CN104562004A - Aluminum-alloy temperature sensing pipe for various types of temperature controllers and preparation method thereof - Google Patents
Aluminum-alloy temperature sensing pipe for various types of temperature controllers and preparation method thereof Download PDFInfo
- Publication number
- CN104562004A CN104562004A CN201510042182.3A CN201510042182A CN104562004A CN 104562004 A CN104562004 A CN 104562004A CN 201510042182 A CN201510042182 A CN 201510042182A CN 104562004 A CN104562004 A CN 104562004A
- Authority
- CN
- China
- Prior art keywords
- pipe
- zinc
- alloy
- aluminium
- plated
- 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.)
- Granted
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 109
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 41
- 229910052802 copper Inorganic materials 0.000 claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 38
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 34
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000011701 zinc Substances 0.000 claims abstract description 33
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 33
- 238000007747 plating Methods 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims description 10
- 230000009849 deactivation Effects 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 10
- 238000005554 pickling Methods 0.000 claims description 10
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 235000021110 pickles Nutrition 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 235000011149 sulphuric acid Nutrition 0.000 claims description 5
- 238000005237 degreasing agent Methods 0.000 claims description 4
- 239000013527 degreasing agent Substances 0.000 claims description 4
- 238000005246 galvanizing Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 239000010953 base metal Substances 0.000 claims description 3
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 238000005238 degreasing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 11
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 229910001369 Brass Inorganic materials 0.000 description 4
- 239000010951 brass Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 description 2
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention relates to an aluminum-alloy temperature sensing pipe for various types of temperature controllers and a preparation method thereof. According to the preparation method, copper is displaced by aluminum alloy. The preparation method comprises the following steps: firstly, removing oil from an aluminum-alloy pipe, and cleaning the surface of the aluminum-alloy pipe; then plating the aluminum-alloy pipe with zinc, and plating with copper; and finally cleaning the aluminum-alloy pipe for the second time, and plating the aluminum-alloy pipe with tin. The zinc layer has a thickness of 20mu m, the copper layer has a thickness of 20mu m, and the tin layer has a thickness of 15mu m. The purpose of plating the aluminum-alloy pipe with zinc is to plate with copper, the purpose of plating with copper is to plate with tin, and the purpose of plating with tin is to weld the aluminum-alloy pipe onto a base to prevent the leakage of air of the aluminum-alloy pipe. One end of the aluminum-alloy pipe is provided with a piped opening, a sealing gasket is fixedly arranged in the piped opening, and the orifice on one end of the aluminum-alloy pipe is sleeved by a cap-like rubber sleeve, thus the aluminum-alloy temperature sensing pipe has good air tightness. Compared with the existing copper capillaries, the aluminum-alloy temperature sensing pipe overcomes the problem of high cost due to welding with tin, has high conduction velocity, high sensitivity and good performance, can improve the work efficiency and the quality of electrical appliances and is worthy of popularization and application.
Description
Technical field
The present invention relates to temperature regulator field of mechanical technique, particularly relate to a kind of all kinds of temperature regulator aluminium alloy temperature-sensing pipe and preparation method thereof.
Background technology
Temperature regulator is to promote the through and off of contact with pressure action principle, its structure forms induction system and a system of passing on signal power of a sealing by corrugated tube, temperature-sensing pipe, eccentric wheel, vernier switch etc., temperature-sensing pipe plays acting on to pass of temperature sensor central, can apply in refrigerator, refrigerator, air-conditioning, water dispenser and the field such as the Series Pressure such as automative air conditioning, blast dryer formula temperature regulator and air pressure type rly..
At present, when some workplace is to certain temperature, need opens the safety-valve and carry out pressure release.As in solar energy central hot water system, automatically need open the safety-valve when the water temperature in its concentrated water tank is more than 99 DEG C and carry out pressure release, otherwise can security incident be caused.Opening of its safety valve mainly utilizes temperature-sensing pipe to carry out Real-Time Monitoring to the temperature of workplace and backs down safety valve in time when arriving design temperature.Existing temperature-sensing pipe comprises kapillary, base, piston, push rod, , temperature sensing medium is inserted in advance in capillary shaft, its principle of work is: the characteristic utilizing the temperature sensing medium expanded by heating in its pipe, push up on packed-piston after temperature sensing medium expanded by heating, packed-piston drives on the push rod of the side of being located thereon and pushes up, temperature safety valve opened by push rod, to realize security purpose, be red copper be the capillary brass pipe that starting material are made for what fill the kapillary of temperature sensing medium in current temperature-sensing pipe, not only manufacturing cost is higher for the temperature-sensing pipe made of this kind of capillary vessel, and conductivity efficiency is low, the technical problem that sensitivity is not high, affect the performance of temperature-sensing pipe, thus affect working efficiency and the quality of electrical equipment.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the invention provides a kind of all kinds of temperature regulator aluminium alloy temperature-sensing pipe and preparation method thereof, concrete technical scheme is:
A preparation method for all kinds of temperature regulator aluminium alloy temperature-sensing pipe, is characterized in that, described temperature-sensing pipe of preparing comprises the following steps and makes:
Step one: by the step of capillary aluminium-alloy pipe surface degreasing;
Step 2: the capillary aluminium-alloy pipe after above-mentioned oil removing is carried out the step of washing;
Step 3: by step zinc-plated at normal temperatures for the capillary aluminium-alloy pipe after having washed, the zinc-plated time is 2s-6s;
Step 4: by above-mentioned zinc-plated after capillary aluminium-alloy pipe copper-plated step at normal temperatures, the copper-plated time is 8s-12s;
Step 5: the step that the capillary aluminium-alloy pipe after above-mentioned copper facing is washed again;
Step 6: by above-mentioned steps five, the step that the capillary aluminium-alloy pipe after washing is zinc-plated at normal temperatures, the zinc-plated time be 8s-12s;
Step 7: capillary aluminium-alloy pipe pipe one end is arranged with a shape for hat gum cover.
A kind of based on the aluminium alloy temperature-sensing pipe in all kinds of temperature regulators obtained by above-mentioned preparation method, comprise aluminium alloy body, shape for hat gum cover, described aluminium alloy body has crossed one deck zinc, one deck copper has been crossed on zinc layers, one deck tin has been crossed on layers of copper, described aluminium alloy body one end mouth of pipe is arranged with a shape for hat gum cover, the left end of shape for hat gum cover is uncovered, the aluminium alloy mouth of pipe is inserted into shape for hat gum cover inside from the uncovered of shape for hat gum cover, the internal perisporium of shape for hat gum cover tightly contacts with the outer tube wall of aluminium-alloy pipe, the uncovered of described shape for hat gum cover is a bell, described bell is internally shunk gradually by the outside of shape for hat gum cover to be formed, described aluminium alloy tubular body is open tube, the described aluminium-alloy pipe the other end mouth of pipe is used for welding with temperature-sensing pipe base 8, and tin welding during welding
The oil removing of described step one is the greasy dirt that chemical deoiling and degreasing agent or water base metal cleaning agent remove workpiece surface.
In described step 3, the time of electro-galvanizing is 4s.
Described step 3 is zinc-plated to be comprised the steps:
1) pickling: the capillary aluminium-alloy pipe after described washing is carried out pickling in pickle solution; Consisting of of described pickle solution: H2SO4 12-18%, thiocarbamide 0.1-0.12%, Yu Weishui, unit is mass percent;
2) wash: the capillary aluminium-alloy pipe after pickling is carried out the step of washing;
3) electro-galvanizing: by 2) in the electroplate liquid that invades in zinc bath of capillary aluminium-alloy pipe after washing zinc-plated, described electroplate liquid be by proportioning content the chemical measured added in the clear water in zinc bath stir, mixed dissolution makes, the pH value of electroplate liquid is 3-4.5, and temperature range is 15-60 ° of C.
4) capillary aluminium-alloy pipe shifts out zinc bath, again cleans with water;
5) play 4 by through step) capillary aluminium-alloy pipe invade in deactivation slot passivating solution in carry out the step of passivation, in the every L of the passivating solution in described deactivation slot, the proportioning content of chemical is: chromic trioxide 0.4-1.1g, barium carbonate 0.4-0.8g, phosphoric acid 0.9-1.2mL.
6) again washed by the capillary aluminium-alloy pipe after passivation, the step dried up after washing is played.
5, the method for preparation temperature controller temperature-sensing pipe according to claim 1, is characterized in that, the time of electro-coppering in described step 4 is 10s.
Described electro-coppering comprises the steps: 1) dedusting oil removing, 2) sound wave cleaning, 3) acid washing phosphorization, 4) activation, 5) copper facing, 6) washing oven dry.
Described step 6 zinc-plated time is 10s.
Describedly zinc-plated comprise the steps: 1) in zinc-plated cylinder, utilize tin plating electrolyte to carry out capillary aluminium-alloy pipe to be plated zinc-plated, obtains the second work package, 2) in zinc-plated cylinder, the second work package utilized tin plating electrolyte to carry out secondary zinc-plated.
Described zinc coating is 5-20um, and copper plate is 5-20um, and tin coating is 5-15um.
Copper is replaced with aluminium alloy in the present invention, first aluminium-alloy pipe oil removing, clean surface again, then zinc is plated, described zinc coating is 5-20um, in plated with copper, described copper plate is 5-20um, finally in second time cleaning, plate tin, tin coating is 5-15um, zinc-plated object is in order to copper facing, copper-plated object is in order to zinc-plated, zinc-plated object is to weld with base, prevent gas leakage, better tightness, welding time be with tin welding compared with existing capillary brass pipe, solve the problem that cost is high, and conductivity is faster, sensitivity is higher, than the time of copper fast 3-4 second, make the performance of temperature-sensing pipe better, improve working efficiency and the quality of electrical equipment, more be worthy of popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of aluminium-alloy pipe in the present invention.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1: take aluminium-alloy pipe as starting material, then the greasy dirt on capillary aluminium-alloy pipe surface is removed with chemical deoiling and degreasing agent, and then wash, afterwards at H2SO4 12%, thiocarbamide 0.1%, Yu Weishui, unit carries out pickling in the pickle solution of mass percent, wash again afterwards, again capillary aluminium-alloy pipe is invaded the zinc-plated 2s of electroplate liquid in zinc bath afterwards, described electroplate liquid to be added by the chemical measured by proportioning content in the clear water in zinc bath to stir, mixed dissolution is made, the pH value of electroplate liquid is 3, temperature range is 15C, again clean afterwards, then the step of carrying out passivation in the passivating solution in deactivation slot is invaded, in the every L of passivating solution in described deactivation slot, the proportioning content of chemical is: chromic trioxide 0.4g, barium carbonate 0.4g, phosphoric acid 0.9mL, afterwards by the capillary aluminium-alloy pipe washing after passivation, to dry up it again, described zinc coating is 5um, next again by the capillary aluminium-alloy pipe copper facing 8s again after having plated zinc, be specially: dedusting oil removing---sound wave cleaning---acid washing phosphorization---activation---copper facing---washing oven dry, copper plate is 5um, and then by the zinc-plated 8s of capillary aluminium-alloy pipe after copper facing, be specially that in zinc-plated cylinder, utilize tin plating electrolyte to carry out work package to be plated zinc-plated, obtain the second work package, then in zinc-plated cylinder, tin plating electrolyte the second work package is utilized to carry out secondary zinc-plated, tin coating be 5um finally with tin by above-mentioned zinc-plated after capillary aluminium-alloy pipe and base be welded together, capillary aluminium-alloy pipe pipe one end is arranged with a shape for hat gum cover, make the temperature-sensing pipe of temperature regulator.
Embodiment 2: take aluminium-alloy pipe as starting material, then the greasy dirt on capillary aluminium-alloy pipe surface is removed with water base metal cleaning agent, and then wash, afterwards at H2SO4 18%, thiocarbamide 0.12%, Yu Weishui, unit carries out pickling in the pickle solution of mass percent, wash again afterwards, again capillary aluminium-alloy pipe is invaded the zinc-plated 6s of electroplate liquid in zinc bath afterwards, described electroplate liquid to be added by the chemical measured by proportioning content in the clear water in zinc bath to stir, mixed dissolution is made, the pH value of electroplate liquid is 4.5, temperature range is 60 ° of C, again clean afterwards, then the step of carrying out passivation in the passivating solution in deactivation slot is invaded, in the every L of passivating solution in described deactivation slot, the proportioning content of chemical is: chromic trioxide 1.1g, barium carbonate 0.8g, phosphatase 11 .2mL, afterwards by the capillary aluminium-alloy pipe washing after passivation, to dry up it again, described zinc coating is 20um, next again by the capillary aluminium-alloy pipe copper facing 12s again after having plated zinc, be specially: dedusting oil removing---sound wave cleaning---acid washing phosphorization---activation---copper facing---washing oven dry, described copper plate is 20um, and then by the zinc-plated 12s of capillary aluminium-alloy pipe after copper facing, be specially that in zinc-plated cylinder, utilize tin plating electrolyte to carry out work package to be plated zinc-plated, obtain the second work package, then in zinc-plated cylinder, tin plating electrolyte the second work package is utilized to carry out secondary zinc-plated, described tin coating is 15um, finally with tin by above-mentioned zinc-plated after capillary aluminium-alloy pipe and base be welded together, capillary aluminium-alloy pipe pipe one end is arranged with a shape for hat gum cover, make the temperature-sensing pipe of temperature regulator.
Embodiment 3: take aluminium-alloy pipe as starting material, then the greasy dirt on capillary aluminium-alloy pipe surface is removed with chemical deoiling and degreasing agent, and then wash, afterwards at H2SO4 15%, thiocarbamide 0.6%, Yu Weishui, unit carries out pickling in the pickle solution of mass percent, wash again afterwards, again capillary aluminium-alloy pipe is invaded the zinc-plated 4s of electroplate liquid in zinc bath afterwards, described electroplate liquid to be added by the chemical measured by proportioning content in the clear water in zinc bath to stir, mixed dissolution is made, the pH value of electroplate liquid is 4, temperature range is 40 ° of C, again clean afterwards, then the step of carrying out passivation in the passivating solution in deactivation slot is invaded, in the every L of passivating solution in described deactivation slot, the proportioning content of chemical is: chromic trioxide 0.7g, barium carbonate 0.6g, phosphatase 11 .1mL, afterwards by the capillary aluminium-alloy pipe washing after passivation, to dry up it again, described zinc coating is 15um, next again by the capillary aluminium-alloy pipe copper facing 10s again after having plated zinc, be specially: dedusting oil removing---sound wave cleaning---acid washing phosphorization---activation---copper facing---washing oven dry, described copper plate is 15um, and then by the zinc-plated 10s of capillary aluminium-alloy pipe after copper facing, be specially that in zinc-plated cylinder, utilize tin plating electrolyte to carry out work package to be plated zinc-plated, obtain the second work package, then in zinc-plated cylinder, tin plating electrolyte the second work package is utilized to carry out secondary zinc-plated, described tin coating is 10um, finally with tin by above-mentioned zinc-plated after capillary aluminium-alloy pipe and base be welded together, capillary aluminium-alloy pipe pipe one end is arranged with a shape for hat gum cover, make the temperature-sensing pipe of temperature regulator.
With reference to the accompanying drawings shown in 1: based on all kinds of temperature regulator aluminium alloy temperature-sensing pipes obtained by above-mentioned preparation method, comprise aluminium alloy body 1, shape for hat gum cover 2, described aluminium alloy body 1 has crossed one deck zinc 3, described zinc coating is 5-20um, one deck copper 4 has been crossed on zinc layers, described copper plate is 5-20um, one deck tin 5 has been crossed on layers of copper, described tin coating is provided with a rolling mouth 6 for aluminium alloy body 1 one end mouth of pipe described in 5-15um, described rolling mouth internal fixtion is provided with a gasket 7, described aluminium alloy body 1 one end mouth of pipe is also arranged with a shape for hat gum cover 2, the left end of shape for hat gum cover 2 is uncovered, the aluminium alloy mouth of pipe is inserted into shape for hat gum cover inside from the uncovered of shape for hat gum cover 2, the internal perisporium of shape for hat gum cover tightly contacts with the outer tube wall of aluminium-alloy pipe, the uncovered of described shape for hat gum cover is a bell, described bell is internally shunk gradually by the outside of shape for hat gum cover to be formed, described aluminium alloy tubular body is open tube, the described aluminium-alloy pipe the other end mouth of pipe is used for welding with temperature-sensing pipe base 8, and tin welding during welding.
Copper is replaced with aluminium alloy in the present invention, first aluminium-alloy pipe oil removing, clean surface again, then zinc is plated in plated with copper, finally in second time cleaning, plate tin, zinc-plated object is in order to copper facing, copper-plated object is in order to zinc-plated, zinc-plated object is to weld with base, prevent gas leakage, better tightness, welding time be with tin welding compared with existing capillary brass pipe, solve the problem that cost is high, as as described in watch one: and conductivity is faster, sensitivity is higher, faster than copper, make the performance of temperature-sensing pipe better, improve working efficiency and the quality of electrical equipment, more be worthy of popularization.
Table one is the contrast of embodiment 1-3 and capillary brass pipe thermal conductivity at different temperatures
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. a preparation method for all kinds of temperature regulator aluminium alloy temperature-sensing pipe, is characterized in that, described temperature-sensing pipe of preparing comprises the following steps and makes:
Step one: by the step of capillary aluminium-alloy pipe surface degreasing;
Step 2: the capillary aluminium-alloy pipe after above-mentioned oil removing is carried out the step of washing;
Step 3: by step zinc-plated at normal temperatures for the capillary aluminium-alloy pipe after having washed, the zinc-plated time is 2s-6s;
Step 4: by above-mentioned zinc-plated after capillary aluminium-alloy pipe copper-plated step at normal temperatures, the copper-plated time is 8s-12s;
Step 5: the step that the capillary aluminium-alloy pipe after above-mentioned copper facing is washed again;
Step 6: by above-mentioned steps five, the step that the capillary aluminium-alloy pipe after washing is zinc-plated at normal temperatures, the zinc-plated time be 8s-12s;
Step 7: capillary aluminium-alloy pipe pipe one end is arranged with a shape for hat gum cover.
2. the preparation method of aluminium alloy temperature-sensing pipe according to claim 1, is characterized in that: the oil removing of described step one is the greasy dirt that chemical deoiling and degreasing agent or water base metal cleaning agent remove workpiece surface.
3. the preparation method of aluminium alloy temperature-sensing pipe according to claim 1, is characterized in that: in described step 3, the time of electro-galvanizing is 4s.
4. the preparation method of aluminium alloy temperature-sensing pipe according to claim 1, is characterized in that, step 3 is zinc-plated to be comprised the steps:
1) pickling: the capillary aluminium-alloy pipe after described washing is carried out pickling in the industry in pickling; Consisting of of described pickle solution: H2SO4 12-18%, thiocarbamide 0.1-0.12%, Yu Weishui, unit is mass percent;
2) wash: the capillary aluminium-alloy pipe after pickling is carried out the step of washing;
3) electro-galvanizing: by 2) in the electroplate liquid that invades in zinc bath of capillary aluminium-alloy pipe after washing zinc-plated; described electroplate liquid be by proportioning content the chemical measured added in the clear water in zinc bath stir, mixed dissolution makes; the pH value of electroplate liquid is 3-4.5, and temperature range is 15-60 ° of C;
4) capillary aluminium-alloy pipe shifts out zinc bath, again cleans with water;
5) play 4 by through step) capillary aluminium-alloy pipe invade in deactivation slot passivating solution in carry out the step of passivation, in the every L of the passivating solution in described deactivation slot, the proportioning content of chemical is: chromic trioxide 0.4-1.1g, barium carbonate 0.4-0.8g, phosphoric acid 0.9-1.2mL;
6) again washed by the capillary aluminium-alloy pipe after passivation, the step dried up after washing is played.
5. the preparation method of aluminium alloy temperature-sensing pipe according to claim 1, is characterized in that, the time of electro-coppering in described step 4 is 10s.
6. the preparation method of aluminium alloy temperature-sensing pipe according to claim 1, is characterized in that, described electro-coppering comprises the steps: 1) dedusting oil removing, 2) sound wave cleaning, 3) acid washing phosphorization, 4) activation, 5) copper facing, 6) washing oven dry.
7. the preparation method of aluminium alloy temperature-sensing pipe according to claim 1, is characterized in that: described step 6 zinc-plated time is 10s.
8. the preparation method of aluminium alloy temperature-sensing pipe according to claim 1, it is characterized in that, describedly zinc-plated comprise the steps: 1) in zinc-plated cylinder, utilize tin plating electrolyte to carry out work package to be plated zinc-plated, obtain the second work package, 2) in zinc-plated cylinder, the second work package utilized tin plating electrolyte to carry out secondary zinc-plated.
9. according to the temperature regulator aluminium alloy temperature-sensing pipe that the arbitrary described preparation method of claim 1-8 obtains, comprise aluminium alloy body, shape for hat gum cover, described aluminium alloy body has crossed one deck zinc, one deck copper has been crossed on zinc layers, one deck tin has been crossed on layers of copper, described aluminium alloy body one end mouth of pipe is provided with a rolling mouth, described rolling mouth internal fixtion is provided with a gasket, described aluminium alloy body one end mouth of pipe is also arranged with a shape for hat gum cover, the left end of shape for hat gum cover is uncovered, the aluminium alloy mouth of pipe is inserted into shape for hat gum cover inside from the uncovered of shape for hat gum cover, the internal perisporium of shape for hat gum cover tightly contacts with the outer tube wall of aluminium-alloy pipe, the uncovered of described shape for hat gum cover is a bell, described bell is internally shunk gradually by the outside of shape for hat gum cover to be formed, described aluminium alloy tubular body is open tube.
10. temperature regulator aluminium alloy temperature-sensing pipe according to claim 9, it is characterized in that: described zinc coating is 5-20um, copper plate is 5-20um, and tin coating is 5-15um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042182.3A CN104562004B (en) | 2015-01-28 | 2015-01-28 | A kind of all kinds of temperature controller aluminium alloy temperature-sensing pipes and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042182.3A CN104562004B (en) | 2015-01-28 | 2015-01-28 | A kind of all kinds of temperature controller aluminium alloy temperature-sensing pipes and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104562004A true CN104562004A (en) | 2015-04-29 |
| CN104562004B CN104562004B (en) | 2017-01-04 |
Family
ID=53079056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042182.3A Active CN104562004B (en) | 2015-01-28 | 2015-01-28 | A kind of all kinds of temperature controller aluminium alloy temperature-sensing pipes and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104562004B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119918A (en) * | 2016-07-29 | 2016-11-16 | 四川天邑康和通信股份有限公司 | The electro-plating method of bonder aluminium alloy coupling tape |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412351A (en) * | 2001-10-11 | 2003-04-23 | 恩通公司 | Light metal alloy surface coating method |
| CN101561320A (en) * | 2009-05-25 | 2009-10-21 | 浙江华美电器制造有限公司 | Structure and method for fixing capillary tube in temperature sensing tube |
| JP2010047802A (en) * | 2008-08-21 | 2010-03-04 | C Uyemura & Co Ltd | Surface treatment method for aluminum or aluminum alloy |
| CN102212855A (en) * | 2011-05-20 | 2011-10-12 | 湘潭大学 | Aluminium strip with tin soldering performance and high corrosion resistance and preparation technology thereof |
| CN102424993A (en) * | 2011-12-07 | 2012-04-25 | 广东韶配动力机械有限公司 | Method for plating ternary alloy layer on aluminum-silicon alloy and product thereof |
| CN103334134A (en) * | 2013-04-19 | 2013-10-02 | 中山职业技术学院 | Method for ultrasonic electroplating of aluminum alloy |
| CN204389041U (en) * | 2015-01-28 | 2015-06-10 | 江西富意美实业有限公司 | A kind of temperature controller aluminium alloy temperature-sensing pipe |
| CN105177644A (en) * | 2015-07-21 | 2015-12-23 | 安徽江威精密制造有限公司 | Copper plating method for aluminum pieces |
-
2015
- 2015-01-28 CN CN201510042182.3A patent/CN104562004B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412351A (en) * | 2001-10-11 | 2003-04-23 | 恩通公司 | Light metal alloy surface coating method |
| JP2010047802A (en) * | 2008-08-21 | 2010-03-04 | C Uyemura & Co Ltd | Surface treatment method for aluminum or aluminum alloy |
| CN101561320A (en) * | 2009-05-25 | 2009-10-21 | 浙江华美电器制造有限公司 | Structure and method for fixing capillary tube in temperature sensing tube |
| CN102212855A (en) * | 2011-05-20 | 2011-10-12 | 湘潭大学 | Aluminium strip with tin soldering performance and high corrosion resistance and preparation technology thereof |
| CN102424993A (en) * | 2011-12-07 | 2012-04-25 | 广东韶配动力机械有限公司 | Method for plating ternary alloy layer on aluminum-silicon alloy and product thereof |
| CN103334134A (en) * | 2013-04-19 | 2013-10-02 | 中山职业技术学院 | Method for ultrasonic electroplating of aluminum alloy |
| CN204389041U (en) * | 2015-01-28 | 2015-06-10 | 江西富意美实业有限公司 | A kind of temperature controller aluminium alloy temperature-sensing pipe |
| CN105177644A (en) * | 2015-07-21 | 2015-12-23 | 安徽江威精密制造有限公司 | Copper plating method for aluminum pieces |
Non-Patent Citations (1)
| Title |
|---|
| 《表面处理工艺手册》编审委员会: "《表面处理工艺手册》", 31 January 1991, 上海科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119918A (en) * | 2016-07-29 | 2016-11-16 | 四川天邑康和通信股份有限公司 | The electro-plating method of bonder aluminium alloy coupling tape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104562004B (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103952732B (en) | Metal super-hydrophobic surface and preparation method thereof | |
| CN102304743B (en) | Electrochemical oxidation film sealing method for aluminum/aluminum alloy surface | |
| CN103074623A (en) | Energy-saving environmental-friendly zirconium treatment process before coating | |
| CN104959287A (en) | Air-conditioning heat exchanger anticorrosion technology | |
| CN101376985A (en) | Aluminum product cleaning process | |
| JP5299531B2 (en) | Chrome-free painted steel plate with excellent red rust resistance | |
| CN102304711A (en) | Environmentally friendly chromium-free passivation solution for aluminum and aluminum alloy surface and application thereof | |
| CN104562004A (en) | Aluminum-alloy temperature sensing pipe for various types of temperature controllers and preparation method thereof | |
| CN102251203B (en) | Technology of hot dip aluminium-plating and application thereof | |
| CN105040010A (en) | Air conditioner system pipeline member pickling passivation technology | |
| CN103422051A (en) | Method of removing copper-nickel/aluminum-graphite composite seal coating material | |
| CN103556164B (en) | A kind of obstacles in quit of titanium aluminium chromium nitride hard reaction film | |
| CN204389041U (en) | A kind of temperature controller aluminium alloy temperature-sensing pipe | |
| CN103343346B (en) | A kind of technique improving aluminum or aluminum alloy surface anticorrosion performance | |
| US20080207477A1 (en) | Gel containing phosphate salts for passivation | |
| CN104101091A (en) | Inner cylinder of electric water heater and manufacturing method thereof | |
| CN101870913B (en) | Lubricating liquid for use in aluminum pipe expansion and aluminum pipe expansion method | |
| CN105834696A (en) | Preparation method of stainless steel pipe for air conditioner | |
| CN109899624A (en) | A kind of anti-corrosion pipeline interface anticorrosion process | |
| CN110530785A (en) | A kind of test method of gas-liquid two-phase corrosion inhibiting ability | |
| CN103372641A (en) | Steel wire rope head casting method | |
| JP5056739B2 (en) | Aluminum tube connection structure, connection method and heat exchanger | |
| CN209559009U (en) | A kind of exogenous power enhanced heat exchange system | |
| CN207362350U (en) | A kind of protective atmosphere ionic liquid treatment before plating equipment | |
| CN107738076B (en) | Preparation method of heating tube bundle of evaporation kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An aluminum alloy temperature sensing tube for various temperature controllers and its preparation method Effective date of registration: 20230215 Granted publication date: 20170104 Pledgee: Bank of China Limited De'an sub branch Pledgor: JIANGXI FUYIMEI INDUSTRIAL Co.,Ltd. Registration number: Y2023980032785 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170104 Pledgee: Bank of China Limited De'an sub branch Pledgor: JIANGXI FUYIMEI INDUSTRIAL Co.,Ltd. Registration number: Y2023980032785 |