EP1028297A2 - Heat- and pump module - Google Patents

Abstract

The heating and pumping module has a heat generator (9) with a heat container (37) and a pump (25) integrated into it. The heat generator is combined with the heat container and pump to form a compact unit. The pump can be arranged in the heat container or in a sealed pump container (41) with external suction and outlet connectors (29,28).

Description

The invention relates to a heating and pumping module with the Features in the preamble of the main claim.

In practice, hot water supplies with one electric or gas powered water heater and a separate pump system known. For household appliances come with an electric water heater pot-shaped heating container and one also separately arranged pump for use. These devices are on the matched the respective device design and have one corresponding construction and cabling effort. Also are the heat generator and the external pump on arranged in different places and by lines connected.

It is an object of the present invention to provide a better one Possibility to show a hot water supply.

The invention solves this problem with the features in the main claim.
The invention proposes the use of a heating and pumping module for a hot water supply. It can be used to heat any liquids. In the heating and pumping module according to the invention, the pump is integrated in the heating container. It can be arranged in the interior of the heating container and located in the water. Alternatively, however, it can also be functionally integrated in the wall or in the lid of the heating container and can be designed, for example, as a membrane pump. These designs offer a particularly compact and easy-to-use design that can also be easily connected to a liquid and energy supply. The small design opens up a wide range of applications in the heating and pump module, whereby it is particularly suitable for use in leisure, hobby and garden areas.

The combination of the Heat generator with the heating tank and the pump into one compact unit. This can be done as a finished Assemble the component at any suitable location. In addition, the assembly can be mobile and e.g. in one portable or mobile heater. This has special advantages for heating of water in the outside swimming pool or paddling pool and the garden water for garden irrigation.

The heating container with the in the interior or in the Container wall or pump integrated in the lid forms an externally closed unit, the Liquid via sealed container connections and is dissipated. The heat generator and the heated water have no negative environmental impact. Also the Escaping steam is avoided. In addition, the heating and Pump module corresponding to the outside Have thermal insulation.

The liquid in the heating tank is replaced by a suitable heat generator, e.g. an electrical Heating coil, a gas burner or another suitable heat exchanger heated. The warmed Liquid is preferably pumped out of the Sucked inside the pump and pumped out. Here it is recommended to use the pump together with its drive sealed and dry in a pump holder on the lid or to accommodate the container wall. This makes it easier electrical insulation and power supply. Moreover the pump can be insulated more easily. Alternatively, the pump can be sealed with a corresponding one and insulated housing design even in the warm Liquid bath can be accommodated.

In the subclaims are further advantageous Refinements and areas of application of the invention specified.

Figur 1:

ein Heiz- und Pumpenmodul mit innenliegender Pumpe für ein Heizgerät zur Warmwasserversorgung in Seitenansicht,

Figur 2:

eine Schnittdarstellung des Moduls gemäß Schnittlinie II-II von Figur 1,

Figur 3:

ein Heizgerät in der Bauform als Schwimmbeckenheizung

Figur 4:

ein Caravan mit einem Heizgerät für die Warmwasserversorgung

Figur 5:

ein Heizgerät zum Einsatz im Gartenbereich und

Figur 6 bis 8:

ein Heiz- und Pumpenmodul mit Membranpumpe in verschiedenen Betriebsstellungen.

The invention is explained in more detail below with reference to the accompanying drawings. In these show:

Figure 1:

a heating and pump module with internal pump for a heater for hot water supply in side view,

Figure 2:

2 shows a sectional illustration of the module according to section line II-II from FIG. 1,

Figure 3:

a heater in the form of pool heating

Figure 4:

a caravan with a heater for hot water supply

Figure 5:

a heater for use in the garden area and

Figure 6 to 8:

a heating and pump module with diaphragm pump in various operating positions.

1, 2 and 6 to 8 show a heating and pumping module (10) with an integrated pump (25) for a heater (4) or a hot water supply (13) or for heating any other liquids. Figures 3 to 5 show different areas of application the heating and pumping module (10).

The heating and pumping module (10) combines one Heat generator (9), especially an electric one Instantaneous water heater (27), with a pump (25) and drive (26) and a heating container (37) to a small Device. The heating and pumping module (10) is preferably included electrical current via one or more cables (31,35) operated. The heating and pump module (10) can be in one mobile or stationary heater (4).

It is on the inlet side to an intake line (17) and connected on the output side to an output line (19), which in any way rigid e.g. as pipes or flexible e.g. be formed as hoses or the like can. The heating and pump module (10) can also be in one Passage channel (24) must be switched (see FIG. 3).

The heating and pumping module (10) simulates a compact one closed, heat insulated and Splash-proof unit that is simple a suitable energy and liquid supply can be connected.

In the embodiments shown, the heat generator (9) a heating container (37) which e.g. pot-shaped is formed and on the top with a lid (39) together with suitable seals (40) is tightly closed. The one to be heated is located in the heating container (37) Water (2). The heat is generated by an electric heater, e.g. an outside heating coil (11) of an electrical Resistance heating generated at the bottom of the heating container (37) and transferred to the water (2) inside the container. The Heating container (37) consists of metal, plastic, one Composite material or another suitable material and is e.g. double-walled, being between the Container walls have a heat-permeable electrical Insulation (38) is arranged. The heating container (37) can be electrically isolated in any other way.

The pump (25) has an integrated electric drive (26) and is in the embodiment of Figure 1 and 2 in the interior of the heating container (37). You can at Appropriate design and insulation in a water bath (2) lie. In the preferred embodiment, the Pump (25) in a sealed and insulating Pump holder (41) housed dry. The same pot-shaped pump holder (41) is smaller than that Interior of the heating container (37) and can with the lid (39) connected or integrated into this. The electric pump cable (31) is through the cover (39) led dry outside. The pump holder (41) is located in the exemplary embodiment shown approximately in the middle Heating container (37) and has a distance at the bottom to the bottom of the container. Alternatively, the pump holder (41) elsewhere, e.g. near the side wall, sit and be different, e.g. in the Container side wall is integrated.

The pump (25) housed in the interior is via a Intake (29) with the water bath (2) in the heating tank (37) connected. The intake manifold (29) protrudes through the wall the pump holder (41) sealed to the outside. The pump (25) is on the output side via a Outlet connector (28) with a container outlet (50) connected to which the output line or Passage channel (24) is connected. The outlet port (28) also penetrates the wall of the pot-like pump holder (41) and is then through Water bath (2) and the wall of the heating container (37) over the Container outlet (50) led to the outside. The heating tank (37) has a nozzle-like at another suitable location Tank inlet (49) through which the water to be heated can flow into the interior of the container. The container inlet (49) with the suction line (17) or Passage channel (24) connected on the supply side.

The water (2) flowing in via the container inlet (49) is by the heating coil (11) in the heating tank (37) warmed up. The pump (25) sucks the warm water through the Intake connector (29) and promotes it over the Outlet connector (28) to the outside. Sealed through the The heating container (37) created negative pressure runs Fresh water via the suction line (17) or the Passage channel (24) and the container inlet (49) after. The Afterflow can also be done in another way Dry running protection or the like can be secured. Moreover the circuit can be reversed by using the pump (25) the cool water (2) from the correspondingly connected Suction line (17) sucks and into the heating tank (37) for heating and forwarding to the other way too connected output line (18) pumps.

The pump (25) can be used in any suitable manner be formed and is preferably safe to run dry. For example, it is an inexpensive and small vane pump. Alternatively, it can also a piston pump, a gear pump or the like his. It preferably has a suitable one electric drive (26) in a common Housing are housed. The drive (26) can as DC or AC motor can be formed. The Pump power cable (31) and the cable (35) for the Heating coil (11) can be connected to each other via a distribution connected and connected to a common power cord his.

For switching the heating coil (11) and the pump on and off (25) can be a switch (32) directly on the heating and pump module (10) or other suitable location, e.g. on the heater (4). The switch (32) lets in selective switching of the components, whereby the pump (25) and the heating coil (11) are operated separately can. In particular, the pump (25) can also be used without the Run the heat generator (9) and pump the water around.

In the construction variant from FIGS. 5 to 8, the pump (25) is in the wall or in the lid (39) of the heating container (37) integrated. The pump (25) is a diaphragm pump (51) formed, the membrane (52) at the same time a part the container wall forms. In the shown In the exemplary embodiment, the membrane (52) forms the cover (39). The heating tank (37) and the pump (25) are hereby functionally connected or integrated.

The heating tank (37) contains the water bath (2) and has on the floor or in another suitable place a heat exchanger or heat generator (not shown). On the input side is on the heating tank (37) Intake socket (29) or an intake line (17) arranged. On the outlet side there is an outlet connection (28) or an output line (18) is arranged. At the entrance and The outlet side of the heating tank (37) is located suitable and preferably automatic valves (53.54). In the exemplary embodiment shown, these are as simple check valves designed to hold the water (2) only flow in one direction. The flaps (53,54) can be spring loaded.

The pump drive (26) consists of a suitable one Actuator that moves the diaphragm (52) in the transverse direction, the volume in the heating container (37) being reduced or is enlarged. In the embodiment shown, the Pump drive (26) as a magnetic drive or coil drive educated. Alternatively, an electric motor can also be used a suitable power transmission or the like. The pump drive (26) and the membrane (52) can from be surrounded by a pump housing (not shown), which, for example, with the side walls or the Edges of the heating container (37) is connected. Hereby results in the same compact design of the heating and Pump module (10) as in Figures 1 and 2.

Figures 6 to 8 show the diaphragm pump (51) in different operating positions. 6 is the To see suction position. Here the pump drive pulls (26) the membrane (52) to the outside and enlarges it Internal volume of the heating container (37). By the The resulting negative pressure opens the inlet side Backflow flap (53) on the intake manifold (29) and leaves that from a water supply (16) sucked water (2) into the Flow the heating container (37). The one on the outlet side located backflow flap (54) is close to the Exhaust opening pressed.

After completing the suction stroke, the pump drive presses (26) the membrane (52) back in the opposite direction Heating container (37) and thereby builds up an internal pressure. This leads to the inlet side being closed Backflow flap (53). The one with a return spring or other counterforce outlet backflow flap (54) still opens Not.

Only when the pump pressure in that shown in Figure 8 Squeeze position becomes even stronger, opens the Backflow flap (54) on the outlet port (28) and leaves that Water (2) from the reduced heating container (37) emanate. The pump drive (26) then moves the Membrane (52) back to the starting position, from which starts from a new pump cycle.

In the embodiments shown, the heating and Pump module (10) as a water heater (27), the the continuously circulated water in the Heating container (37) warmed. The water (2) can alternatively can also be pumped in cycles. In the preferred Embodiment, the heating power can be controlled and regulated. Pump performance can also be suitably adjusted be changed and controlled or regulated.

The heating output of the heating and pump module shown (10) can be, for example, between 1 and 3 KW. The heating and Pump module (10) also has a dry run protection and thermal protection. The pump power can, for example between approx. 100 to 200 l / h can be selected. As another Features can include a thermostat and a Temperature controller or a Temperature controller for the water or heating temperature to be available. For electrical protection, the Protection class IPX 8/7 preferred. Depending on the application of the Heating and pumping module (10) can still further special filters, anti-algae protection etc. are used come.

The heating and pump module (10) is preferably in independent heating devices (4) installed, which are in any areas for hot water supply (13) let insert. The leisure, Hobby and garden area. In addition, the heating and Pump module (10) also used in any other way e.g. by into an existing one Water supply device integrated and in particular is retrofitted. Figures 3 to 5 show this different application examples.

Figure 3 shows an outdoors, for example in the garden of a nearby residential building Swimming pool (1) filled with water (2). Furthermore, one is next to the swimming pool on the Portable heater (4) with the heating and pump module (10) can be seen that is used to the in the swimming pool (1) Heat water (2). The heating and pumping module (10) is splash-proof inside the removable Device housing (5) housed.

The heater (4) of Figure 3 is as a game device (20) educated. The housing (5) is e.g. as a mythical animal, especially shaped as a dragon or turtle. It has a body in which the heating and pumping module (10) is housed. The body has four feet (7) with which he stands on the ground (3). Alternatively or rolling means (8) may also be present. On the bottom of the spaced above the ground (3) located body is a receiving device (42), e.g. a reel, housed for the power cord (35). On the top, the housing (5) can have a seat, a Have saddles or the like for children.

The housing (5) preferably has one on the back Liquid inlet (22), which in any way to a Water supply is connected. This can be an external one Water supply, e.g. a water pipe. It can but here also e.g. a suction hose, not shown (17) be attached. At the front of the case (5) is a slim and preferably multi-bendable neck (21) available, which at the end of a spray head (47) with a Liquid outlet (23) carries. The head (47) can directly in the swimming pool (1) the heated and / or cleaned Spray water (2). Alternatively, the Liquid outlet (23) in any other way be designed and e.g. one not shown Have dispensing hose (18).

The spray head (47) is e.g. trained as an animal head and has eyes and a mouth-shaped liquid outlet (23). The spray head (47) can be additional Include functional components. In the preferred Embodiment, it is divisible or can in some other way be opened. Inside is one Water treatment device (48) housed. This can a tablet compartment in the flow area of the water, which is chlorine tablets, algae chemicals or others chemical products or physical devices for Includes water treatment. Also a filter device (45) can be accommodated in the spray head (47).

The heater (4) can be grounded. In the shown Embodiment is on a foot (7) for this purpose a pointed mandrel is attached as an earth conductor (46) drilled into the earth when the heater (4) hit the ground (3) is provided.

Inside the housing (5), the heater (4) can have permanently installed passage channel (14) on the heating and Pump module (10) is connected. Furthermore, in Passage channel (24) a filter device (45) arranged his. This can be in front of or behind the heating and pumping module (10) housed in the housing (5) or in the aforementioned Alternatively or additionally in the spray head (47) be positioned.

The filter device (45) prevents the heating and Pump module (10) dirty or clogged and holds sucked in via the liquid inlet (22) Impurities back. It preferably contains only schematically illustrated filter device (45) a e.g. basket-like designed filter insert, which is the actual Filter structure - for example a sieve-like or mesh-like one Structure - has and which is for cleaning or Rinsing can be removed. The filter insert could also on an exchange basis through a clean filter insert be replaced. Through the integrated filter device (45) can be fitted with an additional filter to clean the Swimming pool water (2) can be dispensed with.

On the housing (5) is also the outside Operating switch (32) arranged, which is preferably at least two switch positions or two switch buttons owns. The heater (4) shown in Figure 3 can Double function as a pure circulation and filter device without Have heating and as a heater with heating. On the The various functions can be selected using switches (32) and the module components can be activated individually.

To operate the heating and pump module (10) required electrical energy is provided by a suitable electrical cable (35) supplied, at least the Should have quality H 05 RNF. It has the outdoors End via a connector of conventional type, the allows a connection to a power grid, wherein Operation with 220 volts can expediently take place. To also a distant one from the power supply network To enable operation, the power cord (35) sufficient length of e.g. have at least 5m.

Alternatively or additionally, it is also conceivable, at least part of the energy required via solar energy to be provided and the heater (4) to equip with solar cells, for example.

Especially if a higher heating output is required, can a heat generator (9) or water heater (27) be provided, which is operated with gaseous fuel becomes. In this case, the heating tank (37) instead of Heating coil (11) a corresponding gas burner or Heat exchanger. It is also on board the Device housing (5) a suitable gas tank, in particular an exchangeable gas cartridge.

The heater (4) is suitable splash-proof and has a corresponding electrical insulation. In an alternative design can the heater (4) also operated in swimming pools (1) and are designed to be buoyant if necessary.

The heater (4) can be used in conjunction with Swimming pool (1) also for heating the water (2) other water basins or any liquids use other liquid containers, whereby for example, in addition to leisure applications, also applications would be possible in the industrial sector.

Figure 4 shows another area of application of the pump module (10) or the heater (4) in the camping and Leisure area. Here is the pump module (10) for the Hot water supply (13) for a caravan, mobile home, Camping bus or similar vehicle used. Alternatively, it can be a stationary one Accommodation, e.g. B. in a leisure hut, an arbor, or act like that. The pump module (10) is here e.g. B. on a water supply, e.g. B. a fresh water tank (16) arranged and immersed with its suction hose (17) into the water (2). The delivery hose (18) is with an internal line system or one Distribution in the caravan (12) connected. The line (14) leads to a shower (30), for example Faucet or similar other water dispenser. In the tank (16) there is cold fresh water that except for the Hot water supply (13) for other purposes, e.g. B. as rinse water, is available. The heating and Pump module (10) can be at any suitable location arranged and also exist several times. The Heat generator (9) can in a caravan (12) or the same with the gas supply that is usually present anyway or also with solar cells gas or electrical operate.

The heating and pumping module (10) can be used as a single module subsequently integrated into the water supply (13) will be or be provided from the outset. In the shown Application area, it is preferably fixed to more suitable Place assembled and installed.

Figure 5 shows a further application variant in which the Heating and pumping module (10) again in connection with a mobile heater (4) is used. The heater (4) has a suitable housing (5) with a handle (19) or a suitable chassis. In addition, on Housing (5) on the outside of the aforementioned Operating switch (32) may be arranged.

The heater (4) is here for garden irrigation used. Watering the lawn and other utility and Ornamental plants with heated water is for growth in advantageous in many cases. The suction hose (17) of the Heating and pumping module (10) is shown in the Embodiment in a close to the house (33) Rain barrel (16) or cistern hung. The suction hose (17) can also be used with a water pipe in the house (33) connected. The dispensing hose (18) leads to a water dispenser, e.g. B. a lawn sprinkler (15).

Changes to those described in the exemplary embodiments Heaters (4) and the heating and pumping module (10) are in possible in any way. As a heat generator (9) for the Heater (4) can also be other small and light operable heat sources are used. In particular can be a gas heater with a Serve gas cartridge. Here, the heat transfer via a suitable heat exchanger. In further modification to the embodiment shown can Water heater (27) electrically heated in another way e.g. inductive due to high-frequency alternating currents. Furthermore, the heat generator (9) can be intermittent work, with a water reservoir heated periodically is not pumped.

In a further modification, the heater (4) on the Water suction side another suitable Have dry running protection, e.g. on Check valve in the suction hose (17) or on Provides liquid inlet (22). This means that Switch off the pump (25) a water column on the suction side stand.

REFERENCE SIGN LIST

1

Swimming pool

2nd

water

3rd

Underground

4th

heater

5

casing

6

Retaining device, handle

7

Storage, foot

8th

Rolling stock

9

Heat generator

10th

Heating and pump module

11

Heat exchanger, heating coil, heat exchanger

12th

Caravan, camper

13

Water supply, hot water supply

14

Management, distribution

15

Lawn sprinkler

16

Water supply, rain barrel, water tank

17th

Intake line, intake hose

18th

Output line, output hose

19th

Handle

20th

Play equipment

21

neck

22

Fluid inlet

23

Fluid outlet

24th

Culvert

25th

pump

26

Pump drive, drive motor

27

Instantaneous water heater

28

Channel section, outlet connection

29

Channel section, intake manifold

30th

shower

31

Pump cable

32

Actuation switch

33

House

34

35

Cable, power cord

36

37

Heating tank

38

insulation

39

cover

40

poetry

41

Pump holder

42

Pick-up device, reel

43

44

45

Filter device

46

Earth conductor

47

spray nozzle

48

Water treatment device, tablet compartment

49

Tank inlet

50

Tank outlet

51

Diaphragm pump

52

membrane

53

Valve, flap, backflow flap

54

Valve, flap, backflow flap

Claims (15)

Heating and pumping module for heating and conveying liquids, consisting of a heat generator with a heating tank and a pump, characterized in that the pump (25) is integrated in the heating tank (37). Heating and pumping module according to claim 1, characterized in that the heat generator (9) is combined with the heating container (37) and the pump (25) to form a compact structural unit. Heating and pumping module according to claim 1 or 2, characterized in that the pump (25) in the interior of the heating container (37) or Heating and pump module according to claim 1, 2 or 3, characterized in that the pump (25) is arranged in a sealed pump holder (41) and has suction and outlet connections (29, 28) leading to the outside. Heating and pumping module according to one of Claims 1 to 4, characterized in that the heating container (37) can be closed tightly by a cover (39) and has a container inlet (49) and a container outlet (50) for the liquid (2). Heating and pumping module according to one of claims 1 to 5, characterized in that the pump (25) is connected on the suction side to the interior of the heating container (37) and on the pressure side to the container outlet (50) Heating and pumping module according to one of claims 1 to 6, characterized in that the pump (25) is designed as a membrane pump (51), the membrane (52) of which is integrated into the wall or the cover (39) of the heating container (37) . Heating and pumping module according to one of claims 1 to 7, characterized in that the drive (26) of the diaphragm pump (51) is arranged outside the heating container (37). Heating and pumping module according to one of claims 1 to 8, characterized in that self-operating valves (53, 54), preferably backflow flaps, are arranged in the intake port (29) and in the outlet port (28). Heating and pumping module according to one of claims 1 to 9, characterized in that the heat generator (9) is designed as a gas or electric heater. Heating and pumping module according to one of claims 1 to 10, characterized in that the heat generator (9) is designed as a water heater (27). Heating and pumping module according to claim 10 or 11, characterized in that the heat generator (9) has an electrical heating coil (11) on the outside on the bottom of the heating container (37) and an electrically insulated (38) wall. Heating and pump module according to one of claims 1 to 12, characterized in that the heat generator (9) and the pump (25) can be switched separately. Heating and pumping module according to one of claims 1 to 13, characterized in that the heating and pumping module (10) in a portable heater (4) for heating water (2) from swimming pools and paddling pools (1) or water ( 2) is arranged for garden irrigation. Heating and pumping module according to one of claims 1 to 13, characterized in that the heating and pumping module (10) is arranged in a water supply (13) for a caravan or a mobile home.

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