CN-121994337-A - Intelligent wireless overload weighing device

CN121994337ACN 121994337 ACN121994337 ACN 121994337ACN-121994337-A

Abstract

The invention relates to the technical field of special equipment safety protection, and discloses an intelligent wireless overload weighing device which comprises an overload signal acquisition board, an overload display control board, a display screen and a wireless device, wherein the overload signal acquisition board is arranged on a crane trolley frame, is used for acquiring weight signals and limiting signals output by a sensor, and is adaptive to a self-grinding sensor and an external third party sensor. This intelligent wireless overload weighing device, overload signal acquisition board adaptable is from grinding sensor and outside third party sensor, need not to form a complete set with specific sensor, has solved the poor problem of traditional device compatibility, has enlarged the application scope of device, supports wired transmission, wireless transmission or wired-wireless binary channels transmission mode simultaneously, can select in a flexible way according to the installation environment and the user demand of hoist, reduces cable laying cost and signal interference, reduces the installation degree of difficulty.

Inventors

ZHANG ZHANG
GAO BAOCUN
JI YUNING
LIU QIUHUI

Assignees

厚泰(湖北)起重设备有限公司

Dates

Publication Date: 20260508
Application Date: 20260224

Claims (7)

1. The intelligent wireless overload weighing device comprises an overload signal acquisition board, an overload display control board, a display screen and a wireless device, and is characterized in that the overload signal acquisition board is arranged on a crane trolley frame, is used for acquiring weight signals and limit signals output by a sensor, and is adaptive to a self-grinding sensor and an external third party sensor; The overload display control panel is arranged in the cab or the control box, is connected with the overload signal acquisition panel in a signal manner, is used for processing weight signals and limit signals, and executes overload protection actions; the display screen is arranged in a cab or on a control box door, is in communication connection with the overload display control panel and is used for displaying weight data, limiting states and recording abnormal information in real time; The wireless device is integrated on the overload signal acquisition board and the overload display control board, and signals can be transmitted between the overload signal acquisition board and the overload display control board in a wired mode, a wireless mode or a wired-wireless double-channel mode.
2. The intelligent wireless overload weighing device of claim 1, wherein an overload sensor interface is formed on the right side of the overload signal acquisition board, the overload sensor interface comprises VCC/GND and Red/Black, the right side of the overload signal acquisition board is provided with a positive electrode and a negative electrode of a power supply, and the right sides of the overload signal acquisition board and an overload display control board are provided with indicator lamps.
3. The intelligent wireless overload weighing device of claim 1, wherein signals can be transmitted between the overload signal acquisition board and the overload display control board in a wired mode, a wireless mode or a wired-wireless double-channel mode.
4. The intelligent wireless overload weighing device of claim 1, wherein the overload signal acquisition board is HTCZ-CJB in type and the overload display control board is HTCZ-KZB in type, and both are adapted to AC220V power supply.
5. The intelligent wireless overload weighing device of claim 1, wherein the display screen and the overload display control panel are in signal transmission through a 232 communication protocol.
6. The intelligent wireless overload weighing device of claim 1, wherein the overload signal acquisition board is of a modularized structural design, and the overload display control board is further used for receiving and processing limiting signals transmitted by the overload signal acquisition board and feeding back limiting states to the display screen in real time.
7. The intelligent wireless overload weighing device of claim 1, wherein the display screen has an abnormal information storage function and can trace back overload related abnormal records.

Description

Intelligent wireless overload weighing device Technical Field The invention relates to the technical field of special equipment safety protection, in particular to an intelligent wireless overload weighing device. Background With the improvement of crane safety performance requirements, enhancement of functions and popularization of digitization, the traditional lifting capacity limiter cannot meet the actual requirements. In the prior art, the instrument and the sensor of the overload limiter are connected by adopting cables, so that the cost and difficulty of cable laying are increased, the problem that signal transmission is easy to interfere exists, meanwhile, the improvement and upgrading of the traditional overload limiter are required to be matched with original equipment, the compatibility is poor, the popularization and application of products are limited, in addition, the existing device lacks an integrated acquisition function of limiting signals, cannot be compatible with sensors of different manufacturers, has single function, and needs to be improved in safety and visual degree. Disclosure of Invention The invention aims to provide an intelligent wireless overload weighing device so as to solve the problems in the background technology. The intelligent wireless overload weighing device comprises an overload signal acquisition board, an overload display control board, a display screen and a wireless device, wherein the overload signal acquisition board is arranged on a crane trolley frame, is used for acquiring weight signals and limit signals output by a sensor, and is adaptive to a self-grinding sensor and an external third party sensor; The overload display control panel is arranged in the cab or the control box, is connected with the overload signal acquisition panel in a signal manner, is used for processing weight signals and limit signals, and executes overload protection actions; the display screen is arranged in a cab or on a control box door, is in communication connection with the overload display control panel and is used for displaying weight data, limiting states and recording abnormal information in real time; The wireless device is integrated on the overload signal acquisition board and the overload display control board, and signals can be transmitted between the overload signal acquisition board and the overload display control board in a wired mode, a wireless mode or a wired-wireless double-channel mode. Preferably, the overload sensor interface is arranged on the right side of the overload signal acquisition board, the overload sensor interface comprises VCC/GND and Red/Black, the right side of the overload signal acquisition board is provided with a power supply anode and a power supply cathode, the right sides of the overload signal acquisition board and the overload display control board are provided with indicator lamps, the sensor interface provides physical connection and signal transmission channels of the acquisition board and the sensor, the VCC/GND provides a power supply loop for the sensor, the Red/Black corresponds to a signal line of the sensor, the stable butt joint of the self-grinding and third-party sensor and the acquisition board is ensured, the problem of compatibility connection is solved, the anode and the cathode of the power supply are connected with the acquisition board and the display control board to provide a standardized interface for AC220V power supply, and the power supply of the core component of the equipment is ensured. Preferably, signals can be transmitted between the overload signal acquisition board and the overload display control board in a wired mode, a wireless mode or a wired-wireless dual-channel mode, flexible adaptability of signal transmission is clear, differential selection is provided for different installation environments (such as overhead inconvenient wiring, ground wiring potential safety hazards and the like) of the crane, and cable laying cost and construction difficulty are reduced. Preferably, the model of the overload signal acquisition board is HTCZ-CJB, the model of the overload display control board is HTCZ-KZB, the overload signal acquisition board and the overload signal acquisition board are matched with AC220V power supply, the standardized component model is convenient for production and manufacture, inventory management and later maintenance, the components with the same type can be directly replaced, and the equipment maintenance cost and the downtime are reduced. Preferably, the display screen and the overload display control panel realize signal transmission through a 232 communication protocol, and an industrial-level mature 232 serial communication protocol is adopted, so that the device has the characteristics of strong anti-interference capability and stable transmission, and ensures efficient and accurate transmission of weight data, limiting states, abnormal information and the like between the