CN112108735A - Welding device for connecting electric engineering wires - Google Patents
Welding device for connecting electric engineering wires Download PDFInfo
- Publication number
- CN112108735A CN112108735A CN202011123899.8A CN202011123899A CN112108735A CN 112108735 A CN112108735 A CN 112108735A CN 202011123899 A CN202011123899 A CN 202011123899A CN 112108735 A CN112108735 A CN 112108735A
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- CN
- China
- Prior art keywords
- handle
- resistor
- wire
- heating
- temperature control
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 26
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- 239000010445 mica Substances 0.000 claims abstract description 11
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000004870 electrical engineering Methods 0.000 claims abstract description 8
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 5
- 238000005476 soldering Methods 0.000 claims description 9
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005485 electric heating Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
-
- 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
- B23K3/08—Auxiliary devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
A welding device for connecting wires in electrical engineering is composed of a handle, a power socket fixed to the tail end of handle, a temp controller connected to the front end of handle, a U-shaped supporter fixed to the front end of temp controller via a short tube, and a tin pot with heating element connected to said U-shaped supporter. The power switch button and the temperature control knob of the temperature control circuit extend out of the panel of the temperature controller. The temperature control circuit consists of a switch k1, a bridge rectifier, a one-way Silicon Controlled Rectifier (SCR), a slide Rheostat (RP), a resistor R1, a diode D5, a resistor R2 and a capacitor C. The tin pot is made of titanium alloy, a layer of mica sheets and a heating resistance wire are wrapped around and at the bottom of the tin pot, and an insulating mica sheet is wrapped on the outer layer of the heating resistance wire and sleeved with a metal protective cover. The invention has the beneficial effects that: avoiding the open fire operation mode and controlling the heating temperature of the tin pot. The quality of wire welding and the security of operation have been improved.
Description
Technical Field
The invention relates to a welding device, in particular to a welding device for connecting electric engineering wires.
Background
When the electrical engineering is used for conducting wire connection operation, in order to ensure the quality of the wire connection, the wound wire is usually required to be subjected to tin hanging welding operation. The conventional practice of the tinning welding operation is to place a solder bar in a tin pot, heat the tin pot with a torch, insert a wire joint into the tin pot, and perform tinning welding treatment on the wire joint. This welding method has two drawbacks: firstly, the operation of open flame by using a blast burner is easy to cause fire, and serious potential safety hazard exists; secondly, the temperature of the tin pot can not be accurately controlled by heating the tin pot by the blast lamp, the tin hanging is uneven when the temperature of the tin pot is too low, and the tin hanging is not full when the temperature is too high.
In order to solve the difficult problem of open fire operation of a blast burner, the company invents a device (Chinese patent: ZL 200920247935.4) for heating a lead and soldering tin by an electric heating tube in 2009, and the electric heating tube is used for heating a soldering tin bar, so that the fire hazard caused by the open fire operation is eliminated. The product of the patent still has two defects, namely, the caliber of the heating pipe is small, and the operation is not easy during tin hanging welding, so that the soldering tin is not full enough; secondly, the soldering temperature cannot be accurately controlled.
Disclosure of Invention
The invention aims to provide a welding device for connecting electric engineering wires, which not only has a tin pot with a large caliber, but also can control the heating temperature of the tin pot so as to solve the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a welding device for connecting wires in electrical engineering comprises a handle and a heating device arranged at the front end of the handle, and is characterized in that a power socket is fixed at the tail end of the handle, the front end of the handle is connected with a temperature controller, a U-shaped support is fixed at the front end of the temperature controller through a short pipe, and the U-shaped support is connected with a tin pot with a heating element.
The power socket arranged at the tail end of the handle is a single-phase power socket with a protective ground jack, and the protective ground jack and the two power jacks are arranged in a delta shape.
The temperature controller is provided with a square insulating shell, the rear part of the square insulating shell is connected with the handle, the front part of the square insulating shell is connected with the U-shaped bracket, a temperature control circuit is arranged in the square insulating shell, and a power switch button and a temperature control knob of the temperature control circuit extend out of a panel of the square insulating shell.
The temperature control circuit is composed of a switch K1, a bridge rectifier, a one-way Silicon Controlled Rectifier (SCR), a slide rheostat RP, a resistor R1, a diode D5, a resistor R2 and a capacitor C, wherein the input end of the bridge rectifier is connected to a 220V single-phase power supply through a switch K1, the anode of the output end of the bridge rectifier is connected to one end of a heating resistance wire, the other end of the heating resistance wire is connected to one end and the sliding end of the slide rheostat RP and the anode of the one-way Silicon Controlled Rectifier (SCR), the other end of the slide rheostat RP is connected to the connection position of the resistor R2 and the capacitor C through a resistor R1, the other end of the resistor R2 is connected to the control electrode of the one-way Silicon Controlled Rectifier (SCR) through a diode D5, the cathode of.
The tin pot with the heating element is characterized in that the tin pot is made of titanium alloy, a mica sheet layer is wrapped on the periphery and the bottom surface of the tin pot, a heating resistance wire layer taking the mica sheet as a supporting framework is wrapped on the tin pot, an insulating ceramic tube is sleeved on a leading-out wire of the resistance wire and is connected to a temperature control circuit along one arm of a U-shaped support, a metal protective cover is wrapped on the outer layer of the heating resistance wire layer, a metal strap, a bolt and a nut are used for tightly fixing the metal protective cover on the tin pot.
Compared with the prior art, the invention has the beneficial effects that:
1. the wire welding device adopts an electric heating mode, avoids an open fire operation mode, and greatly improves the safety performance of wire welding operation.
2. The handle and the power line of the wire welding device are connected through the plug and the socket, so that the power line and the device can be conveniently separated, and the movement operation is convenient.
3. The bottom and the side wall of the tin pot are heated simultaneously, heating is even, and the tin soldering strips melt more quickly.
4. The device has temperature control device, solves the unable accurate controlled temperature's of blowtorch heating tin pot problem, guarantees the tin quality of hanging of wire.
Drawings
Fig. 1 is a schematic view of the overall structure of the wire bonding apparatus of the present invention.
FIG. 2 is a schematic structural view of the insulating mica sheet outside the tin pan.
Fig. 3 is a schematic diagram of a temperature control circuit.
In the figure: 1. a power socket; 2. a handle; 3. a temperature control device; 4. a switch; 5. a temperature control knob; 6. a short pipe; 7. the positive electrode of the resistance wire and an insulating sleeve thereof; 8. a resistance wire cathode and an insulating sleeve thereof; a U-shaped bracket; 10. a bolt; 11. a nut; 12. and (7) a tin pan.
Detailed Description
The following provides a more detailed description of the structure of the wire bonding apparatus of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic view showing the overall structure of the wire bonding apparatus according to the present invention.
The lead welding device is provided with a handle 2, a power socket 1 is fixed at the tail end of the handle 2, the front end of the handle 2 is connected with a temperature controller 3, a short pipe 6 is arranged at the front end of the temperature controller 3, a U-shaped support 9 is fixed on the short pipe 6, and the U-shaped support 9 is connected with a tin pot 12 with a heating element. The power socket 1 arranged at the tail end of the handle 2 is a single-phase power socket with a protective earth jack, and the protective earth jack and the two power jacks are arranged in a delta shape. The temperature controller 3 is provided with a square insulating shell, the rear part of the square insulating shell is connected with the handle 2, the front part of the square insulating shell is connected with the U-shaped bracket 9 through a short pipe 6, a temperature control circuit is arranged in the square insulating shell, and a power switch button 4 and a temperature control knob 5 of the temperature control circuit extend out of a panel of the square insulating shell.
As shown in fig. 3, the temperature control circuit is composed of a switch K1, a bridge rectifier, a unidirectional silicon controlled rectifier SCR, a sliding rheostat RP, a resistor R1, a diode D5, a resistor R2 and a capacitor C, an input end of the bridge rectifier is connected to a 220V single-phase power supply through a switch K1, an anode of an output end of the bridge rectifier is connected to one end of a heating resistance wire, the other end of the heating resistance wire is connected to one end and a sliding end of the sliding rheostat RP and an anode of the unidirectional silicon controlled rectifier, the other end of the sliding rheostat RP is connected to a connection position of the resistor R2 and the capacitor C through a resistor R1, the other end of the resistor R2 is connected to a control electrode of the unidirectional silicon controlled rectifier SCR through a diode D5, a cathode of the unidirectional silicon controlled rectifier SCR is.
The tin pot 12 with the heating element is a tin pot made of titanium alloy, the periphery and the bottom surface of the tin pot are wrapped with a layer of mica sheet (see figure 2), the periphery and the bottom surface of the tin pot are wrapped with a layer of heating resistance wire taking the mica sheet as a supporting framework, the anode 7 of the resistance wire and an insulating sleeve thereof as well as the cathode 8 of the resistance wire and an insulating sleeve thereof are connected to a temperature control circuit along one arm of a U-shaped bracket 9, the outer layer of the heating resistance wire is wrapped with a layer of insulating mica sheet and sleeved with a metal protective cover, and the metal protective cover is tightly fixed on the tin pot 12 by a metal strap, a bolt 10 and a nut 11.
The working principle of the temperature control circuit is that alternating current-220V mains supply becomes pulsating direct current after passing through a bridge rectifier, the pulsating direct current charges a capacitor C through RP and R1, when the voltage at two ends of the capacitor C reaches the threshold voltage of a diode D5, a diode D5 is conducted, and a control electrode of a one-way Silicon Controlled Rectifier (SCR) is triggered immediately to be conducted. Adjusting RP can change the charging time of the power supply to the capacitor C, namely, the conduction angle of the controlled silicon is changed, so that the heating temperature of the device is changed along with the change of the conduction angle of the controlled silicon.
The tin pot is made of titanium alloy, has the characteristics of corrosion resistance, acid resistance, tin-free property and the like, and has the length, width and height dimensions of 59mm, 59mm and 70mm respectively.
The working process of the wire welding device is as follows: an external power line and a plug are connected to the power socket 1, the button 4 of the power switch K1 is pressed to switch on the power supply, and the temperature control knob 5 is adjusted to 250 ℃ to melt the soldering tin bars in the tin pot 12. After the soldering tin bar is melted, the power switch K1 is turned off, the external power plug is pulled off, and the wound wire connector is subjected to tin hanging welding.
Compared with the prior art, the invention has the beneficial effects that:
1. the wire welding device adopts an electric heating mode, avoids an open fire operation mode, and greatly improves the safety performance of wire welding operation.
2. The handle and the power line of the wire welding device are connected through the plug and the socket, so that the power line and the device can be conveniently separated, and the movement operation is convenient.
3. The bottom and the side wall of the tin pot are heated simultaneously, heating is even, and the tin soldering strips melt more quickly.
4. The device has temperature control device, solves the unable accurate controlled temperature's of blowtorch heating tin pot problem, guarantees the tin quality of hanging of wire.
Claims (5)
1. A welding device for connecting wires in electrical engineering comprises a handle and a heating device arranged at the front end of the handle, and is characterized in that a power socket is fixed at the tail end of the handle, the front end of the handle is connected with a temperature controller, a U-shaped rod is fixed at the front end of the temperature controller through a short pipe, and the U-shaped rod is connected with a tin pot with a heating element.
2. The welding device for connecting electrical engineering wires according to claim 1, wherein the power socket provided at the distal end of the handle is a single-phase power socket having a ground protection jack, and the ground protection jack is arranged in a delta shape with two power jacks.
3. The welding device for electrical engineering wire connection according to claim 1, wherein the temperature controller has a square insulating case, the rear portion of the square insulating case is connected to the handle, the front portion of the square insulating case is connected to the U-shaped rod, the temperature control circuit is installed in the square insulating case, and the power switch button and the temperature control knob of the temperature control circuit extend out of the panel of the square insulating case.
4. A welding device for electrical engineering wire connection according to claim 3, the temperature control circuit is composed of a switch K1, a bridge rectifier, a one-way Silicon Controlled Rectifier (SCR), a slide rheostat RP, a resistor R1, a diode D5, a resistor R2 and a capacitor C, wherein the input end of the bridge rectifier is connected to a 220V single-phase power supply through a switch K1, the anode of the output end of the bridge rectifier is connected to one end of a heating resistance wire, the other end of the heating resistance wire is connected to one end and the sliding end of the slide rheostat RP and the anode of the one-way Silicon Controlled Rectifier (SCR), the other end of the slide rheostat RP is connected to the connection position of the resistor R2 and the capacitor C through a resistor R1, the other end of the resistor R2 is connected to the control electrode of the one-way Silicon Controlled Rectifier (SCR) through a diode D5, the cathode of.
5. The soldering apparatus for electrical engineering wire connection as claimed in claim 1, wherein the tin pan with heating element is made of titanium alloy and is covered with a mica sheet around and on the bottom surface of the tin pan, and is further covered with a heating resistor wire using the mica sheet as a supporting skeleton, the leading-out wire of the heating resistor wire is covered with an insulating porcelain tube and is connected to the temperature control circuit along one arm of the U-shaped rod, the outer layer of the heating resistor wire is further covered with an insulating mica sheet and is covered with a metal protecting cover, and the metal protecting cover is tightly fixed on the tin pan by a metal band, bolts and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123899.8A CN112108735A (en) | 2020-10-20 | 2020-10-20 | Welding device for connecting electric engineering wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123899.8A CN112108735A (en) | 2020-10-20 | 2020-10-20 | Welding device for connecting electric engineering wires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112108735A true CN112108735A (en) | 2020-12-22 |
Family
ID=73794332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011123899.8A Pending CN112108735A (en) | 2020-10-20 | 2020-10-20 | Welding device for connecting electric engineering wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112108735A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3943326A (en) * | 1972-11-24 | 1976-03-09 | Royel International Pty. Ltd. | Temperature control circuit for a hand held soldering tool |
| CN2781306Y (en) * | 2005-03-07 | 2006-05-17 | 马书利 | Portable electric tin crucible |
| CN203992717U (en) * | 2014-06-10 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of portable solder pot |
| CN105414696A (en) * | 2014-10-28 | 2016-03-23 | 国家电网公司 | Tinning method and electrothermal tin melting device |
| CN213969412U (en) * | 2020-10-20 | 2021-08-17 | 鞍钢房产建设有限公司 | Welding device for connecting electric engineering wires |
-
2020
- 2020-10-20 CN CN202011123899.8A patent/CN112108735A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3943326A (en) * | 1972-11-24 | 1976-03-09 | Royel International Pty. Ltd. | Temperature control circuit for a hand held soldering tool |
| CN2781306Y (en) * | 2005-03-07 | 2006-05-17 | 马书利 | Portable electric tin crucible |
| CN203992717U (en) * | 2014-06-10 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of portable solder pot |
| CN105414696A (en) * | 2014-10-28 | 2016-03-23 | 国家电网公司 | Tinning method and electrothermal tin melting device |
| CN213969412U (en) * | 2020-10-20 | 2021-08-17 | 鞍钢房产建设有限公司 | Welding device for connecting electric engineering wires |
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