PT8672U - HEATING ROOM AND CONSUMER WATER ENVIRONMENT - Google Patents

Description

The present utility model application relates to heaters of the type recited in the main claim.

In known heaters of this type, the drinking water storage tank and optionally an additional tank provided in the drinking water faucet for increased comfort (published specification for public inspection of German patent DE-OS 40 31 187) are in the form of an aero-reservoir which is attached to a frame supporting the heater or other parts of the heater and are connected therewith by means of freely-sealing pipes. This embodiment necessitates a mounting space for the dilating and storage tank of the relatively large consumer water and requires a considerable cost of finishing for the assembly of the heater.

Advantages of utility model The device that constitutes the present utility model with the specific characteristics indicated in re :. The main vignetting results in a compact embodiment which saves space and also allows simple assembly. The constructional unit consisting of the drinking water storage tank and the expansion vessel may preferably be carried out in such a way that, on the front side, it occupies the widest possible profile of the heater as widely as possible. In this way, a volume of the storage tank which is sufficiently large can be obtained, without a noticeable increase in the total volume of the heater, in order that, in connection with a high capacity burner, it is possible to achieve the convenience of the drinking water of a installation with an external water storage tank. By means of the specific features mentioned in the secondary claims possible improvements are apparent from the arrangement according to the main claim. The heater assembly can be simplified if the

unit consisting of the water storage tank of σφη sumo and in the tank serve as a mounting plate for the remaining elements, namely, sets of elements such as gas and water pipe fittings, pumps, valves, burner, combustion, heat exchanger, current safety devices, ventilator and central electronic circuit.

A special support frame for all parts of the heater is dispensable if the construction unit directly has a sturdy frame with means for fixing to a wall.

In a preferred embodiment there are attached constructional elements which are in tight functional connection and / or are connected by means of pipes so as to form pre-reinforced constructional groups and which can be individually fixed in particular in a construction unit which preferably also part of the tubing. In this way, the cost of the tubing is reduced and the use of modern finishing methods in the heater assembly is facilitated.

In the construction unit formed by the storage tank and the dilatation tank, connections of the heater to the fuel gas, the cold water, the water for consumption and the heating network are preferably provided, as are preferably means for centering and attaching a general heater enclosure.

The specific properties of the above-described heater constructions can according to the present invention be combined with design features of the heater which define the operation to optimize its proportion of operating capacity / volume, namely convenience in removing water consumption.

A particularly advantageous embodiment with

it is necessary to provide the storage tank for drinking water with integrated heat transfer surfaces of a heat exchanger which is in the piping system which carries the heating water. In this case, the plant may be designed in such a way that a heat transfer to the heating water is effected by means of the storage tank of the drinking water for at least a sufficient period of time so that the temperature of the water at a certain value. In this manner, it is achieved that the energy produced by the heat source is transmitted at least partially without deviation by the heating water. for the stored and / or moving drinking water and the amount of heat present in the storage tank of the drinking water is collected into the heating water in the piping system. The heat exchanger device in the drinking water storage tank may be connected with the water chamber in the expansion vessel through a tubing which is integrated in the construction unit formed by the storage tank of the drinking water and the storage tank of dilation.

A simple installation with a particularly high degree of efficiency can be obtained if the heat transfer takes place immediately and automatically from the flue gases passing through the heat exchanger to the storage tank of the drinking water without intermediate connection of a means of additional heat transmission by means of drinking water passing inside an internal water circuit

Drawing

In the drawing, two exemplary embodiments of the present utility model application are described schematically and are more fully described below. Figure 1 shows the front elevational view of the basement heater construction of the first embodiment example,

the general heater enclosure; Figure 2 is a view in Fig. side view of the heater construction shown in Figure 1 and Figures 3 and 4 show respectively one of the heater concept of the first and second exemplary embodiments.

DESCRIPTION OF THE EMBODIMENTS The heater according to Figures 1 to 3 has a dilatation vessel (10) which is connected to a consumer water storage tank (12) in a firm manner and, together with this, forms a collapsible construction unit (14) at the rear of the heater. This construction unit 14, in addition to serving for the storage of the drinking water and for receiving the expansion of the volume of the water heater, also serves as a mounting plate for other constructive elements or assemblies of heater devices and consequently forms (14) occupies as much as possible the outlined profile of the intended rear side of the heater and has means (16) on the edge for the purpose of preventing the use of a special frame for this purpose. its attachment to a wall. In the construction unit (14) means (18) are also provided for the placement of a heater housing not shown in the drawing.

The other constructional elements or assemblies of auxiliary devices are assembled to previously assembled constructional groups (20, 22, 24, 26) which are fixed or which are attachable to the back-up assembly unit (14). These constructive elements are not shown in detail in Figures 1 and 2 and are only mentioned or described in connection with Figure 3 to an extent necessary for understanding the concept of the heater.

(20, 22, 21, 26) are connected to each other in a tight functional connection and / or are connected one after the other or to the storage tank of the drinking water (12) and the expansion tank (10) by means of pipes which are partially integrated in the building blocks and partly in the building unit (14). In addition, the connections of the gas heater (28) to the cold water (30), to the water for consumption (32) and to a heating network (34, 36) are provided in the building unit (14). The assembly 20 includes, among others, a gas frame and a heat producer 39 consisting of a gas burner, a combustion chamber and a heat exchanger 12 which is passed through by the combustion gases is in series with the water tank (12) in an internal hot water circuit (40a, 40b) crossed by drinking water. The part of the circuit 40a of the hot water circuit which opens into the upper area of the hot water tank passes through a 3-way valve 42, the outlet of which is connected through a drinking water circuit 44, with the corresponding joint (32) to the constructional unit. A consumption pump (46) which is connected to the set up (22) and the valve of the tank (3) is inserted in the space of the retraction system (40b) exiting the lower part of the drinking water tank (42). The lower zone of the drinking water tank (12) is connected to the building unit (14) by going. the cold water supply circuit with the color matching circuit (30).

The heat transfer surfaces of a heat exchanger (50) in the form of a tube coil which is in connection with the pipe system (52a, 52a) are placed inside the storage tank of the drinking water (12)

52b) which carries heating water. The circuit portion 52a of this piping system conveys water from the heat exchanger to the heater connection 34 via a heating water pump 54. The part of the traversing circuit 52b carries water to the heater 36 behind the heat exchanger 50 through a 3-way valve 56 and is further connected with the water chamber (58) of the dilatation vessel (10). From the 3-way valve 56, a mixing pipe 60 is drawn leading to the pre-circuit 52a in which it flows between the heat exchanger 50 and the heating water pump 54. ). The heating water pump 54, the 3-way valve 56 and the mixing tubing 60 are joined with the constricting group 24. The assembly (26) contains the central electronic electric circuit of the heater. This circuit controls according to claims of set value indicators not shown for the temperature of the supply water and the outlet temperature as well as the temperature sensors (62, 64, 66, 68) in the part of the circuit (52a ), the burner, the pumps (46, 54) and the valves (46) are arranged in the storage tank of the drinking water, the outlet of the drinking water (44) and the heat exchanger (38) (42, 46). The concept of the heater described functions as described below.

In the withdrawal of drinking water having a sensor usually a pressure differential sensor from the central electronic circuits, hot water is immediately available from the storage tank of drinking water (12) in sufficient quantity to maintain the temperature in the heat producer (39) and to overcome the discharge time. By means of the outlet of the 3-way valve (42), the outlet drinking water is mixed to the desired value " regulated in connection with the cold feed water and the drinking water pump (46). Simultaneously, the heat producer 39 is put into operation and the 3-way valve 42 is activated in such a way that an increasing proportion of the amount of water passing therethrough passes through the heat producer 39. if the desired value for the drinking water is reached, the 3-way valve 42 is controlled in such a way that the total amount of drinking water passing through is heated by the heating principle during the passage. The regulation of the heat producer can be carried out either continuously or by operation between 2 points. The heating mantle is immediately (ie without intermediate use of an additional transmission medium, transmitted to the drinking water in the hot water circuit (40, 40, 40) so that a rise time of the water temperature of In particular, in connection with the above-described constructive improvement and with a corresponding burner capacity measurement, an innotation can be achieved with an external consumption water storage tank without a noteworthy increase in the total volume of the burner. convenience of supply of drinking water.

After completion of the passage of drinking water, the temperature of the storage water tank 12 rises slightly to the desired value controlled by the temperature recorder 64 by passing through the internal hot water circuit 40a , 40b) with a high coefficient of heat transmission. The heating energy is transmitted indirectly to the heating network via the drinking water storage tank 12 and the heat exchanger 50 mounted therein. In the case of a demand for heat determined by means of The temperature sensor (62) mounted in the heating circuit, the 3-way valve (56) is activated in such a way that a distribution of the amount of recycle heating water for the mixing pipe ( 60) and for the heat exchange (50) corresponding to the difference between the desired water temperature and the measured value. In this case, firstly, the thermal energy is used in the storage tank for drinking water ( 12) and the burner is then switched on only if the lower temperature sensor connection point 64 is reached. The heat exchanger 50 of the drinking water tank 12 is controlled in such a way that ; only one capacity of the burner is transmitted to the heating water. By including the water tank (12) in the internal pipe system of the heater (52a, 52b) and with the corresponding limitation and positioning of the construction and control elements, it can be achieved that a continuous burner in almost all conditions of heat consumption. By means of the concept on which the present invention is based, prior temperatures within the range of 20 to 80 grams Celsius are possible without corrosion problems.

The following data is the basis for the described embodiment:

28 kW 11 kW 90 degrees Cel- · sius 80 g: aus Celsius 15 liters

Consumption water power Heating capacity Maximum consumption water temperature

Maximum preheating temperature

Internal volume of the storage tank for drinking water - 10, 5 .- *? THE . (I.e.

Nitrogen volume of the expansion vessel 8 liters The construction system of the exemplary embodiment according to Figure 4 fundamentally agrees with that described above of the first embodiment. Differently from this, however, the second example of embodiment, however, has a heat producer (70) with two heat exchangers (72, 74), one of which is at least provided with heat transfer surfaces directly in contact with the flue gases and the other obtains at least indirectly the thermal energy of the flue gases by means of the water content of one of the heat exchangers. The heat exchanger 72 is in an internal hot water circuit 76a, 76b which passes through a drinking water storage tank 80 combined with a collection reservoir 78 and contains a flow valve tr. 3-way (82) into which a drinking water outlet (84) is connected. The temperature regulation in the outlet of the drinking water 84 is carried out as already described in the first embodiment. The second heat exchanger 74 in the heat producer 70 is in a piping system 86a, 86b for the heating water whose initial part 86a leads to a junction of the heater 90 for pre-basin heating network through a control valve (88). The recirculation part (86b) of the piping system exits from a connection of the supplier (92) to the heating network recirculation pipe through a heating water pump (94) to the heat exchanger (74) and is further connected with the water chamber (96) of the expansion tank (78). From the third outlet of the control valve 88, a mixing pipe 98 leads to the recirculation part 86b passing through the drinking water storage tank 80. Within the storage water reservoir 80, the manifold 98 is serpentine form a heat exchanger (100).

In the installation according to Figure 4, a heat exchange of the heat heating energy in direct through the water tank 80 is effected only during the time when its temperature exceeds the desired value, for example, equal to 90 ° Celsius. When the temperature is lower than this value, the heat producer 70 is thereafter not only satisfying the need for thermal heating energy but also raising the temperature of the consumption water contained in storage tank (80) for the desired value. The installation shown in Figure 4 may not contain a pump in the hot water circuit (76a, 76b). The need for heat energy to maintain the temperature in the storage tank of the drinking water 80 may advantageously be satisfied only by the heat exchanger (74 and 100) installed in the heating water piping system in the event of the water in the hot water circuit (76a, 76b).

Claims (1)

* Β A -5 · / Λ · 17 & * * CLAIMS: a. Heater of rooms and drinking water environment with a burner as a source of heat, a heat exchanger fueled by combustion gases and an internal hot water circuit which has a storage tank for drinking water and a pipes which carries heating water, which has a recirculation connection of a heating network through a heat exchanger with a through connection and in which water supply is connected to an expansion vessel, characterized in that the water (12, 80) and the expansion vessel (10, 78) are assembled to form a construction unit (14) mounted on the rear side of the heater. 2a. The heater according to claim 1, characterized in that the construction unit (14) consisting of the water tank (12, 80) and the expansion tank (10, 78) serves as the mounting plate for the remaining building elements such as gas and water fittings, pumps, valves, burners, combustion engines, heat exchanger, safety devices, fans and central electronic circuit. 3a. The heater according to claim 2, characterized in that the construction unit (14) directly has a sturdy frame with means (16) for fixing to the wall. 4a. The heater according to any one of claims 1 to 3, characterized in that constructive elements which are tightly connected and / or connected by means of pipes are joined together to form previously reinforced constructional groups (20, 22, 24, 26) and which can be individually fixed in particular to the building unit (14), which preferably also has a part of the pipe. 5a. The heater according to any one of the preceding claims, characterized in that the heater connections (28), the cold water (30), the drinking water (32) and the fuel water (32) are provided in the construction unit (14). to the heating network (34, 36), as well as means (18) for centering and securing a general housing of the heater. 6a. The heater according to any one of the preceding claims, characterized in that the storage water storage tank (12, 80) is provided with heat transfer surfaces (50, 100) integrated with a heat exchanger which is in the system (52a, 52b, 86a, 86b) which carries the heating water. 7a. The heater according to claim 6, characterized in that the heat transfer is carried out for the heating water contained in the drinking-water storage tank (12, 80) during the time for its temperature to exceed a given temperature value. 8a. The heater according to claim 6 or 7, characterized in that the heat transfer is carried out directly from the heat exchanger (38, 72) installed in the flue gases to the storage tank of drinking water ( 12, 80) without an additional transmission means by means of drinking water passing inside the internal hot water circuit (40a, 40b, 76a, 76b). Lisbon, December 18, 1992 The Official Agent of Industrial Property Ajíflle Olicial di YOU . v 127-? ??????????????????????????????????????????????????