CN218694822U - Output structure of arc welding machine - Google Patents
Output structure of arc welding machine Download PDFInfo
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- CN218694822U CN218694822U CN202222988056.5U CN202222988056U CN218694822U CN 218694822 U CN218694822 U CN 218694822U CN 202222988056 U CN202222988056 U CN 202222988056U CN 218694822 U CN218694822 U CN 218694822U
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Abstract
The utility model discloses an output structure of electric arc welding machine, the setting of the controlled output line of its positive voltage second of direct current, its switch-on of control module control when being convenient for start, so that carry out the arcing between the inboard conductive connector of rifle head and the outside conductive connector, hall current sensor's setting, whether be convenient for detect have the electric current to flow through the first output line of positive voltage of direct current, whether the positive voltage of input direct current is through the positive voltage output link of direct current promptly, reach the outside conductive connector behind the work piece and form power supply loop, if then the welding machine normally works, the controlled output line disconnection of the positive voltage second of control module control direct current, it compares with the technical scheme who adopts wire winding bulk resistance among the prior art, this technical scheme is convenient for on the one hand and promotes the arc starting ability, on the other hand can prolong the life of rifle head, the practicality is good.
Description
Technical Field
The utility model relates to an output structure of electric arc welding machine.
Background
At present, the output structure of some existing arc welding machines is shown in fig. 2, a direct-current positive voltage output circuit has two branches, wherein the first branch is connected with an inner side conductive connector of a gun head after passing through a winding large resistor R, the second branch is electrically connected with a workpiece when in use, the direct-current positive voltage output circuit is connected with an outer side conductive connector of the gun head, although the arrangement mode can reduce the current passing through the winding large resistor R during welding, the direct-current positive voltage output circuit also has certain influence on the arc striking capacity between the inner side conductive connector and the outer side conductive connector of the gun head when in starting, and the starting is relatively difficult.
Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes above-mentioned technique is not enough, provides an output structure of electric arc welding machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an output structure of an arc welding machine comprises a control module 1, a gun head 2 and a first direct current positive voltage output line 3 and a second direct current positive voltage controlled output line 4, wherein the input ends of the control module 1, the gun head 2 and the first direct current positive voltage output line 3 are connected together so as to be convenient for inputting direct current positive voltage, a Hall current sensor 30 used for detecting whether current flows through the first direct current positive voltage output line 3 or not is arranged in the first direct current positive voltage output line 3 in series, a signal output end of the Hall current sensor 30 is connected with the control module 1, the second direct current positive voltage controlled output line 4 is controlled by the control module 1 to be switched on/off, the first direct current positive voltage output line 3 is provided with a direct current positive voltage output connecting end 31 used for being electrically connected with a workpiece in use, the gun head 2 is provided with an inner side conductive connecting body 21 located in the center and used for being connected with an output end of the second direct current positive voltage controlled output line 4, an outer side conductive connecting body 22 located outside the inner side conductive connecting body 21 and used for inputting direct current negative voltage and used for being in contact with the workpiece in use, and the inner side conductive connecting body 22 is not in contact with the outer side conductive connecting body.
Preferably, the direct-current positive voltage output connection end 31 is a conductive clip.
Preferably, a relay J1 is arranged in the second controlled output line 4 of the positive dc voltage, and the relay J1 includes a relay coil controlled by the control module 1 to be powered or not, and a relay normally-open switch driven by the relay coil and used for controlling whether the input positive dc voltage can reach the output connection end 31 of the positive dc voltage through the second controlled output line 4 of the positive dc voltage.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the technical scheme is simple and easy to realize, the setting of the controlled output circuit of the second direct-current positive voltage is convenient for starting, the control module controls the on-off of the controlled output circuit of the second direct-current positive voltage so as to facilitate the arc striking between the inner side conductive connector and the outer side conductive connector of the gun head, the Hall current sensor is convenient for detecting whether current flows through the first output circuit of the second direct-current positive voltage, namely, whether the input direct-current positive voltage passes through the direct-current positive voltage output connecting end and the workpiece and then reaches the outer side conductive connector to form a power supply loop, if the welding machine normally works, the control module controls the controlled output circuit of the second direct-current positive voltage to be off, and compared with the technical scheme of adopting a winding large resistor in the prior art, the technical scheme is convenient for improving the arc striking capacity on the one hand, and can prolong the service life of the gun head on the other hand, and has good practicability.
Drawings
Fig. 1 is a structural diagram of the present case.
FIG. 2 is a diagram of an output configuration of a prior art arc welder.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of examples to facilitate understanding by those skilled in the art:
as shown in fig. 1, an output structure of an arc welding machine includes a control module 1, a torch head 2, a first output line 3 of a dc positive voltage and a second controlled output line 4 of the dc positive voltage, where input ends of the first output line 3 of the dc positive voltage and the second controlled output line 4 of the dc positive voltage are connected together so as to be convenient for inputting the dc positive voltage, a hall current sensor 30 for detecting whether a current flows through the first output line 3 of the dc positive voltage is connected in series in the first output line 3 of the dc positive voltage, a signal output end of the hall current sensor 30 is connected to the control module 1, the second controlled output line 4 of the dc positive voltage is controlled by the control module 1 to be turned on/off, the first output line 3 of the dc positive voltage is provided with a dc positive voltage output connection terminal 31 for electrically connecting with a workpiece in use, the torch head 2 is provided with an inner conductive connection body 21 located at a center for connecting with an output end of the second controlled output line 4 of the dc positive voltage, an outer conductive connection body 22 located at an outer side of the inner conductive connection body 21 for inputting a dc negative voltage and for contacting with the workpiece in use, and the outer conductive connection body 22 is not contacted with the outer conductive connection body.
As described above, in practical implementation, the input dc voltage may be a high-frequency high-voltage dc square wave voltage.
As described above, the structure of the present application is simple and easy to implement, the setting of the dc positive voltage second controlled output line 4 is convenient for the control module 1 to control the on-state thereof when starting, so as to facilitate the arc striking between the inner side conductive connector 21 and the outer side conductive connector 22 of the torch head 2, the setting of the hall current sensor 30 is convenient for detecting whether a current flows through the dc positive voltage first output line 3, that is, whether the input dc positive voltage reaches the outer side conductive connector 22 after passing through the dc positive voltage output connection terminal 31 and the workpiece to form a power supply loop, if so, the welding machine normally works, the control module 1 controls the dc positive voltage second controlled output line 4 to be off, and compared with the technical scheme of adopting a large winding resistor in the prior art, the technical scheme is convenient for improving the arc striking capability on one hand, and can prolong the service life of the torch head 2 on the other hand, and has good practicability.
As described above, in specific implementation, the dc positive voltage output connection terminal 31 is a conductive clip, which is convenient for being electrically connected to a workpiece in specific use.
As described above, in specific implementation, the relay J1 is disposed in the second controlled output line 4 for the positive dc voltage, and the relay J1 includes a relay coil controlled by the control module 1 to be powered or not, and a relay normally-open switch driven by the relay coil and used for controlling whether the input positive dc voltage can reach the output connection end 31 of the positive dc voltage through the second controlled output line 4 for the positive dc voltage, so that implementation is convenient.
As mentioned above, the present disclosure is directed to an output structure of an arc welding machine, and all technical solutions identical or similar to the present disclosure should be considered as falling within the scope of the present disclosure.
Claims (3)
1. The utility model provides an output structure of arc welding machine, its characterized in that is including control module (1), rifle head (2), the first output line of the positive voltage of direct current (3) and the controlled output line of the positive voltage of direct current (4) of input end link together so that input positive voltage of Direct Current (DC) and, establish ties in the positive voltage of direct current (3) and be equipped with hall current sensor (30) that are used for detecting whether there is the electric current to flow through the positive voltage of direct current first output line (3), the signal output part of hall current sensor (30) with control module (1) is connected, the controlled output line of the positive voltage of direct current (4) second (4) receive control module (1) control and switch on/off, the positive voltage of direct current first output line (3) is equipped with when using direct current positive voltage output link (31) that is used for being connected with the work piece electricity, rifle head (2) are equipped with be located the center be used for with the inboard electrically conductive connector (21) that is connected with the output end of the positive voltage of direct current second controlled output line (4), be located the inboard electrically conductive connector (21) outside and be used for the contact when using negative pole voltage and electrically conductive connector (22), electrically conductive connector (22) and electrically conduct the work piece outside.
2. The output structure of an arc welding machine according to claim 1, characterized in that said direct current positive voltage output connection terminal (31) is a conductive clip.
3. The output structure of the arc welding machine according to claim 1 or 2, characterized in that a relay J1 is arranged in the second controlled output line (4) of the positive direct current voltage, and the relay J1 comprises a relay coil controlled by the control module (1) to be powered or not, and a relay normally-open switch driven by the relay coil for controlling whether the input positive direct current voltage can reach the output connection end (31) of the positive direct current voltage through the second controlled output line (4) of the positive direct current voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222988056.5U CN218694822U (en) | 2022-11-09 | 2022-11-09 | Output structure of arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222988056.5U CN218694822U (en) | 2022-11-09 | 2022-11-09 | Output structure of arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218694822U true CN218694822U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222988056.5U Active CN218694822U (en) | 2022-11-09 | 2022-11-09 | Output structure of arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218694822U (en) |
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2022
- 2022-11-09 CN CN202222988056.5U patent/CN218694822U/en active Active
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