CN2277314Y - Multi-functional electric soldering iron stand capable of soldering MOS circuit - Google Patents

Abstract

The utility model relates to a multi-functional electric soldering iron stand capable of soldering an MOS circuit. The utility model adopts a two-bit automatic switch S< 1 > and a manual switch S< 2 > as a core. The S< 2 > is positioned at C, and the S< 1 > is positioned at A, which forms a full voltage power supply for soldering an MOS circuit. The S< 2 > is positioned at C, and the S< 1 > is positioned at B, which forms a power-off protection for soldering the MOS circuit. The S< 2 > is positioned at D, and the S< 1 > is positioned at A, which forms a half voltage power supply for soldering a general circuit. The S< 2 > is positioned at D, and the S< 1 > is positioned at B, which forms a full voltage power supply for soldering the general circuit. The utility model is also provided with a blinking indication circuit. The utility model is widely suitable for being used for soldering the MOS circuit or general circuits. The multi-functional electric soldering iron stand can ensure that no device is damaged. The utility model has the advantages of energy saving, simple structure, safety and high efficiency. The service life of an electric soldering iron is extended.

Description

Can weld the multi-functional electric soldering iron frame of MOS circuit

The utility model relates to electrical installation, especially a kind of multi-functional electric soldering iron frame that can weld the MOS circuit.

In the test and production of ordinary electronic circuit product, electric iron is one of the most frequently used instrument, although utilization rate only has about 20% usually at work, it is needed long-term power supply heating.So obvious weak point is both to waste electric energy, causes solder horn to be easy to necrosis again.Particularly some adopts in the process of producing product of MOS type components and parts circuit, use the electric iron operation, produces the accident of static scaling loss MOS device when welding in by electric iron, generation is arranged especially more.

The purpose of utility model is that a kind of improved multi-functional electric soldering iron frame that can weld the MOS circuit will be provided, it can be effectively both frame discharge flatirons, provide again power supply common and that the MOS circuit all can weld, and the saving electric energy.

The purpose of utility model is achieved in that the automatic switch S with two merit positions ₁With hand switch S ₂Be core.S ₂Be positioned at C and S ₁Be positioned at A, one of input is through S ₁Contact K ₁₁, K ₁₂Transport to output one; Another of input is through S ₂Contact K ₂₂, K ₂₁And S ₁Contact K ₁₄, K ₁₅Transport to another of output, constitute the total head power supply circuits of welding MOS circuit.S ₂Be positioned at C and S ₁Be positioned at B, transport to S for one of input ₁Contact K ₁₁Stop; Another of input is through S ₂Contact K ₂₂, K ₂₁Transport to S ₁Contact K ₁₄Stop, constitute the power-off protecting circuit of welding MOS circuit.S ₂Be positioned at D and S ₁Be positioned at A, one of input through S ₁Contact K ₁₁, K ₁₂Transport to output one; Another of input is through diode D ₄And S ₁Contact K ₁₄, K ₁₅Transport to another of output, what constitute the welding circuit common partly presses power supply circuits.S ₂Be positioned at D and S ₁Be positioned at B, one of input through S ₂Contact K ₂₅, K ₂₆And S ₁Contact K ₁₃, K ₁₂Transport to output one; Another of input is through S ₂Contact K ₂₂, K ₂₃And S ₁Contact K ₁₆, K ₁₅Transport to another of output, constitute the total head power supply circuits of welding circuit common.

The flash of light display circuit is the line-to-line at output, is connected in series diode D successively ₁, resistance R, bidirectional trigger diode D ₂With light emitting diode D ₃, and cooperate D ₂Capacitor C ₁

The advantage of utility model: be widely used in welding MOS or common each circuit, ensure that device does not have damage; Save electric energy, prolong the electric iron life-span; Simple in structure, safe and effective.

The concrete structure of utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is a kind of electrical schematic diagram that can weld the multi-functional electric soldering iron frame of MOS circuit;

Fig. 2 is the shaft side figure of this device;

Below in conjunction with details and the working condition of Fig. 1～2 detailed descriptions according to the concrete device that the utility model proposes.

This device comprises closed shell 1, and its wall has power supply flatiron socket 3, luminous tube 2 and the hand switch 8 used, lead 7 input civil powers, adorning in the shell have automatic control station 5, cantilever shalving 4 and this device circuit of vacant station 6.Circuit is a core with two switches of two stations, and one is the automatic switch S of the automatic control station 5 instruction actions of cantilever shalving ₁, another is that the hand switch 8 of picking action is S ₂During welding MOS circuit, picking S ₂Place the C position; Electric iron is placed on the automatic control station 5 of cantilever shalving, according to its gravity effect and lever transmission, makes S ₁Place the A position.Input is that of lead 7 (down with) is through S ₁K ₁₁, K ₁₂Transport to output and be socket 3 (down with) one, another of input is through S ₂Contact K ₂₂, K ₂₁And S ₁Contact K ₁₄, K ₁₅Transport to another of output, constitute total head power supply heating electric iron circuit.S ₂Still place the C position, pick up the electric iron operation, gravity is eliminated, then S ₁Automatically be converted to the B position.Transport to S for one of input ₁Contact K ₁₁Stop, another of input is through S ₂Contact K ₂₂, K ₂₁Transport to S ₁Contact K ₁₄Also stop, constitute the two-wire power-off protecting circuit of welding MOS circuit.Carry out weld job with its waste heat, do not damage the MOS device.During the welding circuit common, picking S ₂Place the D position; Electric iron places on the automatic control station 5, S ₁In like manner place the A position.One of input through S ₁Contact K ₁₁, K ₁₂Transport to output one, another of input is through diode D ₄And S ₁Contact K ₁₄, K ₁₅Transport to another of output, constituting only has the welding circuit common of the positive half cycle of civil power partly to press power supply circuits.When picking up the electric iron operation, S in like manner ₁Place the B position, and S ₂Still place the D position.One of input through S ₂Contact K ₂₅, K ₂₆And S ₁Contact K ₁₃, K ₁₂Transport to output one, another of input is through S ₂Contact K ₂₂, K ₂₃And S ₁Contact K ₁₆, K ₁₅Transport to another of output, constitute the total head power supply circuits of welding circuit common.

The flash of light display circuit is the line-to-line at output, is connected in series commutation diode D successively ₁, dropping resistor R, bidirectional trigger diode D ₂With light emitting diode D ₃(be aforementioned in 2) constitutes the luminous display circuit of power supply.Utilize D ₂Breakdown characteristics produce vibration, adopt C ₁Cooperate with it, make D ₃Flash, show the electric iron electric power thus supplied with flash of light.

Claims (2)

1. multi-functional electric soldering iron frame that can weld the MOS circuit, shell (1) wall has socket (3), luminous tube (2) and hand switch (8), adorning in the shell have automatic control station (5), the cantilever shalving (4) of vacant station (6), with to organic circuit that is connected such as lead (7), switch, transistor, resistance, electric capacity, it is characterized in that automatic switch S with two stations ₁With hand switch S ₂Be core, S ₂Be positioned at C and S ₁Be positioned at A, one of input through S ₁Contact K ₁₁, K ₁₂Transport to output one, another of input is through S ₂Contact K _{22, K21}And S ₁Contact K ₁₄, K ₁₅Transport to another of output, constitute the total head power supply circuits of welding MOS circuit; S ₂Be positioned at C and S ₁Be positioned at B, transport to S for one of input ₁Contact K ₁₁Stop, another of input is through S ₂Contact K ₂₂, K ₂₁Transport to S ₁Contact K ₁₄Stop, constitute the power-off protecting circuit of welding MOS circuit; S ₂Be positioned at D and S ₁Be positioned at A, one of input through S ₁Contact K ₁₁, K ₁₂Transport to output one, another of input is through diode D ₄And S ₁Contact K ₁₄, K ₁₅Transport to another of output, what constitute the welding circuit common partly presses power supply circuits; S ₂Be positioned at D and S ₁Be positioned at B, one of input through S ₂Contact K ₂₅, K ₂₆And S ₁Contact K ₁₃, K ₁₂Transport to output one, another of input is through S ₂Contact K ₂₂, K ₂₃And S ₁Contact K ₁₆, K ₁₅Transport to another of output, constitute the total head power supply circuits of welding circuit common; Also be provided with the flash of light display circuit.

2. electric iron rack as claimed in claim 1, the display circuit that it is characterized in that glistening is the line-to-line at output, is connected in series diode D successively ₁, resistance R, bidirectional trigger diode D ₂With light emitting diode D ₃, and cooperate D ₂Capacitor C ₁

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