CN212905407U - Portable electric welder current and voltage meter on-site detector - Google Patents
Portable electric welder current and voltage meter on-site detector Download PDFInfo
- Publication number
- CN212905407U CN212905407U CN202022183295.4U CN202022183295U CN212905407U CN 212905407 U CN212905407 U CN 212905407U CN 202022183295 U CN202022183295 U CN 202022183295U CN 212905407 U CN212905407 U CN 212905407U
- Authority
- CN
- China
- Prior art keywords
- converter
- current
- main controller
- electric welding
- voltage meter
- 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.)
- Active
Links
Images
Landscapes
- Arc Welding Control (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses a portable electric welding current-voltage meter on-site detector, which comprises a detector body and a resistance load, wherein the detector body comprises a case and a display panel, a human-computer interaction interface is arranged on the display panel, a main controller and a high-speed ADC sampling module are arranged in the case, the input end of the high-speed ADC sampling module is connected with an I/V converter and a V/V converter, the output end of the ADC sampling module is connected with the main controller, and the main controller is connected with the display panel; in the detection process, the high-speed ADC sampling module collects signals of the current/voltage meter of the electric welding machine through the I/V converter and the V/V converter and transmits the signals to the main controller, and the main controller processes and compares the signals and transmits the signals to the man-machine interaction interface for displaying, so that the on-site detection of the current/voltage meter of the electric welding machine is realized. The utility model discloses it is small, portable, less to the influence of work process.
Description
Technical Field
The utility model relates to an instrument and meter detects technical field, specific portable electric welding current voltmeter field detector that says so.
Background
Mechanical equipment manufacturing enterprises and construction units have a large number of welding operations under various working conditions such as workshops or fields in the production and construction processes of products, and the output electric quantity parameters of the electric welding machine need to be accurately monitored in real time in the welding process. Monitoring instruments such as current and voltage and the like arranged in various electric welding machines need to be checked regularly, the built-in monitoring instruments need to be disassembled before checking and then are sent to relevant legal departments for checking/calibration, and the monitoring instruments are reinstalled in the electric welding machines after the checking/calibration is qualified. According to the verification regulation of the built-in instrument, the instrument is frequently disassembled and assembled, the disassembling and assembling process is complicated, the electric welding machine after being submitted for inspection must be stopped, and if the verification time is long, the normal operation of production is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable electric welding current voltmeter field detector to need dismantle the back censorship when solving the built-in electric welding current/voltmeter check-up, influence the problem of production process.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does:
a portable electric welding machine current-voltage meter on-site detector comprises a detector body and an external resistance load, wherein during on-site detection, the resistance load is connected with an electric welding machine to be detected; the detector body comprises a case and a display panel arranged on the outer surface of the case, a human-computer interaction interface is arranged on the display panel, a main controller and a high-speed ADC (analog-to-digital converter) sampling module are arranged in the case, the input end of the high-speed ADC sampling module is connected with an I/V (input/output) converter and a V/V (voltage/voltage) converter, the output end of the high-speed ADC sampling module is connected with the main controller, and the main controller is connected with the; the I/V converter and the V/V converter are connected with a to-be-tested voltage/ammeter of the electric welding machine through a joint; in the detection process, the high-speed ADC sampling module collects signals of the current/voltage meter of the electric welding machine through the I/V converter and the V/V converter and transmits the signals to the main controller, and the main controller processes and compares the signals and transmits the signals to the man-machine interaction interface for displaying, so that the on-site detection of the current/voltage meter of the electric welding machine is realized.
Preferably, the I/V converter is a non-contact large current measurement comparison converter, and includes an iron core B, an iron core a, a hall sensor, a low-pass filter circuit, a pre-amplification circuit, a servo current source, and a sampling resistor R, which are connected in series in sequence.
Preferably, the arrangement position of the I/V converter is reserved inside the case.
Preferably, the resistive load comprises a resistor matrix and an auxiliary unit, and the auxiliary unit comprises an air-cooled radiator and an overheating alarm which are connected with the main controller.
The high-speed ADC sampling module is a commercially available AD9481BSUZ-250 module.
The utility model discloses when using, take out the I/V converter from the chassis, be connected with the electric current/voltmeter of the electric welding that awaits measuring, be connected the back with electric resistance load, start the electric welding, high-speed ADC sampling module passes through the information that I/V converter and V/V converter gathered electric current/voltmeter, and give main control unit with signal transmission, main control unit transmits the back with signal processing and shows for man-machine interaction interface, realizes the witnessed inspections to electric welding electric current/voltmeter.
The utility model discloses a work technological parameter does:
the power supply is: AC (220 +/-22) V, 47 Hz-53 Hz; the current and voltage measurement mode is as follows: DC. AC; voltage current measurement range: (0.1-120) V, (3-1000) A; alternating current measurement frequency: 40Hz to 5 kHz; the insulating property is as follows: 50Hz, 1min, 2 kV.
The utility model has the advantages that:
(1) the utility model has small volume and convenient carrying, can realize the accurate detection of the instrument without disassembling the current/voltage meter of the electric welding machine on the spot, saves time and labor, and has less influence on the working process;
(2) the utility model discloses factor of safety is high, possesses good electrical isolation and safety protection function.
Drawings
FIG. 1 is a block diagram of the working principle of the present invention;
fig. 2 is a schematic diagram of the structure of the I/V converter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The portable electric welding machine current-voltage meter field detector shown in fig. 1 comprises a detector body and an external resistance load, wherein during field detection, the resistance load is connected with an electric welding machine to be detected; the detector body comprises a case and a display panel arranged on the outer surface of the case, wherein a human-computer interaction interface is arranged on the display panel, a main controller and a high-speed ADC (analog-to-digital converter) sampling module are arranged in the case, the input end of the high-speed ADC sampling module is connected with an I/V (input/output) converter and a V/V (voltage/voltage) converter, the output end of the high-speed ADC sampling module is connected with the main controller, and the main controller is connected; the I/V converter and the V/V converter are connected with a to-be-tested voltage/ammeter of the electric welding machine through a joint; in the detection process, the high-speed ADC sampling module collects signals of the current/voltage meter of the electric welding machine through the I/V converter and the V/V converter and transmits the signals to the main controller, and the main controller processes and compares the signals and transmits the signals to the man-machine interaction interface for displaying, so that the on-site detection of the current/voltage meter of the electric welding machine is realized.
As shown in fig. 2, the I/V converter is a non-contact large current measurement and comparison converter, and includes an iron core B, an iron core a, a hall sensor, a low-pass filter circuit, a pre-amplifier circuit, a servo current source, and a sampling resistor R, which are connected in series in sequence.
The arrangement position of the I/V converter is reserved in the case.
The resistance load comprises a resistance matrix and an auxiliary unit, wherein the auxiliary unit comprises an air-cooled radiator and an overheating alarm which are connected with the main controller.
The utility model discloses when using, take out the I/V converter from the chassis, be connected with the electric current/voltmeter of the electric welding that awaits measuring, be connected the back with electric resistance load, start the electric welding, high-speed ADC sampling module passes through the information that I/V converter and V/V converter gathered electric current/voltmeter, and give main control unit with signal transmission, main control unit transmits the back with signal processing and shows for man-machine interaction interface, realizes the witnessed inspections to electric welding electric current/voltmeter.
The utility model discloses small, portable need not to dismantle the electric current/voltmeter of electric welding at the scene and can realize the accurate detection of instrument, labour saving and time saving, it is less to the influence of working process.
Claims (4)
1. A portable electric welding machine current-voltage meter on-site detector comprises a detector body and an external resistance load, wherein during on-site detection, the resistance load is connected with an electric welding machine to be detected; the detector body includes quick-witted case and installs display panel on quick-witted external surface of case, the last human-computer interaction interface, its characterized in that of installing of display panel: the case is internally provided with a main controller and a high-speed ADC (analog to digital converter) sampling module, the input end of the high-speed ADC sampling module is connected with the I/V converter and the V/V converter, the output end of the high-speed ADC sampling module is connected with the main controller, and the main controller is connected with the display panel; the I/V converter and the V/V converter are connected with a to-be-tested voltage/ammeter of the electric welding machine through a joint; in the detection process, the high-speed ADC sampling module collects signals of the current/voltage meter of the electric welding machine through the I/V converter and the V/V converter and transmits the signals to the main controller, and the main controller processes and compares the signals and transmits the signals to the man-machine interaction interface for displaying, so that the field detection of the current/voltage meter of the electric welding machine is completed.
2. The portable electric welder current and voltage meter field detector as claimed in claim 1, characterized in that: the I/V converter is a non-contact large current measurement comparison converter and comprises an iron core B, an iron core A, a Hall sensor, a low-pass filter circuit, a pre-amplification circuit, a servo current source and a sampling resistor R which are sequentially connected in series.
3. The portable electric welding machine current and voltage meter field detector as claimed in claim 1 or 2, characterized in that: the arrangement position of the I/V converter is reserved in the case.
4. The portable electric welder current and voltage meter field detector as claimed in claim 3, characterized in that: the resistance load comprises a resistance matrix and an auxiliary unit, wherein the auxiliary unit comprises an air-cooled radiator and an overheating alarm which are connected with the main controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022183295.4U CN212905407U (en) | 2020-09-29 | 2020-09-29 | Portable electric welder current and voltage meter on-site detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022183295.4U CN212905407U (en) | 2020-09-29 | 2020-09-29 | Portable electric welder current and voltage meter on-site detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212905407U true CN212905407U (en) | 2021-04-06 |
Family
ID=75259905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022183295.4U Active CN212905407U (en) | 2020-09-29 | 2020-09-29 | Portable electric welder current and voltage meter on-site detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212905407U (en) |
-
2020
- 2020-09-29 CN CN202022183295.4U patent/CN212905407U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2156204B1 (en) | Method and device for off-line testing of electric motors | |
| CN110614539B (en) | Online real-time monitoring and analyzing method for state of spindle of numerical control machine tool | |
| KR102358522B1 (en) | Igr ANALYSIS AND MONITORING DEVICE FOR USING MICROCONTROLLER UNIT | |
| CN114200381B (en) | Intelligent ammeter reliability detection system and method | |
| CN212905407U (en) | Portable electric welder current and voltage meter on-site detector | |
| CN101666836A (en) | System and method for testing power module | |
| CN206515459U (en) | A kind of actual loading test system of electric energy meter | |
| CN2427816Y (en) | Instrument for measuring and calibrating electricity meter testing device | |
| CN201548632U (en) | On-line monitoring device for capacitive equipment of intelligent transformer substation | |
| CN202939297U (en) | Verification system for ground resistance tester | |
| CN111856268A (en) | Motor and generator fault diagnosis system based on harmonic method | |
| CN203376453U (en) | Torque motor force testing device | |
| CN108351285B (en) | Measuring device and material testing machine | |
| CN108107361A (en) | A kind of lathe driving system of linear motor performance test apparatus | |
| CN109342971B (en) | Fill electric pile part quality detecting system and fill electric pile part detecting system of alternating current direct current | |
| CN210401594U (en) | Motor electromagnetism life evaluation device for new energy automobile | |
| CN203178383U (en) | Vehicle-mounted touch screen controlled full-automatic mutual inductor calibration device | |
| CN110554308A (en) | Characteristic analyzer for electric operating mechanism of isolating switch | |
| CN216248238U (en) | Locomotive grounding switch testing device | |
| CN212540562U (en) | Testing arrangement based on mining converter | |
| CN212568983U (en) | Welding machine life test bench controller | |
| CN205102774U (en) | Aluminium alloy indentation degree of depth detection device | |
| CN206584022U (en) | generating set test network load device | |
| CN211856725U (en) | Portable relay action power testing device | |
| CN214795694U (en) | ECU offline detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |