CN103084689A - Sensor wire welding process in refrigerator foaming solidification status - Google Patents
Sensor wire welding process in refrigerator foaming solidification status Download PDFInfo
- Publication number
- CN103084689A CN103084689A CN 201310023962 CN201310023962A CN103084689A CN 103084689 A CN103084689 A CN 103084689A CN 201310023962 CN201310023962 CN 201310023962 CN 201310023962 A CN201310023962 A CN 201310023962A CN 103084689 A CN103084689 A CN 103084689A
- Authority
- CN
- China
- Prior art keywords
- wicking
- copper wire
- sensor
- sensor line
- refrigerator
- 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
Images
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses a sensor wire welding process in a refrigerator foaming solidification status. The sensor wire welding process in the refrigerator foaming solidification status is characterized by comprising the following steps: preprocessing, wicking in batch: trimming wicking points, pruning wicking copper wire length to 5+\-1mm, and keeping ports parral and level, soaking sensor wire end copper wires into unleaded soldering liquid: each time 50 ports and 3 seconds for wicking time, welding and assembling: sleeving heat shrink tubes on sensor wire wicking ends, placing two ends if wicking copper wires in a parallel and staggered mode, heating and welding by using an electric iron, and removing the heat shrink tubes to welded points, buckling welded parts and tying up the welded parts by using tapes when the heat shrink tubes are contracted. The problem of connecting reliability of a sensor and refrigerator lines is solved, thus stabilizing wiring product quality in the refrigerator foaming solidification status, guaranteeing product first-passyield of household appliances, and improving customer satisfaction degree.
Description
Technical field
The present invention relates to the sensor line welding procedure under a kind of refrigerator foaming solid state, belong to household electrical appliances manufacturing technology field.
Background technology
Refrigerator industry generally uses sensor as the components and parts of experiencing privileged site temperature in cabinet, and converts the signal of telecommunication to by control system and control complete machine mode operation in accordance with regulations.The refrigerator sensor is as the key components that uses in refrigerator bundle assembly product, and its performance directly affects the quality of refrigerator complete machine.Realize the different sensors of refrigerator cold-storage, freezing function, need to connect with the interlock circuit of refrigerator complete machine.In present domestic refrigerator household electrical appliances manufacturing enterprise, sensor is main to be connected by the mode of welding with circuit assembly product.The welding procedure of sensor is controlled as critical process in wire harness manufacturing enterprise, to a great extent because of in the foaming process of sensor solder joint after the refrigerator wiring, and easy stressed disconnection.Refrigerator body after foaming, as the disconnection of sensor solder joint appears, only has whole casing scrapped.According to incompletely statistics, every year, ratio average out to 200PPM scrapped because the sensor solder joint disconnects the refrigerator body that causes in refrigerator manufacturing enterprise.
Foam process impact because of refrigerator is routed in the sensor lead under foamed state, and requirement can be born certain pulling force, and this proposes very high requirement to the solder joint technique between sensor lead and circuit connection.For satisfying this requirement, the sensor solder joint preferably reaches following index: 1, the reliability of welding: the solder joint between UL24#-28# (1007/1015 series) line sockets power＞40N; 2, welding efficiency: 5400 solder joints/hour; 3, failure welding rate: below 100PPM.At present, domestic refrigerator manufacturing enterprise all improves problem research with this type of solder joint problem as important quality.Solve the problem of sensor and refrigerator circuit assembly connection reliability, extremely urgent.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention is, sensor line under a kind of refrigerator foaming solid state welding procedure is provided, solve the problem of sensor and refrigerator circuit assembly connection reliability, to stablize the bunch product quality under the refrigerator foaming solid state, guarantee the product first-time qualification rate of household electrical appliances complete machine, improve customer satisfaction.
For solveing the technical problem, the present invention adopts following technical scheme: the sensor line welding procedure under a kind of refrigerator foaming solid state, and it comprises following content:
A, pretreatment: leadless soldering tin paste and scaling powder are put into the fusing of tin stove, be heated to 275-300 ℃ and be incubated standby; With sensor line two ends stripping rubber, exposed copper wire 8-12mm respectively; Line end copper wire is stranded, stranded rear copper wire length 5-10mm;
B, batch wicking: the wicking point is repaired, pruned wicking copper wire length to 5 ± 1mm, and make port concordant; Then sensor line end copper wire is immersed in the Pb-free solder liquid of tin stove each 50 joints, 3 seconds of wicking time;
C, assemble welding: put heat-shrink tube at sensor line wicking end, will need rapidly parallel being staggeredly placed of copper wire of the two ends wicking that welds, connect with the electric iron heating welding, then with the heat-shrink tube dislocation in solder joint; After heat-shrink tube shrinks, the bent jointing place, and tie up with adhesive tape.
Above-mentioned sensor line welding procedure, in the described Pb-free solder liquid with sensor line end copper wire immersion tin stove of its step B, its immersion method is: at first line end copper wire is at the uniform velocity immersed 2-3mm in tin soldering liquid, 1.5 seconds used times; Then at the uniform velocity immerse all the other copper wires, 0.5 second used time; Again line end copper wire is at the uniform velocity extracted 1 second used time in tin soldering liquid.
Above-mentioned sensor line welding procedure, in the described Pb-free solder liquid with sensor line end copper wire immersion tin stove of its step B, at first it at the uniform velocity immersing 3mm in tin soldering liquid with line end copper wire, 1.5 seconds used times.
Welding procedure of the present invention without noxious gas emission, is particularly used pb-free solder, non-environmental-pollution in the production application process; Can promote simultaneously the solder technology level of wire harness industry sensor solder joint, the solder joint mechanical strength can reach solder joint and socket power＞40N, can greatly reduce the scrappage of refrigerator complete machine, reduce the waste of resource, stablize the wire harness product quality, guarantee the product first-time qualification rate of household electrical appliances complete machine, improve customer satisfaction.This welding procedure also may be used on all can producing very high economic benefit in the welding products such as air conditioning sensor, intelligent circuit board sensor, water heater sensor.Can promote white domestic appliances enterprise product quality, particularly reduce the product fraction defective of refrigerator complete system plant, the former same industry can be reduced to 0.01% because of the refrigerator complete machine scrappage that refrigerator sensor solder joint problem causes by 0.2%, bring considerable benefit to enterprise.In producing as the welding that this solder technology is generalized to other household electrical appliances bundle assembly products, will the quality-improving of whole wire harness industry be played a role in promoting.
Description of drawings
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Fig. 1 is the process flow diagram of the embodiment of the present invention;
Fig. 2 is the copper wire wicking height-time chart of the embodiment of the present invention 1; Wherein, H is the wicking height, and unit is mm; T is the wicking time, and unit is s; A is copper wire wicking starting point; B is copper wire wicking deepest point; C is that wicking is completed a little.
The specific embodiment
Embodiment 1
As shown in Figure 1, the sensor line welding procedure under this refrigerator foaming solid state, it comprises following content:
At first pretreatment: leadless soldering tin paste and scaling powder are put into the fusing of tin stove, be heated to 275-300 ℃ and be incubated standby; With sensor line two ends stripping rubber, exposed copper wire 10mm respectively; Line end copper wire is stranded, stranded rear copper wire length 8mm.
Then wicking in batches: the wicking point is repaired, otherwise easily jagged, first prune wicking copper wire length to 5mm, and make port concordant.Then sensor line end copper wire is immersed in the Pb-free solder liquid of tin stove, each 50,3 seconds of wicking time; As shown in Figure 2, at first line end copper wire is at the uniform velocity immersed 3mm in tin soldering liquid, 1.5 seconds used times, more at the uniform velocity immerse all the other copper wires, 0.5 second used time; Again line end copper wire is at the uniform velocity extracted 1 second used time in tin soldering liquid.
Last assemble welding: put heat-shrink tube at sensor line wicking end, with parallel being staggeredly placed of two ends wicking copper wire, connect with the electric iron heating welding rapidly, electric iron power can be selected by the specification of sealing wire; Then with the heat-shrink tube dislocation in solder joint; After heat-shrink tube shrinks, the bent jointing place, and tie up with adhesive tape.
Embodiment 2
As shown in Figure 1, the sensor line welding procedure under this refrigerator foaming solid state, it comprises following content:
At first pretreatment: leadless soldering tin paste and scaling powder are put into the fusing of tin stove, be heated to 275-300 ℃ and be incubated standby; With sensor line two ends stripping rubber, exposed copper wire 8mm respectively; Line end copper wire is stranded, stranded rear copper wire length 5mm;
Next is wicking in batches: the wicking point is repaired, otherwise easily jagged, prune wicking copper wire length to 4mm, and make port concordant.Then sensor line end copper wire is immersed in the Pb-free solder liquid of tin stove, each 50,3 seconds of wicking time; At first line end copper wire is at the uniform velocity immersed 2mm in tin soldering liquid, 1.5 seconds used times, more at the uniform velocity immerse all the other copper wires, 0.5 second used time; Again line end copper wire is at the uniform velocity extracted 1 second used time in tin soldering liquid.
Then the assembling: put heat-shrink tube at sensor line wicking end, with parallel being staggeredly placed of two ends wicking copper wire, connect with the electric iron heating welding rapidly, then with the heat-shrink tube dislocation in solder joint; After heat-shrink tube shrinks, the bent jointing place, and tie up with adhesive tape.
Embodiment 3
As shown in Figure 1, the sensor line welding procedure under this refrigerator foaming solid state, it comprises following content;
At first pretreatment: leadless soldering tin paste and scaling powder are put into the fusing of tin stove, be heated to 275-300 ℃ and be incubated standby; With sensor line two ends stripping rubber, exposed copper wire 12mm respectively; Line end copper wire is stranded, stranded rear copper wire length 10mm;
Next is wicking in batches: the wicking point is repaired, otherwise easily jagged, prune wicking copper wire length to 6mm, and make port concordant.Then sensor line end copper wire is immersed in the Pb-free solder liquid of tin stove, each 50,3 seconds of wicking time; At first line end copper wire is at the uniform velocity immersed 3mm in tin soldering liquid, 1.5 seconds used times, more at the uniform velocity immerse all the other copper wires, 0.5 second used time; Again line end copper wire is at the uniform velocity extracted 1 second used time in tin soldering liquid.
Then the assembling: put heat-shrink tube at sensor line wicking end, with parallel being staggeredly placed of two ends wicking copper wire, connect with the electric iron heating welding rapidly, then with the heat-shrink tube dislocation in solder joint; After heat-shrink tube shrinks, the bent jointing place, and tie up with adhesive tape.
Welding procedure of the present invention without noxious gas emission, is particularly used pb-free solder, non-environmental-pollution in the production application process; Promote simultaneously the solder technology level of wire harness industry sensor solder joint, the solder joint mechanical strength can reach solder joint and socket power＞40N, can greatly reduce the scrappage of refrigerator complete machine, reduce the waste of resource and stablize the wire harness product quality, guarantee the product first-time qualification rate of household electrical appliances complete machine, improve customer satisfaction.This welding procedure also may be used on all can producing very high economic benefit in the welding products such as air conditioning sensor, intelligent circuit board sensor, water heater sensor.Can promote white domestic appliances enterprise product quality, particularly reduce the product fraction defective of refrigerator complete system plant, the former same industry can be reduced to 0.01% because of the refrigerator complete machine scrappage that refrigerator sensor solder joint problem causes by 0.2%, bring considerable benefit to enterprise.The inventor makes great efforts to improve aspect solder technology as the wire harness supplier of company of Haier refrigerator product maximum always, and sets up specially seminar's research of setting up the project.Solder technology of the present invention is applied in actual production, estimates every year and can reduce the loss in the refrigerator bunch product ten thousand yuan of 25-30, and reducing the refrigerator complete machine, to scrap damnous number huge especially, has significant economic and social benefit.
Claims (3)
1. the sensor line welding procedure under a refrigerator foaming solid state, it is characterized in that: it comprises following content:
A, pretreatment: leadless soldering tin paste and scaling powder are put into the fusing of tin stove, be heated to 275-300 ℃ and be incubated standby; With sensor line two ends stripping rubber, exposed copper wire 8-12mm respectively; Line end copper wire is stranded, stranded rear copper wire length 5-10mm;
B, batch wicking: the wicking point is repaired, pruned wicking copper wire length to 5 ± 1mm, and make port concordant; Then sensor line end copper wire is immersed in the Pb-free solder liquid of tin stove each 50 joints, 3 seconds of wicking time;
C, assemble welding: put heat-shrink tube at sensor line wicking end, will need rapidly parallel being staggeredly placed of copper wire of the two ends wicking that welds, connect with the electric iron heating welding, then with the heat-shrink tube dislocation in solder joint; After heat-shrink tube shrinks, the bent jointing place, and tie up with adhesive tape.
2. sensor line welding procedure according to claim 1, it is characterized in that: in the described Pb-free solder liquid with sensor line end copper wire immersion tin stove of its step B, its immersion method is: at first line end copper wire is at the uniform velocity immersed 2-3mm in tin soldering liquid, 1.5 seconds used times; Then at the uniform velocity immerse all the other copper wires, 0.5 second used time; Again line end copper wire is at the uniform velocity extracted 1 second used time in tin soldering liquid.
3. sensor line welding procedure according to claim 2 is characterized in that: its step B is described to be immersed sensor line end copper wire in the Pb-free solder liquid of tin stove, and at first it at the uniform velocity immersing 3mm in tin soldering liquid with line end copper wire, 1.5 seconds used times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310023962 CN103084689A (en) | 2013-01-02 | 2013-01-02 | Sensor wire welding process in refrigerator foaming solidification status |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310023962 CN103084689A (en) | 2013-01-02 | 2013-01-02 | Sensor wire welding process in refrigerator foaming solidification status |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103084689A true CN103084689A (en) | 2013-05-08 |
Family
ID=48198092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310023962 Pending CN103084689A (en) | 2013-01-02 | 2013-01-02 | Sensor wire welding process in refrigerator foaming solidification status |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103084689A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436642A (en) * | 2014-08-21 | 2016-03-30 | 刘浩荫 | Manufacturing method for temperature sensor and temperature sensor thereof |
| CN106077880A (en) * | 2016-07-12 | 2016-11-09 | 南京时恒电子科技有限公司 | Soldering wires winding displacement frock and winding displacement technique |
-
2013
- 2013-01-02 CN CN 201310023962 patent/CN103084689A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436642A (en) * | 2014-08-21 | 2016-03-30 | 刘浩荫 | Manufacturing method for temperature sensor and temperature sensor thereof |
| CN105436642B (en) * | 2014-08-21 | 2018-03-20 | 冯必骏 | The manufacture method and its temperature inductor of a kind of temperature inductor |
| CN106077880A (en) * | 2016-07-12 | 2016-11-09 | 南京时恒电子科技有限公司 | Soldering wires winding displacement frock and winding displacement technique |
| CN106077880B (en) * | 2016-07-12 | 2019-06-25 | 南京时恒电子科技有限公司 | Soldering wires winding displacement tooling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105336538A (en) | Waterproof temperature controller terminal pin and wire connecting method | |
| CN101640358B (en) | Coaxial cable jumper and welding manufacturing method thereof | |
| CN103084689A (en) | Sensor wire welding process in refrigerator foaming solidification status | |
| CN103516146A (en) | Technology for motor lead wires to be connected into stator coil | |
| CN104600534A (en) | High frequency induction welding connecting method for compound configuration high-frequency data wire | |
| CN204045861U (en) | Attaching plug | |
| CN205752076U (en) | A kind of fuse of direct conduction | |
| CN203589233U (en) | Connecting device of copper and aluminum conductive materials | |
| CN114784525A (en) | Photovoltaic system connecting module applying machining process of copper-aluminum conversion connecting piece | |
| CN107359437B (en) | Clip type wire connector | |
| CN103157905B (en) | Motor for cell phone end-cap assembly conducting terminal copper sheet and brush pin laser welding process | |
| CN105324889B (en) | Crimping connection | |
| CN110098496B (en) | Binding post with guiding function | |
| CN203519050U (en) | Water temperature and water level sensor | |
| CN202889119U (en) | A connecting structure of a motor heat protector | |
| CN202004305U (en) | Automobile wire harness common joint connecting device | |
| CN203055959U (en) | Welding-free bending type bus bar | |
| CN204991974U (en) | H type crimping fastener | |
| CN202840842U (en) | Minitype direct current motor | |
| CN201138600Y (en) | Secondary coil winding apparatus of electrical resistance welding transformer | |
| CN204289984U (en) | A kind of durable type Water cooling cable | |
| CN216056550U (en) | Use flat copper wire's aeroengine stator tip connection structure | |
| CN219998503U (en) | Copper-aluminum mutual pressure temperature compensation electric connector | |
| CN210867392U (en) | Wiring device for tin pouring of three-phase asynchronous motor | |
| CN203205182U (en) | Alternating-current and direct-current conversion electromagnet coil connection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130508 |