WO2005084865A1 - Outil chauffant sans fil pour soudage électrique et son socle - Google Patents

Outil chauffant sans fil pour soudage électrique et son socle Download PDF

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Publication number
WO2005084865A1
WO2005084865A1 PCT/JP2005/004239 JP2005004239W WO2005084865A1 WO 2005084865 A1 WO2005084865 A1 WO 2005084865A1 JP 2005004239 W JP2005004239 W JP 2005004239W WO 2005084865 A1 WO2005084865 A1 WO 2005084865A1
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WO
WIPO (PCT)
Prior art keywords
heating
tip
cordless
charging
capacitor
Prior art date
Application number
PCT/JP2005/004239
Other languages
English (en)
Japanese (ja)
Inventor
Hiroatsu Kondo
Takashi Nagase
Original Assignee
Hakko Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hakko Corporation filed Critical Hakko Corporation
Priority to JP2006510812A priority Critical patent/JPWO2005084865A1/ja
Publication of WO2005084865A1 publication Critical patent/WO2005084865A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/02—Soldering irons; Bits
    • B23K3/03—Soldering irons; Bits electrically heated

Definitions

  • the present invention relates to a soldering iron used when soldering an electronic component to a circuit board or the like.
  • Conventional electric soldering heaters generally have a built-in heater, and a power cord for supplying electricity to the heater is led out and connected to an external power supply.
  • a general battery has a poor power efficiency and is difficult to use.
  • a soldering iron which is a typical soldering heater, loses a large amount of heat in a short time every time it is soldered, causing the temperature of the tip to drop sharply. It is necessary to raise the temperature immediately in preparation.
  • high heat recovery is required as a function unique to a soldering heater, but it has been difficult for a general battery to satisfy the requirement.
  • a rechargeable battery using a secondary battery such as a rechargeable battery has also been proposed.
  • a general rechargeable battery such as a Ni-Cd rechargeable battery or a Ni-MH rechargeable battery has a low charging efficiency and a low charge efficiency. There was a problem that time was long. In addition, the heat recovery was not sufficient.
  • the solder heating apparatus is generally used by an operator while holding it with one hand, the general rechargeable battery is relatively heavy and large, so that the solder heating apparatus is heavy and large. This inevitably leads to an increased burden on workers. [0008] Furthermore, in the above-described general rechargeable battery, deterioration due to charge and discharge is relatively easy to proceed, which causes an increase in maintenance cost.
  • the present invention has been made in view of the above-described problems, and improves the working efficiency by reducing the cordlessness, increases the charging efficiency and shortens the charging time, improves the heat recovery property, and reduces the size and weight.
  • An object of the present invention is to provide a cordless electric soldering heater and a holder for the same that can reduce maintenance costs.
  • Patent Document 1 JP-A-48-79149
  • the present invention provides a tip for heating solder, a heating unit for heating the tip, a body provided with the tip and the heating unit, A cordless electric soldering heating device, which is built in the device and is externally charged and has a power supply unit for supplying the charged electricity to the heating unit, wherein a capacitor is used as the power supply unit. It is characterized by.
  • a capacitor particularly an electric double layer capacitor, has a higher charging efficiency than a conventional Ni-Cd rechargeable battery or the like, whose internal resistance is extremely small. Therefore, the charging time can be reduced. In addition, since rapid charging and discharging can be performed, heat recovery, which is particularly important as a solder heating device, can be effectively improved. Further, since the deterioration due to charge and discharge is small, the maintenance cost can be reduced. Furthermore, in addition to being cordless, since the power supply unit is made of a capacitor, the size and weight can be reduced, so that the working efficiency can be remarkably improved.
  • a preferable capacity is in the range of about 20 F-5000 F, more preferably about 1 OOOF.
  • a temperature detection unit for detecting the temperature of the distal tip and a control unit for controlling electric power supplied to the heating unit may be provided.
  • the power supplied to the heating unit is adjusted in accordance with the temperature difference between the desired set temperature appropriately set and the temperature of the tip chip detected by the temperature detection unit.
  • the temperature of the chip can be maintained around the set temperature, or Even if the temperature of the distal end tip suddenly drops by supplying, the temperature can be quickly returned to around the set temperature. That is, the heat recovery property can be improved.
  • the heating unit may operate based on a control signal output from the control unit, and the control unit may operate using the capacitor as a power supply.
  • control unit can be driven without providing a power supply for the control unit separately, so that the device can be reduced in size and simplified.
  • a charging connection portion for the capacitor may be provided on an outer surface of the main body.
  • the capacitor can be easily charged via the charging connection.
  • a holding portion for holding the cordless electric soldering heater is electrically connected to the charging connection portion with the cordless electric soldering heating device held by the holding portion. It is desirable to use a holding table provided with a charging terminal and a charging circuit for supplying electricity to the capacitor via the charging terminal.
  • the cordless electric soldering calorie heating device can be used during the waiting time for the soldering operation (time other than the time during which the soldering operation is actually performed during the entire operation time). Charging can be performed only by holding the battery on the holder. In other words, the charging can be performed by effectively using the standby time, so that the substantial charging time can be significantly reduced.
  • FIG. 1 is a front view of a cordless soldering iron according to one embodiment of the present invention.
  • FIG. 2 is a front view of the cordless soldering iron shown in FIG. 1 with a cutout.
  • FIG. 3 is a left side view of the cordless soldering iron shown in FIG. 1.
  • FIG. 4 is a front view showing a state in which a holding table (iron table) having a built-in charger holds the cordless soldering iron shown in FIG.
  • FIG. 5 is a view as viewed in the direction of arrow II in FIG.
  • FIG. 6 is a block diagram showing an electrical configuration of the cordless soldering iron shown in FIG.
  • FIG. 7 is a charging characteristic diagram of the cordless soldering iron shown in FIG. 1.
  • FIG. 8 is a graph showing temperature rise characteristics of the cordless soldering iron shown in FIG. 1.
  • FIG. 9 is a composite characteristic diagram showing temperature drop characteristics and voltage drop characteristics of the cordless soldering iron shown in FIG. 1.
  • FIG. 1 is a front view of a cordless soldering iron 1 which is an embodiment of a cordless electric soldering heater according to the present invention.
  • FIG. 2 is a front view partially cut away.
  • FIG. 3 is a left side view thereof.
  • the cordless soldering iron 1 has a grip portion 2 formed as a main body, and a tip 3 (tip tip) is fixed to a tip side of the grip portion 2 by a protection pipe 4.
  • a heater 5 with a built-in sensor is inserted inside the tip 3.
  • a temperature detector 5a for detecting the temperature of the tip 3 is provided at the tip of the heater 5 with a built-in sensor, and a heater 5b for heating the tip 3 is provided on the base end side.
  • the heating section 5b of this embodiment is a 6W electric heater.
  • the temperature detecting section 5a and the heating section 5b are connected to a control board 6 (control section), respectively.
  • the control board 6 is housed inside the grip unit 2.
  • An electric double layer capacitor 7 is housed at the rear end of the grip 2 as a power supply.
  • the electric double layer capacitor 7 of the present embodiment is a large-capacity capacitor having a voltage of 5 V and a capacity of 50 F.
  • the positive and negative output terminals of the electric double layer capacitor 7 are connected to the positive and negative input terminals of the control board 6, respectively.
  • the positive and negative input terminals of the electric double layer capacitor 7 are connected to the positive and negative terminals of a pair of charging connection portions 8 provided on the outer peripheral surface near the tip of the grip portion 2, respectively. .
  • a control IC (not shown), a temperature detection circuit, a heater control circuit, and the like (all not shown) are connected to the control board 6.
  • the control board 6 is operated based on power supply from the electric double layer capacitor 7. Move.
  • the heater control circuit is controlled based on the temperature set by the temperature detection circuit, and the heating unit 5b is controlled to reach the set temperature.
  • a protrusion 9 is provided on the outer peripheral surface near the tip of the grip portion 2.
  • the projection 9 functions as a positioning for charging described later.
  • FIG. 4 is a front view showing a state where the ironing stand 10 (holding stand) having a built-in charger for charging the cordless soldering iron 1 holds the cordless soldering iron 1.
  • FIG. 5 is a view as viewed in the direction of the arrow II in FIG.
  • a substantially cylindrical holding portion 11 for holding the cordless soldering iron 1 is provided substantially at the upper center of the ironing stand 10. As shown in FIG. 4, the tip of the grip portion 2 of the cordless soldering iron 1 is inserted into the holding portion 11 from the vicinity of the tip end, so that the cordless soldering iron 1 is held. You.
  • a concave portion 12 that opens upward is provided above the insertion opening of the holding portion 11.
  • the width of the recess 12 is set slightly wider than the width of the protrusion 9 of the cordless soldering iron 1. Therefore, the cordless soldering iron 1 is inserted into the holding part 11 so that the projection 9 and the concave part 12 are fitted to each other, so that the position of the cordless soldering iron 1 with respect to the holding part 11 in the axial direction can be determined. Done.
  • the holding portion 11 has a diameter smaller than the outer diameter of the grip portion 2 at a portion where the diameter near the insertion port is slightly larger than the outer diameter of the grip portion 2 and is deeper than a predetermined depth. Therefore, when the cordless soldering iron 1 is inserted into the holding part 11, the tip of the grip part 2 stops at the radial step of the holding part 11, and the cordless soldering iron 1 is positioned relative to the holding part 11 in the axial direction.
  • a pair of (plus and minus) charging terminals 13 are provided on the inner surface near the insertion opening of the holding unit 11.
  • the charging terminal 13 is configured to abut the charging connection portion 8 of the cordless soldering iron 1 in a state where the cordless soldering iron 1 is positioned and held by the holding portion 11.
  • the charging terminal 13 is formed in a plate-like shape having elasticity, and is configured to be in close contact with the charging connection portion 8.
  • a charging circuit unit 14 is also provided which receives power from a commercial AC power source via a power cord 17, converts the power into an appropriate direct current (DC) power, and outputs the converted power. ing .
  • the charging circuit section 14 is connected to a charging terminal 13 and to a safety circuit (not shown) such as a power switch 16 and an overcharge protection circuit.
  • a water immersion cleaning sponge 15 for cleaning the tip 3 is provided on the right side of the charging circuit section 14 in the state shown in FIG.
  • FIG. 6 is a block diagram showing an electrical configuration of the cordless soldering iron 1. As shown in the figure, the electric power is supplied from the electric double layer capacitor 7 to the heating section 5b via the control board 6. With such a configuration, the control board 6 can be driven without providing a separate power supply, so that the device is downsized and simplified.
  • FIG. 7 is a charging characteristic diagram of the cordless soldering iron 1.
  • FIG. 8 is a temperature rise characteristic diagram of the cordless soldering iron 1.
  • FIG. 9 is a composite characteristic diagram showing a temperature drop characteristic and a voltage drop characteristic of the cordless soldering iron 1. The operation of the cordless soldering iron 1 will be described with reference to these figures.
  • the worker can efficiently perform the work by placing the ironing stand 10 on the right side in the state shown in Fig. 4 and the left side on the back side and performing the soldering work. It is necessary to charge the electric double layer capacitor 7 before use.
  • For charging with the power cord 17 connected to the commercial AC power supply and the power switch 16 turned on, align the position of the recessed part 12 of the holding part 11 with the protrusion 9 of the cordless soldering iron 1 to make the cordless soldering iron 1 Is inserted into the holding portion 11. That is, the AC of the commercial AC power supply is converted into a DC of an appropriate voltage by the charging circuit unit 14, and the electric double layer capacitor 7 is charged via the charging terminal 13 and the charging connection unit 8. At this time, the overcharge protection circuit prevents overcharge, and charges an appropriate amount in a short time.
  • the horizontal axis indicates the charging start time (s), and the vertical axis indicates the voltage (V).
  • the charging time to reach the charging voltage of 5 V is about 60 s, and charging can be completed in a much shorter time than a general rechargeable battery such as a Ni-Cd rechargeable battery.
  • the electric double layer capacitor From 7 After charging the electric double layer capacitor 7, or concurrently with charging, the electric double layer capacitor From 7, power is supplied to the heating unit 5 b via the heating control unit 6 b (see FIG. 6, which includes the above-described heater control circuit) of the control board 6, and the temperature of the tip 3 rises.
  • the horizontal axis indicates the elapsed time (s) from the start of heating, and the vertical axis indicates the tip temperature (° C).
  • the temperature rise characteristic C2 is a characteristic when heating is started in a state where the electric double layer capacitor 7 is fully charged (5 V), and power is supplied from the charging circuit unit 14 during heating.
  • the set temperature is 450 ° C.
  • the temperature rise characteristics C2 the temperature reached the set temperature in a short time of about 180s. During that time, there is almost no voltage drop of the electric double layer capacitor 7.
  • the temperature control unit 6 a of the control board 6 receives a signal from the temperature detection unit 5 a for detecting the temperature of the tip 3, and sets a set temperature. Compare with It is determined that the tip 3 has reached the set temperature when the temperature difference falls below the predetermined value. Upon receiving the determination, the heating control unit 6b stops supplying power from the electric double layer capacitor 7 to the heating unit 5b. Thus, the temperature of the tip 3 is maintained near the set temperature.
  • the operator pulls out the cordless soldering iron 1 from the holding part 11 of the iron base 10 and performs a soldering operation. Since the power cord is connected to the cordless soldering iron 1, fine soldering work can be easily performed in a small and small area. In addition, since the electric double layer capacitor 7 that is smaller and lighter than that using a conventional Ni-Cd rechargeable battery is used in the power supply section, the cordless soldering iron 1 itself can be made smaller and lighter. The work efficiency can be remarkably enhanced by these cordless and small and light weight daggers.
  • FIG. 9 is a composite characteristic diagram showing the temperature drop characteristics and the voltage drop characteristics of the cordless soldering iron 1, and the horizontal axis indicates the elapsed time of the force at the time when the cordless soldering iron 1 was extracted from the holding part 11 ( s), the left vertical axis shows the tip temperature (° C), and the right vertical axis shows the voltage (V) of the electric double layer capacitor 7.
  • the temperature drop characteristic C3 follows the left vertical axis, and the voltage drop characteristic C4 follows the right vertical axis.
  • the temperature drop characteristics C3 and the voltage drop characteristics C4 are the characteristics when the cordless soldering iron 1 is pulled out of the holding portion 11 and then is naturally radiated without soldering.
  • the voltage of the electric double layer capacitor 7 starts to drop about 40 seconds after the start of heat radiation, and then continues to drop slowly.
  • the temperature of the tip 3 also drops with the voltage drop.
  • the time tl required for the tip temperature to drop from the set temperature around 450 ° C to 300 ° C (point PI) is about 150s.
  • the time tl at which the tip temperature drops to point P1 is called the solderable time tl.
  • the fact that the solderable time tl is about 150 s means that the tip 3 has sufficient heat recovery.
  • the cordless soldering iron 1 is transferred to the holding portion 11 of the ironing stand 10.
  • the electric double-layer capacitor 7 can be recharged by attaching it. By recharging, the heat recovery of the tip 3 can be improved again, and the soldering operation can be continued.
  • the work time for actually heating the solder with the tip 3 is shorter than the entire work time, and most of the work time is that the cordless soldering iron 1 is inserted into the holding part 11. It is the waiting time while wearing. Since the cordless soldering iron 1 of the present embodiment can perform recharging while effectively utilizing the standby time, the charging time other than the first charging can be substantially zero.
  • the tip 3 is rubbed with a water immersion cleaning sponge 15 to remove the tip 3. Washing can be performed. Since the cordless soldering iron 1 is used in a state where the electric double layer capacitor 7 in the power supply section is disconnected from the commercial AC power supply, the cordless soldering iron 1 is hardly affected by induction noise, static electricity and the like from the external power supply line. The effect can also be obtained.
  • the soldering iron is mentioned as the most representative of the solder heating appliances.
  • other solder heating appliances for example, a solder removing appliance that absorbs the solder while melting it, or a soldering appliance that is soldered
  • the electronic component may be applied to an electronic component removal tool or the like that removes the solder from the board while melting the solder while holding the electronic component between a pair of tweezers.
  • the specifications of the heating section 5b and the electric double layer capacitor 7 shown in the above embodiment are merely examples, and may be changed as appropriate according to the type and size of the solder heating device. Further, a capacitor other than the electric double layer capacitor may be used as the power supply unit. However, if the capacity of the capacitor is too small, the rate of decrease in heat recovery increases, and frequent charging is required. Conversely, if the capacity is too large, the charging time becomes longer.
  • a preferred capacity is in the range of about 20F-5000F, more preferably about 1000F.
  • an alarm generating means for generating an alarm by a lamp buzzer or the like when the voltage of the electric double layer capacitor 7 becomes lower than a predetermined voltage may be provided.
  • control board 6 may be provided with a control circuit that gives priority to charging the electric double layer capacitor 7 over energizing the heating unit 5b until the voltage of the electric double layer capacitor 7 reaches a predetermined voltage. .
  • a control circuit that gives priority to charging the electric double layer capacitor 7 over energizing the heating unit 5b until the voltage of the electric double layer capacitor 7 reaches a predetermined voltage.
  • the electric power of the electric double layer capacitor 7 may be directly supplied to the heating unit 5b without providing the temperature detection unit 5a and incorporating the control board 6. In this case, control cannot be performed at the set temperature, but a temperature at which the capacity of the heating unit 5b and the electric power of the electric double layer capacitor 7 are balanced can be used as the approximate set temperature.
  • the present invention provides a tip for heating solder, A heating unit for heating the distal tip, a main body provided with the distal tip and the heating unit, and a power source built in the main body and charged from the outside and supplying the charged electricity to the heating unit.
  • This is a cordless electric soldering heating appliance that includes a power supply unit and a capacitor as the power supply unit. It is possible to improve the performance, reduce the size and weight, and reduce the maintenance cost.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

Outil chauffant sans fil pour soudage électrique et socle pour poser l'outil chauffant. L'outil chauffant de soudage (1) comporte une pointe (3) chauffante une brasure, une partie chauffante (5) chauffant la pointe (3), un corps (2) ayant la pointe (3) et la partie chauffante (5), et une partie alimentation (7) intégrée au corps (2), chargée depuis l'extérieur, et alimentant l'électricité chargée à la partie chauffante (5). Un condensateur est utilisé comme partie alimentation (7).
PCT/JP2005/004239 2004-03-10 2005-03-10 Outil chauffant sans fil pour soudage électrique et son socle WO2005084865A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006510812A JPWO2005084865A1 (ja) 2004-03-10 2005-03-10 コードレス式電気はんだ加熱器具およびその保持台

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004113676 2004-03-10
JP2004-113676 2004-03-10

Publications (1)

Publication Number Publication Date
WO2005084865A1 true WO2005084865A1 (fr) 2005-09-15

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PCT/JP2005/004239 WO2005084865A1 (fr) 2004-03-10 2005-03-10 Outil chauffant sans fil pour soudage électrique et son socle

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JP (1) JPWO2005084865A1 (fr)
WO (1) WO2005084865A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475906A (zh) * 2014-10-30 2015-04-01 东莞莱玛电子科技有限公司 一种充电式电烙铁装置
KR101569386B1 (ko) * 2013-04-08 2015-11-16 주식회사 샤플라이 충전식 무선인두장치
CN106670615A (zh) * 2017-01-25 2017-05-17 西南交通大学 多功能无线低压烙铁钎焊
JP2019063866A (ja) * 2017-09-28 2019-04-25 白光株式会社 コードレス半田ごて、半田ごてセット及び半田ごてシステム
KR20200128903A (ko) * 2019-05-07 2020-11-17 울산과학기술원 무선 납땜기구

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281761U (fr) * 1988-12-14 1990-06-25
JPH03124563U (fr) * 1990-03-30 1991-12-17
JP2000245072A (ja) * 1999-02-19 2000-09-08 Sanyo Electric Co Ltd コードレス装置
JP2000288724A (ja) * 1999-04-08 2000-10-17 Funai Electric Co Ltd 充電式半田ゴテ
JP2001298268A (ja) * 2000-04-14 2001-10-26 Miyaden Co Ltd 高周波加熱式半田鏝

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281761U (fr) * 1988-12-14 1990-06-25
JPH03124563U (fr) * 1990-03-30 1991-12-17
JP2000245072A (ja) * 1999-02-19 2000-09-08 Sanyo Electric Co Ltd コードレス装置
JP2000288724A (ja) * 1999-04-08 2000-10-17 Funai Electric Co Ltd 充電式半田ゴテ
JP2001298268A (ja) * 2000-04-14 2001-10-26 Miyaden Co Ltd 高周波加熱式半田鏝

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101569386B1 (ko) * 2013-04-08 2015-11-16 주식회사 샤플라이 충전식 무선인두장치
CN104475906A (zh) * 2014-10-30 2015-04-01 东莞莱玛电子科技有限公司 一种充电式电烙铁装置
CN106670615A (zh) * 2017-01-25 2017-05-17 西南交通大学 多功能无线低压烙铁钎焊
JP2019063866A (ja) * 2017-09-28 2019-04-25 白光株式会社 コードレス半田ごて、半田ごてセット及び半田ごてシステム
JP7260891B2 (ja) 2017-09-28 2023-04-19 白光株式会社 コードレス半田ごて、半田ごてセット及び半田ごてシステム
KR20200128903A (ko) * 2019-05-07 2020-11-17 울산과학기술원 무선 납땜기구
KR102201260B1 (ko) * 2019-05-07 2021-01-11 울산과학기술원 무선 납땜기구

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