FR2503841A1 - Heat extraction pump for heating buildings - has reservoir to compressor connection allowing lower exit temperatures from condenser - Google Patents
Heat extraction pump for heating buildings - has reservoir to compressor connection allowing lower exit temperatures from condenser Download PDFInfo
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- FR2503841A1 FR2503841A1 FR8107521A FR8107521A FR2503841A1 FR 2503841 A1 FR2503841 A1 FR 2503841A1 FR 8107521 A FR8107521 A FR 8107521A FR 8107521 A FR8107521 A FR 8107521A FR 2503841 A1 FR2503841 A1 FR 2503841A1
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- compressor
- evaporator
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D5/00—Hot-air central heating systems; Exhaust gas central heating systems
- F24D5/12—Hot-air central heating systems; Exhaust gas central heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
- F24D11/0257—Central heating systems using heat accumulated in storage masses using heat pumps air heating system
- F24D11/0278—Central heating systems using heat accumulated in storage masses using heat pumps air heating system with recuperation of waste energy
- F24D11/0285—Central heating systems using heat accumulated in storage masses using heat pumps air heating system with recuperation of waste energy contained in exhausted air
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0409—Refrigeration circuit bypassing means for the evaporator
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/23—Separators
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
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- 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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/13—Hot air central heating systems using heat pumps
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Building Environments (AREA)
Abstract
Description
La présente invention a pour objet une pompe à chaleur pour le chauffage de bâtiments. The present invention relates to a heat pump for heating buildings.
Les pompes à chaleur sont actuellement de plus en plus utilisées pour le chauffage de bâtiments en raison du caractère économique de leur exploitation. Heat pumps are currently used more and more for heating buildings due to the economic nature of their operation.
Une pompe à chaleur fonctionne par circulation en circuit fermé d'un fluide frigorigène dans une installation1 selon le cycle thermodynamique de Carnot. Cette installation comprend, dans le sens de circulation du fluide, et comme montré à la figure 1 du dessin schématique annexé, un compressuer 2, un condenseur 3 dans lequel le fluide frigorifique passe, en raison de la compression, à l'état liquide par une réaction exothermique. C' est au niveau du condenseur que sont récupérées des calories dues à la réaction exothermique, en vue du chauffage du bâtiment. A heat pump operates by closed circuit circulation of a refrigerant in an installation1 according to Carnot's thermodynamic cycle. This installation comprises, in the direction of circulation of the fluid, and as shown in FIG. 1 of the appended schematic drawing, a compressor 2, a condenser 3 in which the refrigerant fluid passes, due to compression, to the liquid state by an exothermic reaction. It is at the condenser that calories are recovered due to the exothermic reaction, with a view to heating the building.
En aval du condenseur 3 est disposé un réservoir 4, puis un détendeur 5 assurant le passage du fluide de ltétat liquide à ltétat gazeux dans un évaporateur 6, au cours d'une réaction endothermique qui va provoquer l'absorption par le fluide d'un certain nombre de calories appartenant au milieu extérieur. Downstream of the condenser 3 is disposed a reservoir 4, then a pressure reducing valve 5 ensuring the passage of the fluid from the liquid state to the gaseous state in an evaporator 6, during an endothermic reaction which will cause the absorption by the fluid of a number of calories belonging to the external environment.
Le cycle frigorifique traditionnel est représenté en traits mixtes à la figure 3 où sont portées en abscisses les valeurs de itenthalpie et en ordonnées les valeurs du logarithme de la pression au cours du cycle de Carnot. The traditional refrigeration cycle is shown in phantom in Figure 3 where the values of itenthalpy are plotted on the abscissa and the values of the logarithm of the pressure during the Carnot cycle are plotted on the ordinate.
Les différents changements d'états indiqués précédemment se produisent entre les points A B C D. The different changes of states indicated above occur between points A B C D.
L'effet frigorifique de l'installation résulte de la différence d'enthalpie de la vapeur et de celle du liquide dans la situation CD. The refrigerating effect of the installation results from the difference in enthalpy of the vapor and that of the liquid in the CD situation.
La présente invention vise à fournir une pompe à chaleur dont le rendement est amélioré
A cet effet, la pompe qu'elle concerne du type comprenant une installation dans laquelle circule, en circuit fermé, un fluide frigorigène, comprenant notamment un compresseur, un condenseur, un réservoir, un détendeur et un évaporateur, est équipée d'une tubulure reliant la partie haute du réservoir à la canalisation d'aspiration du compresseur, d'un régulateur de pression en amont du réservoir, et d'un régulateur de pression sur la tubulure reliant la partie haute du réservoir à la canalisation d'aspiration du compresseur.The present invention aims to provide a heat pump whose performance is improved
To this end, the pump it relates to of the type comprising an installation in which circulates, in a closed circuit, a refrigerant, comprising in particular a compressor, a condenser, a tank, a pressure reducer and an evaporator, is equipped with a tube connecting the upper part of the tank to the suction line of the compressor, a pressure regulator upstream of the tank, and a pressure regulator on the tubing connecting the upper part of the tank to the suction line of the compressor .
Cet agencement permet d'abaisser la température du fluide frigorigene sortant du condenseur en provoquant ltévaporation d'une partie de ce fluide à l'intérieur du réservoir, les gaz résultant de cette évaporation étant absorbés au compresseur par l'intermédiaire de la tubulure reliant la partie haute du réservoir à la canalisation d'aspiration de celui-ci. This arrangement makes it possible to lower the temperature of the refrigerant leaving the condenser by causing the evaporation of a part of this fluid inside the tank, the gases resulting from this evaporation being absorbed by the compressor via the tube connecting the upper part of the tank to its suction pipe.
La valeur de cette évaporation est fonction du réglage des régulateurs de débit, chacun de ceux-ci contrôlant la pression en amont de lui, et ne s'ouvrant que lorsque cette pression est supérieure ou égale à la valeur de réglage. The value of this evaporation is a function of the setting of the flow regulators, each of which controls the pressure upstream of it, and does not open until this pressure is greater than or equal to the setting value.
Selon une autre caractéristique de l'invention, l'ôvaporateur de l'installation est disposé dans un caisson alimenté en air, d'une part, par des volets s'ouvrant sous l'effet d'une dépression due à un ventilateur et assurant l'extraction d'air hors du caisson et, d'autre part, par un collecteur de 1'air extrait des pièces sanitaires, le ventilateur étant susceptible de deux régimes de fonctionnement, à savoir : un régime rapide en période normale, et un régime lent en période de dégivrage, un dispositif de contrôle de l'ôtant de formation du givre sur la batterie de L'évaporateur étant prévu qui, en période de dégivrage, commande l'arrêt du compresseur, le fonctionnement en régime lent du ventilateur d'extraction et la fermeture des volets à dépression. According to another characteristic of the invention, the evaporator of the installation is arranged in a box supplied with air, on the one hand, by flaps opening under the effect of a depression due to a fan and ensuring extracting air from the box and, on the other hand, by a collector of the air extracted from the sanitary rooms, the ventilator being capable of two operating modes, namely: rapid speed during normal periods, and one slow speed during the defrosting period, a device for controlling the level of frost formation on the evaporator's battery being provided which, during the defrosting period, controls the stopping of the compressor, the slow speed operation of the fan d extraction and closing of the vacuum flaps.
En conditions normales de fonctionnement, l'air est admis, d'une part, par les volets à dépression et, d'autre part, par le collecteur d'extraction d'air des pièces sanitaires. Le compresseur frigorifique fonctionne, et le ventilateur de circulation d'air est animé d'une vitesse rapide. Lorsqu'il convient de dégivrer ltévaporateur, le détecteur de givre provoque l'arrêt du fonctionnement du compresseur, le passage du ventilateur en vitesse lente et la fermeture des volets à dépression. De ce fait, seul de l'air chaud extrait des pièces sanitaires est admis à vitesse lente au niveau de l'évaporateur, ce qui assure la fonte rapide du givre formé sur les ailettes de celui-ci. Under normal operating conditions, air is admitted, on the one hand, through the vacuum flaps and, on the other hand, through the air extraction manifold of the sanitary rooms. The refrigeration compressor operates, and the air circulation fan is driven at high speed. When it is necessary to defrost the evaporator, the frost detector causes the compressor to stop operating, the fan to switch to slow speed and the vacuum shutters to close. Therefore, only hot air extracted from sanitary rooms is admitted at low speed to the evaporator, which ensures the rapid melting of the frost formed on the fins thereof.
L'opération de dégivrage terminée, le contrôleur de dégivrage remet la pompe à chaleur en fonctionnement normal. When the defrosting operation is finished, the defrost controller returns the heat pump to normal operation.
Avantageusement, le caisson contenant l'évaporateur de l'installation est situé dans les combles du bâtiment à équiper, et les murs de celui-ci sont munis, à proximité de leur face extérieure, de canaux verticaux débouchant, d'une part, à la partie inférieure des murs et, d'autre part1 dansles combles. Advantageously, the box containing the installation evaporator is located in the attic of the building to be equipped, and the walls thereof are provided, near their outer face, with vertical channels opening, on the one hand, to the lower part of the walls and, on the other hand1 in the attic.
Cet agencement est intéressant en ce sens que l'évapo- rateur se trouve dans une zone chauffage par les déperditions calorifiques provenant du plafond de l'habitation, des extractions sanitaires, et de l'effet des rayons solaires sur la toiture. This arrangement is interesting in the sense that the evaporator is in a heating zone by the heat losses coming from the ceiling of the house, from the sanitary extracts, and from the effect of the sun's rays on the roof.
Dans le cas d'une construction nouvelle, les canaux disposes dans les murs de celle-ci permettent une récupération des déperditions calorifiques au niveau des murs. In the case of a new construction, the channels arranged in the walls thereof allow recovery of heat losses from the walls.
L'air caloporteur nécessaire au transfert des calories provenant des déperditions, sera repris à ltextérieur et son volume sera déterminé en fonction de la puissance calorifique nécessaire au chauffage de cette habitation. The heat transfer air necessary for the transfer of calories from heat losses will be taken up inside and its volume will be determined according to the calorific power required to heat this home.
Dans le cas de l'installation de l'évaporateur en combles, le reste de l'installation et notamment le compresseur et le condenseur peuvent être situés en soussol, le seul impératif étant le passage de tubulures de transport du fluide frigorigène entre les combles et le sous-sol. In the case of the installation of the evaporator in the attic, the rest of the installation and in particular the compressor and the condenser can be located in the basement, the only requirement being the passage of refrigerant transport pipes between the attic and the basement.
De toute façon, l'invention sera bien comprise à l'aide de la description qui suit en référence au dessin schématique annexé représentant, à titre d'exemple non limitatif, une forme d'exécution de cette installation
Figure 2 est une vue schématique de cette pompe à chaleur
Figure 3 est une vue du cycle thermodynamique de la pompe à chaleur
Figure 4 est une vue de l'installation de cette pompe dans un bâtiment ;
Figure 5 est une vue d'un montage de l'évaporateur.Anyway, the invention will be well understood with the aid of the description which follows with reference to the appended schematic drawing representing, by way of nonlimiting example, an embodiment of this installation.
Figure 2 is a schematic view of this heat pump
Figure 3 is a view of the thermodynamic cycle of the heat pump
Figure 4 is a view of the installation of this pump in a building;
Figure 5 is a view of an assembly of the evaporator.
Outre les éléments traditionnels d'une installation frigorifique, l'installation représentée à la figure 2 du dessin schématique annexé comporte une tubulure 7 reliant la partie haute du réservoir 4 à la canalisation d'aspiration du compresseur 2. En amont du réservoir 4 et sur la tubulure 7 sont montés deux régulateurs de pression, respectivement 8 et 9, destines à permettre l'évaporation d'une partie du fluide à l'intérieur du réservoir. In addition to the traditional elements of a refrigeration installation, the installation shown in FIG. 2 of the appended schematic drawing comprises a tube 7 connecting the upper part of the tank 4 to the suction pipe of the compressor 2. Upstream of the tank 4 and on the tubing 7 are mounted two pressure regulators, respectively 8 and 9, intended to allow the evaporation of a part of the fluid inside the tank.
Les différentes références 13 B', B" et et D', portées sur le schéma, permettent de mieux comprendre le cycle thermodynamique de l'installation, représenté à la figure 3. The different references 13 B ′, B ″ and D ′, shown on the diagram, allow a better understanding of the thermodynamic cycle of the installation, represented in FIG. 3.
Si l'on considère que l'installation fonctionne avec un fluide frigorigène constitué par du difluoromonochlorométhane connu sous la marque de fréon 22, effet frigorifique de l'installation traditionnelle résulte de la différence des enthalpies respectives dans la zone CD de la vapeur, à la température de - 4,50C et de celle du liquide à la température de + 470 C. If we consider that the installation works with a refrigerant constituted by difluoromonochloromethane known under the brand of freon 22, the refrigerating effect of the traditional installation results from the difference of the respective enthalpies in the CD zone of the vapor, at the temperature of - 4.50C and that of the liquid at the temperature of + 470 C.
i à - 4,50C = 149 Kcal/Kg
i à + 470C = 115,2 Kcal/kg
Le cycle thermodynamique représenté en traits pleins au dessin correspond à celui d'une installation conforme à celle de figure 2.i at - 4.50C = 149 Kcal / Kg
i at + 470C = 115.2 Kcal / kg
The thermodynamic cycle shown in solid lines in the drawing corresponds to that of an installation conforming to that of FIG. 2.
Il faut considérer,d'une part, l'effet frigorifique à l'évaporateur et, d'autre part, l'effet frigorifique au réservoir. We must consider, on the one hand, the refrigerating effect on the evaporator and, on the other hand, the refrigerating effect on the tank.
L'effet frigorifique à l'évaporateur est donné par la différence des enthalpies respectives dans la zone CD de la vapeur à - 4,3C et du liquide à + 20,3 C
i à - 4,30C = 149,01 Kcal/Kg
i â + 20,3eC = 106,15 Kcal/Kg
L'effet frigorifique au niveau du réservoir résulte de la différence des enthalpies respectives dans la zone 1311 D' de la vapeur à la température de + 180C et du liquide à la température de + 52,50C.The refrigerating effect on the evaporator is given by the difference of the respective enthalpies in the CD zone of the vapor at - 4.3C and the liquid at + 20.3 C
i at - 4.30C = 149.01 Kcal / Kg
i â + 20.3eC = 106.15 Kcal / Kg
The cooling effect at the level of the tank results from the difference of the respective enthalpies in zone 1311 D 'of steam at the temperature of + 180C and of the liquid at the temperature of + 52.50C.
i à 180C = 151 Kcal/Kg
i à 52,5+C = 117 Kcal/Kg
Il ressort de cet exemple que le rendement calorifique de l'installation est augmenté d'une valeur de 15 à 30 % selon les cas, c'est-à-dire selon que le fluide caloporteur utilisé au niveau de chauffage est à une température relativement basse, de l'ordre de 3O0C, ou à une température plus élevée, de l'ordre de 550 à 600C. i at 180C = 151 Kcal / Kg
i at 52.5 + C = 117 Kcal / Kg
It emerges from this example that the heat output of the installation is increased by a value of 15 to 30% depending on the case, that is to say depending on whether the heat transfer fluid used at the heating level is at a relatively temperature low, of the order of 3O0C, or at a higher temperature, of the order of 550 to 600C.
Dans la forme d'exécution représentée à la figure 4, ltévaporateur est monté à l'intérieur d'un caisson 10 placé dans les combles de l'habitation. Ceci permet de récupérer des calories provenant du plafond du local chauffé, de l'effet du soleil sur la toiture, ainsi que des déperditions au niveau des murs, les calories perdues à ce niveau étant récupérées par des tubulures 12 s'étendant verticalement à l'intérieur des murs. In the embodiment shown in Figure 4, ltévaporateur is mounted inside a box 10 placed in the attic of the house. This makes it possible to recover calories from the ceiling of the heated room, the effect of the sun on the roof, as well as losses from the walls, the calories lost at this level being recovered by pipes 12 extending vertically to the inside the walls.
Le caisson 10 contenant ltévaporateur 6, est équipé d'un ventilateur 13 rejetant l'air à l'extérieur, cet air étant admis, d'une part, par des volets 14 s'ouvrant sous l'effet de la dépression créée par le ventilateur 13 et, d'autre part, par un collecteur 15 de l'air extrait des différentes pièces sanitaires
Le ventilateur 13 est susceptible de deux regimes de fonctionnement, à savoir un regime rapide et un régime lent, les volets 14 comportant, pour leur part, des moyens susceptibles d'assurer leur maintien en position fermée.The box 10 containing the evaporator 6 is equipped with a fan 13 rejecting the air outside, this air being admitted, on the one hand, by flaps 14 opening under the effect of the vacuum created by the fan 13 and, on the other hand, by a manifold 15 of the air extracted from the various sanitary rooms
The fan 13 is capable of two operating speeds, namely a fast speed and a slow speed, the flaps 14 comprising, for their part, means capable of ensuring that they are kept in the closed position.
D'un point de vue pratique, lorsque l'évaporateur doit être dégivré, le détecteur de givre commande l'arrêt du compresseur 2, le maintien des volets 14 en position fermée et le fonctionnement du ventilateur en vitesse lente. Seul de l'air chaud amené par le collecteur 15 passe à faible vitesse sur les ailettes de I'évaporateur 6, assurant la fonte rapide du givre. En fin de dégivrage, l'installation fonctionne de nouveau en régime normal. From a practical point of view, when the evaporator must be defrosted, the frost detector controls the stopping of the compressor 2, the maintenance of the flaps 14 in the closed position and the operation of the fan at low speed. Only hot air supplied by the manifold 15 passes at low speed over the fins of the evaporator 6, ensuring the rapid melting of the frost. At the end of defrosting, the installation works again in normal mode.
Comme il ressort de ce qui précède, l'invention apporte une grande amélioration à la technique existante en fournissant une pompe à chaleur de conception simple susceptible d'un rendement sensiblement supérieur à celui des installations traditionnelles, ce qui est particulièrement intéressant au niveau de ltéconomie réalisée lors de son exploitation. As is apparent from the above, the invention brings a great improvement to the existing technique by providing a heat pump of simple design capable of a performance significantly higher than that of traditional installations, which is particularly advantageous in terms of economy. carried out during its operation.
Comme il va de soi, l'invention ne se limite pas à la seule forme d'exécution de cette installation, décrite ci-dessus a titre d'exemple ; elle en embrasse, au contraire, toutes les variantes de réalisation. It goes without saying that the invention is not limited to the sole embodiment of this installation, described above by way of example; on the contrary, it embraces all of its variant embodiments.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8107521A FR2503841A1 (en) | 1981-04-09 | 1981-04-09 | Heat extraction pump for heating buildings - has reservoir to compressor connection allowing lower exit temperatures from condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8107521A FR2503841A1 (en) | 1981-04-09 | 1981-04-09 | Heat extraction pump for heating buildings - has reservoir to compressor connection allowing lower exit temperatures from condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2503841A1 true FR2503841A1 (en) | 1982-10-15 |
Family
ID=9257404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8107521A Withdrawn FR2503841A1 (en) | 1981-04-09 | 1981-04-09 | Heat extraction pump for heating buildings - has reservoir to compressor connection allowing lower exit temperatures from condenser |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2503841A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0180904A2 (en) * | 1984-11-03 | 1986-05-14 | Bitzer Kühlmaschinenbau GmbH & Co. KG | Cooling device |
| FR2775339A1 (en) * | 1998-02-24 | 1999-08-27 | Jf Cesbron Holding Soc | Compression type refrigerating system. |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2196778A (en) * | 1939-09-05 | 1940-04-09 | Johnson Service Co | Refrigeration |
| US2229301A (en) * | 1939-10-27 | 1941-01-21 | Honeywell Regulator Co | Refrigeration control system |
| US2626506A (en) * | 1947-05-28 | 1953-01-27 | Nathalie L Dickieson | Refrigeration control mechanism |
| US3003332A (en) * | 1957-10-07 | 1961-10-10 | John E Watkins | Control means for refrigerating system |
| BE751598A (en) * | 1970-06-08 | 1970-12-08 | Acec | HEATING AND COOLING SYSTEM |
| US3877243A (en) * | 1973-09-27 | 1975-04-15 | Daniel E Kramer | Refrigeration systems including evaporator with 2 speed fan motor |
| FR2252540A1 (en) * | 1973-11-27 | 1975-06-20 | Air Ind | Monobloc cooling unit for air conditioning system - supplies coolant to heat exchangers via balancer device |
| FR2279040A1 (en) * | 1974-07-17 | 1976-02-13 | Bernier Jacques | Reversible cycle heat pump - distributor valves change flow for summer or winter operation combined with water and air temp control |
| FR2287664A1 (en) * | 1974-10-11 | 1976-05-07 | Granryd Eric | OPERATING PROCEDURE OF A REFRIGERATOR AND APPARATUS FOR THE APPLICATION OF THE SAID PROCESS |
| FR2317598A1 (en) * | 1975-06-26 | 1977-02-04 | Bosch Gmbh Robert | Central heating and hot water system - has evaporator and condenser with air inlet and outlet openings not affecting building and environment |
| DE2536124A1 (en) * | 1975-08-13 | 1977-02-17 | Linde Ag | Air conditioning device for rooms - has branch pipe from air input channel with condenser of cooling plant situated within |
| DE2638408A1 (en) * | 1975-08-29 | 1977-03-03 | Nordkyl Fa | Air circulation unit for refrigerating systems - has cooling channel with air deflectors for cooling or heating |
| FR2328928A1 (en) * | 1975-10-22 | 1977-05-20 | Energietechnik Gmbh | HEAT RECOVERY AND SIMULTANEOUS EXPLOITATION OF AIR ENERGY AND SOLAR ENERGY |
| US4230470A (en) * | 1977-01-21 | 1980-10-28 | Hitachi, Ltd. | Air conditioning system |
| EP0019124A1 (en) * | 1979-05-16 | 1980-11-26 | Siemens Aktiengesellschaft | Heat pump and process for operating the same |
| DE2929070A1 (en) * | 1979-07-18 | 1981-01-22 | Helmut Weber | Building heat recovery method - uses air heated in cavity wall, to supply heat pump |
| US4259848A (en) * | 1979-06-15 | 1981-04-07 | Voigt Carl A | Refrigeration system |
-
1981
- 1981-04-09 FR FR8107521A patent/FR2503841A1/en not_active Withdrawn
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2196778A (en) * | 1939-09-05 | 1940-04-09 | Johnson Service Co | Refrigeration |
| US2229301A (en) * | 1939-10-27 | 1941-01-21 | Honeywell Regulator Co | Refrigeration control system |
| US2626506A (en) * | 1947-05-28 | 1953-01-27 | Nathalie L Dickieson | Refrigeration control mechanism |
| US3003332A (en) * | 1957-10-07 | 1961-10-10 | John E Watkins | Control means for refrigerating system |
| BE751598A (en) * | 1970-06-08 | 1970-12-08 | Acec | HEATING AND COOLING SYSTEM |
| US3877243A (en) * | 1973-09-27 | 1975-04-15 | Daniel E Kramer | Refrigeration systems including evaporator with 2 speed fan motor |
| FR2252540A1 (en) * | 1973-11-27 | 1975-06-20 | Air Ind | Monobloc cooling unit for air conditioning system - supplies coolant to heat exchangers via balancer device |
| FR2279040A1 (en) * | 1974-07-17 | 1976-02-13 | Bernier Jacques | Reversible cycle heat pump - distributor valves change flow for summer or winter operation combined with water and air temp control |
| FR2287664A1 (en) * | 1974-10-11 | 1976-05-07 | Granryd Eric | OPERATING PROCEDURE OF A REFRIGERATOR AND APPARATUS FOR THE APPLICATION OF THE SAID PROCESS |
| FR2317598A1 (en) * | 1975-06-26 | 1977-02-04 | Bosch Gmbh Robert | Central heating and hot water system - has evaporator and condenser with air inlet and outlet openings not affecting building and environment |
| DE2536124A1 (en) * | 1975-08-13 | 1977-02-17 | Linde Ag | Air conditioning device for rooms - has branch pipe from air input channel with condenser of cooling plant situated within |
| DE2638408A1 (en) * | 1975-08-29 | 1977-03-03 | Nordkyl Fa | Air circulation unit for refrigerating systems - has cooling channel with air deflectors for cooling or heating |
| FR2328928A1 (en) * | 1975-10-22 | 1977-05-20 | Energietechnik Gmbh | HEAT RECOVERY AND SIMULTANEOUS EXPLOITATION OF AIR ENERGY AND SOLAR ENERGY |
| US4230470A (en) * | 1977-01-21 | 1980-10-28 | Hitachi, Ltd. | Air conditioning system |
| EP0019124A1 (en) * | 1979-05-16 | 1980-11-26 | Siemens Aktiengesellschaft | Heat pump and process for operating the same |
| US4259848A (en) * | 1979-06-15 | 1981-04-07 | Voigt Carl A | Refrigeration system |
| DE2929070A1 (en) * | 1979-07-18 | 1981-01-22 | Helmut Weber | Building heat recovery method - uses air heated in cavity wall, to supply heat pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0180904A2 (en) * | 1984-11-03 | 1986-05-14 | Bitzer Kühlmaschinenbau GmbH & Co. KG | Cooling device |
| EP0180904A3 (en) * | 1984-11-03 | 1986-10-08 | Bitzer Kuhlmaschinenbau Gmbh & Co. Kg | Cooling device |
| FR2775339A1 (en) * | 1998-02-24 | 1999-08-27 | Jf Cesbron Holding Soc | Compression type refrigerating system. |
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