CN215361295U

CN215361295U - Electric control ECU structure of automobile ABS

Info

Publication number: CN215361295U
Application number: CN202121388770.XU
Authority: CN
Inventors: 杨建刚
Original assignee: Xuzhou Longchi Electronic Technology Co ltd
Current assignee: Xuzhou Longchi Electronic Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-31
Anticipated expiration: 2031-06-22

Abstract

The utility model provides an electric control ECU structure of an automobile ABS, which comprises an ECU shell, wherein one side of the ECU shell is provided with a cavity and a wiring plug, and the other side of the ECU shell is provided with a circuit board groove for mounting a PCB and an upper cover matched with the circuit board groove; a coil mounting groove and a terminal fixing groove are arranged in the cavity; an electromagnetic coil is arranged in the coil mounting groove, a spherical shock pad is arranged between the electromagnetic coil and the ECU shell, a plurality of hooks are arranged on the electromagnetic coil, and the hooks penetrate through the ECU shell and are fixedly clamped with the ECU shell, so that the connection reliability of the electromagnetic coil is ensured; motor connecting terminals are inserted in the terminal fixing grooves in a splicing mode, one end, far away from the PCB, of the terminal fixing grooves is provided with a through hole used for being connected with a motor, and the reliability of motor connection is guaranteed.

Description

Electric control ECU structure of automobile ABS

Technical Field

The utility model relates to the field of ABS, in particular to an electric control ECU structure of an automobile ABS.

Background

An ABS (Anti-lock Braking System) Anti-lock Braking System sends a signal that a wheel is locked through a sensor arranged on the wheel, an Electronic Control Unit (ECU) performs operation, processing and judgment on information input by the sensor, then outputs an instruction, provides specific various control information for an electromagnetic valve, changes the high-frequency opening and closing of the valve, and drives a motor and a hydraulic plunger pump to change the hydraulic pressure of a brake cylinder, thereby realizing the simulation of 'point Braking', preventing the wheel from being locked, and improving the safety factor of emergency Braking of a vehicle during driving. The internal connection structure of the existing electronic control ECU is not stable enough, and when the electronic control ECU is impacted by external force, the contact pin and the circuit board are easy to loose, so that the reliability of ABS operation is affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problem, the utility model provides an electric control ECU structure of an automobile ABS.

An electric control ECU structure of an automobile ABS comprises an ECU shell, wherein one side of the ECU shell is provided with a cavity used for being connected with an ABS valve body and a wiring plug used for inputting power signals, communication signals and sensor signals, and the other side of the ECU shell is provided with a circuit board groove used for mounting a PCB and an upper cover matched with the circuit board groove;

a coil mounting groove and a terminal fixing groove are formed in the cavity; an electromagnetic coil is installed in the coil installation groove, and a contact pin of the electromagnetic coil penetrates through the ECU shell and is welded and fixed with the PCB in the circuit board groove; a spherical shock pad is arranged between the electromagnetic coil and the ECU shell, a plurality of hooks are arranged on the electromagnetic coil, and the hooks penetrate through the ECU shell and are fixedly clamped with the ECU shell; motor connecting terminal is installed in the interpolation of terminal fixed slot, motor connecting terminal's contact pin passes the ECU casing with PCB circuit board welded fastening, the terminal fixed slot is kept away from the one end of PCB circuit board is equipped with the through-hole that is used for being connected with the motor.

Furthermore, the outer fringe of circuit board groove be equipped with upper cover assorted draw-in groove, the draw-in groove intussuseption is filled with and is used for with the upper cover with the glued silica gel of ECU casing.

Furthermore, the upper cover is provided with air holes, and the inner sides of the air holes are provided with heat dissipation breathing membranes.

Furthermore, the outer edge of the cavity is provided with a sealing groove, and a special-shaped sealing ring is assembled in the sealing groove.

The utility model has the beneficial effects that: the electromagnetic coil and the ECU shell are clamped and fixed by utilizing the coil mounting groove and the hook, and the spherical damping pad is mounted between the electromagnetic coil and the ECU shell, so that the connection looseness between a contact pin of the electromagnetic coil and the PCB can be effectively prevented, and the connection reliability of the electromagnetic coil is ensured; utilize the terminal fixed slot to peg graft fixedly motor connecting terminal, can prevent effectively that motor connecting terminal is not hard up because of receiving external force to strike, guaranteed the reliability that the motor is connected.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

the figures in the drawings represent:

1. ECU casing 2, PCB circuit board 3, circuit board groove 4, upper cover 5, draw-in groove

6. Air vent 7, heat dissipation breathing membrane 8, cavity 9, wiring plug 10 and sealing groove

11. Special-shaped sealing ring 12, coil mounting groove 13, electromagnetic coil 14 and spherical shock pad

15. A hook 16, a terminal fixing groove 17 and a motor connecting terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "bottom", "top", "inside", "outside", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.

An electronic control ECU structure of an automobile ABS (anti-lock brake system) comprises an ECU shell 1, wherein a circuit board groove 3 for mounting a PCB (printed circuit board) 2 and an upper cover 4 matched with the circuit board groove 3 are arranged at the top of the ECU shell 1, as shown in figures 1 and 2. The outer edge of the circuit board groove 3 is provided with a clamping groove 5 matched with the upper cover 4, and silica gel used for bonding the upper cover 4 and the ECU shell 1 is filled in the clamping groove 5. The upper cover 4 is provided with an air vent 6, and the inner side of the air vent 6 is provided with a heat dissipation breathing membrane 7.

The bottom of the ECU shell 1 is provided with a cavity 8 used for being connected with the ABS valve body and a wiring plug 9 used for inputting power signals, communication signals and sensor signals. And a connecting pin in the connecting plug 9 passes through the ECU shell 1 and is fixedly welded with the PCB 2. The outer edge of cavity 8 (being connected the face with the ABS valve body promptly) is equipped with seal groove 10, is equipped with special-shaped sealing washer 11 in the seal groove 10, is convenient for can disassemble ECU casing 1 and ABS valve body fixed to guarantee its sealing performance.

Be equipped with a plurality of coil mounting grooves 12 in the cavity 8, all install solenoid 13 in every coil mounting groove 12, the contact pin at solenoid 13 top passes ECU casing 1 and PCB circuit board 2 welded fastening. Be equipped with spherical shock pad 14 between solenoid 13 and the ECU casing 1, solenoid 13's top symmetry is provided with two couples 15, and couple 15 passes ECU casing 1 and is fixed with ECU casing 1 joint (be equipped with corresponding through-hole on ECU casing 1), has effectively improved solenoid 13's shock resistance, can prevent that the contact pin of solenoid 13 from taking off with being connected between PCB circuit board 2 pine, has guaranteed the reliability that solenoid 13 connects.

And a terminal fixing groove 16 is further formed in the cavity 8, a motor connecting terminal 17 is inserted and installed in the terminal fixing groove 16, and a contact pin of the motor connecting terminal 17 penetrates through the ECU shell 1 and is fixedly welded with the PCB 2. The bottom of terminal fixed slot 16 is equipped with the through-hole that is used for being connected with the motor, and when ECU casing 1 was connected with the ABS valve body, the contact pin of the motor on the ABS valve body can directly pass the through-hole and peg graft with motor connection terminal 17, has guaranteed the reliability that the motor is connected.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.

Claims

1. An automatically controlled ECU structure of car ABS which characterized in that: the ABS circuit board comprises an ECU shell, wherein one side of the ECU shell is provided with a cavity used for being connected with an ABS valve body and a wiring plug used for inputting a power signal, a communication signal and a sensor signal, and the other side of the ECU shell is provided with a circuit board groove used for mounting a PCB circuit board and an upper cover matched with the circuit board groove;

2. An electronic control ECU structure of an ABS of an automobile according to claim 1, characterized in that: the outer fringe of circuit board groove be equipped with upper cover assorted draw-in groove, the draw-in groove intussuseption is filled with and is used for with the upper cover with the glued silica gel of ECU casing.

3. An electronic control ECU structure of an ABS of an automobile according to claim 2, characterized in that: the upper cover is provided with an air hole, and the inner side of the air hole is provided with a heat dissipation breathing membrane.

4. An electronic control ECU structure of an ABS of an automobile according to claim 1, characterized in that: the outer fringe of cavity is equipped with the seal groove, be equipped with special-shaped sealing washer in the seal groove.