阅读说明：本技术 一种用于船舶门系统的安全保护控制方法 (Safety protection control method for ship door system ) 是由 戈建鸣 胥鹏飞 李�杰 汤凯丰 王科良 吴波 于 2020-12-09 设计创作，主要内容包括：本发明公开了一种用于船舶门系统的安全保护控制方法,通过在逻辑控制层和电机驱动层之间电性连接安全保护控制层；安全保护控制层中的软件实时监测船舶门板运行速度的输入信号,并输出控制船舶门板的开关门速度；安全保护控制层中的硬件吸收超速和失控状态下电机反馈的能量；根据软件的模式,确定开关门速度信号是否异常,软件具有第一模式、第二模式或者第三模式；软件获得第一模式、第二模式或者第三模式的开关门速度,进行模式的切换,适时监测保护；从而克服了船舶航行时,船舶门板会产生倾斜角度,存在安全隐患的技术问题。(The invention discloses a safety protection control method for a ship door system, which is characterized in that a safety protection control layer is electrically connected between a logic control layer and a motor driving layer; software in the safety protection control layer monitors an input signal of the running speed of the ship door plate in real time and outputs and controls the door opening and closing speed of the ship door plate; hardware in the safety protection control layer absorbs energy fed back by the motor in an overspeed and out-of-control state; determining whether the door opening and closing speed signal is abnormal according to a mode of software, wherein the software has a first mode, a second mode or a third mode; the software obtains the door opening and closing speed of a first mode, a second mode or a third mode, switches the modes and monitors and protects in due time; therefore, the technical problem that the ship door plate can generate an inclination angle and has potential safety hazards when the ship sails is solved.)

1. A safety protection control method for a ship door system is characterized in that a safety protection control layer is electrically connected between a logic control layer and a motor driving layer; software in the safety protection control layer monitors an input signal of the running speed of the ship door plate in real time and outputs and controls the door opening and closing speed of the ship door plate; hardware in the safety protection control layer absorbs energy fed back by the motor in an overspeed and out-of-control state;

determining whether a door opening and closing speed signal is abnormal according to a mode of software, wherein the software has a first mode, a second mode or a third mode;

obtaining a door opening and closing speed signal of a first mode, wherein the first mode is a normal operation mode, the door opening and closing speed is a first speed, the operation speed of a ship door panel is a second speed, the first speed has a first threshold value, and when the second speed is greater than the first threshold value, the first mode is switched to the second mode;

obtaining a door opening and closing speed signal of the second mode, wherein the second mode is an overspeed operation mode, the door opening and closing speed is a third speed, the operation speed of the ship door panel is a fourth speed, the third speed has a second threshold value, the second threshold value is greater than the first threshold value, when the fourth speed is greater than the first threshold value and less than the second threshold value, the motor starts to decelerate in a reverse braking mode, when the fourth speed is less than the first threshold value, the second mode is switched to the first mode, and when the fourth speed is greater than the second threshold value, the second mode is switched to the third mode;

and acquiring a door opening and closing speed signal of the third mode, wherein the third mode is an out-of-control operation mode, the door opening and closing speed is a fifth speed, the fifth speed is greater than the second threshold value or the fourth speed, the software outputs a locking braking command to the brake, the ship door plate immediately stops in place, an out-of-control fault is uploaded, all door opening and closing control signals are not responded, the normal inclination angle is waited to recover, and the first mode is entered again.

2. The safety protection control method for a ship door system according to claim 1, wherein: the hardware includes: and the bleeder circuit is electrically connected between the power supply module and the motor drive circuit.

3. The safety protection control method for a ship door system according to claim 1, wherein: the software includes: a real-time monitoring unit for the running speed of the ship door plate; an input signal processing unit; a safety logic control unit; unlocking by an opening and closing door control signal; and a shielding unit.

4. The safety protection control method for a ship door system according to claim 1, wherein: further comprising: the starting mode is before the first mode, when the ship door panel is started, the software gives a fixed PWM duty ratio to generate starting thrust, and after a period of time delay, the ship door panel starts to act and enters the first mode.

5. The safety protection control method for a ship door system according to claim 1, wherein: in the first mode, the second speed is less than the first threshold.

6. The safety protection control method for a ship door system according to claim 1, wherein: in the first mode, when the ship door plate is opened in place, closed in place or stopped in the door opening and closing process, the motor stops rotating and loses control over the ship door plate, the safety protection control layer outputs a control signal to the brake, the brake is locked, the ship door plate is locked, the next motor operation command signal is waited, the brake is released again, and the ship door plate recovers movement.

7. The safety protection control method for a ship door system according to claim 1, wherein: the switch gate control signal includes: a local switch gate signal, and a foot-touch-sensitive switch gate signal.

Technical Field

The invention relates to the technical field of ships, in particular to a safety protection control method for a ship door system.

Background

Along with the continuous development of domestic shipping traffic industry, the boats and ships door system changes electric control into from manual switch door operation gradually, a series of safety control problems have been brought from this, because boats and ships door is compared in ordinary sliding door, its weight is the several times of ordinary sliding door, and during boats and ships navigation, the door can rock along with the ship, produce inclination, influence the normal operating of switch door, when inclination is too big, the weight of door plant self will drag the door plant gliding, if motor torque power is not enough to brake the door plant gliding, will cause serious accident out of control.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the safety protection control method for the ship door system so as to solve the technical problems that the ship door plate can generate an inclination angle and has potential safety hazards when a ship navigates in the prior art.

The technical scheme for realizing the purpose is as follows: a safety protection control method for a ship door system is characterized in that a safety protection control layer is electrically connected between a logic control layer and a motor driving layer; software in the safety protection control layer monitors an input signal of the running speed of the ship door plate in real time and outputs and controls the door opening and closing speed of the ship door plate; hardware in the safety protection control layer absorbs energy fed back by the motor in an overspeed and out-of-control state;

determining whether a door opening and closing speed signal is abnormal according to a mode of software, wherein the software has a first mode, a second mode or a third mode;

obtaining a door opening and closing speed signal of a first mode, wherein the first mode is a normal operation mode, the door opening and closing speed is a first speed, the operation speed of a ship door panel is a second speed, the first speed has a first threshold value, and when the second speed is greater than the first threshold value, the first mode is switched to the second mode;

obtaining a door opening and closing speed signal of the second mode, wherein the second mode is an overspeed operation mode, the door opening and closing speed is a third speed, the operation speed of the ship door panel is a fourth speed, the third speed has a second threshold value, the second threshold value is greater than the first threshold value, when the fourth speed is greater than the first threshold value and less than the second threshold value, the motor starts to decelerate in a reverse braking mode, when the fourth speed is less than the first threshold value, the second mode is switched to the first mode, and when the fourth speed is greater than the second threshold value, the second mode is switched to the third mode;

and acquiring a door opening and closing speed signal of the third mode, wherein the third mode is an out-of-control operation mode, the door opening and closing speed is a fifth speed, the fifth speed is greater than the second threshold value or the fourth speed, the software outputs a locking braking command to the brake, the ship door plate immediately stops in place, an out-of-control fault is uploaded, all door opening and closing control signals are not responded, the normal inclination angle is waited to recover, and the first mode is entered again.

Further: the hardware includes: and the bleeder circuit is electrically connected between the power supply module and the motor drive circuit.

Further: the software includes: a real-time monitoring unit for the running speed of the ship door plate; an input signal processing unit; a safety logic control unit; unlocking by an opening and closing door control signal; and a shielding unit.

Further: further comprising: the starting mode is before the first mode, when the ship door panel is started, the software gives a fixed PWM duty ratio to generate starting thrust, and after a period of time delay, the ship door panel starts to act and enters the first mode.

Further: in the first mode, the second speed is less than the first threshold.

Further: in the first mode, when the ship door plate is opened in place, closed in place or stopped in the door opening and closing process, the motor stops rotating and loses control over the ship door plate, the safety protection control layer outputs a control signal to the brake, the brake is locked, the ship door plate is locked, the next motor operation command signal is waited, the brake is released again, and the ship door plate recovers movement.

Further: the switch gate control signal includes: a local switch gate signal, and a foot-touch-sensitive switch gate signal.

By adopting the technical scheme, the method has the following beneficial effects: compared with the prior art, the safety protection control method for the ship door system has the advantages that the safety protection control layer is electrically connected between the logic control layer and the motor driving layer; software in the safety protection control layer monitors an input signal of the running speed of the ship door plate in real time and outputs and controls the door opening and closing speed of the ship door plate; hardware in the safety protection control layer absorbs energy fed back by the motor in an overspeed and out-of-control state; determining whether the door opening and closing speed signal is abnormal according to the mode of the software, switching among a first mode, a second mode or a third mode, detecting the abnormal door opening and closing signal in time, and monitoring and protecting in due time; therefore, the technical problems that the door plate of the ship can generate an inclination angle and potential safety hazards exist when the ship sails are solved, the technical effects that abnormal door opening and closing signals can be detected in time, timely safety protection is achieved, safety and reliability are good are achieved, and popularization and use are facilitated.

Drawings

FIG. 1 is a process flow diagram;

FIG. 2 is an electrical schematic diagram of the logic control layer, the motor driving layer, the safety protection control layer, the motor and the brake;

FIG. 3 is a flow chart of a first mode and a start mode;

FIG. 4 is an electrical schematic diagram of a second mode;

FIG. 5 is an electrical schematic diagram of a third mode;

FIG. 6 is a schematic diagram of the structure of software in the security protection control layer;

Detailed Description

In order that the matter may be more readily and clearly understood, further details are set forth in the following description, taken in conjunction with the accompanying drawings, in which like reference numerals refer to like parts;

the utility model provides a safety protection control method for boats and ships door system, when having solved the boats and ships navigation among the correlation technique, the boats and ships door plant can produce inclination, has potential safety hazard technical problem, has reached and can in time detect unusual switch door signal, timely safety protection, positive effect that fail safe nature is good, and the general thinking is as follows:

one embodiment is as follows:

as shown in fig. 1, 2, 3, 4, 5, 6; a safety protection control method for a ship door system is characterized in that a safety protection control layer is electrically connected between a logic control layer and a motor driving layer; software in the safety protection control layer monitors an input signal of the running speed of the ship door plate in real time and outputs and controls the door opening and closing speed of the ship door plate; hardware in the safety protection control layer absorbs energy fed back by the motor in an overspeed and out-of-control state;

determining whether a door opening and closing speed signal is abnormal according to a mode of software, wherein the software has a first mode, a second mode or a third mode;

obtaining a door opening and closing speed signal of a first mode, wherein the first mode is a normal operation mode, the door opening and closing speed is a first speed, the operation speed of a ship door panel is a second speed, the first speed has a first threshold value, and when the second speed is greater than the first threshold value, the first mode is switched to the second mode;

obtaining a door opening and closing speed signal of the second mode, wherein the second mode is an overspeed operation mode, the door opening and closing speed is a third speed, the operation speed of the ship door panel is a fourth speed, the third speed has a second threshold value, the second threshold value is greater than the first threshold value, when the fourth speed is greater than the first threshold value and less than the second threshold value, the motor starts to decelerate in a reverse braking mode, when the fourth speed is less than the first threshold value, the second mode is switched to the first mode, and when the fourth speed is greater than the second threshold value, the second mode is switched to the third mode;

acquiring a door opening and closing speed signal of a third mode, wherein the third mode is an out-of-control operation mode, the door opening and closing speed is a fifth speed, the fifth speed is greater than the second threshold value or the fourth speed, the software outputs a locking braking command to the brake, the ship door panel immediately stops in place, an out-of-control fault is uploaded, all door opening and closing control signals are not responded, the normal inclination angle is waited to recover, and the first mode is entered again;

specifically, when the method is implemented, the safety protection control layer is electrically connected between the logic control layer and the motor driving layer; software in the safety protection control layer monitors an input signal of the running speed of the ship door plate in real time and outputs and controls the door opening and closing speed of the ship door plate; hardware in the safety protection control layer absorbs energy fed back by the motor in an overspeed and out-of-control state; according to the mode of the software, whether the door opening and closing speed signal is abnormal or not is determined, switching is carried out among a first mode, a second mode or a third mode, the abnormal door opening and closing signal is detected in time, monitoring and protection are carried out in time, the abnormal door opening and closing signal can be uploaded to an upper computer in time for debugging personnel to refer to the reason of the fault occurrence, and the safety is relatively better;

in another embodiment:

as shown in fig. 1, 2, 3, 4, 5, 6; in implementation, the hardware includes: the bleeder circuit is electrically connected between the power supply module and the motor drive circuit; the bleeder circuit is used for absorbing energy fed back by the motor in the second mode and the third mode, so that the circuit board is protected from being damaged or broken down, and the safety and the reliability are better;

the software includes: a real-time monitoring unit for the running speed of the ship door plate; an input signal processing unit; a safety logic control unit; unlocking by an opening and closing door control signal; and a shielding unit; timely monitoring and protection can be realized according to the door opening and closing speed signal;

further comprising: the starting mode is before the first mode, when the ship door panel is started, the software gives a fixed PWM duty ratio to generate starting thrust, and after a period of time delay, the ship door panel starts to act and enters the first mode; the problem that when the inclination angle of the ship door plate is large, the ship door plate cannot be pulled to slide down because the torque of the motor is small when the motor is just started for speed regulation;

in the first mode, the second speed is smaller than the first threshold, and the opening and closing operation of the ship door plate is in a normal operation mode;

in the first mode, when the ship door plate is opened in place, closed in place or stopped in the door opening and closing process, the motor stops rotating and loses control over the ship door plate, the safety protection control layer outputs a control signal to the brake, the brake is locked, the ship door plate is locked, and a next motor operation command signal is waited for, so that the brake is released again, and the ship door plate recovers movement; the motor with the brake is electrically connected with the software, so that the control is convenient, and the motor can be immediately braked and locked when the motor is out of control, so that the ship door plate immediately stops moving, and the safety and reliability are better;

the switch gate control signal includes: the local door opening and closing signal and the foot touch response door opening and closing signal ensure the reliable transmission of the signals; those skilled in the art, having the benefit of this disclosure, will be able to ascertain directly and unambiguously how to arrange them without undue experimentation and without creative effort;

the working principle is as follows: the safety protection control layer is electrically connected between the logic control layer and the motor driving layer; software in the safety protection control layer monitors an input signal of the running speed of the ship door plate in real time and outputs and controls the door opening and closing speed of the ship door plate; hardware in the safety protection control layer absorbs energy fed back by the motor in an overspeed and out-of-control state; determining whether the door opening and closing speed signal is abnormal according to the mode of the software, switching among a first mode, a second mode or a third mode, detecting the abnormal door opening and closing signal in time, monitoring and protecting in time, and uploading the abnormal door opening and closing signal to an upper computer in time for a debugging worker to refer to the failure occurrence reason;

in the description, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are only for convenience of description or simplicity of description, but do not indicate that a particular orientation must be provided; the operation process described in the embodiment is not an absolute use step, and corresponding adjustment can be made during actual use;

unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art; the use of "first," "second," and the like in the description and in the claims does not denote any order, quantity, or importance, but rather the terms "a" and "an" and the like are used to distinguish one element from another, and likewise, no limitation of quantity is implied, but rather at least one is implied, as is determined by the context of the embodiment;

the above description is only for the preferred embodiment, but the scope of protection is not limited thereto, and any equivalent replacement or change based on the technical solution and the inventive concept within the technical scope of the disclosure of the person skilled in the art should be covered by the scope of protection.