CN211248677U - Post-cooling device of wave crest furnace - Google Patents
Post-cooling device of wave crest furnace Download PDFInfo
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- CN211248677U CN211248677U CN201921674899.XU CN201921674899U CN211248677U CN 211248677 U CN211248677 U CN 211248677U CN 201921674899 U CN201921674899 U CN 201921674899U CN 211248677 U CN211248677 U CN 211248677U
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Abstract
The utility model discloses a wave crest furnace rear cooling device, which comprises a heat radiation fan, a refrigerator, a cold air box, a water cooler, a cooling water tank and a cooling pipe; a cold air outlet of the refrigerator is communicated with the inside of a cold air box through a pipeline, the cold air box is arranged right above a PCB (printed circuit board) outlet of the wave crest furnace, an opening is formed in the bottom wall of the cold air box, and a heat dissipation fan is installed at the opening; the inlet end and the outlet end of the cooling pipe penetrate through the wall of the cooling water tank and are positioned on the outer side of the cooling water tank, and the outlet end of the cooling pipe is communicated with the inside of the cold air box through a pipeline; the water outlet of the water cooler is connected with the water inlet of the cooling water tank through a water pipe, and the water outlet of the cooling water tank is connected with the water return port of the water cooler through a water pipe; use the utility model discloses when cooling off the PCB board that comes out by the crest furnace, cooling rate is fast, has improved the problem that current cooling device can not reach some electrical components and parts on the PCB board and cooling rate required after the welding.
Description
Technical Field
The utility model relates to a crest soldering tin technical field specifically is a cooling device behind crest furnace.
Background
Wave soldering is a process of forming a solder wave with a specific shape on the liquid surface of a solder tank by molten liquid solder under the action of a pump, placing a PCB inserted with components on a transmission chain, and penetrating the solder wave through the solder wave at a certain immersion depth through a certain specific angle to realize welding of a welding point. The process is carried out in a wave-crest furnace, the PCB needs to be cooled as soon as possible after passing through the wave-crest furnace, and particularly when the electrical components on the PCB have certain requirements on the cooling speed after welding, the existing cooling device is only one or one group of cooling fans, the cooling speed is not fast enough, and the requirements of some electrical components on the PCB on the cooling speed after welding can not be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cooling device behind crest furnace to improve the problem that current cooling device can not reach some electrical components and parts on the PCB board and require cooling rate after welding.
The utility model discloses a realize like this: a wave crest furnace rear cooling device comprises a heat radiation fan, a refrigerator, a cold air box, a water cooler, a cooling water tank and a cooling pipe; a cold air outlet of the refrigerator is communicated with the inside of a cold air box through a pipeline, the cold air box is arranged right above a PCB (printed circuit board) outlet of the wave crest furnace, an opening is formed in the bottom wall of the cold air box, and a heat dissipation fan is installed at the opening; the cooling pipe is arranged in the cooling water tank, the inlet end and the outlet end of the cooling pipe penetrate through the wall of the cooling water tank and are positioned on the outer side of the cooling water tank, and the outlet end of the cooling pipe is communicated with the interior of the cold air box through a pipeline; the water outlet of the water cooler is connected with the water inlet of the cooling water tank through a water pipe, and the water outlet of the cooling water tank is connected with the water return port of the water cooler through a water pipe.
Further, the cooling pipe is of a multiple S-shaped structure, and the cooling pipe is made of copper or iron or aluminum.
Furthermore, the outside parcel of cooling trough has the heat preservation, the heat preservation adopts the heat preservation cotton.
Furthermore, a thermometer for detecting the temperature of cooling water in the cooling water tank is arranged on the cooling water tank.
Further, be provided with the rack on the lateral wall of cooling trough, electronic type digital display thermometer is chooseed for use to the thermometer, the thermometer includes display part, connecting wire and temperature probe, display part and temperature probe pass through the connecting wire and link to each other, the display part sets up on the rack, temperature probe places in the cooling water in the cooling trough.
Furthermore, a plurality of openings are formed in the bottom wall of the cold air box, the openings are uniformly formed along the length direction of the bottom wall of the cold air box, and a heat dissipation fan is mounted at each opening; a cold air outlet of the refrigerator is connected with a main cold air pipe, the other end of the main cold air pipe is sealed, the main cold air pipe is connected with a plurality of sub-cold air pipes communicated with the interior of the main cold air pipe, one end of each air-cold air pipe is connected with the outer wall of the main cold air pipe, and the other end of each air-cold air pipe is connected and inserted into the cold air box; the number of the cold air distributing pipes is the same as that of the heat dissipation fans, and one end of each cold air distributing pipe, which is positioned in the cold air box, is positioned right above each heat dissipation fan in a one-to-one correspondence mode.
Compared with the prior art, the beneficial effects of the utility model are that:
1. use the utility model discloses when cooling off the PCB board that comes out by the crest furnace, cooling rate is fast, has improved the problem that current cooling device can not reach some electrical components and parts on the PCB board and cooling rate required after the welding.
2. The cooling tube is multiple S-shaped structure, and the cooling tube uses copper or iron or aluminium to make, sets up like this and has prolonged the time that outside air passed through in the cooling tube for the outside air that gets into in the cooling tube can be better by the cooling water cooling in the cooling trough, has improved the cooling effect of cooling tube, has improved the cooling rate to the PCB board.
3. The embodiment of the utility model provides an in, cooling trough's outside parcel has the heat preservation, and the heat preservation adopts the heat preservation cotton, has reduced the heat exchange in the cooling water in the cooling trough and the external environment, and is more energy-conserving.
4. A thermometer used for detecting the temperature of cooling water in the cooling water tank is arranged on the cooling water tank, the thermometer is an electronic digital display thermometer, the thermometer comprises a display part, a connecting wire and a temperature probe, and the temperature probe is placed in the cooling water tank; confirm whether need open the cooling water of cold water machine in to the cooling trough through the temperature that shows on watching the display screen of display part and cool down, can reduce the operating duration of cold water machine under the prerequisite that the cooling water is located suitable temperature in guaranteeing the cooling trough, make the utility model discloses it is more energy-conserving during the use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a post-cooling device of a wave crest furnace of the present invention;
FIG. 2 is a front view of a schematic structural view of a post-cooling apparatus of a wave furnace according to the present invention;
FIG. 3 is a schematic view of the cold air box of FIG. 1 in the direction A;
fig. 4 is an enlarged view of the region B in fig. 2.
In the figure: 1. a heat dissipation fan; 2. a refrigerator; 3. a cold air box; 4. a water chiller; 5. a cooling water tank; 6. a cooling tube; 701. a display unit; 702. a connecting wire; 703. a temperature probe; 8. placing a rack; 9. a main cooling air pipe; 10. and (5) cooling air pipes.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, in an embodiment of the present invention, a post-cooling device for a wave-crest furnace includes a heat dissipation fan 1, and further includes a refrigerator 2, a cold air box 3, a water chiller 4, a cooling water tank 5, and a cooling pipe 6; a cold air outlet of the refrigerator 2 is communicated with the inside of a cold air box 3 through a pipeline, the cold air box 3 is arranged right above a PCB (printed circuit board) outlet of the wave crest furnace, an opening is formed in the bottom wall of the cold air box 3, and a heat dissipation fan 1 is installed at the opening; the cooling pipe 6 is arranged in the cooling water tank 5, the inlet end and the outlet end of the cooling pipe 6 penetrate through the wall of the cooling water tank 5 and are positioned outside the cooling water tank 5, and the outlet end of the cooling pipe 6 is communicated with the inside of the cold air box 3 through a pipeline; the water outlet of the water cooler 4 is connected with the water inlet of the cooling water tank 5 through a water pipe, the water outlet of the cooling water tank 5 is connected with the water return port of the water cooler 4 through a water pipe, the cooling water in the cooling water tank 5 is sucked into the water cooler 4 through the water outlet of the cooling water tank 5 by the water cooler 4, and the cooling water flows back to the cooling water tank 5 through the water pipe from the water outlet of the cooling water tank 5 after being cooled in a cooling copper pipe of the water cooler 4, so that the cooling water in the cooling water tank 5 is cooled.
The utility model discloses a theory of operation: the refrigerator 2 conveys the manufactured cold air to the cold air box 3, and the heat dissipation fan 1 blows the cold air in the cold air box 3 to the PCB from the wave crest furnace to rapidly cool the PCB; when refrigerant 2 breaks down or the cold air that refrigerator 2 carried to in the cold air box 3 is not enough when heat dissipation fan 1 uses, under the effect of heat dissipation fan 1, in the cooling tube 6 was advanced into to external air, because the cooling tube 6 sets up in cooling trough 5, deposit the cooling water after the cooling of cold water machine 4 in cooling trough 5, and make cooling tube 6 submergence in the cooling water, then the air that gets into in cooling tube 6 gets into in cold air box 3 after by the cooling water cooling again, is blown to the PCB board that treats the cooling by heat dissipation fan 1, cools off the PCB board fast.
Therefore, use the utility model discloses when cooling off the PCB board that comes out by the crest furnace, cooling rate is fast, has improved the problem that current cooling device can not reach some electrical components and parts on the PCB board and require cooling rate after the welding.
Referring to fig. 1, in the embodiment of the present invention, the cooling pipe 6 is a multiple S-shaped structure, and the cooling pipe 6 is made of copper or iron or aluminum, so as to prolong the time of the external air passing through the cooling pipe 6, so that the external air entering the cooling pipe 6 can be better cooled by the cooling water in the cooling water tank 5, thereby improving the cooling effect of the cooling pipe 6 and the cooling speed of the PCB board.
The embodiment of the utility model provides an in, cooling trough 5's outside parcel has the heat preservation, and the heat preservation adopts the heat preservation cotton, has reduced the heat exchange among the cooling water in the cooling trough 5 and the external environment, and is more energy-conserving.
Referring to fig. 1, fig. 2 and fig. 4, in an embodiment of the present invention, a thermometer for detecting a temperature of cooling water in the cooling water tank 5 is disposed on the cooling water tank 5, the thermometer is an electronic digital display thermometer, the thermometer includes a display portion 701, a connecting line 702 and a temperature probe 703, the display portion 701 and the temperature probe 703 are connected through the connecting line 702, a placing rack 8 is disposed on an outer side wall of the cooling water tank 5, the display portion 701 is disposed on the placing rack 8, and the temperature probe 703 is disposed in the cooling water tank 5; the thermometer can be an electronic digital display thermometer with a model T110, which is a thermistor sensor, the temperature probe 703 is a stainless steel probe, and the display screen of the display part 701 displays the temperature of the measured object contacted with the temperature probe 703, so that in the embodiment, the display part 701 displays the temperature of the cooling water in the cooling water tank 5; confirm whether need open the cooling water of cold water machine 4 in to cooling trough 5 through the temperature of watching demonstration on the display screen of display part 701 and cool down, can reduce the operating duration of cold water machine 4 under the prerequisite that the cooling water is located suitable temperature in guaranteeing cooling trough 5, make the utility model discloses it is more energy-conserving during the use.
Referring to fig. 1 and 3, in the embodiment of the present invention, a plurality of openings are formed on the bottom wall of the air-conditioning box 3, each opening is uniformly arranged along the length direction of the bottom wall of the air-conditioning box 3, and a heat dissipation fan 1 is installed at each opening; a cold air outlet of the refrigerator 2 is connected with a main cold air pipe 9, the other end of the main cold air pipe 9 is sealed, the main cold air pipe 9 is connected with a plurality of sub-cold air pipes 10 communicated with the interior of the main cold air pipe 9, one end of each air-cold air pipe 10 is connected with the outer wall of the main cold air pipe 9, and the other end of each air-cold air pipe is connected and inserted into the cold air box 3; the number of the sub-cooling air pipes 10 is the same as that of the heat dissipation fans 1, and one end of each sub-cooling air pipe 10, which is positioned in the cold air box 3, is positioned right above each heat dissipation fan 1 in a one-to-one correspondence manner; the PCB board that the export of crest furnace was come out in bank is discharged a bit, through above-mentioned technical scheme, can make each heat dissipation fan 1 one-to be located each PCB board directly over in bank exhaust PCB board, makes the utility model is suitable for a to the quick cooling by the export of crest furnace in bank exhaust PCB board.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A wave crest furnace rear cooling device comprises a heat radiation fan (1), and is characterized by also comprising a refrigerator (2), a cold air box (3), a water chiller (4), a cooling water tank (5) and a cooling pipe (6); a cold air outlet of the refrigerator (2) is communicated with the inside of a cold air box (3) through a pipeline, the cold air box (3) is arranged right above a PCB (printed circuit board) outlet of the wave crest furnace, an opening is formed in the bottom wall of the cold air box (3), and a heat dissipation fan (1) is installed at the opening; the cooling pipe (6) is arranged in the cooling water tank (5), the inlet end and the outlet end of the cooling pipe (6) penetrate through the wall of the cooling water tank (5) and are positioned on the outer side of the cooling water tank (5), and the outlet end of the cooling pipe (6) is communicated with the inside of the cold air box (3) through a pipeline; the water outlet of the water cooler (4) is connected with the water inlet of the cooling water tank (5) through a water pipe, and the water outlet of the cooling water tank (5) is connected with the water return port of the water cooler (4) through a water pipe.
2. A wave furnace aftercooling device according to claim 1, characterized in that said cooling tube (6) is of a multiple S-shaped construction, said cooling tube (6) being made of copper or iron or aluminum.
3. The post-cooling device for the wave crest furnace as claimed in claim 1, wherein the outside of the cooling water tank (5) is wrapped with an insulating layer, and the insulating layer is made of insulating cotton.
4. A wave furnace post cooling device according to claim 1, characterized in that a thermometer for detecting the temperature of the cooling water in the cooling water tank (5) is arranged on the cooling water tank (5).
5. The post-cooling device for the wave crest furnace according to claim 4, wherein a placing rack (8) is arranged on the outer side wall of the cooling water tank (5), the thermometer is an electronic digital display thermometer, the thermometer comprises a display part (701), a connecting line (702) and a temperature probe (703), the display part (701) is connected with the temperature probe (703) through the connecting line (702), the display part (701) is arranged on the placing rack (8), and the temperature probe (703) is placed in cooling water in the cooling water tank (5).
6. The wave crest furnace rear cooling device according to any one of claims 1 to 5, characterized in that a plurality of openings are arranged on the bottom wall of the cold air box (3), the openings are uniformly arranged along the length direction of the bottom wall of the cold air box (3), and a heat dissipation fan (1) is arranged at each opening; a cold air outlet of the refrigerator (2) is connected with a main cold air pipe (9), the other end of the main cold air pipe (9) is arranged in a sealed manner, the main cold air pipe (9) is connected with a plurality of sub-cold air pipes (10) communicated with the interior of the main cold air pipe, one end of each sub-cold air pipe (10) is connected with the outer wall of the main cold air pipe (9), and the other end of each sub-cold air pipe is connected with and inserted into the cold air box (3); the number of the cold air distributing pipes (10) is the same as that of the heat dissipation fans (1), and one end of each cold air distributing pipe (10) in the cold air box (3) corresponds to one end of each cold air distributing pipe in the position right above each heat dissipation fan (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674899.XU CN211248677U (en) | 2019-10-09 | 2019-10-09 | Post-cooling device of wave crest furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674899.XU CN211248677U (en) | 2019-10-09 | 2019-10-09 | Post-cooling device of wave crest furnace |
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| Publication Number | Publication Date |
|---|---|
| CN211248677U true CN211248677U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921674899.XU Active CN211248677U (en) | 2019-10-09 | 2019-10-09 | Post-cooling device of wave crest furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116060727A (en) * | 2022-11-16 | 2023-05-05 | 辽宁思迈特电子科技有限公司 | Multidirectional welding circuit board cooling system |
-
2019
- 2019-10-09 CN CN201921674899.XU patent/CN211248677U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116060727A (en) * | 2022-11-16 | 2023-05-05 | 辽宁思迈特电子科技有限公司 | Multidirectional welding circuit board cooling system |
| CN116060727B (en) * | 2022-11-16 | 2023-07-18 | 辽宁思迈特电子科技有限公司 | Multidirectional welding circuit board cooling system |
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