阅读说明：本技术 一种起重机无线脉冲测距防撞系统 (Wireless pulse ranging anti-collision system of crane ) 是由 周尔佳 王智勇 吴明翠 于 2021-07-07 设计创作，主要内容包括：本发明公开了一种起重机无线脉冲测距防撞系统,包括以下所述系统：一、信号采集系统；二、运算控制系统；三、无线传输系统；四、执行系统；五、报警显示系统。本发明信号采集系统、运算控制系统和无线传输系统的搭配使用,工作人员可将无线脉冲测距基站安装在同一车间内的多台起重机上,只要没有阻挡本区域内的无线基站均可以接收并计算到其他基站的位置信息,并且可以通过运算系统计算出本区域内各个起重机的实际位置,从而达到定位和防撞的目的,避免了需要特别复杂的采集模块来达到测距效果,通过运算控制系统和执行系统的搭配使用,可使得本系统具有空间立体性,并且可以在同一区域内进行组网测距,进而使得本系统具有较强的适用性。(The invention discloses a wireless pulse ranging anti-collision system for a crane, which comprises the following systems: firstly, a signal acquisition system; secondly, calculating a control system; thirdly, a wireless transmission system; fourthly, executing the system; and fifthly, an alarm display system. The signal acquisition system, the operation control system and the wireless transmission system are matched for use, a worker can install the wireless pulse ranging base station on a plurality of cranes in the same workshop, the wireless base station in the area can receive and calculate the position information of other base stations as long as the wireless base station is not blocked, and the actual position of each crane in the area can be calculated through the operation system, so that the purposes of positioning and collision avoidance are achieved, the problem that a particularly complex acquisition module is needed to achieve the ranging effect is avoided, the system can have space stereoscopy through the matching use of the operation control system and the execution system, networking ranging can be performed in the same area, and the system has strong applicability.)

1. The utility model provides a wireless pulse range finding collision avoidance system of hoist which characterized in that: the system comprises the following:

firstly, a signal acquisition system;

secondly, calculating a control system;

thirdly, a wireless transmission system;

fourthly, executing the system;

and fifthly, an alarm display system.

2. The wireless pulse ranging collision avoidance system of claim 1, wherein: in the signal acquisition system:

(1) the wireless pulse base station mainly comprises a wireless pulse base station, wherein a plurality of wireless pulse base station modules are arranged in the wireless pulse base station;

(2) and sending out signals through a plurality of wireless pulse base stations, wherein the wireless pulse base station module measures the distance between the base stations by using the flight time of the signals back and forth between the two ranging base stations.

3. The wireless pulse ranging collision avoidance system of claim 1, wherein: in the arithmetic control system: the wireless pulse base station can acquire signals sent by the wireless pulse base station, a spatial function relation is established for the acquired information, and the operation control system is electrically connected with the wireless pulse system.

4. The wireless pulse ranging collision avoidance system of claim 1, wherein: in the wireless transmission system: the method can collect signals sent by the wireless pulse base stations, and transmit the collected signals to the operation control system, wherein the wireless pulse base stations are connected in a wireless transmission mode.

5. The wireless pulse ranging collision avoidance system of claim 1, wherein: in the execution system: the alarm system can be responsible for implementing the instruction sent out in the operation control system and calculating and outputting alarm information, and the execution system is electrically connected with the operation control system.

6. The wireless pulse ranging collision avoidance system of claim 1, wherein: in the alarm display system:

(1) the distance can be processed according to the length of the back-and-forth flight time between the two ranging base stations, and if the flight distance is smaller than the safe distance, the operation control system can send an instruction;

(2) the alarm display system is used for displaying the current distance and position information in real time, and is electrically connected with the operation control system and the execution system.

Technical Field

The invention relates to the technical field of crane collision avoidance, in particular to a wireless pulse ranging collision avoidance system of a crane.

Background

With the development of the modern hoisting and transporting machinery industry, the density of hoisting and transporting machinery in the same operation area is increased, so that the probability of unsafe access among the hoisting and transporting machinery is greatly increased. In order to avoid the occurrence of dangerous approaching or collision between hoisting and transporting machines, various collision avoidance systems appear in the face of different model application ranges and actual requirements of users, certain differences exist between the respective principles and implementation forms, so that the integrality and economic difference of the collision avoidance systems are large, the crane wireless pulse ranging collision avoidance system is different from a linear or planar collision avoidance system such as infrared rays or laser, the distance between base stations is measured by detecting the back-and-forth flight time between ranging base stations arranged on a crane, a spatial function relation is established through the acquisition, operation and analysis of a control system, potential spatial interference conflicts are obtained, unsafe accidents caused by mutual collision are avoided, and the spatial collision avoidance system has active collision avoidance and passive collision avoidance functions.

Reference CN207209804U discloses a crane collision avoidance system, which includes: the system comprises a radar sensing unit, a control unit and a parking unit, wherein the radar sensing unit is in communication connection with the control unit, the control unit is in communication connection with the parking unit, and the parking unit is in communication connection with an operation control circuit of the crane. The utility model discloses a hoist collision avoidance system, through using the radio radar sensor, utilize the radio radar principle, the control unit is given to the real-time position of the moving mechanism of incessant detection hoist, cuts off hoist operation circuit and warning through the control unit control, fine reaching hoist anticollision purpose, simultaneously because the high penetrability of radio, the utility model discloses a hoist collision avoidance system can both be fine work under high dust environment and dense fog weather condition, but the device's alarm structure is comparatively single, is difficult to provide better help for the staff.

The wireless pulse ranging anti-collision system of the crane in the prior art has the defects that:

1. in the prior art, the existing laser or ultrasonic anti-collision system has high requirements on the environment and the reflecting surface, cannot normally work in the environment with large dust or dense fog, and cannot normally work outdoors, the ultrasonic anti-collision effect is better than that of a laser product in the environment with dust and dense fog, but the detection distance is too short due to the scattering characteristic, and meanwhile, the system is easily interfered by ambient light and noise and is very unstable;

2. in the prior art, when the wireless pulse ranging anti-collision system of the crane is used, the laser or ultrasonic anti-collision system can only carry out linear or planar ranging, real-time ranging cannot be carried out in upper and lower spaces, and the wireless pulse ranging anti-collision system has certain limitation in actual use;

3. in the prior art, a wireless pulse ranging anti-collision system for a crane has a single alarm structure and cannot provide more help for workers when in use.

Disclosure of Invention

The invention aims to provide a wireless pulse ranging anti-collision system for a crane, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the invention provides the following technical scheme, a wireless pulse ranging anti-collision system of a crane, comprising the following systems:

firstly, a signal acquisition system;

secondly, calculating a control system;

thirdly, a wireless transmission system;

fourthly, executing the system;

and fifthly, an alarm display system.

Preferably, in the signal acquisition system:

(1) the wireless pulse base station mainly comprises a wireless pulse base station, wherein a plurality of wireless pulse base station modules are arranged in the wireless pulse base station;

(2) and sending out signals through a plurality of wireless pulse base stations, wherein the wireless pulse base station module measures the distance between the base stations by using the flight time of the signals back and forth between the two ranging base stations.

Preferably, in the arithmetic control system: the wireless pulse base station can acquire signals sent by the wireless pulse base station, a spatial function relation is established for the acquired information, and the operation control system is electrically connected with the wireless pulse system.

Preferably, in the wireless transmission system: the method can collect signals sent by the wireless pulse base stations, and transmit the collected signals to the operation control system, wherein the wireless pulse base stations are connected in a wireless transmission mode.

Preferably, in the execution system: the alarm system can be responsible for implementing the instruction sent out in the operation control system and calculating and outputting alarm information, and the execution system is electrically connected with the operation control system.

Preferably, in the alarm display system:

(1) the distance can be processed according to the length of the back-and-forth flight time between the two ranging base stations, and if the flight distance is smaller than the safe distance, the operation control system can send an instruction;

(2) the alarm display system is used for displaying the current distance and position information in real time, and the alarm display system is electrically connected with the operation control system and the execution system.

Compared with the prior art, the invention has the following beneficial effects:

1. through the matching use of the signal acquisition system, the operation control system and the wireless transmission system, a worker can install the wireless pulse ranging base station on a plurality of cranes in the same workshop, the wireless base station in the area can receive and calculate the position information of other base stations as long as the wireless base station is not blocked, and the actual position of each crane in the area can be calculated through the operation system, so that the purposes of positioning and collision avoidance are achieved.

2. The invention can make the system have space three-dimensional property by matching the operation control system and the execution system, can carry out networking ranging in the same area, makes up the defect that the laser or ultrasonic anti-collision system can only carry out linear or plane ranging so as to cause that real-time ranging cannot be carried out in the upper space and the lower space, and further makes the system have stronger applicability.

3. According to the invention, through the arrangement of the alarm display system, when the cranes associated in the same area perform space cross operation, the system can effectively play an active or passive anti-collision early warning function through the matching use of the operation control system, the execution mechanism and the alarm display system, so that the applicability of the system is improved.

Drawings

FIG. 1 is a flow chart of the structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, three embodiments of the present invention provide a wireless pulse ranging collision avoidance system for a crane;

the first embodiment is as follows:

firstly, a signal acquisition system:

(1) the staff can install the wireless pulse ranging base station on a crane in the same workshop and then access the system to a power supply;

(2) sending out signals through a wireless pulse base station, wherein the wireless pulse base station module measures the distance between the base stations by using the flight time of the signals going back and forth between two ranging base stations;

II, operation control system:

(1) the operation control system can collect signals sent by the wireless pulse base station and establish a spatial function relation with the collected information;

(2) calculating the actual position of each crane in the area through the operation system;

thirdly, wireless transmission system:

(1) the wireless transmission system can collect the signals sent by the wireless pulse base station;

(2) as long as the wireless base station in the area is not blocked, the wireless base station can receive and calculate the position information of other base stations, so that the system has good stability;

(3) transmitting the collected signals to an operation control system;

fourthly, executing the system:

after the operation control system finishes processing the collected signals, the signals can be transmitted to an execution system, and the execution system can be responsible for executing instructions sent by the operation control system and calculating and outputting alarm information;

fifthly, an alarm display system:

(1) the operation control system can process according to the distance of the back-and-forth flight time between the two ranging base stations, if the flight distance is smaller than the safe distance, the operation control system sends an instruction to the execution system, and the execution system calculates and outputs alarm information so as to start alarming;

(2) the alarm display system is used for displaying the current distance and position information in real time;

(3) the active or passive anti-collision early warning function can be effectively realized.

Example two:

firstly, a signal acquisition system:

(1) the staff can install the wireless pulse ranging base station on a plurality of cranes in the same workshop and then access the system to a power supply;

(2) sending out signals through a plurality of wireless pulse base stations, wherein a wireless pulse base station module measures the distance between the base stations by using the flight time of the signals going back and forth between two ranging base stations;

II, operation control system:

(1) the operation control system can collect signals sent by the wireless pulse base station and establish a spatial function relation with the collected information;

(2) calculating the actual position of each crane in the area through the operation system;

thirdly, wireless transmission system:

(1) the wireless transmission system can collect the signals sent by the wireless pulse base station;

(2) as long as the wireless base station in the area is not blocked, the wireless base station can receive and calculate the position information of other base stations, so that the system has good stability;

fourthly, executing the system:

after the operation control system finishes processing the collected signals, the signals can be transmitted to an execution system, and the execution system can be responsible for executing instructions sent by the operation control system and calculating and outputting alarm information;

fifthly, an alarm display system:

(1) the operation control system can process according to the distance of the back-and-forth flight time between the two ranging base stations, if the flight distance is smaller than the safe distance, the operation control system sends an instruction to the execution system, and the execution system calculates and outputs alarm information so as to start alarming;

(2) the alarm display system is used for displaying the current distance and position information in real time;

(3) the active or passive anti-collision early warning function can be effectively realized.

Example three:

firstly, a signal acquisition system:

(1) the staff can install the wireless pulse ranging base station on a plurality of cranes in different workshops on the same plane, and then the system is connected to a power supply;

(2) sending out signals through a plurality of wireless pulse base stations, wherein a wireless pulse base station module measures the distance between the base stations by using the flight time of the signals going back and forth between two ranging base stations;

II, operation control system:

(1) the operation control system can collect signals sent by the wireless pulse base station and establish a spatial function relation with the collected information;

(2) calculating the actual position of each crane in the area through the operation system;

thirdly, wireless transmission system:

(1) the wireless transmission system can collect the signals sent by the wireless pulse base station;

(2) as long as the wireless base station in the area is not blocked, the wireless base station can receive and calculate the position information of other base stations, so that the system has good stability;

fourthly, executing the system:

after the operation control system finishes processing the collected signals, the signals can be transmitted to an execution system, and the execution system can be responsible for executing instructions sent by the operation control system and calculating and outputting alarm information;

fifthly, an alarm display system:

(1) the operation control system can process according to the distance of the back-and-forth flight time between the two ranging base stations, if the flight distance is smaller than the safe distance, the operation control system sends an instruction to the execution system, and the execution system calculates and outputs alarm information so as to start alarming;

(2) the alarm display system is used for displaying the current distance and position information in real time;

(3) the active or passive anti-collision early warning function can be effectively realized.

Example four:

firstly, a signal acquisition system:

(1) the staff can install the wireless pulse ranging base station on a plurality of cranes in different planes and different workshops and then access the system to a power supply;

(2) sending out signals through a plurality of wireless pulse base stations, wherein a wireless pulse base station module measures the distance between the base stations by using the flight time of the signals going back and forth between two ranging base stations;

II, operation control system:

(1) the operation control system can collect signals sent by the wireless pulse base station and establish a spatial function relation with the collected information;

(2) calculating the actual position of each crane in the area through the operation system;

thirdly, wireless transmission system:

(1) the wireless transmission system can collect the signals sent by the wireless pulse base station;

(2) as long as the wireless base station in the area is not blocked, the wireless base station can receive and calculate the position information of other base stations, so that the system has good stability;

fourthly, executing the system:

after the operation control system finishes processing the collected signals, the signals can be transmitted to an execution system, and the execution system can be responsible for executing instructions sent by the operation control system and calculating and outputting alarm information;

fifthly, an alarm display system:

(1) the operation control system can process according to the distance of the back-and-forth flight time between the two ranging base stations, if the flight distance is smaller than the safe distance, the operation control system sends an instruction to the execution system, and the execution system calculates and outputs alarm information so as to start alarming;

(2) the alarm display system is used for displaying the current distance and position information in real time;

(3) the active or passive anti-collision early warning function can be effectively realized.

Through the four embodiments, the wireless pulse ranging module is respectively installed on one crane in the same workshop, the wireless pulse ranging module is installed on a plurality of cranes in different workshops on the same plane, and the wireless pulse ranging module is installed on a plurality of cranes in different workshops on different planes, so that the system can respectively realize one-to-one ranging, one-to-many ranging and many-to-many ranging, and can realize the working effect of not only carrying out linear or planar ranging, but also carrying out real-time ranging in the upper space and the lower space, and further has stronger applicability when being actually used, and is worthy of popularization.

The actual positions of all cranes in the area can be calculated by matching and using the signal acquisition system, the wireless transmission system and the operation control system, so that the purposes of positioning and collision avoidance are achieved, base station signals are transmitted by a common 485 bus, the openness is strong, and the requirement of a particularly complex acquisition module for achieving a distance measurement effect is avoided; by the matching use of the operation control system and the execution system, the system has space three-dimensional property, can perform networking ranging in the same area, makes up the defect that the laser or ultrasonic anti-collision system can only perform linear or planar ranging so as to cause the real-time ranging in the upper space and the lower space, and further has stronger applicability; through the setting of the alarm display system, when the cranes related to the same area perform space cross operation, the system can effectively play an active or passive anti-collision early warning function through the matching use of the operation control system, the execution mechanism and the alarm display system, thereby improving the applicability of the system.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.