阅读说明：本技术 运输车操作箱防意外开启连锁保护方法及其保护装置 (Transport vehicle operation box accidental opening prevention interlocking protection method and protection device thereof ) 是由 任海燕 王建中 王裕航 冯熔 于 2020-06-06 设计创作，主要内容包括：本发明公开了一种运输车操作箱防意外开启连锁保护方法及其保护装置,罐车到达指定区域,打开操作箱大门,翻下卸液专用门,连接卸液软管与接收储罐的专用连接口相连,关闭操作箱大门。当通过控制终端打开卸液按钮进行卸液时,操作箱防意外开启连锁保护装置激活。若操作箱大门打开,操作箱门开启感应装置将信号传输至控制终端,控制终端发送关闭信号至紧急切断装置和动力输送装置的控制器,关闭紧急切断装置和动力输送装置,通过控制终端发出报警信号。若卸液结束,即紧急切断装置和动力输送装置停止运作,则操作箱防意外开启连锁保护装置休眠,再次打开操作箱时无任何动作。安全有效车辆操作箱安全监控使用管理,降低安全事故发生。(The invention discloses an accidental opening prevention interlocking protection method and a protection device for a transport vehicle operation box. When the liquid discharging button is opened through the control terminal to discharge liquid, the operation box is activated by the accidental opening prevention interlocking protection device. If the door of the operation box is opened, the door opening sensing device of the operation box transmits a signal to the control terminal, the control terminal sends a closing signal to the controllers of the emergency cut-off device and the power conveying device, the emergency cut-off device and the power conveying device are closed, and an alarm signal is sent out through the control terminal. If the liquid discharging is finished, namely the emergency cut-off device and the power conveying device stop operating, the operation box is prevented from accidentally starting the interlocking protection device to be dormant, and no action is caused when the operation box is opened again. Safe and effective vehicle operation box safety monitoring use management reduces the incident and takes place.)

1. The utility model provides a transport vechicle operation panel prevents unexpected chain protection method that opens which characterized in that: comprises the following chain protection method which comprises the following steps,

1.1 transporting the tank truck to a designated area;

1.2 the central system identifies whether to allow liquid discharge;

1.3 if the central system identifies that the liquid discharge is not allowed, the operation box cannot be opened, and the liquid discharge button is not activated;

1.4 if the central system identifies that the liquid discharge is allowed, simultaneously executing a 1.5 step and a 1.14 step in the following steps;

1.5 if the central system identifies that the liquid discharge is allowed, the operator can open the door of the operation box;

1.6 turning down the special liquid discharging door after opening the big door of the operation box;

1.7, after the special liquid discharging door is turned down, the action of connecting and discharging a liquid hose is executed;

1.8, after the liquid discharging hose is connected, closing the gate of the operation box, and executing the step 1.15 in the following steps;

1.9 in the process of discharging liquid, if the closed operation box gate is opened again, the central control system identifies and judges the condition of opening the operation box gate again;

1.10 if the linkage protection device is activated at the moment, the central control terminal processes the signal to send out an alarm and stop signal;

1.11, after the central control terminal processes the signal to send out an alarm and a stop signal, the operation box accidentally starts the interlocking protection device to send out an alarm signal, and simultaneously executes the step 1.21 in the following steps;

1.12 if the gate of the operation box is opened and the interlocking protection device is not activated at the moment, the central control terminal processes a signal and sends a no-action signal;

1.13 after the central control terminal processes the signal and sends out the no-action signal, then the execution central control terminal has no action and no alarm signal to send out;

1.14 if the central system recognizes that the liquid discharge is allowed, the 'liquid discharge' button is activated;

1.15 under the activated state of the liquid discharging button, the liquid discharging button is opened;

1.16 when the liquid discharging button is turned on, the operation box anti-accidental opening interlocking protection device is also activated;

1.17 after the operation box accidental opening prevention interlocking protection device is activated, the step 1.10 is executed;

1.18 if the liquid discharging in the step 1.15 is normally finished, executing an automatic closing 'liquid discharging' button;

1.19 closing the liquid discharging button, and then executing the dormancy of the operation box for preventing the interlocking protection device from being accidentally opened;

1.20 'the operation box prevents accidental opening of the linkage protection device' after dormancy; executing the central control terminal to process the signal and send out a non-alarm signal, and entering the step 1.13;

1.21 in the step 1.10, if the central control terminal processes the signal and sends out the alarm signal as a stop signal, the central control terminal sends the stop signal to the emergency stop device and the power transmission device controller;

1.22 after the emergency stopping device and the power transportation device controller receive the stop signal, sending a closing signal to the emergency cutting device and the power transportation device controller, and closing the emergency cutting device and the power transportation device;

1.23 sending a stop signal to an emergency stop device and a power transmission device controller after the liquid discharge button is closed in the step 1.18;

1.24 the controller of the emergency stop device and the power transport device receives the stop signal sent in the step 1.23, and then sends a closing signal to the controller of the emergency cut-off device and the power transport device to close the emergency cut-off device and the power transport device.

2. The method for protecting the transport vehicle operation box from being opened accidentally according to claim 1, wherein the method comprises the following steps: the condition of opening the door of the operation box again comprises all actions of opening the operation box door in the liquid discharging process.

3. The utility model provides a transport vechicle control box prevents that accident opens chain protection device, includes the control box gate and unloads liquid special door, its characterized in that: the intelligent control system is characterized by further comprising an operation box door opening sensing device, an emergency cut-off device controller, a power conveying device controller and a control terminal, wherein the control terminal is provided with the central control system in any one of claims 1 to 2 and used for identifying and judging whether liquid unloading is allowed, the control terminal is respectively in control connection with the operation box door opening sensing device, the emergency cut-off device controller and the power conveying device controller, and the control terminal is internally provided with the operation box accidental opening prevention interlocking protection device in any one of claims 1 to 2.

4. The transport vehicle operation box accidental opening prevention interlocking protection device as claimed in claim 3, wherein: the operation box door opening sensing device is arranged at the box door on the inner side of the gate of the rear operation box.

5. The transport vehicle operation box accidental opening prevention interlocking protection device as claimed in claim 3, wherein: the inductor adopted by the operating box door opening induction device is a travel switch or an infrared inductor which can induce the opening of the box door.

6. The transport vehicle operation box accidental opening prevention interlocking protection device as claimed in claim 3, wherein: the emergency cut-off device controller and the power transmission device controller are respectively arranged on the vehicle chassis.

7. The transport vehicle operation box accidental opening prevention interlocking protection device as claimed in claim 3, wherein: the control terminal is arranged in the cab of the transport vehicle.

Technical Field

The invention relates to an operation box, in particular to an accidental opening prevention interlocking protection method and a protection device for the operation box of a transport vehicle, which are used on a liquefied gas dangerous goods transport vehicle.

Background

With the continuous development of social economy, the number of times of transportation of liquefied gas dangerous goods to various destinations through transport vehicles is increasing day by day, however, as the liquefied gas transportation belongs to the transportation operation of high-risk products, if the operation box door of the transport vehicle is accidentally opened in the process of discharging liquid, the liquid discharge pipeline system is damaged, safety accidents are easily caused, and even personal life safety and social property loss are caused.

Disclosure of Invention

The invention provides a chain protection device capable of preventing an operation box from being opened accidentally, which is more effective for solving the current situations that the existing liquefied gas dangerous goods transport vehicle is easy to cause safety accidents of different degrees due to improper use and management of the operation box during liquid unloading operation, even causes personal life safety, social and property loss and the like.

The invention adopts the following specific technical scheme for solving the technical problems: the utility model provides a transport vechicle operation panel prevents unexpected chain protection method that opens which characterized in that: comprises the following chain protection method which comprises the following steps,

1.1 transporting the tank truck to a designated area;

1.2 the central system identifies whether to allow liquid discharge;

1.3 if the central system identifies that the liquid discharge is not allowed, the operation box cannot be opened, and the liquid discharge button is not activated;

1.4 if the central system identifies that the liquid discharge is allowed, simultaneously executing a 1.5 step and a 1.14 step in the following steps;

1.5 if the central system identifies that the liquid discharge is allowed, the operator can open the door of the operation box;

1.6 turning down the special liquid discharging door after opening the big door of the operation box;

1.7, after the special liquid discharging door is turned down, the action of connecting and discharging a liquid hose is executed;

1.8, after the liquid discharging hose is connected, closing the gate of the operation box, and executing the step 1.15 in the following steps;

1.9 in the process of discharging liquid, if the closed operation box gate is opened again, the central control system identifies and judges the condition of opening the operation box gate again;

1.10 if the linkage protection device is activated at the moment, the central control terminal processes the signal to send out an alarm and stop signal;

1.11, after the central control terminal processes the signal to send out an alarm and a stop signal, the operation box accidentally starts the interlocking protection device to send out an alarm signal, and simultaneously executes the step 1.21 in the following steps;

1.12 if the gate of the operation box is opened and the interlocking protection device is not activated at the moment, the central control terminal processes a signal and sends a no-action signal;

1.13 after the central control terminal processes the signal and sends out the no-action signal, then the execution central control terminal has no action and no alarm signal to send out;

1.14 if the central system recognizes that the liquid discharge is allowed, the 'liquid discharge' button is activated;

1.15 under the activated state of the liquid discharging button, the liquid discharging button is opened;

1.16 when the liquid discharging button is turned on, the operation box anti-accidental opening interlocking protection device is also activated;

1.17 after the operation box accidental opening prevention interlocking protection device is activated, the step 1.10 is executed;

1.18 if the liquid discharging in the step 1.15 is normally finished, executing to close a liquid discharging button;

1.19 closing the liquid discharging button, and then executing the dormancy of the operation box for preventing the interlocking protection device from being accidentally opened;

1.20 'the operation box prevents accidental opening of the linkage protection device' after dormancy; executing the central control terminal to process the signal and send out a non-alarm signal 12, and entering the step 1.13;

1.21 in the step 1.10, if the central control terminal processes the signal and sends out the alarm signal as a stop signal, the central control terminal sends the stop signal to the emergency stop device and the power transmission device controller;

1.22 after the emergency stopping device and the power transportation device controller receive the stop signal, sending a closing signal to the emergency cutting device and the power transportation device controller, and closing the emergency cutting device and the power transportation device;

1.23 sending a stop signal to an emergency stop device and a power transmission device controller after the liquid discharge button is closed in the step 1.18;

1.24 the emergency stop device and power delivery device controller receives the "stop" signal from step 1.23, and sends a close signal to the emergency cut-off device and power delivery device controller to close the emergency cut-off device and power delivery device.

The liquefied gas transport vehicle has certain danger when unloading liquid, if the operation box door is opened accidentally in the liquid unloading process, the emergency cut-off valve and the power conveying device can be immediately closed by the operation box anti-accidental opening interlocking protection device, the liquid unloading operation is stopped, and the safety of personnel is ensured. The emergency cut-off valve and the power conveying device can be effectively closed in a locking manner when the operation box is opened accidentally, so that the liquid unloading operation of the transport vehicle is safer and more effective, the occurrence of safety accidents is reduced, and the personal life safety and the social and property loss are more effectively avoided.

Preferably, the condition of opening the operation box door again comprises all actions of opening the operation box door in the liquid discharging process.

Another object of the present invention is to provide an accidental opening prevention interlocking protection device for a transport vehicle operation box, which comprises an operation box gate and a liquid discharge special gate, and is characterized in that: the intelligent control system is characterized by further comprising an operation box door opening sensing device, an emergency cut-off device controller, a power conveying device controller and a control terminal, wherein the control terminal is provided with the central control system in any one of claims 1 to 2 and used for identifying and judging whether liquid unloading is allowed, the control terminal is respectively in control connection with the operation box door opening sensing device, the emergency cut-off device controller and the power conveying device controller, and the control terminal is internally provided with the operation box accidental opening prevention interlocking protection device in any one of claims 1 to 2. The emergency cut-off valve and the power conveying device can be effectively closed in a locking manner when the operation box is opened accidentally, so that the liquid unloading operation of the transport vehicle is safer and more effective, the occurrence of safety accidents is reduced, and the personal life safety and the social and property loss are more effectively avoided.

Preferably, the operation box door opening sensing device is arranged at a box door on the inner side of the back operation box door. The opening detection and identification effectiveness of the operation box door is improved.

Preferably, the sensor used by the operating box door opening sensing device is a travel switch or an infrared sensor capable of sensing the opening of the box door. The opening detection and identification simplicity and effectiveness of the operation box door are improved.

Preferably, the emergency cut-off device controller and the power transmission device controller are respectively provided on a vehicle chassis. The safety and effectiveness of the control of accidental opening are improved.

Preferably, the control terminal is arranged in a cab of the transport vehicle. The safety and effectiveness of the control operation of the accidental opening are improved.

The invention has the beneficial effects that: the emergency cut-off valve and the power transportation device can be effectively closed in a locking manner when the operation box is opened accidentally, so that the liquid unloading operation of the transportation vehicle is safer and more effective, the occurrence of safety accidents is reduced, and the personal life safety and the social and property loss are more effectively avoided. The invention provides an accidental opening prevention interlocking protection device for an operation box, which can ensure the safe operation of a liquid discharging process. When the transport vechicle unloads liquid, in case the operation box gate is opened, this application alright send alarm signal and interlock and close emergency cutoff device and power transmission device. The invention is also more suitable for the operation box provided with a special liquid discharging door, and a liquid discharging pipeline system of the liquefied gas transport vehicle is arranged in the operation box.

Description of the drawings:

the invention is described in further detail below with reference to the figures and the detailed description.

Fig. 1 is a schematic flow chart of a protection method of the transport vehicle operation box accidental opening prevention interlocking protection method.

Fig. 2 is a schematic structural diagram of the interlocking protection device for preventing the transport vehicle operation box from being opened accidentally.

Fig. 3 is a schematic view of the installation position structure of the operation box door opening sensing device in the transport vehicle operation box accidental opening prevention interlocking protection device.

Detailed Description