CN113492243A - External power supply device for vacuum reflow soldering furnace - Google Patents
External power supply device for vacuum reflow soldering furnace Download PDFInfo
- Publication number
- CN113492243A CN113492243A CN202010201024.9A CN202010201024A CN113492243A CN 113492243 A CN113492243 A CN 113492243A CN 202010201024 A CN202010201024 A CN 202010201024A CN 113492243 A CN113492243 A CN 113492243A
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- China
- Prior art keywords
- vacuum
- power supply
- power
- flange pipe
- interface
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- Pending
Links
- 238000005476 soldering Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 29
- 238000004891 communication Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000565 sealant Substances 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
- B23K3/08—Auxiliary devices therefor
-
- 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
- B23K3/04—Heating appliances
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to an external power supply device for a vacuum reflow soldering furnace, which comprises a vacuum cavity interface, a flange pipe unit, a power box, a cable and a power connection column unit, wherein the vacuum cavity interface is arranged on the side wall of the vacuum reflow soldering furnace, one end of the flange pipe unit is hermetically connected with the vacuum cavity interface, the other end of the flange pipe unit is hermetically connected with the power box, a plurality of connection interfaces are arranged on the power box, a power connection column unit is arranged on each connection interface, each power connection column unit penetrates through the connection interface, one end of each power connection column unit is positioned on the outer side of the power box, the other end of each cable is positioned on the inner side of the power box, one end of each cable is connected with the power connection column unit positioned on the inner side of the power box, and the other end of each cable is connected with an internal mechanism of the vacuum reflow soldering furnace after sequentially penetrating through the power box, the flange pipe unit and the vacuum cavity interface. Compared with the prior art, the invention conveniently leads out the power line and the control line of the vacuum device, simultaneously ensures the air tightness in the vacuum reflow soldering furnace and improves the soldering quality of the electronic printed circuit board.
Description
Technical Field
The invention relates to welding corollary equipment, in particular to an external power supply device for a vacuum reflow oven.
Background
Reflow ovens (ReflowOven) are machines that reliably bond surface mounted components and circuit boards together by solder paste alloy by providing a heated environment that melts the solder paste. Reflow ovens are critical devices in surface mount technology for electronics manufacturing, and their quality and handling directly affect the quality of the final product, and once the soldering process is completed, it becomes very complicated and expensive to repair defective solder joints, components or circuit boards.
With the development of the electronic industry towards miniaturization and multi-specification directions, the requirements on the product quality are higher and higher, and in order to meet the new market requirements and reduce the product defects caused by welding, the vacuum reflow oven with the vacuum device gradually starts to be widely applied. The vacuum device can effectively reduce the size and the number of soldering tin cavities during welding of the reflow oven, and improve the welding quality.
However, the vacuum device is disposed inside the vacuum reflow oven, and its internal components (such as heater, electrical components, etc.) need to be connected with an external power supply and a control circuit for normal use. In the current market, cables are usually only randomly led out from the side wall of a vacuum reflow soldering furnace for use, so that the air tightness inside the vacuum reflow soldering furnace is poor, and the soldering quality is affected. Meanwhile, the led cables are disordered, so that a great deal of inconvenience is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an external power supply device for a vacuum reflow oven.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an external power supply unit for vacuum reflow soldering stove, includes vacuum cavity interface, flange pipe unit, power pack, cable and power connection post unit, the vacuum cavity interface sets up on the lateral wall of vacuum reflow soldering stove, and the one end sealing connection vacuum cavity interface of flange pipe unit, other end sealing connection power pack, be equipped with a plurality of connection interfaces on the power pack, install a power connection post unit on every connection interface, every power connection post unit passes connection interface, and one end is located the power pack outside, and the other end is located the power pack inboard, cable one end connect the power connection post unit that is located the power pack survey, the other end of cable passes power pack, flange pipe unit, vacuum cavity interface in proper order and connects the inside mechanism of vacuum reflow soldering stove.
Further, the flange pipe unit comprises at least one straight-through pipe or bent pipe, and adjacent straight-through pipes or bent pipes are hermetically connected with each other.
Furthermore, a first sealing O-shaped ring is arranged between the flange pipe unit and the vacuum cavity interface, one end of the flange pipe unit is provided with a first sealing groove, and the first sealing O-shaped ring is embedded into the first sealing groove and then contacts with the end face of the vacuum cavity interface to form a sealing structure.
Further, the flange pipe unit and the vacuum cavity interface are connected through bolts.
Further, the top surface of the power supply box is connected with the flange pipe unit, and the connecting interfaces are distributed on the same side surface of the power supply box.
Furthermore, the power connection column unit comprises an end cap, a fixing piece and a communicating piece, the fixing piece is embedded into the connection interface, the communicating piece penetrates through the fixing piece to be connected with the cable, and the end cap is connected with the fixing piece.
Further, the end cap and the fixing piece are ceramic components.
Furthermore, a clamp is arranged on the communicating piece and used for clamping the cable.
Compared with the prior art, the invention has the following advantages:
1. the invention leads out the power line and the control line of the vacuum device conveniently through the flange pipe unit and the power box, simultaneously ensures the air tightness in the vacuum reflow soldering furnace and improves the quality of the welding work.
2. The flange pipe units can be randomly distributed into various shapes, so that the flange pipe units are attached to the space around the vacuum reflow oven, the device is compact in structure, easy to distribute and install and good in universality.
3. The connection of the cable is simplified through the power connection column, the use is convenient, and the end cap plays the roles of insulation and protection on the cable, so that the use safety is improved; the connecting piece is provided with a clamp (431) which is convenient for the arrangement and the use of the cable.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the power connection column unit.
Reference numerals: 1. the vacuum cavity comprises a vacuum cavity interface, 11, a first sealing O-shaped ring, 2, a flange pipe unit, 21, a straight-through pipe, 22, a bent pipe, 3, a power supply box, 31, a connecting interface, 32, a second sealing O-shaped ring, 4, a power supply connecting column unit, 41, an end cap, 42, a fixing piece, 43, a communicating piece, 431, a clamp, 5 and a vacuum reflow soldering furnace.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the present embodiment provides an external power supply device for a vacuum reflow oven, which includes a vacuum chamber interface 1, a flange pipe unit 2, a power supply box 3, a cable (not shown in the figure) and a power connection column unit 4.
The vacuum cavity interface 1 is arranged on the side wall of the vacuum reflow oven 5, one end of the flange pipe unit 2 is hermetically connected with the vacuum cavity interface 1 through a bolt, and the other end of the flange pipe unit is hermetically connected with the power supply box 3 through a bolt. Specifically, a first sealing O-ring 11 is further arranged between the flange pipe unit 2 and the vacuum cavity interface 1, a first sealing groove is formed in one end of the flange pipe unit 2, and the first sealing O-ring 11 is embedded into the first sealing groove and then contacts with the end face of the vacuum cavity interface 1 and is compressed to form a sealing layer to form a sealing structure. Thereby, the space between the flange pipe unit 2 and the vacuum chamber port 1 will be sealed to prevent gas leakage.
The power box 3 is provided with a plurality of connecting interfaces 31, each connecting interface 31 is provided with a power connecting column unit 4, each power connecting column unit 4 penetrates through the connecting interface 31, one end of each power connecting column unit is positioned on the outer side of the power box 3, and the other end of each power connecting column unit is positioned on the inner side of the power box 3. One end of the cable is connected with a power connecting column unit 4 which is positioned in the power box 3, and the other end of the cable is connected with an internal mechanism of the vacuum reflow oven 5 after sequentially passing through the power box 3, the flange pipe unit 2 and the vacuum cavity interface 1.
The number of the connection ports 31 on the power box 3 is generally equal to or greater than six, and is used for ensuring that the required number of power cables and control cables in the vacuum reflow oven 5 can be fully covered. In this embodiment, six interfaces are adopted, meanwhile, the top surface of the power supply box 3 is connected with the flange pipe unit 2, and the connecting interfaces 31 are distributed on the same side surface of the power supply box 3, so that the connection of external lines is facilitated.
The flanged pipe unit 2 generally comprises at least one straight pipe 21 or elbow pipe 22, with adjacent straight pipes 21 or elbow pipes 22 being sealingly connected to each other. In this embodiment, a right-angle shape is formed by connecting a straight pipe 21 and a bent pipe 22, which is convenient for the layout of the power supply box 3.
As shown in fig. 2, the power connection pole unit 4 includes an end cap 41, a fixing member 42 and a communicating member 43. The fixing piece 42 is embedded into the connecting interface 31 and fixed by sealing glue and bolts; the communication piece 43 passes through the fixing piece 42 to connect the cable; the end cap 41 is mounted on a mount 42. A second sealing groove and a second sealing O-ring 32 are also provided on the connection interface 31. The fixing member 42 is inserted into the connection interface 31 and then connected by bolts, so that the second sealing O-ring 32 is compressed into a sealing layer in the second sealing groove, and the connection between the connection interface 31 and the power supply connection column is sealed. The end cap 41 and the fixing member 42 are ceramic components for insulation protection, and the communicating member 43 is made of conductive metal. The connecting member 43 is further provided with a clamp 431 for conveniently and rapidly clamping the cable for connection. In this embodiment, the end cap 41 is in the form of a side opening, and may also be in a shape matching the interface of an external device, which facilitates wiring.
The working principle of the embodiment is as follows:
the power supply box 3 is provided with a flange pipe unit 2; a first sealing O-ring 11 is installed at one end of the flange pipe unit 2, and the first sealing O-ring 11 on the flange pipe unit 2 is compressed and plays a role in sealing and preventing gas leakage. The bottom of the flange pipe unit 2 is connected with the power supply box 3, the inside of the flange pipe unit 2 is hollow, and a cable led out from the vacuum cavity can be led into the power supply box 3 through the cavity in the flange pipe unit 2; the power supply connecting column unit 4 is fixed on the power supply box 3 through bolts and sealant, and a cable led out from the vacuum cavity is connected with a communicating piece 43 in the power supply connecting column unit 4; since the communicating member 43 is made of conductive metal, the inside thereof is connected to the cable of the vacuum chamber, and the outside thereof is connected to an external control line or a power supply line, whereby the cable of the vacuum chamber is conducted to the outside.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. An external power supply device for a vacuum reflow soldering furnace is characterized by comprising a vacuum cavity interface (1), a flange pipe unit (2), a power box (3), a cable and a power connecting column unit (4), wherein the vacuum cavity interface (1) is arranged on the side wall of the vacuum reflow soldering furnace (5), one end of the flange pipe unit (2) is hermetically connected with the vacuum cavity interface (1), the other end of the flange pipe unit is hermetically connected with the power box (3), the power box (3) is provided with a plurality of connecting interfaces (31), one power connecting column unit (4) is installed on each connecting interface (31), each power connecting column unit (4) penetrates through the connecting interface (31), one end of each power connecting column unit is positioned outside the power box (3), the other end of each power connecting column unit is positioned inside the power box (3), one end of the cable is connected with the power connecting column unit (4) which is positioned inside the power box (3), the other end of the cable sequentially penetrates through the power supply box (3), the flange pipe unit (2) and the vacuum cavity interface (1) and then is connected with an internal mechanism of the vacuum reflow oven (5).
2. An external power supply device for a vacuum reflow oven according to claim 1, wherein the flange pipe unit (2) comprises at least one straight pipe (21) or an elbow pipe (22), and adjacent straight pipes (21) or elbow pipes (22) are hermetically connected with each other.
3. The external power supply device for the vacuum reflow oven according to claim 1, wherein a first sealing O-ring (11) is arranged between the flange pipe unit (2) and the vacuum chamber interface (1), a first sealing groove is arranged at one end of the flange pipe unit (2), and the first sealing O-ring (11) is embedded into the first sealing groove and then contacts with the end surface of the vacuum chamber interface (1) to form a sealing structure.
4. An external power supply device for a vacuum reflow oven according to claim 1, wherein the flange pipe unit (2) and the vacuum chamber interface (1) are connected by bolts.
5. An external power supply device for a vacuum reflow oven according to claim 1, wherein the top surface of the power supply box (3) is connected with the flange pipe unit (2), and the connection interfaces (31) are distributed on the same side surface of the power supply box (3).
6. An external power supply device for a vacuum reflow oven according to claim 1, wherein the power connection column unit (4) comprises an end cap (41), a fixing member (42) and a communication member (43), the fixing member (42) is embedded in the connection interface (31), the communication member (43) passes through the fixing member (42) to connect with a cable, and the end cap (41) is connected with the fixing member (42).
7. An external power supply device for a vacuum reflow oven according to claim 6, wherein the end cap (41) and the fixing member (42) are ceramic components.
8. An external power supply device for a vacuum reflow oven according to claim 6, wherein the communication member (43) is provided with a clamp (431) for clamping the cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010201024.9A CN113492243A (en) | 2020-03-20 | 2020-03-20 | External power supply device for vacuum reflow soldering furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010201024.9A CN113492243A (en) | 2020-03-20 | 2020-03-20 | External power supply device for vacuum reflow soldering furnace |
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CN113492243A true CN113492243A (en) | 2021-10-12 |
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CN202010201024.9A Pending CN113492243A (en) | 2020-03-20 | 2020-03-20 | External power supply device for vacuum reflow soldering furnace |
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CN201549613U (en) * | 2009-11-28 | 2010-08-11 | 上海通用汽车有限公司 | Cable connector for hybrid vehicles |
CN105322317A (en) * | 2014-11-18 | 2016-02-10 | 中国计量科学研究院 | Vacuum system, multi-level vacuum system and feed through electrical connection method therefor |
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CN105870775A (en) * | 2016-05-24 | 2016-08-17 | 中国人民解放军装备学院 | Integrated inert-gas frequency standard device for laser frequency locking |
CN205911510U (en) * | 2016-06-02 | 2017-01-25 | 宁波天鹭莱电子技术有限公司 | Electric connector |
CN109755799A (en) * | 2019-01-15 | 2019-05-14 | 广州市锐博生物科技有限公司 | Electric signal access device and vacuum system containing the electric signal access device |
CN109899680A (en) * | 2019-02-22 | 2019-06-18 | 太平洋海洋工程(舟山)有限公司 | A kind of cable penetrating sealing device for FSRU |
CN110212460A (en) * | 2019-06-25 | 2019-09-06 | 国网上海市电力公司 | The coupling hitch of hyperconductive cable |
CN209571632U (en) * | 2019-03-27 | 2019-11-01 | 核工业理化工程研究院 | One kind wearing the fast plug device of vacuum type high pressure |
CN212094759U (en) * | 2020-03-20 | 2020-12-08 | 上海朗仕电子设备有限公司 | External power supply device for vacuum reflow soldering furnace |
-
2020
- 2020-03-20 CN CN202010201024.9A patent/CN113492243A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201549613U (en) * | 2009-11-28 | 2010-08-11 | 上海通用汽车有限公司 | Cable connector for hybrid vehicles |
CN105322317A (en) * | 2014-11-18 | 2016-02-10 | 中国计量科学研究院 | Vacuum system, multi-level vacuum system and feed through electrical connection method therefor |
CN105826748A (en) * | 2016-03-18 | 2016-08-03 | 北京卫星环境工程研究所 | Vacuum high-voltage insulation structure for vacuum environment simulator power supply or cable transferring test |
CN105870775A (en) * | 2016-05-24 | 2016-08-17 | 中国人民解放军装备学院 | Integrated inert-gas frequency standard device for laser frequency locking |
CN205911510U (en) * | 2016-06-02 | 2017-01-25 | 宁波天鹭莱电子技术有限公司 | Electric connector |
CN109755799A (en) * | 2019-01-15 | 2019-05-14 | 广州市锐博生物科技有限公司 | Electric signal access device and vacuum system containing the electric signal access device |
CN109899680A (en) * | 2019-02-22 | 2019-06-18 | 太平洋海洋工程(舟山)有限公司 | A kind of cable penetrating sealing device for FSRU |
CN209571632U (en) * | 2019-03-27 | 2019-11-01 | 核工业理化工程研究院 | One kind wearing the fast plug device of vacuum type high pressure |
CN110212460A (en) * | 2019-06-25 | 2019-09-06 | 国网上海市电力公司 | The coupling hitch of hyperconductive cable |
CN212094759U (en) * | 2020-03-20 | 2020-12-08 | 上海朗仕电子设备有限公司 | External power supply device for vacuum reflow soldering furnace |
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