CN109317799A - Spot welding power output adjusting method, device, system and storage medium - Google Patents
Spot welding power output adjusting method, device, system and storage medium Download PDFInfo
- Publication number
- CN109317799A CN109317799A CN201811390976.9A CN201811390976A CN109317799A CN 109317799 A CN109317799 A CN 109317799A CN 201811390976 A CN201811390976 A CN 201811390976A CN 109317799 A CN109317799 A CN 109317799A
- Authority
- CN
- China
- Prior art keywords
- current
- welding
- soldering tip
- spot welding
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
- B23K11/241—Electric supplies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
Abstract
This application involves a kind of spot welding power output adjusting method, device, system and storage mediums.The described method includes: handling current welding current and current weldingvoltage that collected soldering tip in real time is in the thermal balance stage, the current resistance of soldering tip is obtained；At the time of the initial time in thermal balance stage is equal to zero for the resistance change rate and welding energy change rate of soldering tip；Predetermined process parameter when reference characteristic value, current resistance and spot welding power initial launch is handled, the voltage to be regulated of spot welding power is obtained；Reference characteristic value is that welding current, the weldingvoltage when entering the thermal balance stage according to predetermined process parameter and soldering tip obtain；According to voltage to be regulated, adjust the output voltage at a welding moment under spot welding power, enable the application spot welding power output adjusting method according to the welding current and weldingvoltage of feedback, to adjust the output voltage of spot welding power in real time, to reduce the heat accumulation phenomenon of soldering tip, the working life of soldering tip is improved.
Description
Technical field
This application involves resistance welding techniques fields, more particularly to a kind of spot welding power output adjusting method, device, are
System and storage medium.
Background technique
In electronic manufacturing field, it is related to a large amount of enameled wire spot welding.Currently, enameled wire spot welding generallys use accurate inverter resistance
Spot welding power, soldering tip use special loop structure, and soldering tip is connected to the output end of inverter by collet, divided among soldering tip
From being formed into a loop electric current by soldering tip bottom end.In enameled wire spot welding, since soldering tip bottom end cross-sectional area is small, so that soldering tip
Bottom end has a bigger current density after powered up, and temperature increases faster, is conducive to the smooth of enameled wire depainting and welding process
It carries out.
Traditional enameled wire spot welding power generally uses constant current control method, constant voltage control method or constant
Poewr control method controls its output, but during realization, inventor has found at least to exist in traditional technology and as follows ask
Topic: traditional technology can not control the output of spot welding power well, cause soldering tip the problem of heat accumulation occur, reduce soldering tip
Working life.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of spot welding power output adjusting method, device, system
And storage medium.
To achieve the goals above, a kind of spot welding power output adjusting method is provided in the embodiment of the present application, including with
Lower step:
Current welding current and current weldingvoltage that collected soldering tip in real time is in the thermal balance stage are handled, is welded
The current resistance of head；The initial time in thermal balance stage is that the resistance change rate of soldering tip and welding energy change rate are equal to zero
Moment；
Predetermined process parameter and current resistance when processing reference characteristic value, spot welding power initial launch, obtain spot welding electricity
The voltage to be regulated in source；Reference characteristic value be welding current when entering the thermal balance stage according to predetermined process parameter and soldering tip,
Weldingvoltage obtains；
According to voltage to be regulated, the output voltage at a welding moment under spot welding power is adjusted.
Handle in one of the embodiments, collected soldering tip in real time be in the current welding current in thermal balance stage with
Current weldingvoltage, the step of obtaining the current resistance of soldering tip include:
Obtain current resistance change rate and current welding energy change rate that soldering tip is in the thermal balance stage；
When current resistance change rate is greater than zero and currently welding energy change rate is less than zero, current welding current is handled
With current weldingvoltage, current resistance is obtained.
Reference characteristic value includes that the first reference resistance and first refer to welding energy in one of the embodiments,；It is default
Technological parameter includes weld interval；
The first reference resistance and first, which is obtained, based on following steps refers to welding energy:
By the quotient of weldingvoltage and welding current, it is confirmed as the first reference resistance；
By weldingvoltage, welding current and the product of weld interval, first is confirmed as with reference to welding energy.
Reference characteristic value includes that the second reference resistance and second refer to welding energy in one of the embodiments,；It is default
Technological parameter includes weld interval；
The second reference resistance and second, which is obtained, based on following steps refers to welding energy:
Obtain the current average and multiple weldingvoltages of multiple welding currents when soldering tip enters the thermal balance stage
Average voltage；
By the quotient of average voltage and current average, it is confirmed as the second reference resistance；
By average voltage, current average and the product of weld interval, second is confirmed as with reference to welding energy.
Voltage to be regulated is obtained based on following formula in one of the embodiments:
Wherein, UnIndicate voltage to be regulated；RnIndicate current resistance；QcIt indicates to refer to welding energy；RcIt indicates with reference to electricity
Resistance；T indicates the weld interval in predetermined process parameter.
On the other hand, the embodiment of the present application also provides a kind of spot welding power output adjustment devices, comprising:
Current resistance obtains module, the current welding current for being in the thermal balance stage for handling real-time collected soldering tip
With current weldingvoltage, the current resistance of soldering tip is obtained；The initial time in thermal balance stage is resistance change rate and the weldering of soldering tip
At the time of connecing energy gradient and be equal to zero；
Voltage to be regulated obtains module, for when handling reference characteristic value, current resistance and spot welding power initial launch
Predetermined process parameter obtains the voltage to be regulated of spot welding power；Reference characteristic value is to be entered according to predetermined process parameter and soldering tip
Welding current, weldingvoltage when the thermal balance stage obtain；
Adjustment module, for adjusting the output voltage of spot welding power according to voltage to be regulated.
Current resistance acquisition module includes: in one of the embodiments,
Change rate acquiring unit；Obtain current resistance change rate and the change of current welding energy that soldering tip is in the thermal balance stage
Rate；
Current resistance acquiring unit, for being greater than zero in current resistance change rate and current welding energy change rate is less than
When zero, current welding current and current weldingvoltage are handled, obtains current resistance.
In another aspect, the embodiment of the present application also provides a kind of spot welding power output adjusting system, including spot welding power control
Device processed；The step of controller is for realizing the above method.
It in one of the embodiments, further include weldingvoltage feed circuit and welding current feed circuit；
The first end of the first end connecting welding voltage feedback circuit of spot welding power controller, second end connecting welding electric current
Feed circuit, third end are used to connect the first end of spot welding power；The other end of spot welding power is used to power to soldering tip；Welding electricity
The other end of pressure feed circuit is used to acquire the current weldingvoltage of soldering tip；The other end of welding current feed circuit is for acquiring
The current welding current of soldering tip.
Another aspect, the embodiment of the present application also provides a kind of computer readable storage mediums, are stored thereon with computer
Program, when computer program is executed by processor the step of the realization above method.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
The current welding current and current weldingvoltage for being in the thermal balance stage by handling collected soldering tip in real time, obtain
To the current resistance of soldering tip；Predetermined process parameter when reference characteristic value, current resistance and spot welding power initial launch is handled, is obtained
To the voltage to be regulated of spot welding power, wherein the initial time in thermal balance stage is the resistance change rate and welding energy of soldering tip
At the time of change rate is equal to zero, reference characteristic value is welding when entering the thermal balance stage according to predetermined process parameter and soldering tip
Electric current, weldingvoltage obtain；According to voltage to be regulated, the output voltage at a welding moment under spot welding power is adjusted, so that this Shen
Please spot welding power output adjusting method can adjust the defeated of spot welding power in real time according to the welding current and weldingvoltage of feedback
Voltage out improves the working life of soldering tip to reduce the heat accumulation phenomenon of soldering tip.
Detailed description of the invention
Fig. 1 is the first pass schematic diagram of spot welding power output adjusting method in one embodiment；
Fig. 2 is the second procedure schematic diagram of spot welding power output adjusting method in one embodiment；
Fig. 3 is the first structure block diagram of spot welding power output adjustment device in one embodiment；
Fig. 4 is the second structural block diagram of spot welding power output adjustment device in one embodiment；
Fig. 5 is the structural block diagram of spot welding power output adjusting system in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
The output of spot welding power can not be controlled well in order to solve traditional technology, and soldering tip is caused asking for heat accumulation occur
The problem of inscribing, reducing the working life of soldering tip, in one embodiment, as shown in Figure 1, providing a kind of spot welding power output
Adjusting method, comprising the following steps:
Step S110 handles current welding current and current welding electricity that collected soldering tip in real time is in the thermal balance stage
Pressure, obtains the current resistance of soldering tip；The initial time in thermal balance stage is the resistance change rate and welding energy change rate of soldering tip
At the time of being equal to zero.
Wherein, soldering tip is spot welding head.The thermal balance stage is that the heat production of soldering tip and heat dissipation have reached balance.In actual welding mistake
Cheng Zhong, from the welding just real-time welding current and weldingvoltage for acquiring soldering tip is started, thus according to welding current and weldingvoltage
The welding kesistance and welding energy of soldering tip are calculated in real time.The welding kesistance of welding kesistance and last moment further according to current time
Resistance change rate is obtained, welding energy change rate is obtained according to the welding energy of the welding energy at current time and last moment.
In one example, it can judge whether soldering tip enters thermal balance by resistance change rate and welding energy change rate
In the stage, since welding, the resistance change rate and welding energy change rate of soldering tip slowly level off to zero from unstable, are finally equal to
Zero, when resistance change rate and welding energy change rate are equal to zero, then illustrating that welding enters thermal equilibrium state.
Wherein, resistance change rate can be obtained according to current resistance and last moment resistance, further, is based on following formula
Obtain resistance change rate:
Wherein, Rn' indicate resistance change rate；RnIndicate current resistance；Rn-1Indicate last moment resistance.
In addition, welding energy change rate can be obtained according to current welding energy and last moment welding energy, further,
Welding energy change rate is obtained based on following formula:
Wherein, Qn' indicate welding energy change rate；QnIndicate current welding energy；Qn-1Indicate last moment welding energy.
After soldering tip enters the thermal balance stage, weldingvoltage and welding current may float, it is therefore desirable in real time
The welding current and weldingvoltage of soldering tip are acquired, and according to the output of welding current and the feedback regulation spot welding power of weldingvoltage
Voltage.After soldering tip enters the thermal balance stage, start the output voltage for adjusting spot welding power, acquires current welding current and current
Weldingvoltage, to calculate current resistance according to current welding current and weldingvoltage.
Step S120, handle reference characteristic value, spot welding power initial launch when predetermined process parameter and current resistance, obtain
To the voltage to be regulated of spot welding power；Reference characteristic value is weldering when entering the thermal balance stage according to predetermined process parameter and soldering tip
Connect electric current, weldingvoltage obtains.
Wherein, reference characteristic value is used for the reference value as adjustment spot welding power.In one example, reference characteristic value can
Using the history value during last spot-welding technology.In yet another example, weldering can be acquired during current spot-welding technology
Head enters the welding current and weldingvoltage for the thermal balance stage being, is obtained according to predetermined process parameter, welding current and weldingvoltage
Obtain reference characteristic value.
In a specific embodiment, reference characteristic value includes that the first reference resistance and first refer to welding energy；In advance
If technological parameter includes weld interval；
The first reference resistance and first, which is obtained, based on following steps refers to welding energy:
By the quotient of weldingvoltage and welding current, it is confirmed as the first reference resistance；
By weldingvoltage, welding current and the product of weld interval, first is confirmed as with reference to welding energy.
It should be noted that the welding current and weldingvoltage at a moment are acquired when soldering tip enters the thermal balance stage,
Reference resistance is obtained according to a welding current and weldingvoltage and with reference to welding energy.Further, following formula can be also based on
It obtains and refers to welding energy:
Wherein, QcIt indicates to refer to welding energy；U indicates weldingvoltage；RcIndicate reference resistance；T indicates weld interval.
Or it is obtained based on following formula and refers to welding energy:
Qc=I2Rct
Wherein, I indicates welding current.
In another specific embodiment, reference characteristic value includes that the second reference resistance and second refer to welding energy；
Predetermined process parameter includes weld interval；
The second reference resistance and second, which is obtained, based on following steps refers to welding energy:
Obtain the current average and multiple weldingvoltages of multiple welding currents when soldering tip enters the thermal balance stage
Average voltage；
By the quotient of average voltage and current average, it is confirmed as the second reference resistance；
By average voltage, current average and the product of weld interval, second is confirmed as with reference to welding energy.
It should be noted that the welding current and weldingvoltage at multiple moment are acquired when soldering tip enters the thermal balance stage,
And the average current value of the welding current at multiple moment and the average voltage level of the weldingvoltage at multiple moment are obtained, by this
The accuracy of reference characteristic value has can be improved in method, to improve the accurate of the output voltage of the application adjusting spot welding power
Degree.
Predetermined process parameter is when starting to start spot welding power, to the initial value of spot welding power setting.In one example,
Predetermined process parameter includes initial output voltage and weld interval.Wherein, when initial output voltage brings into operation for spot welding power
The voltage of output, weld interval are the duration of a spot welding.Further, predetermined process parameter obtains for spot welding power and meets
Default welding point draws high the workpiece of intensity.In other words, it when spot welding power is run according to the predetermined process parameter, can weld
Place meets the workpiece that default welding point draws high intensity.Specifically, orthogonal test method optimum option predetermined process ginseng can be used
Number.
Voltage to be regulated is used to adjust the output voltage at next welding moment of spot welding power.Further, based on following
Formula obtains voltage to be regulated:
Wherein, UnIndicate voltage to be regulated；RnIndicate current resistance；QcIt indicates to refer to welding energy；RcIt indicates with reference to electricity
Resistance；T indicates the weld interval in predetermined process parameter.
Above-mentioned formula can be obtained based on following steps:
The energy that soldering tip generates in pinpoint welding procedure are as follows: Q=C × m × Δ t, wherein the specific heat capacity of C expression soldering tip；M welding
The quality in region；Δ t indicates temperature rise.
Again because of m=ρ × V, wherein the density of ρ expression welding region；V indicates welding region volume.
Welding region is equivalent to cuboid, V=S × L can be obtained, wherein the cross-sectional area of S expression welding region；L is weldering
Connect the length in region.
It can obtain, Q=C × ρ × S × L × Δ t enables C × ρ × L × Δ t=ki.
Again because the resistance of soldering tip isThe cross-sectional area that the corresponding welding region of reference resistance can be obtained isCurrently the cross-sectional area of the corresponding welding region of resistance is
It can obtain,Again because of Qn=ki × Sn。
Q can be obtainedn=ki × (Rn/Rc)×Sc=Qc×(Rn/Rc)；
And because
It can obtain,
Step S130 adjusts the output voltage at a welding moment under spot welding power according to voltage to be regulated.
In each embodiment of the application spot welding power output adjusting method, heat is in by handling collected soldering tip in real time
The current welding current and current weldingvoltage of equilibrium stage, obtain the current resistance of soldering tip；Handle reference characteristic value, current electricity
Predetermined process parameter when resistance and spot welding power initial launch, obtains the voltage to be regulated of spot welding power, wherein the thermal balance stage
The initial time resistance change rate that is soldering tip and welding energy change rate at the time of be equal to zero, reference characteristic value is according to pre-
If the welding current, weldingvoltage when technological parameter and soldering tip enter the thermal balance stage obtain；According to voltage to be regulated, point of adjustment
The output voltage for welding a welding moment under power supply, enables the application spot welding power output adjusting method according to the welding of feedback
Electric current and weldingvoltage adjust the output voltage of spot welding power in real time, to reduce the heat accumulation phenomenon of soldering tip, improve weldering
The working life of head.
In one embodiment, as shown in Fig. 2, a kind of spot welding power output adjusting method, comprising the following steps:
Step S210 obtains current resistance change rate and current welding energy change rate that soldering tip is in the thermal balance stage；
Step S220, when current resistance change rate is greater than zero and currently welding energy change rate is less than zero, processing is real-time
Collected soldering tip is in the current welding current and current weldingvoltage in thermal balance stage, obtains the current resistance of soldering tip；
Step S230 handles predetermined process parameter when reference characteristic value, current resistance and spot welding power initial launch, obtains
To the voltage to be regulated of spot welding power；Reference characteristic value is weldering when entering the thermal balance stage according to predetermined process parameter and soldering tip
Connect electric current, weldingvoltage obtains；
Step S240 adjusts the output voltage at a welding moment under spot welding power according to voltage to be regulated.
Wherein, after soldering tip enters thermal balance, welding current and weldingvoltage may float, so as to cause current
Resistance change rate and current welding energy change rate may float, and therefore, current resistance change rate and current can be used
Welding energy change rate judges whether the object properties of the soldering tip in welding process change, specifically, current resistance becomes
Rate illustrates that the object properties of soldering tip are changed greater than zero and when current welding energy change rate is less than zero, thus using
The step of the present embodiment, obtains voltage to be regulated, to adjust the output voltage of spot welding power.
Current resistance change rate can be obtained according to current resistance and last moment resistance, and current welding energy change rate can root
It is obtained according to current welding energy and last moment welding energy.It is greater than zero in current resistance change rate and current welding energy becomes
Rate determines that the physical characteristic of soldering tip changes less than zero, immediately according to the voltage to be regulated handled out, adjusts spot welding power
The output voltage at next welding moment.
It should be noted that step S220 to the step S240 and step S110 in above-described embodiment is to step S130 phase
Together, details are not described herein again.
In each embodiment of the application spot welding power output adjusting method, in the thermal balance stage, soldering tip is obtained in real time
Current resistance change rate and the variation of current welding energy, judge to weld according to current resistance change rate and the variation of current welding energy
Whether head occurs change in physical properties, physical features variation is occurring, just enters the step of obtaining voltage to be regulated, is conducive to mention
The specific aim of high the application operation, simplifies operational process.
It should be understood that although each step in the flow chart of Fig. 1 and 2 is successively shown according to the instruction of arrow,
It is these steps is not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
There is no stringent sequences to limit for rapid execution, these steps can execute in other order.Moreover, in Fig. 1 and 2 at least
A part of step may include that perhaps these sub-steps of multiple stages or stage are not necessarily in same a period of time to multiple sub-steps
Quarter executes completion, but can execute at different times, the execution in these sub-steps or stage be sequentially also not necessarily according to
Secondary progress, but in turn or can replace at least part of the sub-step or stage of other steps or other steps
Ground executes.
In one embodiment, as shown in figure 3, providing a kind of spot welding power output adjustment device, comprising:
Current resistance obtains module 310, the current welding for being in the thermal balance stage for handling real-time collected soldering tip
Electric current and current weldingvoltage obtain the current resistance of soldering tip；The initial time in thermal balance stage is the resistance change rate of soldering tip
At the time of being equal to zero with welding energy change rate；
Voltage to be regulated obtains module 320, when for handling reference characteristic value, current resistance and spot welding power initial launch
Predetermined process parameter, obtain the voltage to be regulated of spot welding power；Reference characteristic value be according to predetermined process parameter and soldering tip into
Welding current, weldingvoltage when entering the thermal balance stage obtain；
Adjustment module 330, for adjusting the output voltage of spot welding power according to voltage to be regulated.
In one embodiment, as shown in figure 4, a kind of spot welding power output adjustment device, current resistance obtain module 310
Include:
Change rate acquiring unit 311, for obtaining the current resistance change rate and currently weldering that soldering tip is in the thermal balance stage
Connect energy gradient；
Current resistance acquiring unit 313 is used to be greater than zero in current resistance change rate and current welding energy change rate is small
When zero, current welding current and current weldingvoltage are handled, obtains current resistance.
Specific restriction about spot welding power output adjustment device, which may refer to export above for spot welding power, to be adjusted
The restriction of method, details are not described herein.Modules in above-mentioned spot welding power output adjustment device can be fully or partially through
Software, hardware and combinations thereof are realized.Above-mentioned each module can be embedded in the form of hardware or export independently of spot welding power and adjust
In spot welding power controller in system, it can also be stored in a software form in the memory in computer equipment, in order to
Processor, which calls, executes the corresponding operation of the above modules.
In one embodiment, as shown in figure 5, additionally providing a kind of spot welding power output adjusting system, including spot welding electricity
Source controller 510；Spot welding power controller 510 is for realizing side described in each embodiment of the application spot welding power output adjusting method
The step of method.
It further, further include weldingvoltage feed circuit 520 and welding current feed circuit 530；
The first end of the first end connecting welding voltage feedback circuit 520 of spot welding power controller 510, second end connection weldering
Current feedback circuit 530 is connect, third end is used to connect the first end of spot welding power 540；The other end of spot welding power 540 is for giving
Soldering tip 550 is powered；The other end of weldingvoltage feed circuit 520 is used to acquire the current weldingvoltage of soldering tip 550；Welding current
The other end of feed circuit 530 is used to acquire the current welding current of soldering tip 550.
Wherein, electric power main circuit provides voltage for soldering tip.
In each embodiment of the application spot welding power output adjusting system, can acquire in real time soldering tip current welding current and
Current feedback of the weldingvoltage as spot welding power controller, adjusts the output voltage of electric power main circuit in real time.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program performs the steps of when being executed by processor
Current welding current and current weldingvoltage that collected soldering tip in real time is in the thermal balance stage are handled, is welded
The current resistance of head；The initial time in thermal balance stage is that the resistance change rate of soldering tip and welding energy change rate are equal to zero
Moment；
Predetermined process parameter when reference characteristic value, current resistance and spot welding power initial launch is handled, spot welding electricity is obtained
The voltage to be regulated in source；Reference characteristic value be welding current when entering the thermal balance stage according to predetermined process parameter and soldering tip,
Weldingvoltage obtains；
According to voltage to be regulated, the output voltage at a welding moment under spot welding power is adjusted.
In one embodiment, it is also performed the steps of when computer program is executed by processor
Obtain current resistance change rate and current welding energy change rate that soldering tip is in the thermal balance stage；
If current resistance change rate is greater than zero and currently welding energy change rate obtains current resistance less than zero,
In one embodiment, it is also performed the steps of when computer program is executed by processor
The quotient for obtaining weldingvoltage and welding current, obtains the first reference resistance；
The product for obtaining weldingvoltage, welding current and weld interval obtains first with reference to welding energy.
In one embodiment, it is also performed the steps of when computer program is executed by processor
Obtain the current average and multiple weldingvoltages of multiple welding currents when soldering tip enters the thermal balance stage
Average voltage；
The quotient for obtaining average voltage and current average, obtains the second reference resistance；
The product for obtaining average voltage, current average and weld interval obtains second with reference to welding energy.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of spot welding power output adjusting method, which comprises the following steps:
Processing soldering tip is in the current welding current and current weldingvoltage in thermal balance stage, obtains the current electricity of the soldering tip
Resistance；The initial time in the thermal balance stage be the soldering tip resistance change rate and welding energy change rate be equal to zero when
It carves；
Predetermined process parameter and the current resistance when processing reference characteristic value, spot welding power initial launch, obtain the point
Weld the voltage to be regulated of power supply；The reference characteristic value is to enter the heat according to the predetermined process parameter and the soldering tip to put down
Welding current, weldingvoltage when the weighing apparatus stage obtain；
According to the voltage to be regulated, the output voltage at a welding moment under the spot welding power is adjusted.
2. spot welding power output adjusting method according to claim 1, which is characterized in that handle collected soldering tip in real time
Current welding current and current weldingvoltage in the thermal balance stage, the step of obtaining the current resistance of the soldering tip include:
Obtain current resistance change rate and current welding energy change rate that the soldering tip is in the thermal balance stage；
When the current resistance change rate is greater than zero and the current welding energy change rate is less than zero, handle described current
Welding current and the current weldingvoltage, obtain the current resistance.
3. spot welding power output adjusting method according to claim 2, which is characterized in that
The reference characteristic value includes that the first reference resistance and first refer to welding energy；The predetermined process parameter includes welding
Time；
First reference resistance and described first, which is obtained, based on following steps refers to welding energy:
By the quotient of the weldingvoltage and the welding current, it is confirmed as first reference resistance；
By the product of the weldingvoltage, the welding current and the weld interval, described first is confirmed as with reference to welding energy.
4. spot welding power output adjusting method according to claim 2, which is characterized in that the reference characteristic value includes the
Two reference resistances and second refer to welding energy；The predetermined process parameter includes weld interval；
Second reference resistance and described second, which is obtained, based on following steps refers to welding energy:
The current average of multiple welding currents when obtaining the soldering tip into the thermal balance stage and multiple institutes
State the average voltage of weldingvoltage；
By the quotient of the average voltage and the current average, it is confirmed as second reference resistance；
By the product of the average voltage, the current average and the weld interval, described second is confirmed as with reference to welding
Energy.
5. spot welding power output adjusting method according to any one of claims 1 to 4, which is characterized in that be based on following public affairs
Formula obtains the voltage to be regulated:
Wherein, UnIndicate the voltage to be regulated；RnIndicate the current resistance；QcIndicate described with reference to welding energy；RcIt indicates
The reference resistance；T indicates the weld interval in the predetermined process parameter.
6. a kind of spot welding power output adjustment device characterized by comprising
Current resistance obtains module, is in the current welding current in thermal balance stage for handling collected soldering tip in real time and works as
Preceding weldingvoltage obtains the current resistance of the soldering tip；The initial time in the thermal balance stage is that the resistance of the soldering tip becomes
At the time of rate and welding energy change rate are equal to zero；
Voltage to be regulated obtains module, presetting when for handling reference characteristic value, current resistance and spot welding power initial launch
Technological parameter obtains the voltage to be regulated of the spot welding power；The reference characteristic value be according to the predetermined process parameter and
Welding current, weldingvoltage when the soldering tip enters the thermal balance stage obtain；
Adjustment module, for adjusting the output voltage of the spot welding power according to the voltage to be regulated.
7. spot welding power output adjustment device according to claim 6, which is characterized in that the current resistance obtains module
Include:
Change rate acquiring unit；Obtain current resistance change rate and current welding energy that the soldering tip is in the thermal balance stage
Quantitative change rate；
Current resistance acquiring unit, for being greater than zero and the current welding energy change rate in the current resistance change rate
When less than zero, the current welding current and the current weldingvoltage are handled, the current resistance is obtained.
8. a kind of spot welding power output adjusting system, which is characterized in that including spot welding power controller；The spot welding power control
The step of device is for realizing any one of claims 1 to 5 the method.
9. spot welding power output adjusting system according to claim 8, which is characterized in that further include weldingvoltage feedback electricity
Road and welding current feed circuit；
The first end of the spot welding power controller connects the first end of the weldingvoltage feed circuit, described in second end connection
Welding current feed circuit, third end are used to connect the first end of the spot welding power；The other end of the spot welding power is used for
It powers to the soldering tip；The other end of the weldingvoltage feed circuit is used to acquire the current welding electricity of the soldering tip
Pressure；The other end of the welding current feed circuit is used to acquire the current welding current of the soldering tip.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 5 is realized when being executed by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390976.9A CN109317799A (en) | 2018-11-21 | 2018-11-21 | Spot welding power output adjusting method, device, system and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390976.9A CN109317799A (en) | 2018-11-21 | 2018-11-21 | Spot welding power output adjusting method, device, system and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109317799A true CN109317799A (en) | 2019-02-12 |
Family
ID=65258314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811390976.9A Pending CN109317799A (en) | 2018-11-21 | 2018-11-21 | Spot welding power output adjusting method, device, system and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109317799A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508912A (en) * | 2019-05-07 | 2019-11-29 | 天津七所高科技有限公司 | The Dynamic Programming management method and management system of mash welder |
| CN111914473A (en) * | 2020-06-24 | 2020-11-10 | 浙江吉利汽车研究院有限公司 | Welding parameter determination method and device for resistance spot welding, electronic equipment and storage medium |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH654235A5 (en) * | 1980-07-18 | 1986-02-14 | Rossell Electronique Sa | Method for controlling the emitted power of a generator for electrical welding electrodes, use of the method and a device for carrying out the method |
| CN1179372A (en) * | 1996-09-24 | 1998-04-22 | 松下电器产业株式会社 | Method of controlling welding conditions of resistance welder |
| CN1203844A (en) * | 1997-06-04 | 1999-01-06 | 社团法人高等技术研究院研究组合 | Control system for use in resistance spot weld and method therefor |
| JP2002028790A (en) * | 2000-07-12 | 2002-01-29 | Fujitsu Ten Ltd | Resistance welding equipment |
| CN102458752A (en) * | 2009-04-07 | 2012-05-16 | 罗伯特·博世有限公司 | Method and control device for monitoring the quality of spot welds of a resistance welding gun comprising the outputting of a warning message |
| CN102699486A (en) * | 2012-03-02 | 2012-10-03 | 深圳麦格米特电气股份有限公司 | Method for controlling output characteristics of electric arc welding power source |
| CN103737166A (en) * | 2013-12-20 | 2014-04-23 | 江苏先特能源装备有限公司 | Welding method for intermediate frequency inverted resistance welding machine |
| CN105189014A (en) * | 2013-03-08 | 2015-12-23 | 杰富意钢铁株式会社 | Resistance spot welding method |
| CN105345226A (en) * | 2015-12-08 | 2016-02-24 | 哈尔滨工业大学（威海） | Automatic welding system for welding rod and automatic welding method |
| CN106457453A (en) * | 2014-06-12 | 2017-02-22 | 杰富意钢铁株式会社 | Resistance spot welding device and resistance spot welding method |
| CN107745176A (en) * | 2017-10-31 | 2018-03-02 | 天津七所高科技有限公司 | A kind of resistance spot welding control method and system for exempting from parameter setting |
| CN108788416A (en) * | 2018-06-12 | 2018-11-13 | 合肥国声电子通信有限责任公司 | A kind of adaptive welding system and method based on aluminum material |
-
2018
- 2018-11-21 CN CN201811390976.9A patent/CN109317799A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH654235A5 (en) * | 1980-07-18 | 1986-02-14 | Rossell Electronique Sa | Method for controlling the emitted power of a generator for electrical welding electrodes, use of the method and a device for carrying out the method |
| CN1179372A (en) * | 1996-09-24 | 1998-04-22 | 松下电器产业株式会社 | Method of controlling welding conditions of resistance welder |
| CN1203844A (en) * | 1997-06-04 | 1999-01-06 | 社团法人高等技术研究院研究组合 | Control system for use in resistance spot weld and method therefor |
| JP2002028790A (en) * | 2000-07-12 | 2002-01-29 | Fujitsu Ten Ltd | Resistance welding equipment |
| CN102458752A (en) * | 2009-04-07 | 2012-05-16 | 罗伯特·博世有限公司 | Method and control device for monitoring the quality of spot welds of a resistance welding gun comprising the outputting of a warning message |
| CN102699486A (en) * | 2012-03-02 | 2012-10-03 | 深圳麦格米特电气股份有限公司 | Method for controlling output characteristics of electric arc welding power source |
| CN105189014A (en) * | 2013-03-08 | 2015-12-23 | 杰富意钢铁株式会社 | Resistance spot welding method |
| CN103737166A (en) * | 2013-12-20 | 2014-04-23 | 江苏先特能源装备有限公司 | Welding method for intermediate frequency inverted resistance welding machine |
| CN106457453A (en) * | 2014-06-12 | 2017-02-22 | 杰富意钢铁株式会社 | Resistance spot welding device and resistance spot welding method |
| CN105345226A (en) * | 2015-12-08 | 2016-02-24 | 哈尔滨工业大学（威海） | Automatic welding system for welding rod and automatic welding method |
| CN107745176A (en) * | 2017-10-31 | 2018-03-02 | 天津七所高科技有限公司 | A kind of resistance spot welding control method and system for exempting from parameter setting |
| CN108788416A (en) * | 2018-06-12 | 2018-11-13 | 合肥国声电子通信有限责任公司 | A kind of adaptive welding system and method based on aluminum material |
Non-Patent Citations (1)
| Title |
|---|
| 刘浩等: "动态电阻曲线在电阻点焊参数调整中的应用 ", 《热加工工艺》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508912A (en) * | 2019-05-07 | 2019-11-29 | 天津七所高科技有限公司 | The Dynamic Programming management method and management system of mash welder |
| CN110508912B (en) * | 2019-05-07 | 2021-10-26 | 天津七所高科技有限公司 | Dynamic planning management method and management system of spot welding machine |
| CN111914473A (en) * | 2020-06-24 | 2020-11-10 | 浙江吉利汽车研究院有限公司 | Welding parameter determination method and device for resistance spot welding, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106037506B (en) | A kind of control method of electric oven, device and electric oven | |
| CN109317799A (en) | Spot welding power output adjusting method, device, system and storage medium | |
| CN108835718A (en) | A kind of electronic cigarette Poewr control method and electronic cigarette | |
| CN105728899B (en) | Pulse welding equipment and its control method | |
| JP2005276169A (en) | Target value processing unit, temperature controller, control process implementing system, process controlling method, target value processing program, and recording medium | |
| RU2008109199A (en) | SYSTEM AND METHOD FOR CALCULATING WORKING PARAMETERS OF FORGING WELDING DEVICE | |
| JP5015079B2 (en) | Burn-in apparatus and control method thereof | |
| CN102699486A (en) | Method for controlling output characteristics of electric arc welding power source | |
| CN108544146A (en) | A kind of one side welding device and its control method | |
| CN105710505B (en) | Pulse welding equipment and its control method | |
| CN105965127B (en) | A kind of automatic soldering device and its control method | |
| EP3637219A1 (en) | Industrial temperature control device having automatic soak time correction and self-diagnosing heating anomaly function, and method therefor | |
| JPH0691435A (en) | Electric discharge machine and electric discharge maching method | |
| EP3827678A1 (en) | Method for controlling temperature of heat-generating component of electrically heated vapor-generating system and electrically heated vapor-generating system | |
| CN114138031B (en) | Method, device, storage medium, and program for controlling heating of oxygen sensor | |
| US3468775A (en) | Electrolytic stock removal and deburring method | |
| JP2021181955A (en) | Environment forming device | |
| CN112589354A (en) | System and method for automatically controlling welding deformation | |
| JP2530398Y2 (en) | Control device for ion implanter | |
| CN106410909B (en) | Charging device and charging method for mobile terminal | |
| JP2016217631A (en) | Temperature compensation method for hot isotropic pressure device | |
| CN110165680A (en) | Passive power distribution net voltage control method, device, control equipment and storage medium | |
| CN115095986B (en) | Control method of instant heating water outlet machine | |
| CN117620391A (en) | Welding equipment control method and device | |
| CN112886794B (en) | Control method and control device for high-power high-frequency switching power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190212 |