CN204359845U - DC welder output current voltage measuring apparatus - Google Patents
DC welder output current voltage measuring apparatus Download PDFInfo
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- CN204359845U CN204359845U CN201420799763.2U CN201420799763U CN204359845U CN 204359845 U CN204359845 U CN 204359845U CN 201420799763 U CN201420799763 U CN 201420799763U CN 204359845 U CN204359845 U CN 204359845U
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Abstract
The utility model relates to a kind of measuring equipment for the direct current voltage in particular range, in particular to a kind of DC welder output current voltage measuring apparatus, belong to application of electronic technology field, comprise housing, housing is arranged welding machine link, welding machine link connects current sensor, current sensor connects Current Display by current tuning circuit, welding machine link also connects sample resistance, sample resistance connects toggle switch, toggle switch connects adjust circuit and CUT voltage of DC welder voltage respectively and to adjust circuit, DC welder voltage circuit and CUT voltage circuit of adjusting of adjusting is connected voltage display, current sensor, Current Display is connected power supply with voltage display, power supply connects power light.The utility model structure is simple, easy to use, measures accurately, can display measurement result directly perceived, and reliability is high, and cost is low, pollution-free.
Description
Technical field
The utility model relates to a kind of measuring equipment for the direct current voltage in particular range, and particularly a kind of DC welder output current voltage measuring apparatus, belongs to application of electronic technology field.
Background technology
Welding machine is a kind of for welding the electrical equipment providing the power supply of certain characteristic, and conventional electric welding machine has direct current, interchange, pulse three class from welding current point.At present in welding machine production run, in order to ensure the work of welding machine normal table, the output current of butt welding machine and voltage is all needed to measure, but when measuring, usual use pincerlike meter measures the output current of welding machine, uses the output voltage of multimeter test welding machine, owing to being subject to external environment influence, not only measuring accuracy is not accurate enough, and test is also directly perceived not.And pincerlike meter and multimeter all use powered battery, also add production cost to a certain extent, cause the pollution of environment.
Utility model content
According to above deficiency of the prior art, problem to be solved in the utility model is: provide a kind of structure simple, easy to use, measure accurately, can display measurement result directly perceived, reliability is high, cost is low, and free of contamination DC welder output current voltage measuring apparatus.
The utility model solves the technical scheme that its technical matters adopts:
Described DC welder output current voltage measuring apparatus, comprise housing, housing is arranged welding machine link, welding machine link connects current sensor, current sensor connects Current Display by current tuning circuit, welding machine link also connects sample resistance, sample resistance connects toggle switch, toggle switch connects adjust circuit and CUT voltage of DC welder voltage respectively and to adjust circuit, DC welder voltage circuit and CUT voltage circuit of adjusting of adjusting is connected voltage display, current sensor, Current Display is connected power supply with voltage display, power supply connects power light.
Described DC welder output current voltage measuring apparatus can detect output current and the voltage of welding machine simultaneously, and can be shown intuitively by Current Display and voltage display fast, not only can improve the accuracy of measurement, also reduce the workload of staff, improve work efficiency, avoid the problem of environmental pollution that traditional measurement method brings, reduce cost, and adopt modularized circuit to design, versatility is good, electric current and the magnitude of voltage of ion cutting machine can also be measured by the conversion of toggle switch, add the usable range of device to a certain extent, structure is simple, easy to operate.
Preferred further, power supply comprises electrical network 380V alternating current, electrical network 380V alternating current is connected primary coil 1 pin of Industrial Frequency Transformer and the input end of 2 pin by power switch with protective tube, secondary coil 3 pin of Industrial Frequency Transformer, 4 pin are connected 6 pin of power panel respectively with the output terminal of 5 pin, 5 pin and 4 pin, 1 pin of power panel, 2 pin are connected 1 pin of current sensor with 3 pin, 2 pin and 4 pin, 9 pin of secondary coil and the series connection of 10 pin access light emitting diode and resistance six, 9 pin of secondary coil are also connected the two ends of the power end AC9V of Current Display and voltage display respectively with 10 pin.Power switch can switching device shifter energising whether, red light emitting diodes action during energising, reminds user's equipment to be energized work; Fuse can realize overcurrent protection; Industrial Frequency Transformer and the necessary direct current of power panel generation current working sensor.
Preferred further, current tuning circuit comprises resistance one and potentiometer one; One end of resistance one connects 3 pin of current sensor, the other end of resistance one connects the positive input terminal of potentiometer one rear access Current Display, the negative input end of Current Display connects 3 pin and the potentiometer one of power panel, and current sensor is connected in the loop that welding machine positive output end, welding machine negative output terminal and load form.The electric current display of Current Display and conforming the adjusting of DC welder and the display of CUT output current is realized by resistance one and potentiometer one; Current sensor in the output loop consisted of in " welding machine+" output terminal, " welding machine-" output terminal and " load " string carries out output current sampling, and realizes electric current display by Current Display.
Preferred further, sample resistance is connected in parallel on welding machine positive output end and welding machine negative output terminal, 3 pin of toggle switch are connected after welding machine positive output end resistance in series three, resistance three is connected the positive input terminal of voltage display with the common port of 3 pin of toggle switch, 1 pin of toggle switch and 2 pin are connected to the parallel branch two ends of resistance four and potentiometer two, 5 pin of toggle switch and 6 pin are connected to the parallel branch two ends of resistance five and potentiometer three, 4 pin of toggle switch connect welding machine negative output terminal respectively, 6 pin of toggle switch and the negative input end of voltage display, 8 pin and 9 pin of toggle switch are connected P3 and the PD end of voltage display respectively.Toggle switch upwards stirs conducting 1 pin and 3 pin, 4 pin and 2 pin, the voltage now measuring DC welder exports, toggle switch stirs conducting 5 pin and 3 pin downwards, 4 pin and 6 pin, 8 pin and 9 pin, now measure CUT output voltage, and resistance three, resistance four and potentiometer two achieve the voltage display of voltage display and conforming the adjusting of DC welder voltage display; The voltage display of voltage display and conforming the adjusting of CUT voltage display is achieved by resistance three, resistance five and potentiometer three.
Preferred further, Current Display, voltage display, power switch, toggle switch, power light and protective tube are arranged on the front panel of housing, power panel is fixed on the rear panel of housing, Industrial Frequency Transformer, current sensor, resistance one, resistance three, resistance four, resistance five, resistance six, sample resistance, potentiometer one, potentiometer two and potentiometer three are arranged on enclosure interior, and housing both sides arrange welding machine link.This device parts used are all fixed by square casing and install, simple and compact for structure, easy to use, and convenient mobile during use, a people both can complete surveying work, reduced the workload of staff, improve work efficiency, had stronger practicality.
The beneficial effect that the utility model has is:
1, the utility model adopts modularized circuit design, and versatility is good, simple and reliable, easy to use, and reliability is high, and cost is low, pollution-free.
2, the utility model can measure output current and the voltage of welding machine simultaneously, and measurement is accurate, display speed is fast, reduces the workload of staff, saves the working time.
3, the utility model has wide range of applications, not only may be used for the output current voltage measuring DC welder and CUT, also be applicable to the measurement of all 900A and below 1999V DC current and voltage, also can be expanded the measurement range of electric current and voltage by adjustment current sensor and digital display meter head further.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is the utility model circuit connection diagram;
Fig. 3 is the utility model external structure schematic diagram;
In figure, 1, housing; 2, welding machine link; 3, current tuning circuit; 4, power supply; 5, DC welder voltage is adjusted circuit; 6, CUT voltage is adjusted circuit; R1, resistance one; R3, resistance three; R4, resistance four; R5, resistance five; R6, resistance six; R2, sample resistance; RP1, potentiometer one; RP2, potentiometer two; RP3, potentiometer three; U1, Current Display; U2, voltage display; S1, power switch; K1, toggle switch; D1, power light; F1, protective tube; B1, power panel; T1, Industrial Frequency Transformer; BE1, current sensor.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, DC welder output current voltage measuring apparatus described in the utility model, comprise housing 1, housing 1 is arranged welding machine link 2, welding machine link 2 connects current sensor BE1, current sensor BE1 connects Current Display U1 by current tuning circuit 3, welding machine link 2 also connects sample resistance R2, the sub-K switch 1 of sample resistance R2 connection button, toggle switch K1 connects adjust circuit 5 and CUT voltage of DC welder voltage respectively and to adjust circuit 6, DC welder voltage circuit 5 and CUT voltage circuit 6 of adjusting of adjusting is connected voltage display U2, current sensor BE1, Current Display U1 is connected power supply 4 with voltage display U2, power supply 4 connects power light D1.
As shown in Figure 2, power supply 4 comprises electrical network 380V alternating current, electrical network 380V alternating current is connected primary coil 1 pin of Industrial Frequency Transformer T1 and the input end of 2 pin by power switch S1 with protective tube F1, secondary coil 3 pin of Industrial Frequency Transformer T1, 4 pin are connected 6 pin of power panel B1 respectively with the output terminal of 5 pin, 5 pin and 4 pin, 1 pin of power panel B1, 2 pin are connected 1 pin of current sensor BE1 with 3 pin, 2 pin and 4 pin, 9 pin of secondary coil and 10 pin series connection access light emitting diode D1 and resistance six R6, 9 pin of secondary coil are also connected the two ends of the power end AC9V of Current Display U1 and voltage display U2 respectively with 10 pin.
As shown in Figure 2, current tuning circuit 3 comprises resistance one R1 and potentiometer one RP1; One end of resistance one R1 connects 3 pin of current sensor BE1, the positive input terminal of Current Display U1 is accessed after other end connection potentiometer one RP1 of resistance one R1, the negative input end of Current Display U1 connects 3 pin of power panel B1 and potentiometer one RP1, current sensor BE1 and is connected in the loop that welding machine positive output end, welding machine negative output terminal and load form.
As shown in Figure 2, sample resistance R2 is connected in parallel on welding machine positive output end and welding machine negative output terminal, 3 pin of the sub-K switch 1 of connection button after welding machine positive output end resistance in series three R3, resistance three R3 is connected the positive input terminal of voltage display U2 with the common port of 3 pin of toggle switch K1, 1 pin of toggle switch K1 and 2 pin are connected to the parallel branch two ends of resistance four R4 and potentiometer two RP2, 5 pin of toggle switch K1 and 6 pin are connected to the parallel branch two ends of resistance five R5 and potentiometer three RP3, 4 pin of toggle switch K1 connect welding machine negative output terminal respectively, 6 pin of toggle switch K1 and the negative input end of voltage display U2, 8 pin and 9 pin of toggle switch K1 are connected P3 and the PD end of voltage display U2 respectively.
As shown in Figure 3, Current Display U1, voltage display U2, power switch S1, toggle switch K1, power light D1 and protective tube F1 are arranged on the front panel of housing 1, power panel B1 is fixed on the rear panel of housing 1, it is inner that Industrial Frequency Transformer T1, current sensor BE1, resistance one R1, resistance three R3, resistance four R4, resistance five R5, resistance six R6, sample resistance R2, potentiometer one RP1, potentiometer two RP2 and potentiometer three RP3 are arranged on housing 1, and housing 1 both sides arrange welding machine link 2.
Principle of work of the present utility model and use procedure:
The utility model in use, the welding machine link (red-black two copper busbars) of housing 1 both sides connects welding machine positive output end and welding machine negative output terminal by cable, connect electrical network 380V alternating current, closed electrical source switch S1, red light emitting diode D1 action, device energising is started working, after current sensor BE1 is powered by power panel B1, start the output current gathering welding machine, the current signal of collection is undertaken being shown by Current Display U1 after consistance is adjusted by the circuit of adjusting that resistance one R1 and potentiometer RP1 form; Simultaneously, the sample resistance R2 being connected in parallel on welding machine positive output end and welding machine negative output terminal two ends samples the output voltage of welding machine, and the output voltage of welding machine is undertaken being shown by voltage display U2 after consistance is adjusted by the circuit of adjusting that resistance three R3, resistance four R4 and potentiometer RP2 form.Simultaneously, in output voltage Acquisition Circuit, toggle switch K1 is set, the switching of DC welder and the measurement of CUT output voltage can be realized by toggle switch K1, CUT output voltage is before showing by voltage display U2, the circuit of adjusting consisted of resistance three R3, resistance five R5 and potentiometer three RP3 carries out consistance and adjusts, and improves the accuracy measured.
The utility model is simple and compact for structure, easy and simple to handle, cost is low, measures accurately, and can display measurement result intuitively, compared with traditional measuring method, the utility model greatly reduces the workload of staff, improves work efficiency, reduces cost of labor, avoid environmental pollution, there is stronger practicality.
Claims (6)
1. a DC welder output current voltage measuring apparatus, comprise housing (1), housing (1) is arranged welding machine link (2), it is characterized in that: welding machine link (2) connects current sensor (BE1), current sensor (BE1) connects Current Display (U1) by current tuning circuit (3), welding machine link (2) also connects sample resistance (R2), sample resistance (R2) connects toggle switch (K1), toggle switch (K1) connects adjust circuit (5) and CUT voltage of DC welder voltage respectively and to adjust circuit (6), DC welder voltage circuit (5) and CUT voltage circuit (6) of adjusting of adjusting is connected voltage display (U2), current sensor (BE1), Current Display (U1) is connected power supply (4) with voltage display (U2), power supply (4) connects power light (D1).
2. DC welder output current voltage measuring apparatus according to claim 1, it is characterized in that: described power supply (4) comprises electrical network 380V alternating current, electrical network 380V alternating current is connected primary coil 1 pin of Industrial Frequency Transformer (T1) and the input end of 2 pin by power switch (S1) with protective tube (F1), secondary coil 3 pin of Industrial Frequency Transformer (T1), 4 pin are connected 6 pin of power panel (B1) respectively with the output terminal of 5 pin, 5 pin and 4 pin, 1 pin of power panel (B1), 2 pin are connected 1 pin of current sensor (BE1) with 3 pin, 2 pin and 4 pin, 9 pin of secondary coil and the series connection of 10 pin access light emitting diode (D1) and resistance six (R6), 9 pin of secondary coil are also connected the two ends of the power end AC9V of Current Display (U1) and voltage display (U2) respectively with 10 pin.
3. DC welder output current voltage measuring apparatus according to claim 1, is characterized in that: described current tuning circuit (3) comprises resistance one (R1) and potentiometer one (RP1); One end of resistance one (R1) connects 3 pin of current sensor (BE1), the other end of resistance one (R1) connects the positive input terminal that potentiometer one (RP1) accesses Current Display (U1) afterwards, and the negative input end of Current Display (U1) connects 3 pin and the potentiometer one (RP1) of power panel (B1).
4. the DC welder output current voltage measuring apparatus according to claim 1,2 or 3, is characterized in that: described current sensor (BE1) is connected in the loop that welding machine positive output end, welding machine negative output terminal and load form.
5. DC welder output current voltage measuring apparatus according to claim 1, it is characterized in that: described sample resistance (R2) is connected in parallel on welding machine positive output end and welding machine negative output terminal, welding machine positive output end resistance in series three (R3) connects 3 pin of toggle switch (K1) afterwards, resistance three (R3) is connected the positive input terminal of voltage display (U2) with the common port of 3 pin of toggle switch (K1), 1 pin of toggle switch (K1) and 2 pin are connected to the parallel branch two ends of resistance four (R4) and potentiometer two (RP2), 5 pin of toggle switch (K1) and 6 pin are connected to the parallel branch two ends of resistance five (R5) and potentiometer three (RP3), 4 pin of toggle switch (K1) connect welding machine negative output terminal respectively, 6 pin of toggle switch (K1) and the negative input end of voltage display (U2), 8 pin and 9 pin of toggle switch (K1) are connected P3 and the PD end of voltage display (U2) respectively.
6. DC welder output current voltage measuring apparatus according to claim 1, it is characterized in that: described Current Display (U1), voltage display (U2), power switch (S1), toggle switch (K1), power light (D1) and protective tube (F1) are arranged on the front panel of housing (1), power panel (B1) is fixed on the rear panel of housing (1), Industrial Frequency Transformer (T1), current sensor (BE1), resistance one (R1), resistance three (R3), resistance four (R4), resistance five (R5), resistance six (R6) sample resistance (R2), potentiometer one (RP1), it is inner that potentiometer two (RP2) and potentiometer three (RP3) are arranged on housing (1), housing (1) both sides arrange welding machine link (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799763.2U CN204359845U (en) | 2014-12-16 | 2014-12-16 | DC welder output current voltage measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799763.2U CN204359845U (en) | 2014-12-16 | 2014-12-16 | DC welder output current voltage measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204359845U true CN204359845U (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420799763.2U Expired - Fee Related CN204359845U (en) | 2014-12-16 | 2014-12-16 | DC welder output current voltage measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204359845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807268A (en) * | 2017-09-28 | 2018-03-16 | 江苏陆地方舟新能源车辆股份有限公司 | A kind of Portable voltage detection means |
-
2014
- 2014-12-16 CN CN201420799763.2U patent/CN204359845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807268A (en) * | 2017-09-28 | 2018-03-16 | 江苏陆地方舟新能源车辆股份有限公司 | A kind of Portable voltage detection means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20171216 |