Welding machine structure of energy storage engine

Abstract

The utility model relates to the technical field of engine welding machines, and discloses an energy storage engine welding machine structure which comprises an instrument panel, a shell, an engine mechanism, a generator, a welding mechanism, a battery mechanism and a base plate mechanism. The welding mechanism is electrically connected with the battery mechanism, and the substrate mechanism is electrically connected with the engine mechanism, the generator, the welding mechanism and the battery mechanism. The control unit is used for storing and releasing welding electric energy through the battery mechanism and is used for controlling the battery releasing capacity through a diode A and a diode B, high voltage of a welding end is prevented from flowing backwards into a battery, and backward flowing of current is prevented through forward conduction releasing capacity and reverse cut-off of the diodes; the generator is driven by the engine, the rotor is rotated to cut the stator, three paths of alternating current output are generated, one path supplies power to the alternating current, and the other two paths supplies power to the welding A and the welding B, which are mutually independent and do not influence each other.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine welding machine discloses energy storage engine welding machine structure. BACKGROUND

[0002] The engine welding machine is also called the generator and welding dual-purpose machine, which is rotated by the gasoline engine or diesel engine as power to generate electricity, and the low-voltage alternating current generated by the generator is changed into direct current through the rectifier, and then the arc welding is realized through the IGBT chopper control circuit; the high-voltage alternating current (AC220V / AC380V) generated by the generator can also be used as a generator; the device is powered by the engine, so it is called the engine welding machine, and it can be used as an electric welding machine and a generator, so it is also called the generator and welding dual-purpose machine.

[0003] The traditional engine welding machine is powered by the internal combustion engine, and the internal combustion engine drives the generator to generate electricity and weld; the welding output is provided by the power unit through the internal combustion engine, and once the internal combustion engine fails or runs out of fuel, the entire welding structure will stop running, and the practicability is low. INVENTION CONTENTS

[0004] In view of the defects in the prior art, the energy storage engine welding machine structure provided by the utility model adopts the battery and the internal combustion engine as the power unit to provide welding output, which is convenient to use.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] The energy storage engine welding machine structure comprises an instrument panel, a shell, an engine mechanism, a generator, a welding mechanism, a battery mechanism and a base plate mechanism, the instrument panel is installed on the shell, the shell is installed outside the engine mechanism, the engine mechanism is arranged in cooperation with the generator, the welding mechanism is electrically connected with the battery mechanism, and the base plate mechanism is electrically connected with the engine mechanism, the generator, the welding mechanism and the battery mechanism.

[0007] Further, the instrument panel is provided with a first socket, a second socket, a navigation socket, a preheating switch, a circuit breaker, a display screen, a welding terminal B, an oil gauge, a welding terminal A, a controller and a switching switch.

[0008] Further, the shell comprises a control box, a top plate, a battery box, a rear support, an inspection plate, a middle column, a base, a front inspection plate and a safety seat, the base is installed at the bottom of the entire engine welding machine, the control box is installed at the front side of the base, the rear support is installed at the rear side of the base, the middle column is installed at the middle of the base, the engine and generator supports are installed at the two sides of the base, the reactor A and the reactor B are installed at the front bottom middle of the base, and the diode A and the diode B are installed at the front bottom two sides of the base.

[0009] The instrument panel is installed right above the control box, the chopper module A is installed at the lower left side of the control box, the chopper module B is installed at the lower right side of the control box, the current sensor A and the current sensor B are installed at the lower middle side of the control box, the control substrate A and the control substrate B are installed at the lower middle side of the control box, the communication substrate is installed at the upper rear side of the control box;

[0010] The battery mechanism is installed on the rear support, the battery box is installed right behind the rear support, the battery A and the battery B are installed in the battery box, the charger A and the charger B are installed right above the rear support;

[0011] The top plate is installed on the upper side of the control box, the middle column and the rear box body;

[0012] The front inspection plate is installed on the front side of the control box;

[0013] The safety seat is installed on the base;

[0014] The inspection plate is installed on the rear support and the middle column.

[0015] Further, the battery mechanism comprises the battery A and the battery B, the charger A and the charger B, the diode A and the diode B.

[0016] Further, the engine mechanism comprises the battery, the mutual inductor, the fuel tank, the engine, the damping pad, the silencer, the damping pad is installed between the engine and the base, the battery is installed on the left side of the base, the mutual inductor is installed on the right rear side of the control box, the fuel tank is installed on the upper side of the generator, and the engine is installed on the damping pad of the base.

[0017] Further, the generator comprises the rear end cover, the stator, the stator fixing bolt, the middle coupling disc, the shaft, the bearing, the exciter rotor, the exciter stator, the rotor and the fan blade.

[0018] The middle coupling disc is installed on the flywheel shell of the engine, the stator is fixed between the middle coupling disc and the rear end cover, the stator fixing bolt is fixed between the middle coupling disc, the stator and the rear end cover, the rear end cover is installed on the rotor and the stator, the fan blade is fixed between the flywheel of the engine and the rotor shaft, the rotor is installed on the shaft, the exciter rotor is installed on the shaft, and the bearing is installed between the shaft and the rear end cover.

[0019] Further, the substrate mechanism comprises the control substrate A and the control substrate B, the communication substrate, the AVR substrate and the power supply substrate, the AVR substrate is installed on the base, and the power supply substrate is installed on the base.

[0020] According to the technical scheme, the utility model has the advantages of:

[0021] This utility model realizes a three-phase full-bridge rectifier through rectifier half-bridge A+, rectifier half-bridge A-, rectifier full-bridge B+ and rectifier half-bridge B-, rectifies the AC power generated by the generator into pulsating DC power, and filters it through the electrolytic capacitor of the chopper module to become DC power to power chopper A and chopper B.

[0022] The battery mechanism enables the storage and release of welding electrical energy. Diodes A and B are used to control the release capacity of the battery, preventing high voltage from the welding end from flowing back into the battery. The forward conduction release capability of the diodes is used to prevent reverse cutoff from preventing backflow current.

[0023] The generator is driven by the engine, which rotates the rotor to cut the stator and generate three AC power outputs. One output supplies AC power, while the other two supply power to welding A and welding B. They are independent of each other and do not affect each other. Attached Figure Description

[0024] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0025] Figure 1 This is a schematic diagram of the overall external appearance of this utility model;

[0026] Figure 2 This is a schematic diagram of the internal first structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the internal second structure of this utility model;

[0028] Figure 4 This is a schematic diagram of the internal third structure of this utility model.

[0029] Figure label:

[0030] 1 - first socket, 2 - second socket, 3 - navigation socket, 4 - preheating switch, 5 - circuit breaker, 6 - display screen, 7 - instrument panel, 8 - welding terminal B, 9 - oil gauge, 10 - welding terminal A, 11 - controller, 12 - switching switch, 13 - control box, 14 - top plate, 15 - battery box, 16 - rear support, 17 - inspection plate, 18 - intermediate column, 19 - base, 20 - front inspection plate, 21 - chopper module B, 22 - control substrate B, 23 - control substrate A, 24 - chopper module A, 25 - current sensor A, 26 - current sensor B, 27 - battery, 28 - communication substrate, 29 - mutual inductor, 30 - fuel tank, 31 - charger A, 32 - charger B, 33 - battery A, 34 - battery B, 35 - engine, 36 - AVR substrate, 37 - power supply substrate, 38 - fuse seat, 39 - heat dissipation fan, 40 - reactor A, 41 - reactor B, 42 - damping pad, 43 - rectifier half bridge A+, 44 - rectifier half bridge A-, 45 - rectifier half bridge B-, 46 - rectifier half bridge B+, 47 - rear end cover, 48 - stator, 49 - stator fixing bolt, 50 - intermediate coupling disc, 51 - muffler, 52 - diode A, 53 - diode B, 54 - shaft, 55 - bearing, 56 - exciter rotor, 57 - exciter stator, 58 - rotor, 59 - fan blade. DETAILED DESCRIPTION

[0031] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0032] Referring to Figures 1-4 As shown in the figure, the energy storage engine welding machine structure comprises an instrument panel 7, a shell, an engine mechanism, a generator, a welding mechanism, a battery mechanism and a substrate mechanism. The instrument panel 7 is installed on the shell, the shell is installed outside the engine mechanism, the engine mechanism is arranged in cooperation with the generator, the welding mechanism is electrically connected with the battery mechanism, and the substrate mechanism is electrically connected with the engine mechanism, the generator, the welding mechanism and the battery mechanism.

[0033] In this embodiment, the function of the instrument panel is to provide the required engine welding parameter information, the instrument panel 7 is provided with a first socket 1, a second socket 2, a socket 3, a preheating switch 4, a circuit breaker 5, a display screen 6, a welding terminal B 8, an oil gauge 9, a welding terminal A 10, a controller 11 and a switch 12; specifically, the first socket 1 is an AC380V socket, which provides an AC380V voltage output; the second socket 2 is an AC220V socket, which provides an AC220V voltage output; the socket 3 is used for power supply and communication with the wire feeder and automatic welding robot; the preheating switch is used to heat the engine under low temperature conditions; the circuit breaker is used as a switch to control and protect the AC output; the welding terminal A is used to weld the positive and negative output terminals of A; the welding terminal B is used to weld the positive and negative output terminals of B; the display screen is used to display and control the welding parameters, including welding voltage, welding current display and setting, communication status and selection, function setting, etc.; the switch is a single / double switch; that is, through the switch, the welding current of B can be combined into A for output, thereby improving the maximum output current; the controller is an engine controller, which can control the start / stop of the engine, display the speed, AC voltage / frequency, temperature / oil pressure alarm of the engine, etc.; the oil gauge displays the fuel quantity of the engine welding machine.

[0034] The shell refers to the shell part outside the engine welding machine, which not only serves the purpose of beauty, but more importantly, protects the internal electronic accessories and mechanical protection, and ensures the normal operation of the engine welding machine.

[0035] In this embodiment, the shell includes a control box 13, a top plate 14, a battery box 15, a rear support 16, an inspection plate 17, a middle column 18, a base 19, a front inspection plate 20 and a safety seat 38, the base 19 is installed at the bottom of the entire engine welding machine, the control box 13 is installed at the front side of the base 19, the rear support 16 is installed at the rear side of the base 19, the middle column 18 is installed in the middle of the base 19, the engine 35 and the generator support are installed on both sides of the base 19, the reactor A 40 and the reactor B 41 are installed in the middle of the front bottom of the base 19, and the diode A 52 and the diode B 53 are installed on both sides of the front bottom of the base 19;

[0036] The control box 13 is the main control component of the engine welding machine, the instrument panel is installed directly above the control box 13, the chopper module A 24 is installed at the lower left side of the control box 13, the chopper module B 21 is installed at the lower right side of the control box, the current sensor A 25 and the current sensor B 26 are installed at the lower middle of the control box, the control base plate A 23 and the control base plate B 22 are installed in the middle of the control box, and the communication base plate 28 is installed at the upper rear side of the control box;

[0037] The rear support 16 is used to support the battery mechanism and the engine welding machine. The battery mechanism is installed on the rear support 16, the battery box 15 is installed at the rear of the rear support 16, the battery A 33 and the battery B 34 are installed in the battery box 15, and the charger A 31 and the charger B 32 are installed above the rear support 16.

[0038] The middle column is used to support and hoist the engine welding machine.

[0039] The top plate 14 is installed on the upper side of the control box, the middle column and the rear box body, and is used for rainproof and protection of the top of the engine welding machine.

[0040] The front inspection plate is installed on the front side of the control box, and is used for inspection of the control box and internal accessories.

[0041] The fuse holder 38 is installed on the base and is used for overload protection of alternating current.

[0042] The inspection plate 17 is installed on the rear support and the middle column, and is used for inspection of engine accessories.

[0043] In this embodiment, the battery mechanism includes battery A and battery B, charger A and charger B, diode A and diode B. Specifically, the battery A and the battery B are used to store the electric energy during the welding interval of the welding electrode A and B, and release the electric energy during welding. The battery A and the battery B adopt a lithium iron phosphate battery pack and have a low-temperature heating function to meet the charging and discharging in a low-temperature environment. The charger A and the charger B are used to control the conversion of the electric energy during the welding interval of the welding electrode A and B into the battery A and the battery B. The diode A and the diode B are used to control the release of the battery capacity and prevent the high voltage at the welding end from flowing back into the battery. The diode A and the diode B release the capacity by using the forward conduction of the diode and prevent the backflow current by using the reverse blocking of the diode.

[0044] In this embodiment, the engine mechanism is a power unit of the engine welding machine. The engine mechanism includes a storage battery 27, a mutual inductor 29, a fuel tank 30, an engine 35, a shock pad 42 and a silencer 51. The shock pad 42 is installed between the engine 35 and the base 19, the storage battery 27 is installed on the left side of the base 19, the mutual inductor 29 is installed on the right rear side of the control box 13, the fuel tank 30 is installed on the upper side of the generator, and the engine 35 is installed on the shock pad 42 of the base 19. Specifically, the shock pad is made of rubber material and is used for shock absorption of the engine welding machine. The mutual inductor 29 is an alternating current mutual inductor and is used for detecting alternating current. The silencer 51 is used for silencing the engine and is installed on the exhaust port of the engine. The storage battery is used for starting the engine and supplying power to the control circuit. The engine is a double-cylinder diesel air-cooled engine.

[0045] The generator is used to be driven by the engine, rotate the rotor to cut the stator, and generate three-way alternating current output. One way is to supply power to the alternating current 380V and 220V, and the other two ways are to supply power to the welding A and the welding B, which are independent of each other and do not affect each other.

[0046] In this embodiment, the generator includes a rear end cover 47, a stator 48, a stator fixing bolt 49, an intermediate coupling disc 50, a shaft 54, a bearing 55, an exciter rotor 56, an exciter stator 57, a rotor 58, and fan blades 59.

[0047] The intermediate coupling disc 50 is mounted on the flywheel housing of the engine 35 for connecting the engine and the generator; the stator 48 is fixed between the intermediate coupling disc 50 and the rear end cover 47, and the stator is used for generating three-phase alternating current coil embedding; the stator fixing bolt 49 is fixed between the intermediate coupling disc 50, the stator 48 and the rear end cover 47, and is used for fixing the intermediate coupling disc, the stator and the rear end cover; the rear end cover 47 is mounted on the rotor 58 and the stator 48, and is used for fixing the stator, the rotor and the exciter stator of the generator; the rear end cover 47 is installed on the rear side of the generator; the fan blades 59 are fixed between the flywheel of the engine and the rotor shaft, and are used for heat dissipation of the generator; the rotor 58 is installed on the shaft 54, and the rotor 58 is the generator rotor, which generates a magnetic field to cut the stator coil to generate electricity; the exciter rotor 56 is installed on the shaft 54, and converts the electric energy by cutting the electromagnetic field generated by the exciter stator to control the rotor to generate electricity; the bearing 55 is installed between the shaft 54 and the rear end cover 47; and the bearing is used for supporting the rotor; the shaft is the rotor shaft, which is used for connecting the rotor, the exciter rotor and the fan; and the exciter stator is used for generating a controllable electromagnetic field to control the generator to generate electricity.

[0048] The welding unit is used for controlling the main components and circuits of welding, and includes a chopper module A and a chopper module B, a current sensor A and a current sensor B, a rectifier half-bridge A+ and a rectifier half-bridge A-, a rectifier full-bridge B+ and a rectifier half-bridge B-, an electric reactor A and an electric reactor B, and a fan.

[0049] The chopper module A and the chopper module B are used for controlling the welding current of A and B, and are composed of electrolytic capacitors, film capacitors, IGBTs, circuit boards, drives, copper bars and connecting wires;

[0050] The current sensor A and the current sensor B are used for detecting and controlling the welding current of A and B;

[0051] The rectifier half-bridge A+ and the rectifier half-bridge A- are used for realizing a three-phase rectifier full-bridge, rectifying the alternating current generated by the generator into pulsating direct current, filtering the pulsating direct current through electrolytic capacitors of the chopper module to become direct current, and supplying power to the chopper A;

[0052] The rectifier full-bridge B+ and the rectifier half-bridge B- are used for realizing a three-phase rectifier full-bridge, rectifying the alternating current generated by the generator into pulsating direct current, filtering the pulsating direct current through electrolytic capacitors of the chopper module to become direct current, and supplying power to the chopper B;

[0053] The electric reactor A and the electric reactor B are used for output filter inductance of welding A and B, and play a role in welding current filtering;

[0054] Fan is used for heat dissipation of chopper A, B, is installed outside the chopper.

[0055] In the embodiment, the substrate mechanism is used for controlling the circuit board substrate mechanism of welding, power generation, communication and power supply, which comprises control substrate A23 and control substrate B22, communication substrate 28, AVR substrate 36 and power supply substrate 37. The AVR substrate 36 is installed on the base 19, and the power supply substrate is installed on the base 19.

[0056] The control substrate A and the control substrate B are used for controlling and displaying the welding parameters and function selection of the welding A and B.

[0057] The communication substrate 28 is used for the communication of the welding display screen and the external wire feeder, and the automatic welding robot.

[0058] The AVR substrate is a generator control substrate, which controls the generator voltage, controls the current of the exciter through the voltage feedback and the switch of the MOS tube, controls the current of the rotor of the exciter through the magneto-electric conversion, realizes the control of the generator voltage, and is installed on the base.

[0059] The power supply substrate is the voltage and current required by the wire feeder, control substrate, display screen and other power supply, which is installed on the base.

[0060] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should be covered in the scope of the claims and the specification of the utility model.

Claims

1. A structure of a storage engine welding machine characterized by: The utility model relates to a welding machine, including instrument panel (7), shell, engine mechanism, generator, welding mechanism, battery mechanism, base plate mechanism, instrument panel (7) is installed on the shell, the shell is installed on the engine mechanism outside, the engine mechanism is arranged with the generator, welding mechanism is connected with battery mechanism electricity, base plate mechanism is connected with engine mechanism, generator, welding mechanism, battery mechanism electricity.

2. The stored energy engine welder structure of claim 1, wherein: The instrument panel (7) is provided with first socket (1), second socket (2), navigation socket (3), preheating switch (4), circuit breaker (5), display screen (6), welding terminal B (8), fuel gauge (9), welding terminal A (10), controller (11) and switch (12).

3. The stored energy engine welder structure of claim 2, wherein: The shell includes control box (13), top plate (14), battery box (15), rear support (16), inspection plate (17), intermediate column (18), base (19), front inspection plate (20) and insurance seat (38), the base (19) is installed at the bottom of the whole engine welding machine, the control box (13) is installed at the front side of the base (19), the rear support (16) is installed at the rear side of the base (19), the intermediate column (18) is installed in the middle of the base (19), the engine (35) and the generator support are installed on both sides of the base (19), the reactor A (40) and the reactor B (41) are installed in the middle of the front bottom of the base (19), the diode A (52) and the diode B (53) are installed on both sides of the front bottom of the base (19); The instrument panel is installed directly above the control box (13), the chopper module A (24) is installed at the lower left side of the control box, the chopper module B (21) is installed at the lower right side of the control box, the current sensor A (25) and the current sensor B (26) are installed at the lower middle of the control box, the control base plate A (23) and the control base plate B (22) are installed in the middle of the control box, the communication base plate (28) is installed at the upper rear side of the control box; The battery mechanism is installed on the rear support (16), the battery box (15) is installed directly behind the rear support (16), the battery A (33) and the battery B (34) are installed in the battery box (15), the charger A (31) and the charger (32) are installed directly above the rear support (16); The top plate (14) is installed on the upper side of the control box, the intermediate column and the rear box body; The front inspection plate is installed on the front side of the control box; The insurance seat (38) is installed on the base (19); The inspection plate (17) is installed on the rear support and the intermediate column.

4. The stored energy engine welder structure of claim 3, wherein: The battery mechanism includes the battery A and the battery B, the charger A and the charger B, the diode A and the diode B.

5. The stored energy engine welder structure of claim 4, wherein: The engine mechanism includes the battery (27), the mutual inductor (29), the fuel tank (30), the engine (35), the shock pad (42) and the silencer (51), the shock pad (42) is installed between the engine (35) and the base (19), the battery (27) is installed on the left side of the base (19), the mutual inductor (29) is installed at the right rear side of the control box (13), the fuel tank (30) is installed on the upper side of the generator, and the engine (35) is installed on the shock pad (42) of the base (19).

6. The stored energy engine welder structure of claim 5, wherein: The generator comprises a rear end cover (47), a stator (48), a stator fixing bolt (49), an intermediate disk (50), a shaft (54), a bearing (55), an exciter rotor (56), an exciter stator (57), a rotor (58), and a fan blade (59); The intermediate disk (50) is installed on the flywheel housing of the engine (35); the stator (48) is fixed between the intermediate disk (50) and the rear end cover (47); the stator fixing bolt (49) is fixed between the intermediate disk (50), the stator (48) and the rear end cover (47); the rear end cover (47) is installed on the rotor (58) and the stator (48), the fan blade (59) is fixed between the flywheel of the engine and the rotor shaft; the rotor (58) is installed on the shaft (54); the exciter rotor (56) is installed on the shaft (54); and the bearing (55) is installed between the shaft (54) and the rear end cover (47).

7. The stored energy engine welder structure of claim 6, wherein: The base plate mechanism comprises a control base plate A (23) and a control base plate B (22), a communication base plate (28), an AVR base plate (36), and a power supply base plate (37); the AVR base plate (36) is installed on the base (19); and the power supply base plate is installed on the base (19).

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