CN210755748U - Digital control arc welding machine - Google Patents
Digital control arc welding machine Download PDFInfo
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- CN210755748U CN210755748U CN201921085813.XU CN201921085813U CN210755748U CN 210755748 U CN210755748 U CN 210755748U CN 201921085813 U CN201921085813 U CN 201921085813U CN 210755748 U CN210755748 U CN 210755748U
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Abstract
The utility model provides a digital control arc welding machine, which comprises a shell, a heat dissipation structure and a control device, wherein the heat dissipation structure comprises an air inlet, an air outlet, a first fan and a second fan, the air inlet and the air outlet are respectively arranged on the side walls at the two ends of the shell, the first fan is tightly attached to the inner side of the air inlet, the second fan is tightly attached to the inner side of the air outlet, and a device heat dissipation area is formed between the first fan and the second fan; the inner side of the first fan is provided with a dustproof structure, the dustproof structure comprises a dustproof plate, and two sides of the upper part of the dustproof plate are respectively provided with an outwards-protruding elastic sheet; the shell is provided with a slot corresponding to the dust guard, and two sides of the upper part of the slot are provided with limit slots corresponding to the elastic sheets; the top of the dust guard extends to the outer side of the shell and is provided with a handle; the control device comprises a main switch, a switching power supply, a voltage stabilizing module, a light touch switch, a control chip and a relay assembly, wherein the relay assembly comprises a first relay, a second relay, a third relay and a fourth relay, the use is flexible and convenient, and the heat dissipation and dust removal effects are simultaneously considered.
Description
Technical Field
The utility model belongs to the technical field of digital arc welding machine, concretely relates to digital control arc welding machine.
Background
The arc welder is a special transformer which changes the network voltage AC into low voltage AC suitable for arc welding and consists of main transformer, required regulating part and indicator. The device has the advantages of simple structure, easy manufacture and repair, low cost, high efficiency and the like; when the arc welding machine works in a workshop, due to the fact that the internal temperature is high after long-time work, on one hand, certain damage is caused to internal devices, and on the other hand, the arc welding effect is influenced; the existing arc welding machine adopts a simple heat radiation fan to radiate heat, although the temperature can be reduced, the existing arc welding machine neglects more scrap iron and dust in a workshop, and easily enters the arc welding machine along with the heat radiation fan to damage internal devices.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a numerical control arc welding machine to solve the problem that its heat dissipation of current arc welding machine and dustproof effect can not compromise.
The utility model provides a following technical scheme:
a digital control arc welding machine comprises a shell, a heat dissipation structure and a control device, wherein the heat dissipation structure comprises an air inlet, an air outlet, a first fan and a second fan, the air inlet and the air outlet are respectively arranged on the side walls of two ends of the shell, the first fan is tightly attached to the inner side of the air inlet, the second fan is tightly attached to the inner side of the air outlet, and a device heat dissipation area is formed between the first fan and the second fan; the inner side of the first fan is provided with a dustproof structure, the dustproof structure comprises a dustproof plate, and two sides of the upper part of the dustproof plate are respectively provided with an outwards-protruding elastic sheet; the shell is provided with a slot corresponding to the dustproof plate, and two sides of the upper part of the slot are provided with limit slots corresponding to the elastic sheets; the top of the dust guard extends to the outer side of the shell and is provided with a handle; the control device comprises a main switch, a switching power supply, a voltage stabilizing module, a touch switch, a control chip and a relay assembly, wherein the relay assembly comprises a first relay, a second relay, a third relay and a fourth relay.
Furthermore, the main switch is externally connected with a mains supply to the switch power supply, the switch power supply is connected to the input end of the voltage stabilizing module, the contact input ends of the first relay and the third relay, the contact input ends of the second relay and the fourth relay are respectively connected with the contact output ends of the first relay and the third relay, and the contact output ends of the second relay and the fourth relay are respectively grounded.
Further, the first fan and the second fan are connected in parallel and then connected between the contact input ends of the second relay and the fourth relay in series; the control ends of the first relay, the second relay, the third relay and the fourth relay are respectively connected to the output end of the control chip, the input end of the control chip is connected to the output end of the voltage stabilizing module through the touch switch, and the touch switch is arranged on the inner side of the limiting groove.
Furthermore, the output end of the voltage stabilizing module is respectively connected to the power supply ends of the control chip, the first relay, the second relay, the third relay and the fourth relay.
Further, the switching power supply is a 24V direct current switching power supply, the voltage stabilizing module is a 5V voltage stabilizing module, and the control chip is an STM32 single chip microcomputer.
Furthermore, the input end of the control chip is connected with a timing module.
Further, the first relay, the second relay, the third relay and the fourth relay are all electromagnetic relays.
Furthermore, a handle is arranged in the center of the upper surface of the shell.
The utility model has the advantages that:
the utility model relates to a digital control arc welding machine, which solves the problem that iron chips and dust are not introduced during the heat dissipation of the arc welding machine through a detachable dust guard, and the dust guard can be directly assembled and disassembled through a handle to be conveniently cleaned; meanwhile, through the ingenious linkage of the control device and the loading and unloading dustproof plate, when the dustproof plate is in an assembly state, the first fan and the second fan rotate positively to suck air into the air inlet and discharge the air from the air outlet, so that heat is dissipated inside the shell; when the dust guard dismantles the state, first fan and second fan reversal are removed dust to the shell inside from gas outlet suction, air inlet discharge with the air, and it is nimble convenient to use, compromise heat dissipation and dust removal effect simultaneously.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic circuit diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention;
labeled as: 1. the portable electronic device comprises a shell, 11 handle, 2 heat dissipation structure, 21 air inlet, 22 air outlet, 23 first fan, 24 second fan, 3 dustproof structure, 31 dustproof plate, 32 handle, 33 slot, 34 limit slot, 35 elastic sheet and 36 tact switch.
Detailed Description
As shown in fig. 1, a digital control arc welding machine comprises a housing 1, a heat dissipation structure 2 and a control device, wherein a handle 11 is arranged in the center of the upper surface of the housing 1, the heat dissipation structure 2 comprises an air inlet 21, an air outlet 22, a first fan 23 and a second fan 24, the air inlet 21 and the air outlet 22 are respectively arranged on the side walls at two ends of the housing 1, the first fan 23 is tightly attached to the inner side of the air inlet 21, the second fan 24 is tightly attached to the inner side of the air outlet 22, and a device heat dissipation area is formed between the first fan 23 and the second fan 24; the inner side of the first fan 23 is provided with a dustproof structure 3, the dustproof structure 3 comprises a dustproof plate 31, and two sides of the upper part of the dustproof plate 31 are respectively provided with an outwardly convex elastic sheet 35; the shell 1 is provided with a slot 33 corresponding to the dust guard 31, and two sides of the upper part of the slot 33 are provided with limit slots 34 corresponding to the elastic sheets 35; the top of the dust-proof plate 31 extends to the outer side of the shell 1 and is provided with a handle 32; the control device comprises a main switch, a switching power supply, a voltage stabilizing module, a light touch switch 36, a control chip and a relay assembly, wherein the relay assembly comprises a first relay, a second relay, a third relay and a fourth relay, and the first relay, the second relay, the third relay and the fourth relay are all electromagnetic relays.
As shown in fig. 2, the main switch is externally connected to the mains supply to a switching power supply, the switching power supply is connected to the input end of the voltage stabilizing module and the contact input ends of the first relay and the third relay, the contact input ends of the second relay and the fourth relay are respectively connected with the contact output ends of the first relay and the third relay, the contact output ends of the second relay and the fourth relay are respectively grounded, and the first fan 23 and the second fan 24 are connected in parallel and then connected in series between the contact input ends of the second relay and the fourth relay; first relay, the second relay, the control end of third relay and fourth relay is connected to control chip's output respectively, control chip's input is connected to voltage stabilizing module's output through dabbing switch 36, dabbing switch 36 and locating spacing groove 34 inboardly, voltage stabilizing module's output is connected to control chip respectively, first relay, the second relay, the feeder ear of third relay and fourth relay, switching power supply is 24V DC switch power supply, voltage stabilizing module is 5V voltage stabilizing module, control chip is the STM32 singlechip, the control chip input is connected with timing module.
In the working process of the specific embodiment, the dust-proof plate 31 in the initial state is inserted along the slot, the elastic sheet 35 is meshed and fixed with the limiting groove 34, the light-touch switch 36 is pressed by the elastic sheet during meshing, and the light-touch switch 36 is closed and conducted; meanwhile, mains supply is introduced by turning on a main switch, the mains supply is converted into 24V direct current through a switching power supply and then converted into 5V direct current through a voltage stabilizing module, the 5V direct current respectively supplies power to a control chip, a first relay, a second relay, a third relay and a fourth relay, at the moment, the input end of the control chip receives a high level signal as the light touch switch 36 is switched on, the output end of the control chip drives the first relay and the fourth relay to be switched on, at the moment, the first fan 23 and the second fan 24 are positively switched on to forward the 24V direct current to introduce external air from the air inlet 21 and then discharge the external air from the air outlet 22, and heat is dissipated inside the;
when needs clear up dust guard 31, mention clean place with this arc welding machine through handle 11, then take out dust guard 31 through handle 32, this moment because shell fragment 35 leaves the light touch switch, light touch switch 36 cuts off, low level signal is received to control chip's input this moment, control chip output drive second relay and third relay switch on, first fan 23 and second fan 24 reverse switch-on 24V direct current reversal introduce external air from gas outlet 22 this moment, then air inlet 21 discharges, the inside dust removal of shell 1, the manual work is simultaneously carried out the sanitization with the dust guard 31 of taking out.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A digital control arc welding machine is characterized by comprising a shell, a heat dissipation structure and a control device, wherein the heat dissipation structure comprises an air inlet, an air outlet, a first fan and a second fan, the air inlet and the air outlet are respectively arranged on the side walls of two ends of the shell, the first fan is tightly attached to the inner side of the air inlet, the second fan is tightly attached to the inner side of the air outlet, and a device heat dissipation area is formed between the first fan and the second fan; the inner side of the first fan is provided with a dustproof structure, the dustproof structure comprises a dustproof plate, and two sides of the upper part of the dustproof plate are respectively provided with an outwards-protruding elastic sheet; the shell is provided with a slot corresponding to the dustproof plate, and two sides of the upper part of the slot are provided with limit slots corresponding to the elastic sheets; the top of the dust guard extends to the outer side of the shell and is provided with a handle; the control device comprises a main switch, a switching power supply, a voltage stabilizing module, a touch switch, a control chip and a relay assembly, wherein the relay assembly comprises a first relay, a second relay, a third relay and a fourth relay.
2. The digitally controlled arc welder of claim 1, wherein said main switch is externally connected to a mains supply to said switching power supply, said switching power supply is connected to an input of said voltage regulator module and contact inputs of said first relay and said third relay, contact inputs of said second relay and said fourth relay are connected to contact outputs of said first relay and said third relay, respectively, and contact outputs of said second relay and said fourth relay are connected to ground, respectively.
3. The digitally controlled arc welder of claim 2, wherein said first fan is connected in parallel with said second fan and then connected in series between contact inputs of said second relay and said fourth relay; the control ends of the first relay, the second relay, the third relay and the fourth relay are respectively connected to the output end of the control chip, the input end of the control chip is connected to the output end of the voltage stabilizing module through the touch switch, and the touch switch is arranged on the inner side of the limiting groove.
4. The digitally controlled arc welder of claim 3, wherein the output of said voltage regulation module is connected to the power supply terminals of said control chip, said first relay, said second relay, said third relay and said fourth relay, respectively.
5. The digitally controlled arc welder of claim 4, wherein said switching power supply is a 24V DC switching power supply, said regulator block is a 5V regulator block, and said control chip is an STM32 single chip microcomputer.
6. The digitally controlled arc welder of claim 5, wherein a timing module is connected to said control chip input.
7. The digitally controlled arc welder of claim 2, wherein said first relay, said second relay, said third relay and said fourth relay are all electromagnetic relays.
8. A digitally controlled arc welder according to claim 1, wherein a handle is centrally located on the upper surface of said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085813.XU CN210755748U (en) | 2019-07-11 | 2019-07-11 | Digital control arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085813.XU CN210755748U (en) | 2019-07-11 | 2019-07-11 | Digital control arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210755748U true CN210755748U (en) | 2020-06-16 |
Family
ID=71063113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921085813.XU Active CN210755748U (en) | 2019-07-11 | 2019-07-11 | Digital control arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210755748U (en) |
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2019
- 2019-07-11 CN CN201921085813.XU patent/CN210755748U/en active Active
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