CN103282849A - A thermostat used in household appliances - Google Patents
A thermostat used in household appliances Download PDFInfo
- Publication number
- CN103282849A CN103282849A CN2011800631198A CN201180063119A CN103282849A CN 103282849 A CN103282849 A CN 103282849A CN 2011800631198 A CN2011800631198 A CN 2011800631198A CN 201180063119 A CN201180063119 A CN 201180063119A CN 103282849 A CN103282849 A CN 103282849A
- Authority
- CN
- China
- Prior art keywords
- thermostat
- kapillary
- protection sleeve
- joint
- slit
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Thermally Actuated Switches (AREA)
- Cookers (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The present invention relates to a thermostat (1) which controls the temperature in household appliances, for example in cooking devices, comprising a thermostat box (2) connected to the temperature adjustment button and containing therein mechanisms providing control of temperature, a sensing tube (3) shaped as a metal tube, detecting the temperature, a capillary tube (4), produced from thin and bendable metal, containing a fluid material therein that expands with heat, one end connected to the thermostat box (2), the other end to the sensing tube (3), transmitting the temperature effect detected by the sensing tube (3) to the thermostat box (2) by changing it to pressure effect and wherein the ends of the capillary tube (4) and the sensing tube (3) are inserted into one another and connected by welding at a joint (5).
Description
Technical field
The present invention relates to a kind of thermostat that in household electrical appliance, uses and controlled temperature is provided.
Background technology
In household electrical appliance, for example in cooking device, thereby well heater is provided as carrying out under the temperature of regulating by thermostat control gastronomical process.Thermostat comprises: thermostat tank, be connected to temperature adjustment buttons, and hold therein well heater is provided switching so that the mechanism that preferred temperature is provided; Tubule is named and formed to thermal sensor or " temperature measurer " usually, and the detection of temperature is provided; Kapillary, wherein an end is connected to thermal sensor, and the other end is connected to thermostat tank, holds the fluid that expands along with heating therein, and will be transferred to thermostat tank by becoming the pressure effect by the detected temperature of thermostat.Thermostat is by the ancillary industry supply, is generally the form capillaceous that coil and an end are connected by welding to thermal sensor (temperature measurer) that is wound up as.When thermostat is installed to cooking device, thermostat tank is installed to the back of the button on the front panel, with kapillary tractive thermal sensor, thermal sensor is connected by welding on the kapillary, extend to the rear side of cooking device and be set in the furnace chamber, simultaneously the winding on the kapillary coil is launched.At the described assembly process of thermostat, the welding region that kapillary is connected with thermal sensor can be tightened up, and crackle may take place, and can not be noted at the assembly process crackle.Because the damage in the welding region makes that fluid outflow and the thermostat in the kapillary can not correctly work.Assembly process at thermostat, when launching the coil that kapillary twines, with kapillary tractive sensor, and sensor is arranged at the rear side of cooking device, meanwhile, the bending that produces in kapillary, folding, torsion effect can be strained the welding region at the joint of kapillary and sensor.In known embodiment, in order to address this problem, to have used the tubular holders that is wrapped on the welding region, thereby prevented that the bending motion in the kapillary from arriving welding region, yet can not prevent that the twisting motion in the kapillary from arriving joint, thereby welding region is damaged owing to being tightened up.
In prior art U.S. Patent No. US4333669, the brazing between kapillary and sensor or the soldering in the thermostat has been described.
In prior art European patent No.EP0578096, illustrated that the soldering between kapillary and sensing pipe in the thermostat connects.
Summary of the invention
The objective of the invention is to realize a kind of thermostat that is used for the control temperature that in household electrical appliance, uses, and wherein prevent from disconnecting from welding region at assembly process sensor and the kapillary of thermostat.
The thermostat of realizing in order to obtain purpose of the present invention of illustrating in first claim and respective right requirement thereof comprises: thermostat tank; Can detect the metal sensing pipe of heat, perhaps the temperature measurer as extensively naming; Kapillary, by thin flexible metal manufacturing, an end is connected to temperature measurer; And protection sleeve, by extending to kapillary around the joint at the place of being welded to connect from temperature measurer, and comprising slit at protection sleeve, kapillary inserts by described slit.The edge of the slit on the protection sleeve clamps kapillary by the local linking kapillary; thereby as clip, pliers or latch, keep the kapillary that inserts, thereby to prevent that twisting motion in the assembly process kapillary of thermostat from arriving welding joint and damaging weld part.
Protection sleeve has C shape section, is configured as the pipe of non-complete closure, by the thin-sheet metal band being become circle and crooked the manufacturing; and by cutting the edge that it faces one another; make at the edge two slits to be set, a close joint, and another is away from joint.Slit preferably aligns prejudicially, and makes kapillary form local spiral winding in the protection sleeve outside.
In one embodiment of the invention, protection sleeve is provided with T shape slit, to clamp kapillary better.
In another embodiment of the present invention, be provided with the supporting teat in protection sleeve inside, the overhang bracket of temperature measurer in the supporting teat, thereby prevent that kapillary is in the protection sleeve interior curve.
Protection sleeve prevents that temperature measurer from disconnecting by the joint that welding is connected with kapillary from temperature measurer with kapillary; and therefore prevent when still be in assembling during the stage thermostat become and can not work, thereby reduced the household electrical appliance fault relevant with thermostat in the cooking device for example of using thermostat.
Description of drawings
The thermostat of realizing in order to obtain purpose of the present invention is shown in the drawings, wherein:
Fig. 1 is the stereographic map of thermostat.
Fig. 2 is the stereographic map that is installed to the thermostat of cooking device.
Fig. 3 is the stereographic map of protection sleeve.
Fig. 4 is the front elevation that is installed to the protection sleeve of sensing pipe and joint capillaceous.
Fig. 5 is the stereographic map that is installed to the protection sleeve of sensing pipe and joint capillaceous.
Fig. 6 is the stereographic map from the protection sleeve that is installed to sensing pipe and joint capillaceous of another angle observation.
The following mark of element illustrated in the accompanying drawings:
1 thermostat
2 thermostat tanks
3 sensing pipes
4 kapillaries
5 joints
6 protection sleeves
7 slits
8 supporting teats.
Embodiment
The thermostat 1 of control temperature is adapted at household electrical appliance and for example uses in cooking device, refrigerator and the dish-washing machine, comprising: thermostat tank 2, and being connected to temperature adjustment buttons and holding therein provides temperature controlled mechanism; The metal sensing pipe 3 of detected temperatures, perhaps its widely used title temperature measurer; Kapillary 4, by thin flexible metal manufacturing, hold the fluent material that expands along with heating therein, one end is connected to thermostat tank 2, the other end is connected to sensing pipe 3, to transfer to thermostat tank 2 by becoming the pressure effect by sensing pipe 3 detected temperature effects, and the diameter of kapillary 4 is less than the diameter of sensing pipe 3; Joint 5 is connected during wherein the end of kapillary 4 and sensing pipe 3 is inserted into each other and by welding.
The diameter of sensing pipe 3 is greater than the diameter of kapillary 4, and kapillary 4 is by being connected to sensing pipe 3 in joint 5 places welding or soldering.Protection sleeve 6 is fixed on the end that extends to joint 5 of sensing pipe 3 by snap fit, and the end that extends to joint 5 of wound joint 5 and kapillary 4.Because the diameter of kapillary 4 very little (for example 1mm) extends so kapillary 4 has in protection sleeve 6 inside with gap.Slit 7,107 is passed in the end that extends to joint 5 of kapillary 4, and local extension on the outside surface of protection sleeve 6.At assembly process; after protection sleeve 6 has been installed; first slit 7 of kapillary 4 by joint 5 back inserted; be fetched into protection sleeve 6 outsides; and after the outside surface of local linking protection sleeve 6; insert by second slit 107, being taken into protection sleeve 6 inside again, and be fetched into the outside from the end of protection sleeve 6.Slit 7,107 edge clamp the kapillary 4 that passes wherein, and prevent that during assembling is handled twisting motion in the kapillary 4 from arriving joint 5 and the welding position is strained.
In one embodiment of the invention, thermostat 1 comprises two eccentric alignment slits 7,107, and they are holed by the edge that faces one another of inside cutting protection sleeve 6 and form, a close joint 5, and another is away from joint 5.
In one embodiment of the invention, thermostat 1 comprises T shape slit 7,107, and they are holed on the edge that faces one another of protection sleeve 6 and form.Therefore, slit 7,107 edge clamp and closely keep kapillary 4, thereby prevent that the twisting motion in the kapillary 4 from arriving joint 5.
In another embodiment of the present invention; thermostat 1 comprises supporting teat 8; supporting teat 8 is arranged on protection sleeve 6 inside; be supported on the end that extends to joint 5 of sensing pipe 3; keep kapillary 4 to be fixed on distance between the slit 7,107 that joint 5 and kapillary 4 pass, thereby thereby prevent kapillary 4 in protection sleeve 6 inside joint 5 near bending damage welding position.
By protection sleeve 6, prevent that thermostat 1 from passing through joint 5 disconnections of solder joints from sensing pipe 3 and kapillary 4.By being arranged on the protection sleeve 6 and for the slit 7,107 that kapillary 4 is inserted through, arriving being welded to connect of joint 5 damage theres thereby protection sleeve 6 prevents the twisting motion that produces at assembly process in kapillary 4.
Should be appreciated that to the invention is not restricted to above disclosed embodiment, those skilled in the art can easily introduce different embodiment.These should be considered to be in by in the disclosed protection domain of claim of the present invention.
Claims (8)
1. a thermostat that is suitable for using in household electrical appliance (1) comprising: thermostat tank (2); Metal sensing pipe (3) is configured as metal tube and detected temperatures; Kapillary (4), by thin flexible metal manufacturing, an end is connected to described thermostat tank (2), and the other end is connected to described sensing pipe (3); Joint (5), be connected during the end of stating kapillary (4) and described sensing pipe (3) in this joint (5) place is inserted into each other and by welding, it is characterized in that protection sleeve (6), this protection sleeve (6) is installed on described sensing pipe (3) and by extending to described kapillary (4) around described joint (5) from described sensing pipe (3); And the slit (7,107) that surpasses; described slit is arranged on the described protection sleeve (6); described kapillary (4) inserts by described slit (7,107); the side of described slit (7,107) clamps described kapillary (4) by local linking, thereby prevents that the twisting motion in the described kapillary of assembly process (4) from arriving described joint (5).
2. thermostat as claimed in claim 1 (1) is characterized in that, described protection sleeve (6) is by the thin-sheet metal band being become circle and crooked the shaping, so that its section is C shape.
3. thermostat as claimed in claim 1 or 2 (1); it is characterized in that two slits (7,107); being holed by the edge that faces one another of the described protection sleeve of inside cutting (6) forms, and one near described joint (5), and another is away from described joint (5).
4. any described thermostat of claim (1) as described above is characterized in that two the eccentric alignment slits (7,107) on the described protection sleeve (6).
5. any described thermostat of claim (1) as described above is characterized in that two T shape slits (7,107), and described two T shape slits are in the boring of the edge that faces one another of described protection sleeve (6) and form.
6. any described thermostat of claim (1) as described above; it is characterized in that supporting teat (8); this supporting teat is arranged on described protection sleeve (6) inside; be supported on the end that extends to described joint (5) of described sensing pipe (3), thereby prevent that described kapillary (4) is inner crooked near described joint (5) at described protection sleeve (6).
7. a cooking device is characterized in that, as any described thermostat of above-mentioned claim (1), comprises the protection sleeve (6) of slit (7,107) above this thermostat is included in.
8. a refrigerator is characterized in that, as any described thermostat (1) in the claim 1 to 6, comprises the protection sleeve (6) of slit (7,107) above this thermostat is included in.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TRA2010/10957 | 2010-12-27 | ||
| TR201010957 | 2010-12-27 | ||
| PCT/EP2011/071874 WO2012089449A2 (en) | 2010-12-27 | 2011-12-06 | A thermostat used in household appliances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103282849A true CN103282849A (en) | 2013-09-04 |
| CN103282849B CN103282849B (en) | 2015-05-20 |
Family
ID=45375295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180063119.8A Expired - Fee Related CN103282849B (en) | 2010-12-27 | 2011-12-06 | A thermostat used in household appliances |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2659324B1 (en) |
| CN (1) | CN103282849B (en) |
| WO (1) | WO2012089449A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3432113B1 (en) | 2017-07-18 | 2020-06-17 | Copreci, S.Coop. | Thermostat for a household appliance and method of assembly of said thermostat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333669A (en) * | 1979-04-28 | 1982-06-08 | E.G.O. Elektro-Gerate Blanc Und Fischer | Brazed or soldered joints |
| EP0578096A2 (en) * | 1992-07-04 | 1994-01-12 | E.G.O. Italiana S.p.A. | Connection between piece parts, particularly between capillary tube and sensing tube |
| CN2255022Y (en) * | 1995-12-08 | 1997-05-28 | 中国科学院上海技术物理研究所 | Constant low temp. device with adjusting sample position function |
| CN1601683A (en) * | 2003-09-22 | 2005-03-30 | 松下电器产业株式会社 | Thermostat |
| CN101515182A (en) * | 2008-02-20 | 2009-08-26 | 韩国邦迪株式会社 | Thermostat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2760813B1 (en) * | 1997-03-14 | 1999-04-09 | Coflexip | DEVICE FOR CURVING A FLEXIBLE PIPE |
-
2011
- 2011-12-06 CN CN201180063119.8A patent/CN103282849B/en not_active Expired - Fee Related
- 2011-12-06 EP EP20110799268 patent/EP2659324B1/en not_active Not-in-force
- 2011-12-06 WO PCT/EP2011/071874 patent/WO2012089449A2/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333669A (en) * | 1979-04-28 | 1982-06-08 | E.G.O. Elektro-Gerate Blanc Und Fischer | Brazed or soldered joints |
| EP0578096A2 (en) * | 1992-07-04 | 1994-01-12 | E.G.O. Italiana S.p.A. | Connection between piece parts, particularly between capillary tube and sensing tube |
| CN2255022Y (en) * | 1995-12-08 | 1997-05-28 | 中国科学院上海技术物理研究所 | Constant low temp. device with adjusting sample position function |
| CN1601683A (en) * | 2003-09-22 | 2005-03-30 | 松下电器产业株式会社 | Thermostat |
| CN101515182A (en) * | 2008-02-20 | 2009-08-26 | 韩国邦迪株式会社 | Thermostat |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012089449A3 (en) | 2013-04-04 |
| CN103282849B (en) | 2015-05-20 |
| EP2659324B1 (en) | 2015-04-29 |
| WO2012089449A2 (en) | 2012-07-05 |
| EP2659324A2 (en) | 2013-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8803041B2 (en) | High-performance flow heater and process for manufacturing same | |
| JP2018128197A (en) | Heat exchanger | |
| CN103282849B (en) | A thermostat used in household appliances | |
| FI92163C (en) | Method and apparatus for joining workpieces by soldering | |
| EP3770528A2 (en) | Heat exchanger for boiler | |
| US20120223466A1 (en) | Device for heat-treating sheet metal strips | |
| JP2012511137A5 (en) | ||
| US4333669A (en) | Brazed or soldered joints | |
| CN106164555A (en) | Fluid control heater and fluid control device | |
| JPWO2018179999A1 (en) | Vaporizer | |
| CN218379844U (en) | Fixing structure and temperature sensing device | |
| EP2645042A1 (en) | Heat exchanger, household appliance comprising such heat exchanger and method for manufacturing such heat exchanger | |
| EP3123005B1 (en) | Flexible conduit tube and a connecting device for use in exhaust systems | |
| CN104070255A (en) | Excess temperature detection method and fluid control equipment in tubing soldering | |
| CN106123258A (en) | Temperature sensing package fixing frame and air conditioner adopting same | |
| US20110040148A1 (en) | Permanently sealed length compensation for endoscope shafts | |
| CN206073377U (en) | Temperature sensing package fixing frame and air conditioner adopting same | |
| US5884651A (en) | Valve and associated soldering method | |
| JP2015021669A (en) | Fluid heating device | |
| JP2016110740A (en) | Method of manufacturing fluid heating device and fluid heating device | |
| JP3341416B2 (en) | Pipe fittings | |
| EP4014804A1 (en) | Heat exchanger for machines for preparing infused beverages | |
| CN211557532U (en) | Coil induction heating device | |
| CN109340474B (en) | Insulating jacket metal collapsible tube keeps warm | |
| JP5401166B2 (en) | How to connect resin pipes |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20171206 |