CN201064017Y

CN201064017Y - Electric power-assisted steering controller frame structure

Info

Publication number: CN201064017Y
Application number: CNU2007201073325U
Authority: CN
Inventors: 林士云
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-20
Filing date: 2007-03-20
Publication date: 2008-05-21
Anticipated expiration: 2017-03-20

Abstract

The utility model relates to an electric power steering controller framework which is used to be arranged between a vehicle torque transducer and a driving motor, comprising a shell and an electronic controller arranged inside the shell and radiating fins on the bottom. The utility model is characterized in that: the shell consists of an upper box cover and a lower box cover, wherein one side of the lower box cover is provided with two metal embedded parts which are respectively provided with welding pins. The bottom of the lower cover is half-close and half-open; the electronic controller consists of three independent modules, i.e., a micro control module, a power supply module and a motor drive module which are in laminated connection. The utility model has the advantages that with the three modules in laminated connection, the structure is more compact, and the volume of products is reduced and the interference is greatly reduced at the same time.

Description

Electric power-assisted steering controller frame structure

Technical field:

The utility model relates to a kind of frame structure of control device, especially relates to a kind of frame structure of automobile electric power-assisted steering controller.

Technical background:

Fast development along with the Hyundai Motor technology, people also improve day by day to the requirement of motor turning maneuvering performance, require vehicle steering wheel rotation under any circumstance, all has desirable stability, so people have installed servo steering system on vehicle, servo steering system has improved effectively and has turned to ground sensitivity, increases pilot control ground convenience, can not feel that when running at high speed vehicle is fluid yet, thereby improve the fail safe of running car ground.

At present the traditional servo steering system that uses is generally hydraulic power-assist steering system, because hydraulic pressure needs oil pump, oil pipe, pressure flow control valve, holding vessel etc., exists number of parts many, and occupies shortcomings such as the space is big.

Summary of the invention:

The utility model has mainly solved the technical problem that the existing in prior technology hydraulic power-assist steering system occupies the big grade in space, provides a kind of volume little, the structure of electric boosting steering system rational in infrastructure.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of electric power-assisted steering controller frame structure, be arranged between vehicle torque transducer and the drive motors, comprise housing, the electronic controller that enclosure interior is installed, and the fin of bottom, it is characterized in that: described housing is made up of upper box cover and lower casing, described lower casing one side is provided with two metal inserts, be respectively equipped with welding foot on the metal insert, lower casing bottom surface one is semiclosed, one half opening, described electronic controller is made up of three relatively independent modules, comprise the microcontroller module, power module and motor drive module, adopting mutually between three modules, stacked mode is connected.

A kind of preferred version as such scheme, described three modules become stacked arrangement from top to bottom in housing, wherein power module and motor drive module are installed on the bottom side by side, and the microcontroller module is installed on two module tops, and described power module is connected with micro controller module by connector separately with motor drive module.

A kind of preferred version as such scheme, described two metal inserts metal insert on one side are one group of welding foot up, another side metal insert is one group of welding foot and one group of welding foot down up, described micro controller module welds mutually with welding foot, welding foot respectively, and described motor drive module welds mutually with welding foot.

As a kind of preferred version of such scheme, on described micro controller module two ends, be respectively equipped with several breach, on the lower casing front and back end, be respectively equipped with and corresponding several lugs of breach, during installation on micro controller module holding and the lower casing.

As a kind of preferred version of such scheme, described fin is installed on the opening part of lower casing bottom surface, and is close to mutually with the motor drive module that is installed on the bottom.

As a kind of preferred version of such scheme, upper edge, the bottom surface bottom edge of sealing at lower casing is provided with a circle convex tendon.

The utility model has the advantages that three modules adopt stacked mode to connect, make structure more fastening, also dwindled the volume of product simultaneously, and reduced mutual interference greatly.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a kind of perspective view of the utility model lower casing;

Fig. 2 is a kind of planar structure schematic diagram of the utility model lower casing;

Fig. 3 is a kind of perspective view of the utility model upper box cover;

Fig. 4 is a kind of perspective view of the utility model three module;

Fig. 5 is the utility model heat radiation a kind of planar structure schematic diagram originally.

Embodiment:

According to Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the utility model integral body is mainly formed by three layers, comprises housing, is installed on the electronic controller in the housing, and is installed on the fin 3 on the housing bottom surface.

Described housing is made up of upper box cover 2 and lower casing 1, on lower casing 1 both sides, be respectively equipped with an installing hole 7a, and also be provided with installing hole 7b in upper box cover 2 relevant positions, two lids fasten mutually and form a housing by connector, lower casing 1 as shown in Figure 1, on lower casing one side, be provided with two metal inserts, on circuit board, be respectively equipped with welding hole and pass the metal insert, the metal insert is provided with one group of welding foot up on one side, the metal insert of another side is provided with one group of welding foot and one group of welding foot down up, describedly is connected with two groups of welding angles up respectively for controller module; Described lower casing 1 bottom one is semiclosed, one half opening, on the bottom surface, closed side, edge along the sealing bottom surface is provided with a circle convex tendon 9, this convex tendon has played the effect that the bottom surface, closed side is strengthened, power module 5 is installed on the bottom surface, closed side simultaneously, also played effect to the power module support, on opening part one side, be provided with an installing hole 10 in the sealing bottom surface, as shown in Figure 2, the place is provided with an installing hole 11 at opening part opposite side lower casing one end angle, be provided with an installing hole 12 in the lid outside, place, other end angle, described motor drive module is fixed in the lower casing 1, as shown in Figure 5 by installing hole 10 and installing hole 11, described fin size is similar with lower casing 1 bottom opening size, and by installing hole 10, installing hole 11 and installing hole 12 are installed and the lower casing bottom opening outside, and lid fin 3 closely pastes the described heat-radiating aluminum plate that also is equipped with mutually with the drive motors module on fin, these both sides are provided with installing hole, and to get installing hole 7a corresponding with the lower casing both sides.

As shown in Figure 4, described electronic controller is made up of three parts, comprise micro controller module 4, power module 5 and motor drive module 6, three mutual independences of module have also adopted stacked mode to connect, described power module 5 and motor drive module 6 are installed on respectively on lower casing 1 bottom side by side, wherein motor drive module 6 is installed on the lower casing bottom opening, it is connected with welding angle 13, the effect that is electrically connected had both been played at this welding angle, simultaneously also motor drive module is played fixation, described motor drive module and described fin are close to, and the heat that motor drive module produces in time can be distributed like this.Micro controller module 4 is installed and two module tops, described is that controller module 4 sizes are similar with the lower casing size, be held on the lower casing, and on microcontroller module both sides, be provided with several breach, the corresponding position is provided with several lugs on lower casing, lug and breach fasten mutually during installation, played positioning action,

welding foot

8a, 8b in described micro controller module 4 and the lower casing 1 weld mutually, and power module 5 links to each other with micro controller module 4 respectively by connector respectively with motor drive module 6.

Described power module 5, motor drive module 6 and microcontroller touch that piece 4 is disconnected from each other to have significantly reduced mutual interference; Power module provides stable power to micro controller module, and under the control of microcontroller, provide big electric current by relay to motor, microcontroller partly detects the speed of a motor vehicle, rotating speed, input torque sensor signal, produce control signal by neural network algorithm and fuzzy control principle, the control motor drive module produces the corresponding driving circuit, drive motors produces corresponding power steering.Three modules adopt overlapped way simultaneously, make structure compact more, have dwindled the volume of product.

Claims

1. electric power-assisted steering controller frame structure, be arranged between vehicle torque transducer and the drive motors, comprise housing, the electronic controller that enclosure interior is installed, and the fin of bottom, it is characterized in that: described housing is made up of upper box cover (2) and lower casing (1), described lower casing (1) one side is provided with two metal insert (14a, 14b), be respectively equipped with welding foot (8a on the metal insert, 8b, 13), lower casing bottom surface one is semiclosed, one half opening, described electronic controller is made up of three relatively independent modules, comprise microcontroller module (4), power module (5) and motor drive module (6), adopting mutually between three modules, stacked mode is connected.

2. electric power-assisted steering controller frame structure according to claim 1, it is characterized in that described three modules become stacked arrangement from top to bottom in housing, wherein power module (5) and motor drive module (6) are installed on the bottom side by side, and microcontroller module (4) is installed on two module tops, and described power module (5) is connected with micro controller module (4) by connector separately with motor drive module (6).

3. electric power-assisted steering controller frame structure according to claim 1 and 2, it is characterized in that described two metal inserts one side metal inserts (14b) are provided with one group of welding foot (8b) up, another side metal insert (14a) is provided with one group of welding foot (8a) and one group of welding foot (13) down up, described micro controller module (4) welds mutually with welding foot (8a), welding foot (8b) respectively, and described motor drive module (6) welds mutually with welding foot (13).

4. electric power-assisted steering controller frame structure according to claim 1 and 2, it is characterized in that on described micro controller module (4) two ends, being respectively equipped with several breach (14), on lower casing (1) front and back end, be respectively equipped with and corresponding several lugs of breach (15), during installation on micro controller module holding and the lower casing.

5. according to claim 1 or 2 or 3 described electric power-assisted steering controller frame structures, it is characterized in that described fin (3) is installed on the opening part of lower casing (1) bottom surface, and be close to mutually with the motor drive module (6) that is installed on the bottom.

6. according to claim 1 or 2 or 3 described electric power-assisted steering controller frame structures, it is characterized in that being provided with a circle convex tendon (9) in upper edge, the bottom surface bottom edge of lower casing (1) sealing.