CN2191109Y - Portable pocket gilding pen - Google Patents

Abstract

The utility model discloses a portable pocket gilding pen, which relates to a device by utilizing galvanic aluminum to draft, thermoprint, write various golden calligraphies and paintings on the surfaces of paper sheets, plastics, leathers, boards, etc. The device is mainly composed of a mini-typed thermal head, a transistor thermo-regulator and a heating wire. The heating wire is wound on the mini-typed thermal head, and a red copper head can be heated by two batteries of 5 model to thermoprint various calligraphies and paintings. With the advantages of small volume, easy use and portability, the utility model is suitable for drawing, painting, signing a signature, leaving a message on the surfaces of various papers, woods, plastics, etc., and also is suitable for scalding nameplate and dial plates, sealing plastic pocket openings, etc.

Description

Portable pocket gilding pen

The utility model relates to a kind of utensil that is used for electrochemical aluminium is heated surperficial thermoprint gold body calligraphies and paintings such as back court moulds, paper, wood.

The at present domestic commercially available all kinds of gold stamping pens that are used to make things convenient for thermoprint gold body calligraphy and painting, nearly all be to adopt 220 volts of alternating current energy supplies, and advantages such as power is big, startup is rapid are arranged, but carry, use in the place of outdoor and AC-less power as desiring, just seem that some is powerless.

The purpose of this utility model be will to people provide a kind of with the energy supply of direct current baby battery, can carry and not be subjected to the AC power environmental limitations, can make things convenient for the portable pocket gold stamping pen that uses whenever and wherever possible, to satisfy people's demand.

Find through after the comparative analysis to existing product, desire to make gold stamping pen to have characteristic portable and that be easy to use whenever and wherever possible, must at first address under the situation of micro-electric energy energy is made full use of, temperature raises rapidly and constant and technical problem such as fully extend working time.

The purpose of this utility model is achieved in that the primary structure of gold stamping pen saves compact batteries, temperature controller, miniature heating head and shell by two and forms.Miniature heating head is made up of miniature red copper head of vertebra head with " worker " font circular groove and several layers of heating wire in " worker " font groove again, heating wire adopts thinner insulation copper wire or other insulated metallic filaments, and the resistance that allows insulated metallic filaments maintain 8-10 ohm is used for heating when having electric current to flow through.Adopt several layers of insulated metallic filaments around the interior purpose of " worker " font groove of red copper head.Be to utilize it to insulate but can generate heat also can fully concentrate heat energy and play certain heat insulation effect and have simultaneously aborning draw materials be easy to get, handling ease, advantage that production cost is low.

Temperature controller then mainly is made up of thermistor and current amplifier.Thermistor is embedded in the afterbody of miniature red copper head and keeps good contact with it, its objective is that the variations in temperature of utilizing the red copper head changes its resistance characteristic and influences the output current of current amplifier, to reach the purpose of the miniature heating of a control temperature.Current controller constitutes the bridge-type measuring circuit by differential amplifier circuit and the resistance R t.R1.R5.R6 that transistor BG1.BG2 constitutes, and forms with the current discharge road that transistor BG3 forms, and its operation principle is as follows:

After connecting power supply, transistor BG3 presses the about 0.3A of normal temperature output left and right sides electric current, the interior R7 heating wire as the BG3 load resistance of miniature heating head is heated rapidly, miniature red copper head also heats up rapidly thereupon and heat is passed to thermistor Rt, thermistor is also with its temperature change resistance and influence A point current potential and rise, the electric current of transistor BG1 strengthens, the R4 voltage drop increases, the BG2 electric current reduces, collector potential rises, the output current of transistor BG3 is reduced, the heating of load R7 reduces, and the temperature of red copper head rises and slows down (otherwise then accelerating) to reach the constant temperature purpose.The R1 adjustable resistance is used to adjust the operating point, so that a heating constant temperature is in different scopes.

Overall structure of the present utility model and composed as follows:

Miniature heating head is contained in the termination portion of the pen cap and makes its vertebra point forward, the red copper of miniature heating head end to end portion open a sulculus, with the thermistor embedding within it so that thermistor and red copper head can be kept well contacting, temperature controller is contained in the preceding empty place in the pen cap, and heating wire and thermistor are welded on the circuit board.Two joint 1.2-1.5V chargeable battery or dry cells are adorned at rear portion in the pen cap, refill switch and have just constituted a gold stamping pen.

The utility model only gets on from structure and operation principle, compares with routine techniques, and what special and difference all is not some existing common material and basic circuits.If but went to carry out analysis-by-synthesis from aspects such as these basic structures, compound modes, would be not difficult to find out that the utility model is that certain novelty and substantive technical characterictic are arranged.

Analyze 3 volts of flashlights commonly used, its power is generally all about 0.6 watt, (3 volts * 0.2A) though bulb is little, but filament temperature is also mostly more than several Baidu, and heat quite a few all be that form with luminous energy has radiate, in this imagination, if the electric energy major part is changed into heat energy and poly-for a bit, take suitable insulation and conservation measures again, whether can be raised to temperature more than 100 ℃ rapidly and keep relatively stable and with a pair of battery or the charging once can use continuously 1～2 hour.At these problem conditions, the utility model has been selected the measure of the head height degree microminiaturization of will generating heat for use, it by one only the red copper of grain of rice size quality 0.2-1 gram make, the insulation copper wire of close winding number layer 8-10 ohm resistance in its " worker " font groove, be used for scope internal heat generation work 100 ℃～140 ℃ of 3 volts of low pressure and temperature, we have no doubt for this, its not only can be under 3 volts of low pressure and 140 ℃ of high temperature operate as normal, make also that this material is extremely low as the heating wire cost, drawing materials is easy to get, makes processing and be very easy to.Simultaneously, can build up heat energy in " worker " word groove certain heat insulation effect is arranged again simultaneously the copper wire number is layer close.Then, the volume of red copper head is fully microminiaturized and its quality is reduced greatly, the result is under the certain prerequisite of specific heat, under the constant situation of total energy supply, reduce the quality of heated object, its red copper temperature is risen rapidly, from the laboratory sample and the actual effect of making, this pen presses down to 300～400 milliamperes of starting currents at 2.4 volts of (rechargeable battery) electricity, when a red copper quality was the 0.5-1 gram left and right sides, temperature can rise to rapidly more than 100 ℃ about 1 minute, is used for writing under the orange cold foil writing smoothly, basically reach designing requirement, effect is pretty good.For making temperature be controlled at certain limit and prolonging battery service life, the utility model has increased a cover control circuit and sampling temperature-sensing element.Temperature-sensing element is selected cheap thermistor for use, controller is selected transistor circuit control electric current for use, our experiments show that, the first given starting current of the utility model is greatly about 300～400mA, when in case temperature rises to more than 100 ℃, controller reduces electric current at 150～250mA by adjusting rapidly after the thermistor sampling, has consequently not only stablized the temperature of heating head but also has prolonged service life of battery.Through the continuous discharge time-delay experiment of several continuously, utilize 2.4 volts of nickel separation cells behind full charge, to use continuously, average number average of working time several times is more than 1.5 hours, and this just makes the utility model possess under the situation of AC-less power characteristic in outdoor application.The utility model has increased a variable resistor to adjust the operating point of red copper head in addition, makes it to adapt to the different requirements to the electrochemical aluminium model of difference temperature.

In sum, the utility model is through above improvement and design, and it is little to have possessed volume, and cost is low, and handling ease can be carried, and work is not subjected to advantages such as the influence of power environment and restriction.Can be widely used at paper, mould, sign on the wood etc., draw a picture, message, unit send out souvenir, prize etc.Be specially adapted to handle, factory director's signature message, the message of the open-air scenic spots and historical sites, sight spot travel holy land photograph photograph.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is the sectional side elevation according to the portable pocket gold stamping pen that the utility model proposes.Fig. 2, Fig. 3 are respectively the figure of local entities and the operation principle circuit diagrams of its miniature heating head.

Below in conjunction with Fig. 1,2,3 details and the working conditions that describe in detail according to the concrete device that the utility model proposes.

This gold stamping pen is by miniature heating head (1), thermistor (4), thermostat (3), battery (6), the pen cap (5) is formed, miniature heating head (1) is made up of red copper head (8) and heating wire (2), be processed with " worker " font groove (9) on the red copper head (8), afterbody is processed with groove (10), heating wire (2) is in red copper head (8) " worker " font groove (9), miniature heating head (1) is contained in the pen cap (5) end, thermistor (4) is embedded in red copper end to end in the groove (10), transistor thermostat (3) is contained in the pen cap (5) front portion, after two batteries (6) are housed, a switch (8) is arranged outside the pen

After connecting power supply, battery is powered to heating wire (2) by transistor temperature controller (3), red copper head (8) intensification of being heated, temperature is passed to thermistor (4) and is made the change in resistance of its thermistor and influence the caloric value that transistor temperature controller (3) reduces output current reduction heating wire (2), increases caloric value otherwise then control heating wire (2).The heat that obtains when red copper head (8) and the heat of loss remain basically stable and are relative when maintaining in the temperature range, show as constant temperature.This pen is used for when gold stamping, and heat scatters and disappears by replenishing automatically in the pen, when temperature rise during to certain value, the minimizing heat supply automatically of this pen, temperature is controlled in 120 ℃ ± 3 ℃ the scope.

Regulator potentiometer R5 can change red copper head (8) operating point temperature.

Claims (2)

1, a kind of portable pocket gold stamping pen that is used for by means of electrochemical aluminium thermoprint gold body calligraphy and painting on plastics, paper, wood, the leather, this utensil is made up of battery (6), transistor temperature controller (3), thermistor (4), miniature heating head (1), the pen cap (5), power switch (7), it is characterized in that miniature heating head (1) is contained in the end of the pen cap (5), thermistor (4) is connected in the stern notch (10) of red copper head (8), transistor temperature controller (3) is contained in the pen cap (5) front portion, battery (6) is contained in the rear portion in the pen cap (5), and power switch (7) is contained on the pen cap (5).

2, utensil according to claim 1, it is characterized in that miniature heating head (1) is made up of red copper head (8) and resistance wire (2), there is an I shape circular groove (9) at the rear portion of red copper head (2), afterbody fluted (10), heating wire (2) is the wire or the enamel-covered wire of tape insulation lacquer, in direct several layers of round (9) groove of close I-shaped around red copper head (8) rear portion.

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