CN219425898U - Novel cordless rechargeable welding gun - Google Patents
Novel cordless rechargeable welding gun Download PDFInfo
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- CN219425898U CN219425898U CN202222190896.7U CN202222190896U CN219425898U CN 219425898 U CN219425898 U CN 219425898U CN 202222190896 U CN202222190896 U CN 202222190896U CN 219425898 U CN219425898 U CN 219425898U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of cordless rechargeable welding guns, in particular to a novel cordless rechargeable welding gun, which comprises a shell, a control circuit board and a welding head; the welding head is fixed at the front end of the shell through a heat-resistant bracket; the rear end of the shell is provided with an air inlet window, a switch button and an air outlet are arranged above the shell, a switch board is arranged below the shell, and a fan, a battery, a control circuit board and a display lamp circuit board are arranged inside the shell; the switch button, the switch board, the fan, the battery and the display lamp circuit board are electrically connected with the control circuit board; the edge of the shell is processed in an arc manner; the casing below the switch board is provided with an anti-slip groove. The novel cordless charging type welding gun provided by the utility model is characterized in that the fan can enable air in the shell to circulate through the air outlet and the air inlet window to achieve the heat dissipation effect, and the novel cordless charging type welding gun is free of power line constraint, portable, light and convenient to use, can charge products by using a mobile phone charger, and responds to the call of energy conservation and emission reduction.
Description
Technical Field
The utility model relates to the technical field of cordless rechargeable welding guns, in particular to a novel cordless rechargeable welding gun.
Background
An electric welding gun is a tool for welding by generating high temperature through a conductor by using electric current, and is an ideal tool for maintenance lovers and electronic factories. However, at present, the two series of electric welding guns, namely a plastic welding gun and a soldering tin welding gun, are not mutually common due to different welding purposes, and the welding guns on the market at present are mainly alternating current welding guns, so that the use places and the use range are greatly restricted.
The existing electric welding gun needs to be connected with a power supply for working, faults can not be found in time when the operation is performed, the electric welding gun can not be used for welding plastic and soldering tin at the same time, and in the electric welding process, the temperature rise in the machine shell is not detected and relieved, so that the damage in the use process is easily caused; however, the existing cordless plastic welding machine on the market has unique function and can not solder.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a novel cordless charging type welding gun which is a product for realizing the rapid heating function by using battery power and performing work compatible operations such as welding, soldering tin welding, other types of hot melt welding, scalding and the like of plastic products by using high temperature generated by a working head (or welding wire). The portable electric welding machine has the characteristics of portability, convenient use, rapid temperature rise and the like, and solves the defects that the temperature rise in the machine shell is not detected or relieved in the electric welding process, and the damage of a cordless charging type welding gun is easy to cause in the use process.
The technical scheme adopted for solving the technical problems is as follows: a novel cordless rechargeable welding gun comprises a shell, a control circuit board and a welding head; the welding head is fixed at the front end of the shell through a heat-resistant bracket; the rear end of the shell is provided with an air inlet window, a switch button and an air outlet are arranged above the shell, a switch board is arranged below the shell, and a fan, a battery, a control circuit board and a display lamp circuit board are arranged inside the shell; the switch button, the switch board, the fan, the battery and the display lamp circuit board are electrically connected with the control circuit board; the edge of the shell is processed in an arc manner; the casing below the switch board is provided with an anti-slip groove.
According to another embodiment of the utility model, the control circuit board further comprises a charging circuit, a welding switch control circuit, a battery detection circuit, a welding work control circuit, a key start circuit, a fan control circuit, an LED indicator light control circuit and a singlechip main control circuit; the welding switch control circuit is connected with the charging circuit; the battery detection circuit comprises a battery electric quantity detection circuit and a battery temperature detection circuit, and the charging circuit, the welding switch control circuit, the welding work control circuit, the key starting circuit, the fan control circuit, the LED indicator light control circuit, the battery electric quantity detection circuit and the battery temperature detection circuit are connected with the singlechip main control circuit.
According to another embodiment of the present utility model, the fan control circuit is electrically connected to the fan; the LED indicator lamp control circuit is electrically connected with the display lamp circuit board; the key starting circuit is electrically connected with the switch button; the charging circuit is electrically connected with the battery; the switch board is electrically connected with the welding work control circuit.
According to another embodiment of the present utility model, the charging circuit pin CHG-EN is connected to the singlechip master circuit terminal P30, and the pin MCU-IN-TEST is connected to the singlechip master circuit terminal P16.
According to another embodiment of the utility model, the welding switch control circuit pin SEN-CUR is connected with the singlechip main control circuit terminal P11, and the pin MCU-PWM1 is connected with the singlechip main control circuit terminal P22.
According to another embodiment of the present utility model, the battery power detection circuit pin SEN-VOL is connected to the single-chip microcomputer main control circuit terminal P10, and the battery temperature detection circuit pin SEN-NTC is connected to the single-chip microcomputer main control circuit terminal P15.
According to another embodiment of the present utility model, the KEY start-up circuit pin POWER-EN is connected to the singlechip main control circuit terminal P33, and the pin KEY-POWER is connected to the singlechip main control circuit terminal P31.
According to another embodiment of the present utility model, the FAN control circuit pin FAN is connected to the singlechip main control circuit terminal P35, and the welding WORK control circuit pin KEY-WORK is connected to the singlechip main control circuit terminal P33.
According to another embodiment of the present utility model, the LED indicator control circuit pin LED1 is connected to the single-chip microcomputer main control circuit terminal P24, the pin LED2 is connected to the single-chip microcomputer main control circuit terminal P17, the pin LED3 is connected to the single-chip microcomputer main control circuit terminal P61, and the pin LED4 is connected to the single-chip microcomputer main control circuit terminal P60.
The novel cordless charging type welding gun provided by the utility model has the beneficial effects that the novel cordless charging type welding gun can be used for welding plastics and soldering tin, and is characterized in that the fan can enable air in the shell to circulate through the air outlet and the air inlet window to achieve the heat dissipation effect, the novel cordless charging type welding gun is free of power line constraint, portable, light and convenient to use, meanwhile, a mobile phone charger can be used for charging products, and the novel cordless charging type welding gun responds to the call of energy conservation and emission reduction.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 (a) is an enlarged view of a portion of the battery charging circuit of FIG. 4;
FIG. 4 (b) is an enlarged view of a portion of the weld switch control circuit of FIG. 4;
FIG. 4 (c) is an enlarged view of a portion of the battery detection circuit of FIG. 4;
FIG. 4 (d) is a partial enlarged view of the key-on circuit of FIG. 4;
FIG. 4 (e) is an enlarged view of a portion of the fan control circuit of FIG. 4;
FIG. 4 (f) is an enlarged view of a portion of the LED indicator light control circuit of FIG. 4;
FIG. 4 (g) is a partial enlarged view of the master control circuit of the SCM of FIG. 4;
FIG. 4 (h) is an enlarged view of a portion of the weld work control circuit of FIG. 4;
fig. 4 is a schematic circuit diagram of the control system on the control circuit board.
In the figure, 1, a shell, 2, a control circuit board, 2-1, a battery charging circuit, 2-2, a welding switch control circuit, 2-3, a battery detection circuit, 2-3-1, a battery electric quantity detection circuit, 2-3-2, a battery temperature detection circuit, 2-4, a key starting circuit, 2-5, a fan control circuit, 2-6, an LED indicator light control circuit, 2-7, a singlechip main control circuit, 2-8, a welding work control circuit, 3, a welding head, 4, a heat-resistant bracket, 5, an air inlet window, 6, a switch button, 7, an air outlet, 8, a switch board, 9, a fan, 10, a battery, 11 and a display lamp circuit board.
Detailed Description
Fig. 1 is a schematic structural diagram of the utility model, a novel cordless rechargeable welding gun, which comprises a casing 1, a control circuit board 2 and a welding head 3; the welding head 3 is fixed at the front end of the shell 1 through a heat-resistant bracket 4; the rear end of the shell 1 is provided with an air inlet window 5, a switch button 6 and an air outlet 7 are arranged above the shell, a switch board 8 is arranged below the shell, and a fan 9, a battery 10, a control circuit board 2 and a display lamp circuit board 11 are arranged inside the shell; the switch button 6, the switch board 8, the fan 9, the battery 10 and the display lamp circuit board 11 are electrically connected with the control circuit board 2; the edge of the shell 1 is processed in an arc manner; the casing 1 below the switch plate 8 is provided with an anti-slip groove.
Specifically, the welding head 3 can replace various forms to cooperate with a cordless rechargeable welding gun to perform welding work of plastics and soldering tin, the fan 9 can perform cold air cooling in the working of the cordless rechargeable welding gun, the fan 9 is formed by matching a motor and a fan blade according to the addition of actual working conditions, and the motor can be any motor such as a brushless motor, a magnetic steel motor, a hollow cup motor and the like; the display lamp circuit board 11 plays a role of an indication and alarm lamp after being electrified; the casing 1 below the switch board 8 is provided with an anti-slip groove, so that a worker can conveniently grip the cordless charging type welding gun in the welding process, and the welding machine can be matched with arc treatment to be more in line with ergonomic design so as to prevent the worker from being scratched in the welding process.
According to another embodiment of the present utility model, the control circuit board 2 further includes a charging circuit 2-1, a welding switch control circuit 2-2, a battery detection circuit 2-3, a welding work control circuit 2-8, a key start circuit 2-4, a fan control circuit 2-5, an LED indicator control circuit 2-6 and a singlechip master control circuit 2-7; the welding switch control circuit 2-2 is connected with the charging circuit 2-1; the battery detection circuit 2-3 comprises a battery electric quantity detection circuit 2-3-1 and a battery temperature detection circuit 2-3-2, wherein the charging circuit 2-1, the welding switch control circuit 2-2, the welding work control circuit 2-8, the key starting circuit 2-4, the fan control circuit 2-5, the LED indicator lamp control circuit 2-6, the battery electric quantity detection circuit 2-3-1 and the battery temperature detection circuit 2-3-2 are connected with the singlechip main control circuit 2-7.
Specifically, the singlechip main control circuit 2-7 comprises a power supply loop, a reset circuit, a programming port and a control detection IO port, and can control the charging circuit 2-1, the welding switch control circuit 2-2, the welding work control circuit 2-8, the key starting circuit 2-4, the fan control circuit 2-5, the LED indicator lamp control circuit 2-6, the battery electric quantity detection circuit 2-3-1 and the battery temperature detection circuit 2-3-2; the singlechip master control circuit 2-7 selects a singlechip chip U2, and the singlechip chip U2 can be selected from various singlechip chips with proper models.
According to another embodiment of the present utility model, the fan control circuit 2-5 is further electrically connected to the fan 9; the LED indicator lamp control circuit 2-6 is electrically connected with the display lamp circuit board 11; the key starting-up circuit 2-4 is electrically connected with the switch button 6; the charging circuit 2-1 is electrically connected with the battery 10; the switch board 8 is electrically connected with the welding work control circuit 2-8.
According to another embodiment of the present utility model, the charging circuit 2-1 pin CHG-EN is connected to the terminal P30 of the singlechip master control circuit 2-7, and the pin MCU-IN-TEST is connected to the terminal P16 of the singlechip master control circuit 2-7.
Specifically, when the welding gun is connected with the charger, on one hand, the key is started to work to generate working voltage, and the singlechip main control circuit is electrified to work; on the other hand, the SCM master control circuit detects the level change through MCU-IN-TEST of pins 2-7, and starts to charge by opening CHG-EN. The singlechip master control circuit 2-7 monitors the change of the battery detection circuit 2-3 at the same time, namely the change of the battery electric quantity detection circuit 2-3-1 and the battery temperature detection circuit 2-3-2, and the CHG-EN is closed to charge under the condition that a certain condition is met.
According to another embodiment of the utility model, the welding switch control circuit further comprises a pin SEN-CUR of the welding switch control circuit 2-2 connected with a terminal P11 of the singlechip main control circuit 2-7, and a pin MCU-PWM1 connected with a terminal P22 of the singlechip main control circuit 2-7.
Specifically, the current detection in the loop of the welding switch control circuit 2-2 is used for detecting the welding working condition, plays a role in controlling temperature and protecting, and then transmits detection information to the singlechip main control circuit 2-7 through the pin SEN-CUR; the SCM master control circuit 2-7 generates a specified pulse frequency through the pin MCU-PWM1 to control the welding switch control circuit 2-2.
According to another embodiment of the present utility model, the battery power detection circuit 2-3-1 pin SEN-VOL is connected to the single-chip microcomputer main control circuit 2-7 terminal P10, and the battery temperature detection circuit 2-3-2 pin SEN-NTC is connected to the single-chip microcomputer main control circuit 2-7 terminal P15.
Specifically, the battery power detection circuit 2-3-1 is configured to detect the power of the battery 10; the battery temperature detection circuit 2-3-2 changes the circuit temperature.
According to another embodiment of the present utility model, the KEY start-up circuit further includes a pin POWER-EN of the KEY start-up circuit 2-4 connected to the terminal P33 of the main control circuit 2-7 of the single chip microcomputer, and a pin KEY-POWER connected to the terminal P31 of the main control circuit 2-7 of the single chip microcomputer.
According to another embodiment of the utility model, the FAN control circuit 2-5 pin FAN is connected with the terminal P35 of the singlechip main control circuit 2-7, and the welding WORK control circuit 2-8 pin KEY-WORK is connected with the terminal P33 of the singlechip main control circuit 2-7.
Specifically, when the equipment works, in order to prevent overheat protection of the electrical equipment, a fan control circuit 2-5 is added to cool; the welding operation control circuit 2-8 is capable of starting the cordless rechargeable welding gun to start operation.
According to another embodiment of the utility model, the LED indicator lamp control circuit further comprises a pin LED1 of the LED indicator lamp control circuit 2-6 connected with a terminal P24 of the singlechip main control circuit 2-7, a pin LED2 connected with a terminal P17 of the singlechip main control circuit 2-7, a pin LED3 connected with a terminal P61 of the singlechip main control circuit 2-7, and a pin LED4 connected with a terminal P60 of the singlechip main control circuit 2-7.
Specifically, each group of LED lamps of the LED indicator lamp control circuit 2-6 is controlled by the singlechip master control circuit 2-7 to play roles of indication, alarm and the like; each group of LED lamps of the LED indicator lamp control circuit 2-6 is capable of displaying a corresponding battery level or fault code.
The specific operation process is that when a worker presses a switch button 6 of a key starting circuit 2-4 for a long time, a singlechip main control circuit 2-7 gets electricity to start working, a charging circuit 2-1 starts charging by opening an opening pin CHG-EN, when a switch board 8 is pressed down again, a welding work control circuit 2-8 gets an instruction to transmit the instruction to the singlechip main control circuit 2-7, the singlechip main control circuit 2-7 pin MCU-PWM1 generates a specified pulse frequency to control the welding switch control circuit 2-2, a welding wire heats, a welding head 3 heats to start working, the singlechip main control circuit 2-7 simultaneously monitors the change of a battery electric quantity detection circuit 2-3-1 and a battery temperature detection circuit 2-3-2, the pin MCU-PWM1 is closed under certain conditions, the welding circuit is disconnected to protect a battery, when the singlechip main control circuit 2-7 detects the data of the battery temperature detection circuit 2-3-2, if a certain value is reached, the singlechip main control circuit 2-7 pin FAN outputs a high level, and the FAN 9 gets electricity to start working to cool air; the electric fan 9 circulates air, exchanges through the air inlet window 5 and the air outlet 7, achieves the purpose of cooling, and the LED indicator lamp control circuit 2-6 displays corresponding battery electric quantity or fault codes according to the control of the singlechip main control circuit 2-7.
The above description is illustrative of the utility model and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, changes or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (9)
1. The novel cordless charging type welding gun is characterized by comprising a machine shell (1), a control circuit board (2) and a welding head (3); the welding head (3) is fixed at the front end of the shell (1) through a heat-resistant bracket (4); the rear end of the shell (1) is provided with an air inlet window (5), a switch button (6) and an air outlet (7) are arranged above the shell, a switch board (8) is arranged below the shell, and a fan (9), a battery (10), a control circuit board (2) and a display lamp circuit board (11) are arranged inside the shell; the switch button (6), the switch board (8), the fan (9), the battery (10) and the display lamp circuit board (11) are electrically connected with the control circuit board (2); the edge of the shell (1) is processed in an arc manner; the casing (1) below the switch plate (8) is provided with an anti-slip groove.
2. The novel cordless charging type welding gun according to claim 1, wherein the control circuit board (2) comprises a charging circuit (2-1), a welding switch control circuit (2-2), a battery detection circuit (2-3), a welding work control circuit (2-8), a key start circuit (2-4), a fan control circuit (2-5), an LED indicator lamp control circuit (2-6) and a singlechip master control circuit (2-7); the welding switch control circuit (2-2) is connected with the charging circuit (2-1); the battery detection circuit (2-3) comprises a battery electric quantity detection circuit (2-3-1) and a battery temperature detection circuit (2-3-2), and the charging circuit (2-1), the welding switch control circuit (2-2), the welding work control circuit (2-8), the key starting circuit (2-4), the fan control circuit (2-5), the LED indicator lamp control circuit (2-6), the battery electric quantity detection circuit (2-3-1) and the battery temperature detection circuit (2-3-2) are connected with the singlechip main control circuit (2-7).
3. The novel cordless charging type welding gun according to claim 2, wherein the fan control circuit (2-5) is electrically connected with a fan (9); the LED indicator lamp control circuit (2-6) is electrically connected with the display lamp circuit board (11); the key starting-up circuit (2-4) is electrically connected with the switch button (6); the charging circuit (2-1) is electrically connected with the battery (10); the switch board (8) is electrically connected with the welding work control circuit (2-8).
4. The novel cordless charging type welding gun according to claim 2, wherein a pin CHG-EN of the charging circuit (2-1) is connected with a terminal P30 of the single chip microcomputer main control circuit (2-7), and a pin MCU-IN-TEST is connected with a terminal P16 of the single chip microcomputer main control circuit (2-7).
5. The novel cordless charging type welding gun according to claim 2, wherein a pin SEN-CUR of the welding switch control circuit (2-2) is connected with a terminal P11 of the single chip microcomputer main control circuit (2-7), and a pin MCU-PWM1 is connected with a terminal P22 of the single chip microcomputer main control circuit (2-7).
6. The novel cordless rechargeable welding gun according to claim 2, wherein a pin SEN-VOL of the battery power detection circuit (2-3-1) is connected to a terminal P10 of the single chip microcomputer main control circuit (2-7), and a pin SEN-NTC of the battery temperature detection circuit (2-3-2) is connected to a terminal P15 of the single chip microcomputer main control circuit (2-7).
7. The novel cordless charging type welding gun according to claim 2, wherein a pin POWER-EN of the KEY start-up circuit (2-4) is connected with a terminal P33 of the singlechip main control circuit (2-7), and a pin KEY-POWER is connected with a terminal P31 of the singlechip main control circuit (2-7).
8. The novel cordless charging type welding gun according to claim 2, wherein a FAN control circuit (2-5) pin FAN is connected with a singlechip main control circuit (2-7) terminal P35, and a welding WORK control circuit (2-8) pin KEY-WORK is connected with a singlechip main control circuit (2-7) terminal P33.
9. The novel cordless rechargeable welding gun according to claim 2, wherein the LED indicator lamp control circuit (2-6) is characterized in that a pin LED1 is connected with a terminal P24 of the singlechip main control circuit (2-7), a pin LED2 is connected with a terminal P17 of the singlechip main control circuit (2-7), a pin LED3 is connected with a terminal P61 of the singlechip main control circuit (2-7), and a pin LED4 is connected with a terminal P60 of the singlechip main control circuit (2-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222190896.7U CN219425898U (en) | 2022-08-19 | 2022-08-19 | Novel cordless rechargeable welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222190896.7U CN219425898U (en) | 2022-08-19 | 2022-08-19 | Novel cordless rechargeable welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219425898U true CN219425898U (en) | 2023-07-28 |
Family
ID=87340237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222190896.7U Active CN219425898U (en) | 2022-08-19 | 2022-08-19 | Novel cordless rechargeable welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219425898U (en) |
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2022
- 2022-08-19 CN CN202222190896.7U patent/CN219425898U/en active Active
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