CN115492512A - Induction type storage box electric control system and control method thereof - Google Patents

Abstract

The invention provides an inductive storage box electric control system and control method. The electric control system includes an inductive sensor, a diffuse reflection photoelectric sensor, a current detector, a controller, and a steering gear; The opening or closing of the storage box, and the judgment of whether there are high objects stored in the storage box and the detection of the resistance during the movement of the rolling door of the storage box realize the reasonable protection of the storage, making the storage box smarter, more convenient, safer.

Description

Inductive storage box electric control system and control method thereof

technical field

The invention relates to the field of vehicle automation, in particular to an electric control system for an inductive storage box and a control method thereof.

Background technique

As a means of transportation and transportation, automobiles have become an indispensable item in people's work and life. With the advancement of technology and people's pursuit of more advanced and convenient technologies and higher-quality products, vehicle parts and supplies are constantly being upgraded.

The traditional car center console storage box does not have a rolling door, or uses a manual push-pull cover door, which is not conducive to the storage of items, has a low degree of automation, and lacks a sense of technology. The existing technical improvement is mainly to improve the appearance of the storage box and the cover door. optimization, with less application of automation improvements.

Contents of the invention

The object of the present invention is to propose an inductive storage box electric control system and a control method thereof in view of the deficiencies in the prior art.

This application is achieved through the following technical solutions:

The first technical solution of this application is to provide an inductive storage box electric control system, wherein the storage box includes an opening for placing items, a rolling door for covering the opening, and a steering gear for driving the rolling door to open and close, The electric control system includes an inductive sensor, a photoelectric sensor, a current detector and a controller, wherein the inductive sensor, the diffuse reflection photoelectric sensor, the current detector and the steering gear are respectively connected to the controller;

The induction sensor is used to detect the hand sweep action and generate a hand sweep control signal to the controller; the photoelectric sensor is installed on the opening edge of the storage box to detect whether the items in the storage box exceed the height of the rolling door; the current detector is used to detect the rudder The working current value of the steering gear; the controller is used to output control signals to the steering gear to control the working of the steering gear. The steering gear has an angle encoder built in, and the angle encoder is used to detect the real-time angle value of the steering gear.

As an implementation of the technical solution, the electronic control controller outputs a PWM signal to the steering gear to control the steering gear to rotate forward or reverse, and the rotation of the steering gear can drive the rolling door of the storage box to open or close accordingly.

The second technical solution of this application is to provide a control method for the electric control system of an inductive storage box, which includes the following steps:

S01, the system is turned on and enters the initialization state, and the control servo is stopped;

S02. Obtain the operating current value and the angle value of the steering gear detected by the current detector, and obtain the state values of the induction sensor and the photoelectric sensor;

S03. Determine the current system state, the system state includes a first state, an initialization state, a second state, a third state, and a fourth state, wherein the initialization state is the first state;

S04. In the first state, if the hand sweep control signal is obtained, the steering gear is controlled to rotate forward to open the rolling door, and the system state is set to the third state;

S05; when in the second state, obtain the hand sweep control signal, control the steering gear to reverse to close the rolling door, and set the system state to the fourth state;

S06. When in the third state, determine whether the rolling shutter door is opened to the maximum state according to the angle value of the steering gear, whether to control the steering gear to stop, and set the system state to the second state;

S07: When in the fourth state, determine whether the rolling door is fully closed or blocked according to the angle value of the steering gear and the operating current value of the steering gear, and if so, control the steering gear to stop, and set the system state to the first state.

It can be understood that the first state means that the rolling door is fully closed, or that the rolling door is paused during opening; the second state is that the rolling door is fully opened, or that the rolling door is paused during closing; the third state is that the rolling door is being opened. ; The fourth state means that the rolling shutter door is in the process of closing.

As an implementation of this technical solution, in the step "S06, when in the third state, determine whether the rolling door is opened to the maximum state according to the steering gear angle value, whether to control the steering gear to stop, and set the system state to the second state" , including the following steps:

S61. When in the third state, if the hand sweep control signal is obtained, the steering gear is controlled to stop, and the system state is set to the first state, otherwise, enter step S62;

S62. Determine whether the angle value of the steering gear is less than or equal to the preset minimum angle value α, if yes, it means that the rolling door has been opened to the maximum state, control the steering gear to stop, and set the system state to the second state.

As an implementation of the technical solution, the step "when in the fourth state, judge whether the rolling door is fully closed according to the angle value of the steering gear and the operating current value of the steering gear, if so, control the steering gear to stop, and set the system state to the first Status.", including the following steps:

S71: When in the fourth state, if the hand sweep control signal is obtained, the steering gear is controlled to stop, and the system state is set to the second state, otherwise, enter step S72;

S72: Determine whether the angle value of the steering gear is greater than or equal to the preset maximum angle value β, if so, it means that the rolling shutter door has been fully closed, control the steering gear to stop, and set the system state to the first state.

Further, the following steps are also included: if no, enter step S73;

S73: Judging whether the operating current value of the steering gear is greater than its overrun threshold I _M , and judging whether the photoelectric sensor is blocked by an object, if one of the two is yes, control the steering gear to stop, and set the system state to the first state.

The technical effect of the technical solution of the present invention is to realize the automation of the opening and closing of the rolling door of the storage box of the automobile center console, the opening or closing of the storage box of the center console can be controlled by hand scanning, and the photoelectric sensor of diffuse reflection and current detection can be integrated The device realizes the judgment of whether a high object is stored in the storage box and the detection of the resistance during the movement of the rolling door of the storage box, realizes reasonable protection of the stored objects, and makes the storage box smarter, more convenient and safer.

Description of drawings

FIG. 1 is a block diagram of an electric control system for an inductive storage box in an embodiment of the present application.

Fig. 2 is a flowchart of a control method of the electric control system of the inductive storage box in the embodiment of the present application.

detailed description:

The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figure 1, an inductive storage box electric control system is provided in an embodiment of the present application, wherein the storage box includes an opening for placing items and a rolling door for covering the opening, and the electric control system includes an inductive sensor , a diffuse reflection photoelectric sensor, a current detector, a controller, and a steering gear for driving a rolling door to switch. The inductive sensor, the photoelectric sensor, the current detector and the steering gear are respectively connected with the controller; the current detector is also connected with the steering gear.

The inductive sensor is used to detect the hand sweep control signal, and output a high-level pulse signal to the controller every time it is detected.

The diffuse reflection photoelectric sensor is Omron E3Z-D81 diffuse reflection photoelectric sensor, which is installed near the opening edge of the storage box to detect whether there are objects higher than the rolling shutter door in the storage box, such as water cups, etc. When the diffuse reflection When the photoelectric sensor is blocked, it outputs a high-level signal to the controller; the current detector is used to detect the working current value of the steering gear.

The controller outputs a PWM signal to the steering gear, controls the steering gear to rotate forward or reverse, and drives the rolling door of the storage box to open or close.

The steering gear has an internal angle encoder, which can detect the real-time angle value of the steering gear and feed it back to the controller.

In this way, through the operation of the electric control system of the inductive storage box, the opening and closing of the inductive storage box can be controlled intelligently and safely.

As shown in FIG. 2 , further description will be given below with an example of the flow of the control method of the electric control system of the inductive storage box. The overrun threshold of the operating current of the preset steering gear I _M =100mA, the minimum angle value of the steering gear α=30°, and the maximum angle value of the steering gear β=240°.

The specific flow of the control method of the inductive storage box electric control system includes the following steps:

Step 01: Initialize the status flag = 1, and control the servo to stop.

Step 02: Read the operating current value of the steering gear detected by the current detector, read the angle value of the steering gear fed back by the steering gear, and read the status value of the inductive sensor and the diffuse reflection photoelectric sensor.

Step 03: Determine the value of the system status flag, if it is 1, go to step 11; if it is 2, go to step 21; if it is 3, go to step 31; if it is 4, go to step 41.

Step 04: Delay for a short period of time, such as 1ms, and then go to Step 02.

Step 11: Determine whether the inductive sensor detects the hand sweep signal, if so, go to step 12, otherwise, go to step 04.

Step 12: Set the system status flag to 3;

Step 13: Control the steering gear to rotate forward to open the shutter door. Go to step 04.

Step 21: Judging whether the induction sensor detects the hand sweeping signal, if so, go to step 22, otherwise, go to step 04.

Step 22: Set the system status flag to 4;

Step 23: Control the steering gear to reverse to close the shutter door. Go to step 04.

Step 31: Judging whether the inductive sensor detects the hand sweeping signal, if so, go to step 33, otherwise, go to step 32.

Step 32: Determine whether the steering gear angle value is less than or equal to the preset minimum angle value of 30°, if it means that the rolling door has been opened to the maximum state, go to step 34, otherwise go to step 04.

Step 33: set the system status flag to 1, go to step 35;

Step 34: set the system status flag to 2, go to step 35;

Step 35: Control the servo to stop, go to step 04;

Step 41: Judging whether the inductive sensor detects the hand sweeping signal, if yes, go to step 34, otherwise, go to step 42.

Step 42: Determine whether the steering gear angle value is greater than or equal to the preset maximum angle value of 240°, if yes, it means that the rolling shutter door has been fully closed, go to step 33, otherwise, go to step 43.

Step 43: Determine whether the operating current value of the steering gear is greater than its overrun threshold of 100mA, and at the same time, determine whether the diffuse reflection photoelectric sensor is blocked. If either of the two is yes, it means that the steering gear needs to be stopped, and go to step 44. Otherwise, Go to step 04;

Step 44: Set the system status flag to 1, go to Step 35.

The above descriptions are only examples of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the content of the description of the present invention, or directly or indirectly used in other related technical fields, shall The same reasoning is included in the patent protection scope of the present invention.

Claims (6)

1. An induction type storage box electric control system, wherein the storage box comprises an opening for placing articles and a rolling door for covering the opening, is characterized in that,

the electric control system comprises an induction sensor, a photoelectric sensor, a current detector, a steering engine and a controller, wherein the steering engine is used for driving the rolling door to be opened and closed;

the induction sensor is used for detecting the hand-sweeping action and generating a hand-sweeping control signal to the controller; the photoelectric sensor is arranged at the edge of the opening of the storage box and used for detecting whether the height of the articles in the storage box exceeds that of the roller shutter door or not; the current detector is used for detecting the working current value of the steering engine; the controller is used for outputting a control signal to the steering engine to control the steering engine to work, an angle encoder is arranged in the steering engine, and the angle encoder is used for detecting a real-time angle value of the steering engine.

2. The induction type storage box electric control system according to claim 1, wherein the electric control controller outputs a PWM signal to the steering engine to control the steering engine to rotate forwards or backwards, and the rotation of the steering engine can drive a rolling door of the storage box to be correspondingly opened or closed.

3. The control method of the electric control system of the induction type storage box according to claim 1 or 2, characterized by comprising the following steps:

s01, starting a system to enter an initialization state, and controlling a steering engine to stop;

s02, acquiring steering engine working current values and steering engine angle values detected by a current detector, and acquiring state values of an induction sensor and a photoelectric sensor;

s03, judging the current system state, wherein the system state comprises a first state, an initialization state, a second state, a third state and a fourth state, and the initialization state is the first state;

s04, when the hand-sweeping control device is in the first state, acquiring a hand-sweeping control signal, controlling the steering engine to rotate forward to open the roller shutter door, and setting the system state to be a third state;

s05; when the system is in the second state, acquiring a hand sweep control signal, controlling the steering engine to reversely rotate so as to close the rolling door, and setting the system state to be a fourth state;

s06, when the rolling door is in the third state, judging whether the rolling door is opened to the maximum state or not according to the angle value of the steering engine, whether the steering engine is controlled to stop or not, and setting the system state to be the second state;

s07; and when the rolling door is in the fourth state, judging whether the rolling door is closed in place or not according to the angle value of the steering engine and the working current value of the steering engine, if so, controlling the steering engine to stop, and setting the system state to be the first state.

4. The control method of the induction type storage box electric control system according to claim 3, wherein in the step S06, when the roller shutter door is in the third state, whether the roller shutter door is opened to the maximum state or not is judged according to the angle value of the steering engine, whether the steering engine is controlled to stop or not is judged, and the system state is set to the second state, the method comprises the following steps:

s61, when the system is in the third state, acquiring a hand sweep control signal, controlling the steering engine to stop, and setting the system state as the first state, otherwise, entering the step S62;

and S62, judging whether the angle value of the steering engine is smaller than or equal to a preset minimum angle value alpha, if so, indicating that the rolling door is opened to the maximum state, controlling the steering engine to stop, and setting the system state to be a second state.

5. The control method of the induction type storage box electric control system according to claim 3, wherein when the step is in the fourth state, whether the rolling door is closed in place is judged according to the angle value of the steering engine and the working current value of the steering engine, if yes, the steering engine is controlled to stop, and the system state is set to be the first state. "comprises the following steps:

s71: when the steering engine is in the fourth state, acquiring a hand sweep control signal, controlling the steering engine to stop, and setting the system state to be the second state, otherwise, entering the step S72;

s72: and judging whether the angle value of the steering engine is greater than or equal to a preset maximum angle value beta, if so, indicating that the rolling door is closed in place, controlling the steering engine to stop, and setting the system state to be a first state.

6. The control method of the electric control system of the induction type storage box according to claim 5, further comprising the following steps:

if not, the step S73 is carried out;

s73: judging whether the steering engine working current value is larger than the overrun threshold I _M And simultaneously judging whether the photoelectric sensor is shielded by the article, if so, controlling the steering engine to stop, and setting the system state to be a first state.

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