WO2023040760A1

WO2023040760A1 - Cable conveying system

Info

Publication number: WO2023040760A1
Application number: PCT/CN2022/118028
Authority: WO
Inventors: 殷立楠; 黄桂宏; 全伟
Original assignee: 天泽电力(江苏)有限公司
Priority date: 2021-09-18
Filing date: 2022-09-09
Publication date: 2023-03-23
Also published as: CN115838094A

Abstract

A cable conveying system, which is applied to the technical field of engineering equipment. The system comprises a control system, a conveying system and a monitoring system. The conveying system is used for transporting a cable, the monitoring system collects tractive forces borne by the cable when the conveying system transports the cable, and the control system is separately connected to the conveying system and the monitoring system. The control system controls the conveying system to convey the cable, and may thus automatically convey the cable by means of the cable conveying system, which reduces manpower utilization and conserves manpower to a certain degree, while increasing the efficiency of cable conveying, thereby meeting production requirements.

Description

A cable delivery system

technical field

This application claims the priority of the domestic application with the application number 202111109744.3 and the title of the invention "a cable transmission system" submitted to the China Patent Office on September 18, 2021, the entire contents of which are incorporated in this application by reference.

Background technique

In the process of engineering construction, laying connecting cables between electrical equipment is an essential work. Due to the long distance between the equipment in most cases and the heavy weight of the cables, the workload of laying cables is often very large. .

In the prior art, the cable laying work is mostly done by manual dragging. This cable transportation method will inevitably consume a lot of manpower, especially in the scene where the construction personnel are inconvenient, such as underground, not only the manpower consumption is large, but also the line The cable conveying efficiency is extremely low, and it is difficult to meet the production requirements.

Contents of the invention

In view of this, the purpose of the present invention is to provide a cable conveying system to realize the automatic conveying of cables, while saving manpower, improve the efficiency of cable conveying and meet the production requirements. The specific scheme is as follows:

The cable conveying system provided by the present invention includes: a control system, a conveying system and a monitoring system, wherein,

The transmission system transmission cable;

The monitoring system collects the traction force borne by the cable during the transmission of the cable by the conveying system;

The control system is respectively connected with the delivery system and the monitoring system;

The control system controls the conveying system to convey the cable and acquire the traction force borne by the cable.

Optionally, the delivery system includes an active delivery device and a passive delivery device, wherein,

The active conveying device and the passive conveying device are arranged along the conveying direction of the cable.

Optionally, the active delivery device includes:

cable conveyor;

Alternatively, at least one driving guide wheel;

Alternatively, a cable conveyor and at least one drive pulley;

The passive conveying device comprises at least one passive guide wheel.

Optionally, when the active conveying device includes a plurality of the active guide wheels, and the passive conveying device includes a plurality of the passive guide wheels, the active guide wheel and the passive guide wheel The transmission direction of the above-mentioned cables is set at intervals.

Optionally, the control system includes: at least one sub-control box and a monitoring box, wherein,

Each sub-control box is connected to the conveying system respectively;

The monitoring box is connected with the monitoring system.

Optionally, the control system also includes: a master control box, wherein,

The main control box is respectively connected with each of the sub-control boxes and the monitoring box in communication.

Optionally, the sub-control box includes a sub-control panel;

The sub-control box controls the operation of the conveying system according to the control signal output by the main control box or the sub-control panel.

Optionally, the general control box includes a main control module, a communication module, a main protection module, a main control panel and a main alarm module;

The communication module, the main protection module, the main control panel and the main alarm module are respectively connected to the main control module;

The sub-control box includes a sub-control module, a sub-protection module, a sub-alarm module and a sub-control panel;

The sub-protection module, the sub-alarm module and the sub-control panel are respectively connected to the sub-control module.

Optionally, the monitoring system includes at least one force-measuring guide wheel.

Optionally, the cable delivery system provided by any one of the above-mentioned items of the present invention further includes: a cable car for storing the cables.

The cable conveying system provided by the present invention includes a control system, a conveying system and a monitoring system. The conveying system is used to transmit cables. The monitoring system collects the traction force borne by the cables during the conveying system. The system is connected with the monitoring system, and the control system controls the conveying system to convey the cable. The cable conveying system provided by the present invention can realize the automatic conveying of the cable, reduce manual occupation to a certain extent, save manpower, and at the same time improve the Conveying efficiency to meet production requirements.

Further, the control system obtains the traction force borne by the cable, so as to record the force condition of the cable during the cable transportation process, which can be used as calibration data.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are For some embodiments of the present invention, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural block diagram of a cable conveying system provided by an embodiment of the present invention;

Fig. 2 is a structural block diagram of another cable delivery system provided by an embodiment of the present invention;

Fig. 3 is a structural block diagram of another cable conveying system provided by an embodiment of the present invention;

Fig. 4 is a structural block diagram of another cable conveying system provided by an embodiment of the present invention;

Fig. 5 is a structural block diagram of another cable delivery system provided by an embodiment of the present invention;

Fig. 6 is a schematic diagram of the connection relationship between a sub-control box and a driving guide wheel provided by an embodiment of the present invention;

Fig. 7 is a schematic diagram of an application scenario of a cable transport system provided by an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to Fig. 1, Fig. 1 is a structural block diagram of a cable conveying system provided in an embodiment of the present invention. The cable conveying system provided in this embodiment includes: a control system, a conveying system and a monitoring system, wherein,

The transmission system is mainly used to transmit cables. In practical applications, the transmission system needs to be set according to specific application scenarios and cable transmission requirements to realize the transmission of the cables to be transmitted in the expected transmission direction. It can be imagined that during the transmission process, the main weight of the cable to be transmitted is borne by the transmission system. Therefore, the transmission system in the cable transmission system provided by each embodiment of the present invention should be combined with the actual application process. Structural design is carried out according to the type and unit weight of the cables that may be transported in order to meet the basic mechanical strength requirements.

The monitoring system is used to collect the traction force on the cable during the transmission process of the conveying system, and further feed back the collected results to the control system.

The control system is respectively connected with the conveying system and the monitoring system. The control system is mainly used to control the working process of the conveying system to complete the conveying of the cables. At the same time, it is also used to obtain the traction force on the cables fed back by the monitoring system.

Optionally, in the process of controlling the work of the conveying system, the control system can not only realize the start and stop control of the conveying process, but also realize the control functions such as forward and backward of the conveying system, and adjust the conveying speed; for the monitoring system feedback cable To withstand the traction force, while the control system obtains and stores the traction force information, it can also display the real-time traction force through the display module, so that the construction personnel can know the status of the cable transmission in time.

Further, the control system can also control the operation process of the conveying system according to the traction force of the obtained cable, for example, when the traction force is greater than the first preset traction force threshold, reduce the conveying speed or make an emergency stop; correspondingly, when the traction force is less than the first preset traction force threshold In the case of two preset traction force thresholds, increase the conveying speed, etc. Of course, it is conceivable that the second preset traction force threshold is smaller than the first preset traction force threshold.

The specific composition of the control system, as well as other functions that can be realized, will be developed in the follow-up content, and will not be described in detail here.

To sum up, the cable conveying system provided by the embodiment of the present invention can realize automatic conveying of cables, reduce manual occupation to a certain extent, save manpower, and at the same time improve cable conveying efficiency and meet production requirements.

The conveying process can also be controlled according to the relationship between the traction force and the preset traction force threshold, so as to improve the safety of the cable conveying process and avoid damage to the cable.

Optionally, refer to FIG. 2. FIG. 2 is a structural block diagram of another cable conveying system provided by an embodiment of the present invention. On the basis of the embodiment shown in FIG. 1, this embodiment further provides a conveying system and a control system specific structure.

Specifically, the delivery system includes an active delivery device and a passive delivery device. Among them, the active conveying device refers to a device that can provide a driving force for the cable during the cable conveying process and drive the cable along the conveying direction. In practical applications, the active conveying device is often equipped with a power device such as a driving motor. Correspondingly, the passive conveying device mainly plays the role of sharing the weight of the cable during the cable conveying process, and does not have the function of providing the driving force of the cable. In practical applications, the active conveying device and the passive conveying device need to be arranged along the conveying direction of the cable.

The control system includes a main control box, at least one sub-control box (one is shown in FIG. 2 ) and a monitoring box. The main control box is respectively connected to the sub-control boxes and the monitoring box. The specific connection method can be a wired communication connection based on communication lines such as optical fibers, or a wireless communication connection based on any wireless communication method in the prior art. , the present invention does not limit the specific implementation of the communication connection between the main control box and each sub-control box and monitoring box.

Each sub-control box is connected to the conveying system respectively. As mentioned above, when the conveying system includes the active conveying device and the passive conveying device, since the operation process of the passive conveying device does not need to be controlled, only the active conveying device needs to be equipped with corresponding The sub-control box can be used to control the working process of the active conveying device through the sub-control box.

Further, the monitoring box is connected with the monitoring system to obtain the traction force data collected by the monitoring system. Optionally, the monitoring system can be implemented based on at least one force-measuring guide wheel. In practical application, according to the direction of cable transmission and the specific arrangement of the transmission system. Place the force-measuring guide wheel at a position where the traction force borne by the cable can be accurately collected. For the case of multiple force-measuring guide wheels, the force-measuring guide wheel can be scattered at multiple positions on the cable transmission path, so that The traction force at different positions of the cable is collected. It should be noted that the specific structure and type selection of the force-measuring guide wheel can be realized based on the existing technology, which is not limited in the present invention, and all force-measuring guide wheels that can meet the requirements for traction collection are optional.

Optionally, the total control box includes components such as a main control module, a communication module, a main protection module, a main control panel, and a main alarm module, and the functional modules such as the communication module, the main protection module, the main control panel, and the main alarm The control module is connected to realize functions such as leakage protection, sound and light alarm, recording and exporting cable laying data (recording traction force). Control functions of each sub-control box. Of course, considering that the cable conveying system may be applied in a humid environment such as underground or even in an open-air environment, the main control box adopts a dustproof and waterproof structure.

Optionally, similar to the structure of the main control box, the sub-control box includes a sub-control module, a sub-protection module, a sub-alarm module and a sub-control panel, and the sub-protection module, sub-alarm module and sub-control panel are respectively connected to the sub-control module. Through the corresponding components, the sub-control box can realize the alarm function of sound and light alarm, leakage protection and other protection functions. At the same time, the sub-control box can also control the operation of the conveying system according to the control signal output by the main control box or its own sub-control panel. Furthermore, the setting of the overall control of the main control box and the independent control of the sub-control box itself can be realized, and specific control modes such as inching and linkage can also be realized, which is convenient for operators to choose flexibly according to the actual situation of the construction site.

Further, the sub-control panel is also provided with a corresponding display device for displaying information such as the operating voltage and operating current of the system.

Optionally, the active conveying device has various configurations, and may include only a cable conveyor, or include at least one active guide wheel, or include a cable conveyor and at least one active guide wheel. The passive conveying device then includes at least one passive guide wheel. In practical applications, it is necessary to flexibly select the specific composition of the conveying system according to the actual application scenario, the rules of the cables to be conveyed, and the unit weight.

It should be noted that the driving guide wheel mentioned in the present invention refers to a guiding device that can provide driving force to transport cables, and a driving motor is arranged inside it, which can transport cables independently or in cooperation with a cable conveyor; the corresponding , There is no driving motor inside the passive guide wheel, which mainly plays the role of sharing the weight of the cable and constructing the cable transmission path.

As shown in Fig. 3, the active conveying device includes a cable conveyor and a plurality of active guide wheels, and the passive conveying device includes a plurality of passive guide wheels. In order to realize the control of the conveying system, the cable conveyor and each active guide wheel correspond to a sub-control box respectively. Combining with the introduction of the control system in the foregoing content, each sub-control box can be controlled through the main control box, and then the line The cable conveyor and each active guide wheel are controlled; the corresponding active conveying device can also be controlled through each sub-control box.

The cable conveying system provided by the embodiment shown in FIG. 3 is mainly suitable for long-distance cable laying in some conveying environments with limited space, and the transportation and layout are convenient.

In the embodiment shown in Figure 4, the active conveying device includes a plurality of active guide wheels, excluding the cable conveyor, the composition and specific control functions of the control system are similar to the embodiment shown in Figure 3, and will not be repeated here . The cable conveying system provided in this embodiment only relies on a plurality of active guide wheels to realize cable conveyance, and is suitable for application scenarios where the cable conveying space is narrow and the conveying distance is short.

Moreover, on the basis of the embodiment shown in Figure 4, the setting of the general control box can also be cancelled, and only the sub-control box controls the driving guide wheel, which is also feasible.

Further, it can be seen from the embodiment shown in Fig. 3 and Fig. 4 that, in the case that the active conveying device includes a plurality of active guide wheels, and the passive conveying device includes a plurality of passive guide wheels, the active guide wheel and the passive guide wheel are along the The transmission direction of the cables is set at intervals to effectively drive the cables and balance the pulling force of the cables.

As shown in Figure 5, the active conveying device only includes a cable conveyor, the passive conveying device includes multiple passive guide wheels, and only one wind control box for controlling the cable conveyor is provided in the control system. The cable conveying system provided in this embodiment is suitable for long-distance cable laying in an open environment.

Optionally, the setting of the main control box in the control system can be further canceled, and only the corresponding sub-control box controls the cable conveyor, which is used for the laying of short-distance cables in an open environment.

It should be noted that, in each of the above embodiments, if the transmission distance of the cable is relatively short and the force on the cable is not likely to fluctuate, the setting of the force-measuring guide wheel and the corresponding monitoring box can also be cancelled.

Optionally, as an optional implementation, any sub-control box can control at least one active guide wheel, and when the sub-control box controls multiple active guide wheels, the connection mode between the sub-control box and each active guide wheel can be See Figure 6. The sub-control box is connected to the corresponding driving guide wheel through a plurality of junction boxes, and, in order to meet the requirements of the humid working environment, between the sub-control box and the junction box, between the junction box and the driving guide wheel, are all waterproof Connectors are connected. As for the specific structure of the junction box, it can be implemented in combination with existing technologies, which is not limited in the present invention.

Optionally, refer to FIG. 7 . FIG. 7 is a schematic diagram of an application scenario of a cable conveying system provided by an embodiment of the present invention. Through the cable conveying system provided by an embodiment of the present invention, underground transportation of cables is realized.

In this embodiment, the cable conveying system also includes a cable car, and the cable to be transported is stored on the cable car, and the cable enters the underground through the entrance. Through the cooperation of the cable conveyor, the active guide wheel and the passive guide wheel, Downhole transportation. Of course, in the embodiment shown in FIG. 7 , the specific configuration of the control system is not shown, and reference may be made to the foregoing content, which will not be repeated here. In practical applications, considering that the cable conveyor is often large in size and cannot be transported in the tunnel, it is installed near the wellhead. The transmission of the cable in the mine is mainly completed by the active guide wheel and the passive guide wheel. The cable moves along the conveying direction.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for the related information, please refer to the description of the method part.

Professionals can further realize that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, computer software or a combination of the two. In order to clearly illustrate the possible Interchangeability, in the above description, the components and steps of each example have been generally described according to their functions. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

The steps of the methods or algorithms described in connection with the embodiments disclosed herein may be directly implemented by hardware, software modules executed by a processor, or a combination of both. Software modules can be placed in random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other Any other known storage medium.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

A test device for a transponder C interface, characterized in that it includes a host computer and a lower computer, the upper computer is provided with a first information interaction interface, and the lower computer is provided with a second information interaction interface and a third information interaction interface ,in:

The first information interaction interface is used to send control commands and messages to the lower computer, and is also used to receive feedback information returned by the lower computer. The upper computer is also provided with a display module, and the display module is used for display said feedback information;

The second information interaction interface is connected to the first information interaction interface, and is used to receive the control command and/or the message, and send the feedback information to the first information interaction interface;

The third information exchange interface is connected to the C interface of the transponder to be tested, and is used for sending a C interface signal to the transponder and receiving the feedback information returned by the transponder.
The testing device according to claim 1, wherein the feedback information includes command execution and/or C4 signal detection.
The test device according to claim 1, wherein the control command includes a single message sending command, a cyclic message sending command, an uninterrupted message sending command, a sequence message sending command, and closing/opening C1 Signal command and turn off and turn on some or all of the C6 signal command, C1 signal amplitude level, and C6 signal amplitude level.
The test device according to claim 1, wherein the lower computer includes a communication module, a logic processing module, a C1 signal digital potentiometer module, a C1 signal amplification module, a C6 signal generation module, a C6 signal digital potentiometer module, C6 signal amplification module and C interface signal coupling module, wherein:

The communication module is provided with a first communication port, the communication port is used as the second information interaction interface, and the communication module is also connected to the logic processing module;

The logic processing module is also respectively connected with the C1 signal digital potentiometer module, the C1 signal amplification module, the C6 signal generation module, and the C6 signal digital potentiometer module;

The C1 signal digital potentiometer module is also connected to the C1 signal amplification module;

The C1 signal amplification module is also connected to the C interface signal coupling module and the logic processing module respectively;

The C6 signal generation module is also connected to the C6 signal amplification module;

The C6 signal digital potentiometer module is also connected with the C6 signal amplification module;

The C6 signal amplification module is also connected to the C interface signal coupling module and the logic processing module respectively;

The C-interface signal coupling module is provided with a second communication port, and the second communication port is used as the third information exchange interface.
The test device according to claim 4, wherein the communication module is used for information interaction with the upper computer, for receiving the control command and the message;

The logic processing module is configured to perform DBPL encoding on the message according to the DBPL encoding rules after receiving the control command and the message forwarded by the communication module, and send the obtained DBPL code to the C1 signal The amplification module is also used to send an enable signal to the C6 signal generating module, and is also used to control the DBPL code output and output the C6 signal enable signal according to the control command, so as to realize the closing or opening of the C1 signal and the C6 signal, It is also used for rechecking the C1 signal and the C6 signal, for obtaining the status of the C1 and C6 signals, and for obtaining the state of the C1/C6 signal amplitude level and the C1 signal and the C6 signal in the control command. Check the C6 signal, adjust the level of the C1 signal digital potentiometer module and/or the C6 signal digital potentiometer module, and change the amplitude of the C1 signal and C6 signal;

The C1 signal digital potentiometer module is used to output a DC bias voltage to the C1 signal amplification module;

The C1 signal amplification module is used to amplify the power of the DBPL code after receiving the DBPL code and the DC bias voltage, and output it to the C interface signal coupling module;

The C6 signal generation module is used to generate the C6 signal through the DDS chip after receiving the C6 enabling signal, and output the C6 signal to the C6 signal amplification module;

The C6 signal digital potentiometer module is used to output a bias voltage to the C6 signal amplification module;

The C6 signal amplification module is used to amplify the power of the C6 interface signal through a triode amplifier circuit after receiving the C6 interface signal and the DC bias voltage, and output it to the C interface signal coupling module;

The C-interface signal coupling module is used to couple the C1 signal and the C6 signal in a transformer coupling manner to form the C-interface signal and output it externally.
The test device according to claim 4, wherein the lower computer also includes a C4 signal detection module, wherein:

The C4 signal detection module is also connected to the logic processing module.
The testing device according to claim 6, wherein the C4 signal detection module is used to collect the C4 signal from the transponder and transmit it to the logic processing module.
The testing device according to claim 7, wherein the logic processing module is also used to receive the C4 signal and feed it back to the host computer.