CN205834426U - The oxygen control system of reflow soldering - Google Patents
The oxygen control system of reflow soldering Download PDFInfo
- Publication number
- CN205834426U CN205834426U CN201620695932.7U CN201620695932U CN205834426U CN 205834426 U CN205834426 U CN 205834426U CN 201620695932 U CN201620695932 U CN 201620695932U CN 205834426 U CN205834426 U CN 205834426U
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- China
- Prior art keywords
- reflow soldering
- oxygen
- control system
- nitrogen inlet
- nitrogen
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Abstract
The utility model discloses the oxygen control system of reflow soldering, including at least one oxygen sensor (2) being arranged in reflow soldering (1), at least one nitrogen inlet (3), the signal output part of described oxygen sensor (2) is connected with the signal input part of controller (6), described nitrogen inlet (3) is connected to source nitrogen (5) through pipeline, being provided with proportioning valve (4) between described nitrogen inlet (3) and described source nitrogen (5), described proportioning valve (4) electrically connects with described controller (6).The oxygen control system of the reflow soldering that this utility model provides, simple in construction, in can realizing reflow soldering, the accurate of oxygen controls, and improves the quality of Product jointing.
Description
Technical field
This utility model relates to solder reflow techniques field, particularly to the oxygen control system of a kind of reflow soldering.
Background technology
Reflow Soldering is an indispensable sport technique segment in sealing label field, surface, and the oxygen concentration in soldering furnace is printed circuit
One important parameter of plate welding, and this parameter is different because of product.Stablize and oxygen concentration controls accurately, on the one hand can carry
The quality of high product welding, on the other hand energy-conserving and environment-protective.Therefore, oxygen concentration be precisely controlled in real time into evaluate reflow soldering
The important indicator of performance.
Traditional oxygen concentration controls to use gas analyzer for O2 as carrying out oxygen concentration detecting element, is made by input nitrogen
For regulating the means of oxygen concentration, but owing to gas analyzer for O2 has natural feedback hysteresis quality, when it is as feedback element, oxygen
The real-time that gas concentration controls is had a greatly reduced quality.The sealing of reflow soldering, the control accuracy precision of oxygen concentration and real-time are returned
The difficult point that fluid welding stove oxygen concentration controls.This utility model is therefore.
Summary of the invention
In order to solve problem of the prior art, this utility model purpose is to provide the Oxygen control system of a kind of reflow soldering
System, it is possible to realize the oxygen in reflow soldering accurately controlling.
Based on the problems referred to above, the technical scheme that this utility model provides is:
The oxygen control system of reflow soldering, including at least one oxygen sensor being arranged in reflow soldering, at least
One nitrogen inlet, the signal output part of described oxygen sensor is connected with the signal input part of controller, described nitrogen inlet
It is connected to source nitrogen through pipeline, between described nitrogen inlet and described source nitrogen, is provided with proportioning valve, described proportioning valve and described control
Device processed electrically connects.
In one of which embodiment, being provided with multiple oxygen sensor in described reflow soldering, described four oxygen pass
Sensor is evenly arranged along described reflow soldering length direction.
In one of which embodiment, in described reflow soldering, it is provided with multiple nitrogen inlet, described four nitrogen inlet
It is evenly arranged along described reflow soldering length direction.
In one of which embodiment, each nitrogen inlet is connected to house steward through arm respectively, and described house steward is connected to
Described source nitrogen, described arm is provided with proportioning valve.
In one of which embodiment, described oxygen sensor is arranged on the top of described reflow soldering, described nitrogen
Import is arranged on the bottom of described reflow soldering.
In one of which embodiment, also include the user interface being electrically connected to described controller.
Compared with prior art, the utility model has the advantages that:
Use the technical solution of the utility model, can realize, to the accurate control of oxygen in reflow soldering, improving product weldering
The quality connect.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, required in embodiment being described below
The accompanying drawing used is briefly described, and the accompanying drawing in describing below is only embodiments more of the present utility model, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is the structural representation of the oxygen control system embodiment of this utility model reflow soldering；
Wherein:
1, reflow soldering；
2, oxygen sensor；
3, nitrogen inlet；
4, proportioning valve；
5, source nitrogen；
6, controller；
7, user interface；
8, arm；
9, house steward.
Detailed description of the invention
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are for illustrating
This utility model and be not limited to limit scope of the present utility model.The implementation condition used in embodiment can be according to concrete producer
Condition do further adjustment, not marked implementation condition is usually the condition in normal experiment.
See Fig. 1, for the structural representation of this utility model embodiment, it is provided that the Oxygen control system of a kind of reflow soldering
System, including at least one oxygen sensor 2 being arranged in reflow soldering 1, at least one nitrogen inlet 3, in this example, in backflow
Being provided with four oxygen sensors 2 in brazier 1, these four nitrogen sensors 2 are evenly arranged along reflow soldering 1 length direction, are returning
Being provided with four nitrogen inlet 3 in fluid welding stove 1, these four nitrogen inlet 3 are evenly arranged along reflow soldering 1 length direction, and oxygen
Gas sensor 2 is arranged on the top of reflow soldering 1, and nitrogen inlet 3 is arranged on the bottom of reflow soldering, wherein nitrogen sensor 2
Signal output part be connected with the signal input part of controller 6, each nitrogen inlet 3 is connected to house steward 9 through arm 8 respectively, always
Pipe 9 is connected to source nitrogen 5, is respectively equipped with proportioning valve 4 on each arm 8, and proportioning valve 4 electrically connects with controller 6.
It should be understood that oxygen sensor 2, the number of nitrogen inlet 3 can be arranged according to actual needs in reflow soldering 1, this
Utility model does not limits herein.
In this example, also include that the user interface 7 electrically connected with controller 6 is to realize man-machine interaction.
During work, oxygen sensor 2 monitors the oxygen concentration feedback of status in reflow soldering 1 to controller 6, controller
6 by contrast and calculate output controlled quentity controlled variable to proportioning valve 4, and what proportioning valve 4 was scaled nitrogen adds inbound traffics.User is changing
Having only to during product arrange new oxygen content parameter on user interface 7, new oxygen content will automatically set
On controller 6.
Examples detailed above only for technology of the present utility model design and feature are described, its object is to allow and is familiar with technique
Personnel will appreciate that content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All
The equivalent transformation done according to this utility model spirit or modification, all should contain protection domain of the present utility model it
In.
Claims (6)
1. the oxygen control system of reflow soldering, it is characterised in that: include at least one oxygen being arranged in reflow soldering (1)
The signal of sensor (2), at least one nitrogen inlet (3), the signal output part of described oxygen sensor (2) and controller (6)
Input connects, and described nitrogen inlet (3) is connected to source nitrogen (5), described nitrogen inlet (3) and described source nitrogen through pipeline
(5) being provided with proportioning valve (4) between, described proportioning valve (4) electrically connects with described controller (6).
The oxygen control system of reflow soldering the most according to claim 1, it is characterised in that: in described reflow soldering (1)
Being provided with multiple oxygen sensor (2), the plurality of oxygen sensor (2) is evenly arranged along described reflow soldering (1) length direction.
The oxygen control system of reflow soldering the most according to claim 1, it is characterised in that: in described reflow soldering (1)
Being provided with multiple nitrogen inlet (3), the plurality of nitrogen inlet (3) is evenly arranged along described reflow soldering (1) length direction.
The oxygen control system of reflow soldering the most according to claim 3, it is characterised in that: each nitrogen inlet (3) point
Not being connected to house steward (9) through arm (8), described house steward (9) is connected to described source nitrogen (5), and described arm (8) is provided with ratio
Valve (4).
5. according to the oxygen control system of the reflow soldering described in any one of Claims 1-4, it is characterised in that: described oxygen
Sensor (2) is arranged on the top of described reflow soldering (1), and described nitrogen inlet (3) is arranged under described reflow soldering (1)
Portion.
The oxygen control system of reflow soldering the most according to claim 5, it is characterised in that: also include being electrically connected to described
The user interface (7) of controller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695932.7U CN205834426U (en) | 2016-07-05 | 2016-07-05 | The oxygen control system of reflow soldering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695932.7U CN205834426U (en) | 2016-07-05 | 2016-07-05 | The oxygen control system of reflow soldering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205834426U true CN205834426U (en) | 2016-12-28 |
Family
ID=58150760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620695932.7U Expired - Fee Related CN205834426U (en) | 2016-07-05 | 2016-07-05 | The oxygen control system of reflow soldering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205834426U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970187A (en) * | 2017-06-01 | 2017-07-21 | 上海昶艾电子科技有限公司 | The oxygen concentration detecting system and control method of wave-soldering/reflow soldering |
| CN110874106A (en) * | 2018-08-31 | 2020-03-10 | 伊利诺斯工具制品有限公司 | Gas control system and method for reflow oven |
| CN112379700A (en) * | 2020-09-25 | 2021-02-19 | 苏州浪潮智能科技有限公司 | Reflow soldering nitrogen flow control method, device and storage medium |
| WO2023219906A1 (en) * | 2022-05-09 | 2023-11-16 | Illinois Tool Works Inc. | Oxygen detection system and reflow furnace using the same |
-
2016
- 2016-07-05 CN CN201620695932.7U patent/CN205834426U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970187A (en) * | 2017-06-01 | 2017-07-21 | 上海昶艾电子科技有限公司 | The oxygen concentration detecting system and control method of wave-soldering/reflow soldering |
| CN110874106A (en) * | 2018-08-31 | 2020-03-10 | 伊利诺斯工具制品有限公司 | Gas control system and method for reflow oven |
| CN110874106B (en) * | 2018-08-31 | 2022-09-02 | 伊利诺斯工具制品有限公司 | Gas control system and method for reflow oven |
| CN112379700A (en) * | 2020-09-25 | 2021-02-19 | 苏州浪潮智能科技有限公司 | Reflow soldering nitrogen flow control method, device and storage medium |
| WO2023219906A1 (en) * | 2022-05-09 | 2023-11-16 | Illinois Tool Works Inc. | Oxygen detection system and reflow furnace using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20180705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |