CN202159454U - Robot teach box capable of bus communication - Google Patents
Robot teach box capable of bus communication Download PDFInfo
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- CN202159454U CN202159454U CN2011201630560U CN201120163056U CN202159454U CN 202159454 U CN202159454 U CN 202159454U CN 2011201630560 U CN2011201630560 U CN 2011201630560U CN 201120163056 U CN201120163056 U CN 201120163056U CN 202159454 U CN202159454 U CN 202159454U
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Abstract
The utility model discloses a robot teach box capable of bus communication. The teach box includes a central processor, and a display screen, a control panel, a storage, a welder interface and a communication interface together connecting with the central processor. The central processor connects with a lower robot controller. The teach box also includes a touch screen connecting with the central processor. The communication interface is based on NRP communication protocol. A message structure of the NRP communication protocol is composed of a message head and fields. The message head is composed of message information, message code, message length and bitmap. The message information includes an instruction index, a sign of a request code or a response code and the number of the fields. Compared with a prior teach box, the teach box in the utility model realizes operating a robot remotely. Thus, the safety of an operator is improved. And by adopting the NRP communication protocol for data interaction, the data loss rate is reduced to the minimum and the anti-interference capability of a system is improve.
Description
Technical field
The utility model relates to industrial robot and controls the field, particularly a kind of teach box that is used for industrial robot programming, control.
Background technology
Along with improving constantly of Industrial-Enterprises in China automatization level; The market of robot automation's line also can be increasing; And become the main mode of automatic production line gradually; So just to the safety operation control of robot, produce and have higher requirement, and the losing of monitor data, on-the-spot interference to controller all can cause the insecurity of producing.And existing at present teach box all can not carry out operated from a distance away from robot body, and this safety to operating personnel is totally unfavorable, and most producer all do not have touch screen function, and teach programming is not too convenient.For this reason, design a safe and reliable, control easily that teach box has good market outlook and using value.
The utility model content
The purpose of the utility model is to overcome the deficiency of existing teach box, and a kind of robot teach box that possesses bus communication is provided.This teaching tape touch-screen control function, but the remote control robot is very easy to teach programming, has also strengthened safety of operators simultaneously.
The utility model adopts following technical scheme to realize above-mentioned purpose: the robot teach box that originally possesses bus communication; Comprise central processing unit; And the display screen that is connected with central processing unit respectively, control panel, storer, welding machine interface and communication interface, be connected with the robot controller of lower floor through communication interface; Also comprise the touch-screen that is connected with central processing unit; Said communication interface is the communication interface based on NRP communication protocol; The message structure of said NRP communication protocol is made up of heading and field, and heading is made up of message information, information code, message length and bitmap, and message information comprises the number of command index, request code or answer code sign, field.
The utility model is specially adapted to break away from the industrial robot that PC is controlled, and can be used for multivariant industrial robot, and typical application is 6 or 8 shaft industrial robots.Compared with prior art, the utlity model has following beneficial effect:
1, teach box adopts the higher embedded chip of performance to make independently central processing unit, keeps apart with the lower floor control system, makes global design simple, debugs convenient.
2, the following stratum server of teach box and control system adopts NRP communication protocol to carry out data interaction, has accelerated the transmission of data, and it is minimum that data loss rate has been dropped to, and strengthened the strong interference immunity of system.
3, increased touch-screen, improved operating personnel's work efficiency, and touch-screen and display screen combine to make correction accuracy can be accurate to 1 pixel, make the user click accurately, easy to operate.
4, because display screen is integrated in the teach box, avoided the screen shake that causes owing to data line is long.
Description of drawings
Fig. 1 is the structured flowchart of the utility model teach box;
Fig. 2 is the message structure figure of NRP host-host protocol;
Fig. 3 is the process flow diagram of robot master scheduling thread;
Fig. 4 is that parameter is provided with process flow diagram;
Fig. 5 is the parameter monitoring process flow diagram;
Fig. 6 is the teaching process flow diagram;
Fig. 7 is a teaching inspection process flow diagram;
Fig. 8 is that process flow diagram is reproduced in teaching.
Embodiment
Below in conjunction with Figure of description, the utility model is done further to specify, but the embodiment of the utility model is not limited thereto.
Embodiment
The utility model teach box the major function that will possess be the setting and the monitoring of each parameter of robot, teach programming, teaching inspection and reproduce operation.The monitoring that is provided with of parameter comprises robot architecture's parameter, servo parameter, the current pose of robot, I/O variable etc.; Teach programming operation comprise program editor, deletion, shear, duplicate and the management of program file comprises newly-built, deletion, rename etc.; Teaching inspection divides the dual mode that moves forward and backward, and progression is to execute the next line of carrying out current line behind the current line again, and fallback mode is to execute the lastrow of carrying out current line behind the current line again; Reproduce operation and comprise single step and continuous two kinds of methods of operation, single step run is the once operation of start-up routine, and operation is the continuous operation of start-up routine continuously, until the shut-down operation of receiving the user.
As shown in Figure 1; The utility model teach box comprises central processing unit; The display screen that is connected with central processing unit respectively, touch-screen, control panel, real-time clock, storer, welding machine interface and communication interface, and the power module of giving each ingredient power supply of teach box.Central processing unit is used to move LINUX operating system and can carries out main code, is connected with welding machine through the welding machine interface, is connected with the robot controller of lower floor through communication interface.Control panel is used for the information interaction between user and the equipment, adopts the built-in 8*8 matrix keyboard of central processing unit, can be anti-shake, need not to carry out again keyboard scan Module Design and processing; Man-machine interface is used for the input-output operation of real-time explicit user.The welding machine interface can adopt the RS485 interface; Communication interface is the communication interface based on the NRP agreement, also can comprise extensive interface I2C, RS232, USB, SPI etc.Teach box mainly is responsible for setting and monitoring, teaching, teaching inspection, teaching reproduction, the demonstration of system alarm information of keyboard scan, parameter and is opened welding function etc. by central processing unit.In the present embodiment, central processing unit adopts embedded PXA270 chip.Each critical piece of teach box is described below:
(1) control panel comprises text button, graph key, directionkeys, axle operating key.Text button is mainly used in the editor of program, and graph key is used for the start and stop, servo switch of program, anxious stop etc., and directionkeys is used for the graphical interfaces focus and switches, and the axle operating key is used for each independent operation of robot.
(2) display screen is integrated in the teach box, and 6.4 cun of sizes adopt 16 looks to show, are used to point out the user to carry out associative operation.Display screen is direct-connected to the built-in LCD control module of central processing unit, and is integrated in teach box inside, has avoided the screen shake that causes owing to data line is long.
(3) touch-screen adopts the USB2.0 interface of standard; 6.4 cun of sizes are connected to USBHOST (USB main equipment) interface of embedded PXA270 chip, and driver is accomplished by LINUX operating system; Correcting algorithm carries out based on 5 methods; Combine with 6.4 cun LCDs, correction accuracy can be accurate to a pixel, is very easy to user's operation.
(4) real-time clock is used for demonstration and the setting of man-machine interface date, time, can be used for recorder people's working time.The time is kept in the precision interval clock storage chip after the teach box power down.
(5) the welding machine interface adopts the RS485 interface, is used to connect outside welding machine, controls the starting the arc blow-out of welding machine through the control welding machine electric power.
(6) storer comprises dynamic storage SDRAM and static memory NORFLASH, and wherein SDRAM is used for the dynamic memory of program; NORFLASH is used for the static store of program, comprises starting boot, kernel mirror image, file system and can carrying out master routine.
Teach box carries out data interaction through adopting between the robot controller of communication interface and lower floor based on NRP (the Network Robot Protocol) communication protocol of bus communication; Mainly comprise the transmission of parameter, the transmission of programming file, alert files, I/O comment file and PR variable comment file.NRP communication protocol is a kind of robot network's communication protocol that is customized voluntarily by the applicant, mainly is that communication data is packed and unpacked to the programming of NRP communication protocol.The message structure of NRP communication protocol is as shown in Figure 2, is made up of heading and 128 field.Wherein heading is made up of 4 parts, is respectively message information, information code, message length, bitmap, and message information comprises the number of command index, request code or answer code sign, field; Information code is made up of the ASC sign indicating number, in order to the index of expression different command; Message length is formed with 2 byte binary-coded decimals; Bitmap is made up of 16 bytes; Being used in 128 represent answer code that be to represent that the response field that sends packet existed at 1 o'clock; Low bit representation the 1st territory of 16 byte low bytes, the high position from the low level of low byte to high byte is followed successively by the 1st to the 128th territory.If teach box will be preserved a file, data field is stipulated as follows:
No. 1 territory: serial number
No. 2 territories: answer code
No. 3 territories: fullpath filename
No. 4 territories: file size
No. 5 territories: whole packet divides several bags to send
No. 6 territories: which bag current be
No. 7 territories: current transmission data content
No. 14 territories: terminal type
No. 64 territories: check code
Data bitmap is followed successively by from low to high so: 0b01111111,0b00000010,0x0,0x0,0x0,0x0,0x0,0x0,0b10000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0.
The software section of said central processing unit designs based on LINUX2.6 and MINIGUI1.6, mainly is made up of 4 threads.Each thread Task Distribution is following:
(1) MINIGUI (mini cabinet) thread: the setting of responsible keyboard scan, parameter and monitoring, teach programming, the demonstration of system alarm information etc.;
(2) NET_DATA_RECEIVE (network data reception) thread: monitor the network data that lower floor's controller sends, and the data of accepting are write the network data formation;
(3) NET_DATA_DEAL (network data distribution) thread: reading of data from the network data formation, and it is unpacked processing, and be sent to the MINIGUI thread, be used for the real-time demonstration of monitor data, programming file;
(4) SCHED_PROC (master scheduling) thread: in real time supervisory-controlled robot running status, teaching inspection state, teaching playback mode show false alarm information, simultaneously master slave interface during periodic refreshing.
Fig. 3 is the process flow diagram of robot master scheduling thread.After teach box powers on, at first obtain necessary fileinfo of man-machine interface or data, comprise each variable note, interference region dot information, robot running status and robot pose value; Then judge the current running status of robot, as warn, handle warning message, if any soft limiting; Handle soft limiting information, for teaching inspection state, then monitor No. 21 teachings and check the status field, according to the information that is checked through as current; The program line of high bright demonstration current executed for the teaching playback mode, is then monitored the playback mode territory as current No. 22; According to the information that monitors, the program line of high bright demonstration current executed will reproduce simultaneously and be presented at the reproduction human window working time in real time; According to the robot running status, in time refresh the running status sign at last.Teach box specifically may further comprise the steps the master scheduling of robot:
S1, initialization teach box: obtain I/O note, R variable note, PR variable note, open monitoring, obtain current system time, open master scheduling to I/O scope of a variable, R scope of a variable, PR scope of a variable and servo parameter territory;
S2, judge the current running status of robot: if soft limiting (the artificial robot single shaft hunting range of setting is promptly arranged) input is arranged, the axle of read machine people single shaft swing number and axle number is shown to man-machine interface then; If warn, then handle warning message and be shown to man-machine interface; If robot is in the teaching checking mode; Then judge to be in and stop attitude or motion attitude; Then close monitoring teaching inspection state if stop attitude; If the motion attitude is then opened monitoring teaching inspection state, current line number has not taken place to change then refreshed rows number if robot is in the teaching checking mode; If robot is in reproduction mode; Then judge to be in and stop attitude or motion attitude; Then close the monitoring playback mode if stop attitude, if the motion attitude is then opened the monitoring playback mode, current line number has not taken place to change then refreshed rows number if robot is in reproduction mode;
After S3, robotary change, refresh the Status icons of display device people state.Arrive this, the master scheduling thread finishes.Described Status icons in the present embodiment, is presented at the upper right corner of display screen.
Before the master scheduling thread, parameter is provided with by central processing unit.The flow process that parameter is provided with is as shown in Figure 4.The completion that parameter is provided with is in the MINIGUI thread; At first initialization is provided with the interface, and secondly the parameter value that sets is called the NRP agreement carries out packing data, and the good data of will packing at last send to lower floor's main control unit; If unsuccessful, the prompting user carries out error-correction operation.
Parameter is provided with and mainly comprises actual zero point setting, the setting of tool coordinates system, user coordinate system setting, system parameter setting and machine setting.Wherein system parameter setting comprises the setting of each speed, acceleration and deceleration, servo parameter etc.; The machine setting comprises soft limiting, the setting of reproducing the method for operation, reduction gear ratio, interference region etc.The parameter setting may further comprise the steps:
S41, initialization teach box;
S42, packing are provided with parameter;
S43, teach box carry out data interaction based on NRP communication protocol and server;
S44, if step S43 data interaction success then finishes parameter flow process is set, otherwise the prompting user carries out error-correction operation.
Parameter is provided with and adopts NRP communication protocol and lower floor's master cpu (being server) to carry out data interaction, in order to detect the data interaction success or not, defines following Handshake Protocol:
S431: be provided with from parameter and obtain the parameter values that is provided with that has editted in the interface editing frame; It is saved in corresponding data sends the territory, then call parameters is provided with and sends the data that function (SetParam_Command) sends data the territory and send to down stratum server through NRP communication protocol;
S432: following stratum server returns a rapid answer bag after receiving the upper strata data sent; The quick respond packet here is meant the simple response packet that does not have data field to have only heading, is used for responding fast teach box sent request bag;
S433: after the upper strata teach box receives the response packet that sends; Expression is sent successfully, if do not receive response packet in the time of setting, then starts timer; Resend response packet one time; If still confiscate response packet, then judge parameter transmission failure, carry out corresponding error-correction operation with the prompting user.
In the master scheduling thread, parameter is monitored by central processing unit.Central processing unit is as shown in Figure 5 to the flow process of parameter monitoring.Parameter monitoring is accomplished in the MINIGUI thread.At first the initialization monitoring interface is initiated monitoring by operating personnel's operation interface, opens the data monitoring territory of response then; Wait for stratum server response down, judge response results at last, like success response; With data presentation and monitoring interface,, point out the user to carry out error-correction operation as not.
Parameter monitoring comprises current pose, I/O monitoring, variable monitoring.In the process that parameter is provided with, each parameter also must be read up when creating the interface for the first time, therefore also needs set parameter is monitored.Parameter monitoring may further comprise the steps:
S51, initialization teach box;
S52, teach box are initiated monitoring;
S53, monitoring territory bitmap is set;
S54, following stratum server respond based on the monitor data of NRP communication protocol to teach box, if response success then unpacks monitor data and monitor data is shown to man-machine interface, otherwise carries out other tasks.
It is the same that same parameter is provided with, and parameter monitoring also calls NRP communication protocol, and following stratum server to the replying of monitor data that teach box transmitted, adopts following Handshake Protocol based on NRP communication protocol:
S541: because different parameters is in different monitoring territories, to transmit, monitoring territory function (SetWatchBit_Command) is set, opens corresponding monitored item, wait for gathering data arrival so at first should call; After opening monitored item, owing to adopt multithreading to carry out software design, system does not need to wait for gathering data arrival always, can carry out other operation;
S542: after monitor data arrives; Network data processing thread (netdatadeal_pro) is according to call number in the current network data and information category; Call monitor state response function (WatchStatus_proc) and separate package operation; The mode of the monitor data that reads through mini cabinet (minigui) message sent to respective window, and call explicit function and show;
S543: after S542 successfully read monitor data, the top service device sent the rapid answer bag and arrives stratum server down, turns to the transmitting-receiving to other network datas to notify it.
Teaching is accomplished in the MINIGUI thread, and the fundamental purpose of teaching is according to the wish of controlling personnel, and each is moved on to appointed positions, obtains taught point then, and is saved in the file.Each is isolated operation for this process, does not relate to multi-shaft interlocked.Its flow process is as shown in Figure 6, may further comprise the steps:
S61, initialization operation panel, the timing scan control panel; User's operation is input on the teach box through control panel, so the scan control panel can scan user's operation;
S62, when having detected the teaching key and pressed, judge present mode, if not the teaching pattern then switches to the teaching pattern; Then judge current whether from anxious state or the alarm condition of stopping; If the illegal teaching of prompting user; If not teaching parameter (comprising teaching parameter axle number, state, teaching speed etc.) packing is sent to down stratum server based on NRP communication protocol; Wait for stratum server response down simultaneously, following stratum server can not in time respond, prompting user teaching failure.
Excessively whether reasonable the purpose of teaching inspection is the rationality and the security of manual examination (check) teach programming file, comprises whether singular point is arranged in the operational process, etc. between the movement instruction.The flow process of teaching inspection is as shown in Figure 7, may further comprise the steps:
S71, initialization operation panel, the timing scan control panel; User's operation is input on the teach box through control panel, so the scan control panel can scan user's operation;
S72, when having detected the teaching check key and pressed, judge present mode, if not the teaching pattern then switches to the teaching pattern; Then judge current whether from anxious state or the alarm condition of stopping; If the illegal teaching inspection of prompting user; If not teaching is checked that parameter (comprise key assignments, state, speed, present procedure number etc.) packing sends to down stratum server, waits for that simultaneously stratum server responds down based on NRP communication protocol; Following stratum server can not in time respond and then point out user's teaching inspection failure, and teaching inspection state is then monitored in the following timely response of stratum server, and according to the row number high bright demonstration of the information that monitors with current executed; If current line is finished, the focus of switching teaching is to nominated bank, otherwise monitoring teaching inspection state, and according to the row number high bright demonstration of the information that monitors with current executed.
The purpose of reproducing is the continuous execution of start-up routine, makes robot move according to the trajectory path of appointment.In the process that teaching is reproduced, the operation of robot can be suspended, also operation can be continued from the breakpoint.The flow process that teaching is reproduced is as shown in Figure 8, may further comprise the steps:
S81, timing scan control panel;
S82, when having detected start key and pressed, whether judge the robot current location in the program starting point, if not the prompting user reproduces illegally, whether be reproduction mode if then then judge present mode, if not reproduction mode switches to reproduction mode; If reproduction mode then judges whether to be in anxious stopping or alarm condition; If then point out the user to reproduce illegally; Send to down stratum server if not will reproduce parameter (comprising program filename, reproduction speed, servo condition etc.) based on NRP communication protocol; Wait for stratum server response down simultaneously, the following stratum server not user of response prompting in time teaching reproduces failure, and playback mode is then monitored in the following timely response of stratum server; According to the information that monitors, with the row number high bright demonstration of current executed.
Below be each thread running status under the different teach box functions:
Each function of teach box all is to be triggered by control panel, so the interface display thread is moving always; The running status of robot is by stratum server timed sending down, so the also operation always of network receiving thread; The monitoring to teaching inspection state has been opened in the teaching inspection, so relate to the operation of network data processing thread, in like manner, reproduces and has opened the monitoring to playback mode; The setting of parameter relates to the packing of data with monitoring and unpacks, so network data processing thread and the operation of network data receiving thread.
The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.
Claims (4)
1. robot teach box that possesses bus communication; Comprise central processing unit; And the display screen that is connected with central processing unit respectively, control panel, storer, welding machine interface and communication interface; Be connected with the robot controller of lower floor through communication interface, it is characterized in that: also comprise the touch-screen that is connected with central processing unit; Said communication interface is the communication interface based on NRP communication protocol.
2. the robot teach box that possesses bus communication according to claim 1 is characterized in that: said central processing unit is an embedded chip.
3. the robot teach box that possesses bus communication according to claim 1 is characterized in that: said control panel adopts the built-in matrix keyboard of central processing unit.
4. the robot teach box that possesses bus communication according to claim 1 is characterized in that: said display screen is integrated in the teach box.
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| CN2011201630560U CN202159454U (en) | 2011-05-20 | 2011-05-20 | Robot teach box capable of bus communication |
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| CN2011201630560U CN202159454U (en) | 2011-05-20 | 2011-05-20 | Robot teach box capable of bus communication |
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| CN202159454U true CN202159454U (en) | 2012-03-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231374A (en) * | 2013-04-03 | 2013-08-07 | 华中科技大学 | Teaching box for industrial robot based on Ethernet communication |
| CN104002305A (en) * | 2013-02-27 | 2014-08-27 | 株式会社大亨 | Robot control device |
| CN107765593A (en) * | 2017-10-26 | 2018-03-06 | 四川云玦科技有限公司 | System is realized in a kind of common apparatus control |
| CN108052198A (en) * | 2017-10-16 | 2018-05-18 | 广州音视控通科技有限公司 | A kind of body-sensing teaching terminal and teaching method |
-
2011
- 2011-05-20 CN CN2011201630560U patent/CN202159454U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002305A (en) * | 2013-02-27 | 2014-08-27 | 株式会社大亨 | Robot control device |
| CN104002305B (en) * | 2013-02-27 | 2017-07-14 | 株式会社大亨 | Robot controller |
| CN103231374A (en) * | 2013-04-03 | 2013-08-07 | 华中科技大学 | Teaching box for industrial robot based on Ethernet communication |
| CN103231374B (en) * | 2013-04-03 | 2015-09-23 | 华中科技大学 | A kind of industrial robot teaching box based on ethernet communication |
| CN108052198A (en) * | 2017-10-16 | 2018-05-18 | 广州音视控通科技有限公司 | A kind of body-sensing teaching terminal and teaching method |
| CN107765593A (en) * | 2017-10-26 | 2018-03-06 | 四川云玦科技有限公司 | System is realized in a kind of common apparatus control |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20120307 |