CN209148860U - Welding robot welding current, voltage calibration device - Google Patents
Welding robot welding current, voltage calibration device Download PDFInfo
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- CN209148860U CN209148860U CN201821680073.XU CN201821680073U CN209148860U CN 209148860 U CN209148860 U CN 209148860U CN 201821680073 U CN201821680073 U CN 201821680073U CN 209148860 U CN209148860 U CN 209148860U
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Abstract
The utility model discloses a kind of welding robot welding currents, voltage calibration device, it include: measuring device, connecting welding robot, butt welding machine device people's welding current, voltage carries out real-time measurement, obtain actual welding electric current and the corresponding current measurement value of voltage, the current measurement value is sent to converter, two current measurement signals are converted into the acquisition receivable voltage signal of emission control component by converter, input acquisition emission control component, pass through wireless access point device, computer controls the signal that display system receives acquisition emission control component transmitting, and the overall process of measurement is recorded in a manner of curve, the automatic average value for calculating acquisition data, average value is converted into robot welding system's loop current value multiplied by the conversion coefficient of converter, voltage value and as measurement result.The utility model ensures the product quality of welding, raises labour productivity, and reduces labor intensity, reduces the technical requirements to calibration personnel.
Description
Technical field
The utility model belongs to utility model technical field, is related to a kind of welding robot welding current, voltage calibration dress
It sets.
Background technique
As computer technology, welding autocontrol technology, wireless collection technology etc. are in the application of welding field, bonding machine
The features such as device people can carry out weld job, the high quality for guaranteeing weld job, high production rate, high stability with it for a long time is gradually
Manual welding equipment is replaced to be widely used due to welding robot high degree of automation.In order to make welding robot
It remains good operating status, guarantees that welding quality also periodically should carry out school to it other than daily maintenance
Standard, the major parameter of calibration are welding robot welding circuit electric current, voltage.Since welding robot does not have independent electric current defeated
Out terminal and control to adjust terminal, so cannot with calibration manual welding equipment method be load box, standard shunt and
Welding current exports terminal concatenation forming circuit, and in the state of not welding, welding gun is shorted, and is adjusted back using terminal is controlled to adjust
The method of road electric current is accurately calibrated.Only in welding, just there are electric current, voltage in circuit to welding robot, and welds
Journey electric current is fluctuating change, and welding process output electric current is bigger, and radiation intensity is high, the electricity of welding robot welding at present
The calibration of stream, voltage is mainly calibrated using the method for clamp on amperemeter measurement, and the method can only qualitatively estimate pincerlike meter
Whether electric current that the size of current measured is shown with the welding robot source of welding current, voltage swing variation tendency, amplitude are consistent, no
The variation size and trend of dynamic monitoring and electric current in observation welding process, and based on the considerations of site safety, it needs separate
Welding robot calibration, thus have developed can remote dynamic calibration welding robot welding current, voltage device, with this
To solve this calibration problem.
Utility model content
(1) purpose of utility model
The purpose of this utility model is: providing a kind of welding robot welding current, voltage calibration device, realizes that it has
Effect far from welding scene acquisition calibration data.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of welding robot welding current, voltage calibration dress
It sets comprising: measuring device, converter, acquisition emission control component, wireless access point device and computer control display system
System；Measuring device connecting welding robot, butt welding machine device people welding current, voltage carry out real-time measurement, obtain actual welding
Electric current and the corresponding current measurement value of voltage, the current measurement value are sent to converter, by converter by two electric currents
Measured value signal is converted to the acquisition receivable voltage signal of emission control component, and input acquisition emission control component passes through nothing
Line access point apparatus, computer control the signal that display system receives acquisition emission control component transmitting, and in a manner of curve
The overall process of measurement is recorded, average value is converted by the automatic average value for calculating acquisition data multiplied by the conversion coefficient of converter
Robot welding system's loop current value, voltage value and as measurement result.
Wherein, the measuring device includes current sensor and voltage sensor, passes through current sensor and voltage sensor
Device distinguishes butt welding machine device people welding current, voltage carries out real-time measurement.
Wherein, the current sensor is Hall current sensor.
Wherein, the conversion coefficient of the converter is sensor ratio coefficient divided by its resistance value.
Wherein, the wireless access point device includes transmitting antenna.
Wherein, the calibrating installation includes cabinet, and current sensor 1, voltage sensor 2 are arranged in cabinet, wirelessly connect
Enter point device to be arranged in outside cabinet.
Wherein, current measurement mouth 3 and voltage measurement mouth 4, current measurement mouth 3 and voltage measurement are additionally provided on the cabinet
4 external welding robots of mouth, are inscribed current sensor 1 and voltage sensor 2.
Wherein, it is additionally provided with charge port 6 on the cabinet, for powering for calibrating installation all parts.
Wherein, electricity is additionally provided on the cabinet to show and key zone 7, for operating with for calibrating installation.
(3) beneficial effect
Welding robot welding current, voltage calibration device provided by above-mentioned technical proposal, solve welding robot
Welding current, voltage site dynamic calibration technical problem, ensure the product quality of welding, raise labour productivity, reduce labor
Fatigue resistance is reduced to the technical requirements of calibration personnel, also for robot welding system it is accurate, continue reliably to run technology be provided
It ensures and the foundation of science, the device can also be used for (20~1000) A, the various electrical equipments of (0~150) V, welding equipment direct current
The live dynamic calibration of high current, electrical voltage system.
Detailed description of the invention
Fig. 1 is welding robot welding current, voltage calibration schematic diagram.
Fig. 2 is welding robot welding current, voltage calibration apparatus structure schematic diagram.
Specific embodiment
To keep the purpose of this utility model, content and advantage clearer, with reference to the accompanying drawings and examples, to this reality
It is described in further detail with novel specific embodiment.
Shown in referring to Fig.1, the present embodiment welding robot welding current, voltage calibration device include: measuring device, conversion
Device, acquisition emission control component, wireless access point device and computer control display system；Measuring device connecting welding machine
People, butt welding machine device people welding current, voltage carry out real-time measurement, obtain actual welding electric current and the corresponding electric current of voltage
Measured value, the current measurement value are sent to converter, and two current measurement signals are converted to acquisition transmitting by converter
The receivable voltage signal of control unit, input acquisition emission control component, by wireless access point device, computer control is aobvious
Show that system receives the signal of acquisition emission control component transmitting, and records the overall process of measurement in a manner of curve, it is automatic to calculate
The average value for acquiring data, is converted into robot welding system's loop current value, electricity multiplied by converter conversion coefficient for average value
Pressure value and as measurement result.
Wherein, measuring device includes current sensor and voltage sensor, passes through current sensor and voltage sensor point
Other butt welding machine device people welding current, voltage carry out real-time measurement.Current sensor is Hall current sensor.
Converter is that the current signal that current sensor, voltage sensor export is converted to voltage signal using resistance,
The conversion coefficient of converter is sensor ratio coefficient divided by its resistance value.
Wireless access point device includes transmitting antenna.
Referring to shown in Fig. 2, calibrating installation includes cabinet, and current sensor 1, voltage sensor 2 are arranged in cabinet, transmitting
Antenna 5 is arranged in outside cabinet；Current measurement mouth 3 and voltage measurement mouth 4, current measurement mouth 3 and voltage are additionally provided on cabinet
Current sensor 1 and voltage sensor 2 is inscribed in the external welding robot of measuring mouth 4；It is additionally provided with charge port 6 on cabinet, is used for
For the power supply of calibrating installation all parts；It is additionally provided with that electricity is shown and key zone 7, the operation for calibrating installation make on cabinet
With.
The course of work of above-mentioned calibrating installation is as follows:
1, it calibrates
(1) prepare before calibration
Welding robot welding circuit current line is connected with measuring device, connects wireless access point device power supply, setting
Computer network connection and acquisition datamation mode etc..After ensuring that wiring is errorless, the electricity such as welding machine electric power, control system are connected
Whether source, range estimation all devices show normal.
(2) it calibrates
Welding movement and the welding circuit electric current, voltage calibration point of welding process robot are set by robot welding system
Value etc., starts welding machine, and welding system stable working to be welded, at the appointed time, computer control display system and obtain acquisition transmitting
Electric current, the voltage data of control unit measurement, take its average value as measurement result: current value X1, voltage value X2.If bonding machine
Device people's welding circuit electric current, voltage setting value I0, U0, then welding robot welding circuit current error Δ 1=X1-I0, electric
Press error delta 2=X2-U0.
(3) result judgement
If welding robot welding circuit electric current, voltage error are not more than defined electric current, voltage error limiting value, welding
Robot welding loop current, voltage are qualified, and otherwise welding robot welding circuit electric current, voltage are unqualified.
2, method validation
More function are measured with welding robot welding current, the voltage calibration device calibrated through qualified metering validation activity
Can prover current or voltage shelves current or voltage value, measurement result and multi-functional prover current or voltage shelves setting value it
Difference is not more thanMeasurement result accurate and effective.U in formula1And U2Respectively welding robot welding current or electricity
The uncertainty of measurement and multi-functional prover for pressing calibrating installation measurement multi-functional prover current or voltage calibrate electric current used
Or the uncertainty of measurement of voltage gear.
3, it traces to the source
Welding robot welding current, voltage calibration device are calibrated through defense-related science, technology and industry electricity level-one measuring station, electricity
Stream, voltage error are respectively less than 0.5%.
As can be seen from the above technical solutions, the present embodiment welding robot welding current, voltage calibration device have remote
From welding scene acquire calibration data, it is easy to operate, it is small in size, it is light-weight, it is easy to carry the features such as.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (9)
1. a kind of welding robot welding current, voltage calibration device characterized by comprising measuring device, is adopted converter
Collect emission control component, wireless access point device and computer and controls display system；Measuring device connecting welding robot, butt welding
Welding robot welding current, voltage carry out real-time measurement, obtain actual welding electric current and the corresponding current measurement value of voltage,
The current measurement value is sent to converter, and two current measurement signals are converted to acquisition emission control component by converter
Receivable voltage signal, input acquisition emission control component, by wireless access point device, computer control display system is connect
The signal of acquisition emission control component transmitting is received, and records the overall process of measurement in a manner of curve, it is automatic to calculate acquisition data
Average value, average value is converted into robot welding system's loop current value, voltage value simultaneously multiplied by the conversion coefficient of converter
As measurement result.
2. welding robot welding current as described in claim 1, voltage calibration device, which is characterized in that the measurement is set
Standby includes current sensor and voltage sensor, distinguishes butt welding machine device people by current sensor and voltage sensor and welds electricity
Stream, voltage carry out real-time measurement.
3. welding robot welding current as claimed in claim 2, voltage calibration device, which is characterized in that the electric current passes
Sensor is Hall current sensor.
4. welding robot welding current as described in claim 1, voltage calibration device, which is characterized in that the converter
Conversion coefficient be sensor ratio coefficient divided by its resistance value.
5. welding robot welding current as described in claim 1, voltage calibration device, which is characterized in that described wirelessly to connect
Entering point device includes transmitting antenna.
6. welding robot welding current as claimed in claim 2, voltage calibration device, which is characterized in that the calibration cartridge
It sets including cabinet, current sensor (1), voltage sensor (2) are arranged in cabinet, and wireless access point device is arranged outside the enclosure
Portion.
7. welding robot welding current as claimed in claim 6, voltage calibration device, which is characterized in that on the cabinet
It is additionally provided with current measurement mouth (3) and voltage measurement mouth (4), current measurement mouth (3) and voltage measurement mouth (4) external welding robot
Current sensor (1) and voltage sensor (2) is inscribed in people.
8. welding robot welding current as claimed in claim 7, voltage calibration device, which is characterized in that on the cabinet
Charge port (6) are additionally provided with, for powering for calibrating installation all parts.
9. welding robot welding current as claimed in claim 8, voltage calibration device, which is characterized in that on the cabinet
It is additionally provided with electricity to show and key zone (7), for operating with for calibrating installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680073.XU CN209148860U (en) | 2018-10-17 | 2018-10-17 | Welding robot welding current, voltage calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680073.XU CN209148860U (en) | 2018-10-17 | 2018-10-17 | Welding robot welding current, voltage calibration device |
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| Publication Number | Publication Date |
|---|---|
| CN209148860U true CN209148860U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821680073.XU Active CN209148860U (en) | 2018-10-17 | 2018-10-17 | Welding robot welding current, voltage calibration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983140A (en) * | 2018-10-17 | 2018-12-11 | 内蒙古第机械集团股份有限公司 | Welding robot welding current, voltage calibration device |
| CN112453645A (en) * | 2020-11-13 | 2021-03-09 | 重庆长安工业(集团)有限责任公司 | Electric welding machine calibration system for realizing synchronous data acquisition |
-
2018
- 2018-10-17 CN CN201821680073.XU patent/CN209148860U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983140A (en) * | 2018-10-17 | 2018-12-11 | 内蒙古第机械集团股份有限公司 | Welding robot welding current, voltage calibration device |
| CN112453645A (en) * | 2020-11-13 | 2021-03-09 | 重庆长安工业(集团)有限责任公司 | Electric welding machine calibration system for realizing synchronous data acquisition |
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