Purpose of the present invention, provide a kind of asynchronous induction noiselessness high-efficiency electromagnetic pump soft brazing single/double wave crest generator, it can not only be eliminated fully and exist in (SMT) soft brazing, because the gas shield brazing filler metal district that thermal decomposition produced of the alite paste that scaling powder and surface element (SMC) and surface device (CMD) are used, cause skip welding and leak the weldering phenomenon, and since the efficient of induction type noiselessness high-efficiency electromagnetic pump than the present high 8-10 of electromagnetic pump efficient doubly, crest height 40mm, width can reach 400mm, crack width 12mm can drive out of effectively and cover gas, eliminates skip welding and CMC, the shadow region of CMD reaches the specification requirement of SMT soft brazing.And can well exchange with the mechanical pump peak generator.
Content of the present invention comprises noiselessness high-efficiency electromagnetic pump, welding reservoir, pump chamber, compositions such as return duct is characterized in that, noiselessness high-efficiency electromagnetic pump is by outer shroud iron core (2), interior ring (3) unshakable in one's determination, excitatory line bag (9) and liquid metal pump chamber (8), return duct (4), compensation (6) unshakable in one's determination, flow deflector (5), fin compositions such as (1).In excitatory line bag (9), insert single-phase on request, the alternating voltage of two-phase or three-phase or heterogeneous certain amplitude and certain frequency, similar Principle of Electric Engine, in outer shroud iron core (2), pump chamber (8), liquid metal in the pump chamber, between the interior ring (3) unshakable in one's determination, produce rotating excitation field, liquid metal is cutting magnetic line in rotating excitation field, produce induced-current, inductive current direction is perpendicular to magnetic direction, parallel with pump chamber (8) axis direction, according to Faraday's law, current is subjected to Lorentz force in magnetic field, direction is perpendicular to the magnetic direction and the sense of current, therefore produce liquid metal in pump chamber (8) around axis rotation, installation spirality flow deflector (5) between pump chamber (8) and interior ring iron core (3), the liquid metal that rotatablely moves is changed into screw, realize the purpose of pumping liquid metal.
Now be described further in conjunction with the accompanying drawings with preferred embodiment:
Accompanying drawing 1 also is embodiment.A kind of asynchronous induction type noiselessness high-efficiency electromagnetic pump soft brazing single/double wave crest generator of design is by noiselessness high-efficiency electromagnetic pump, welding reservoir, pump chamber, compositions such as return duct is characterized in that, noiselessness high-efficiency electromagnetic pump is by outer shroud iron core (2), interior ring (3) unshakable in one's determination, excitatory line bag (9) and liquid metal pump chamber (8), return duct (4), compensation (6) unshakable in one's determination, flow deflector (5), fin compositions such as (1).The outer shroud iron core (2) of noiselessness high-efficiency electromagnetic pump is annular laminated core, on outer shroud iron core (2), be evenly equipped with wire casing, excitatory line bag (9) is embedded in the wire casing, pump chamber (8) passes the interior ring of outer shroud iron core (2), ring (3) unshakable in one's determination is fixed in the pump chamber (8) in the laminate patch, the interior ring of ring (3) unshakable in one's determination in return duct (4) passes, one end is communicated with pump chamber, the other end is communicated with welding reservoir (7), and flow deflector (5) is between the pump chamber (8), fin (1) is fixed on the outer shroud of outer shroud iron core (2), form shell mechanism, laminate patch compensation (6) unshakable in one's determination is fixed on pump chamber (8) afterbody, can penetrate the interior ring of outer shroud iron core (2) simultaneously again.In the side of welding reservoir (7) two independently pump chamber (8) and handful row can be arranged, also can hold in both hands two opposites that are listed in welding reservoir (6), or two adjacent surfaces, comprise the bottom.Pump chamber (8) and return duct (4) are made of stainless steel tube or titanium alloy tube, and flow deflector (5) prepares with titanium alloy or stainless steel material, and interior ring (3) unshakable in one's determination can overcoat titanium alloy tube or stainless steel tube.Outer wrapped mica tape of excitatory line bag (9) lead or Kapton, heatproof reaches 260-300 ℃, the distribution principle of excitatory line bag (9) in outer shroud iron core (2) wire casing, similar coil of stator of motor distribution principle, after excitatory line bag (9) is connected three-phase or single phase alternating current power supply, in outer shroud iron core (2) and interior ring (3) unshakable in one's determination and liquid metal solder between the two, produce rotating excitation field.Excitatory line bag (9) is embedded in the wire casing of outer shroud iron core (2), fin shell (1) is sleeved on the outer shroud of outer shroud iron core (2), constitute an integral body, this integral body can go up on the compensation iron core (6) that reaches pump chamber (8) afterbody at pump chamber (8) and move back and forth, and regulates the electromagnetic push size.The interior ring cavity of ring (3) unshakable in one's determination in return duct (4) can pass, an end is communicated with pump chamber (8), and the other end is communicated with welding reservoir (7), also can directly draw from pump chamber (8) afterbody, directly is communicated with welding reservoir (7), ring (3) unshakable in one's determination in not passing.Fin (1) shell can be that cast iron or casting aluminium material constitute.
Excitatory line bag (9) power supply that applies can be an AC power, can be dc source, can be three phase mains, can be single phase poaer supply, and excitatory line holds that method is corresponding with it to get final product.
The coil winding of excitatory line bag (9), basic identical with the coil of stator of motor winding.The adjusting of electromagnetic push size also can be regulated by frequency converter.
In excitatory line bag (9), insert the alternating voltage of single-phase two-phase or three-phase or heterogeneous certain amplitude and certain frequency on request, similar Principle of Electric Engine, liquid metal in outer shroud iron core (2) pump chamber (8) pump chamber, between the interior ring (3) unshakable in one's determination, produce rotating excitation field, liquid metal is cutting magnetic line in rotating excitation field, produce induced-current, inductive current direction is perpendicular to magnetic direction, parallel with pump chamber (8) axis direction, according to Faraday's law, current is subjected to Lorentz force in magnetic field, and direction is perpendicular to the magnetic direction and the sense of current, therefore produce liquid metal in pump chamber (8) around axis rotation, between pump chamber (8) and interior ring (3) unshakable in one's determination, spirality flow deflector (5) is installed, the liquid metal that rotatablely moves is changed into screw, realize the purpose of pumping liquid metal.Return duct (4) one ends are connected with welding reservoir (7), and an end is connected with pump chamber (8) afterbody, and the backflow of liquid metal is provided, and forms the purpose of continuous pumping liquid metal.Compensation (6) concentric unshakable in one's determination is installed in the afterbody of pump chamber (8), be close to afterbody, mobile outer shroud iron core (2), reduce outer shroud iron core (2) and the interior overlapping area of encircling (3) unshakable in one's determination, be equivalent to reduce the overlapping area of rotating excitation field and liquid metal, and square being directly proportional of the size of induced electricity magnetic force and this overlapping area, therefore by changing the position of outer shroud iron core (2), can regulate the electromagnetic push size easily continuously, thereby regulate crest height.When not compensating (6) unshakable in one's determination, when moving outside the internal mutually ring of outer shroud iron core (2) (3) unshakable in one's determination, because overlapping area reduces, being equivalent to air-gap increases, excitatory line bag (9) electric current will increase, and increase after the compensation (6) unshakable in one's determination, when moving outside the internal mutually ring of outer shroud iron core (2) (3) unshakable in one's determination, be equivalent to air-gap and reduce, excitatory line bag (9) electric current will reduce.
The size of electromagnetic push also can be regulated by frequency converter, and principle is identical with the variable frequency adjustment of motor speed.
Because principle of the present invention is based on complete symmetric magnetic field and realize electromagnetic induction thrust under the magnetic field condition fully continuously, therefore, electromagnetic pump efficient height, the reverse electromagnetic induction thrust effect that does not have the end of linear electromagnetic pump to produce because magnetic field is discontinuous, there is not the linear electromagnetic pump because magnetic field is asymmetric, electromagnetic attraction can't be offset (comprising magnetostrictive effect) and the vibrations and the noise that produce, and (electromagnetic attraction be Lorentz force 20 surplus times), realize complete noiselessness.
Noiselessness high-efficiency electromagnetic pump is installed in the side of welding reservoir (7), dual waves particularly, two noiselessness high-efficiency electromagnetic pumps are also held in both hands a side that is installed in welding reservoir, also two asynchronous induction noiselessness electromagnetic pumps can be installed on the bottom surface of welding reservoir (6) bottom.The liquid metal solder pumps pump chamber (8) through noiselessness high-efficiency electromagnetic pump, enters nozzle (10) ejection through current stabilization, wherein enters the random crest of formation of narrow nozzle spout, enters the flat crest of formation of wide nozzle spout.
The liquid metal soft solder material of ejection in dropping process, falls into welding reservoir (7) earlier behind splash-back, can guarantee that so the main liquid level of welding reservoir (7) is not by disturbance.
Because during noiselessness high-efficiency electromagnetic pump pumping liquid metal, there are not any rotatable parts, can not produce the extra oxidation of the rotation Mach stem generation liquid metal of mechanical pump at the liquid metal liquid level, therefore can effectively reduce the oxidation of liquid metal, reduce production costs.