CN215160397U

CN215160397U - Driving operation abnormity alarm system

Info

Publication number: CN215160397U
Application number: CN202120697019.1U
Authority: CN
Inventors: 张宝田; 马永辉; 宋建国; 卢本雄; 曹勇; 徐嘉旭; 宋迎雷; 江亚烈; 林拓; 谢佳彬; 郑腾飞; 龚建伟; 张东义; 石祥飞
Original assignee: Fujian Ningde Nuclear Power Co Ltd
Current assignee: Fujian Ningde Nuclear Power Co Ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-12-14
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a driving operation abnormity alarm system is applicable to the hoist, and the hoist includes gear group, and this system includes: the gear operation monitoring device comprises a collecting unit electrically connected with a gear group, an abnormality judging unit electrically connected with the collecting unit and used for comparing preset switching time and switching times in preset unit time with the switching time and switching times in unit time to judge whether gear operation is abnormal, an abnormality output control unit electrically connected with the abnormality judging unit and used for controlling alarm, and an alarm device electrically connected with the abnormality output control unit; the abnormal output control unit comprises a gear shift over-fast output control unit for controlling a gear shift over-fast alarm and a inching operation frequent output control unit for controlling a inching operation frequent alarm. The utility model discloses can prevent that the driver of a vehicle from concentrating on when the operation, do the thing irrelevant with the operation, guarantee to be hung the thing and be in steady safe hoist and mount.

Description

Driving operation abnormity alarm system

Technical Field

The utility model relates to a driving safety technical field especially relates to a driving operation abnormity alarm system.

Background

The basic technical requirements of safe driving operation are stable, accurate, fast, safe and reasonable, a driver is required to operate according to the requirements of step-by-step operation and stable gear shifting, and the driver is not allowed to do things unrelated to the operation, so that the safety of a hung object is ensured. However, in the actual hoisting process on site, the operation of the driver is not effectively restricted and controlled, and the phenomenon of jerky operation still exists, such as: fast stop operation, fast start operation, fast reverse operation, frequent jog operation, etc.

The rapid operation can cause the acceleration damage of the travelling crane or cause the hoisted object to be in an unsafe state, thereby seriously affecting the hoisting safety. At present, the traveling crane electrical control systems on the market do not consider monitoring and alarming under the abnormal operation condition, and no mature monitoring and alarming system is available. Video monitoring system is installed in some driving, and video monitoring on the one hand can only regard as the basis and the input of accident investigation, does not have real-time unusual operation warning and reminds the function, and driving cab space is narrow and small, and operating handle switches and can't distinguish the judgement through the video at a slow speed, and video monitoring has very big limitation, and on the other hand, driving driver majority is the women, and they require certain privacy space, and the camera shooting of total coverage no dead angle can form certain psychological pressure to driving driver. Some driving vehicles are provided with a data recording system, for example, information such as running current, rotating speed, running time and main lifting load of a motor is stored in real time, but the data is only used for driving maintenance personnel to deal with defects of equipment, and driving operation personnel do not have data query and analysis capability. Therefore, how to ensure the driver to operate the traveling crane stably is a technical problem to be solved urgently by the technical personnel in the field

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, to prior art's defect, a driving operation abnormity alarm system is provided.

The utility model provides a technical scheme that its technical problem adopted is: constructing a crane operation abnormality warning system suitable for a crane including a group of gears, the system comprising:

the gear switching device comprises a collecting unit, an abnormality judging unit, an abnormality output control unit and an alarm device, wherein the collecting unit is electrically connected with the gear group and used for collecting gear switching signals, switching time and switching times in unit time, the abnormality judging unit is electrically connected with the collecting unit and used for comparing the preset switching time and the switching times in unit time with the switching time and the switching times in unit time to judge whether gear operation is abnormal, the abnormality output control unit is electrically connected with the abnormality judging unit and used for controlling alarm, and the alarm device is electrically connected with the abnormality output control unit;

the abnormal output control unit comprises a gear shift over-fast output control unit for controlling a gear shift over-fast alarm and a inching operation frequent output control unit for controlling a inching operation frequent alarm.

Preferably, in the system for alarming abnormal driving operation of the utility model, the gear group comprises a main hook handle gear device, an auxiliary hook handle gear device, a cart handle gear device and a cart handle gear device;

the collecting unit comprises a main hook collecting unit electrically connected with the main hook handle gear connector, an auxiliary hook collecting unit electrically connected with the auxiliary hook handle gear connector, a cart collecting unit electrically connected with the cart handle gear connector, and a cart collecting unit electrically connected with the cart handle gear connector.

Preferably, in the driving operation abnormity alarm system of the utility model, the abnormity judgment unit is a PLC.

Preferably, in the system for alarming abnormality in driving operation of the present invention, the control unit for outputting excessive shift speed and the control unit for outputting frequent jog operation each include a relay;

and a coil of the relay is electrically connected with the abnormality judgment unit, and a contact switch of the relay is electrically connected with the alarm device to control the alarm device to send out a gear-shifting too-fast alarm signal and a inching operation frequent alarm signal.

Preferably, in the system for alarming abnormality in driving operation of the present invention, the control unit for outputting excessive gear shift and the control unit for outputting frequent jog operations further include a fuse electrically connected to the relay, respectively.

Preferably, in the system for alarming abnormal driving operation of the utility model, the alarm device is a voice alarm.

Preferably, in the driving operation abnormity alarm system of the utility model, the system further comprises a touch display electrically connected with the abnormity judging unit.

Through implementing the utility model discloses, following beneficial effect has:

the utility model discloses a driving operation abnormity alarm system possesses too fast alarming function of monitoring gear shift and operates too frequent alarming function, can prevent that the driver of a vehicle from concentrating when the operation, does the thing irrelevant with the operation, prevents that jack-up commander from concentrating when the commander is commander, does not consider in advance that unnecessary "scram" instruction appears, guarantees to be hung the thing and especially hangs major possession article for example: the generator rotor, the steam turbine and the like are stably and safely hoisted, so that the equipment is prevented from being damaged by abnormal operation of 'violence' during driving, and the service life of the equipment is prolonged.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic view of the abnormal driving operation alarm system of the present invention;

FIG. 2 is a schematic circuit diagram of the main hook, the auxiliary hook, the cart, the trolley handle gear, the PLC and the abnormal output control unit of the present invention;

FIG. 3 is a schematic diagram of the internal process of the PLC of the present invention;

fig. 4 is a schematic circuit diagram of the alarm device of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The inertia of equipment and the lifted object is considered during the operation of the crane, so that the lifting hook and the big and small vehicles stop at required positions, the handle is operated to shift gears step by step, and the crane generally stops at a transition gear for about 1-2 seconds. The utility model discloses a driving operation abnormity alarm system mainly is whether steady to monitor main hook, vice hook, cart, dolly operating handle's gear switching process, can send audio alert when discovering the handle have by the operating mode of the prohibitively operation and remind, the operating mode of the prohibitively operation includes: fast stop, fast start, fast reverse operation, frequent jog operations, etc.

The driving operation abnormity alarm system only plays a role in reminding or warning, and does not change the operation mode, control logic, related linkage, safety protection and the like of the original equipment, for example, the working conditions such as emergency stop operation under emergency working conditions, reverse operation under brake failure and the like are kept consistent with the original working conditions.

As shown in fig. 1, the system comprises: the gear switching device comprises a collecting unit, an abnormality judging unit, an abnormality output control unit and an alarm device, wherein the collecting unit is electrically connected with a gear group and used for collecting gear switching signals, switching time and switching times in unit time, the abnormality judging unit is electrically connected with the collecting unit and used for comparing the preset switching time and the switching times in unit time with the switching time and the switching times in unit time to judge whether gear operation is abnormal, the abnormality output control unit is electrically connected with the abnormality judging unit and used for controlling alarm, and the alarm device is electrically connected with the abnormality output control unit; the abnormal output control unit comprises a gear shift over-fast output control unit for controlling a gear shift over-fast alarm and a inching operation frequent output control unit for controlling a inching operation frequent alarm. In this embodiment, the acquisition unit and the abnormality determination unit may be integrated into an editable logic controller PLC.

In this embodiment, the gear set includes a main hook handle gear 101PP, an auxiliary hook handle gear 102PP, a cart handle gear 103PP, and a cart handle gear 104PP shown in fig. 2. Correspondingly, the acquisition unit comprises a main hook acquisition unit electrically connected with the main hook handle gear connector, an auxiliary hook acquisition unit electrically connected with the auxiliary hook handle gear connector, a cart acquisition unit electrically connected with the cart handle gear connector, and a cart acquisition unit electrically connected with the cart handle gear connector.

In some embodiments, as shown in fig. 3, a part of programs need to be added on the basis of the original PLC program, specifically, FC505, FB500, DB501, DB502, DB503, and DB504 are newly created, a sub-program FC505 is called in a main program OB1, then FB500 is called in FC505 as a main hook, a sub-hook, a cart, and a trolley abnormal operation determination program respectively, and finally the results are summarized for controlling the alarm device. Specifically, gear switching time can be calculated in real time and compared with preset switching time to judge whether the running gear switching has too fast gear shifting operation; and the switching times in unit time can be calculated in real time and compared with the switching times in preset unit time so as to judge whether the frequent inching operation exists in the driving gear switching. The following table 1 shows a gear switching alarm setting table of a main hook and an auxiliary hook, the table 2 shows a gear switching alarm setting table of a large vehicle, and the table 3 shows a gear switching alarm setting table of a small vehicle. In some embodiments, the preset switching time and the switching times within the preset unit time can be adjusted as needed.

TABLE 1

TABLE 2

TABLE 3

In the present embodiment, the excessive shift output control unit and the frequent shift operation output control unit each include a relay; the coil of the relay is electrically connected with the abnormality judgment unit, the contact switch of the relay is electrically connected with the alarm device, and the alarm device is controlled to send out a voice alarm signal when the gear shifting is too fast and a voice alarm signal when the inching operation is too frequent. In some embodiments, the over-shift output control unit and the frequent-operation output control unit each further include a fuse electrically connected to the relay in order to protect the relay.

In this embodiment, the alarm device is a voice alarm, such as a speaker 004BL shown in fig. 4, and two ends L75 and N75 of the voice alarm are respectively connected to the system power supply. The alarm voice of the loudspeaker can be customized according to needs, and accurate reminding is achieved.

Specifically, as shown in fig. 2 and 4, the excessive shift output control unit includes a first relay 501UM, a coil of the first relay 501UM is electrically connected to the abnormality determination unit, and a contact switch of the first relay 501UM is electrically connected to both ends of the speaker 004 BL; the inching operation frequent output control unit comprises a second relay 502UM, a coil of the second relay 502UM is electrically connected with the abnormality judgment unit, a contact switch of the second relay 502UM is electrically connected with two ends of a loudspeaker 004BL, and the loudspeaker 004BL emits different alarm sounds according to the closing of different contact switches.

In some embodiments, the system may further include a touch display electrically connected to the abnormality determination unit, and configured to display gear information or alarm information, query an abnormal operation history, and set alarm setting time between different gear shifts and alarm times for frequent jog operations in a display interface by touching according to actual conditions.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A driving operation abnormity warning system is suitable for a crane, the crane comprises a gear group, and the system is characterized by comprising:

2. The driving operation abnormality warning system according to claim 1, wherein the gear group includes a main hook handle gear, an auxiliary hook handle gear, a cart handle gear, and a cart handle gear;

3. The system for alarming abnormality in driving operation according to claim 1, wherein the collection unit and the abnormality judgment unit are PLC.

4. A running operation abnormality warning system according to claim 1, wherein the gearshift excessive speed output control unit and the jog operation frequent output control unit each include a relay;

5. A vehicle operation abnormality warning system according to claim 4, wherein said excessive shift output control unit and said frequent jog output control unit each further comprise a fuse electrically connected to said relay.

6. A vehicle operation abnormality warning system according to claim 1, wherein said warning device is a voice alarm.

7. A driving operation abnormality warning system according to claim 1, further comprising a touch display electrically connected to the abnormality determination unit.