CN111287442A - Intelligent communication fault warning system and method for climbing frame - Google Patents
Intelligent communication fault warning system and method for climbing frame Download PDFInfo
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- CN111287442A CN111287442A CN202010078103.5A CN202010078103A CN111287442A CN 111287442 A CN111287442 A CN 111287442A CN 202010078103 A CN202010078103 A CN 202010078103A CN 111287442 A CN111287442 A CN 111287442A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
- H04L43/103—Active monitoring, e.g. heartbeat, ping or trace-route with adaptive polling, i.e. dynamically adapting the polling rate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G2005/008—Hoisting devices specially adapted as part of a scaffold system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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Abstract
The embodiment of the invention provides a system and a method for alarming a climbing frame intelligent communication fault. The system comprises a main control box, a plurality of branch control boxes and a plurality of communication modules, wherein the main control box is used for sending heartbeat packets to the plurality of branch control boxes through a CAN bus at fixed time intervals, setting response waiting time, and judging whether the communication between the branch control boxes and the main control box breaks down or not according to whether response messages corresponding to the branch control boxes are received or not in the response waiting time; when the communication between the sub-control box and the main control box is judged to be in fault, sending an equipment shutdown instruction and an alarm signal to the sub-control box; the sub-control box is used for monitoring heartbeat packets on the CAN bus, identifying the heartbeat packets matched with the sub-control box and feeding back response messages to the main control box; and after receiving the equipment halt instruction, controlling the equipment to halt and giving an alarm. In this way, when an emergency such as communication interruption occurs, judgment is made in time and response is immediately given, and huge loss caused by untimely discovery of the emergency is avoided.
Description
Technical Field
Embodiments of the present invention relate generally to the field of intelligent control of a rack climbing system, and more particularly, to an intelligent communication fault warning system and method for a rack climbing system.
Background
The climbing frame is also called a lifting frame, and can be classified into hydraulic, electric, manual and hand-pulling types according to its power source. The scaffold is a novel scaffold system developed in recent years and is mainly applied to high-rise shear wall type floors. It can climb up or down along the building. This system makes the scaffold technology completely improved: firstly, the frame does not need to be turned over; and secondly, the scaffold is free from the dismounting and mounting procedures (the scaffold is used until the construction is finished after one-time assembly), and is not limited by the height of a building, so that the manpower and the materials are greatly saved. And also has a great improvement on the traditional scaffold in the safety angle. In the field of high-rise building construction, a climbing frame is an indispensable building construction facility.
The conventional climbing frame can cause communication interruption, equipment failure and other emergencies in the working process, and when the emergencies occur, a system cannot timely judge the emergencies and immediately respond to the emergencies, so that huge engineering loss or casualties are caused.
Disclosure of Invention
According to the embodiment of the invention, an intelligent communication fault warning scheme for a climbing frame is provided.
In a first aspect of the invention, a rack-climbing intelligent communication fault warning system is provided. The system comprises:
the main control box is used for sending heartbeat packets to the plurality of sub-control boxes through the CAN bus at fixed time intervals, and the heartbeat packets comprise sub-control box identification information for identification; the system comprises a main control box, a branch control box and a slave control box, wherein the main control box is used for setting response waiting time, judging that if a response message corresponding to the branch control box is received in the response waiting time, the communication state of the main control box and the branch control box is normal, and continuously sending a heartbeat packet to the branch control box for polling after waiting for a time interval; if the response messages corresponding to the sub-control boxes are not received within the response waiting time, continuously sending heartbeat packets to the sub-control boxes for polling after waiting for the time interval, and if the times of not receiving the response messages reach the preset response times, judging that the communication between the sub-control boxes and the main control box is in fault; the system is also used for sending an equipment shutdown instruction and an alarm signal to the sub-control box after judging that the communication between the sub-control box and the main control box is in fault;
the sub-control box is used for monitoring heartbeat packets on the CAN bus, identifying the heartbeat packets matched with the sub-control box and feeding back response messages to the main control box; and the control device is also used for controlling the equipment to stop and giving an alarm after receiving the equipment stop instruction.
Further, the fixed time interval is greater than the response latency.
Furthermore, the main control box is connected with a plurality of groups of machine positions, each group of machine positions comprises a plurality of adjacent machine positions, each machine position comprises a sub-control box connected with the main control box, and the main control box receives data returned by the sub-control boxes and controls each group of machine positions independently.
Furthermore, the main control box comprises a main control box body, a touch display screen, a plurality of mechanical switches, a switch assembly and a main control box electric control board;
the main control box comprises a main control box shell and a main control box panel, wherein the main control box shell is provided with a containing cavity with an opening at the front side, the main control box panel is arranged at an opening at the front side of the main control box shell, and a first mounting hole, a plurality of second mounting holes and a third mounting hole are formed in the main control box panel; the touch display screen is embedded at the first mounting hole and used for receiving the operation of a user so as to collect the input information of the user, and the touch display screen is also used for displaying related information; the plurality of mechanical switches are correspondingly arranged at the plurality of second mounting holes one by one, and comprise lifting switches, start-stop switches, power switches and emergency stop switches; the electric brake component is arranged at the third mounting hole; the main control box electric control board is arranged between the shell of the main control box and the panel of the main control box; the outer surface of the main control box panel comprises a first step surface and a second step surface which are arranged in a stepped manner, the distance between the first step surface and the outer end surface of the box shell is smaller than the distance between the second step surface and the outer end surface of the main control box shell, the first mounting hole is formed in the first step surface, and the second mounting hole and the third mounting hole are formed in the second step surface; the part of the cover plate corresponding to the touch display screen is of a transparent structure.
Further, the master control box electric control board comprises:
the microprocessor is connected with the sub-control boxes of the multiple groups of machine positions, is connected with a timer and is used for sending a polling query instruction to the sub-control boxes through a wireless communication device at a fixed time interval, and acquiring and storing one or more items of data from the sub-control boxes, wherein the one or more items of data comprise load data, altitude data, displacement data and fault data of each machine position;
the communication control module is used for receiving a polling query instruction, acquiring corresponding project data from the sub-control box according to the content of the polling query instruction, and sending the project data to the project data acquisition device;
the Bluetooth module is used for being wirelessly connected with the Bluetooth module of the branch control box through Bluetooth;
and the timer is used for sending out a clock signal when a fixed time interval is reached.
Further, the branch control box includes:
the branch control box comprises a branch control box shell and a branch control box panel, the branch control box shell is provided with a containing cavity with an opening at the front side, the branch control box panel is installed at the opening at the front side of the branch control box shell, and a first installation hole, a plurality of second installation holes and a third installation hole are formed in the branch control box panel; the bottom of the shell of the sub-control box is also provided with a first socket, a second socket and a third socket; the outer surface of the sub-control box panel comprises a first step surface and a second step surface which are arranged in a stepped manner, the distance between the first step surface and the outer end surface of the sub-control box shell is smaller than the distance between the second step surface and the outer end surface of the sub-control box shell, the first mounting hole is formed in the first step surface, and the second mounting hole and the third mounting hole are formed in the second step surface;
the touch display screen is embedded at the first mounting hole and used for receiving the operation of a user so as to collect the input information of the user, and the touch display screen is also used for displaying related information;
the mechanical switches are correspondingly arranged at the second mounting holes one by one, and comprise a lifting switch, a start-stop switch, a power switch and an emergency stop switch;
the electric brake component is arranged at the third mounting hole;
and the sub-control box electric control board is arranged in the sub-control box body.
Further, the branch control box electric control board comprises:
the microprocessor is connected with the mechanical switch, receives a control instruction of the mechanical switch, converts the control instruction into a control signal and sends the control signal to the communication control module;
the communication control module is connected with the microprocessor, is in wired connection with an external sensor through a first socket, and receives sensor data of the external sensor and transmits the sensor data back to the microcontroller; the communication control module is in wired connection with the main control box through a second socket, receives the query instruction of the main control box and transmits the corresponding sensor data back to the main control box; the communication control module is connected with the electric hoist through a third socket, receives a control signal sent by the microprocessor, sends the control signal to the electric hoist and controls the motion state of the electric hoist;
the signal receiving module is connected with the microprocessor, is wirelessly connected with the signal transmitting unit of the external handheld remote control terminal which is uniquely corresponding, receives the remote control signal of the external handheld remote control terminal which is uniquely corresponding and transmits the remote control signal to the microprocessor;
the Bluetooth module is connected with the microprocessor and is used for being wirelessly connected with the Bluetooth module of the master control box through Bluetooth;
the first socket and the second socket are five-core sockets, the plugging end of each five-core socket is exposed outside the sub-control box and is used for being plugged with a five-core plug, the five-core plug is connected with one end of a five-core cable, the five-core cable comprises 3 three-phase power lines, 1 signal line and 1 ground line, and the other end of the five-core cable corresponding to the first socket is connected with an external sensor; the other end of the five-core cable corresponding to the second socket is connected with the second sockets of the external main control box and other sub-control boxes; the third socket is a four-core socket, the plugging end of the four-core socket is exposed outside the sub-control box body and is used for being plugged with a four-core plug, the four-core plug is connected with one end of a four-core cable, the four-core cable comprises 3 three-phase power lines and 1 ground line, and the other end of the four-core cable is connected with the electric hoist.
In a second aspect of the invention, a method for alarming a climbing frame intelligent communication fault is provided. The method comprises the following steps:
the method comprises the following steps that a main control box sends heartbeat packets to a plurality of sub-control boxes through a CAN bus at fixed time intervals, wherein the heartbeat packets comprise sub-control box identification information for identification;
the sub-control box monitors heartbeat packets on the CAN bus, identifies heartbeat packets matched with the sub-control box, and feeds back response messages to the main control box;
setting response waiting time of a main control box, judging that if a response message corresponding to a sub-control box is received in the response waiting time, the communication state of the main control box and the sub-control box is normal, and continuing to send a heartbeat packet to the sub-control box for polling after waiting for a time interval; if the response message corresponding to the sub-control box is not received within the response waiting time, continuously sending a heartbeat packet to the sub-control box for polling after waiting for the time interval, and if the frequency of not receiving the response message reaches the preset response frequency, judging that the communication between the sub-control box and the main control box is failed;
and when the communication between the sub-control box and the main control box is judged to be in fault, the main control box sends an equipment halt instruction and an alarm signal to the sub-control box, and the sub-control box controls equipment to halt and gives an alarm after receiving the equipment halt instruction.
The fixed time interval is greater than the response latency.
The alarm signal comprises an acoustic alarm signal and an optical alarm signal.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
The conventional climbing frame can cause communication interruption, equipment failure and other emergencies in the working process, and when the emergencies occur, a system cannot timely judge the emergencies and immediately respond to the emergencies, so that huge engineering loss or casualties are caused.
The invention judges the communication status of the system through polling each sub-control box and responding the status, and makes a judgment in time and immediately responds when the emergency such as communication interruption occurs, thereby avoiding huge loss caused by untimely discovery of the emergency.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
fig. 1 is a system configuration diagram of a rack-climbing intelligent communication fault warning system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of a master control box provided in accordance with an embodiment of the present invention;
FIG. 3 is another schematic view of a partial structure of a master control box provided according to an embodiment of the present invention;
FIG. 4 is still another schematic view of a partial structure of a master control box provided according to an embodiment of the present invention;
FIG. 5 is a schematic view of the construction of the main control cabinet housing of the present invention;
FIG. 6 is a schematic structural diagram of the main control box housing with a mechanical switch of the present invention;
FIG. 7 is another schematic view of the construction of the main control cabinet housing of the present invention;
FIG. 8 is a schematic structural diagram of a panel of a console box provided in accordance with an embodiment of the present invention;
fig. 9 is a structural diagram of a main control box electric control board of the intelligent communication fault warning system for a climbing frame according to the embodiment of the invention;
fig. 10 is a structural diagram of an electric control board of a sub-control box of the intelligent communication fault warning system for a climbing frame according to an embodiment of the invention;
FIG. 11 is a flowchart of a rack-climbing intelligent communication fault warning method according to an embodiment of the present invention;
the main control box comprises a main control box body 1, a main control box shell 12, a 120 accommodating cavity, a 122 fourth mounting hole, a 124 first guide rail, a 126 second guide rail, a 128 third guide rail, a 129 boss, a 14 panel, a 140 first mounting hole, a 142 second mounting hole, a 144 third mounting hole, a 146 first step surface, a 148 second step surface, a 16 cover plate, a 2 touch display screen, a 3 mechanical switch, a 32 emergency stop switch, a 34 button switch, a 4 main control board, a 5 communication control module, a 6 identity verification device, a 7 signal receiver, 8 reading equipment, a 9 current protection switch, a 221 sub-control box touch display screen, a 222 sub-control box mechanical switch, a 223 electric brake component, a 224 first socket, a 225 second socket and a 226 third socket.
Detailed Description
In order to make the objects, 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 with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the invention, the communication condition of the system is judged by polling each sub-control box and responding, and when the emergency such as communication interruption occurs, the judgment is made in time and the response is immediately carried out, thereby avoiding huge loss caused by untimely discovery of the emergency.
Fig. 1 shows a system structure diagram of a rack-climbing intelligent communication fault warning system according to an embodiment of the present invention.
The system comprises:
the main control box is connected with a plurality of groups of machine positions, each group of machine positions comprises a plurality of adjacent machine positions, each machine position comprises a sub-control box connected with the main control box, and the main control box receives data returned by the sub-control boxes and controls each group of machine positions independently.
As an embodiment of the invention, each set of machine positions comprises 3 adjacent machine positions, each machine position comprises a sub-control box, and the three sub-control boxes of the set of machine positions receive control commands of the main control box and control the electric hoist to act together.
The main control box is used for sending heartbeat packages to the plurality of sub control boxes through the CAN bus at fixed time intervals, wherein the plurality of sub control boxes CAN be sub control boxes of the same group of machine positions and CAN also be sub control boxes of different groups of machine positions. The fixed time interval is greater than the response latency. The master control box calculates a fixed time interval through the timer to send the packet, and sets a response waiting time, for example, the fixed time interval is 0.1 second, the response waiting time is 0.08 second, and the fixed time interval is greater than the response waiting time, because the master control box waits for a corresponding response after sending the heartbeat packet, the master control box judges whether the next packet sending condition is received according to whether the response is received, the master control box can judge whether the corresponding condition is received in the corresponding waiting time or not according to the response waiting time smaller than the fixed time interval, and specifically makes whether the packet is continuously sent at the fixed time interval or judges the fault according to the condition.
The heartbeat package comprises sub-control box identification information for identification; for example, the heartbeat packet contains a flag bit for recording the number of the polled slave boxes.
And the master control box is also used for setting response waiting time through a timer, judging that if the response message of the corresponding sub-control box is received in the response waiting time, the communication state of the master control box and the sub-control box is normal, and continuously sending a heartbeat packet to the sub-control box for polling after waiting for a time interval.
As an embodiment of the invention, a fixed time interval is set to be 0.1 second, a response waiting time is set to be 0.08 second, a main control box judges whether a response fed back by a corresponding sub-control box is received within 0.08 second after a heartbeat packet is sent, if so, the communication state of the main control box and the sub-control box is normal, and when the heartbeat packet is sent out, the main control box continues to send the heartbeat packet to the sub-control box and continues to monitor the heartbeat packet.
If the response messages corresponding to the sub-control boxes are not received within the response waiting time, the heartbeat packages are continuously sent to the sub-control boxes for polling after the time interval is reached, and if the times of not receiving the response messages reach the preset response times, the communication between the sub-control boxes and the main control box is judged to be in fault.
As an embodiment of the present invention, the fixed time interval is set to 0.1 second, the response waiting time is set to 0.08 second, and the preset response times are set to 3 times; the main control box judges whether the response fed back by the corresponding sub-control box is received within 0.08 second after the heartbeat packet is sent out, if not, judging that the current response frequency is 1 and less than 3, waiting for the time after sending the heartbeat packet to reach a fixed time interval of 0.1 second, continuously sending the heartbeat packet to the branch control box, and judges whether the response fed back by the corresponding sub-control box is received within 0.08 second after the heartbeat packet is sent out, if not, judging that the current response frequency is 2 and less than 3, waiting for the time after sending the heartbeat packet to reach a fixed time interval of 0.1 second, continuously sending the heartbeat packet to the branch control box, and judges whether the response fed back by the corresponding sub-control box is received within 0.08 second after the heartbeat packet is sent out, if not, judging that the current response times are 3, and judging that the communication between the sub-control box and the main control box has a fault when reaching the preset response times.
And the main control box is also used for sending an equipment shutdown instruction and an alarm signal to the sub-control box after judging that the communication between the sub-control box and the main control box is in failure.
The main control box monitors the communication process between the main control box and the sub-control box by continuously sending heartbeat packet polling, can find communication faults at the first time, and carry out fault equipment shutdown operation at the first time of finding faults, and sends out an alarm at the same time, so that huge loss caused by untimely finding of emergency is avoided.
And the sub-control box is used for monitoring the heartbeat packet on the CAN bus, identifying the heartbeat packet matched with the sub-control box and feeding back a response message to the main control box.
The main control box and the sub control boxes are communicated through the CAN bus, the sub control boxes monitor heartbeat packets on the CAN bus constantly, whether the heartbeat packets are matched with the current sub control boxes is judged through the sub control box numbers of the mark positions in the heartbeat packets, and if the heartbeat packets are matched with the current sub control boxes, response messages are sent to the main control boxes.
And the sub-control box is also used for controlling the equipment to stop and giving an alarm after receiving the equipment stop instruction.
Furthermore, the main control box comprises a main control box body, a touch display screen, a plurality of mechanical switches, a switch assembly and a main control box electric control board;
as shown in fig. 2 to 9, in a first aspect of the present invention, there is provided a rack-climbing dedicated intelligent master control box, which includes a box body 1, a master control screen 2, a plurality of mechanical switches 3, an air switch (not shown in the figure), a master control board 4 and a cover plate 16. Specifically, the method comprises the following steps:
as shown in fig. 2 to 5, the main control box body 1 includes a main control box shell 12, a main control box panel 14 and a cover 16, as shown in fig. 5 and 6, the main control box shell 12 has a receiving cavity 120 with a front side open, the panel 14 is installed at an opening on the front side of the main control box shell 12, as shown in fig. 5 and 8, one end of the main control box panel 14 is provided with a first installation hole 140, and the other end of the main control box panel 14 is provided with a plurality of second installation holes 142 and at least one third installation hole 144; as shown in fig. 2 and 3, the touch display screen 2 is mounted at the first mounting hole 140 in an inlaid manner, and is used for receiving user operations to collect input information of a user, and the touch display screen 2 is also used for displaying relevant information; as shown in fig. 2, 3 and 6, a plurality of mechanical switches 3 are installed at the plurality of second installation holes 142 in a one-to-one correspondence, the plurality of mechanical switches 3 including one or more of a lift switch, a stop switch, a drop switch and an emergency stop switch 32; an air switch (not shown) installed at the at least one third installation hole 144; as shown in fig. 9, the main control board 4 is installed between the main control cabinet case 12 and the panel 14; as shown in fig. 2 and 3, the box 1 further includes a cover 16, one side of which is hinged to the main control box shell 12, the other end of the cover 16 can be opened and closed relative to the main control box panel 14, and when the cover 16 is closed, a receiving space for receiving the main control screen 2, the mechanical switch 3 and the air switch is formed between the cover 16 and the main control box panel 14.
The special intelligent main control box for the climbing frame comprises a box body 1, a touch display screen 2, a plurality of mechanical switches 3, an air switch and a main control board 4, wherein the box body 1 is used as a shell of the special intelligent main control box and used for installing and protecting parts inside the special intelligent main control box, the main control box body 1 comprises a main control box shell 12 and a main control box panel 14, the box shell 12 is provided with a containing cavity 120 with an opening at the front side, and the main control box panel 14 is installed at the opening at the front side of the box shell 12, so that a space for installing the parts such as the main control board 4 and the like can be formed through the main control box shell 12 and the panel 14. The main control screen 2 is installed at the first installation hole 140 of the main control box panel 14 and is used for receiving the operation of a user to realize the functions of parameter setting, information acquisition and the like, meanwhile, the touch display screen 2 is also used for displaying various information of the intelligent main control box special for climbing a rack, such as fault information, communication connection information with the sub-control boxes, state information of each machine position and the like, the plurality of mechanical switches 3 can be one or more switches among lifting, stopping, descending, emergency stop switches 32 and the like, and the lifting, stopping, descending, emergency stop and the like of the intelligent control box can be realized through the mechanical switches 3. And air switch mainly used climbs the power control of the whole intelligent control system of frame, when the machine does not use for a long time, alright will climb the power cut-off of the whole intelligent control system of frame through air switch like this, and need not go the outage of a branch accuse case, alright avoid taking place to leak phenomenon such as outage and take place like this. The main control board 4 is a core part of the whole intelligent main control box, and a plurality of functional modules are arranged on the main control board, so that various functions of the intelligent main control box can be realized. The cover plate 16 is hinged to one side of the box body 1, and can be opened and closed relative to the main control box panel 14 like a door, and when the cover plate 16 is closed, a certain space for accommodating parts on the main control box panel 14 is reserved between the cover plate 16 and the main control box panel 14 of the box body 1, so that the parts on the main control box panel 14 can be prevented from being impacted when the cover plate 16 is closed, and the parts on the main control box panel 14 can be prevented from being impacted by the cover plate 16. This kind of intelligent master control case of structure, the opening part of master control case shell 12 is provided with master control case panel 14, and the master control case panel 14 outside still is provided with apron 16, has just so formed the structure of a double-deck lid at the opening part of case shell 12 to can carry out better protection to master control board 4 etc. in the case shell 12. Specifically, for example, when the intelligent main control box is not used or is carried, the cover plate 16 is closed, so that the main control screen 2, the mechanical switch 3, the air switch and the like mounted on the main control box panel 14 are protected and mounted on the inner side of the cover plate 16, and parts such as the main control screen 2, the mechanical switch 3, the air switch and the like on the main control box panel 14 are prevented from being directly exposed outside, so that the safety indexes of the main control screen 2, the mechanical switch 3, the air switch and the like can be improved, the service lives of the main control screen 2, the mechanical switch 3, the air switch and the like are prolonged, and the probability that parts such as the main control screen 2, the mechanical switch 3, the air switch and the like are damaged by collision in the transportation.
As shown in fig. 2 and 3, the plurality of mechanical switches 3 include an emergency stop switch 32 and a push button switch 34, and the push button switch 34 may be one of a lift switch, a drop switch, a stop switch, a barb switch, an early warning hook switch, and the like.
Further preferably, when the cover 16 is closed relative to the panel 14, the periphery of the cover 16 is in sealing fit with the housing 12, so that the waterproof and dustproof performance of the box 1 can be improved, and the service life of internal parts of the box 1 can be prolonged.
It is further preferred that the top side of housing 12 be provided with a ledge 129, as shown in FIG. 6, and that the outer surface of cover 16 be flush with the outer surface of ledge 129 when cover 16 is closed against panel 14, as shown in FIG. 4. Therefore, the contact position of the box shell 12 and the cover plate 16 on the top can be shielded by the top of the box shell 12, and the waterproof and dustproof performance of the master control box can be improved.
It is further preferable that a partition plate is disposed in the accommodating chamber 120, the partition plate divides the accommodating chamber 120 into two chambers, the first mounting hole 140 is disposed on a portion of the panel 14 corresponding to one chamber, and the plurality of second mounting holes 142 and the third mounting hole 144 are disposed on a portion of the panel 14 corresponding to the other chamber (not shown in this embodiment). This kind of setting can separately place the inside part of intelligent electric cabinet to can prevent the inside part mutual interference of intelligent electric cabinet, thereby make every part normal work separately. Simultaneously, also make the inside line of walking of intelligence master control case more convenient like this, therefore can improve the inside clean and tidy of master control case, therefore be convenient for the maintenance and the maintenance of intelligence master control case later stage. And because the parts are placed in the cavities, when the wiring of a certain part is carried out, the part in the corresponding cavity is accessed with the wire, so that the wiring difficulty can be reduced, and the wiring error rate is reduced.
Preferably, the number of the air switches is two, one air switch is used for controlling the on-off of the power supply of the intelligent main control box and protecting the short circuit, the serious overload and the undervoltage of the intelligent main control box, and the other air switch is used for controlling the on-off of the power supply of all the branch control boxes and protecting the short circuit, the serious overload and the undervoltage of the branch control boxes.
Further preferably, the air switch is a leakage protection air switch.
Further preferably, as shown in fig. 6 and 7, a plurality of mounting rails are provided in the housing 12, and the mounting rails are used for mounting the structure of the internal components of the housing 12, such as the contactors, the air switches, and the main control board 4. Preferably, as shown in fig. 6 and 7, the plurality of mounting rails includes a first rail 124 on which the main control board 4 is mounted, a second rail 126 on which the air switch is mounted, and a third rail 128 on which the contactor is mounted.
On the basis of the above, preferably, as shown in fig. 2, 5 and 8, the outer surface of the panel 14 includes a first step surface 146 and a second step surface 148 which are arranged in a stepped manner, the distance between the first step surface 146 and the outer end surface of the cabinet 12 is smaller than the distance between the second step surface 148 and the outer end surface of the cabinet 12, the first mounting hole 140 is provided on the first step surface 146, and the second mounting hole 142 and the third mounting hole 144 are provided on the second step surface 148.
In this embodiment, the outer surface of the panel 14 includes a first step surface 146 and a second step surface 148 which are arranged in a stepped manner, and the distance between the first step surface 146 and the outer end surface of the cabinet 12 is smaller than the distance between the second step surface 148 and the outer end surface of the cabinet 12, that is, the first step surface 146 is relatively higher and the second step surface 148 is relatively lower. Since the touch display panel 2 is of a relatively flat structure, after being mounted on the first step surface 146, the height of the touch display panel 2 higher than the first step surface 146 is relatively low, and the thicknesses of the mechanical switch 3 and the air switch are relatively thick, so that the first mounting hole 140, i.e., the hole for mounting the touch display panel 2, is formed in the higher first step surface 146, the touch display panel 2 with a relatively thin thickness can be mounted on the higher step surface, and the mechanical switch 3 and the air switch with a relatively thick thickness can be mounted on the lower step surface, so that after the touch display panel 2, the mechanical switch 3, the air switch and the like are mounted, the heights of the outer end surfaces of the mechanical switch 3 and the air switch and the outer surface of the touch display panel 2 are approximately the same, the flatness of the intelligent electric cabinet after mounting can be ensured, and the phenomenon that the outer side of the panel 14 has different heights and thus causes unevenness can be prevented, thereby facilitating additional attachment of the cover 16 to the outside of the panel 14.
In addition to any of the above solutions, preferably, the portion of the cover 16 corresponding to the touch display screen 2 is a transparent structure. The transparent structure makes the user can see the information displayed on the touch display screen 2 through the transparent structure, so that the cover plate 16 does not need to be opened when only the information needs to be seen and only the master control box does not need to be operated, and the user experience can be improved.
Further, the master control box further comprises:
the five-core socket is arranged at the bottom of the main control box body, and the plugging end of the five-core socket is exposed outside the main control box body;
the five-core plug can be inserted into the inserting end of the five-core socket outside the main control box body;
the five-core cable, the one end of five-core cable with five-core plug connection, five-core cable includes 3 three-phase power cords, 1 signal line and 1 ground wire, the other end of five-core cable is used for being connected with the branch control box.
On the basis of any one of the above schemes, preferably, the intelligent master control box further includes: the five-core socket is arranged at the bottom of the box body 1, and the insertion end of the five-core socket is exposed outside the box body 1; the five-core plug can be inserted into the inserting end of the five-core socket outside the box body 1; the one end and the five-core plug connection of five-core cable, five-core cable include 3 three-phase power cords, 1 signal line and 1 ground wire, and the other end of five-core cable is used for being connected with the branch accuse case.
In these schemes, the intelligent master control box further comprises a five-core socket installed at the bottom of the box body 1, a five-core plug matched with the five-core socket, and a five-core cable connected with the five-core plug. As shown in fig. 6 and 7, the bottom of the cabinet 12 is provided with a fourth mounting hole 122 for mounting a five-core receptacle. This kind of setting can be connected intelligent master control case with other branch control casees through five-core socket, five-core plug and five-core cable, and this kind of connected mode compares current four-core and connects, has merged signal line and power cord and ground wire together to reduce the use of a cable, thereby simplified the structure. Preferably, a differential transmission industrial field bus, that is, a 5-wire power supply cable, which includes 3 three-phase power wires, a ground wire, and a signal wire, is used, so that a common control signal transmission mode can be performed by using an industrial bus signal transmission mode. Preferably, a unique gateway-type local area network may be employed to improve interference rejection. Meanwhile, signal lines among different main control boxes are not communicated, so that mutual interference can be avoided during cluster construction. The signal line in the present application is mainly used for transmission of a load signal, a control signal, and the like.
As shown in fig. 9, the main control box electric control board includes:
the microprocessor is connected with the sub-control boxes of the multiple groups of machine positions, is connected with a timer and is used for sending a polling query instruction to the sub-control boxes through a wireless communication device at a fixed time interval, and acquiring and storing one or more items of data from the sub-control boxes, wherein the one or more items of data comprise load data, altitude data, displacement data and fault data of each machine position;
the communication control module is used for receiving a polling query instruction, acquiring corresponding project data from the sub-control box according to the content of the polling query instruction, and sending the project data to the project data acquisition device;
the Bluetooth module is used for being wirelessly connected with the Bluetooth module of the branch control box through Bluetooth;
on the basis of any one of the above schemes, preferably, the master control box further includes: and the timer is connected with the microprocessor and used for setting the fixed time interval and sending out a clock signal when the fixed time interval is reached. The timer is arranged between the box shell and the panel, is connected with the electric control board and can start and stop timing under the action of the electric control board. Therefore, through the matching of the electric control board and the timer, certain functions can be correspondingly timed, and the functions of advance reservation or delayed processing and the like can be realized.
Further, the branch control box includes:
the branch control box comprises a branch control box shell and a branch control box panel, the branch control box shell is provided with a containing cavity with an opening at the front side, the branch control box panel is installed at the opening at the front side of the branch control box shell, and a first installation hole, a plurality of second installation holes and a third installation hole are formed in the branch control box panel; the bottom of the shell of the sub-control box is also provided with a first socket, a second socket and a third socket; the outer surface of the sub-control box panel comprises a first step surface and a second step surface which are arranged in a stepped manner, the distance between the first step surface and the outer end surface of the sub-control box shell is smaller than the distance between the second step surface and the outer end surface of the sub-control box shell, the first mounting hole is formed in the first step surface, and the second mounting hole and the third mounting hole are formed in the second step surface;
the first socket and the second socket are five-core sockets, the plugging end of each five-core socket is exposed outside the sub-control box and used for being plugged with a five-core plug, the five-core plug is connected with one end of a five-core cable, the five-core cable comprises 3 three-phase power lines, 1 signal line and 1 ground line, the other end of the five-core cable corresponding to the first socket is connected with an external sensor, and the other end of the five-core cable corresponding to the second socket is connected with the second sockets of an external main control box and other sub-control boxes.
The third socket is a four-core socket, the plugging end of the four-core socket is exposed outside the sub-control box body and is used for being plugged with a four-core plug, the four-core plug is connected with one end of a four-core cable, the four-core cable comprises 3 three-phase power lines and 1 ground line, and the other end of the four-core cable is connected with the electric hoist.
The touch display screen is embedded at the first mounting hole and used for receiving the operation of a user so as to collect the input information of the user, and the touch display screen is also used for displaying related information; the back surface of the touch display screen is embedded in the first mounting hole, and the screen display surface of the touch display screen faces outwards. The touch display screen is also used for displaying related information, such as input information, sensor data, electric hoist motion state information and alarm information. Through the touch display screen, constructors can input instructions through a touch screen, and can read currently input information, collected sensor data, electric hoist motion state information and alarm information when alarming occurs through the touch display screen.
And the mechanical switches are arranged at the second mounting holes in a one-to-one correspondence manner and comprise a lifting switch, a start-stop switch, a power switch and an emergency stop switch. Through operation mechanical switch, constructor can carry out the instruction with the instruction input, for example when constructor operation lifting switch, can control input lifting instruction, the operation opens the switch and can control input and open and stop the instruction, and operation switch can control branch accuse case and go up the electricity, and operation scram switch can carry out equipment scram operation when taking place emergency. The control function of the sub-control box is enriched.
The electric brake component is arranged at the third mounting hole; the opening or closing of the electric brake provides the main power supply input for the sub-control box, the starting and stopping switch is prevented from being opened by mistake when the power is not needed, and the operation safety is ensured.
Fig. 10 is a diagram illustrating a structure of a sub-control box electric control board of the rack-climbing intelligent communication fault warning system according to an embodiment of the present invention.
And the sub-control box electric control board is arranged in the sub-control box body.
Divide accuse case automatically controlled board includes:
and the microprocessor is connected with the mechanical switch, receives the control instruction of the mechanical switch, converts the control instruction into a control signal and sends the control signal to the communication control module.
As an embodiment of the invention, the microcontroller is an STM32 single chip microcomputer.
The communication control module is connected with the microprocessor, is in wired connection with an external sensor through a first socket, and receives sensor data of the external sensor and transmits the sensor data back to the microcontroller; the communication control module is in wired connection with the main control box through a second socket, receives the query instruction of the main control box and transmits the corresponding sensor data back to the main control box; the communication control module is connected with the electric hoist through the third socket, receives the control signal sent by the microprocessor, sends the control signal to the electric hoist and controls the motion state of the electric hoist.
The signal receiving module is connected with the microprocessor, is wirelessly connected with the signal transmitting unit of the external handheld remote control terminal which is uniquely corresponding, receives the remote control signal of the external handheld remote control terminal which is uniquely corresponding and transmits the remote control signal to the microprocessor; so set up for a remote control terminal only corresponds the branch accuse case, makes can not appear in the construction operation in-process that this branch accuse case of controlling does not control, has controlled the condition of other branch accuse casees on the contrary.
The Bluetooth module is connected with the microprocessor and is used for being wirelessly connected with the Bluetooth module of the master control box through Bluetooth; the wireless communication can be carried out between the sub-control box and the main control box, and when the wired connection is inconvenient or the wireless connection is required, the wireless communication becomes a mode of information transmission of the main control box and the sub-control box.
The electric control board further comprises:
and the data storage module is connected with the microprocessor and used for receiving the sensor data and the electric hoist running state data sent by the microprocessor and storing the data in a data linked list form. The data linked list is formed by connecting a plurality of linked list elements in series according to the sequence of received data, each linked list element only stores one byte array, and each byte array comprises a member for storing byte data and a flag bit member; the byte data are sensor data or electric hoist running state data read from a sensor at a single time, and the flag bit is used for indicating whether extraction operation is performed on the corresponding byte data; for example, if the current flag bit is 1, it indicates that the corresponding byte data has undergone the extraction operation, and if the current flag bit is 0, it indicates that the corresponding byte data has not undergone the extraction operation. If the byte array has been extracted, i.e., the flag bit is 1, the byte array is deleted from the data link list.
The received data is stored in a data linked list, and the function of the received data is to make the queues in the whole linked list ordered, provide a data base for extraction operation, and arrange the linked list elements in order.
The electric control board further comprises:
the power switch is arranged on the shell and used for controlling the opening and closing of the handheld remote control terminal;
and the power supply device is arranged on the electric control board and comprises a wired power supply device and/or a battery, and the wired power supply device comprises a power line which can be connected with an external power supply.
As an embodiment of the present invention, the power supply device supplies power to an external power line or a battery pack.
The sub-control box body is provided with a data transmission interface, the data transmission interface comprises a USB interface and/or a memory card interface, and the data transmission interface can transmit data with an external storage device.
Fig. 11 shows a flowchart of a rack-climbing intelligent communication fault warning method according to an embodiment of the present invention.
The method comprises the following steps:
s101, the main control box sends heartbeat packets to the plurality of sub-control boxes through the CAN bus at a fixed time interval, wherein the fixed time interval is larger than the response waiting time.
As an embodiment of the present invention, the fixed time interval is 0.1 second, the response waiting time is 0.08 second, and the fixed time interval is greater than the response waiting time, because the master control box waits for a corresponding response after sending the heartbeat packet, and determines the next packet sending situation according to whether the response is received, and the response waiting time is less than the fixed time interval, so that the master control box can determine whether the corresponding situation is received in the corresponding waiting time, and specifically make a decision whether to continue sending packets at the fixed time interval or determine a fault according to the situation.
The heartbeat package comprises sub-control box identification information used for identification. For example, the heartbeat packet contains a flag bit for recording the number of the polled slave boxes.
S102, the sub-control box monitors heartbeat packets on the CAN bus, identifies heartbeat packets matched with the sub-control box, and feeds back response messages to the main control box;
setting response waiting time of a main control box, judging that if a response message corresponding to a sub-control box is received in the response waiting time, the communication state of the main control box and the sub-control box is normal, and continuing to send a heartbeat packet to the sub-control box for polling after waiting for a time interval; if the response message corresponding to the sub-control box is not received within the response waiting time, continuously sending a heartbeat packet to the sub-control box for polling after waiting for the time interval, and if the frequency of not receiving the response message reaches the preset response frequency, judging that the communication between the sub-control box and the main control box is failed;
as an embodiment of the invention, a fixed time interval is set to be 0.1 second, a response waiting time is set to be 0.08 second, a main control box judges whether a response fed back by a corresponding sub-control box is received within 0.08 second after a heartbeat packet is sent, if so, the communication state of the main control box and the sub-control box is normal, and when the heartbeat packet is sent out, the main control box continues to send the heartbeat packet to the sub-control box and continues to monitor the heartbeat packet.
As an embodiment of the present invention, the fixed time interval is set to 0.1 second, the response waiting time is set to 0.08 second, and the preset response times are set to 3 times; the main control box judges whether the response fed back by the corresponding sub-control box is received within 0.08 second after the heartbeat packet is sent out, if not, judging that the current response frequency is 1 and less than 3, waiting for the time after sending the heartbeat packet to reach a fixed time interval of 0.1 second, continuously sending the heartbeat packet to the branch control box, and judges whether the response fed back by the corresponding sub-control box is received within 0.08 second after the heartbeat packet is sent out, if not, judging that the current response frequency is 2 and less than 3, waiting for the time after sending the heartbeat packet to reach a fixed time interval of 0.1 second, continuously sending the heartbeat packet to the branch control box, and judges whether the response fed back by the corresponding sub-control box is received within 0.08 second after the heartbeat packet is sent out, if not, judging that the current response times are 3, and judging that the communication between the sub-control box and the main control box has a fault when reaching the preset response times.
S103, when the communication between the sub-control box and the main control box is judged to be in fault, the main control box sends an equipment halt instruction and an alarm signal to the sub-control box, and the sub-control box controls equipment to halt and gives an alarm after receiving the equipment halt instruction. The alarm signal comprises an acoustic alarm signal and an optical alarm signal.
S104, the main control box monitors the communication process with the sub-control boxes by continuously sending heartbeat packet polling, can find communication faults in the first time, and carry out fault equipment shutdown operation in the first time when faults are found, and sends out an alarm at the same time, so that huge loss caused by untimely discovery of emergency is avoided.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (10)
1. The utility model provides a climb a smart communication trouble alarm system which characterized in that includes:
the main control box is used for sending heartbeat packets to the plurality of sub-control boxes through the CAN bus at fixed time intervals, and the heartbeat packets comprise sub-control box identification information for identification; the system comprises a main control box, a branch control box and a slave control box, wherein the main control box is used for setting response waiting time, judging that if a response message corresponding to the branch control box is received in the response waiting time, the communication state of the main control box and the branch control box is normal, and continuously sending a heartbeat packet to the branch control box for polling after waiting for a time interval; if the response messages corresponding to the sub-control boxes are not received within the response waiting time, continuously sending heartbeat packets to the sub-control boxes for polling after waiting for the time interval, and if the times of not receiving the response messages reach the preset response times, judging that the communication between the sub-control boxes and the main control box is in fault; the system is also used for sending an equipment shutdown instruction and an alarm signal to the sub-control box after judging that the communication between the sub-control box and the main control box is in fault;
the sub-control box is used for monitoring heartbeat packets on the CAN bus, identifying the heartbeat packets matched with the sub-control box and feeding back response messages to the main control box; and the control device is also used for controlling the equipment to stop and giving an alarm after receiving the equipment stop instruction.
2. The system of claim 1, wherein the fixed time interval is greater than the response latency.
3. The system of claim 1, wherein the master box is connected to a plurality of bays, each bay including a plurality of adjacent bays, each bay including a slave box connected to the master box, the master box receiving data from the slave boxes for individually controlling each bay.
4. The system of claim 1 or 3, wherein the master control box comprises a master control box body, a touch display screen, a plurality of mechanical switches, an air switch and a master control box electronic control board;
the main control box comprises a main control box shell and a main control box panel, wherein the main control box shell is provided with a containing cavity with an opening at the front side, the main control box panel is arranged at an opening at the front side of the main control box shell, a first mounting hole is formed in the main control box panel, and a plurality of second mounting holes and at least one third mounting hole are formed in the other end of the panel; the main control box touch display screen is embedded at the first mounting hole and used for receiving the operation of a user so as to collect the input information of the user, and the touch display screen is also used for displaying related information; the plurality of mechanical switches are correspondingly arranged at the plurality of second mounting holes one by one, and comprise one or more of a lifting switch, a start-stop switch, a power switch and an emergency-stop switch; the air switch is arranged at the third mounting hole; the main control box electric control board is arranged between the shell of the main control box and the panel of the main control box; the outer surface of the main control box panel comprises a first step surface and a second step surface which are arranged in a stepped manner, the distance between the first step surface and the outer end surface of the main control box shell is smaller than the distance between the second step surface and the outer end surface of the main control box shell, the first mounting hole is formed in the first step surface, and the second mounting hole and the third mounting hole are formed in the second step surface; the cover plate is of a transparent structure corresponding to the touch display screen of the main control box.
5. The system of claim 4, wherein the master box electronic control board comprises:
the microprocessor is connected with the sub-control boxes of the multiple groups of machine positions, is connected with a timer and is used for sending a polling query instruction to the sub-control boxes through a wireless communication device at a fixed time interval, and acquiring and storing one or more items of data from the sub-control boxes, wherein the one or more items of data comprise load data, altitude data, displacement data and fault data of each machine position;
the communication control module is used for receiving a polling query instruction, acquiring corresponding project data from the sub-control box according to the content of the polling query instruction, and sending the project data to the project data acquisition device;
the Bluetooth module is used for being wirelessly connected with the Bluetooth module of the branch control box through Bluetooth;
and the timer is used for sending out a clock signal when a fixed time interval is reached.
6. The system of claim 1, wherein the sub-control box comprises:
the branch control box comprises a branch control box shell and a branch control box panel, the branch control box shell is provided with a containing cavity with an opening at the front side, the branch control box panel is installed at the opening at the front side of the branch control box shell, and a first installation hole, a plurality of second installation holes and a third installation hole are formed in the branch control box panel; the bottom of the shell of the sub-control box is also provided with a first socket, a second socket and a third socket; the outer surface of the sub-control box panel comprises a first step surface and a second step surface which are arranged in a stepped manner, the distance between the first step surface and the outer end surface of the sub-control box shell is smaller than the distance between the second step surface and the outer end surface of the sub-control box shell, the first mounting hole is formed in the first step surface, and the second mounting hole and the third mounting hole are formed in the second step surface;
the touch display screen is embedded at the first mounting hole and used for receiving the operation of a user so as to collect the input information of the user, and the touch display screen is also used for displaying related information;
the plurality of mechanical switches are correspondingly arranged at the plurality of second mounting holes one by one, and comprise one or more of a lifting switch, a start-stop switch, a power switch and an emergency stop switch;
the electric brake component is arranged at least one third mounting hole;
and the sub-control box electric control board is arranged in the sub-control box body.
7. The system of claim 6, wherein the sub-control box electronic control board comprises:
the microprocessor is connected with the mechanical switch, receives a control instruction of the mechanical switch, converts the control instruction into a control signal and sends the control signal to the communication control module;
the communication control module is connected with the microprocessor, is in wired connection with an external sensor through a first socket, and receives sensor data of the external sensor and transmits the sensor data back to the microcontroller; the communication control module is in wired connection with the main control box through a second socket, receives the query instruction of the main control box and transmits the corresponding sensor data back to the main control box; the communication control module is connected with the electric hoist through a third socket, receives a control signal sent by the microprocessor, sends the control signal to the electric hoist and controls the motion state of the electric hoist;
the signal receiving module is connected with the microprocessor, is wirelessly connected with the signal transmitting unit of the external handheld remote control terminal which is uniquely corresponding, receives the remote control signal of the external handheld remote control terminal which is uniquely corresponding and transmits the remote control signal to the microprocessor;
the Bluetooth module is connected with the microprocessor and is used for being wirelessly connected with the Bluetooth module of the master control box through Bluetooth;
the first socket and the second socket are five-core sockets, the plugging end of each five-core socket is exposed outside the sub-control box and is used for being plugged with a five-core plug, the five-core plug is connected with one end of a five-core cable, the five-core cable comprises 3 three-phase power lines, 1 signal line and 1 ground line, and the other end of the five-core cable corresponding to the first socket is connected with an external sensor; the other end of the five-core cable corresponding to the second socket is connected with the second sockets of the external main control box and other sub-control boxes; the third socket is a four-core socket, the plugging end of the four-core socket is exposed outside the sub-control box body and is used for being plugged with a four-core plug, the four-core plug is connected with one end of a four-core cable, the four-core cable comprises 3 three-phase power lines and 1 ground line, and the other end of the four-core cable is connected with the electric hoist.
8. An intelligent communication fault warning method for a climbing frame is characterized by comprising the following steps:
the method comprises the following steps that a main control box sends heartbeat packets to a plurality of sub-control boxes through a CAN bus at fixed time intervals, wherein the heartbeat packets comprise sub-control box identification information for identification;
the sub-control box monitors heartbeat packets on the CAN bus, identifies heartbeat packets matched with the sub-control box, and feeds back response messages to the main control box;
setting response waiting time of a main control box, judging that if a response message corresponding to a sub-control box is received in the response waiting time, the communication state of the main control box and the sub-control box is normal, and continuing to send a heartbeat packet to the sub-control box for polling after waiting for a time interval; if the response message corresponding to the sub-control box is not received within the response waiting time, continuously sending a heartbeat packet to the sub-control box for polling after waiting for the time interval, and if the frequency of not receiving the response message reaches the preset response frequency, judging that the communication between the sub-control box and the main control box is failed;
and when the communication between the sub-control box and the main control box is judged to be in fault, the main control box sends an equipment halt instruction and an alarm signal to the sub-control box, and the sub-control box controls equipment to halt and gives an alarm after receiving the equipment halt instruction.
9. The method of claim 8, wherein the fixed time interval is greater than the response latency.
10. The method of claim 8, wherein the alarm signal comprises an audible alarm signal and a light alarm signal.
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| CN113252239A (en) * | 2021-03-15 | 2021-08-13 | 上海奥迪斯仪器科技有限公司 | Data signal transmission system and method of digital pressure gauge |
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Application publication date: 20200616 |