CN218717145U

CN218717145U - Non-intelligent throttle valve EGR control system

Info

Publication number: CN218717145U
Application number: CN202223451770.7U
Authority: CN
Inventors: 王中林
Original assignee: Wuxi Longsheng Technology Co Ltd
Current assignee: Wuxi Longsheng Technology Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-03-24
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a non-intelligent throttle valve EGR control system, which comprises a shell, wherein a valve interface used for connecting an electronic throttle valve and an electric EGR valve is arranged on the shell, a control panel which is connected with the valve interface and used for sending control instructions to the electronic throttle valve and the electric EGR valve and receiving return information is arranged in the shell, and a serial port screen used for inputting the control instructions and displaying test information is arranged on a front panel of the shell; the front panel of the shell is also provided with control buttons, and the control buttons comprise a mode selection button for selecting a corresponding control mode, a knob for modifying control requirements and an automatic sending button for sending the control requirements; the serial port screen and the control button are connected with the control panel. The utility model discloses not only can be under the condition that does not connect the computer, control electronic air throttle and electronic EGR valve as required, multiple functional moreover, can satisfy the demand of actual production inspection, test, experiment.

Description

Non-intelligent throttle valve EGR control system

Technical Field

The utility model relates to a throttle valve and EGR control technical field, concretely relates to non-intelligent throttle valve EGR control system.

Background

At present, the national emission requirements of various engines are more and more strict, the electronic throttle valve and the electric EGR valve are also very popular in the field of automobiles, and various requirements on the production, detection, experiment and after-sale of the electronic throttle valve and the electric EGR valve are also met.

At present, the functions of the electronic throttle valve and the electric EGR valve are too simple under the condition of not connecting a computer, and the electronic throttle valve and the electric EGR valve are not convenient to use under the condition of connecting the computer. Therefore, it is an urgent need to solve the problem in the prior art to provide a control system for an electronic throttle valve and an electric EGR valve, which can satisfy the requirement of complete functions under an offline condition.

Disclosure of Invention

The utility model discloses the technical problem that needs to solve provides a non-intelligent air throttle EGR control system, not only can satisfy the off-line control of electronic air throttle and electronic EGR valve, multiple functional moreover.

In order to solve the technical problem, the utility model adopts the following technical proposal.

A non-intelligent throttle valve EGR control system comprises a shell, wherein a valve interface used for connecting an electronic throttle valve and an electric EGR valve is arranged on the shell, a control board which is connected with the valve interface and used for sending control instructions to the electronic throttle valve and the electric EGR valve and receiving return information is arranged inside the shell, and a serial port screen used for inputting the control instructions and displaying test information is arranged on a front panel of the shell; the front panel of the shell is also provided with control buttons, and the control buttons comprise a mode selection button for selecting a corresponding control mode, a knob for modifying control requirements and an automatic sending button for sending the control requirements; the serial port screen and the control button are connected with the control panel.

Preferably, a switch power supply for supplying power is arranged in the casing, an input end of the switch power supply is connected with a power supply inlet end arranged on the casing, and an output end of the switch power supply is connected with a power supply input end of the control panel.

Preferably, a power switch connected in series between the switching power supply and the control board is arranged on the front panel of the housing.

Preferably, the mode selection buttons include an open loop control selection button, a closed loop control selection button, and a random endurance selection button.

Preferably, the knobs are arranged in one-to-one correspondence with the mode selection buttons.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses a serial ports screen, valve interface and the control button that sets up the control panel in the casing and set up and be connected with the control panel on the casing not only can be under the condition of not connecing the computer, control electronic throttle valve and electronic EGR valve as required, and is multiple functional moreover, can satisfy the demand of actual production inspection, test, experiment.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is the utility model discloses a main interface layout schematic diagram of serial ports screen.

Wherein: 1. the automatic transmission device comprises a serial port screen, 2. A switching power supply, 3. A control panel, 4. A valve interface, 5. A control button, 51. A mode selection button, 52. A knob, 53. An automatic transmission button and 6. A power supply switch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The non-intelligent throttle valve EGR control system comprises a shell, wherein a valve interface 4, a serial port screen 1 and a control button 5 are arranged on the shell, a control board 3 is arranged in the shell, the valve interface 4, the serial port screen 1 and the control button 5 are all connected with the control board 3, and the control board 3 is used for sending control instructions to an electronic throttle valve and an electric EGR valve and receiving return information.

Valve interface 4 can set up on the front panel of casing or on the side board according to the demand, and valve interface 4 is connected with control panel 3's test end, and valve interface 4 is used for being connected with electronic throttle valve and electronic EGR valve through the pencil, and the both ends of pencil are provided with the pencil plug to be convenient for connect.

Serial ports screen 1 and control button 5 all set up on the front panel of casing, and wherein, the screen of serial ports screen 1 is tangible liquid crystal display for input control command and demonstration test information. As shown in fig. 3, the main interface of the serial port screen 1 includes an open-loop control option, a closed-loop control option, a random endurance option, and an automatic detection option, where the open-loop control option is used to complete open-loop control, that is, to output specified duty ratio control at two ends of the motor; the closed-loop control option is used for completing closed-loop control, namely, the control duty ratio at two ends of the motor is dynamically adjusted through an incremental PID algorithm according to the signal and the target value of the position feedback sensor on the valve, so that the valve plate is maintained at a certain opening; the random endurance option is used for completing random endurance control, namely a target position is randomly given, and the closed-loop control valve reaches the target position; the automatic detection option is used for completing automatic detection control, namely setting parameters, and carrying out voltage, response time and spring return time and continuity detection on the air throttles and the EGR of different models.

Through the four options, a corresponding control mode can be conveniently selected for control, the corresponding mode can be entered after the corresponding mode is selected, and a control instruction can be sent to the electronic throttle valve and the electric EGR valve through the control panel 3 by inputting the corresponding requirement, so that the control is carried out; meanwhile, the control board 3 sends the received return information to the serial port screen 1, and the serial port screen 1 displays the current required opening degree, the current voltage and the current duty ratio of the valve and the current opening degree, the current voltage and the current duty ratio information of the valve in a numerical value mode in real time.

The control button 5 is also used for inputting control instructions, and comprises a mode selection button 51, a knob 52 and an automatic sending button 53, wherein the mode selection button 51 comprises an open-loop control selection button, a closed-loop control selection button and a random endurance selection button, so that a corresponding control mode can be conveniently selected for control; the knobs 52 are arranged in one-to-one correspondence with the mode selection buttons 51, and after the control mode is selected, the corresponding control requirements are modified through the corresponding knobs 52, namely, the open-loop target value, the closed-loop target value or the random endurance time interval is modified; the automatic sending button 53 is used for sending a control demand, and after the control demand is modified through the knob 52, the control demand can be sent to the control panel 3 through the automatic sending button 53, so that the control command is sent to the electronic throttle valve and the electric EGR valve through the control panel 3, and then the control is performed. Meanwhile, the serial port screen 1 displays the current required opening degree, the current voltage and the current duty ratio of the valve and the current opening degree, the current voltage and the current duty ratio information of the valve in a numerical mode in real time, so that workers can conveniently watch information data and analyze the information data.

The shell is provided with a power supply inlet end which is connected with a power adapter, and the power adapter is used for being connected with 220V mains supply. The inside of casing is provided with switching power supply 2, and switching power supply 2's input is connected with the power inlet terminal, and switching power supply 2's output is connected with control panel 3's power input end, and switching power supply 2 passes through the power adapter and the commercial power connection that the power inlet terminal is connected to for control panel 3 power supply, and supply power for whole control system through control panel 3.

The front panel of the shell is provided with a power switch 6, the power switch 6 is connected between the switching power supply 2 and the control panel 3 in series, and the switching power supply 2 is used for turning on and off the control system.

The utility model discloses when using, be connected electronic throttle and electronic EGR valve with pencil and valve interface 4, be connected power adapter and commercial power and the power inlet wire end on the casing, open switch 6.

1. When open-loop control, closed-loop control or random endurance control is required, a control mode is selected through the serial port screen 1 according to the requirement: open-loop control, closed-loop control or random endurance control, and entering a corresponding mode after the corresponding mode is selected; then, the electronic throttle valve and the electric EGR valve can be controlled by inputting corresponding requirements, and corresponding information data can be displayed in real time through the serial port screen 1.

Or the corresponding control mode can be selected by the control button 5 for control, and the control mode is selected by the mode selection button 51; the open loop target value, closed loop target value or random endurance interval is then modified by the corresponding knob 52; finally, the automatic send button 53 is clicked to output a control demand.

And after the control is finished, the power switch 6 is closed, and the connection wiring harness of the valve interface 4 and the electronic throttle valve and the electric EGR valve is disconnected. If other valves need to be controlled continuously, the other valves can be connected to repeat the operations, and after the operations are completed, the power switch 6 is closed, and the power line is pulled out.

2. When automatic detection is needed, firstly clicking an automatic detection selection item on the serial port screen 1; then, configuring detection parameters according to needs, and starting detection, wherein the detection result can be displayed in real time; and after the detection is finished, closing the power switch 6, and disconnecting the connection wiring harness of the control box, the electronic throttle valve and the electric EGR valve. If other valves need to be detected continuously, the valves can be connected to repeat the operation, and after the operation is completed, the power switch 6 is closed, and the power line is pulled out.

Claims

1. The utility model provides a non-intelligent throttle valve EGR control system, includes the casing, is provided with valve interface (4) that are used for connecting electronic throttle valve and electronic EGR valve on the casing, and the inside of casing is provided with and is connected with valve interface (4), is used for giving control command and receiving return information control panel (3) to electronic throttle valve and electronic EGR valve, its characterized in that: a serial port screen (1) for inputting control instructions and displaying test information is arranged on the front panel of the shell; the front panel of the shell is also provided with a control button (5), and the control button (5) comprises a mode selection button (51) for selecting a corresponding control mode, a knob (52) for modifying a control requirement and an automatic sending button (53) for sending the control requirement; the serial port screen (1) and the control button (5) are connected with the control panel (3).

2. The non-intelligent throttle EGR control system of claim 1, wherein: the power supply control device is characterized in that a switching power supply (2) used for providing power is arranged in the shell, the input end of the switching power supply (2) is connected with a power supply inlet wire end arranged on the shell, and the output end of the switching power supply (2) is connected with the power supply input end of the control panel (3).

3. The non-intelligent throttle EGR control system of claim 1, wherein: and a power switch (6) connected in series between the switching power supply (2) and the control panel (3) is arranged on the front panel of the shell.

4. The non-intelligent throttle EGR control system of claim 1, wherein: the mode selection buttons (51) include an open-loop control selection button, a closed-loop control selection button, and a random endurance selection button.

5. The non-intelligent throttle EGR control system of claim 4, wherein: the knobs (52) are arranged in one-to-one correspondence with the mode selection buttons (51).