WO2023051277A1 - 一种陶瓷电烙铁 - Google Patents

一种陶瓷电烙铁 Download PDF

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Publication number
WO2023051277A1
WO2023051277A1 PCT/CN2022/119174 CN2022119174W WO2023051277A1 WO 2023051277 A1 WO2023051277 A1 WO 2023051277A1 CN 2022119174 W CN2022119174 W CN 2022119174W WO 2023051277 A1 WO2023051277 A1 WO 2023051277A1
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wire
soldering iron
heating element
ceramic
ceramic heating
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PCT/CN2022/119174
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English (en)
French (fr)
Inventor
雷·彼得
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Chongqing Le Mark Technology Co Ltd
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Chongqing Le Mark Technology Co Ltd
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Priority to MX2023011760A priority Critical patent/MX2023011760A/es
Priority to KR1020237045278A priority patent/KR102829933B1/ko
Priority to EP22874664.0A priority patent/EP4410465A4/en
Priority to US18/557,506 priority patent/US20240217012A1/en
Priority to CA3206509A priority patent/CA3206509A1/en
Priority to JP2023574175A priority patent/JP7720415B2/ja
Publication of WO2023051277A1 publication Critical patent/WO2023051277A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • 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
    • B23K3/0338—Constructional features of electric soldering irons
    • B23K3/0346—Handles

Definitions

  • the invention relates to the technical field of heating equipment, in particular to a ceramic electric soldering iron.
  • ESD Electrostatic discharge
  • my country is a processing base of electronic products, and there are many electronic product processing enterprises all over the country. Most of the ESD control work of these enterprises has not been established in accordance with American standards.
  • the ESD20.20 scheme requires the grounding voltage to be less than 2mV and the grounding resistance to be less than 2 ⁇ .
  • anti-static is carried out by directly grounding the shell or using a ceramic heating element.
  • the patent application number CN200520065808.4 discloses an AC-DC dual-purpose energy-saving anti-static constant-temperature silicon nitride electric soldering iron. , Welding nozzle, stainless steel sleeve, heat-insulating ceramic tube, inclined-plane heat-insulating ceramic tube and handle. There are two lead-out electrodes, and the electrostatic protection of the heating element cannot guarantee that the grounding voltage is ⁇ 2mV and the grounding resistance is ⁇ 2 ⁇ .
  • the purpose of the present invention is to provide a ceramic electric soldering iron to determine whether the grounding voltage of ESD is less than 2mV and the grounding resistance is less than 2 ⁇ .
  • the present invention adopts the following technical solutions.
  • a ceramic electric soldering iron comprising a soldering iron tip, a handle, a ceramic heating element, a positive lead wire and a negative lead lead, characterized in that it also includes a lead wire and a ground wire, the negative lead wire is connected to the soldering iron head, and the positive lead lead is connected to On the ceramic heating element, the lead is connected to the negative electrode lead at the front end of the ceramic heating element, the lead is connected to the control detection center (which can detect ground voltage and ground resistance), and the ground wire is connected to the handle.
  • the wire is connected to the negative wire at the front end of the ceramic heating element through the first crown spring, and the closer the connection point is to the soldering iron tip, the lower the grounding voltage and grounding resistance .
  • a second crown spring is connected to the middle of the ceramic heating element, and the negative wire is drawn out through the second crown spring, and the negative wire combines power supply and temperature measurement output.
  • the third crown spring is connected to the end of the ceramic heating element and leads out the positive wire.
  • the positive wire also provides power supply and temperature measurement.
  • the tail of the handle is connected to the ground wire.
  • the positive and negative wires are made of thermocouple material, and the positive and negative wires are led out from the handle and connected to the control center.
  • the ceramic heating element adopts a silicon nitride all-ceramic heating element.
  • the ceramic electric soldering iron provided by the present invention adopts a three-pole handle structure to ensure the combined functions of conductive heating, temperature control, static electricity elimination and meeting ESD requirements.
  • the wire is connected to the soldering iron head and is tested by the control and detection center to meet the ESD standard.
  • the grounding resistance is ⁇ 2 ⁇
  • the lead wire is grounded at the end of the handle to eliminate static electricity and detect the state of the handle, so as to realize automatic sleep and other actions, effectively avoiding damage to components; through the head Heat conduction to the soldering iron tip, fast heating speed, high temperature control accuracy, and the use of silicon carbide ceramic heating element, because of its size can be processed smaller, to meet the welding of high-precision electronic components that cannot be performed by conventional electric soldering irons, and at the same time the price is low , and precise temperature control, fast temperature recovery and long life.
  • Fig. 1 is the structural representation of a kind of ceramic electric soldering iron in the embodiment
  • a ceramic electric soldering iron includes a soldering iron tip 1, a handle 2, a ceramic heating element 3, a positive lead 4, a negative lead 5, a lead 6 and a ground wire 7, and the front end of the ceramic heating element 3 is connected to the The soldering iron tip 1, the handle 2 wraps the ceramic heating element 3 and the soldering iron tip 1, the soldering iron tip 1 passes through the front end of the handle 2, the negative lead wire 5 is connected to the soldering iron tip 1, the The negative lead wire 5 is led out from the middle of the ceramic heating element 3, and the negative electrode lead 5 and the positive electrode lead 4 form a loop in the ceramic heating element 3, and the ceramic heating element 3 is heated, and the ceramic heating element 3
  • the lead wire 6 is drawn from the negative lead wire 5 at the front end, and the lead wire 6 is connected to the control and detection center to detect the ground voltage and ground resistance.
  • the wire 6 is connected to the negative wire 5 at the front end of the ceramic heating element 3. connect.
  • the lead wire 6 is connected to the negative electrode lead wire 5 at the front end of the ceramic heating element 3 through the first crown spring 8, which can transmit relatively large current, and the connection stability is good, and the current transmission is stable.
  • the middle part of the ceramic heating element 3 is connected with a second crown spring 9, through which the negative lead wire 5 is led out, and the negative lead wire 5 is also used for power supply and temperature measurement output.
  • the third crown spring 10 is connected to the end of the ceramic heating element 3 and leads out the positive lead 4 , and the positive lead 4 is used for both power supply and temperature measurement.
  • the tail of the handle 2 is connected to the ground wire 7 for grounding to eliminate static electricity.
  • the positive lead wire 4 and the negative lead wire 5 are made of thermocouple material, which is a kind of material for measuring temperature by using the electromotive force generated by temperature difference between different materials, and the thermal electromotive force of the material changes with the temperature difference.
  • the ceramic heating element 3 adopts a silicon nitride all-ceramic heating element, which is smaller in size than traditional heating elements, which improves the temperature control response speed and the service life of the ceramic heating element 3 .

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

Abstract

一种陶瓷电烙铁，包括烙铁头（1）、手柄（2）、陶瓷发热体（3）、正极导线（4）和负极导线（5），还包括导线（6）和地线（7），负极导线连接在烙铁头上，正极导线连接在陶瓷发热体上，导线连接在陶瓷发热体前端的负极导线上，导线连接控制检测中心，可检测接地电压和接地电阻，地线与手柄连接。该电烙铁具有确定是否满足接地电压＜2mV，接地电阻＜2Ω的优点。

Description

一种陶瓷电烙铁 技术领域
本发明涉及加热的设备技术领域，具体涉及一种陶瓷电烙铁。
背景技术
目前，电烙铁在电器行业和电子制作中是必不可少的工具，用于焊接元器件及其导线，由于使用过程中不同静电电位的物体互相靠近或直接接触引起的电荷转移产生静电放电(ESD)，ESD会导致电烙铁内部设备损坏，减少使用寿命，而我国是电子产品的加工基地，在全国各地都有众多的电子产品加工企业，这些企业的ESD控制工作绝大多数没有按照美国标准建立ESD20.20方案，要求接地电压＜2mV，接地电阻＜2Ω。
现有技术中，通过外壳直接接地线或采用陶瓷发热体进行防静电，如申请号为CN200520065808.4的专利，公开了一种交直流两用节能防静电恒温氮化硅电烙铁，由发热芯、焊嘴、不锈钢套管、隔热陶瓷管、斜面隔热陶瓷管和手柄组成，发热芯采用不同额定功率的氮化硅发热体，为圆柱型，其前段插接至焊嘴内，后段设有2个引出电极，对发热体进行的静电保护，无法保证接地电压＜2mV，接地电阻＜2Ω。
发明内容
本发明目的在于提供一种陶瓷电烙铁，以确定是否满足ESD的接地电压＜2mV，接地电阻＜2Ω。
为了实现上述目的，本发明采用如下所述技术方案。
一种陶瓷电烙铁，包括烙铁头、手柄、陶瓷发热体、正极导线和负极导线，其特征在于：还包括导线和地线，所述负极导线连接在所述烙铁头上，所述正极导线连接在陶瓷发热体上，所述导线连接在所述陶瓷发热体前端的所述负极导线上，所述导线连接控制检测中心(可检测接地电压和接地电阻)，所述地线与手柄连接。
为了便于引出所述导线，稳定传输电流，所述导线通过第一冠簧连接在所述陶瓷发热体前端的所述负极导线上，并且连接点越靠近所述烙铁头接地电压与接地电阻越小。
为了便于引出所述负极导线，稳定传输电流，所述陶瓷发热体中部连接有第二冠簧，通过第二冠簧引出所述负极导线，所述负极导线兼并供电和测温输出。
为了便于引出所述正极导线，稳定传输电流，所述第三冠簧连接在所述陶瓷发热体末端并引出所述正极导线，所述正极导线兼并供电和测温。
为了消除静电同时不干扰技术人员手持操作，所述手柄尾部连接所述地线接地。
为了便于实时检测温度，所述正极导线和负极导线采用热电偶材料，所述正极导线和负极导线从手柄中引出连接到控制中心。
为了控温响应速度和所述陶瓷发热体的使用寿命，所述陶瓷发热体采用氮化硅全陶瓷发热体。
有益效果：本发明提供的陶瓷电烙铁，采用三极的手柄结构，保证导电加热、控温、消除静电和满足ESD要求的复合功能，导线连接在烙铁头上通过控制检测中心检测是否满足ESD标准对保证接地电压＜2mV，接地电阻＜2Ω的要求，并在手柄尾部引出导线接地，用于消除静电和探测手柄的状态，以实现自动休眠等动作，有效避免了元器件受损；通过头部传导热量给烙铁头，升温速度快、控温精度高，且采用碳化硅陶瓷发热体，因其尺寸可以加工得更小，满足常规电烙铁无法进行的高精密电子元器件的焊接，同时价格低廉，且控温精准，回温快，寿命长。
附图说明
图1是实施例中一种陶瓷电烙铁的结构示意图；
附图标记：1、烙铁头；2、手柄；3、陶瓷发热体；4、正极导线；5、负极导线；6、导线；7、地线；8、第一冠簧；9、第二冠簧；10、第三冠簧。
具体实施方式
下面结合附图和具体实施例对本发明作进一步说明，但以下实施例的说明只是用于帮助理解本发明的原理及其核心思想，并非对本发明保护范围的限定。应当指出，对于本技术领域普通技术人员来说，在不脱离本发明原理的前提下，针对本发明进行的改进也落入本发明权利要求的保护范围内。
实施例
如图1所示，一种陶瓷电烙铁，包括烙铁头1、手柄2、陶瓷发热体3、正极导线4、负极导线5、导线6和地线7，所述陶瓷发热体3前端连接所述烙铁头1，所述手柄2包裹住所述陶瓷发热体3和烙铁头1，所述烙铁头1从所述手柄2前端穿出，所述负极导线5连接在所述烙铁头1上，所述负极导线5在所述陶瓷发热体3中部引出，所述负极导线5与正极导线4在所述陶瓷发热体3中形成回路，并对所述陶瓷发热体3进行加热，所述陶瓷发热体3前端的所述负极导线5上引出所述导线6，所述导线6连接控制检测中心，检测接地电压与接地电阻，连接点越靠近所述烙铁头1感应电压更低，接地电压与接地电阻就越小，并且测得数值满足ESD要求的接地电压＜2mV，接地电阻＜2Ω，所述导线6连接在所述陶瓷发热体3前端的所述负极导线5上，所述地线7与手柄2连接。
所述导线6通过第一冠簧8连接在所述陶瓷发热体3前端的所述负极导线5上，可传输较大电流、并且连接稳定性好，电流传输稳定。
所述陶瓷发热体3中部连接有第二冠簧9，通过所述第二冠簧9引出所述负极导线5，所述负极导线5兼并供电和测温输出。
所述第三冠簧10连接在所述陶瓷发热体3末端并引出所述正极导线4，所述正极导线4兼并供电和测温。
所述手柄2尾部连接所述地线7接地，用于消除静电。
所述正极导线4和负极导线5采用热电偶材料，利用不同材料之间产生的温差反应电动势，材料的热电动势随温度差而变化的特性来测温的一种材料。
所述陶瓷发热体3采用氮化硅全陶瓷发热体，尺寸比传统的发热体更小，提高了控温响应速度和所述陶瓷发热体3的使用寿命。

Claims (7)

  1. 一种陶瓷电烙铁，包括烙铁头(1)、手柄(2)、陶瓷发热体(3)、正极导线(4)和负极导线(5)，其特征在于：还包括导线(6)和地线(7)，所述负极导线(5)连接在所述烙铁头(1)上，所述正极导线(4)连接在所述陶瓷发热体(3)上，所述导线(6)连接在所述陶瓷发热体(3)前端的所述负极导线(5)上，所述导线(6)又连接控制检测中心，所述地线(7)与手柄(2)连接。
  2. 根据权利要求1所述的陶瓷电烙铁，其特征在于：所述导线(6)通过第一冠簧(8)连接在所述陶瓷发热体(3)前端的所述负极导线(5)上。
  3. 根据权利要求1或2所述的陶瓷电烙铁，其特征在于：所述陶瓷发热体(3)中部连接有第二冠簧(9)，通过所述第二冠簧(9)引出负极导线(5)。
  4. 根据权利要求3所述的陶瓷电烙铁，其特征在于：第三冠簧(10)连接在所述陶瓷发热体(3)末端，通过第三冠簧(10)引出所述正极导线(4)。
  5. 根据权利要求4所述的陶瓷电烙铁，其特征在于：所述导线(6)在所述手柄(2)尾部连接所述地线(7)。
  6. 根据权利要求5所述的陶瓷电烙铁，其特征在于：所述正极导线(4)和负极导线(5)采用热电偶材料。
  7. 根据权利要求6所述的陶瓷电烙铁，其特征在于：所述陶瓷发热体(3)采用氮化硅全陶瓷发热体。
PCT/CN2022/119174 2021-09-29 2022-09-16 一种陶瓷电烙铁 Ceased WO2023051277A1 (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
MX2023011760A MX2023011760A (es) 2021-09-29 2022-09-16 Soldador electrico ceramico.
KR1020237045278A KR102829933B1 (ko) 2021-09-29 2022-09-16 세라믹 전기 납땜 인두
EP22874664.0A EP4410465A4 (en) 2021-09-29 2022-09-16 ELECTRIC CERAMIC SOLDERING IRON
US18/557,506 US20240217012A1 (en) 2021-09-29 2022-09-16 Ceramic electric soldering iron
CA3206509A CA3206509A1 (en) 2021-09-29 2022-09-16 Ceramic electric soldering iron
JP2023574175A JP7720415B2 (ja) 2021-09-29 2022-09-16 セラミック電気はんだごて

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CN202111147848.3 2021-09-29
CN202111147848.3A CN113695701A (zh) 2021-09-29 2021-09-29 一种陶瓷电烙铁

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EP (1) EP4410465A4 (zh)
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KR (1) KR102829933B1 (zh)
CN (1) CN113695701A (zh)
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