CN203171106U - Portable chargable electric soldering iron - Google Patents
Portable chargable electric soldering iron Download PDFInfo
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- CN203171106U CN203171106U CN 201320180782 CN201320180782U CN203171106U CN 203171106 U CN203171106 U CN 203171106U CN 201320180782 CN201320180782 CN 201320180782 CN 201320180782 U CN201320180782 U CN 201320180782U CN 203171106 U CN203171106 U CN 203171106U
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Abstract
The utility model is suitable for the field of tools of electricians and provides a portable chargable electric soldering iron. The portable chargable electric soldering iron comprises a chargable battery built in the electric soldering iron, a charging circuit connected between a charging interface and the chargable battery, a soldering iron core arranged on the electric soldering iron, a temperature sensor outputting detection voltage and a heating circuit which is connected between the chargable battery and a heating coil of the electric soldering iron and used for adjusting voltage loaded on the heating coil according to the detection voltage. By arranging the chargable battery inside the portable chargable electric soldering iron, normal operation can be still achieved on the occasion that alternating current does not exist, and the requirement for field operation is met.
Description
Technical field
The utility model belongs to electrician's field of tool, relates in particular to a kind of portable rechargeable electric iron.
Background technology
At present, traditional electric iron is to utilize power line, plug, insulator shell, the electric core of heating and metal soldering tip and constitute, and must have the AC power can operate as normal during use, and can only use at fixed-site, can not satisfy the requirement of field work.In addition, in case power line or add the wearing and tearing of thermoelectric core also can cause human electric shock's danger.
The utility model content
The purpose of the utility model embodiment is to provide a kind of portable rechargeable electric iron, is intended to solve the traditional electrical flatiron and can only uses in the occasion that AC power is arranged, and can not satisfy the problem of field work.
The utility model embodiment is achieved in that a kind of portable rechargeable electric iron, comprising:
Be built in the rechargeable battery of electric iron;
Be connected the charging circuit between charging inlet and the described rechargeable battery;
Be located at the iron core of described electric iron, output detects the temperature sensor of voltage;
Be connected between the heater coil of described rechargeable battery and described electric iron, be carried in the heater circuit of the electric current and voltage on the described heater coil according to described detection voltage-regulation.
Further, described charging circuit comprises charging chip U1, charging indication diode D1, full electricity indication diode D2 and thermo-sensitive resistor R1, wherein,
The power pins of described charging chip U1 is connected with the positive pole of described charging inlet, anode with described charging indication diode D1 and full electricity indication diode D2 is connected simultaneously, and the negative electrode of described charging indication diode D1 and full electricity indication diode D2 is connected with state indication pin, the enable pin of described charging chip U1 respectively;
The battery pin of described charging chip U1 is connected with the positive pole of described rechargeable battery;
The temperature detection pin of described charging chip U1 is connected with the negative pole of described rechargeable battery through described thermo-sensitive resistor R1.
Further, described heater circuit comprises that also voltage drives chip U2, inductance L 1, N-type metal-oxide-semiconductor Q1, Zener diode D3 and light emitting diode D4, wherein,
Chip enable control pin, power pins that described voltage drives chip U2 all are connected with the positive pole of described rechargeable battery;
The PWM control pin that described voltage drives chip U2 is connected with the grid of described N-type metal-oxide-semiconductor Q1, the source electrode of described N-type metal-oxide-semiconductor Q1 is connected with the current detecting pin that described voltage drives chip U2, the drain electrode of described N-type metal-oxide-semiconductor Q1 is connected with the anode anodal and described Zener diode D3 of described rechargeable battery through described inductance L 1, and the negative electrode of described Zener diode D3 is connected with described heater coil as the output of described heater circuit;
The voltage feedback pin that described voltage drives chip U2 is connected with the negative electrode of described Zener diode D3, is connected the other end ground connection of temperature sensor through a resistance R 3 with an end of described temperature sensor through a resistance R 2;
The negative output pin that described voltage drives chip U2 is connected with the negative electrode of described light emitting diode D4, and the anode of described light emitting diode D4 is connected with the negative electrode of described Zener diode D3.
Further, also comprise switch key, the chip enable control pin that described voltage drives chip U2 is connected with first output of described switch key, and second output of described switch key is unsettled, and the input of described switch key is connected with the positive pole of described rechargeable battery.
Further, described heater circuit also comprises divider resistance R4, adjustable resistance R5 and temperature control panel, the voltage feedback pin that described voltage drives chip U2 is connected with the end of described divider resistance R4, and the other end of described divider resistance R4 is through described adjustable resistance R5 ground connection;
Described adjustable resistance R5 is located at described temperature control panel, regulates the resistance that described temperature control panel will be regulated described adjustable resistance R5.
Further, also comprise the solar recharging module, it is located at the shell of described electric iron, and the power pins of the described charging chip U1 of the output of described solar recharging module connects.
Further, described charging inlet is USB interface, and it is located at the afterbody of described electric iron, and described USB interface is connected with the power pins VCC of described charging chip U1.
Further, the model of described charging chip U1 is TP4056.
Further, the model of voltage driving chip U2 is LT3759.
Above-mentioned portable rechargeable electric iron is implemented in energy normal operation still under the occasion that does not have alternating current by in inside rechargeable battery being set, and has satisfied the requirement of field work; Temperature sensor is set on this external iron core detects its temperature and output detection voltage, heater circuit is carried in voltage on the iron core according to this detection voltage-regulation, prevent from over-heating occurring in the electric iron use, also more energy-conservation, in case avoided power line simultaneously or added thermoelectric core wearing and tearing causing human electric shock's dangerous defects.
Description of drawings
Fig. 1 is the module map of the portable rechargeable electric iron internal circuit that provides of the utility model embodiment;
Fig. 2 is the schematic diagram of the charging circuit that provides of the utility model embodiment;
Fig. 3 is the schematic diagram of the heater circuit that provides of the utility model embodiment;
Fig. 4 is the structural representation of the portable rechargeable electric iron that provides of the utility model embodiment.
The specific embodiment
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, show the module map of the portable rechargeable electric iron internal circuit that a preferred embodiment provides, for convenience of description, only show the part relevant with present embodiment.
A kind of portable rechargeable electric iron 100, it comprises rechargeable battery 120, charging circuit 130, temperature sensor 150 and heater circuit 170.
Above-mentioned portable rechargeable electric iron 100 is implemented in energy normal operation still under the occasion that does not have alternating current by rechargeable battery 120 is set in inside, has satisfied the requirement of field work; Temperature sensor 150 is set on this external iron core 140 detects its temperature and output detection voltage, heater circuit 170 is carried in voltage on the iron core 140 according to this detection voltage-regulation, prevent from over-heating occurring in electric iron 100 uses, also more energy-conservation, in case avoided power line simultaneously or added thermoelectric core wearing and tearing causing human electric shock's dangerous defects.
In the present embodiment, charging circuit 130 comprises charging chip U1, charging indication diode D1, full electricity indication diode D2 and thermo-sensitive resistor R1.Preferably, the model of charging chip U1 is TP4056.
The power pins VCC of charging chip U1 is connected with the positive pole of charging inlet 110, anode with charging indication diode D1 and full electricity indication diode D2 is connected simultaneously, and the negative electrode of charging indication diode D1 and full electricity indication diode D2 is connected with state indication pin CHRG, the enable pin STDBY of charging chip U1 respectively; The battery pin BAT of charging chip U1 is connected with the positive pole of rechargeable battery 120; The temperature detection pin TEMP of charging chip U1 is connected with the negative pole of rechargeable battery 120 through thermo-sensitive resistor R1.
Thermo-sensitive resistor R1 namely stops rechargeable battery 120 chargings if the too high charging chip U1 of temperature occurs for detection of the temperature of rechargeable battery 120.
In the present embodiment, heater circuit 170 comprises that voltage drives chip U2, inductance L 1, N-type metal-oxide-semiconductor Q1, Zener diode D3 and light emitting diode D4.In a preferred embodiment, the model of voltage driving chip U2 is LT3759.
Chip enable control pin EN-VULO, power pins VIN that voltage drives chip U2 all are connected with the positive pole of rechargeable battery 120; The PWM control pin GATE that voltage drives chip U2 is connected with the grid of N-type metal-oxide-semiconductor Q1, the source electrode of N-type metal-oxide-semiconductor Q1 is connected with the current detecting pin SENSE that voltage drives chip U2, the drain electrode of N-type metal-oxide-semiconductor Q1 is connected with the positive pole of rechargeable battery 120 and the anode of Zener diode D3 through inductance L 1, and the negative electrode of Zener diode D3 is connected with heater coil 160 as the output of heater circuit 170.
The voltage feedback pin FBX that voltage drives chip U2 also is connected the other end ground connection of temperature sensor 150 through the voltage feedback pin FBX that a resistance R 2 is connected with the negative electrode of Zener diode D3, voltage drives chip U2 with an end of temperature sensor 150 through a resistance R 3; The negative output pin PGOOD that voltage drives chip U2 is connected with the negative electrode of light emitting diode D4, and the anode of light emitting diode D4 is connected with the negative electrode of Zener diode D3.
In the present embodiment, the temperature that temperature sensor 150 detects on the iron core 140, feedback detects voltage and drives chip U2 to voltage, if temperature is too high, then reduce the dutycycle of the modulation signal of PWM control pin GATE output, reduce the ON time of N-type metal-oxide-semiconductor, make the potential to ground of inductance L 1 reduce, the voltage that is loaded into so on the heater coil 160 just descends, thereby iron core 140 temperature descend; Otherwise, if temperature is low excessively, then increase the dutycycle of the modulation signal of PWM control pin GATE output.
In a preferred embodiment, with reference to figure 3, heater circuit 170 also comprises divider resistance R4, adjustable resistance R5 and temperature control panel 190, and the voltage feedback pin that voltage drives chip U2 is connected with the end of divider resistance R4, and the other end of divider resistance R4 is through adjustable resistance R5 ground connection; Adjustable resistance R5 is located at temperature control panel, regulates the resistance that temperature control panel 190 will be regulated adjustable resistance R5.So namely can namely can regulate the detection voltage of temperature sensor 150 feedbacks by regulating temperature control panel 190.
In a preferred embodiment, with reference to figure 3 and Fig. 4, portable rechargeable electric iron 100 also comprises the K1 among switch key 180(Fig. 3), voltage drives chip enable the control pin and switch key 180(K1 of chip U2) first output be connected, switch key 180(K1) second output is unsettled, switch key 180(K1) input be connected with the positive pole of rechargeable battery 120.By gauge tap button 180(K1) unlatching or close the unlatching that can control heater circuit 170 or close.
In a preferred embodiment, with reference to figure 4, portable rechargeable electric iron 100 also comprises solar recharging module 102, and it is located at the shell 101 of electric iron 100, and the power pins VCC(of the output charging chip U1 of solar recharging module 102 is with reference to figure 3) connect.Can be for it charges, at the situation endure that does not have alternating current and rechargeable battery 120 deficiencies under the situation of rechargeable battery 120 charging there not being external power source by the solar recharging module is set.
In a preferred embodiment, with reference to figure 4, charging inlet 110 is USB interface, and it is located at the afterbody of electric iron 100, and USB interface is connected with the power pins VCC of charging chip U1.
Above-mentioned portable rechargeable electric iron 100 is implemented in energy normal operation still under the occasion that does not have alternating current by rechargeable battery 120 is set in inside, has satisfied the requirement of field work; Temperature sensor 150 is set on this external iron core 140 detects its temperature and output detection voltage, heater circuit 170 is carried in voltage on the iron core 140 according to this detection voltage-regulation, prevent from over-heating occurring in electric iron 100 uses, also more energy-conservation.
Being provided with in addition the solar recharging module is set to be for it charges, at the situation endure that does not have alternating current and rechargeable battery 120 deficiencies under the situation of rechargeable battery 120 charging there not being external power source.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. a portable rechargeable electric iron is characterized in that, comprising:
Be built in the rechargeable battery of electric iron;
Be connected the charging circuit between charging inlet and the described rechargeable battery;
Be located at the iron core of described electric iron, output detects the temperature sensor of voltage;
Be connected between the heater coil of described rechargeable battery and described electric iron, be carried in the heater circuit of the electric current and voltage on the described heater coil according to described detection voltage-regulation.
2. portable rechargeable electric iron as claimed in claim 1 is characterized in that, described charging circuit comprises charging chip U1, charging indication diode D1, full electricity indication diode D2 and thermo-sensitive resistor R1, wherein,
The power pins of described charging chip U1 is connected with the positive pole of described charging inlet, anode with described charging indication diode D1 and full electricity indication diode D2 is connected simultaneously, and the negative electrode of described charging indication diode D1 and full electricity indication diode D2 is connected with state indication pin, the enable pin of described charging chip U1 respectively;
The battery pin of described charging chip U1 is connected with the positive pole of described rechargeable battery;
The temperature detection pin of described charging chip U1 is connected with the negative pole of described rechargeable battery through described thermo-sensitive resistor R1.
3. portable rechargeable electric iron as claimed in claim 1 or 2 is characterized in that, described heater circuit comprises that also voltage drives chip U2, inductance L 1, N-type metal-oxide-semiconductor Q1, Zener diode D3 and light emitting diode D4, wherein,
Chip enable control pin, power pins that described voltage drives chip U2 all are connected with the positive pole of described rechargeable battery;
The PWM control pin that described voltage drives chip U2 is connected with the grid of described N-type metal-oxide-semiconductor Q1, the source electrode of described N-type metal-oxide-semiconductor Q1 is connected with the current detecting pin that described voltage drives chip U2, the drain electrode of described N-type metal-oxide-semiconductor Q1 is connected with the anode anodal and described Zener diode D3 of described rechargeable battery through described inductance L 1, and the negative electrode of described Zener diode D3 is connected with described heater coil as the output of described heater circuit;
The voltage feedback pin that described voltage drives chip U2 is connected with the negative electrode of described Zener diode D3, is connected the other end ground connection of temperature sensor through a resistance R 3 with an end of described temperature sensor through a resistance R 2;
The negative output pin that described voltage drives chip U2 is connected with the negative electrode of described light emitting diode D4, and the anode of described light emitting diode D4 is connected with the negative electrode of described Zener diode D3.
4. portable rechargeable electric iron as claimed in claim 3, it is characterized in that, also comprise switch key, the chip enable control pin that described voltage drives chip U2 is connected with first output of described switch key, second output of described switch key is unsettled, and the input of described switch key is connected with the positive pole of described rechargeable battery.
5. portable rechargeable electric iron as claimed in claim 3, it is characterized in that, described heater circuit also comprises divider resistance R4, adjustable resistance R5 and temperature control panel, the voltage feedback pin that described voltage drives chip U2 is connected with the end of described divider resistance R4, and the other end of described divider resistance R4 is through described adjustable resistance R5 ground connection;
Described adjustable resistance R5 is located at described temperature control panel, regulates the resistance that described temperature control panel will be regulated described adjustable resistance R5.
6. portable rechargeable electric iron as claimed in claim 2 is characterized in that, also comprises the solar recharging module, and it is located at the shell of described electric iron, and the power pins of the described charging chip U1 of the output of described solar recharging module connects.
7. as claim 2 or 6 described portable rechargeable electric iron, it is characterized in that described charging inlet is USB interface, it is located at the afterbody of described electric iron, and described USB interface is connected with the power pins VCC of described charging chip U1.
8. as claim 2 or 6 described portable rechargeable electric iron, it is characterized in that the model of described charging chip U1 is TP4056.
9. portable rechargeable electric iron as claimed in claim 3 is characterized in that, the model that voltage drives chip U2 is LT3759.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180782 CN203171106U (en) | 2013-04-11 | 2013-04-11 | Portable chargable electric soldering iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180782 CN203171106U (en) | 2013-04-11 | 2013-04-11 | Portable chargable electric soldering iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203171106U true CN203171106U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320180782 Expired - Fee Related CN203171106U (en) | 2013-04-11 | 2013-04-11 | Portable chargable electric soldering iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203171106U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475906A (en) * | 2014-10-30 | 2015-04-01 | 东莞莱玛电子科技有限公司 | Charging electric soldering iron device |
| CN106670615A (en) * | 2017-01-25 | 2017-05-17 | 西南交通大学 | Multifunctional wireless low-voltage soldering-iron soldering device |
| CN108176906A (en) * | 2018-02-12 | 2018-06-19 | 上官文韬 | A kind of Split intelligent welding stage |
| CN109530843A (en) * | 2019-01-21 | 2019-03-29 | 杭州致知科教用品有限公司 | A kind of Portable electric soldering iron |
-
2013
- 2013-04-11 CN CN 201320180782 patent/CN203171106U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475906A (en) * | 2014-10-30 | 2015-04-01 | 东莞莱玛电子科技有限公司 | Charging electric soldering iron device |
| CN106670615A (en) * | 2017-01-25 | 2017-05-17 | 西南交通大学 | Multifunctional wireless low-voltage soldering-iron soldering device |
| CN108176906A (en) * | 2018-02-12 | 2018-06-19 | 上官文韬 | A kind of Split intelligent welding stage |
| CN108176906B (en) * | 2018-02-12 | 2024-03-15 | 上官文韬 | Disconnect-type intelligence welds platform |
| CN109530843A (en) * | 2019-01-21 | 2019-03-29 | 杭州致知科教用品有限公司 | A kind of Portable electric soldering iron |
| CN109530843B (en) * | 2019-01-21 | 2024-02-06 | 杭州致知科教用品有限公司 | Portable electric soldering iron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20210411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |