Alternating current and direct current hybrid power multifunctional welding machine

Abstract

The utility model discloses an alternating current and direct current hybrid power multifunctional welding machine which comprises a base, a battery connected to the base, a machine shell connected to the base, and a welding main circuit board, an inversion boosting circuit board and a control display circuit board connected to the interior of the machine shell. The battery supplies power to the inversion boost circuit board, the inversion boost circuit board is electrically connected to the welding main circuit board, the control display circuit board is electrically connected to the welding main circuit board, and a power line for supplying power is connected to the welding main circuit board; a first output connector, a second output connector, a control connector, a digital display screen and a setting adjusting device are connected to the machine shell, the first output connector and the second output connector are electrically connected to the welding main circuit board, and the control connector, the digital display screen and the setting adjusting device are electrically connected to the control display circuit board. Compared with the prior art, the dual-power-supply hybrid power system with alternating-current power grid power supply and battery direct-current power supply is achieved, and the welding requirements of various places with or without electricity are met.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to an AC / DC hybrid power multifunctional welding machine. Background Art

[0002] A welding machine refers to an electrical appliance that provides power with certain characteristics for welding. Welding is widely used in various fields due to its advantages of flexibility, simplicity, convenience, firmness and reliability, and even the same strength as the parent material after welding.

[0003] Traditional welding machines require an external power supply. With the development of society, when welding operations need to be carried out in areas where normal power supply cannot reach, such as temporary planning and construction of new areas, construction and maintenance of remote infrastructure, and high mountains and altitudes, an auxiliary generator must be equipped, which makes welding operations more troublesome. Utility Model Content

[0004] The purpose of the utility model is to provide an AC / DC hybrid multifunctional welding machine, which realizes a dual-power hybrid system of AC grid power supply and battery DC power supply, meets the welding needs of various places with or without electricity, and solves the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An AC / DC hybrid multifunctional welding machine comprises a base, a battery is connected to the base, a housing is connected to the base, a welding main circuit board, an inverter boost circuit board and a control display circuit board are connected in the housing; the battery supplies power to the inverter boost circuit board, the inverter boost circuit board is electrically connected to the welding main circuit board, the control display circuit board is electrically connected to the welding main circuit board, and a power line for power supply is connected to the welding main circuit board; a first output connector for connecting a welding gun, a second output connector for connecting a grounding clamp, a control connector, a digital display screen and a setting adjustment device are connected to the housing, the first output connector and the second output connector are electrically connected to the welding main circuit board, and the control connector, the digital display screen and the setting adjustment device are electrically connected to the control display circuit board.

[0007] A further improvement of the utility model is that the base is in a U-shape, three card slots are arranged at the bottom of the base, and the batteries are three lithium battery packs, which are respectively connected to the three card slots.

[0008] A further improvement of the utility model is that the casing includes a front vertical plate, a rear vertical plate and a cover plate; the front vertical plate and the rear vertical plate are connected to the two ends of the top of the base, the support plate is connected between the front vertical plate and the rear vertical plate, and the two ends of the U-shaped cover plate are respectively connected to the front vertical plate and the rear vertical plate.

[0009] A further improvement of the present utility model is that the inverter boost circuit board is connected to the upper surface of the base, the welding main circuit board is connected to the support plate, and the control display circuit board is connected to the inner side of the upper part of the front vertical plate.

[0010] A further improvement of the present utility model is that the adjustment device is provided, including a current regulator and a voltage regulator, and the knobs and digital display screens of the current regulator and the voltage regulator are exposed outside the front vertical plate.

[0011] A further improvement of the present utility model is that at least one fan A and one fan B are connected to the rear vertical plate. Fan A is located at one end of the welding main circuit board, and the welding main circuit board supplies power to the fan. Fan B is located at one end of the inverter boost circuit board, and the inverter boost circuit board supplies power to fan B.

[0012] A further improvement of the present utility model is that a plurality of heat dissipation holes are provided on the front vertical plate and the cover plate.

[0013] A further improvement of the present utility model is that the welding torch includes a manual arc welding pliers, a gas shielded welding torch or a tungsten inert gas welding torch, and the control joint is electrically connected to the switch of the welding torch.

[0014] A further improvement of the present utility model is that a handle is connected to the top end of the cover plate, and two groups of backpack buckles are connected to the rear side of the cover plate.

[0015] The beneficial effects of the present utility model:

[0016] The AC-DC hybrid multi-functional welding machine of the present utility model realizes a dual-power hybrid system of AC grid power supply and battery DC power supply, meeting the welding requirements in various places with or without electricity.

[0017] The AC-DC hybrid multi-functional welding machine of the present utility model is small in size, light in weight, convenient to carry and simple to operate.

[0018] The AC-DC hybrid multi-functional welding machine of the present utility model can be connected to a manual arc welding pliers, a gas shielded welding torch or a tungsten inert gas welding torch, and can use welding materials such as welding rods, flux-cored wires, stainless steel wires, etc., meeting the welding requirements of metal materials such as steel, soft iron, cast iron, galvanized iron, stainless steel, etc.

[0019] The AC-DC hybrid multi-functional welding machine of the present utility model has a U-shaped base, and three lithium battery packs are respectively connected inside the base. The front and rear ends of the lithium battery packs are open, facilitating disassembly, assembly and heat dissipation.

[0020] The AC-DC hybrid multi-functional welding machine of the present utility model is equipped with independent fans for the welding main circuit board and the inverter boost circuit board, with better heat dissipation effect.

[0021] The utility model discloses an AC / DC hybrid power multifunctional welding machine, wherein the rear side of the cover plate is connected with two groups of shoulder strap buckles, so that the operator can carry the welding device on his back during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0024] Figure 3 It is a partial structural schematic diagram of the utility model.

[0025] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0026] Figure 5 It is a schematic diagram of the internal structure of the utility model.

[0027] Figure 6 This is the electrical principle framework diagram of the utility model.

[0028] Figure 7 Schematic diagram of welding state in Example 1.

[0029] Figure 8 This is a schematic diagram of the welding state in Example 2.

[0030] Fig. 9 This is a schematic diagram of the welding state in Example 3.

[0031] In the figure: 1-base, 101-card slot, 2-lithium battery pack, 3-housing, 301-front vertical plate, 302-rear vertical plate, 303-cover plate, 304-heat dissipation hole, 305-handle, 306-strap buckle, 307-adjustment plate, 4-welding main circuit board, 401-first output connector, 402-second output connector, 403-fan A, 5-inverter boost circuit board, 501-fan B, 6-control display circuit board, 601-control connector, 602-digital display screen, 603-current regulator, 604-voltage regulator, 7-manual arc welding clamp, 8-gas shielded welding gun, 9-argon arc welding gun, 10-ground clamp, 11-first output electrode line, 12-second output electrode line. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0033] Example 1: Figures 1 to 6As shown in the figure, an AC-DC hybrid multi-functional welding machine includes a base 1, a battery is connected to the base 1, a machine case 3 is connected to the base 1, and a welding main circuit board 4, an inverter boost circuit board 5 and a control display circuit board 6 are connected inside the machine case 3; the battery supplies power to the inverter boost circuit board 5, the inverter boost circuit board 5 is electrically connected to the welding main circuit board 4, the control display circuit board 6 is electrically connected to the welding main circuit board 4, and a power cord is connected to the welding main circuit board 4, and the power cord is used to connect to a 220V AC power supply; a first output connector 401 for connecting a welding torch, a second output connector 402 for connecting a ground clamp 10, a control connector 601, a digital display screen 602 and a setting adjustment device are connected to the machine case 3, and the first output connector 401 and the second output connector 402 are electrically connected to the welding main circuit board 4, and the control connector 601, the digital display screen 602 and the setting adjustment device are electrically connected to the control display circuit board 6.

[0034] Among them, the base 1 is in a U shape, three card slots 101 are provided at the bottom of the base 1, the battery is three DC20V / 8Ah lithium battery packs 2, and the three lithium battery packs 2 are respectively clamped in the three card slots 101, and the three lithium batteries supply power to the DC-DC auxiliary power supply and the IGBT electronic switch on the inverter boost circuit board 5.

[0035] Among them, the machine case 3 includes a front vertical plate 301, a rear vertical plate 302 and a cover plate 303; the front vertical plate 301 and the rear vertical plate 302 are connected to both ends of the top of the base 1, a support plate 307 is connected between the front vertical plate 301 and the rear vertical plate 302, and both ends of the U-shaped cover plate 303 are respectively connected to the front vertical plate 301 and the rear vertical plate 302.

[0036] Among them, the inverter boost circuit board 5 is connected to the upper surface of the base 1, the welding main circuit board 4 is connected to the support plate 307, and the control display circuit board 6 is connected to the inner side of the upper part of the front vertical plate 301.

[0037] Among them, the setting adjustment device includes a current regulator 603 and a voltage regulator 604. The knobs of the current regulator 603 and the voltage regulator 604 and the digital display screen 602 are exposed outside the front vertical plate 301. The current regulator 603, the voltage regulator 604, the digital display screen 602 and the control connector 601 are connected to the MCU on the control display circuit board 6, and the welding main circuit board 4 supplies power to the MCU.

[0038] Among them, a fan A403 and two fans B501 are connected to the rear vertical plate 302. The fan A403 is located at one end of the welding main circuit board 4, and the welding main circuit board 4 supplies power to the fan. The fan B501 is located at one end of the inverter boost circuit board 5, and the inverter boost circuit board 5 supplies power to the fan B501.

[0039] Among them, a plurality of heat dissipation holes 304 are provided on the front vertical plate 301 and the cover plate 303.

[0040] The welding gun includes a manual arc welding gun 7, a gas shielded welding gun 8 or a argon arc welding gun 9, and the control connector 601 is electrically connected to a switch of the welding gun.

[0041] The top of the cover plate 303 is connected to a handle 305 , and the rear side of the cover plate 303 is connected to two groups of shoulder strap buckles 306 .

[0042] like Figure 7 As shown, in this embodiment, the welding gun is a manual arc welding clamp 7 with integrated current regulation function, the first output electrode line 11 of the manual arc welding clamp 7 is connected to the first output connector 401, the second output electrode line 12 of the ground clamp 10 is connected to the second output connector 402, and the control line connected to the switch on the welding clamp is connected to the control connector 601.

[0043] Example 2: Figure 8 As shown, in this embodiment, the welding gun is a gas-free gas shielded welding gun 8, the first output electrode line 11 of the gas shielded welding gun 8 is connected to the first output connector 401, the second output electrode line 12 of the ground clamp 10 is connected to the second output connector 402, and the control line connected to the switch on the gas shielded welding gun 8 is connected to the control connector 601.

[0044] Apart from this, this embodiment is exactly the same as Embodiment 1 and will not be described in detail here.

[0045] Example 3: Fig. 9 As shown, in this embodiment, the welding gun is an argon arc welding gun 9, the first output electrode line 11 of the argon arc welding gun 9 is connected to the first output connector 401, the second output electrode line 12 of the ground clamp 10 is connected to the second output connector 402, and the control line connected to the switch on the argon arc welding gun 9 is connected to the control connector 601.

[0046] Apart from this, this embodiment is exactly the same as Embodiment 1 and will not be described in detail here.

[0047] The utility model realizes a dual-power hybrid power system of an AC power grid power supply and a battery DC power supply, and meets welding requirements in various places with or without electricity.

[0048] When welding is carried out in an environment with normal power supply, a 220V AC power supply can be connected through a power cord. The 220V AC power supply is converted into a 300V DC power supply after rectification, filtering and voltage transformation. During the welding process, voltage is applied between the electrode / wire and the workpiece, and the arc is ignited through friction or contact. The high temperature of the arc melts the electrode / wire and the workpiece and fuses them together.

[0049] When welding is required in areas where normal power supply cannot reach, three DC20V / 8Ah lithium battery packs 2 can be used for power supply. The 60V DC power supply is converted into a 300V DC power supply after transformation, rectification and filtering by the inverter boost circuit board 5 and supplied to the welding main circuit board 4. During the welding process, voltage is applied between the welding rod / wire and the workpiece, and the arc is ignited by friction or contact. The high temperature of the arc melts the welding rod / wire and the workpiece and fuses them together.

[0050] In addition, when the AC power source is working, the lithium battery pack 2 can be removed or kept on the welding machine.

[0051] The above implementation is only to illustrate the technical concept and features of the utility model, and its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly, and it cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An AC / DC hybrid multifunctional welding machine, characterized in that: It includes a base (1) to which a battery is connected, and a casing (3) is connected to the base (1). Inside the casing (3), a welding main circuit board (4), an inverter boost circuit board (5), and a control display circuit board (6) are connected; the battery supplies power to the inverter boost circuit board (5), the inverter boost circuit board (5) is electrically connected to the welding main circuit board (4), the control display circuit board (6) is electrically connected to the welding main circuit board (4), and a power cord for power supply is connected to the welding main circuit board (4); a first output connector (401) for connecting a welding torch, a second output connector (402) for connecting a ground clamp (10), a control connector (601), a digital display screen (602), and a setting and adjusting device are connected to the casing (3). The first output connector (401) and the second output connector (402) are electrically connected to the welding main circuit board (4), and the control connector (601), the digital display screen (602), and the setting and adjusting device are electrically connected to the control display circuit board (6).

2. The AC / DC hybrid multifunctional welding machine according to claim 1, characterized in that: The base (1) is in a U shape, and three card slots (101) are provided at the bottom of the base (1). The battery is three lithium battery packs (2), and the three lithium battery packs (2) are respectively clamped in the three card slots (101).

3. The AC / DC hybrid multifunctional welding machine as claimed in claim 2, characterized in that: The casing (3) includes a front vertical plate (301), a rear vertical plate (302), and a cover plate (303); the front vertical plate (301) and the rear vertical plate (302) are connected to both ends of the top of the base (1), a support plate (307) is connected between the front vertical plate (301) and the rear vertical plate (302), and both ends of the U-shaped cover plate (303) are respectively connected to the front vertical plate (301) and the rear vertical plate (302).

4. The AC / DC hybrid multifunctional welding machine as claimed in claim 3, characterized in that: The inverter boost circuit board (5) is connected to the upper surface of the base (1), the welding main circuit board (4) is connected to the support plate (307), and the control display circuit board (6) is connected to the inner side of the upper part of the front vertical plate (301).

5. The AC / DC hybrid multifunctional welding machine as claimed in claim 4, characterized in that: The setting and adjusting device includes a current regulator (603) and a voltage regulator (604), and the knobs of the current regulator (603) and the voltage regulator (604) and the digital display screen (602) are exposed outside the front vertical plate (301).

6. The AC / DC hybrid multifunctional welding machine as claimed in claim 3, characterized in that: At least one fan A (403) and one fan B (501) are connected to the rear vertical plate (302). The fan A (403) is located at one end of the welding main circuit board (4), and the welding main circuit board (4) supplies power to the fan A (403). The fan B (501) is located at one end of the inverter boost circuit board (5), and the inverter boost circuit board (5) supplies power to the fan B (501).

7. The AC / DC hybrid multifunctional welding machine as claimed in claim 6, characterized in that: A number of heat dissipation holes (304) are provided on the front vertical plate (301) and the cover plate (303).

8. The AC / DC hybrid multifunctional welding machine as claimed in claim 1, characterized in that: The welding torch includes a manual arc welding pliers (7), a gas shielded welding torch (8), or a tungsten inert gas welding torch (9), and the control connector (601) is electrically connected to the switch of the welding torch.

9. The AC / DC hybrid multifunctional welding machine as claimed in claim 3, characterized in that: A handle (305) is connected to the top end of the cover plate (303), and two groups of backpack buckles (306) are connected to the rear side of the cover plate (303).

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