CN207358332U - A kind of reflux gas control device - Google Patents
A kind of reflux gas control device Download PDFInfo
- Publication number
- CN207358332U CN207358332U CN201721431114.7U CN201721431114U CN207358332U CN 207358332 U CN207358332 U CN 207358332U CN 201721431114 U CN201721431114 U CN 201721431114U CN 207358332 U CN207358332 U CN 207358332U
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- Prior art keywords
- control device
- wind turbine
- heating tube
- hot
- heat sink
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Abstract
The utility model discloses a kind of reflux gas control device, it is characterised in that first hot-flow flue and the second hot-flow flue are arranged oppositely；First wind turbine is arranged at the outlet of the first hot-flow flue, and second wind turbine is arranged at the outlet of the second hot-flow flue；First heat sink is arranged on face of first wind turbine away from the first hot-flow flue, and heat radiating fin the first wind turbine of direction of the first heat sink；First heating tube runs through the first heat sink, and the first temperature sensor is arranged on the first heat sink, and the first control device is arranged on the first wind turbine；First wind turbine and the first heating tube and the first temperature sensor are electrically connected to first control device.A kind of reflux gas control device of the utility model, quickly can limit the temperature at pcb board, be not in delay when controlling temperature, improve the yields of Reflow Soldering.
Description
Technical field
It the utility model is related to PCB technical fields, and in particular to a kind of reflux gas control device.
Background technology
Solder reflow techniques are not strange in electronic manufacturing field, and the element on various boards that we use in computer is all
It is welded to by this technique on wiring board, there is a heater circuit in the inside of this equipment, and air or nitrogen are heated to
Sufficiently high temperature after-blow allows the solder of elements on either side to be bonded after melting with mainboard to the wiring board for having posted element.It is this
The advantage of technique is that temperature is easily controllable, and oxidation is also avoided that in welding process, and manufacture cost is also easier to control.Due to electronics
, there is chip component in the needs that product pcb board is increasingly miniaturized, and traditional welding method cannot be met the needs of.At first, only
Reflow soldering process is employed in hybrid circuit board assembling, the element of assembly welding is most for flaky electric capacity, pellet inductor,
Mount transistor npn npn and diode etc..As the whole technology development of SMT is gradually improved, a variety of surface mount elements (SMC) and mounter
The appearance of part (SMD), reflow soldering process technology and equipment as a mounting technology part are also developed accordingly, it is applied
Increasingly extensively, almost all it has been applied in all electronics fields.
But in the temperature control technology of existing two-sided Reflow Soldering, the change of temperature can only be by long-range to hot blast pipe
Temperature is controlled, so as to cause temperature controlled delay, causes the reduction of Reflow Soldering yields.
Utility model content
Technical problem to be solved in the utility model is in the temperature control technology of existing two-sided Reflow Soldering, temperature
Change can only be controlled by the temperature long-range to hot blast pipe, so as to cause temperature controlled delay, cause Reflow Soldering non-defective unit
Rate is reduced, and it is an object of the present invention to provide a kind of reflux gas control device, solves the above problems.
The utility model is achieved through the following technical solutions：
A kind of reflux gas control device, it is characterised in that including：First hot-flow flue, the first wind turbine, the first heat sink,
First heating tube, the first temperature sensor, first control device, the second hot-flow flue, the second wind turbine, the second heat sink, second add
Heat pipe, second temperature sensor and second control device；First hot-flow flue and the second hot-flow flue are arranged oppositely；Described first
Wind turbine is arranged at the outlet of the first hot-flow flue, and second wind turbine is arranged at the outlet of the second hot-flow flue；First heat sink
It is arranged on face of first wind turbine away from the first hot-flow flue, and heat radiating fin the first wind turbine of direction of the first heat sink；Described first
Heating tube runs through the first heat sink, and the first temperature sensor is arranged on the first heat sink, and the first control device is set
In on the first wind turbine；First wind turbine and the first heating tube and the first temperature sensor are electrically connected to first control device；Institute
The second heat sink is stated to be arranged on face of second wind turbine away from the second hot-flow flue, and heat radiating fin the second wind of direction of the second heat sink
Machine；Second heating tube runs through the second heat sink, and second temperature sensor is arranged on the second heat sink, second control
Device processed is arranged on the second wind turbine；Second wind turbine and the second heating tube and second temperature sensor are electrically connected to the second control
Device processed.
In the prior art, in the temperature control technology of existing two-sided Reflow Soldering, the change of temperature can only be by hot wind
Manage long-range temperature to be controlled, so as to cause temperature controlled delay, cause the reduction of Reflow Soldering yields.The utility model should
The hot wind of used time, the first hot-flow flue and the blowout of the second hot-flow flue is heated through the first heating tube and the second heating tube, then by the
One heat sink and the second heat sink are spread on pcb board, when temperature is excessive, reduce the temperature of the first heating tube and the second heating tube
Degree, and the wind-force of big wind turbine is opened, so as to quickly limit the temperature at pcb board, will not go out when controlling temperature
Now postpone, improve the yields of Reflow Soldering.
Further, first temperature sensor sends the first temperature signal of detection to first control device；Institute
First control device is stated to increase the wind-force of the first wind turbine when the first temperature signal exceedes threshold value and reduce the electricity of the first heating tube
Pressure, the first control device increase the voltage of the first heating tube when the first temperature signal is less than threshold value.
Further, the second temperature sensor sends the second temperature signal of detection to second control device；Institute
Second control device is stated to increase the wind-force of the second wind turbine when second temperature signal exceedes threshold value and reduce the electricity of the second heating tube
Pressure, the second control device increase the voltage of the second heating tube when second temperature signal is less than threshold value.
Further, first heating tube uses resistance heating wire.
Further, second heating tube uses resistance heating wire.
The utility model compared with prior art, has the following advantages and advantages：
A kind of reflux gas control device of the utility model, quickly can limit the temperature at pcb board, control
Be not in delay during temperature, improve the yields of Reflow Soldering.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Mark and corresponding parts title in attached drawing：
The first hot-flow flues of 1-, the first wind turbines of 2-, the first heat sinks of 3-, the first heating tubes of 4-, the first temperature sensors of 5-, 6-
First control device, the second hot-flow flues of 7-, the second wind turbines of 8-, the second heat sinks of 9-, the second heating tubes of 10-, 11- second temperatures pass
Sensor, 12- second control devices, 13-PCB plates.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, a kind of reflux gas control device of the utility model, including：First hot-flow flue 1, the first wind turbine 2,
First heat sink 3, the first heating tube 4, the first temperature sensor 5, first control device 6, the second hot-flow flue 7, the second wind turbine 8,
Second heat sink 9, the second heating tube 10, second temperature sensor 11 and second control device 12；First hot-flow flue 1 and
Two hot-flow flues 7 are arranged oppositely；First wind turbine 2 is arranged at the outlet of the first hot-flow flue 1, and second wind turbine 8 is arranged at
The outlet of two hot-flow flues 7；First heat sink 3 is arranged on face of first wind turbine 2 away from the first hot-flow flue 1, and first dissipates
Heat radiating fin the first wind turbine 2 of direction of backing 3；First heating tube 4 runs through the first heat sink 3, and the first temperature sensor 5 is set
It is placed on the first heat sink 3, the first control device 6 is arranged on the first wind turbine 2；First wind turbine 2 and first heats
4 and first temperature sensor 5 of pipe is electrically connected to first control device 6；It is remote that second heat sink 9 is arranged at the second wind turbine 8
On the face of second hot-flow flue 7, and heat radiating fin the second wind turbine 8 of direction of the second heat sink 9；Second heating tube 10 runs through second
Heat sink 9, and second temperature sensor 11 is arranged on the second heat sink 9, the second control device 12 is arranged at the second wind
On machine 8；Second wind turbine, 8 and second heating tube 10 and second temperature sensor 11 are electrically connected to second control device 12.Institute
The first temperature sensor 5 is stated to send the first temperature signal of detection to first control device 6；The first control device 6 exists
First temperature signal increases the wind-force of the first wind turbine 2 and reduces the voltage of the first heating tube 4 when exceeding threshold value, first control
Device 6 increases the voltage of the first heating tube 4 when the first temperature signal is less than threshold value.The second temperature sensor 11 will detect
Second temperature signal send to second control device 12；The second control device 12 is when second temperature signal exceedes threshold value
Increase the wind-force of the second wind turbine 8 and reduce the voltage of the second heating tube 10, the second control device 12 is in second temperature signal
The voltage of the second heating tube 10 is increased during less than threshold value.First heating tube 4 uses resistance heating wire.Second heating tube
10 use resistance heating wire.
When the present embodiment is implemented, the hot wind of the first hot-flow flue 1 and the blowout of the second hot-flow flue 7 is through the first heating tube 4 and second
Heating tube 10 heats, and is then spread to by the first heat sink 3 and the second heat sink 9 on pcb board 13, when temperature is excessive, drop
The temperature of low first heating tube, 4 and second heating tube 10, and the wind-force of big wind turbine is opened, so as to quickly to pcb board 13
The temperature at place is limited, and is not in delay when controlling temperature, is improved the yields of Reflow Soldering.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (5)
- A kind of 1. reflux gas control device, it is characterised in that including：First hot-flow flue (1), the first wind turbine (2), the first heat dissipation Piece (3), the first heating tube (4), the first temperature sensor (5), first control device (6), the second hot-flow flue (7), the second wind turbine (8), the second heat sink (9), the second heating tube (10), second temperature sensor (11) and second control device (12)；Described One hot-flow flue (1) and the second hot-flow flue (7) are arranged oppositely；First wind turbine (2) is arranged at the outlet of the first hot-flow flue (1), Second wind turbine (8) is arranged at the outlet of the second hot-flow flue (7)；It is remote that first heat sink (3) is arranged at the first wind turbine (2) On face from the first hot-flow flue (1), and heat radiating fin the first wind turbine of direction (2) of the first heat sink (3)；First heating tube (4) the first heat sink (3) is run through, and the first temperature sensor (5) is arranged on the first heat sink (3), the first control dress (6) are put to be arranged on the first wind turbine (2)；First wind turbine (2) and the first heating tube (4) and the first temperature sensor (5) electricity It is connected to first control device (6)；Second heat sink (9) is arranged at face of the second wind turbine (8) away from the second hot-flow flue (7) On, and heat radiating fin the second wind turbine of direction (8) of the second heat sink (9)；Second heating tube (10) runs through the second heat sink (9), and second temperature sensor (11) is arranged on the second heat sink (9), and the second control device (12) is arranged at second On wind turbine (8)；Second wind turbine (8) and the second heating tube (10) and second temperature sensor (11) are electrically connected to the second control Device (12).
- A kind of 2. reflux gas control device according to claim 1, it is characterised in that first temperature sensor (5) the first temperature signal of detection is sent to first control device (6)；The first control device (6) is believed in the first temperature The wind-force of the first wind turbine (2) is increased when number exceeding threshold value and reduces the voltage of the first heating tube (4), the first control device (6) voltage of the first heating tube (4) is increased when the first temperature signal is less than threshold value.
- A kind of 3. reflux gas control device according to claim 1, it is characterised in that the second temperature sensor (11) the second temperature signal of detection is sent to second control device (12)；The second control device (12) is in second temperature Signal increases the wind-force of the second wind turbine (8) and reduces the voltage of the second heating tube (10) when exceeding threshold value, the second control dress Put the voltage that (12) increase the second heating tube (10) when second temperature signal is less than threshold value.
- 4. a kind of reflux gas control device according to claim 1, it is characterised in that first heating tube (4) is adopted Use resistance heating wire.
- 5. a kind of reflux gas control device according to claim 1, it is characterised in that second heating tube (10) is adopted Use resistance heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431114.7U CN207358332U (en) | 2017-10-31 | 2017-10-31 | A kind of reflux gas control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431114.7U CN207358332U (en) | 2017-10-31 | 2017-10-31 | A kind of reflux gas control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207358332U true CN207358332U (en) | 2018-05-15 |
Family
ID=62344738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721431114.7U Expired - Fee Related CN207358332U (en) | 2017-10-31 | 2017-10-31 | A kind of reflux gas control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207358332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672878A (en) * | 2018-06-04 | 2018-10-19 | 武汉倍普科技有限公司 | A kind of reflow oven gas management system and method |
-
2017
- 2017-10-31 CN CN201721431114.7U patent/CN207358332U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672878A (en) * | 2018-06-04 | 2018-10-19 | 武汉倍普科技有限公司 | A kind of reflow oven gas management system and method |
| CN108672878B (en) * | 2018-06-04 | 2020-07-14 | 武汉倍普科技有限公司 | Gas control system of reflow oven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20181031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |