CN103639621A - Welding system and control method thereof - Google Patents
Welding system and control method thereof Download PDFInfo
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- CN103639621A CN103639621A CN201310603741.4A CN201310603741A CN103639621A CN 103639621 A CN103639621 A CN 103639621A CN 201310603741 A CN201310603741 A CN 201310603741A CN 103639621 A CN103639621 A CN 103639621A
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- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/42—Recording and playback systems, i.e. in which the programme is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine
- G05B19/425—Teaching successive positions by numerical control, i.e. commands being entered to control the positioning servo of the tool head or end effector
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Abstract
The invention provides a welding system and a control method thereof and belongs to the field of welding technologies. The welding system comprises a welding power supply and an intelligent card, wherein specified workpiece information and welding channel numbers corresponding to the specified workpiece information are stored in the intelligent card in advance. The welding power supply comprises a plurality of welding channels, a first acquiring unit, a first reading unit, a first judging unit, a second acquiring unit, a third acquiring unit and a control unit, wherein the first acquiring unit is used for acquiring the workpiece information; the first reading unit is used for reading the specified workpiece information and the welding channel numbers; the first judging unit is used for judging whether the workpiece information and the specified workpiece information are the same; the second acquiring unit is used for acquiring the welding channel numbers according to the judgement result of the first judging unit; the third acquiring unit is used for acquiring a preset welding parameter S; the control unit is used for controlling output of welding current according to the preset welding parameter S acquired by the third acquiring unit. By means of the welding system and the control method of the welding system, possibility of occurrence of supergage operation can be reduced.
Description
[technical field]
The present invention relates to welding technology field, relate in particular to a kind of welding system and control method thereof.
[background technology]
At present, welding production field mainly adopts the job specification handbook of papery, and person carries out weld job to instruct weld job.On the job specification handbook of papery with information such as the corresponding preset welding parameter S of various welding work pieces and limit value T.Preset welding parameter S is for controlling the parameter of welding machine work, such as: preset welding current, preset weldingvoltage etc.Limit value T is the scope of the welding parameter of the actual output of welding machine, such as: the scope of the scope of actual welding electric current, actual welding voltage etc.
Weld job person is before carrying out weld job, need to be according to the kind of workpiece to be welded, from the job specification handbook of papery, search the information such as corresponding preset welding parameter S and limit value T, then butt welding machine arranges, and finally according to the parameter arranging, welds.
This mode efficiency is low, and easily causes mistake is set.In addition, because workpiece to be welded in welding shop is many, weld job person easily takes workpiece by mistake, thereby causes the wrong workpiece of welding.
Although set preset welding parameter S before welding, but because each weld job person's welding custom is different, and the variation of the distance between welding gun and workpiece during weld job, actual welding parameters C (for example: actual welding electric current, actual welding voltage) is likely different from preset welding parameter S, even exceeded limit value T, that is, there is supergage operation.If the number of times of supergage operation is too much, or overlong time, can cause the reduction of welding quality.
In addition, because weld job person can carry out operation on many welding machines, so, if record total degree or the total time that certain weld job person carries out supergage operation on many welding machines, need many welding machine networkings to monitor.Inconvenient operation, and can cause the rising of cost.
[summary of the invention]
[technical problem]
The present invention is intended to for the problems of the prior art, and a kind of welding system and control method thereof are provided.
[solution]
Welding system provided by the invention comprises: the source of welding current and smart card, and pre-stored in this smart card have: specify workpiece information Ws, and specify with this weld pass numbering CN that workpiece information Ws is corresponding; This source of welding current is electrically connected with barcode scanning gun and card reader, stores a plurality of for storing the weld pass of preset welding parameter S in this source of welding current.
Wherein, this source of welding current comprises: the first acquiring unit, and it is for obtaining the workpiece information W being attached on welding work pieces by this barcode scanning gun; The first reading unit, it is for reading the pre-stored appointment workpiece information Ws of this smart card and weld pass numbering CN by this card reader; The first identifying unit, it is for judging that whether this workpiece information W is identical with this appointment workpiece information Ws; Second acquisition unit, it is for obtaining this weld pass numbering CN according to the result of determination of this first identifying unit, if this result of determination is identical, obtain the weld pass numbering CN that the appointment workpiece information Ws identical with this workpiece information W is corresponding, if this result of determination, for not identical, is not obtained; The 3rd acquiring unit, it obtains this preset welding parameter S for numbering weld pass corresponding to CN, weld pass from obtaining with this second acquisition unit; And control module, it controls the output of welding current for the preset welding parameter S obtaining according to the 3rd acquiring unit.
The present invention also provides a kind of welding system control method, and this welding system comprises the source of welding current and smart card, and pre-stored in this smart card have: specify workpiece information Ws, and specify with this weld pass numbering CN that workpiece information Ws is corresponding; This source of welding current is electrically connected with barcode scanning gun and card reader, stores a plurality of for storing the weld pass of preset welding parameter S in this source of welding current.
This control method comprises: the first obtaining step: by this barcode scanning gun, obtain the workpiece information W being attached on welding work pieces; The first read step: read appointment workpiece information Ws pre-stored in this smart card and weld pass numbering CN by this card reader; The first determination step: judge that whether this workpiece information W is identical with this appointment workpiece information Ws; The second obtaining step: obtain this weld pass numbering CN according to the result of determination of this first determination step, if this result of determination is identical, obtain the weld pass numbering CN that the appointment workpiece information Ws identical with this workpiece information W is corresponding, if this result of determination is for not identical, do not obtain; The 3rd obtaining step: number the weld pass that CN is corresponding and obtain this preset welding parameter S from the weld pass obtaining with this second obtaining step; And control step: the preset welding parameter S obtaining according to the 3rd obtaining step controls the output of welding current.
[invention beneficial effect]
By welding system of the present invention and control method thereof, can set efficiently and accurately preset welding parameter S, person welds wrong workpiece to avoid weld job, reduces the generation of supergage operation.
[accompanying drawing explanation]
Fig. 1 is the hardware block diagram of the welding system of first embodiment of the invention;
Fig. 2 is the software architecture diagram of the welding system of first embodiment of the invention;
Fig. 3 is the flow chart of the welding system control method of first embodiment of the invention;
Fig. 4 is the hardware block diagram of the welding system of second embodiment of the invention;
Fig. 5 is the software architecture diagram of the welding system of second embodiment of the invention;
Fig. 6 is the flow chart of the welding system control method of second embodiment of the invention; And
Fig. 7 is the flow chart of the renewal supergage numerical value E in the welding system control method of second embodiment of the invention.
[specific embodiment]
Core concept of the present invention is, the information relevant to weld job person is stored in smart card, while carrying out weld job, by the information being stored in smart card, welding system is controlled, thereby set efficiently and accurately preset welding parameter S, person welds wrong workpiece to avoid weld job, reduces the generation of supergage operation.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
[embodiment 1]
[welding system]
The welding system of first embodiment of the invention is described below with reference to Fig. 1 and Fig. 2.The welding system of first embodiment of the invention comprises the source of welding current 10 and smart card 1, and pre-stored in smart card 1 have: specify workpiece information Ws, and specify with this weld pass numbering CN that workpiece information Ws is corresponding.The source of welding current 10 is electrically connected with barcode scanning gun 2 and card reader 3, stores a plurality of for storing the weld pass of preset welding parameter S in the source of welding current 10.
The source of welding current 10 comprises: the first acquiring unit 4, and it is for obtaining the workpiece information W being attached on welding work pieces by barcode scanning gun 2; The first reading unit 5, it is for reading the pre-stored appointment workpiece information Ws of smart card 1 and weld pass numbering CN by card reader 3; The first identifying unit 6, whether it is for judging workpiece information W and specifying workpiece information Ws identical.Second acquisition unit 7, it if result of determination is identical, obtains the weld pass numbering CN that the appointment workpiece information Ws identical with workpiece information W is corresponding for obtain weld pass numbering CN according to the result of determination of the first identifying unit 6, if result of determination, for not identical, is not obtained; The 3rd acquiring unit 8, it obtains preset welding parameter S for numbering weld pass corresponding to CN, weld pass from obtaining with second acquisition unit 7; And control module 9, it controls the output of welding current for the preset welding parameter S obtaining according to the 3rd acquiring unit 8.
As shown in Figure 1, in the present embodiment, the source of welding current 10 comprises: for controlling the power device 25 of welding current output, drive circuit 27 for driving power device 25, for exporting the output circuit 26 of welding current, for connecting the communication port 23 of card reader 3, for connecting the communication port 24 of barcode scanning gun 2, and CPU17, RAM18, Flash19, electrical level transferring chip 21.RAM18, Flash19, drive circuit 27 is connected with CPU17 respectively with electrical level transferring chip 21.Drive circuit 27 is connected with power device 25 respectively with output circuit 26.Communication port 23 is connected with electrical level transferring chip 21 respectively with communication port 24.
CPU can adopt the C2000 of Texas Instrument, or CPU of other type, Programmable Logic Controller etc.Power device 25 can be IGCT or IGBT(insulated gate bipolar transistor).Electrical level transferring chip 21 can adopt the TRS3232EIDB of MAXIM company.Communication port 23 and communication port 24 can adopt RS232 communication port.
The first acquiring unit 4, the first reading unit 5, the first identifying unit 6, second acquisition unit 7, the 3rd acquiring unit 8 and control module 9 can be realized by the program module of storing in the CPU17 operation Flash19 in the source of welding current 10.In addition, the function of the first acquiring unit 4, the first reading unit 5, the first identifying unit 6, second acquisition unit 7, the 3rd acquiring unit 8 and control module 9 also can adopt hardware circuit to realize.
In the present embodiment, the source of welding current 10 comprises four weld passes, and its weld pass numbering CN is respectively A, B, C, D.These weld passes are the tables that are stored in Flash19, store the preset welding parameter S being set in advance by technical staff in each weld pass.In the present embodiment, preset welding parameter S is preset welding current.
Smart card 1 can be storage card, logic encryption card or CPU card.Technical staff is pre-stored in smart card 1 has the workpiece information Ws of appointment and weld pass to number CN.Specify the have the right information of workpiece of welding of the workpiece information Ws person that is weld job, according to actual conditions, can comprise: the information relevant to workpiece itself such as workpiece numbering, workpiece batch number.In the present embodiment, specify workpiece information Ws to specify workpiece numbering.Specify workpiece numbering and weld pass numbering CN to store accordingly, as shown in table 1.
[table 1]
| Appointment workpiece numbering | Weld pass numbering CN |
| 0001 | A |
| 0002 | B |
| 0003 | C |
| 0004 | D |
[control method]
The welding system control method of first embodiment of the invention is described below with reference to Fig. 1 to Fig. 3.This welding system comprises the source of welding current 10 and smart card 1, and pre-stored in this smart card 1 have: specify workpiece information Ws, and specify with this weld pass numbering CN that workpiece information Ws is corresponding; This source of welding current 10 is electrically connected with barcode scanning gun 2 and card reader 3, stores a plurality of for storing the weld pass of preset welding parameter S in the source of welding current 10.
This control method comprises: the first obtaining step: by barcode scanning gun 2, obtain the workpiece information W being attached on welding work pieces; The first read step: read appointment workpiece information Ws pre-stored in this smart card 1 and weld pass numbering CN by card reader 3; The first determination step: judge that whether this workpiece information W is identical with this appointment workpiece information Ws; The second obtaining step: obtain this weld pass numbering CN according to the result of determination of this first determination step, if this result of determination is identical, obtain the weld pass numbering CN that the appointment workpiece information Ws identical with this workpiece information W is corresponding, if this result of determination is for not identical, do not obtain; The 3rd obtaining step: number the weld pass that CN is corresponding and obtain this preset welding parameter S from the weld pass obtaining with this second obtaining step; And control step: the preset welding parameter S obtaining according to the 3rd obtaining step controls the output of welding current.
Before welding starts, technical staff stores preset welding parameter S in advance in a plurality of weld passes.The method of storage can be to bring in storage by the Long-distance Control of networking, also can preset welding parameter S is pre-stored in smart card 1, then by smart card 1, preset welding parameter S is stored in weld pass.
Specifically, as shown in Figure 3, in step S11, the first acquiring unit 4 is obtained the workpiece information W being attached on welding work pieces by barcode scanning gun 2.Workpiece information W can be workpiece numbering, workpiece batch number etc.Workpiece information W can be attached on welding work pieces by modes such as Quick Response Code, magnetic stripe, RFID labels, also can be attached on welding work pieces by modes such as etching, printings.In the present embodiment, weld job person reads by barcode scanning gun 2 Quick Response Code being attached on welding work pieces and obtains workpiece and number.
In step S12, weld job person inserts smart card 1 in card reader 3, and the first reading unit 5 reads appointment workpiece numbering pre-stored in smart card 1 and weld pass numbering CN by card reader 3, that is, and and information as shown in table 1.In step S13, by the first identifying unit 6, judge whether the workpiece numbering reading by barcode scanning gun 2 is identical with the appointment workpiece numbering reading by card reader 3.If identical, enter step S15.If not identical, enter step S14, do not read, and forbid welding current output, return to initial state, wait for and obtain next workpiece numbering.
By step S11-S14, can obtain the technique effect that the person that avoids weld job welds wrong workpiece.If the welding work pieces that weld job person takes and this weld job person have the right, the workpiece of welding is inconsistent, can not weld.
In step S15, by second acquisition unit 7, obtain and number identical appointment workpiece with workpiece and number corresponding weld pass numbering CN.In the present embodiment, the workpiece numbering reading by barcode scanning gun 2 is 0001, and second acquisition unit 7 obtains the weld pass numbering CN=A corresponding with 0001.In step S16, the 3rd acquiring unit 8 is obtained preset welding parameter S from A weld pass.In the present embodiment, the preset welding parameter S in A weld pass is: welding current I=260A.In step S17, control module 9 is controlled, and makes the welding current I=260A of output.
By step S15-S17, can obtain the technique effect of setting efficiently and accurately preset welding parameter S.
[embodiment 2]
Below with reference to Fig. 4 to Fig. 6, the second embodiment of the present invention is described.
[welding system]
The welding system of the second embodiment of the present invention and the first embodiment is basic identical, and difference is, in a second embodiment, also stores supergage numerical value E in smart card 1, and the higher limit L of supergage numerical value E.Number of times or the time of supergage numerical value E represents weld job person's supergage operation.In weld pass, also store the limit value T of the actual welding parameters C in welding process.The source of welding current 20 also comprises the checkout gear 22 for detection of this actual welding parameters C.
The source of welding current 20 also comprises: the second reading unit 11, and it is for reading higher limit L by card reader 3 from smart card 1, and from smart card 1, reads supergage numerical value E every special time Δ T; The second identifying unit 12, it is for judging whether supergage numerical value E is more than or equal to higher limit L, if supergage numerical value E is more than or equal to higher limit L, control module 9 is forbidden welding current output; Third reading is got unit 13, the actual welding parameters C that it detects for reading checkout gear 22; The 4th acquiring unit 14, it obtains limit value T for numbering weld pass corresponding to CN, weld pass from obtaining with second acquisition unit 7; The 3rd identifying unit 15, it is for judging whether actual welding parameters C exceeds limit value T; And record cell 16, it is for when actual welding parameters C exceeds limit value T, and the supergage numerical value E being stored in smart card 1 by 3 pairs of card reader upgrades.
As shown in Figure 4, in the present embodiment, checkout gear 22 is electrically connected to output circuit 26 and CPU17 respectively.Checkout gear 22 can be current transformer.The second reading unit 11, the second identifying unit 12, third reading are got unit 13, the 4th acquiring unit 14, the 3rd identifying unit 15 and record cell 16 and can be realized by the program module of storing in the CPU17 operation Flash19 in the source of welding current 20.In addition, the function that the second reading unit 11, the second identifying unit 12, third reading are got unit 13, the 4th acquiring unit 14, the 3rd identifying unit 15 and record cell 16 also can adopt hardware circuit to realize.
Special time Δ T is predefined by technical staff, and in the present embodiment, special time Δ T is 2 seconds.In addition, in the present embodiment, actual welding parameters C is actual welding electric current.The limit value T storing in weld pass is, actual welding current range: 200A-300A.Therefore,, if actual welding electric current is greater than 300A or is less than 200A, belong to supergage operation.
In the present embodiment, supergage numerical value E comprises: supergage operation number of times, supergage operation total time and single supergage activity duration.Supergage operation number of times refers to, weld job person, in weld job before this, the total degree of supergage operation occurs.The total time of supergage operation refers to, weld job person, in weld job before this, the activity duration sum of supergage operation occurs.The single supergage activity duration refers to, the weld job person last time is carried out the activity duration of supergage operation.Under original state, supergage numerical value E is 0.
In the present embodiment, the higher limit L of supergage numerical value E is the higher limit L of supergage operation number of times, supergage operation total time and single supergage activity duration.When supergage numerical value E is more than or equal to higher limit L, smart card 1 is by locked, and after locking, even this smart card 1 is inserted in card reader 3, the source of welding current 20 can not output current.In the present embodiment, the higher limit L of supergage operation number of times is 5 times, and the higher limit L of supergage operation total time is 3 seconds, and the higher limit L of single supergage activity duration is 1 second.
[control method]
The welding system control method of second embodiment of the invention is described below with reference to Fig. 4 to Fig. 6.The control method of the second embodiment of the present invention and the first embodiment is basic identical, and difference is, in a second embodiment, also stores supergage numerical value E in smart card 1, and the higher limit L of supergage numerical value E.Number of times or the time of supergage numerical value E represents weld job person's supergage operation.In weld pass, also store the limit value T of the actual welding parameters C in welding process.The source of welding current 20 also comprises the checkout gear 22 for detection of actual welding parameters C.
Control method also comprises: the second read step: by card reader 3, from smart card 1, read higher limit L, and from smart card 1, read supergage numerical value E every special time Δ T; And second determination step: judge whether supergage numerical value E is more than or equal to higher limit L, if supergage numerical value E is more than or equal to higher limit L, forbid welding current output; Third reading is got step: read checkout gear 22 and detect actual welding parameters C; The 4th obtaining step: number the weld pass that CN is corresponding and obtain limit value T from the weld pass obtaining with the second obtaining step; The 3rd determination step: judge whether actual welding parameters C exceeds limit value T; And recording step: when actual welding parameters C exceeds this limit value T, the supergage numerical value E being stored in smart card 1 by 3 pairs of card reader upgrades.
Specifically, as shown in Figure 6, in step S21, weld job person inserts smart card 1 in card reader 3, the second reading unit 11 reads supergage operation number of times, supergage operation total time and single supergage activity duration by card reader 3, and higher limit L.
In step S22, whether the second identifying unit 12 judgement supergage operation number of times, supergage operation total time and single supergage activity duration are more than or equal to its higher limit L, if not, enter step S24, carry out weld job.If so, enter step S23, control module 9 is controlled drive circuit 27, makes power device 25 in closed condition, thereby forbids welding current output.
In the present embodiment, supergage operation number of times, supergage operation total time and single supergage activity duration are 0, all do not exceed higher limit L, therefore enter step S24.
By step S21-S23, can obtain the technique effect of the generation that reduces supergage operation.If weld job person's supergage operation situation reaches certain degree, this weld job person can not proceed weld job.
Step S24 is identical with the step S11 to S17 in the first embodiment to step S30, therefore repeats no more here.
In step S31, checkout gear 22 detects the actual welding electric current of exporting in welding process, and third reading is got unit 13 and read the actual welding electric current that checkout gear 22 detects.In step S32, the 4th acquiring unit 14 is obtained the scope of actual welding electric current: 200A-300A from A weld pass.In step S33, the 3rd identifying unit 15 judges whether actual welding electric current is greater than 300A or is less than 200A.If so, enter step S34.If not, return to step S30, proceed welding.In the present embodiment, actual welding electric current is 260A, does not exceed limit value T, therefore returns to step S31.If but actual welding electric current is greater than 300A or is less than 200A, enter step S34.
In step S34, record cell 16 increases the supergage operation number of times in smart card 11 time by card reader 3, and records the time of this supergage operation, accumulates them in the supergage operation total time of storage in smart card 1.
Fig. 7 shows the method for upgrading supergage numerical value E.In step S41, the supergage activity duration is added up.In step S42, take a decision as to whether the sampling for the first time of this supergage operation.If so, enter step S43, supergage operation number of times is increased by 1 time.If not, enter step S35, that is, do not increase supergage operation number of times, directly enter next step.
After special time Δ T, enter step S35, again by card reader 3, read supergage numerical value E and higher limit L.Then enter step S36, by the second identifying unit 12, judge whether supergage numerical value E is more than or equal to higher limit L, if, enter step S37, control module 9 is controlled drive circuit 27, makes power device 25 in closed condition, thereby forbids welding current output.Then return to initial state.If not, return to step S30, proceed welding.
In addition, in step S37, also can not close at once power device 25, but after a weld seam welding, then close power device 25.Article one, weld seam whether weld complete, can by welding switch whether open to judge.
By step S31-S37, can obtain and reduce the technique effect that supergage operation occurs.Each weld job person's supergage operation situation can be recorded in this weld job person's smart card 1, when weld job person's supergage operation acquires a certain degree, will forbid that this weld job person proceeds weld job.And, by welding system of the present invention and control method thereof, do not need to network and just can obtain the supergage operation situation of each weld job person on all welding machines, easy to use, and can not raise the cost.
In addition, can also regularly the supergage numerical value E in all weld job persons' smart card 1 be imported to welding manage system, thus be convenient to manager to welding operator's supergage operation situation gather, the preservation of analysis, examination and historical archives.
Above,, with reference to detailed or specific embodiment, describe the present invention, but those skilled in the art understand: can under the prerequisite that does not depart from spirit of the present invention and scope, carry out various changes and correction.
[industrial applicibility]
By welding system of the present invention and control method thereof, can set efficiently and accurately preset welding parameter S, person welds wrong workpiece to avoid weld job, reduces the generation of supergage operation.
[reference numerals list]
10,20 sources of welding current
1 smart card
2 barcode scanning guns
3 card reader
4 first acquiring units
5 first reading units
6 first identifying units
7 second acquisition units
8 the 3rd acquiring units
9 control modules
11 second reading units
12 second identifying units
13 third reading are got unit
14 the 4th acquiring units
15 the 3rd identifying units
16 record cells
17?CPU
18?RAM
19?Flash
21 electrical level transferring chip
22 checkout gears
23,24 communication ports
25 power devices
26 output circuits
27 drive circuits
Claims (8)
1. a welding system, comprises the source of welding current (10,20) and smart card (1),
Pre-stored in this smart card (1) have: specify workpiece information Ws, and specify with this weld pass numbering CN that workpiece information Ws is corresponding;
This source of welding current (10,20) is electrically connected with barcode scanning gun (2) and card reader (3), stores a plurality of for storing the weld pass of preset welding parameter S in this source of welding current (10,20);
Wherein, this source of welding current (10,20) comprising:
The first acquiring unit (4), it is for obtaining the workpiece information W being attached on welding work pieces by this barcode scanning gun (2);
The first reading unit (5), it is for reading the pre-stored appointment workpiece information Ws of this smart card (1) and weld pass numbering CN by this card reader (3);
The first identifying unit (6), it is for judging that whether this workpiece information W is identical with this appointment workpiece information Ws;
Second acquisition unit (7), it is for obtaining this weld pass numbering CN according to the result of determination of this first identifying unit (6), if this result of determination is identical, obtain the weld pass numbering CN that the appointment workpiece information Ws identical with this workpiece information W is corresponding, if this result of determination, for not identical, is not obtained;
The 3rd acquiring unit (8), it obtains this preset welding parameter S for numbering weld pass corresponding to CN, weld pass from obtaining with this second acquisition unit (7); And
Control module (9), it controls the output of welding current for the preset welding parameter S obtaining according to the 3rd acquiring unit (8).
2. welding system as claimed in claim 1, is characterized in that:
In described smart card (1), also store supergage numerical value E, and the higher limit L of this supergage numerical value E, number of times or the time of this supergage numerical value E represents weld job person's supergage operation; In described weld pass, also store the limit value T of the actual welding parameters C in welding process; The described source of welding current (20) also comprises the checkout gear (22) for detection of this actual welding parameters C; This source of welding current (20) also comprises:
The second reading unit (11), it is for reading this higher limit L by described card reader (3) from this smart card (1), and every special time Δ T, from this smart card (1), reads this supergage numerical value E;
The second identifying unit (12), it is for judging whether this supergage numerical value E is more than or equal to this higher limit L;
Wherein, if this supergage numerical value E is more than or equal to this higher limit L, described control module (9) is forbidden welding current output.
3. welding system as claimed in claim 2, is characterized in that: also comprise:
Third reading is got unit (13), the actual welding parameters C that it detects for reading this checkout gear (22);
The 4th acquiring unit (14), it obtains this limit value T for numbering weld pass corresponding to CN, weld pass from obtaining with described second acquisition unit (7);
The 3rd identifying unit (15), it is for judging whether this actual welding parameters C exceeds this limit value T; And
Record cell (16), it upgrades the supergage numerical value E being stored in this smart card (1) by this card reader (3) for when this actual welding parameters C exceeds this limit value T.
4. welding system as claimed in claim 2, is characterized in that:
Described supergage numerical value E comprises: supergage operation number of times, supergage operation total time and single supergage activity duration.
5. a welding system control method, this welding system comprises the source of welding current (10,20) and smart card (1), pre-stored in this smart card (1) have: specify workpiece information Ws, and specify with this weld pass numbering CN that workpiece information Ws is corresponding; This source of welding current (10,20) is electrically connected with barcode scanning gun (2) and card reader (3), stores a plurality of for storing the weld pass of preset welding parameter S in this source of welding current (10,20); This control method comprises:
The first obtaining step: obtain the workpiece information W being attached on welding work pieces by this barcode scanning gun (2);
The first read step: read appointment workpiece information Ws pre-stored in this smart card (1) and weld pass numbering CN by this card reader (3);
The first determination step: judge that whether this workpiece information W is identical with this appointment workpiece information Ws;
The second obtaining step: obtain this weld pass numbering CN according to the result of determination of this first determination step, if this result of determination is identical, obtain the weld pass numbering CN that the appointment workpiece information Ws identical with this workpiece information W is corresponding, if this result of determination is for not identical, do not obtain;
The 3rd obtaining step: number the weld pass that CN is corresponding and obtain this preset welding parameter S from the weld pass obtaining with this second obtaining step; And
Control step: the preset welding parameter S obtaining according to the 3rd obtaining step controls the output of welding current.
6. welding system control method as claimed in claim 5, is characterized in that:
In described smart card (1), also store supergage numerical value E, and the higher limit L of this supergage numerical value E, number of times or the time of this supergage numerical value E represents weld job person's supergage operation; In described weld pass, also store the limit value T of the actual welding parameters C in welding process; The described source of welding current (20) also comprises the checkout gear (22) for detection of this actual welding parameters C; This control method also comprises:
The second read step: read this higher limit L from this smart card (1), and read this supergage numerical value E every special time Δ T from this smart card (1); And
The second determination step: it is for judging whether this supergage numerical value E is more than or equal to this higher limit L;
Wherein, if this supergage numerical value E is more than or equal to this higher limit L, forbid the output of welding current.
7. welding system control method as claimed in claim 6, is characterized in that: also comprise:
Third reading is got step: read the actual welding parameters C that this checkout gear (22) detects;
The 4th obtaining step: number the weld pass that CN is corresponding and obtain this limit value T from the weld pass obtaining with described the second obtaining step;
The 3rd determination step: judge whether this actual welding parameters C exceeds this limit value T; And
Recording step: when this actual welding parameters C exceeds this limit value T, by this card reader (3), the supergage numerical value E being stored in this smart card (1) is upgraded.
8. welding system control method as claimed in claim 6, is characterized in that:
Described supergage numerical value E comprises: supergage operation number of times, supergage operation total time and single supergage activity duration.
Priority Applications (1)
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| CN107175389A (en) * | 2017-05-22 | 2017-09-19 | 哈尔滨工业大学（威海） | Welding system and welding parameter acquisition method |
| CN107350646A (en) * | 2017-06-28 | 2017-11-17 | 上海交通大学 | Intelligent ship welding system and method |
| CN107398613A (en) * | 2017-07-21 | 2017-11-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of welding machine control method and device |
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| CN108890063A (en) * | 2018-07-12 | 2018-11-27 | 深圳市劲拓自动化设备股份有限公司 | A kind of control method of crest welder, device, crest welder and storage medium |
| CN113102890A (en) * | 2021-04-30 | 2021-07-13 | 深圳市艾雷激光科技有限公司 | Welding method, terminal device and computer-readable storage medium |
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