CN219910968U

CN219910968U - Electric control actuator

Info

Publication number: CN219910968U
Application number: CN202321437175.XU
Authority: CN
Inventors: 周尚富; 蒋银
Original assignee: JIANGYIN LINGE TECHNOLOGY CO LTD
Current assignee: JIANGYIN LINGE TECHNOLOGY CO LTD
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-10-27
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses an electric control actuator, which comprises a shell (1), an upper cover (3), and an electromagnetic driving execution assembly (4) and an electromagnetic driving rotor assembly (5) which are arranged in the shell (1), wherein an intermediate body (2) is arranged between the shell (1) and the upper cover (3), a circuit board (7) is arranged between the intermediate body (2) and the upper cover (3), an ECU (electronic control unit) (7.1) and an actuator control unit (7.2) are arranged on the circuit board (7), and an outlet piece of the electromagnetic driving execution assembly (4) penetrates through the intermediate body (2) and then is connected to the circuit board (7). According to the electric control actuator, the ECU control unit is integrated on the actuator circuit board, so that the electric control actuator with an integrated structure is formed, a wire harness is omitted, and the use of a host factory is more convenient.

Description

Electric control actuator

Technical Field

The utility model relates to an electric control actuator, in particular to an integrated electric control actuator, and belongs to the technical field of accessories for pumps.

Background

Currently, in a fuel control system of an internal combustion engine such as a diesel engine, an actuator is required to control a fuel pump, for example, a chinese patent CN201320103080.4 "distribution pump electric control rotary fuel actuator" and a CN201920231265.0 "fuel actuator" filed by the company, which are required to be connected with an ECU through a wire harness when in use, so that the ECU and the actuator need to be separately installed and connected through the wire harness. Based on the above problems, the present company develops an integrated electric control actuator, integrating the ECU function with the actuator.

Disclosure of Invention

The utility model aims to overcome the defects and provide the electric control actuator, which integrates the ECU control unit on the actuator circuit board, thereby forming the electric control actuator with an integrated structure, omitting a wire harness and facilitating the use of a host factory.

The purpose of the utility model is realized in the following way:

an electric control actuator comprises a shell, an upper cover, an electromagnetic driving execution assembly and an electromagnetic driving rotor assembly, wherein the electromagnetic driving execution assembly and the electromagnetic driving rotor assembly are installed in the shell, an intermediate body is arranged between the shell and the upper cover, a circuit board is installed between the intermediate body and the upper cover, an ECU (electronic control unit) and an actuator control unit are installed on the circuit board, and an extraction piece of the electromagnetic driving execution assembly penetrates through the intermediate body and then is connected to the circuit board.

Preferably, the lead-out member and the intermediate body are sealed and isolated by an insulating sealing member.

Preferably, the lead-out member is a pin.

Preferably, an induction cavity is formed in the lower surface of the intermediate body, a top sensing core of a rotor shaft of the electromagnetic drive rotor assembly is opposite to the induction cavity, and an inductor of an actuator control unit on the circuit board is located right above the induction cavity.

Preferably, the side wall of the upper cover is provided with an ECU plug connector and a connector assembly.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model integrates the ECU and the actuator to form an integrated structure, the ECU is based on the ECU, the control unit of the actuator is also arranged on the PCB, and the ECU control unit and the actuator control unit are organically integrated on the same PCB based on the same characteristics. And because the ECU control unit cannot be immersed in the oil, the middleware is adopted for isolation, so that the PCB circuit board and the electromagnetic driving execution assembly of the executor immersed in the oil are mutually isolated, and the normal and safe operation of the ECU control unit is ensured.

Meanwhile, the electromagnetic driving execution assembly is connected with the control unit of the actuator on the PCB through the contact pin, and the contact pin passes through the middleware in a sealing way, so that the electric connection can be realized, the signal transmission is not influenced, the sealing performance of the middleware is not influenced, the ECU control unit can normally acquire signals and process the signals while ensuring the normal operation of the ECU control unit, and the integration of the two is realized in a true sense.

Drawings

Fig. 1 is a schematic structural view of an electric control actuator according to the present utility model.

Fig. 2 is a side view of the electrically controlled actuator of the present utility model.

Fig. 3 is a top view of the electrically controlled actuator of the present utility model with the upper cover removed.

Wherein:

the electromagnetic drive device comprises a shell 1, an intermediate body 2, an upper cover 3, an electromagnetic drive execution assembly 4, an electromagnetic drive rotor assembly 5, a contact pin 6, a circuit board 7, an ECU plug connector 8 and a joint assembly 9;

an induction chamber 2.1;

rotor shaft 5.1, sensing core 5.2;

ECU control unit 7.1, actuator control unit 7.2.

Description of the embodiments

Referring to fig. 1-3, the electric control actuator provided by the utility model comprises a shell 1, an intermediate body 2 and an upper cover 3, wherein a lower cavity for accommodating an electromagnetic driving executing component 4 and an electromagnetic driving rotor component 5 is formed between the shell 1 and the intermediate body 2, an upper cavity for accommodating a circuit board 7 is formed between the intermediate body 2 and the upper cover 3, an ECU control unit 7.1 and an actuator control unit 7.2 are arranged on the circuit board 7, and communication connection is directly realized between the ECU control unit 7.1 and the actuator control unit 7.2 through copper foil wiring on the circuit board 7 without additional wiring harnesses for connection.

The electromagnetic drive rotor assembly 5 comprises a rotor shaft 5.1 and a sensing core 5.2, wherein an eccentric shaft head is arranged at one end, extending out of the lower chamber, of the rotor shaft 5.1, the sensing core 5.2 is arranged at the top of the rotor shaft 5.1, an induction chamber 2.1 is arranged on the lower surface of the intermediate body 2, and the sensing core 5.2 is opposite to the induction chamber 2.1.

The sensor of the actuator control unit 7.2 on the circuit board 7 in the upper chamber is facing the sensing chamber 2.1.

Meanwhile, the leading-out end of the electromagnetic driving execution assembly 4 is set to be a pin 6, the pin 6 passes through the intermediate body 2 and then is welded on the circuit board 7 to be electrically connected with the actuator control unit 7.2, and an insulating sealing piece is arranged between the pin 6 and the intermediate body 2, so that signals can be smoothly led out in the process that the pin 6 passes through the intermediate body 2, short circuit can not occur between the pin and the intermediate body, and the sealing performance between the upper chamber and the lower chamber is ensured.

Finally, the side wall of the upper cover 3 is provided with an ECU plug connector 8 and a connector assembly 9 for external connection. When the vehicle is used, the ECU control unit 7.1 is connected with other devices on the vehicle through the ECU plug connector 8, and the actuator control unit 7.2 realizes the input and output signal connection of a conventional actuator through the joint assembly 9.

In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.

Claims

1. An electric control actuator comprises a shell (1), an upper cover (3), and an electromagnetic driving executing assembly (4) and an electromagnetic driving rotor assembly (5) which are arranged in the shell (1), and is characterized in that: an intermediate body (2) is arranged between the shell (1) and the upper cover (3), a circuit board (7) is arranged between the intermediate body (2) and the upper cover (3), an ECU (electronic control unit) (7.1) and an actuator control unit (7.2) are arranged on the circuit board (7), and an outgoing piece of the electromagnetic driving execution assembly (4) penetrates through the intermediate body (2) and then is connected to the circuit board (7).

2. An electrically controlled actuator as in claim 1, wherein: the leading-out piece and the intermediate body (2) are sealed and isolated by an insulating sealing piece.

3. An electrically controlled actuator according to claim 1 or claim, wherein: the lead-out piece is a contact pin (6).

4. An electrically controlled actuator according to claim 1 or claim, wherein: the lower surface of midbody (2) is provided with sensing chamber (2.1), and top sensing core (5.2) of rotor shaft (5.1) of electromagnetic drive rotor subassembly (5) are just to sensing chamber (2.1), and the inductor of executor control unit (7.2) on circuit board (7) is located sensing chamber (2.1) directly over.

5. An electrically controlled actuator according to claim 1 or claim, wherein: the side wall of the upper cover (3) is provided with an ECU plug connector (8) and a joint assembly (9).