CN219536487U

CN219536487U - High-power controller convenient to equipment

Info

Publication number: CN219536487U
Application number: CN202320025321.1U
Authority: CN
Inventors: 王长城; 刘斌
Original assignee: Shenzhen Linghao Electromechanical Co ltd
Current assignee: Shenzhen Linghao Electromechanical Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-08-15
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a high-power controller convenient to assemble, which comprises an aluminum bottom plate and a plastic shell; an SMT aluminum substrate is fixed on the aluminum bottom plate, and a circuit board is arranged at the upper end of the SMT aluminum substrate; an FPC flat cable seat is arranged on the SMT aluminum substrate; the circuit board is provided with an FPC flat cable connected with the FPC flat cable seat; the plastic shell is fixed at the upper end of the aluminum bottom plate; the plastic shell is covered and arranged at the upper ends of the SMT aluminum substrate and the circuit board; a first sealing ring is arranged between the aluminum bottom plate and the plastic shell; more than one MOS tube and tin-plated copper columns are welded on the SMT aluminum substrate; the utility model has simple integral structure, convenient processing and assembly, stable and reliable assembly, effectively reduces the labor production cost and the reject ratio, has poor heat conduction and insulation effects, poor waterproof tightness, circuit board interference leakage and other problems, and ensures the stability, heat dissipation and waterproofness of the controller. And finally, the output power of the controller can be more stable and reliable.

Description

High-power controller convenient to equipment

Technical Field

The utility model relates to the technical field of controllers, in particular to a high-power controller convenient to assemble.

Background

The high-power controller in the current market mainly comprises a bottom plate, a shell, a circuit board and a wire harness. In order to meet the requirement of multiple functions of output, a power supply, a power device and a functional module on a circuit board of the controller are designed on the same circuit board, and each functional component is unreasonable in layout, so that interference and electric leakage are easy to cause. Therefore, the heat dissipation and the stability of the controller are affected; meanwhile, the connection mode of the two circuit boards mostly adopts a pin and plug spring opposite-plug mode, after the pin is plugged and unplugged for many times, the pin is easy to deform, and the plug spring is loose, so that poor contact is caused;

the existing MOS tube is generally fixed on a circuit board directly by a screw or is provided with a jacking power device by a spring piece, a spring strip and the like, so that the power device is tightly pressed with a shell to help heat conduction, however, the assembly generally needs tool jacking and screw locking, so that the production and manual installation cost is increased intangibly, the internal space of a controller is occupied greatly, and in the use process, if the conditions of collision or vibration and the like occur, the situation that the cooperation of a compacting piece is unstable, the jacking fails, the screw loosens, the hidden trouble of loosening is caused, the contact area between the power tube and the circuit board is small, the heat dissipation effect is poor, and the device is overheated, damaged, leaked and the like;

in addition, the existing controller generally adopts common electric wires as power lines, motor phase lines and other functional output lines, and is directly welded on a controller circuit board, the overcurrent capacity of the electric wires is limited, the electric wires are easy to generate heat, and the electric wires need to be manually inserted on the circuit board one by one for welding, so that the labor cost is high, the working efficiency is low, the yield is low, and the failure rate is high. The finished product is not beautiful and has waterproof performance.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a high-power controller which is convenient to assemble; the problems of unreasonable controller layout, poor contact, poor heat dissipation effect, high labor cost of manual welding power lines, low working efficiency, low yield, high failure rate, small and unstable power output and poor waterproof sealing performance in the background art are solved.

The high-power controller convenient to assemble is realized by the following technical scheme: comprises an aluminum bottom plate and a plastic shell; an SMT aluminum substrate is fixed on the aluminum bottom plate, and a circuit board is arranged at the upper end of the SMT aluminum substrate; an FPC flat cable seat is arranged on the SMT aluminum substrate; the circuit board is provided with an FPC flat cable connected with the FPC flat cable seat;

the plastic shell is fixed at the upper end of the aluminum bottom plate; the plastic shell is covered and arranged at the upper ends of the SMT aluminum substrate and the circuit board; a first sealing ring is arranged between the aluminum bottom plate and the plastic shell; more than one MOS tube and tin-plated copper columns are mounted and welded on the SMT aluminum substrate.

As the preferable technical scheme, the lower surface of the aluminum bottom plate is provided with more than one radiating tooth sheet; and heat conduction silicone grease is coated between the aluminum bottom plate and the SMT aluminum substrate.

As the preferable technical scheme, more than one insulating column is arranged between the circuit board and the SMT aluminum substrate, and screws for connecting the insulating columns are arranged on the circuit board;

the circuit board is provided with more than one first avoidance hole, and the tinned copper column is arranged in the first avoidance hole; the circuit board is also provided with a 30PIN functional needle seat; the surface of the plastic shell is provided with a needle seat through groove and a second avoidance hole.

As the preferable technical scheme, the other end of the tin-plated copper column is arranged in a second avoidance hole, and a second sealing ring is arranged between the second avoidance hole and the tin-plated copper column;

the 30PIN functional needle seat is arranged in a needle seat through groove, and a needle pad is arranged in the needle seat through groove; the needle pad is arranged at the upper end of the 30PIN functional needle seat, and the 30PIN functional needle seat pierces the needle pad; the plastic shell is provided with a cover plate, and the cover plate is arranged at the upper end of the tin-plated copper column.

As a preferable technical scheme, a power supply part and a sampling part are arranged on the circuit board; more than one electrolytic capacitor is arranged on the power supply part; the sampling part adopts a high-power manganese copper sampling resistor.

The beneficial effects of the utility model are as follows:

1. fixing an SMT aluminum substrate on an aluminum bottom plate; the aluminum bottom plate and the SMT aluminum substrate are in an up-down structural design, a circuit board is arranged at the upper end of the SMT aluminum substrate, an FPC wire arranging seat is arranged on the SMT aluminum substrate, and an FPC wire arranging seat connected with the FPC wire arranging seat is arranged on the circuit board; the SMT aluminum substrate and the circuit board are separated, and unreasonable layout and clustering of various functional components are prevented; meanwhile, the circuit board is connected with the aluminum substrate by adopting the FPC wire and the FPC wire seat, the FPC wire is strong in flexibility and not easy to deform and relax, and the phenomenon of poor contact in connection of the circuit board and the SMT aluminum substrate is avoided;

2. through setting up more than one radiating tooth piece on the lower surface of the aluminum bottom plate, the heat conduction silicone grease is coated between the aluminum bottom plate and the SMT aluminum substrate, so that heat generated by the aluminum substrate is effectively radiated; meanwhile, more than one MOS tube and tin-plated copper columns are welded on the SMT aluminum substrate in a sticking mode, so that the contact area of the MOS tube is enhanced, electric leakage between the MOS tube and the shell is avoided, the controller is enabled to radiate better, the internal space of the controller is reduced, and labor installation complexity and cost are greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a high power controller of the present utility model for ease of assembly;

FIG. 2 is a schematic diagram of a high power controller of the present utility model for ease of assembly;

FIG. 3 is a schematic illustration I of the present utility model after concealing a plastic cover for a high power controller for ease of assembly;

FIG. 4 is a schematic illustration of a plastic upper cover and circuit board concealed by a high power controller of the present utility model for ease of assembly;

fig. 5 is a second schematic view of the present utility model after the plastic upper cover is hidden in the high power controller for easy assembly.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

In the description of the present utility model, it should be understood that the terms "one end," "the other end," "the outer side," "the upper," "the inner side," "the horizontal," "coaxial," "the center," "the end," "the length," "the outer end," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Terms such as "upper," "lower," and the like used herein to refer to a spatially relative position are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "coupled," "connected," "plugged," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 5, a high-power controller of the present utility model, which is easy to assemble, comprises an aluminum base plate 1 and a plastic housing 2; an SMT aluminum substrate 3 is fixed on the aluminum base plate 1, and a circuit board 4 is arranged at the upper end of the SMT aluminum substrate 3; an FPC flat cable seat 5 is arranged on the SMT aluminum substrate 3; the circuit board 4 is provided with an FPC flat cable 6 connected with an FPC flat cable seat 5;

the plastic shell 2 is fixed at the upper end of the aluminum bottom plate 1; the plastic shell 2 is covered and arranged at the upper ends of the SMT aluminum substrate 3 and the circuit board 4; a first sealing ring 7 is arranged between the aluminum bottom plate 2 and the plastic shell 2; more than one MOS tube 8 and tin-plated copper columns 9 are mounted and welded on the SMT aluminum substrate 3.

In the embodiment, the lower surface of the aluminum bottom plate 1 is provided with more than one radiating tooth piece 11; a heat-conducting silicone grease (not shown) is coated between the aluminum base plate 1 and the SMT aluminum base plate 3.

In this embodiment, more than one insulating column 12 is installed between the circuit board 4 and the SMT aluminum substrate 3, and screws 13 for connecting the insulating columns 12 are installed on the circuit board 4;

the circuit board 4 is provided with more than one first avoidance hole 14, and the tin-plated copper column 9 is arranged in the first avoidance hole 14; the circuit board 14 is also provided with a 30PIN functional needle seat 15; the surface of the plastic shell 2 is provided with a needle seat through groove 16 and a second avoidance hole 17.

In this embodiment, the other end of the tin-plated copper pillar 9 is disposed in a second avoidance hole 17, and a second sealing ring 18 is installed between the second avoidance hole 17 and the tin-plated copper pillar 9;

the 30PIN function needle seat 15 is arranged in the needle seat through groove 16, and a needle pad 19 is arranged in the needle seat through groove 16; the needle pad 19 is arranged at the upper end of the 30PIN functional needle seat 15, and the 30PIN functional needle seat 15 pierces the needle pad 19; the plastic shell 2 is provided with a cover plate 20, and the cover plate 20 is arranged at the upper end of the tinned copper column 9, so that the tinned copper column is waterproof and the phenomenon of touching short circuit occurs when the tinned copper column is connected.

In the present embodiment, the circuit board 4 is provided with a power supply portion and a sampling portion; more than one electrolytic capacitor 21 is arranged on the power supply part; the sampling part adopts a high-power manganese-copper sampling resistor 22, and the manganese-copper resistor has higher resistivity and very small temperature coefficient, and the resistance value of the manganese-copper sampling resistor cannot be changed along with temperature change, so that the output stability of current is ensured.

In this embodiment, the silicon rubber material that first sealing washer and second sealing washer adopted, silicon rubber has better resilience, and heat resistance, cold resistance are good, can not take place to warp along with the temperature height to just have buffer capacity.

The beneficial effects of the utility model are as follows:

1. the power supply and the motor phase line are replaced by the tin-plated copper column, and the tin-plated copper column has higher overcurrent capacity and better heat conductivity;

2. the 30PIN functional needle seat replaces other functional output lines, the 30PIN functional needle seat has better overcurrent capacity, and the 30PIN functional needle seat is welded on the circuit board by reflow soldering, so that the problems of manual wire rod insertion on the circuit board one by one, low labor cost, low working efficiency, low yield and the like are avoided;

3. through install first sealing washer and between second keep away position hole and tinned copper post between aluminium bottom plate and the plastic housing and install the second sealing washer and set up the needle pad in 30PIN function needle file upper end, and 30PIN function needle file puncture needle pad, effectual waterproof dustproof effect of realization.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. A high power controller convenient to equipment, its characterized in that: comprises an aluminum bottom plate (1) and a plastic shell (2); an SMT aluminum substrate (3) is fixed on the aluminum bottom plate (1), and a circuit board (4) is arranged at the upper end of the SMT aluminum substrate (3); an FPC flat cable seat (5) is arranged on the SMT aluminum substrate (3); an FPC flat cable (6) connected with the FPC flat cable seat (5) is arranged on the circuit board (4);

the plastic shell (2) is fixed at the upper end of the aluminum bottom plate (1); the plastic shell (2) is covered and arranged at the upper ends of the SMT aluminum substrate (3) and the circuit board (4); a first sealing ring (7) is arranged between the aluminum bottom plate (1) and the plastic shell (2); more than one MOS tube (8) and tin-plated copper columns (9) are mounted and welded on the SMT aluminum substrate (3).

2. The easy-to-assemble high power controller of claim 1, wherein: the lower surface of the aluminum bottom plate (1) is provided with more than one radiating tooth sheet (11); and heat conduction silicone grease is coated between the aluminum bottom plate (1) and the SMT aluminum substrate (3).

3. The easy-to-assemble high power controller of claim 1, wherein: more than one insulating column (12) is arranged between the circuit board (4) and the SMT aluminum substrate (3), and screws (13) for connecting the insulating columns (12) are arranged on the circuit board (4);

the circuit board (4) is provided with more than one first avoidance hole (14), and the tin-plated copper column (9) is arranged in the first avoidance hole (14); a 30PIN functional needle seat (15) is also arranged on the circuit board (4); the surface of the plastic shell (2) is provided with a needle seat through groove (16) and a second avoidance hole (17).

4. A high power controller for facilitating assembly as defined in claim 3, wherein: the other end of the tin-plated copper column (9) is arranged in a second avoidance hole (17), and a second sealing ring (18) is arranged between the second avoidance hole (17) and the tin-plated copper column (9);

the 30PIN functional needle seat (15) is arranged in the needle seat through groove (16), and a needle pad (19) is arranged in the needle seat through groove (16); the needle pad (19) is arranged at the upper end of the 30PIN functional needle seat (15), and the 30PIN functional needle seat (15) pierces the needle pad (19); a cover plate (20) is arranged on the plastic shell (2), and the cover plate (20) is arranged at the upper end of the tin-plated copper column (9).

5. The easy-to-assemble high power controller of claim 1, wherein: a power supply part and a sampling part are arranged on the circuit board (4); more than one electrolytic capacitor (21) is arranged on the power supply part; the sampling part adopts a high-power manganese copper sampling resistor (22).