CN1696585A - Liquid heat storage device of home appliance esp. for hot water preparator - Google Patents

Liquid heat storage device of home appliance esp. for hot water preparator Download PDF

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Publication number
CN1696585A
CN1696585A CNA2005100762311A CN200510076231A CN1696585A CN 1696585 A CN1696585 A CN 1696585A CN A2005100762311 A CNA2005100762311 A CN A2005100762311A CN 200510076231 A CN200510076231 A CN 200510076231A CN 1696585 A CN1696585 A CN 1696585A
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CN
China
Prior art keywords
hole
wall
accommodation hole
storage device
container
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
Application number
CNA2005100762311A
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Chinese (zh)
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CN1696585B (en
Inventor
E·克里斯蒂安
S·格奥尔格
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of CN1696585A publication Critical patent/CN1696585A/en
Application granted granted Critical
Publication of CN1696585B publication Critical patent/CN1696585B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/36—Moulds having means for locating or centering cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/76—Cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021—Storage heaters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The hot water tank of a domestic appliance, e.g. a boiler (2), has a deep and straight holder (40) in the tank wall (10) to take a thermostat (42). A straight and longitudinal gap (50) is formed in the wall (46) of the opening to stabilize the pressure injection molding tool used to form the opening.

Description

Liquid thermal storage device a kind of home appliances, especially a kind of hot water preparing device
Technical field
The present invention relates to a kind of liquid heat vessel of a hot water preparing device of as described in the preamble, home appliances-especially by claim 1.
Background technology
German utility model patent G 82 09 111.0 U1 have pointed out a kind of liquid thermal storage device, and it has one to make reservoir vessel by the good material of heat conduction, for example steel, is welded with a protection tube that is formed from steel equally on the lateral surface of this container.The two is all surrounded by a kind of insulated sheath together.
DE-AS 1 259 902 has pointed out the temperature sensor in a kind of recess on the lateral surface of a steam boiler water pipe.Described recess is V-shape in cross section.A temperature sensor in this recess can be welded on the pipe, and/or is covered in by a steel lid that is welded on the water pipe.
Also know, can make a protection tube that is used to hold a thermotonus element pass a container flange and extend in the liquid thermal storage device.But must make the thermotonus element when assembling, easily moving in the protection tube that is made of metal herein, also be used to change the thermotonus element.Form an air intermediate cavity like this between thermotonus element and protection tube inwall, this has caused degenerating with wayward of conducting heat.
Summary of the invention
The task that should solve by the present invention is to realize good heat contact between the hot water zone of a thermotonus element and liquid thermal storage device.
This task solves by the feature of claim 1 according to the present invention.
Advantage of the present invention and be: because it is thinner to hold hole wall in thermotonus element position, so it is good to conduct heat between the thermotonus element of liquid thermal storage device and hot water zone according to the advantage of the favourable improvement project of dependent claims; Can make the thermotonus element and hold hole wall and contact well; Manufacturing expense is favourable; Easy for installation; Member is less.
In a pressure injection-moulded technology, be formed in the pipe of the floating dress in the container-this pipe forms accommodation hole, owing to the reason of Tool and Die Technology aspect has just limited the thin-walled that holds hole wall, this is because the effect of temperature effect and pressure influence when being used to make the linearity of the needed mould plug of accommodation hole (for example single hole bearing pin) being under pressure injection moulding in pressure injection-moulded technology.Hole wall is thin more, makes mould plug distortion enter in the hole wall position when pressure injection-moulded and to form a kind of danger of packing less hole wall simultaneously just big more.Can make by the present invention and to hold hole wall and process very thinly, be connected with pressure injection-moulded mould, and therefore fix in position, make it overcome heat affecting and pressure influence and keep stable because the mould plug passes the axial clearance.
According to the present invention described thermotonus element is pushed in the adaptive especially accommodation hole in the heat vessel wall.The thermotonus element is easier to be entered in order to make, and accommodation hole is strutted on the axial clearance.Both sides in the axial clearance can be provided with convex shoulder or projection on chamber wall for this reason, can act on an instrument and be used to strut described axial clearance on them.After the thermotonus element is encased in accommodation hole, the power of strutting of chamber wall is reduced, thereby just make the axial clearance, therefore also make accommodation hole can be contracted to its natural size, so that surround the thermotonus element by so tightly enclosing owing to the spring of chamber wall.Thereby between thermotonus element and chamber wall, produce a king-sized contact-making surface, this just make can realize between the aqua region of container and the thermotonus element good especially and rapidly heat transmit.
According to a kind of form of implementation of the present invention, the axial clearance of described accommodation hole is positioned on the outside of containers face.Therefore pressure injection-moulded mould plug just can by plain mode on this outside of containers face with an injection mold part mechanical connection.
According to another kind of form of implementation of the present invention, be parallel to accommodation hole and be provided with an additional holes, this additional holes is connected with accommodation hole by the axial clearance.Therefore the additional plug of a pressure injection-moulded mould can be inserted in this additional holes, this additional plug passes the axial clearance and links to each other with pressure injection-moulded mould plug, so that it keeps stable.Additional hole wall preferably is positioned within the aqua region of container fully.By this version the whole hole wall of accommodation hole all is positioned in the aqua region of container, thereby can more have the ground of hysteresis and obtain water temperature more accurately in time in the said structure form (wherein the axial clearance is in a container outer wall) by the ratio of the thermotonus element in the accommodation hole.
According to a kind of preferred form of implementation of invention, hole wall is provided with heat transfer sheet at it facing to vessel water zone one side.Thereby the temperature survey implemented by the thermotonus element or the action time and the accuracy of thermotonus have been improved.
Heat transfer sheet is preferably on the longitudinal direction of accommodation hole and extends, because just can after pressure injection-moulded finishing pressure injection-moulded mould and heat transfer sheet be separated by simpler mode like this.
According to the present invention also provide a kind of be used for making a kind of home appliances, the pressure injection-moulded method of a liquid thermal storage device of hot water preparing device especially, it is characterized in that, in pressure injection-moulded technology, form a chamber wall, and in chamber wall, form dark, rectilinear, a narrow accommodation hole by a mould plug simultaneously, be used to lay a thermotonus element; Make accommodation hole thin hold hole wall and separate waterproofly by one herein, and realize that by thin wall thickness good heat conduction connects with respect to the aqua region of container; Accommodation hole is in a bore ends and is provided with one on the outside of containers face and holds opening, is used to pull out the mould plug and the thermotonus element of packing into; The mould plug is kept stable by a mould part in a lateral direction at plug when pressure injection-moulded, and simultaneously vertically form a rectilinear axial clearance along the hole holding in the hole wall by this mould part, this gap is holding the beginning of opening next door, wherein holds hole wall and surround accommodation hole until ground, axial clearance above 180 ° of ground on the circumferencial direction in hole.
Go out many advantages again by these methods with according to the special form of implementation of claim, they all are illustrated with reference to the liquid thermal storage device in the above.
Description of drawings
The present invention is narrated according to preferred form of implementation as an example below in conjunction with accompanying drawing, but be not limited to this.Accompanying drawing is depicted as:
Fig. 1: by a vertical cross-section by the liquid thermal storage device of of the present invention a, hot water preparing device;
Fig. 2: along a horizontal cross-section on the II-II plane of Fig. 1;
Fig. 3: by vertical cross-section by the another kind of form of implementation of a liquid thermal storage device of of the present invention a, hot water preparing device;
Fig. 4: along the horizontal cross-section of Fig. 3 midplane IV-IV; And
Fig. 5 a: horizontal cross-section of in another kind of embodiment, pressing Fig. 4.
The specific embodiment
Liquid thermal storage device 2 illustrated in figures 1 and 2 is parts of a hot water preparing device or boiler, and comprises an electric heating body 4, and the electric connection terminal 4-1 of this calandria and 4-2 pass a flange 6 waterproofly.Flange 6 is enclosed in 8 li in the hole of a base wall 10 of container 2 waterproofly.
Heat vessel 2 is made up of a container lower member 12 and a container upper-part 14, and they interconnect waterproofly and make with pressure injection-moulded method respectively on a parting plane 16, for example by metal or preferably be made of plastics.A fresh water input pipe 20 passes vessel top tegmental wall 18 and almost extends to base wall 10 always, is used to carry fresh water, the cold water on the public water pipe network.Hot water is taken pipe 24 and is passed 18 arrival of vessel top tegmental wall and abut against under this vessel top tegmental wall 18.By opening a cold water switch, fresh water is incorporated in the vessel port through fresh water input pipe 20.Fresh cold water will be taken 24 li extrusion of pipe from hot water with the corresponding hot water of its amount this moment.Therefore be not have to press under container intracavity 26 normal conditions, even and when taking hot water, also do not bear the whole pipeline hydraulic pressure of water pipe network.The aqua region of container 2 upwards reaches from base wall 10 always and exceeds electric heating body 4 until take pipe 24 to hot water.
There is a protection tube 28 also can pass flange 6 waterproofly and extends, be used to lay a thermotonus element 30.Protection tube 28 ends that are positioned at 26 li of container intracavities close waterproofly.Connect electric wire 32,34 or a kind of liquid measure lead from flange 6, being extended with according to the type of thermotonus element of protection tube, on this lead, connected a switch or adjuster or temperature indicator or an insurance (not shown) from 2 li ends of stretching of container.When the temperature in the container intracavity 26 surpassed a predetermined safety value, an insurance just disconnected the power transmission sequence of electric heating body 4 in known manner.
In identical pressure injection-moulded technical process, generate dark, linearity, a narrow accommodation hole 40 for 10 li in base wall, be used to lay another thermotonus element 42.This thermotonus element 42 can be additional to or replace a described thermotonus element 30 of protection tube 28.Element 42 common diameters are about 6mm.
Accommodation hole 40 separates by a thin hole wall 46 that holds with respect to the aqua region 44 of container 2 waterproofly, connects but be in good heat conduction.Hold the part that hole wall 46 is container surrounding walls, and technically as far as possible unfertile land constitute, and preferably the container perimeter wall portion section 47 and the base wall 10 of the remainder of container lower member 12 is thinner.
Accommodation hole 40 has one to hold opening 48 and be used to make pack into 40 li of accommodation holes of thermotonus element 42 at the end in hole at outside of containers, and is used for making when pressure injection-moulded together with axially pulling out a pressure injection-moulded mould plug after the container lower member 12 of holding hole wall 46.
Holding 46 li of hole walls, along a rectilinear axial clearance 50 of vertical formation in hole, this axial clearance starts from holding opening 48.Hold hole wall 46 and on the peripheral direction of hole, extend until axial clearance 50 and surpass 180 °, and the edge that is close to 52 and 54 of the container perimeter wall portion section 47 by container lower member 12 forms on interporal lacuna 50.
When making container lower member 12, form by a pressure injection-moulded mould plug that inserts 40 li of accommodation holes simultaneously and hold hole wall 46, this plug passes axial clearance 50 and is lived by a pressure injection-moulded mould part of pressure injection-moulded mould is stable.Made in pressure injection-moulded technology after the outer casing underpart spare 12, this mould part can be along vertical taking-up of accommodation hole 40 with pressure injection-moulded mould plug.By making pressure injection-moulded mould plug pass in a lateral direction that axial clearance 50 maintains and therefore stable live, just can make the hole wall 46 that holds of 26 li of container intracavities design to such an extent that all the other wall portion sections 47 of container lower member 12 approach manyly 40 li of accommodation holes.
Thermotonus element 42 is a temperature sensor preferably, and it is filled with the thermotonus liquid that a kind of volume can ground relevant with temperature strong variations, and this liquid acts on the control element 62 that is arranged in container 2 outsides by a kind of pipeline 60 of measuring.Control element 62 is switch in calandria 4 circuit or adjuster preferably, makes the circuit disconnection when surpassing predetermined a last rated value with box lunch, and connects when being lower than a following rated value.
According to other form of implementation of the present invention, thermotonus element 42 itself is exactly switch or the adjuster in the circuit of calandria 4, and perhaps one is used for temperature temperature displayed meter.
Hold hole wall 46 and preferably be provided with many conducting strips 64 in container inside.These conducting strips preferably be arranged in accommodation hole 40 vertically on because they can make gentlyer than the conducting strip of lateral arrangement in pressure injection-moulded method.
In Fig. 3 and the hot water preparing device shown in 4, represent with identical Reference numeral, and they have the same function of having narrated corresponding to those parts of the part among Fig. 1 and 2.
One is parallel to accommodation hole 40 and one corresponding to the axial clearance 150 of the axial clearance shown in Fig. 1 and 2 50 that accommodation hole is 40 that arrange, additional holes 270 dark, linearity couples together in by the form of implementation shown in Fig. 3 and 4, this additional holes separates by the aqua region 44 of an additional hole wall 272 with liquid thermal storage device 2 waterproofly, but the end in the hole has an import 274 on outside of containers identical as holding opening 48, this import with hold opening 48 and only separate by axial clearance 150.Additional holes 270 is used to hold the additional plug of a pressure injection-moulded mould, this plug is connected with the mould plug by axial clearance 150 and is used to make accommodation hole 40, so that making this plug radially fixes, can make accommodation hole wall 46 make very thinly in pressure injection-moulded method thus, preferably the chamber wall 56 of container lower member 12 is much thin.Additional hole wall 272 preferably is positioned at 26 li of container intracavities at least partly.A part of circumference of additional hole wall 46 can form by the container perimeter wall, perhaps links to each other with this wall.Additional hole wall 272 has a radial spacing with the container perimeter wall in by the form of implementation shown in Fig. 3 and 4.
Represented another embodiment among Fig. 5, it has only made minor modifications.In order to improve machinability, hold the wall thickness S of hole wall 46 2Be about 1mm, thinner than additional hole wall 272.Additional holes wall thickness S 1Be about 2.5mm, with opposite in Fig. 5, the thickness of container perimeter wall 47 is identical.
For using a mould plug to make the replacement scheme of holding hole wall, also can realize as the local reduction that holds the container perimeter wall 47 of hole wall 46 by other method.
The present invention also can be applied to other home appliances, for example calorifier, washing machine, dish-washing machine and coffee machine.

Claims (15)

  1. A household goods, the liquid thermal storage device of hot water preparing device especially, it is characterized in that, form an accommodation hole (40) in chamber wall (10) lining of plastics and be used to lay a thermotonus element (42); Accommodation hole (40) separates by a thin hole wall (46) that holds with respect to the aqua region (44) of container (2) waterproofly, and it is thinner that this holds hole wall container wall (10).
  2. 2. by the described liquid thermal storage device of claim 1, it is characterized in that the accommodation hole (40) that forms a straight line in container (2) in chamber wall (10) lining is used to lay thermotonus element (42); And form a rectilinear axial clearance (50) and be used for a mould plug in described hole wall (46) lining that holds.
  3. 3. by claim 1 or 2 described liquid thermal storage devices, it is characterized in that chamber wall (10) and hold hole wall (46) formation integrally mutually.
  4. 4. by the described liquid thermal storage device of one of aforesaid right requirement, it is characterized in that temperature element (TE (42) at least mainly abuts on the inner surface that holds hole wall (46) at periphery, be used to realize that good heat conduction connects.
  5. 5. by the described liquid thermal storage device of one of aforesaid right requirement, it is characterized in that the end of accommodation hole (40) in the hole has one at an outside of containers and hold opening (48), is used for the thermotonus element is encased in accommodation hole (40) lining.
  6. 6. by the described liquid thermal storage device of one of aforesaid right requirement, it is characterized in that, holding in the hole wall along the axial clearance (50 of a straight line of vertical formation in hole; 150), it starts from holding the next door of opening (48), wherein hold hole wall (46) on the circumferencial direction in hole until axial clearance (50; 150) surround accommodation hole (40) more than 180 ° of ground; And make chamber wall and hold hole wall and in pressure injection-moulded method, make together.
  7. 7. by the described liquid thermal storage device of claim 2, it is characterized in that axial clearance (50) are positioned on the lateral surface of container.
  8. 8. by the described liquid thermal storage device of claim 2, it is characterized in that, the axial clearance (150) of accommodation hole (40) is arranged in parallel with this gap with one in a lateral direction the hole, dark, linearity additional holes (270) is connected, this additional holes separates by the aqua region (44) of an additional hole wall (272) with container (2) waterproofly, and be on the identical outside of containers face an additional holes end, the place that holds opening (48) place that is accommodation hole (40) has an import (274), and this import is by axial clearance and accommodation hole (40) transversely being connected in the hole.
  9. 9. by the described liquid thermal storage device of one of aforesaid right requirement, it is characterized in that hold hole wall (46) and be provided with heat transfer sheet (64) in aqua region (44) lining of container (2), wherein heat transfer sheet (64) preferably is parallel to the longitudinal extension of accommodation hole (40).
  10. 10. by the described liquid thermal storage device of one of aforesaid right requirement, it is characterized in that, hold hole wall (46) and have different wall (S 1, S 2) portion's section.
  11. 11. be used to make home appliances, the pressure injection-moulded method of a kind of liquid thermal storage device of hot water preparing device especially, it is characterized in that, in pressure injection-moulded method, generate a kind of chamber wall and simultaneously preferably by means of a mould plug at chamber wall (10,12,47) lining forms a rectilinear accommodation hole (40), is used to lay a thermotonus element (42); By a thin hole wall (46) that holds accommodation hole (40) is kept apart with respect to the aqua region (44) of container (2) herein waterproofly, and obtain good heat conduction connection by a kind of thin wall thickness.
  12. 12., it is characterized in that the end of accommodation hole (40) in the hole is in and is provided with one on the outside of containers face and holds opening (48), is used to pull out the mould plug and is used to pack into thermotonus element (42) by the described pressure injection-moulded method of claim 11; This mould plug keeps stable by mould part in a lateral direction at plug when pressure injection-moulded method, and is vertically gone up along the hole and form a rectilinear axial clearance (50 holding hole wall (46) lining by this mould part simultaneously; 150), this gap is holding the beginning of opening (48) next door.
  13. 13. by claim 11 or 12 described pressure injection-moulded methods, it is characterized in that, on an outside of containers face, form axial clearance (50).
  14. 14. by claim 11 or 12 described pressure injection-moulded methods, it is characterized in that, by means of an additional plug be parallel to accommodation hole form (40) one dark, rectilinear additional holes (270), this additional holes is separated by an additional hole wall (272) and the aqua region (44) of container (2) waterproofly, but be on the identical outside of containers face an additional holes end, there is an import (274) in the place that holds opening (48) place that is accommodation hole (40), and wherein additional plug passes the axial clearance (150) that holds hole wall (46) and links to each other with the mould plug of accommodation hole (40).
  15. 15. by the described pressure injection-moulded method of one of aforesaid right requirement, it is characterized in that, hold hole wall (46) and heat transfer sheet (64) is set in aqua region (44) lining of container (2) during in pressure injection-moulded method, wherein heat transfer sheet (64) preferably is parallel to the longitudinal extension of accommodation hole (40).
CN200510076231.1A 2004-03-19 2005-03-21 Liquid heat storage device of hot water preparator Expired - Fee Related CN1696585B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004013623A DE102004013623A1 (en) 2004-03-19 2004-03-19 Domestic hot water boiler tank, with inner hot water heating, has a straight holder at the tank wall to take a thermostat with a holder wall and outer ribs giving thermal conductivity with the hot water
DE102004013623.8 2004-03-19

Publications (2)

Publication Number Publication Date
CN1696585A true CN1696585A (en) 2005-11-16
CN1696585B CN1696585B (en) 2010-05-05

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Application Number Title Priority Date Filing Date
CN200510076231.1A Expired - Fee Related CN1696585B (en) 2004-03-19 2005-03-21 Liquid heat storage device of hot water preparator

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CN (1) CN1696585B (en)
DE (1) DE102004013623A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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Publication number Publication date
CN1696585B (en) 2010-05-05
DE102004013623A1 (en) 2005-10-06

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Owner name: BSH HOME APPLIANCES CO., LTD.

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