FR3049693A1 - BUILDING DEVICE COMPRISING A THERMALLY RECHARGED FLUID STORAGE MEMBER - Google Patents

Abstract

The building device comprises a storage element (1) for a first fluid, a circulation circuit (2) for circulating the first fluid connected to said storage element (1), and a heat pump (3) comprising an evaporator (4). ) and a condenser (5). The circuit (2) has at least one simultaneous charge configuration of a cold first fluid storage portion (Z1) within the storage element (1) and a first hot fluid storage portion (Z2 ) within the storage element (1). In the simultaneous charging configuration, the heat pump (3) is configured to form a cold source at the evaporator (4) for participating in the charge of the cold first fluid storage portion (Z1) and a a hot source at the condenser (5) for taking part in the charge of the first hot fluid storage part (Z2) when the first fluid from the storage element (1) is circulated in the circuit (2 ).

Description

Building device comprising a fluid storage element to be thermally recharged

Field of the Invention [001] The invention relates to the field of thermal management within a building.

[002] More particularly, the invention is concerned with a device comprising a storage element configured to store hot and cold, and at least one method for charging storage portions of first cold fluid and first hot fluid , in particular to meet the needs at the building level.

State of the art [003] In the field of building, there are needs such as heating or cooling the building, for example to improve the comfort of building occupants, or for technical reasons in tertiary buildings , and / or such as the supply of domestic hot water within the building. In some cases, these temperature control needs may be accurate as in hospitals or laboratories.

[004] For this, it is particularly known heating systems and hot water production by heat pump and solar collector as described in FR2899671. However, such a system although reversible is not satisfactory in the sense that it does not allow appropriate storage of heat and cold for use in a management strategy of a building.

[005] There are also solutions for fractional storage of heat and cold within separate compartments as described in KR101405521. This solution could be improved to give more flexibility and / or better ergonomics to the associated system.

[006] In addition to what has been said above, there is a need to find an alternative to existing solutions.

OBJECT OF THE INVENTION [007] The subject of the invention is a building device having features enabling the needs identified above to be solved at least in part.

[008] This object tends towards this object by means of a device for building, said device comprising a storage element of a first fluid, a circulation circuit of the first fluid connected to said storage element, and a heat pump comprising an evaporator and a condenser, and in that the circuit has at least one simultaneous charge configuration of a first cold fluid storage portion within the storage member and a first hot fluid storage portion within the storage element, in the simultaneous charge configuration the heat pump is configured to form a cold source at the evaporator for participating in the charge of the cold first fluid storage portion and a hot source at the condenser for participating in the charge of the first hot fluid storage part when the first fluid from the storage element is circulated through the circuit.

In particular, in the simultaneous charge configuration of the first hot fluid storage part and the first cold fluid storage part, the circuit can be configured such that, when the first fluid from the element storage is circulated in the circuit, a first fraction of said first fluid circulating in the circuit undergoes a temperature rise induced by the use of the heat pump before being introduced into the storage element at the level of the first hot fluid storage part, and a second fraction of the first fluid flowing in the circuit undergoes a temperature decrease induced by the use of the heat pump before being introduced into the storage element at the level of the part storage of first cold fluid.

According to one embodiment, the device may comprise a circulation loop of a second fluid, said loop being associated with: the evaporator of the heat pump so as to cool the second fluid when the heat pump is used; and a first heat exchanger through which, in the simultaneous charge configuration, the second fraction of the first fluid passes so that said second fraction of the first fluid undergoes, at said first heat exchanger, said temperature decrease related to the use of the heat pump using the second fluid after passing through the evaporator.

In particular, said loop is associated with a second heat exchanger, in particular associated with a fan, for heating the second fluid after its cooperation with the evaporator of the heat pump and before the passage of said second fluid in the first heat exchanger thermal.

According to one implementation, in the simultaneous charge configuration, and when the first fluid from the storage element is circulated in the circuit, the heat pump comprises a refrigerant flowing between the evaporator of the heat pump and the condenser of the heat pump, said heat pump being configured so that the refrigerant: releases its heat at the condenser to the first fraction of the first fluid; and takes heat from the second fluid so that the latter fluid participates in cooling the second fraction of the first fluid.

Advantageously, the storage element of the first fluid is thermally stratified and comprises a reservoir having a space filled with the first fluid and comprising both the hot first fluid storage portion and the first cold fluid storage portion. whose volumes are adaptable.

For example, the reservoir space has a first fluid intermediate storage portion located between the first hot fluid storage portion and the first cold fluid storage portion, and in the simultaneous charge configuration, the device comprises a sampling system configured so that the first fluid from the storage element and flowing in the circuit comes from the intermediate storage part.

According to one embodiment, the circuit is able to adopt at least one of the following additional configurations: a charge configuration of the first hot fluid storage part alone in which the circuit is configured so that when the first fluid issuing from the storage element circulates in the circuit, said first fluid flowing in the circuit is directed into the circuit so as to undergo a temperature rise induced by the condenser of the heat pump before being introduced into the storage element at the first hot fluid storage portion; a charge configuration of the first cold fluid storage portion alone in which the circuit is configured such that when the first fluid from the storage element flows in the circuit, said first fluid flowing in the circuit is directed in the circuit so as to undergo a temperature decrease caused by a second fluid flowing in a circulation loop of the device before being introduced into the storage element 1 at the level of the first cold fluid storage part, in this charging configuration of the first cold fluid storage part only the heat pump is either turned off or turned on to participate in the temperature decrease; a distribution pattern of the first fluid from the storage element in which the heat pump is deactivated, and wherein the circuit is configured to transmit said first fluid from the storage element to a building distribution network and for receiving said first fluid after it has circulated in the building distribution network for injection at least in part into the storage element; and the device comprises a control module configured to select one of said configurations selected between the simultaneous charge configuration and the at least one of said additional configurations, and configured to modify the flow of the first fluid within the circuit so as to put implement the selected configuration.

In particular, the control module comprises a function taking as input at least one of the following parameters: a parameter representative of a forecast of sunshine; a parameter representative of the outside temperatures of day and night to come; a parameter representative of the cost of the electricity used in the event of fluctuation of said cost over time; a parameter representative of the customers' behavior; a parameter indicating the presence of client (s) within the building; and said function outputs the selected configuration.

According to a particular embodiment, the circuit comprises an output intended to be connected to an input of a distribution network of the building and an input intended to be connected to an output of the distribution network of the building, said circuit further comprising a first section connected, on the one hand, to the storage element and, on the other hand, to the input of the circuit, this first section comprises a first pump and a first branch formed in parallel with the first pump; a second section connected, on the one hand, to the storage element at the first hot fluid storage portion of the storage element, and connected, on the other hand, to the output of the circuit, said second section comprising between the storage element and the output of the circuit the following successive elements: a first valve, a second pump associated with a second branch formed in parallel with the second pump, a second valve, a third pump capable of sending, when it is activated, the first fluid in the distribution network of the building; a third section connected, on the one hand, to the first section and, on the other hand, to the second valve, said third section being associated with the condenser of the heat pump; a fourth section connected, on the one hand, to the first section, preferably between the first pump and the third section, and, on the other hand, to a third valve, the device comprising a circulation loop of a second fluid, in particular brine, this loop comprising a fourth pump for circulating the second fluid so that it cooperates successively with the evaporator of the heat pump, then a second air heat exchanger for the purpose of increase its temperature, in particular coupled to a fan, then a first heat exchanger associated with the fourth section, before returning to the evaporator; a fifth section, comprising the third valve, connected, on the one hand, to the storage element at the cold first fluid storage portion and, on the other hand, to the second section between the first valve and the second valve; pump ; a sixth section connected, on the one hand, to the first section and, on the other hand, to the first valve; the device comprising a control module (19) configured to control the state of the first, second, third and fourth pumps, the state of the first and second branches, the state of the first, second, third and third valves; state of the heat pump according to a desired configuration of the circuit.

The invention also relates to a management method of a device for building, said device comprising a storage element of a first fluid, such a method comprises a first mode of operation comprising a step of simultaneous charging of a device. a first cold fluid storage part within the storage element and a first hot fluid storage part within the storage element, said simultaneous charging step comprising a first fluid sampling step from the storage element so as to circulate it in a circulation circuit of the first fluid and a step of using a heat pump comprising a condenser and an evaporator.

Furthermore, the simultaneous charging step may comprise the following steps: a step of raising the temperature of a first fraction of the first fluid flowing in the circuit induced by the step of using the pump. heat followed by a step of introducing the first fraction into the storage element at the first hot fluid storage portion of the storage element; a step of reducing the temperature of a second fraction of the first fluid flowing in the circuit induced by the step of using the heat pump followed by a step of introducing the second fraction into the storage element at the cold first fluid storage portion of the storage element.

According to a particular embodiment, the method comprises in addition to the first mode of operation, at least one of the following additional operating modes: a second mode of operation comprising a step of charging the storage portion of first hot fluid alone comprising a step of sampling the first fluid from the storage element so as to circulate it in the circuit so that it undergoes a temperature rise induced by the condenser of the heat pump followed by a step of introducing said first fluid taken from the storage element at the first hot fluid storage portion; a third mode of operation comprising a step of charging the cold first fluid storage portion only comprising a first fluid sampling step from the storage element so as to circulate it in the circuit so that it undergoes a decrease in temperature during a passage of said first fluid taken from a heat exchanger coupled to a second fluid of temperature lower than that of said first fluid taken, followed by a step of introducing said first fluid taken from the element of storing at the first cold storage portion of the storage element; a fourth mode of operation in which the heat pump is deactivated, and comprising a step in which the circuit transmits the first fluid from the storage element to a distribution network of a building and receives said first fluid after it has circulated in a distribution network of the building for the purpose of injecting it at least partly into the storage element. Furthermore, the method then comprises a control step configured to select an operating mode selected from the first operating mode and the at least one additional operating mode, and configured to implement said selected operating mode.

In particular, the control step comprises the use of a function taking as input at least one of the following parameters: a parameter representative of a forecast of sunshine; a parameter representative of the day and night temperatures to come; a parameter representative of the cost of the electricity used in the event of fluctuation of said cost over time; a parameter representative of the customers' behavior; a parameter indicating the presence of client (s) within the building, and the function outputs the selected operating mode.

The invention also relates to an installation comprising a building provided with a fluid distribution network in particular for heating and / or cooling said building, characterized in that it comprises a device as described connected to the distribution network for distributing the first fluid from the storage element within the distribution network.

Brief description of the figures [0023] The invention will be better understood on reading the following description, given solely by way of nonlimiting example, and with reference to the drawings in which: FIG. 1 schematically illustrates a device according to an embodiment of the invention, the fluid circulation circuit of which allows simultaneous charging of first fluid hot and cold storage parts within the same storage element; FIG. additional configuration of the circuit allowing a single charge of the first hot fluid storage part, - Figure 3 illustrates an additional configuration of the circuit allowing a single charge of the first cold fluid storage part, - Figure 4 illustrates an alternative of FIG. 5 illustrates a first state of an additional configuration of the circuit allowing a distribution of hot fluid, FIG. be a second state of an additional configuration of the circuit for a cold fluid distribution, - Figure 7 illustrates a device comprising a particular circuit adapted to adapt to different configurations, - Figure 8 illustrates the device of Figure 7 in the configuration of the circuit allowing simultaneous charging, - Figure 9 illustrates the device of Figure 7 in the configuration of the circuit for a load of hot only, - Figure 10 illustrates the device of Figure 7 in the circuit configuration allowing a cooling load only, - Figure 11 illustrates the device of Figure 7 in the circuit configuration for the distribution of first hot fluid in the distribution network, - Figure 12 illustrates the device of Figure 7 in the circuit configuration allowing the distribution of first cold fluid in the distribution network, - Figure 13 illustrates the device of Figure 7 da ns a charging alternative of the first cold fluid storage part alone, - Figure 14 illustrates steps of implementation of a method according to an embodiment of the invention, - Figure 15 illustrates steps of implementation of a particular mode of implementation of the method.

In these figures, unless otherwise specified, the same references are used to designate the same elements.

DESCRIPTION OF PARTICULAR EMBODIMENTS The device described below differs from the prior art in that it notably proposes the use of a circulation circuit of a first fluid associated with a storage element of the first fluid. fluid, this circuit being configured to allow simultaneous charging of hot and cold storage element. In other words, the storage element has a cold first fluid storage portion and a hot first fluid storage portion. These two storage portions may be delimited by two separate compartments. The storage element is preferably thermally stratified and in this case, the thermal stratification storage element comprises a single compartment - also called reservoir - defining a first fluid storage volume including in particular both the storage portions of first hot fluid and first cold fluid. In other words, the thermal stratification makes it possible to have within the same compartment the first cold fluid storage portion and the first hot fluid storage portion without fractionation in two distinct compartments of the first fluid: the principle of the first fluid is then used. density of the fluid as a function of its temperature. In the context of the thermally stratified storage element, it is understood that the hot and cold first fluid storage portions are variable volumes dependent on the state of the first fluid in the storage element.

The concept of hot / cold is to be taken in the broad sense in the sense that it is considered that in the storage portion of first cold fluid, the first fluid has a lower temperature than the first fluid located in the storage portion of first hot fluid. In particular, in part of storage of first hot fluid, the first fluid preferably has a temperature between 60 ° C and 80 ° C, and in part of cold first fluid storage the first fluid preferably has a temperature between 10 ° C and 20 ° C. In the case of the thermally stratified storage element, the storage portions of the first hot fluid and the first cold fluid can be separated by an intermediate storage part of the first fluid, especially whose lower temperature is greater than the upper temperature of the first fluid. the cold first fluid storage portion and the upper temperature is lower than the lower temperature of the first hot fluid storage portion. In this intermediate zone, the first fluid has a temperature preferably between 20 ° C and 60 ° C.

Subsequently, it will be used the terms "charge of the cold first fluid storage part" or "charge of the first hot fluid storage part". By "charge of the first cold fluid storage part" is meant injection / introduction into the first fluid storage element having a temperature included in, or less than, the temperature range associated with the storage zone of the first fluid. first cold fluid. When we speak of the introduction of first cold fluid into the storage element at a cold first fluid storage part, it is a preferentially direct introduction into this first fluid storage part. cold, especially in the lower part of the storage element if the latter is of thermal stratification type. By "charge of the hot first fluid storage part" is meant the injection / introduction into the fluid storage element having a temperature greater than, or within, the temperature range associated with the storage portion of the fluid storage part. first hot fluid. When we speak of the introduction of first hot fluid into the storage element at a first hot fluid storage part, it is a preferentially direct introduction into this first fluid storage part. hot, especially in the lower part of the storage element if the latter is of thermal stratification type.

The first fluid stored in the storage element may, depending on the needs, be used in a distribution network of a building (individual or collective) for example to heat domestic hot water, circulate in a system heating or cooling of the distribution network, etc.

Figure 1 schematically illustrates a device for building, especially for the thermal management of the building. Such a device comprises a storage element 1 of a first fluid, a circulation circuit 2 for circulating the first fluid connected to said storage element 1, and a heat pump 3 comprising an evaporator 4 and a condenser 5. The first fluid is preferentially some water. Circuit 2 comprises at least one configuration (visible in FIG. 1) of simultaneous charging of a cold first fluid storage part Z1 within storage element 1 and a first hot fluid storage part Z2 at within the storage element 1 by using the heat pump 3 and circulating first fluid from the storage element 1 in the circuit 2. This circulation can be performed by a first pump 6 of the circuit 2. In fact, by "use of the heat pump 3" is meant that the heat pump 3 is configured to form, in the simultaneous charging configuration, a cold source at the evaporator 4 intended to participate in the charge of the cold first fluid storage part Z1 and a hot source at the condenser 5 intended to participate in the charge of the first hot fluid storage part Z2 when the first fluid from the first fluid element storage 1 is put into circulation in the circuit 2.

In the present description, by "circulation of a fluid", in particular of the first fluid, is meant a movement or a flow of the first fluid in particular within the circuit 2.

In the illustrated example, it is shown the storage element 1 of thermal stratification type preferably further comprising the intermediate storage portion Z3. Due to the density of the first fluid in the storage element the Z2 portion is located above the Z1 part, and where appropriate the Z3 part is located between the Z1et Z2 parts.

The storage element 1, in particular when it is thermally stratified, may comprise a ramp 7 for injecting first fluid into the storage element 1 or sampling the first fluid from the storage element 1 The injection or sampling ramp 7 may be of the type that selectively enables the first fluid to be taken from a suitable zone of the storage element 1 or to inject the first fluid into a suitable zone of the storage element 1. This can be implemented by the use of actuators and temperature sensors, or by known alternative technical solutions exploiting the differences in density of the first fluid stored in the storage element 1 as a function of its temperature for inject or take the first fluid at the right place.

It is understood from what has been said previously, that in the simultaneous charging configuration, the heat pump 3 is arranged in such a way that its operation induces the heating of a first fraction of the first fluid flowing in the circuit 2 and inducing the cooling of a second fraction of the first fluid flowing in the circuit 2. More particularly, in the simultaneous charge configuration of the first hot fluid storage part Z2 and the first cold fluid storage part Z1, the circuit 2 is configured such that, when the first fluid from the storage element 1 is circulated in the circuit 2, a first fraction of said first fluid flowing in the circuit 2 undergoes a temperature rise induced by the use of the heat pump 3 before being introduced into the storage element 1 at the first hot fluid storage part Z2 and a second fraction of said first fluid flowing in the circuit 2 undergoes a temperature decrease induced by the use of the heat pump 3 before being introduced into the storage element 1 at the level of the first cold fluid storage part Z1. To implement this, the circuit 2 may include, in its simultaneous charging configuration, a first pipe element 8 connected to the storage element 1, in particular to the ramp 7, and associated with the first pump 6 enabling the in circulation of first fluid in the first pipe element 8. This first pipe element 8 is connected, in particular at its end opposite the storage element 1, to a second pipe element 9 intended to receive the first fraction of the first fluid and cooperating with the condenser 5, which results in the temperature increase of the first fraction when the heat pump 3 is active and the first fluid flows in the circuit 2. The second pipe element 9 may comprise two parts each clamped to a heat exchanger of the condenser 5 so as to allow the passage of first fluid through the condenser and more particularly the e heat exchanger of the condenser 5 for a heat exchange between the fluid of the heat pump and the first fluid. After the condenser 5, the second pipe element 9 joins the storage element 1, in particular at the top to allow direct introduction of the first fraction of the first fluid into the first hot fluid storage portion Z2. Furthermore, the circuit 2 comprises in this simultaneous charging configuration, a third pipe element 10 connecting the first pipe element 8 to the storage element 1. This third pipe element 10 is intended to receive the second fraction of the first fluid and cooperates directly or indirectly with the evaporator 4. The direct cooperation of the third pipe element 10 with the evaporator 4 (not shown) can be difficult depending on the case in the sense that there is a risk of freezing the second fraction of the first fluid according to the heat pump 3 used. To avoid this, it is preferred the use of an additional element using a second fluid, in particular of the brine type, which will be cooled by the evaporator 4 and optionally reheated to a temperature compatible with the desired cooling of the second fraction of the first fluid. The piping elements of Figure 1 are arrowed to give the indication of first fluid circulation in the circuit 2. The advantage of the brine is that it freezes at temperatures colder than those of normal water this may be the case in the case of a hot load alone, as will be described hereinafter with reference to FIG. 2. For example, the second fluid may be subjected to temperatures of the order of -15.degree. must remain liquid at these temperatures.

The additional element that may comprise the device and referred to above may in fact be a circulation loop 11 of the second fluid (the arrow of Figure 1 at the loop 11 indicates the flow direction of the second fluid ), the loop 11 being associated with the evaporator 4 of the heat pump 3 so as to cool the second fluid when the heat pump 3 is used (the loop 11 can then pass through the evaporator 4, that is to say ie to be thermally coupled to the evaporator 4). The loop 11 is also associated with a first heat exchanger 14, in particular of liquid-liquid type (that is to say first fluid-second fluid), then traversed by the second fluid and through which passes in the charge configuration simultaneously, the second fraction of the first fluid (especially via the third pipe element 10) so that the second fraction of the first fluid undergoes, at said first heat exchanger 14, said temperature decrease related to the use of the pump with heat 3 using the second fluid after passing through the evaporator 4. The loop 11 may also be associated with a second heat exchanger 12 (which it passes through in FIG. 1), in particular associated with a fan 13, for heating the second fluid after its cooperation with the evaporator 4 of the heat pump 3 and before it passes through the first heat exchanger 14. The second heat exchanger 12 is in particular air-liquid type, where the air can be outside air ventilated by the fan 1 or ventilated air from a VMC). In some cases, when it is desired to improve the cold load and the second fluid at the outlet of the evaporator 4 has a temperature adapted for cooling the first fluid at the first heat exchanger 14, the second heat exchanger 12 and the fan 13 is not necessary. For this, and to provide a great flexibility of use, the loop 11 may comprise a bypass 11a of the second fluid in parallel with the second heat exchanger 12, this bypass 11a being configured so as to have a first state in which the second fluid flows. in the bypass but not in the second heat exchanger 12 and a second state in which the second fluid passes into the second heat exchanger 12. According to this embodiment, the decrease in the temperature of the second fraction is induced by the heat pump. 3 but uses a second fluid as an intermediate as well as heat exchangers. In particular, the circulation loop 11 associated with the second exchanger 12 itself associated with the fan 13 provide an aerothermal function of the heat pump 3. This fan 13 may only work in certain cases, for example when looking for to perform a charge of the hot fluid storage portion alone as will be described hereinafter with reference to FIG. 2. As mentioned, the fan 13 may be used to send outside air to the second heat exchanger 12 or air from a controlled mechanical ventilation (VMC). The loop 11 may comprise a pump 15 allowing the second fluid to circulate so that the latter can successively cooperate with the evaporator 4, if necessary with the second heat exchanger 12 and, where appropriate, with the first heat exchanger 14. "Outside air" means air from outside the building.

More particularly, in the simultaneous charge configuration, and when the first fluid from the storage element 1 is circulated in the circuit 2, the heat pump 3 comprises a refrigerant flowing between the evaporator 4 of the heat pump 3 and the condenser 5 of the heat pump 3, said heat pump being configured so that the refrigerant: • releases its heat at the condenser 5 to the first fraction of the first fluid, and • takes heat from the second fluid so that the latter fluid participates in cooling the second fraction of the first fluid.

Conventionally, the heat pump comprises a compressor 3a (for increasing the pressure of the refrigerant) and a pressure reducer or expansion member 3b (to lower the pressure of the refrigerant).

As mentioned above, the storage element 1 of the first fluid is preferably thermally stratified and comprises a reservoir 1a having a space filled with the first fluid and comprising both the hot first fluid storage part Z2 and the part first cold storage tank Z1 whose volumes are adaptable. In other words, it is possible to configure the circuit 2 so that the first fraction of the first fluid is equal to, larger or less important than the second fraction of the first fluid, which results in the charges of the storage part of the first fluid. first cold fluid and the first hot fluid storage portion can be adapted as needed. Furthermore, the reservoir space may comprise the intermediate storage part Z3 of the first fluid situated between the first hot fluid storage part Z2 and the cold first cold storage part Z1, and preferably in the charge configuration simultaneous, the device comprises a sampling system (the ramp 7 mentioned above) configured so that the first fluid from the storage element 1 and flowing in the circuit 2 comes from the intermediate storage part Z3, this allows use a part of the first fluid whose temperature is between the temperature of the Z1 part and the temperature of the Z2 part so as to balance the production of hot and cold by limiting the intake of frigories or calories to the first fluid and therefore by limiting power consumption during simultaneous charging. According to an alternative, the storage element 1 may comprise a plurality of storage compartments 1 with thermal stratification in fluid communication (in particular the compartments are preferably in series), the circuit being then able to adapt to recharge all the compartments as needed, which can reduce costs due to the use of existing storage elements.

Preferably, in the simultaneous charge configuration, the portion of the first fluid taken from the storage element, where appropriate in the intermediate storage zone, has a first temperature, in particular between 20 ° C. and 40 ° C. the first fraction of this first fluid part is raised to a second temperature, especially between 60 ° C and 80 ° C, higher than the first temperature, and the second fraction is treated so as to reach a third temperature, especially between 10 ° C and 20 ° C lower than the first temperature. The second fluid meanwhile is preferably such that at the inlet of the first heat exchanger 14 it has a temperature between 10 ° C and 20 ° C. These temperatures are advantageously compatible for storing hot and cold in order to supply it to a distribution network of the building. Preferably, the simultaneous charging configuration is implemented in summer where the simultaneous needs of hot and cold within the building can be important. Of course, depending on the needs, this simultaneous charging configuration can also be implemented in other seasons.

The configuration referred to above allows the advantageous simultaneous recharge of hot and cold, especially in summer, from the same operating phase of the heat pump 3, it therefore results in a cost limitation and the possibility to achieve a desired state of the storage element more quickly. Moreover, classically reloading hot with a cold aerothermal is rejected to the ambient air, so we take advantage of this cold rejected to recharge the cold without significant additional costs, including power consumption.

In some cases, depending on the needs, it may be necessary to load only the first hot fluid storage part Z2 or the first cold storage part Z1. In this sense, the circuit 2 can be configured to adopt additional configurations, that is to say complementary to the simultaneous charging configuration, and allowing the implementation of these functions. In particular, the circuit is able to adopt at least one of the additional configurations described.

FIG. 2 illustrates an additional configuration - called the charge configuration of the first hot fluid storage part Z2 alone - in which the circuit 2 is configured such that, when the first fluid issuing from the storage element 1 flows in the circuit 2, said first fluid flowing in the circuit 2 is directed in said circuit 2 so as to undergo a temperature rise induced by the condenser 5 of the heat pump 3 before being introduced into the element of storage 1 at the first hot fluid storage portion Z2. To implement this, the circuit 2 may comprise, as illustrated in FIG. 2, in its charge configuration of the first hot fluid storage part Z2 alone, the first pipe element 8 connected to the storage element 1, in particular at the ramp 7, and associated with the first pump 6 for circulating the first fluid in the first pipe element 8. This first pipe element 8 is connected to the second pipe element 9 for receiving the first fluid flowing in. the circuit and cooperating with the condenser 5, which results in the temperature increase of the first fluid when the heat pump 3 is active. After cooperating with the condenser 5, the second pipe element 9 joins the storage element 1, especially in the upper part, to allow the direct introduction of the first fluid into the first hot fluid storage portion Z2. For the operating needs of the heat pump 3, the evaporator 4 of the latter may be associated with the loop 11, the second fluid of which is circulated by the loop pump 11. This time the loop 11 is associated at the evaporator 4 and at least the second heat exchanger 12 in particular associated with a fan 13 so as to heat the second fluid. In winter, preferably, the first fluid taken from the storage element 1 (where appropriate in the intermediate storage zone) has a temperature of between 20 ° C. and 60 ° C. and the second heat exchanger 12 is configured to adjust the temperature of the second fluid after its passage in the evaporator 4 between -10 ° C and 10 ° C to improve the operation of the evaporator 4 during the return of the second fluid through the latter (if the outside temperature is too cold , the fan 13 will not send outside air but rather the recycled air of a VMC to heat the second fluid at the second heat exchanger 12), the condenser 5 then allows to heat the first circulating fluid in the circuit 2 at the condenser 5 at a temperature between 60 ° C and 80 ° C before the latter is injected into the storage element 1 at the first storage portion e hot fluid Z2. In summer, preferably, the first fluid taken from the storage element, where appropriate in the intermediate storage zone, has a temperature between 20 ° C and 40 ° C and the second heat exchanger 12 is configured to adjust the temperature. temperature of the second fluid after its passage through the evaporator 4 between 10 ° C and 20 ° C to improve the operation of the evaporator 4 during the return of the second fluid through the latter.

FIG. 3 illustrates another additional configuration - also called the charge configuration of the first cold fluid storage part Z1 alone or case 1 - in which the circuit 2 is configured such that, when the first fluid coming from the storage element 1 flows in the circuit 2, said first fluid flowing in the circuit 2 is directed in the circuit 2 so as to undergo a temperature decrease caused by the second fluid flowing in the loop 11, in particular by activation of the loop pump 15, before being introduced into the storage element 1 at the first cold storage part Z1. The device may comprise the second heat exchanger 12 in which the loop 11 passes and configured to reduce the temperature of the second fluid before it is increased by heat exchange between the first fluid flowing in the circuit 2 and the second fluid circulating in the loop 11 at the first heat exchanger 14 of the device then traversed by the first and second fluids. In other words, here the loop 11 passes through the second heat exchanger 12, in particular associated with a fan 13 which ventilates air, especially outside the building, on the second heat exchanger 12, the purpose of which is to cool the second fluid, before this the latter passes into the first heat exchanger 14 which also receives a portion of the circuit 2 so that the first heat exchanger 14 can take heat from the first fluid flowing in the circuit 2 - thus lowering the temperature of the first fluid - to transmit them to the second fluid. Here, the circuit 2 comprises the first pump 6 which makes it possible to take the first fluid from the storage element 1, in particular via the ramp 7, before reinjecting it at the level of the cold first fluid storage part Z1. To implement this, the circuit 2 may comprise, as illustrated in FIG. 3, in its charge configuration of the cold first fluid storage part Z1 alone, the first pipe element 8 connected to the storage element 1, in particular at the ramp 7, and associated with the first pump 6 for circulating the first fluid in the first pipe element 8. This first pipe element 8 is connected to the third pipe element 10 for receiving the first fluid flowing in. the circuit 2 and associated with the first heat exchanger 14, which results in the temperature decrease of the first fluid when the circulation loop 11 is active and the fan 13 is active. The arrows shown at the piping elements represent the flow direction of the first fluid in the circuit 2. The arrows shown at the circulation loop 11 represent the flow direction of the second fluid. It is clear that this configuration can only work if the temperature of the second fluid after passing through the second heat exchanger 12 is lower than the temperature of the first fluid flowing in the circuit 2 upstream of the first heat exchanger 14. This is for that this charging configuration of the first cold-fluid storage part alone is preferred in winter or summer when outside temperatures permit it. Alternatively, this configuration also makes it possible to reduce the overall mean temperature of the first fluid in the storage element 1 by reloading the cold fluid storage part with a low efficiency before activating the simultaneous charging configuration with a better efficiency. Preferably, in summer, the first fluid taken from the storage element 1, if necessary from the intermediate storage zone, has a temperature between 20 ° C and 40 ° C while the second heat exchanger 12 is configured to adjusting the temperature of the second fluid between 15 ° C and 25 ° C so that the latter can cool the first fluid flowing in the circuit at the first heat exchanger 14 at a temperature between a temperature below 20 ° C and a temperature of 30 ° C (more particularly the temperature of the first fluid after passing through the first heat exchanger will also be greater than 15 ° C to be compatible with the above-mentioned temperature range of the second fluid) before it is introduced into the storage element at the cold first fluid storage portion Z1.

FIG. 4 illustrates an alternative embodiment of the charge configuration of the cold first fluid storage part Z1 alone (or case 2) of FIG. 3 in which the heat pump 3 is added again. In this case, the evaporator 4 of the heat pump 3 is associated with the circulation loop 11 between the pump 15 and the second exchanger 12 so as to reduce the temperature of the second fluid more efficiently, and especially even in summer when the outside temperatures are incompatible with a function of refilling cold from aerothermal: elements 12 and 13 of Figure 3. In this case, it is also understood that if the second fluid after passing through the evaporator 4 has a temperature adapted to cool the first fluid at the first exchanger 14 without freezing, the loop 11 may include the bypass 11a which can be activated to prevent the passage of second fluid through the second heat exchanger 12. Moreover, because of the operation of the heat pump 3, it is necessary to dissipate heat from the condenser 5 of the heat pump. For this, it is possible to use an additional loop 100 passing through the condenser 5 and comprising a pump 101 for circulating a third fluid whose direction of flow is arrow in said additional loop 100. The additional loop 100 is also associated with a third heat exchanger 102 associated with a fan 103 so that the fan 103 sends air to cool the third heat exchanger 102 to cool the third fluid before it passes through the condenser 5.

It is understood cases 1 and 2 that in the charge configuration of the cold fluid storage part alone, the heat pump 3 is either activated to participate in the temperature reduction, or deactivated.

It has been described above configurations of the circuit 2 for managing the state of the storage element 1. As mentioned above, this storage element 1 is intended to be used to provide calories or frigories to the building. For this, the circuit 2 can adopt, as illustrated in FIGS. 5 and 6, an additional configuration known as the distribution of the first fluid coming from the storage element 1 in which the heat pump 3 is deactivated (it is therefore not shown in FIG. FIGS. 5 and 6 because having no influence), and in which the circuit 2 is configured to transmit said first fluid coming from the storage element 1 to a distribution network 16 of the building and to receive said first fluid after it has circulated in the distribution network of the building 16 in order to inject it at least partially into the storage element 1, in particular via the ramp 7 which makes it possible to inject the first return fluid of the distribution network 16 directly in a portion of the zone adapted to the temperature of said first fluid to be injected.

FIG. 5 illustrates a first state of the distribution configuration in which it will be sought to supply calories to the distribution network 16, for example to heat a domestic hot water tank 17 (in particular in summer and in winter) and / or for heating parts of the building (especially in winter) via a heating system 18. In this example, the circuit 2 adopts a configuration such that it takes the first fluid in the hot first fluid storage part Z2 and the transfer to the distribution network 16 before recovering it and injecting at least a part of it into the ramp 7, and possibly as illustrated by having it re-circulate a part by re-injecting it after passing through the distribution network 16 in a pipe element connecting the storage element 1 and the distribution network 16. In this figure 5, the arrows indicate the flow direction of the first fluid. Preferably, in the first state of the dispensing configuration, the first fluid taken from the first hot fluid storage portion Z2 has a temperature of between 60 ° C and 80 ° C, and the first fluid returning to the circuit 2 after its path in the distribution network 16 has a temperature between 20 ° C and 40 ° C.

FIG. 6 illustrates a second state of the distribution configuration in which it will be sought to supply frigories to the distribution network 16, especially in summer, for example to cool / air-condition rooms of the building via the heating system 18 which is then called "reversible". In this figure 6, the arrows indicate the flow direction of the first fluid. Preferably, in the second state of the distribution configuration, the first fluid taken from the cold first fluid storage part Z1 has a temperature of between 10 ° C. and 20 ° C., and the first fluid returning to the circuit 2 after its path in the distribution network 16 has a temperature between 20 ° C and 40 ° C. In particular, after passing through the distribution network, the first fluid is injected again into the storage element 1, in particular via the ramp 7.

It follows from all the configurations given above for the circuit 2 that a same device can be configured to achieve them. In this sense, the device may comprise a control module 19 configured to select one of said configurations (among those available, that is to say at least the simultaneous charging configuration and at least one (in particular all) additional configurations described) and configured to change the flow of the first fluid within the circuit 2 so as to implement the selected configuration. This results in a great adaptability of the device compared to the prior art known. In FIGS. 1 to 6, this control module is represented by way of example by a wireless remote control 19, but any type of module making it possible to control the states of different elements constituting the circuit 2 and the device can be used.

Advantageously, the control module 19 comprises a function taking as input at least one of the following parameters: a parameter representative of a forecast of sunshine; a parameter representative of the outside temperatures of day and night to come; a parameter representative of the cost of the electricity used in the event of fluctuation of said cost over time; a parameter representative of the customers' behavior; a parameter indicating the presence of client (s) within the building; and outputting the selected configuration.

By customer (s) is meant in this description of people who can evolve within the building.

The representative parameter of the forecast sunlight allows, for example in summer if strong sunlight is provided, to operate the device at night at least part of the time in charge of cold alone (especially if the outside temperature allows it ) to ensure a sufficient volume of the cold first fluid storage portion, especially such that the volume of the first cold fluid storage portion is larger than the volume of the first hot fluid storage portion. This forecast can be determined from a suitable model, for example at the current season, or from a communication to a database (for example a weather website) containing the appropriate information.

The representative parameter of the outside temperatures of day and night to come can be determined using a suitable model, for example in the current season, or from a communication to a database (for example a weather website) containing the appropriate information. By knowing such a parameter representative of the outside temperatures of day and night to come it is possible to: • In winter, let us know when the yield of the loop 11 according to the price of the kilowatt-hour of the energy necessary to feed it will be more interesting to load the storage element. Indeed, if the outside temperature becomes too cold, the efficiency of the loop deteriorates sharply, and it may be interesting to load the storage element at another time of the day or wait the day after tomorrow if, for example, it remains sufficient sanitary hot water available in the distribution network, • In winter choose the additional configuration of single charge of the first cold storage part at the moment when it is known that the external temperature to which the second refrigerant is subjected heat exchanger is the lowest (we obtain a better yield and therefore a lower price per kWh), • Know the forecast temperatures to define how much heat will be stored in winter for heating and in summer how much first cold fluid it will be necessary to store to properly cool the building the day: we can then define a strategy of ch arge in hot and cold storage element.

The representative parameter of the cost of the electricity used in case of fluctuations of the latter over time can be used to adapt the charging strategy of the storage element in a cost-limiting manner. This is particularly advantageous in the case where the rates fluctuate according to the days: one adapts thus the control according to the costs and the returns of the load.

The representative parameter of the behavior of the customers can be used to anticipate the habitual behaviors of the customers according to the climatic conditions (for example via a self-adaptive system which evaluates and evolves according to the uses). For example, by using a behavioral study of clients associated with a past day, it is possible to anticipate the needs if one knows in advance that the conditions of this past day will recur.

Regarding the parameter indicating the presence of client (s), it allows for example to know if there is a real need to satisfy customers present in the building, or if it is rather not better to put the device on standby because nobody can enjoy the comfort it can provide because it is empty. This presence data can be transmitted to a man-machine box, for example via a smart mobile phone "Smartphone" or by using a calendar of presence.

The examples given in association with the parameters above are only examples of use of these parameters to select the configuration of the circuit. It is clear that other solutions based on these same parameters can be developed according to the needs.

In other words, the control strategy for selecting the configuration of the circuit 2 aims to store heat and / or cold when needed, and optimize their costs by integrating the performance of the heat pump 3, the cost of electricity, any energy losses over time. This control strategy may then need to define the sequencing of the supply of heat / cold during the day in order to limit the frequency with which the first hot and cold fluid will mix in the pipes (hot water tank recharge during the day). period when the need for "domestic" heating and refrigeration will not be present), and need to know the projected need in future weeks and the future cost of energy (availability of energy sources, costs) and needs . The forecast can use a tool integrating the parameters listed above, and in addition able to calculate thermal flows that will be requested in the next days within the building, the tool can also implement a calculation method to define the best economical solution to meet the demand for hot / cold requested in the coming days, and apply this method to define the operating strategy of the device.

It is understood from all that has been said above that there is a problem to find a circuit 2 equipped with components (valves, pumps, etc.) allowing the implementation of all or part of the various configurations mentioned previously. There is given below a particular preferred example that can be implemented. Of course, this example is not limiting in the sense that other solutions could be implemented.

FIG. 7 illustrates a particular diagram of implementation of the device in which the circuit 2 comprises an output S1 connected to an input E1 of the distribution network 16 of the building (or intended to be connected to the input E1 of the network distribution 16 of the building when the device does not include the building network) and an input E2 connected to an output S2 of the distribution network 16 of the building (or intended to be connected to the output S2 of the distribution network 16 of the building when the device does not include the building network 16). The circuit 2 then comprises a first section T1 connected, on the one hand, to the storage element 1 (in particular to the ramp 7) and, on the other hand, to the input E2 of the circuit 2, this first section T1 comprises a first pump 6, a first branch 20 formed in parallel with the first pump 6, said first branch 20 being able to adopt a closed state or an open state. The circuit 2 also comprises a second section T2 connected, on the one hand, to the storage element 1 at the storage portion Z2 of the first hot fluid of the storage element 1, and connected, on the other hand at the output S1 of the circuit 2, said second section T2 comprising between the storage element 1 and the output of the circuit 2 the following successive elements: a first valve 21, a second pump 22 associated with a second branch 23 formed in parallel the second pump 22 and adapted to adopt a closed or open state, a second valve 24, a third pump 25 adapted to send, when activated, the first fluid in the distribution network 16 of the building and in particular to block the first fluid when in an inactive state. The circuit 2 further comprises a third section T3 connected, on the one hand, to the first section T1 and, on the other hand, to the second valve 24, said third section T3 being associated with the condenser 5 of the heat pump 3. The circuit 2 also comprises a fourth section T4 connected on the one hand to the first section T1, preferably between the first pump 6 and the third section T3, and on the other hand to a third valve 26. The device further comprises the loop circulation 11 of the second fluid, especially brine, this loop 11 having a fourth pump 15 for circulating the second fluid so that it cooperates successively with the evaporator 4 of the heat pump 3 , then the second heat exchanger 12 to air to increase its temperature, in particular coupled to a fan 13, then the first heat exchanger 14 also associated with the fourth section T4, before returning at the evaporator 4. The circuit 2 also comprises a fifth section T5, comprising the third valve 26, connected, on the one hand, to the storage element 1 at the level of the cold first fluid storage part Z1 and, secondly, the second section T2 between the first valve 21 and the second pump 22 (or more particularly the second bypass 23). Finally, the circuit 2 comprises a sixth section T6 connected, on the one hand, to the first section T1 and, on the other hand, to the first valve 21. The device can then of course comprise a control module (for example the control 19) for controlling the states of the first, second, third and fourth pumps, the state of the first and second branches, the state of the first, second, third and the state of the heat pump 3 as a function of a desired configuration of the circuit 2. Each of the sections further comprises one or more piping elements for guiding the flow of the first fluid in the circuit 2, these piping elements connecting the various components (pumps, valves, heat exchangers, evaporator , condenser, etc.) or sections between them. Optionally, when it is desired for the circuit to be as apt to implement the alternative of the load alone (case 1) of the first cold fluid storage part, the device may comprise the additional loop 100 associated with the condenser 5 for taking heat and the pump 101 forms a fifth pump for circulating a third fluid in said additional loop 100. The additional loop 100 is associated with the third heat exchanger 102 also combined with a fan 103 so that the fan 103 sends air to cool the third heat exchanger 102 to cool the third fluid before it goes back through the condenser 5. In this case, the condenser 5 is configured to selectively cooperate if necessary either with the first fluid or with the third fluid according to the configuration of the circuit, for this it may include adaptive inputs and associated with the circuit 2 and the additional loop 100, the skilled person will be able to adapt the device as needed to perform this function of condenser capable of cooperating with two separate fluids (other than the refrigerant of the heat pump).

It follows from what has been said above that the first pump 6 can adopt a first state in which it pumps the first fluid from the storage element 1 to propel it in a corresponding portion of the first section T1 and a second state in which it is stopped and prevents the first fluid from passing through it. The second pump 22 can adopt a first state in which it pumps the first fluid from the storage element, in particular from the first hot fluid storage part Z2, to propel it into a corresponding part of the second section T2, and a second state in which it is stopped and prevents the first fluid from passing through it. The third pump 25 can adopt a first state in which it pumps the first fluid from a corresponding portion of the second section T2 to inject it into the distribution network 16, and a second state in which it is stopped and prevents the first fluid from passing therethrough and thus prevents first fluid distribution in the network 16. The first bypass 20 and the second bypass 23 may each have a first closed state - where no fluid passes - and a second open state - leaving therefore pass the fluid. The first valve 21 can adopt a first state in which it passes the first fluid at its level in the second section T2 while preventing the fluid communication at its level between the second section T2 and the sixth section T6, a second state in which it passes from the first fluid to its level in the second section and allows the injection of first fluid in the second section from the sixth section T6, and a third state in which the first fluid does not flow through the first valve 21 The second valve 24 can adopt a first state in which it allows the first fluid to pass at its level in the second section and in which it prevents the fluidic communication from the third section T3 to the second section T2, a second state in which it passes from the first fluid from the third section T3 in only part of the second section T2 di rection of the storage element and preventing the flow of first fluid towards the third pump 25, and a third state in which the first fluid does not flow through the second valve 24, the second valve 24 can then be a three-way type valve. The third valve 26 can adopt a first state in which the first fluid does not flow through the third valve 26, a second state in which it allows the circulation of first fluid from the cold first storage portion Z1 of the storage element 1 to the second section T2 by preventing fluid communication between the fifth section T5 and the fourth section T4, and a third state in which the first fluid from the fourth section T4 is injected into a first portion of the fifth section T5 in directing the cold fluid first storage part while preventing the injection of a first fluid in a second portion of the fifth section T5 connecting the third valve 26 to the second section T2. Furthermore, the heat pump 3 may comprise an active state in which it operates (that is to say that the refrigerant circulates and passes successively by the compressor 3a, the condenser 5, the expander 3b and the evaporator 4 before back through the compressor) and an inactive state in which it is stopped. The circulation loop 11 may include an active state in which the second fluid circulates within the loop (in this case the fourth pump 15 is active and the second fluid cooperates successively with the evaporator 4, if necessary the second heat exchanger 12, and the first heat exchanger 14 before cooperating again with the evaporator) and an inactive state in which the second fluid does not circulate within the loop 11. Moreover, if necessary, the additional loop 100 may comprise an active state in which the third fluid flows through the condenser 5, then by the fifth pump 101 which propels it, then by the third heat exchanger 102 while the fan 103 is active to ventilate air on the third heat exchanger thermal, the additional loop 100 may also include an inactive state in which the third fluid does not flow.

It is possible to deduce from the particular device described above and the different states listed, the following table for the various configurations mentioned:

Figures 8 to 13 show the elements of Figure 7 and illustrate the different configurations. In these Figures 8 to 13, the pipe elements in which the first fluid does not flow have been dotted, and for those remained in solid lines, they have been arrowed to indicate the direction of flow of the first fluid. Moreover, when the loops 11 and 100, and the heat pump 3 are inactive dotted lines are present at their level. In this sense, FIG. 8 shows the device in which the circuit 2 is in its simultaneous charging configuration of the first cold fluid storage portions Z1 and the first hot fluid Z2. FIG. 9 shows the device in which the circuit 2 is in its charging configuration of the first hot-fluid first storage part Z2, FIG. 10 represents the device in which the circuit 2 is in its charging configuration of the part of storage of first cold fluid Z1 alone in the case 1. Figures 11 and 12 illustrate the configuration of the circuit 2 for the distribution of the first fluid in the distribution network 16 of the building. The distribution network 16 comprises a fourth valve 28 for either supplying the hot water tank 17 with first hot fluid and / or a heating system 18 for heating parts of the building (FIG. 11 - first state of distribution). or to supply cold system first fluid 18 for cooling parts of the building (Figure 12 - second state of distribution). FIG. 13 illustrates the device in which the circuit 2 is in its charging configuration of the cold first fluid storage part Z1 alone in case 2. It should be noted that in the case where the loop 11 is in the active state of Figures 8 and 13, the branch 11a is shown inactive but can be activated if necessary to bypass the second exchanger 12.

The invention also relates to a management method of the device for building, said device comprising the storage element 1 of the first fluid. This method can in particular use the device described above in the context of the implementation of its steps. In particular, this method comprises a first mode of operation comprising a simultaneous charging step E1 (FIG. 14) of a first cold storage part Z1 within the storage element 1 and a storage part of first hot fluid Z2 within the storage element 1, said simultaneous charging step E1 comprising a first fluid extraction step E1-1 from the storage element 1 so as to put it into circulation in the circuit 2 of circulation of the first fluid and a use step E1-2 of a heat pump 3 comprising a condenser 5 and an evaporator 4, including the evaporator 4 forms a cold source participating in the load of the storage part first cold fluid Z1 and whose condenser 5 forms a hot source participating in the charge of the first hot fluid storage portion Z2.

Preferably, the simultaneous charging step E1 comprises the following steps: • A step of raising E1-3 of the temperature of a first fraction of the first fluid flowing in the circuit 2 induced by the step of use E1-2 of the heat pump 3 followed by an introduction step E1-4 of the first fraction in the storage element at the first hot fluid storage portion Z2 of the storage element 1, A step E1-5 decreasing the temperature of a second fraction of the first fluid flowing in the circuit 2 induced by the use step E1-2 of the heat pump 3 followed by an introduction step E1 -6 of the second fraction in the storage element at the first cold storage portion Z1 of the storage element 1.

In relation to the various configurations of the circuit described above, the method comprises (FIG. 15), in addition to the first operating mode (step E1), at least one of the following additional operating modes: second mode of operation comprising a charging step E2 of the first hot fluid storage portion Z2 alone comprising: a sampling step E2-1 of the first fluid from the storage element 1 so as to put it into circulation in the circuit 2 so that said first withdrawn fluid undergoes a temperature rise induced by the condenser 5 of the heat pump 3 followed by a step of introducing E2-2 said first fluid taken from the storage element 1 at the level of of the first hot fluid storage part Z2, a third mode of operation comprising a step E3 of charging the cold first fluid storage part Z1 alone, said charging step E3 comprising: a sampling step E3-1 of the first fluid from the storage element 1 so as to circulate it in the circuit 2 so that said first fluid sampled undergoes a decrease in temperature during a passage said first fluid taken from a heat exchanger 14 (the first heat exchanger referred to above) coupled to a second fluid of a temperature lower than that of said first fluid sampled (the heat pump 3 being either inactive - case 1 described above, is active - case 2 described above), followed by a step E3-2 of introducing said first fluid taken from the storage element 1 at the first cold storage part Z1 of the storage element. storage 1, • A fourth mode of operation in which the heat pump 3 is deactivated, and comprising a step E4 in which the circuit 2 transmits the first fluid from the storage element 1 to a distribution network 16 of the building and receives said first fluid after it has circulated in the distribution network 16 of the building in order to inject it at least partially into the storage element 1, and the method comprises a step E5 driver configured to select an operating mode selected from the first operating mode and said at least one (including all) additional operating mode, and configured to implement said selected operating mode.

The control step E5 can include the use of a function taking as input at least one of the following parameters: a parameter representative of a forecast of sunshine; a parameter representative of the day and night temperatures to come; a parameter representative of the cost of the electricity used in the event of fluctuation of said cost over time; a parameter representative of the customers' behavior; a parameter indicating the presence of client (s) within the building; and outputting the selected operating mode. The use of these parameters will not be described again since the same principles as those described in combination with the device apply.

The device and method described above are linked in such a way that everything that has been said in association with the device can be applied to the process and vice versa.

The device and method described above allow from a suitable storage element to provide heating to the building in winter, refrigeration to the building in summer and domestic hot water heating in any season. They therefore allow great adaptability.

The term building used in the present description is to be taken in the broad sense in the sense that it can cover one or more houses, one or more offices, and applications in buildings of industrial sites such as clean rooms or buildings requiring both heated and cooled areas (eg in agro-food buildings).

In the particular example of a building for housing or housing, it is possible to summarize a particular example of the operation of the device as follows: • Winter where we can have two phases: o Phase of recharging via the use of an aerothermal function using an optional VMC output when the outside temperature is too cold for the operation of the heat pump using the aerothermal function, this phase can be implemented when: a period during which the cost of the thermal kilowatt is inexpensive and the storage is moderately discharged (or the forecast future requirement will be very high), or a period during which the storage element is very discharged • Phase of supply of water from the storage element to the distribution network as needed. • Summer where you can have two phases: • Refill phase: the "warm water from the middle of the storage element" is sent back to the heat pump which transforms it into hot water on one side and water on the other hand, this phase can be implemented during: a period during which the cost of the thermal kilowatt is inexpensive and the storage is moderately discharged (or that the forecast future need will be very high), or d a period during which the storage is very discharged • Phase of supply of hot and / or cold water from storage to the network as needed.

More particularly, a day in winter using a thermal stratification storage element can proceed as follows: - At the beginning of the morning at 7 o'clock, the storage element 1 is such that the volume of the part storage of first hot fluid is maximized, this volume will then decrease during the day from which it will result in an increase in the volume of the cold first storage part Z1 due to the use of the device to maintain the temperature domestic hot water and to achieve heating in the building network: for this it is particularly implemented the realization of Figure 11, - The evening especially from 21 h or during the day off-peak , we will seek to re-maximize the volume of the first hot fluid storage portion Z2 for the next day: for this it will be implemented preferentially the embodiment of Figure 9, - The night if it is too cold, the embodiment of FIG. 9 will be implemented, but as an option a VMC outlet of the building will be directed towards the second heat exchanger 12 to increase the air temperature and to improve the efficiency of the the heat pump 3.

More particularly, a day in the summer using a thermal stratification storage element can proceed as follows: - At the beginning of the morning at 7 o'clock, the storage element 1 is such that the volume of the part of first hot fluid storage is substantially equal to the volume of the cold first fluid storage portion so as to provide the distribution network 16 of the building, during the day, the hot and cold first fluid storage portions will be used from which will result a decrease in their volume with an increase in the volume of the intermediate storage part (it is therefore understood that the storage element 1 must be appropriately sized to meet the needs of a whole day): for this is particularly implemented the embodiment of Figure 12, alternating with the embodiment of Figure 11 wherein when the first hot fluid circulates e in the distribution network it does not go through the system 18 to heat only the sanitary water and not the building, - At the end of the day, it is necessary to regenerate both the part of storage of first hot fluid and the part storage of cold first fluid: this can be implemented using the configuration of Figure 8 where it results in a return to the situation of early morning, - Alternatively, depending on the needs during the day, it it may be necessary to charge only the cold first fluid storage part or only the first hot fluid storage part: it may be implemented as needed the configuration of Figure 10, 9, or 13.

The device described above - and the associated method - can be coupled with other technologies such as for example the recovery of greywater or air extracted from the building for example to heat the second fluid at its output. the evaporator as mentioned above. Gray water is "warm" water discharged for example in the evacuation of a shower and which can cooperate with a heat exchanger connected to the circuit, for example at the second pipe element 9 upstream of the condenser 5 of Figure 2 for warm up the first fluid before it passes through the condenser 5.

Furthermore, it is also understood that the invention may relate to an installation comprising a building provided with a fluid distribution network (the first fluid) in particular for heating and / or cooling said building, and the device as described connected to the distribution network for distributing the fluid (the first fluid) from the storage element within the distribution network. In particular, the installation may comprise a module configured to implement the method as described.

Claims (15)

claims 1. Device for building, said device comprising a storage element (1) of a first fluid, a circuit (2) for circulating the first fluid connected to said storage element (1), and a heat pump (3) comprising an evaporator (4) and a condenser (5), characterized in that the circuit (2) comprises at least one simultaneous charge configuration of a first cold fluid storage part (Z1) within the storage element (1) and a first hot fluid storage part (Z2) within the storage element (1), in the simultaneous charge configuration the heat pump (3) is configured to form a cold source at level of the evaporator (4) for taking part in the charge of the cold first fluid storage part (Z1) and a hot source at the condenser (5) intended to participate in the charge of the first storage part hot fluid (Z2) when the first fluid from the elemen t storage (1) is circulated in the circuit (2). 2. Device according to the preceding claim, characterized in that, in the simultaneous charge configuration of the first hot fluid storage part (Z2) and the first cold fluid storage part (Z1), the circuit (2) is configured such that, when the first fluid from the storage element (1) is circulated in the circuit (2), a first fraction of said first fluid circulating in the circuit (2) undergoes a temperature rise induced by the use of the heat pump (3) before being introduced into the storage element (1) at the first hot fluid storage part (Z2), and a second fraction of the first circulating fluid in the circuit (2) is subjected to a temperature decrease induced by the use of the heat pump (3) before being introduced into the storage element (1) at the first cold storage part ( Z1). 3. Device according to the preceding claim, characterized in that it comprises a circulation loop (11) of a second fluid, said loop (11) being associated with: • the evaporator (4) of the heat pump ( 3) so as to cool the second fluid when the heat pump (3) is used, • to a first heat exchanger (14) through which, in the simultaneous charge configuration, the second fraction of the first fluid is passed so that said second fraction of the first fluid undergoes, at said first heat exchanger (14), said temperature decrease related to the use of the heat pump (3) with the aid of the second fluid after passing through the evaporator ( 4). 4. Device according to the preceding claim, characterized in that said loop (11) is associated with a second heat exchanger (12), in particular associated with a fan (13) for heating the second fluid after its cooperation with the evaporator (4) of the heat pump (3) and before the passage of said second fluid in the first heat exchanger (14). 5. Device according to claim 3 or 4, characterized in that in the simultaneous charge configuration, and when the first fluid from the storage element (1) is circulated in the circuit (2), the pump heat (3) comprises a refrigerant circulating between the evaporator (4) of the heat pump (3) and the condenser (5) of the heat pump (3), said heat pump (3) being configured such that so that the refrigerant: • releases its heat at the condenser (5) to the first fraction of the first fluid, and • takes heat from the second fluid to the latter that participates in cooling the second fraction of the first fluid. 6. Device according to any one of the preceding claims, characterized in that the storage element (1) of the first fluid is thermally stratified and comprises a reservoir (1a) having a space filled with the first fluid and comprising both the first hot fluid storage part (Z2) and the first cold fluid storage part (Z1) whose volumes are adaptable. 7. Device according to the preceding claim, characterized in that the space of the reservoir (1a) comprises an intermediate storage part (Z3) of the first fluid located between the first hot fluid storage part (Z2) and the storage part. first cold fluid (Z1), and in that in the simultaneous charge configuration, the device comprises a sampling system (7) configured so that the first fluid from the storage element (1) and circulating in the circuit (2) comes from the intermediate storage part (Z3). 8. Device according to any one of the preceding claims, characterized in that the circuit is adapted to adopt at least one of the following additional configurations: • a charge configuration of the first hot fluid storage part (Z2) alone wherein the circuit (2) is configured such that, when the first fluid from the storage element (1) flows in the circuit (2), said first fluid flowing in the circuit (2) is directed into the circuit (2) so as to undergo a temperature rise induced by the condenser (5) of the heat pump (3) before being introduced into the storage element at the first hot fluid storage portion ( Z2), • a charge configuration of the first cold fluid storage part (Z1) alone in which the circuit (2) is configured such that when the first fluid from the storage element (1) flows in the circuit (2) , said first fluid flowing in the circuit (2) is directed in the circuit (2) so as to undergo a temperature decrease caused by a second fluid flowing in a circulation loop (11) of the device before being introduced into the storage element 1 at the first cold fluid storage part (Z1), in this charging configuration of the first cold fluid storage part only the heat pump is either deactivated or activated to participate in the temperature reduction, • a distribution configuration of the first fluid from the storage element (1) in which the heat pump (3) is deactivated, and wherein the circuit (2) is configured to transmit said first fluid from the storage element (1) to a distribution network (16) of the building and to receive said first fluid after it has circulated in the distribution network (16) of the building e n in order to inject it at least partially into the storage element (1), and in that it comprises a control module (19) configured to select one of said configurations chosen between the simultaneous charging configuration and the at least one of said additional configurations, and configured to modify the flow of the first fluid within the circuit (2) so as to implement the selected configuration. 9. Device according to the preceding claim, characterized in that the control module (19) comprises a function taking as input at least one of the following parameters: • A parameter representative of a forecast of sunshine, • A representative parameter future day and night outside temperatures, • A parameter representative of the cost of electricity used in case of fluctuation of said cost over time, • A parameter representative of the behavior of the customers, • A parameter indicating the presence of customer (s) within the building, and outputting the selected configuration. 10. Device according to one of the preceding claims, characterized in that the circuit (2) comprises an output (S1) intended to be connected to an input (E1) of a distribution network (16) of the building and an input (E2) intended to be connected to an output (S2) of the distribution network (16) of the building, said circuit (2) further comprising: • a first section (T1) connected, on the one hand, to the element storage (1) and, on the other hand, at the input (E2) of the circuit (2), this first section (T1) comprises a first pump (6) and a first branch (20) formed in parallel with the first pump (6), • a second section (T2) connected, on the one hand, to the storage element at the first hot fluid storage part (Z2) of the storage element (1), and connected, on the other hand, to the output (S1) of the circuit (2), said second section (T2) comprising between the storage element (1) and the output (S1) of the circuit (2) the following successive elements: a first valve (21), a second pump (22) associated with a second bypass (23) formed in parallel with the second pump (22), a second valve (24), a third pump (25) adapted to send, when activated, the first fluid in the distribution network of the building (16), • a third section (T3) connected, on the one hand, to the first section (T1) and on the other hand, at the second valve (24), said third section (T3) being associated with the condenser (5) of the heat pump (3), • a fourth section (T4) connected, on the one hand, at the first section (T1), preferably between the first pump (6) and the third section (T3), and, secondly, at a third valve (26), the device comprising a circulation loop (11) d a second fluid, in particular brine, this loop (11) comprising a fourth pump (15) allowing the circulation of u second fluid so that it cooperates successively with the evaporator (4) of the heat pump (3), then a second heat exchanger (12) air to increase its temperature, in particular coupled to a fan (13), then a first heat exchanger (14) associated with the fourth section (T4), before returning to the evaporator (4), • a fifth section (T5), comprising the third valve (26), connected, on the one hand, to the storage element (1) at the cold first fluid storage part (Z1) and, on the other hand, to the second section (T2) between the first valve (21) and the second pump (22), • a sixth section (T6) connected, on the one hand, to the first section (T1) and, on the other hand, to the first valve (21), the device comprising a control module (19). ) configured to control the state of the first, second, third and fourth pumps, the state of the first and second the state of the first, second and third valves and the state of the heat pump according to a desired configuration of the circuit (2). 11. A method of managing a building device, said device comprising a storage element (1) of a first fluid, characterized in that it comprises a first operating mode comprising a step of simultaneous charging (E1) d a first cold fluid storage part (Z1) within the storage element (1) and a first hot fluid storage part (Z2) within the storage element (1), said simultaneous charging step comprising a step of withdrawing (E1-1) first fluid from the storage element (1) so as to circulate it in a circulation circuit (2) of the first fluid and a step of use (E1-2) of a heat pump (3) comprising a condenser (5) and an evaporator (4), the evaporator (4) forming a cold source participating in the charge of the storage part of the first cold fluid (Z1) and the condenser (5) forming a hot source participating in the charging the first hot fluid storage part (Z2). 12. Method according to the preceding claim, characterized in that the simultaneous charging step (E1) comprises the following steps: • A step of raising (E1-3) the temperature of a first fraction of the first fluid flowing in the circuit (2) induced by the use step (E1-2) of the heat pump (3) followed by a step of introducing (E1-4) the first fraction into the storage element ( 1) at the first hot fluid storage portion (Z2) of the storage element (1), • a step of decreasing (E1-5) the temperature of a second fraction of the first fluid flowing in the circuit (2) induced by the step of using (E1-2) the heat pump (3) followed by a step of introducing (E1-6) the second fraction into the storage element at the level of the first cold storage part (Z1) of the storage element (1). 13. Method according to one of claims 11 or 12, characterized in that it comprises in addition to the first mode of operation, at least one of the following additional operating modes: • A second mode of operation comprising a step of charge (E2) of the first hot fluid storage part alone (Z2) comprising: o a step of taking (E2-1) first fluid from the storage element (1) so as to put it into circulation in the circuit (2) to undergo a temperature rise induced by the condenser (5) of the heat pump (3) followed by a step of introducing (E2-2) said first fluid taken from the storage element (1) at the first hot fluid storage part (Z2), • A third operating mode comprising a charging step (E3) of the first cold fluid storage part alone comprising: o A step sampling (E3-1) from first fluid to from the storage element (1) so as to circulate it in the circuit (2) so that it undergoes a decrease in temperature during a passage of said first fluid taken from a heat exchanger (14) coupled to a second fluid of temperature lower than that of said first withdrawn fluid, followed by a step (E3-2) of introducing said first fluid taken from the storage element at the first cold fluid storage portion (Z1) of the storage element (1), • A fourth operating mode in which the heat pump (3) is deactivated, and comprising a step (E4) in which the circuit (2) transmits the first fluid from the storage element (1) to a distribution network (16) of a building and receives said first fluid after it has circulated in a distribution network (16) of the building to inject it at least partially into a the storage element (1), and in that it comprises a control step (E5) configured to select an operating mode selected from the first operating mode and the at least one additional operating mode, and configured to implement said selected operating mode. 14. Method according to the preceding claim, characterized in that the control step (E5) comprises the use of a function taking as input at least one of the following parameters: • A parameter representative of a forecast of sunshine, • A parameter representative of the day and night temperatures to come, • A parameter representative of the cost of electricity used in case of fluctuation of the said cost over time, • A parameter representative of the behavior of the customers, • An indicator parameter the presence of customer (s) within the building, and outputting the selected operating mode. 15. Installation comprising a building provided with a fluid distribution network in particular for heating and / or cooling said building, characterized in that it comprises a device according to one of claims 1 to 10 connected to the distribution network for distributing the first fluid from the storage element within the distribution network.