NO143176B - THERMOSTAT UNIT FOR REGULATING ROOM TEMPERATURE - Google Patents
THERMOSTAT UNIT FOR REGULATING ROOM TEMPERATURE Download PDFInfo
- Publication number
- NO143176B NO143176B NO753542A NO753542A NO143176B NO 143176 B NO143176 B NO 143176B NO 753542 A NO753542 A NO 753542A NO 753542 A NO753542 A NO 753542A NO 143176 B NO143176 B NO 143176B
- Authority
- NO
- Norway
- Prior art keywords
- valve
- extension
- thermostat unit
- valve stem
- radiator
- Prior art date
Links
- 230000001105 regulatory effect Effects 0.000 title description 2
- 238000009434 installation Methods 0.000 claims description 5
- 230000036316 preload Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
- G05D23/021—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being a non-metallic solid, e.g. elastomer, paste
- G05D23/023—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being a non-metallic solid, e.g. elastomer, paste the sensing element being placed outside a regulating fluid flow
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Temperature-Responsive Valves (AREA)
- Control Of Temperature (AREA)
- Control Of Resistance Heating (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Description
Den foreliggende oppfinnelse vedrører en termostatenhet for regulering av romtemperatur og beregnet for montering i et vanlig radiatorventilhus samt utstyrt med en ventilspindel anordnet for å kunne forskyves mot stengningsstilling for ventilen av temperaturavfølende organ mot virkningen av en fjær, idet ventilspindelen er forsynt med en påskrudd, aksielt innstillbar forlengelse. The present invention relates to a thermostat unit for regulating room temperature and intended for installation in a normal radiator valve housing and equipped with a valve stem arranged to be able to be moved towards the closed position for the valve by a temperature-sensing organ against the action of a spring, the valve stem being provided with a screwed-on, axial adjustable extension.
Behovet for individuell automatisk temperaturregulering i opp-varmede lokaler gjør seg alt mer merkbart i og med den fort-gående stigningen i energiprisene. Med sentralvarmeanlegg har dog en individuell termostatregulering på de enkélte radiatorene neppe vært en realistisk mulighet. De kjente termo-statventilene krever temmelig store inngrep i radiatortil-koblingene ved installasjon og med hensyn til at man for å kunne dra full fordel av termostatreguleringen må utruste alle radiatorene som er i bruk i en bygning med termostatventiler kan de påkrevde monteringsarbeidene bli altfor omfattende og kostnadskrevende til å kunne anses motivert og kompensert ved den på lengre sikt inntredende besparingen. The need for individual automatic temperature regulation in heated premises is becoming increasingly noticeable due to the rapid increase in energy prices. With central heating systems, however, individual thermostat regulation on the individual radiators has hardly been a realistic possibility. The known thermostatic valves require fairly large interventions in the radiator connections during installation, and with regard to the fact that in order to take full advantage of the thermostat regulation, all the radiators in use in a building must be equipped with thermostatic valves, the required installation work can be far too extensive and costly to be considered motivated and compensated by the longer-term savings.
Et første problem som skal løses med oppfinnelsen har sammen-heng med vanskeligheten ved overgang til termostatstyrte radiatorventiler i eksisterende sentralvarmeanlegg, fra begynnelsen å kunne stille inn temperaturen til en tilsiktet verdi, slik at tidskrevende og kostbare etterjusteringer kan unngås. A first problem to be solved with the invention is related to the difficulty when switching to thermostatically controlled radiator valves in existing central heating systems, from the beginning being able to set the temperature to an intended value, so that time-consuming and expensive readjustments can be avoided.
Et andre problem som søkes løst ved oppfinnelsen, består i monteringen av termostatenheten på en del eldre radiatorventiler med utvendig gjenge på ventilhuset. A second problem that is sought to be solved by the invention consists in the mounting of the thermostat unit on some older radiator valves with an external thread on the valve body.
Den innledningsvis angitte termostatenheten kjennetegnes The initially indicated thermostat unit is characterized
ifølge oppfinnelsen ved at fjæren er montert mellom en stillestående del av ventilmekanismen og den aksielle forlengelsen av ventilspindelen for innstilling av dens lengde og dermed av dens forspenning ved aksialjustering av ventilspindelens forlengelse, og at den relative aksielle stilling av ventilspindelens forlengelse indikeres av en markering på forlengelsen . according to the invention in that the spring is mounted between a stationary part of the valve mechanism and the axial extension of the valve stem for setting its length and thus of its preload during axial adjustment of the valve stem extension, and that the relative axial position of the valve stem extension is indicated by a marking on the extension .
Ifølge ytteligere trekk ved oppfinnelsen har ventilspindelens forlengelse mangekantet tverrsnitt og markeringen utgjøres av en gradering på i det minste én av de flate sidene. Videre kan ventilspindelen og dens forlengelse styres i en styre-bøssing, hvis fremre ende er formet med en utvendig gjenge for innskruing i en innvendig gjenge som tilhører radiatorventilhuset. Dessuten muliggjøres ved oppfinnelsen at ventilspindelen og dens forlengelse styres i en styrebøssing formet med en utvendig radiell flens for samvirke med en kapselmutter for fastspenning av styrebøssingen til et radiatorventilhus med en tilsvarende utvendig gjenge. According to further features of the invention, the extension of the valve spindle has a polygonal cross-section and the marking consists of a graduation on at least one of the flat sides. Furthermore, the valve spindle and its extension can be controlled in a control bushing, the front end of which is shaped with an external thread for screwing into an internal thread belonging to the radiator valve housing. In addition, the invention enables the valve stem and its extension to be controlled in a control bushing formed with an external radial flange for cooperation with a capsule nut for clamping the control bushing to a radiator valve housing with a corresponding external thread.
Termostatenheten ifølge oppfinnelsen vil bli nærmere beskrevet under henvisning til utførelseseksempler som er vist på teg-ningene . Fig..1 viser et utspilt bilde av en første utførelsesform som egner seg til varmesystem hvis radiatorventiler har en utvendig gjenge for ventilinnsatsen. Fig. 2 et lignende snitt av en andre utførelsesform, hvor innstillingsanordningen er utelatt. The thermostat unit according to the invention will be described in more detail with reference to design examples shown in the drawings. Fig..1 shows an expanded image of a first embodiment which is suitable for a heating system whose radiator valves have an external thread for the valve insert. Fig. 2 a similar section of a second embodiment, where the setting device is omitted.
Termostatenheten i fig. 1 er tilpasset for montering på et ventilhus 50 med en utvendig gjenge 52 for en kapselmutter 60 som ikke behøver å tilhøre enheten som sådan, men er blitt an-vendt for å spenne fast en tidligere montert ventilinnsats. The thermostat unit in fig. 1 is adapted for mounting on a valve housing 50 with an external thread 52 for a capsule nut 60 which need not belong to the unit as such, but has been used to clamp a previously mounted valve insert.
Ved denne utførelsesform er bøssingen 1 (se fig. 2) blitt er-stattet med en ventilspindelstyring 53 og en bøssing 54. Delen 53 har en radiell flens 55 for tetning mot ventilhusets del 51, hvor en O-ring 5 6 er innlagt som tetning. Kap9elmutteren 60 spenner flensen 55 mot ventilhuset og en yttergjenge 57 på ventilstyringen 53 o<p>ptar den både innvendig og utvendig gjenge-forsynte bøssingen 54. I alle øvrige henseender overensstem-mer denne utførelsesform med den i fig. 2. Den vesentligste fordelen med denne utførelsesform er at mutteren 60 tilhørende en eksisterende radiatorventil kan anvendes, hvorved man slipper å tilvirke termostatenhetene med festemuttere som passer til gjengene på ventilhus med utvendige gjenger" for fastsetting av ventilinnsatsen. Slike ventilhus er i mange tilfeller utført med foreldede eller spesielle gjenger. Lignende van-skeligheter eksisterer som regel ikke med ventilhus med inn-vendige gjenger, når termostatenheter, slik som den som er vist i fig. 2, skal monteres. In this embodiment, the bushing 1 (see fig. 2) has been replaced with a valve spindle guide 53 and a bushing 54. The part 53 has a radial flange 55 for sealing against the valve housing part 51, where an O-ring 5 6 is inserted as a seal . The cap nut 60 tightens the flange 55 against the valve body and an external thread 57 on the valve guide 53 engages the both internally and externally threaded bushing 54. In all other respects, this embodiment corresponds to the one in fig. 2. The most significant advantage of this embodiment is that the nut 60 belonging to an existing radiator valve can be used, whereby one does not have to manufacture the thermostat units with fixing nuts that fit the threads on valve housings with external threads" for fixing the valve insert. Such valve housings are in many cases made with obsolete or special threads Similar difficulties usually do not exist with valve bodies with internal threads when thermostatic units such as that shown in Fig. 2 are to be mounted.
Ved den i fig. 2 viste utførelsesform betegner 1 en bøssing av messing eller annet metall, hvis mindre gjengete endeparti la er beregnet på å innskrus i en radiatorventil. Ventilspindelen 16 gjennomløper aksielt bøssingen 1 og styres ved ytter-enden i denne av boringens vegg samt lengre inn av en brikke 3 som er innlagt i bøssingens utvidede, sentrale uttagning le. Mot brikken 3 støter trykkfjæren 4, hvis motsatte ende støter mot enden på en stav 40. Staven 4 0 er fortrinnsvis laget av plast, men forsynt med en innplastet metallhylse 41 som ved hjelp av innergjenger samvirker med spindelens 16 gjengede bakende, hvilken bak hylsen 41 strekker seg fritt inn i et hulrom i staven 40. Ved å vri på staven 40, hvis frie ende er bestemt til samvirke med avfølingslegemets stift vil staven rage mer eller mindre langt ut av bøssingen 1. Hensikten med dette er at man for ventilhus med ulik avstand mellom ventil-setet som samvirker med ventillegemet 14 og anslagsflaten på den rørstuss hos ventilhuset hvori bøssingen 1 inngjenges skal kunne oppnå en totalt like stor sammentrykning av fjæren 4 og dermed like stor fjærkraft som virker mot termostatens inn-stillingskraft. Dette utføres i praksis slik at man for en minste ventilstørrelse for hvilken termostatenheten passer har staven innskrudd til en viss grad på dets gradering 42, f.eks. 15 mm. Etter innskruingen avleses ved inntrykning av staven 40 til anlegg av ventilorganet mot setet f.eks. målet 11 mm på graderingen, tilsvarende en ventilbevegelse på 4 mm. Ved større størrelse av ventilhus kreves en lengre ventil-beveglse, men med samme endelige lengde på fjæren 4. I dette tilfellet skrus staven ut, f.eks. til 17 på graderingen, mens det- avleste mål ved stengt ventil fremdeles skal være 11. Ventilbevegelsen blir lengre, men ir.nst illingskraf ten forblir uforandret. By the one in fig. In the embodiment shown in 2, 1 denotes a bushing of brass or other metal, whose smaller threaded end part la is intended to be screwed into a radiator valve. The valve spindle 16 passes axially through the bushing 1 and is controlled at its outer end by the wall of the bore as well as further in by a chip 3 which is inserted into the bushing's extended, central recess le. The compression spring 4 abuts the piece 3, the opposite end of which abuts the end of a rod 40. The rod 40 is preferably made of plastic, but provided with a wrapped metal sleeve 41 which, by means of internal threads, cooperates with the threaded rear end of the spindle 16, which behind the sleeve 41 extends freely into a cavity in the rod 40. By twisting the rod 40, the free end of which is intended to cooperate with the pin of the sensing body, the rod will protrude more or less far out of the bushing 1. The purpose of this is that for valve bodies with different distance between the valve seat which interacts with the valve body 14 and the stop surface on the pipe socket of the valve housing into which the bushing 1 is inserted must be able to achieve a total equal compression of the spring 4 and thus an equal spring force acting against the thermostat's setting force. This is carried out in practice so that for a minimum valve size for which the thermostat unit is suitable, the rod is screwed in to a certain extent on its graduation 42, e.g. 15 mm. After screwing in, a reading is taken by pushing in the rod 40 to contact the valve body against the seat, e.g. measure 11 mm on the graduation, corresponding to a valve movement of 4 mm. With a larger size valve body, a longer valve movement is required, but with the same final length of the spring 4. In this case, the rod is unscrewed, e.g. to 17 on the graduation, while the measured value with the valve closed should still be 11. The valve movement becomes longer, but the i.nst illing force remains unchanged.
Staven 40 er fortrinnsvis mangekantet, f.eks. sekskantet, for The rod 40 is preferably polygonal, e.g. hexagonal, for
å gi godt grep ved vridningsinnstillingen og for å danne et plant underlag for graderingen 42. Denne avleses best mot endeflaten på bøssingens aksielle flens lc. to provide a good grip during the twist setting and to form a flat surface for the graduation 42. This is best read against the end face of the bushing's axial flange lc.
Det burde være tydelig at den beskrevne innstillingsanordningen i stor utstrekning letter en fra begynnelsen riktig ventil-innstilling og muliggjør en enkel tilpasning til radiatorventiler av ulik størrelse, hvilket kan utføres i forbindelse med monteringen på plassen og ikke krever kompletterende til-tak på forhånd eller etterpå. It should be clear that the described setting device to a large extent facilitates correct valve setting from the start and enables a simple adaptation to radiator valves of different sizes, which can be carried out in connection with the installation on site and does not require additional measures in advance or afterwards .
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7413276A SE399955B (en) | 1974-10-22 | 1974-10-22 | THERMOSTATDON |
SE7501665A SE411248B (en) | 1975-02-14 | 1975-02-14 | THERMOSTATDON |
SE7506432A SE411481B (en) | 1975-06-05 | 1975-06-05 | THERMOSTAT CONTROLLED VALVE MECHANISM FOR RADIATOR VALVES |
Publications (3)
Publication Number | Publication Date |
---|---|
NO753542L NO753542L (en) | 1976-04-23 |
NO143176B true NO143176B (en) | 1980-09-15 |
NO143176C NO143176C (en) | 1980-12-29 |
Family
ID=27355094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO753542A NO143176C (en) | 1974-10-22 | 1975-10-21 | THERMOSTAT UNIT FOR REGULATING ROOM TEMPERATURE |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5164743A (en) |
AT (1) | AT341153B (en) |
CA (1) | CA1045099A (en) |
CH (1) | CH606886A5 (en) |
DD (1) | DD122424A5 (en) |
DE (1) | DE2546213A1 (en) |
DK (1) | DK450075A (en) |
FI (1) | FI60770C (en) |
FR (1) | FR2288925A1 (en) |
GB (1) | GB1524869A (en) |
IT (1) | IT1043353B (en) |
NL (1) | NL7512300A (en) |
NO (1) | NO143176C (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1063992A (en) * | 1976-11-25 | 1979-10-09 | Heinz W. Braukmann | Concealed thermostatic valve control |
DE3600130A1 (en) * | 1986-01-04 | 1987-07-09 | Danfoss As | FITTING FOR A THERMOSTAT VALVE |
JPH0554880U (en) * | 1991-12-26 | 1993-07-23 | 帝国ピストンリング株式会社 | Temperature control valve |
KR940009066B1 (en) * | 1992-04-30 | 1994-09-29 | 금성전선 주식회사 | Temperature control valve for hot water |
DE4344773A1 (en) * | 1993-12-28 | 1995-06-29 | Danfoss As | Thermostat attachment for radiator valves |
DE9411056U1 (en) * | 1994-07-06 | 1994-10-06 | Rossweiner Armaturen und Messgeräte GmbH, 04741 Roßwein | Radiator thermostatic valve insert |
FR2725771B1 (en) * | 1994-07-21 | 1997-01-17 | Comap | THERMOSTATIC TAP HEAD WITH ADJUSTABLE, LOCKABLE TEMPERATURE RANGE. |
DE19827780C2 (en) * | 1998-06-23 | 2002-04-18 | Danfoss As | radiator valve |
DE19955259C2 (en) * | 1999-11-17 | 2001-09-20 | Danfoss As | Valve, in particular thermostatic valve for heating systems |
DE19955264C2 (en) * | 1999-11-17 | 2001-09-20 | Danfoss As | Valve, in particular thermostatic valve for heating systems |
DE19955261C2 (en) * | 1999-11-17 | 2001-10-04 | Danfoss As | Valve, in particular thermostatic valve for heating systems |
DE19955257C1 (en) * | 1999-11-17 | 2001-06-28 | Danfoss As | Valve, in particular thermostatic valve for heating systems |
DE19955258C2 (en) * | 1999-11-17 | 2001-09-20 | Danfoss As | Valve, in particular thermostatic valve for heating systems |
DE19955263C2 (en) * | 1999-11-17 | 2001-09-20 | Danfoss As | Valve, in particular thermostatic valve for heating systems |
AT409292B (en) * | 2000-03-22 | 2002-07-25 | Herz Armaturen Gmbh | THERMOSTAT HEAD FOR VALVES OF HOT WATER RADIATORS |
DE10022729C2 (en) * | 2000-05-10 | 2003-06-18 | Danfoss As | Valve, in particular thermostatic valve for heating systems |
CN1323252C (en) * | 2005-01-18 | 2007-06-27 | 广州海鸥卫浴用品股份有限公司 | Automatic temperature control heating valve |
DE102005010172B4 (en) * | 2005-03-05 | 2008-01-24 | Danfoss A/S | Method for producing a thermostatic head, in particular for a return temperature limiter, and thermostatic head |
DE102008012148B4 (en) * | 2008-03-01 | 2014-07-17 | Danfoss A/S | Thermostatic radiator valve arrangement |
EP4148309A1 (en) * | 2021-09-10 | 2023-03-15 | Eazy Systems GmbH | Adapter for connecting an actuator with a control valve |
-
1975
- 1975-10-06 DK DK450075A patent/DK450075A/en not_active Application Discontinuation
- 1975-10-06 CA CA237,382A patent/CA1045099A/en not_active Expired
- 1975-10-14 IT IT28264/75A patent/IT1043353B/en active
- 1975-10-15 DE DE19752546213 patent/DE2546213A1/en not_active Withdrawn
- 1975-10-15 CH CH1339375A patent/CH606886A5/xx not_active IP Right Cessation
- 1975-10-17 AT AT792875A patent/AT341153B/en not_active IP Right Cessation
- 1975-10-20 NL NL7512300A patent/NL7512300A/en not_active Application Discontinuation
- 1975-10-20 DD DD188947A patent/DD122424A5/xx unknown
- 1975-10-20 FR FR7532050A patent/FR2288925A1/en active Granted
- 1975-10-20 FI FI752922A patent/FI60770C/en not_active IP Right Cessation
- 1975-10-21 JP JP50126017A patent/JPS5164743A/ja active Pending
- 1975-10-21 GB GB43148/75A patent/GB1524869A/en not_active Expired
- 1975-10-21 NO NO753542A patent/NO143176C/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI752922A (en) | 1976-04-23 |
ATA792875A (en) | 1977-05-15 |
AT341153B (en) | 1978-01-25 |
NL7512300A (en) | 1976-04-26 |
CH606886A5 (en) | 1978-11-15 |
DE2546213A1 (en) | 1976-05-06 |
NO753542L (en) | 1976-04-23 |
FI60770B (en) | 1981-11-30 |
FR2288925A1 (en) | 1976-05-21 |
DK450075A (en) | 1976-04-23 |
IT1043353B (en) | 1980-02-20 |
GB1524869A (en) | 1978-09-13 |
CA1045099A (en) | 1978-12-26 |
NO143176C (en) | 1980-12-29 |
DD122424A5 (en) | 1976-10-05 |
JPS5164743A (en) | 1976-06-04 |
FR2288925B1 (en) | 1979-02-02 |
FI60770C (en) | 1982-03-10 |
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