CN218946577U

CN218946577U - Electric soldering iron heating control system with dormancy function and electric soldering iron

Info

Publication number: CN218946577U
Application number: CN202221263170.5U
Authority: CN
Inventors: 陈仁安
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2023-05-02
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses an electric soldering iron heating control system with a dormancy function and an electric soldering iron. The utility model has convenient operation, can realize the automatic dormancy and the automatic heating of the heating core according to the different inclination angles of the operation electric soldering iron without pulling out the power plug, is more beneficial to saving energy, and can effectively avoid the heating core being in a high-temperature dry-burning state for a long time when the electric soldering iron is not used for a short time, thereby effectively prolonging the service life of the electric soldering iron.

Description

Electric soldering iron heating control system with dormancy function and electric soldering iron

Technical Field

The utility model relates to the technical field of electric soldering irons, in particular to an electric soldering iron heating control system with a dormancy function and an electric soldering iron.

Background

The electric soldering iron is a necessary tool for electronic manufacture and electrical appliance maintenance, is mainly used for welding elements and wires, and plays an indispensable role in industrial production and daily life. The hand-held electric soldering iron on the market is generally divided into a direct heating type and a temperature-adjusting heating type, but the two types of electric soldering iron have a disadvantage that when the electric soldering iron is not used for a short time (a power plug is not pulled out), the heating core of the electric soldering iron is in a heating working state and cannot automatically sleep, so that the electric soldering iron is unfavorable for energy saving, and the service life of the electric soldering iron is reduced due to high-temperature dry heating when the heating core is in a heating state for a long time.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide the electric soldering iron heating control system with the dormancy function and the electric soldering iron, which are convenient to operate, can realize automatic dormancy and automatic heating of the heating core according to different inclination angles of the operating electric soldering iron under the condition that a power plug is not pulled out, are more beneficial to energy saving, and can effectively avoid the heating core being in a high-temperature dry-heating state for a long time when the electric soldering iron is not used for a short time, thereby effectively prolonging the service life of the electric soldering iron.

In order to achieve the above object, the present utility model provides the following solutions:

according to a first aspect of the present utility model, there is provided an electric soldering iron heating control system with a sleep function, including a mains interface, a heating core, and a sleep control switch module, wherein a first end of the sleep control switch module is connected to a live wire end of the mains interface, a second end of the sleep control switch module is connected to a first end of the heating core, and a second end of the heating core is connected to a neutral wire end of the mains interface,

the dormancy control switch module is used for controlling the power on and off of the heating core according to the inclination angle of the electric soldering iron.

Preferably, the sleep control switch module is a ball switch or a mercury switch.

Preferably, the electric soldering iron heating control system with sleep function further comprises a heating temperature regulating circuit arranged between the sleep control switch module and the heating core, wherein a first end of the heating temperature regulating circuit is connected with a live wire end of the mains supply interface, a second end of the heating temperature regulating circuit is connected with a first end of the heating core, a control end of the heating temperature regulating circuit is connected with a second end of the sleep control switch module,

the heating temperature regulating circuit is used for controlling the energizing current of the heating core when the dormancy control switch module is closed so as to regulate the heating value of the heating core in unit time.

Preferably, the heating temperature adjusting circuit comprises a trigger circuit and an electronic switch connected in series between a live wire end of the mains supply interface and a first end of the heating core, the first end of the trigger circuit is used as a control end of the heating temperature adjusting circuit to be connected with a second end of the dormancy control switch module, the second end of the trigger circuit is connected with a control end of the electronic switch, and the trigger circuit triggers the electronic switch to be conducted so as to adjust the conduction time of the electronic switch in a single period.

Preferably, the electronic switch is a bidirectional thyristor, a first anode of the bidirectional thyristor is connected with a live wire end of the mains supply interface, a second anode of the bidirectional thyristor is connected with a first end of the heating core, and a control electrode of the bidirectional thyristor is used as a control end of the electronic switch to be connected with a second end of the trigger circuit.

Preferably, the trigger circuit comprises a voltage regulating circuit and a bidirectional trigger diode, wherein a first end of the voltage regulating circuit is connected with a second end of the sleep control switch module, a second end of the voltage regulating circuit is connected with a first end of the bidirectional trigger diode, and a second end of the bidirectional trigger diode is connected with a control end of the electronic switch.

Preferably, the voltage regulating circuit comprises a first resistor, a second resistor and an adjustable resistor, wherein a first end of the first resistor is connected with a second end of the sleep control switch module, a second end of the first resistor is connected with a first end of the second resistor, a second end of the second resistor is connected with a first end of the diac, and the adjustable resistor is connected with the first resistor in parallel.

Preferably, the heating temperature adjusting circuit further comprises a first capacitor, a first end of the first capacitor is connected with the first end of the diac, and a second end of the first capacitor is connected with the first end of the heating core.

Preferably, the electric soldering iron heating control system with the sleep function further comprises an indication circuit for indicating the energizing state of the heating core, and the indication circuit is connected with the heating core in parallel.

According to a second aspect of the present utility model, there is provided an electric soldering iron with a sleep function, including a soldering iron tip, a soldering iron rod and a handle sequentially connected, wherein the electric soldering iron with a sleep function further includes any one of the above first aspect, the heating core is disposed in the soldering iron rod and is in heat transfer connection with the soldering iron tip, and the sleep control switch module is disposed in the handle.

Due to the adoption of the technical scheme, the heating core has the following beneficial effects:

according to the utility model, the sleep control switch module is arranged to control the power on and off of the heating core according to the inclination angle of the electric soldering iron, under the condition that the power plug is not pulled out, the automatic sleep and the automatic heating of the heating core can be realized according to the different inclination angles of the operating electric soldering iron, the operation is convenient, the energy saving is more facilitated, and the heating core can be effectively prevented from being in a high-temperature dry heating state for a long time when the electric soldering iron is not used for a short time, so that the service life of the electric soldering iron is effectively prolonged.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic circuit diagram of an electric soldering iron heating control system with sleep function according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an electric soldering iron in an energized state according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of an electric soldering iron in a power-off sleep state according to an embodiment of the present utility model.

Detailed Description

Embodiments of the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It is apparent that the following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, not to limit the scope of the present utility model. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.

In the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Furthermore, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like should be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1, an embodiment of the present utility model provides an electric soldering iron heating control system with a dormancy function, which includes a mains interface J1, a heating core L1 and a dormancy control switch module K1, where the mains interface J1 is used for supplying power to the heating core L1 by accessing mains (220V ac in this embodiment), a first end of the dormancy control switch module K1 is connected to a live wire end L of the mains interface J1, a second end of the dormancy control switch module K1 is connected to a first end of the heating core L1, and a second end of the heating core L1 is connected to a zero line end N of the mains interface J1, where the dormancy control switch module K1 is used for controlling power on and power off of the heating core L1 according to an inclination angle of an electric soldering iron.

The electric soldering iron heating control system in the embodiment controls the power on and off of the heating core L1 according to the inclination angle of the electric soldering iron by arranging the dormancy control switch module K1, under the condition that a power plug is not pulled out, the automatic dormancy and the automatic heating of the heating core L1 can be realized according to the difference of the inclination angles of the operating electric soldering iron, the operation is convenient, the energy saving is more facilitated, and the heating core L1 is effectively prevented from being in a high-temperature dry heating state for a long time when the electric soldering iron is not used for a short time, so that the service life of the electric soldering iron is effectively prolonged.

Specifically, the sleep control switch module K1 is a ball switch or a mercury switch. In the embodiment, the sleep control switch module K1 is a ball switch, so that the structure is simple, the sensitivity is high, the cost is low, and the mercury switch is safer and more environment-friendly, and the applicability is better.

It should be noted that, the sleep control switch module K1 may also be another switch module capable of being turned on or off according to the inclination angle control circuit, for example, in some other embodiments, an inclination angle sensor, an MCU control chip and a relay may be selected to form the sleep control switch module K1, a set of contacts of the relay are connected between the live wire end L of the mains interface J1 and the first end of the heating core L1, a coil of the relay is connected with a signal output end of the MCU control chip, a signal input of the MCU is connected with a signal output end of the inclination angle sensor, an inclination angle signal of the electric soldering iron is detected by the inclination angle sensor, the inclination angle sensor sends the detected inclination angle signal to the MCU control chip, and the MCU control chip controls the closing and opening of the contacts of the relay according to the inclination angle signal, so as to control the power on and off of the heating core L1.

In one embodiment, the electric soldering iron heating control system with the sleep function further comprises a heating temperature adjusting circuit 1 arranged between the sleep control switch module K1 and the heating core L1, wherein a first end of the heating temperature adjusting circuit 1 is connected with the fire wire end L of the mains interface J1, a second end of the heating temperature adjusting circuit 1 is connected with the first end of the heating core L1, a control end of the heating temperature adjusting circuit 1 is connected with the second end of the sleep control switch module K1, and the heating temperature adjusting circuit 1 is used for controlling the energizing current of the heating core L1 when the sleep control switch module K1 is closed so as to adjust the heating value of the heating core L1 in unit time. The heating temperature adjusting circuit 1 is arranged to adjust the heating value of the heating core L1 in unit time, so that the heating temperature of the electric soldering iron is adjusted, different use requirements are met conveniently, and the application range of the electric soldering iron is effectively expanded.

In one embodiment, the heating temperature adjusting circuit 1 includes a trigger circuit 11 and an electronic switch 12 connected in series between the live end L of the mains interface J1 and the first end of the heating core L1, where the first end of the trigger circuit 11 is connected as a control end of the heating temperature adjusting circuit 1 to the second end of the sleep control switch module K1, the second end of the trigger circuit 11 is connected to the control end of the electronic switch 12, and the trigger circuit 11 triggers the electronic switch 12 to be turned on to adjust the on duration of the electronic switch 12 in a single period. The electronic switch 12 is triggered to be conducted through the trigger circuit 11, so that the conduction time of the electronic switch 12 in a single period is adjusted, the energizing current of the heating core L1 can be adjusted, and the temperature of the electric soldering iron is adjusted. It is understood that the period refers to the voltage variation period of the alternating current output by the mains interface J1, i.e. the reciprocal of the frequency of the alternating current.

In one embodiment, the electronic switch 12 is a triac D4, a first anode of the triac D4 is connected to the fire wire terminal L of the mains interface J1, a second anode of the triac D4 is connected to the first end of the heating core L1, and a control electrode of the triac D4 is connected to the second end of the trigger circuit 11 as a control end of the electronic switch 12. The bidirectional thyristor D4 is an ideal ac switching device, and only one trigger circuit 11 is needed, so that the control of the on-off current of the heating core L1 is realized through the bidirectional thyristor D4, and the circuit structure is simpler.

In one embodiment, the trigger circuit 11 includes a voltage adjusting circuit 111 and a diac D3, a first terminal of the voltage adjusting circuit 111 is connected to a second terminal of the sleep control switch module K1, a second terminal of the voltage adjusting circuit 111 is connected to a first terminal of the diac D3, and a second terminal of the diac D3 is connected to a control terminal of the electronic switch 12. The voltage of the input terminal (first terminal) of the diac D3 is adjusted by the voltage adjusting circuit 111, and the on-time of the electronic switch 12 in a single cycle is controlled by the diac D3.

In one embodiment, the voltage adjusting circuit 111 includes a first resistor R1, a second resistor R2, and an adjustable resistor Rv, where a first end of the first resistor R1 is connected to a second end of the sleep control switch module K1, a second end of the first resistor R1 is connected to a first end of the second resistor R2, a second end of the second resistor R2 is connected to a first end of the diac D3, and the adjustable resistor Rv is connected in parallel with the first resistor R1. The output voltage of the voltage regulating circuit 111, that is, the input voltage of the diac D3 is regulated by regulating the resistance value of the adjustable resistor Rv, so as to regulate the on-time of the electronic switch 12 in a single period. Specifically, the adjustable resistor Rv in this embodiment adopts a potentiometer, so that the resistance value of the resistor Rv can be adjusted manually.

In one embodiment, the heating temperature adjusting circuit 1 further includes a first capacitor C1, a first end of the first capacitor C1 is connected to a first end of the diac D3, and a second end of the first capacitor C1 is connected to a first end of the heat generating core L1. By arranging the first capacitor C1, voltage abrupt change is prevented, overvoltage in a peak state is absorbed, and overvoltage protection of the diac D3 and the electronic switch 12 is achieved.

In one embodiment, the electric soldering iron heating control system with the sleep function further includes an indication circuit 2 for indicating the energized state of the heat generating core L1, the indication circuit 2 being connected in parallel with the heat generating core L1. The indication circuit 2 is arranged to indicate the electrified state of the heating core L1, so that a user can intuitively know the current working state of the electric soldering iron. Specifically, in this embodiment, the indication circuit 2 includes a third resistor R3, a switching diode D1 and a light emitting diode D2 connected in series in this order, where the third resistor R3 plays a role in reducing voltage and limiting current, protecting the light emitting diode D2 from being damaged, the switching diode D1 plays a role in reverse cut-off, preventing reverse voltage from breaking down the light emitting diode D2, and the light emitting diode D2 plays a role in indicating the energized state of the heat generating core L1.

As shown in fig. 1-3, an embodiment of the present utility model provides an electric soldering iron with a sleep function, which includes a soldering iron tip 101, a soldering iron rod 102 and a handle 103 that are sequentially connected, and is characterized in that the embodiment further includes an electric soldering iron heating control system with a sleep function, a heating core L1 is disposed in the soldering iron rod 102 and is in heat-transfer connection with the soldering iron tip 101, a sleep control switch module K1 is disposed in the handle 103, and a light emitting diode D2 of an indication circuit 2 and an adjusting knob of an adjustable resistor Rv are disposed on a housing of the handle 103. As can be seen from fig. 2 and 3, the automatic dormancy function of the electric soldering iron in the embodiment is simple and convenient to operate, and when the downward inclination angle of the electric soldering iron (the soldering iron head 101 is inclined downward) exceeds 15 ° angle, the dormancy control switch module K1 controls the power on of the heating core L1, and the electric soldering iron is automatically started to work; when the upward inclination angle of the electric soldering iron (the soldering iron head 101 is inclined upwards) exceeds 15 degrees, the dormancy control switch module K1 controls the power off of the heating core L1, and the electric soldering iron automatically dormancy and saves energy.

The working principle of the electric soldering iron with the sleep function in this embodiment is the same as that of the electric soldering iron heating control system with the sleep function in the foregoing embodiment, and will not be described here again. Because the working principle of the electric soldering iron with the dormancy function in the embodiment adopts the electric soldering iron heating control system with the dormancy function in the embodiment, the electric soldering iron has the advantages that under the condition that a power plug is not pulled out, the automatic dormancy and the automatic heating of the heating core L1 can be realized according to the different inclination angles of the operating electric soldering iron, the operation is convenient, the energy conservation is more facilitated, and the heating core L1 is effectively prevented from being in a high-temperature dry-heating state for a long time when the electric soldering iron is not used for a short time, so that the service life of the electric soldering iron is effectively prolonged.

In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims

1. The electric soldering iron heating control system with the dormancy function is characterized by comprising a mains supply interface, a heating core and a dormancy control switch module, wherein the first end of the dormancy control switch module is connected with the live wire end of the mains supply interface, the second end of the dormancy control switch module is connected with the first end of the heating core, the second end of the heating core is connected with the zero line end of the mains supply interface,

2. The electric soldering iron heating control system with sleep function according to claim 1, wherein the sleep control switch module is a ball switch or a mercury switch.

3. The electric soldering iron heating control system with sleep function according to claim 1 or 2, further comprising a heating temperature adjusting circuit disposed between the sleep control switch module and the heat generating core, wherein a first end of the heating temperature adjusting circuit is connected to the live wire end of the mains interface, a second end of the heating temperature adjusting circuit is connected to the first end of the heat generating core, a control end of the heating temperature adjusting circuit is connected to the second end of the sleep control switch module,

4. The electric soldering iron heating control system with sleep function according to claim 3, wherein the heating temperature adjusting circuit comprises a trigger circuit and an electronic switch connected in series between a live end of the mains interface and a first end of the heating core, the first end of the trigger circuit is used as a control end of the heating temperature adjusting circuit and is connected with a second end of the sleep control switch module, the second end of the trigger circuit is connected with a control end of the electronic switch, and the trigger circuit triggers the electronic switch to be turned on to adjust the conduction time of the electronic switch in a single period.

5. The electric soldering iron heating control system with the dormancy function according to claim 4, wherein the electronic switch is a bidirectional thyristor, a first anode of the bidirectional thyristor is connected with a live wire end of the mains supply interface, a second anode of the bidirectional thyristor is connected with a first end of the heating core, and a control electrode of the bidirectional thyristor is used as a control end of the electronic switch to be connected with a second end of the trigger circuit.

6. The soldering iron heating control system according to claim 4 or 5, wherein the trigger circuit comprises a voltage regulator circuit and a diac, a first terminal of the voltage regulator circuit is connected to a second terminal of the sleep control switch module, a second terminal of the voltage regulator circuit is connected to a first terminal of the diac, and a second terminal of the diac is connected to a control terminal of the electronic switch.

7. The soldering iron heating control system of claim 6, wherein the voltage regulating circuit comprises a first resistor, a second resistor, and an adjustable resistor, the first end of the first resistor is connected to the second end of the sleep control switch module, the second end of the first resistor is connected to the first end of the second resistor, the second end of the second resistor is connected to the first end of the diac, and the adjustable resistor is connected in parallel with the first resistor.

8. The soldering iron heating control system of claim 6, wherein the heating temperature adjustment circuit further comprises a first capacitor, a first end of the first capacitor is connected to the first end of the diac, and a second end of the first capacitor is connected to the first end of the heater core.

9. The electric soldering iron heating control system with sleep function according to claim 1, 2, 4, 5, 7 or 8, further comprising an indication circuit for indicating an energized state of the heat generating core, the indication circuit being connected in parallel with the heat generating core.

10. The electric soldering iron with the dormancy function comprises a soldering iron head, a soldering iron rod and a handle which are sequentially connected, and is characterized by further comprising the electric soldering iron heating control system with the dormancy function, wherein the heating core is arranged in the soldering iron rod and is in heat transfer connection with the soldering iron head, and the dormancy control switch module is arranged in the handle.