CN104816062B - A kind of single-hand operated electric soldering iron being rapidly heated - Google Patents

Abstract

The invention discloses a fast-rising one-handed operation electric soldering iron. The fast-rising one-handed operation electric soldering iron has a round tube-shaped soldering iron handle. There is a round tube-shaped casing connected, the front part of the casing is equipped with a soldering iron tip, and a soldering iron core is fixed inside the casing, and a low-power heating wire and a high-power heating wire are evenly wound on the soldering iron core, and the tail of the soldering iron core There is a thermistor, and a front guide tube that runs through the heat-resistant fixed plate is provided on the heat-resistant fixed plate. A high-temperature-resistant outlet cap is set on the top of the front guide tube; A rectangular rear cover, a solder wire wheel is arranged inside the rectangular rear cover, and a rear guide tube is arranged between the solder wire wheel and the roller. The electric soldering iron can reduce the traditional 1-2 minute preheating time to 20-30 seconds, saving waiting time, and can be operated with one hand, which is very easy to use.

Description

A rapid heating up electric soldering iron with one hand operation

technical field

The invention relates to an electric soldering iron, in particular to a rapidly heating-up electric soldering iron operated by one hand.

Background technique

The electric soldering iron is a necessary tool for welding and repairing electrical circuits. The current electric soldering iron needs a long warm-up time due to its small rated power and slow temperature rise. However, the electric soldering iron with a temperature-regulating transformer is inconvenient to carry, and the voltage needs to be manually adjusted. Need to hold the electric soldering iron in one hand and pinch the solder wire in the other hand during welding, it is difficult to adjust the position of the electrical components, and the operation is inconvenient, so it is necessary to provide a fast heating-up one-handed operation electric soldering iron.

Contents of the invention

In order to overcome the problems of slow temperature rise, inconvenient portability, and two-handed operation existing in current electric soldering irons, the present invention provides a one-handed operation electric soldering iron with rapid temperature rise, which can reduce the traditional 1-2 minute preheating time to 20 minutes. ~30 seconds, saving waiting time, and can be operated with one hand, very easy to use.

The technical solution adopted by the present invention to solve the technical problem is: the rapidly heating electric soldering iron with one hand includes: an outlet cap, a front guide tube, a casing, a low-power heating wire, a high-power heating wire, a heat-resistant fixing plate, and a roller , soldering iron handle, soldering wire wheel, power cord, back cover, rear guide tube, auxiliary wheel, thermistor, soldering iron core, soldering iron head; The front section of the handle is fixedly connected with a heat-resistant fixed plate, and a round tube-shaped sleeve is connected to the heat-resistant fixed plate. The front section of the sleeve is equipped with a soldering iron tip, and a soldering iron core is fixed inside the sleeve, and the soldering iron cores are evenly spaced Winding low-power heating wire and high-power heating wire, the low-power heating wire and high-power heating wire are nickel-chromium alloy wires of 1210 ohms and 242 ohms respectively. The tail of the soldering iron core is equipped with a thermistor. The model of the thermistor is MZ126A, the low-power heating wire is directly connected to the live wire and the neutral wire of the power line, the thermistor and the high-power heating wire are connected in series and then connected in parallel with the low-power heating wire, and the heat-resistant fixed plate is equipped with a heat-resistant fixed plate. Front guide tube, the top of the front guide tube is covered with a high-temperature-resistant outlet cap, and the front end of the outlet cap is facing the tip of the soldering iron tip; there is a rectangular hole in the middle and front of the soldering iron handle, and a rubber ring is set in the rectangular hole. Roller, the central axis of the roller is fixed on the inner wall of the soldering iron handle, the roller can be rotated back and forth with fingers, and there is an auxiliary wheel with a rubber ring on the surface under the roller, the central axis of the auxiliary wheel is fixed on the inner wall of the soldering iron handle, And the rubber ring of the auxiliary wheel is in close contact with the rubber ring of the roller. There is a rectangular back cover behind the handle of the soldering iron. There is a solder wire wheel inside the rectangular back cover. The solder wire wheel can rotate freely, and the center axis of the solder wire wheel is fixed on the On the inner wall of the soldering iron handle, there is a rear guide tube between the solder wire wheel and the roller. The solder wire wound on the solder wire wheel can pass through the rear guide tube and enter the contact surface between the wheel roll and the auxiliary wheel, and then pass through the front guide tube. From the outlet cap to the soldering iron tip, the solder wire can be moved forward by turning the roller, so as to achieve the purpose of operating the soldering iron with one hand.

When using, first wind the solder wire on the solder wire wheel, insert the solder wire into the rear guide tube for a certain distance, turn the roller backward, the solder wire is clamped on the contact surface of the roller and the auxiliary wheel and sent to the outlet cap, Fixedly install the solder wire wheel and the back cover, and turn on the power. At the beginning, due to the low temperature of the thermistor, the resistance is small and negligible. At this time, the high-power heating wire and the low-power heating wire work at the same time. Due to the large total power, The temperature of the electric soldering iron can rise to the required temperature in 20~30 seconds, the thermistor is heated, and the resistance value increases sharply to 10 kohms, which is equivalent to disconnecting the high-power heating wire. After that, only the low-power heating wire continues to work stably, thus The purpose of rapid heating was achieved.

The beneficial effect of the invention is that the electric soldering iron can reduce the traditional 1-2 minute preheating time to 20-30 seconds, saves waiting time, and can be operated with one hand, so it is very easy to use.

Description of drawings

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

Fig. 1 is the front view of the structure principle of the present invention.

Fig. 2 is a side view of the structure principle of the present invention.

Fig. 3 is a schematic diagram of the circuit connection of the present invention.

In Fig. 1, Fig. 2 and Fig. 3, 1,. Outlet cap, 2. Front guide tube, 3. Sleeve, 4. Low-power heating wire, 5. High-power heating wire, 6. Heat-resistant fixing plate, 7. Roller, 8. Soldering iron handle, 9. Solder wire wheel, 10. Power cord, 11. Rear cover, 12. Rear guide tube, 13. Auxiliary wheel, 14. Thermistor, 15. Soldering iron core, 16. Soldering iron tip.

detailed description

In Fig. 1, Fig. 2 and Fig. 3, a single-handed electric soldering iron with rapid temperature rise includes: outlet cap 1, front guide tube 2, sleeve tube 3, low-power heating wire 4, high-power heating wire 5, heat resistance Fixed plate 6, roller 7, soldering iron handle 8, solder wire wheel 9, power cord 10, rear cover 11, rear guide tube 12, auxiliary wheel 13, thermistor 14, soldering iron core 15, soldering iron tip 16; The electric soldering iron for one-handed operation has a circular tube-shaped soldering iron handle 8, the front section of the soldering iron handle 8 is fixedly connected with a heat-resistant fixed plate 6, and a circular tube-shaped sleeve 3 is connected to the heat-resistant fixed plate 6. The front section is equipped with a soldering iron tip 16, and the inside of the casing 3 is fixed with a soldering iron core 15, and the soldering iron core 15 is wound with a low-power heating wire 4 and a high-power heating wire 5 at even intervals, and a low-power heating wire 4 and a high-power heating wire 5 Nichrome wires of 1210 ohms and 242 ohms respectively. The tail of the soldering iron core 15 is provided with a thermistor 14. The model of the thermistor 14 is MZ126A. The low-power heating wire 4 is directly connected to the live wire and neutral wire of the power line 10. , the thermistor 14 and the high-power heating wire 5 are connected in series and then connected in parallel with the low-power heating wire 4. The heat-resistant fixed plate 6 is provided with a front guide tube 2 that runs through the heat-resistant fixed plate 6, and the top end of the front guide tube 2 is covered There is a high-temperature-resistant outlet cap 1, the front end of the outlet cap 1 is facing the tip of the soldering iron tip 16; the middle and front part of the soldering iron handle 8 has a rectangular hole, and a roller 7 with a rubber ring on the surface is arranged in the rectangular hole. The central axis of the soldering iron handle 8 is fixed on the inner wall of the soldering iron handle 8, and the roller 7 can be rotated forward and backward with fingers. An auxiliary wheel 13 with a rubber ring on the surface is provided under the roller 7, and the central axis of the auxiliary wheel 13 is fixed on the soldering iron handle 8. and the rubber ring of the auxiliary wheel 13 is in close contact with the rubber ring of the roller 7. A rectangular rear cover 11 is provided behind the soldering iron handle 8, and a solder wire wheel 9 is provided inside the rectangular rear cover 11. The solder wire wheel 9 can be freely Rotate, the central axis of the solder wire wheel 9 is fixed on the inner wall of the soldering iron handle 8, a rear guide tube 12 is provided between the solder wire wheel 9 and the roller 7, and the solder wire wound on the solder wire wheel 9 can pass through the rear guide tube 12 Enter the contact surface between the roller 7 and the auxiliary wheel 13, pass through the front guide tube 2, reach the soldering iron head 16 from the outlet cap 1, and move the solder wire forward by turning the roller 7, so as to achieve the convenience of operating the electric soldering iron with one hand. Purpose.

When in use, first wind the solder wire on the solder wire wheel 9, insert the solder wire into the rear guide tube 12 for a certain distance, and turn the roller 7 backward, the solder wire is clamped on the contact surface of the roller 7 and the auxiliary wheel 13 and sent To the outlet cap 1, fix the soldering wire wheel 9 and the rear cover 11, and turn on the power. At the beginning, due to the low temperature of the thermistor 14, the resistance is small and negligible. At this time, the high-power heating wire 5 and the low-power heating The wire 4 works at the same time. Due to the large total power, the temperature of the electric soldering iron can rise to the required temperature in 20-30 seconds. When the thermistor 14 is heated, the resistance value increases sharply to 10 kΩ, which is equivalent to 5 high-power heating wires. After that, only the low-power heating wire 4 works stably and continuously, thereby achieving the purpose of rapid temperature rise.

Claims (2)

1. the single-hand operated electric soldering iron being rapidly heated, including: outlet cap (1), front guide pipe (2), sleeve pipe (3), low-power heating silk (4), high-power heater strip (5), thermal resistance fixed plate (6), roller (7), flatiron handle (8), solder stick wheel (9), power line (10), bonnet (11), rear guide pipe (12), auxiliary wheel (13), thermistor (14), iron core (15), solder horn (16)；nullIt is characterized in that: this single-hand operated electric soldering iron being rapidly heated has the flatiron handle (8) of a tubular，The leading portion of flatiron handle (8) is fixedly connected with thermal resistance fixed plate (6)，Thermal resistance fixed plate (6) is upper connects the sleeve pipe (3) having a tubular，The leading portion of sleeve pipe (3) is fitted with solder horn (16)，Sleeve pipe (3) is internal is fixed with iron core (15)，The upper uniform intervals of iron core (15) is wrapped low-power heating silk (4) and high-power heater strip (5)，Low-power heating silk (4) and high-power heater strip (5) are respectively 1210 ohm and the nichrome wire of 242 ohm，The afterbody of iron core (15) is provided with thermistor (14)，Low-power heating silk (4) is directly connected with live wire and the zero line of power line (10)，It is connected in parallel with low-power heating silk (4) again after thermistor (14) and high-power heater strip (5) series connection，Thermal resistance fixed plate (6) is provided with the front guide pipe (2) running through thermal resistance fixed plate (6)，Front guide pipe (2) top is cased with resistant to elevated temperatures outlet cap (1)；The middle front part of flatiron handle (8) has a rectangular opening, it is provided with a surface in rectangular opening and is cased with the roller (7) of rubber ring, the axis of roller (7) is fixed on the inwall of flatiron handle (8), the lower section of roller (7) is provided with a surface and is cased with the auxiliary wheel (13) of rubber ring, the axis of auxiliary wheel (13) is fixed on the inwall of flatiron handle (8), and the rubber ring of the rubber ring of auxiliary wheel (13) and roller (7) is in close contact, the rear of flatiron handle (8) is provided with a rectangle bonnet (11), rectangle bonnet (11) is internal is provided with solder stick wheel (9), the axis of solder stick wheel (9) is fixed on the inwall of flatiron handle (8), it is provided with rear guide pipe (12) between solder stick wheel (9) and roller (7).

A kind of single-hand operated electric soldering iron being rapidly heated the most according to claim 1, is characterized in that: the model of thermistor (14) is MZ126A.