EP0936329A2 - Transportable heater - Google Patents

Abstract

The heating apparatus (4) comprises a holding means (6) for its handling, with an operating stopping means (7) to stop the heating apparatus, and at least one through- channel (24) in which a motor-driven suction pump (25) is switched on. The suction side has placeable liquid-inlets (22) whilst the pressure side has communicating liquid outlets (23) of the through channel. There is a heater (27) in the channel for heating conveyed liquid from the suction pump through the channel.

Description

The invention relates to a portable heater with the features in the preamble of the main claim. Such a portable heater is known from DE 19 20 515 U1. It is used to heat the water in an outdoor swimming pool. The heater has a burner fueled with heating oil with a combustion chamber, a heating oil tank, a water boiler, a circulation pump with a corresponding pipe system and control equipment. The heater can also heat the air in an air-filled hall with the exhaust gases from the oil burner. The heater is on a mobile
Underframe arranged. Due to the oil burner and the heating oil tank, the device is very heavy, builds very large and makes noise. It can only be operated and transported with great difficulty. The construction effort makes it expensive and uneconomical. The well-known heater is not suitable for smaller swimming pools in the leisure area.

From the literature: "Sanitary and heating technology", 1970, page 270, are other portable heaters for Swimming pool known. All devices have oil heating and have the aforementioned disadvantages.

It is therefore an object of the present invention to show better heater.

The invention solves this problem with the features in the main claim.
The heater according to the invention has a heat generator which is preferably operated with electrical current and can alternatively also work with gas. Both types allow a small design of the heater in connection with a low construction effort and a high economic efficiency. The electrically operated heater has particular advantages in terms of construction costs and size. It is also particularly economical and inexpensive. The noise emissions are reduced, there are also no and exhaust gases. The heater according to the invention particularly meets the strict approval regulations in the FRG.

The heater according to the invention is particularly suitable for smaller swimming pools in the home and leisure area. This applies in particular to swimming pools that are used outdoors, e.g. be placed in the garden. It can also be very act small baby wading pool. Because of its low The heater can also be operated by children be handled. It can either drive or carry. Especially the electrically operated heater can very easily connected to the local power supply and operated.

The heater can be designed like a toy. The housing is preferably animal-like trained and has a firm or flexible neck with a spray head that serves as a liquid outlet. The The heater has a pleasant and friendly Appearance, what an improved acceptance of a normal and sober-looking heater.

The heat generator is preferably designed as a continuous flow heater, which ensures continuous circulation and heating of the pool water. In accordance with the heat and throughput requirements, the heating and
Pump power can be controlled accordingly and preferably also regulated.

The heater according to the invention preferably has one Filter device and a water treatment device. The pumped water can be cleaned and be processed. This function as a circulation and Cleaning device can be separated from the heating function be switched. For this purpose, the heat generator and the pump can be switched separately.

The heat generator or instantaneous water heater, the Pump and piping can be used in any suitable Be trained. In the preferred embodiment the heater has a heating and pumping module in which the Heat generator and the pump combined into one unit are. This heating and pumping module is highly waterproof and insulated according to the German protection classes IPX7 or IPX8 designed and encapsulated in the heater housed. By installing the pump in a A water-filled heating container results in a special small design. The heating and pump module can be complete Unit in a simple manner in the housing of the heater assembled and connected. It is also special inexpensive and economical. It also works very quiet.

The liquid inlet is expediently at one Intake hose and the liquid outlet in one Output hose of the heater provided so that Liquid inlet and outlet without problems thereby placing it in the liquid to be heated leave the hoses hanging in the liquid be, with the remaining components outside the Place liquid next to the liquid container could be. In order to achieve the To be able to capture most of the possible applications, a hose length of at least is recommended 1.50 m.

Also in other versions of the heater without The pump is a modular construction, preferably a suction pump with integrated drive motor and the water heater expediently encapsulated splashproof housed in the device housing that preferably the Protection classes IPX5 and IPX6 or better still IPX7 or IPX8 given are. In this way, a functionally reliable Operation can also be guaranteed in cases where the Heater spray water from e.g. the swimming pool or is exposed to an unforeseen rain shower. in the In extreme cases, there is even protection against diving water, if that Unintentionally place the heater in the swimming pool or paddling pool falls.

It is also advantageous if the pump and / or the assigned drive motor via vibration damper on Device housing are suspended, so that disturbing vibrations and resulting damage or Noise pollution can be excluded. As particularly inexpensive embodiment of the Vibration damper recommends the use of Rubber buffers.

The suction pump is preferably self-priming, so that even with a longer length of the suction side Channel section of the flow channel a safe Suction is guaranteed at the start of operation. For Protection of the pump or in cases where due to the Design of the suction pump is not self-priming the supplementary is recommended Realization of a liquid tank that as Liquid reservoir is usable and its interior if necessary with the suction side channel section of the Flow channel to support the initial Suction behavior is connectable.

The suction pump can be any suitable type act, for example a vane pump, a Gear pump or a piston pump.

The drive motor is expediently designed as an electric motor, and a three-phase version can be selected to obtain a higher output. The instantaneous water heater is also preferably operated with electrical energy. The electrical energy is expediently conducted down via a suitable cable which can be connected to the lighting network using a conventional plug-in device. The power supply cable should have the quality H 05 RNF or the requirements according to
Meet the high-pressure cleaner directive and if possible have a minimum length of 5 m. When not in use, the cable can be stored in a suitable receiving device of the device, for example in a receiving compartment of the device housing or on a reel rotatably mounted on the device housing.

If necessary, it can be provided that at least one part the required electrical energy through solar energy is covered, especially on the device housing Solar cells can be installed.

Especially to maintain higher heating capacities Instantaneous water heater for operation with gaseous fuel be designed. In this case is in or on Device housing a suitable fuel tank, in particular a gas cartridge.

The heater can be made portable, the Holding means include at least one handle, the enable easy transportation. Especially at heavier weight, it is an advantage if that Heater is equipped with rolling stock, which in Connection with a pull and / or push handle enable trouble-free transportation. To do so prevent the device from sinking into soft ground, should have the largest possible diameter as rolling stock having wheels or one or more rollers provided be.

Advantageously, the heater has one in the Flow channel switched on filter device, the Contamination of the instantaneous water heater and possibly also the suction pump prevented. The filter device comprises preferably at least one filter insert that Temporarily removed for cleaning purposes and rinsed out can be. An exchange for a clean one A filter insert would be conceivable. The integrated Filter device has the further advantage that on a separate filter device for cleaning the liquid can be dispensed with. Especially in this Connection can be provided that the suction pump can be operated without the heat generator switched on, for example if only a cleaning of the Liquid is desired. It can also be done in this way use the heater as a simple suction device.

Advantageous developments of the invention can be seen in the Sub-claims emerge.

Figur 1:

ein Heizgerät in perspektivischer Darstellung und in einem typischen Einsatzfall beim Aufheizen des Wassers eines im Freien aufgestellten Schwimmbeckens,

Figur 2:

eine Vorderansicht des in Figur 1 dargestellten Heizgerätes, wobei schematisch die im Gerätegehäuse untergebrachten Funktionskomponenten dargestellt sind,

Figur 3:

eine Seitenansicht des Heizgerätes aus Figur 2 in Teildarstellung, wobei strichpunktiert weitere mögliche Gestaltungsvarianten angedeutet sind

Figur 4:

eine alternative Bauform des Heizgerätes als Spielgerät,

Figur 5:

ein Heiz- und Pumpenmodul für das Heizgerät in Seitenansicht und

Figur 6:

eine Schnittdarstellung des Moduls gemäß Schnittlinie VI-VI von Figur 5.

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

Figure 1:

a heater in perspective and in a typical application when heating the water of an outdoor swimming pool,

Figure 2:

2 shows a front view of the heater shown in FIG. 1, the functional components housed in the device housing being shown schematically,

Figure 3:

a side view of the heater of Figure 2 in partial representation, further possible design variants are indicated by dash-dotted lines

Figure 4:

an alternative design of the heater as a game device,

Figure 5:

a heating and pump module for the heater in side view and

Figure 6:

5 shows a sectional illustration of the module according to section line VI-VI from FIG. 5.

Figure 1 shows an outdoors, for example in the garden of a nearby residential building Swimming pool (1) filled with water (2). Furthermore, there is a next to the swimming pool on the Underground (3), for example a meadow, parked portable heater (4) that uses the water (2) in the swimming pool (1) to heat up. The proportions between swimming pools (1) and heater (4) are not to scale, that Swimming pool (1) is in favor of reality shown for clarity on a smaller scale.

The heater (4) has one, for example box-like device housing (5) in the upper area with holding means (6) and in the lower area with Parking means (7) is provided. The holding means (6) serve to handle the heater during its Transportes between a storage place and the in Figure 1 shown location. Using the storage facilities (7) the heater (4) on site on the Stable (3) next to the swimming pool (1) switched off.

The heater shown (4) has a relatively large heating capacity and still has one low weight and small size. To the Easy to make the mentioned transport are Parking means (7) partially designed as rolling means (8), that enable transport by road. For rolling stock (8) of the embodiment is two on both sides in the lower area of the device housing (5) rotatably mounted wheels (12). To when driving over sink into a soft surface as far as possible prevent them from having a relatively large size Executed diameter, for example, the 0.3 to 0.5 times the height of the device housing (5). The The pair of wheels is articulated in the rear Housing area so that the center of gravity of the heater in front the axes of rotation (13) of the wheels (12).

The axes of rotation (13) is also upstream Support protruding downwards from the device housing (5) (14) provided on its underside via one or has several shelves (15). In operational order Position according to Figure 1 is the heater (4) on the Wheels (12) and the support (14) on the surface switched off. During the transportation, it will Device housing (5) in the upper area around the coinciding axes of rotation (13) obliquely to the rear tilted so that the support (14) lifts off the floor and the The heater is now on the two wheels (12). In in this position it can be pulled or shone. The associated handling takes place via the holding means (6), which in the embodiment in the form of a bow-like Pull and push handle are executed in rear area of the device housing (5) over this protrudes upwards.

Instead of the pair of wheels (12) would also be, for example Use of one or more rotatably mounted rollers conceivable, because of their width also Prevent sinking into the ground (3).

Alternatively or in addition to a pull and / or The holding means can also be a push handle comprise several handles (19), which are shown in FIG are indicated schematically and a transport of the Allow heater (4). This is particularly useful for lightweight heaters. In this case could also be dispensed with rolling means (8), so that the storage means only over one or more arranged stationary on the underside of the device housing Storage areas (15 ') have, as shown in FIG. 3 is indicated by dash-dotted lines. The corresponding Storage surfaces (15 ') could be on the outer surface of the Housing bottom may be provided.

Are on the outside of the device housing (5) suitable place, in the embodiment at front housing wall, two connection devices (16) which is detachably connected to a hose. To the one is an intake hose (17) for another by a dispensing hose (18). That the Connection device (16) opposite open end of the Intake hose (17) forms a liquid inlet (22), the free end of the dispensing hose (18) Liquid outlet (23), are in the embodiment this is a water inlet and a water outlet. Because of your The hoses (17, 18) can be so flexible position that both the liquid inlet (22) as well as the liquid outlet (23) in the one from FIG. 1 emerging way below the water level in the Water of the swimming pool (1).

The portable heater (4) has one between the liquid inlet (22) and the Liquid outlet (23) extending passage channel (24). Its between the two connection devices (16) running intermediate section extends inside of the device housing (5). In this is a pump preferably a suction pump (25) switched on with an electric drive motor (26) in Drive connection is established. Both components are splash-proof or better still according to degrees of protection IPX7 or IPX8 protected against immersion inside the Device housing (5) housed, according to Figure 2 can be combined into one unit. Figure 5 and 6 show a further variant.

Furthermore, in the intermediate section of the flow channel (24) a heat generator (9) turned on, preferably is designed as a water heater (27). Of the Heat generator (9) is also splash-proof or preferably even protected against water immersion according to the Germans Protection classes IPX7 or IPX8 inside the device housing (5) housed. The instantaneous water heater (27) heats up continuously the pumped water (2). The The suction side of the suction pump (25) is above the connected suction hose (17) with the Liquid inlet (22) in connection. The print side of the Suction pump (25) communicates via the discharge hose (18) with the liquid outlet (23). The instantaneous water heater (27) is expediently located on the pressure side Channel section (28) of the flow channel (24).

Electric or gas powered instantaneous water heaters (27) can be designed in any suitable manner. Preferably, the flowing water (2). The instantaneous water heater (27) e.g. a coiled pipe section which by electric heating wires is surrounded. Alternatively, too indirect heat transfer with a heat exchanger to be available.

By means of one arranged on the outside of the device housing (5) Actuation switch (32) can be the electrical Drive motor (26) and thus the suction pump (25) in operation put. As a result, water from the swimming pool (1) sucked in, through the flow channel (24) promoted and back into the liquid outlet (23) Swimming pool (1) issued. Via the operating switch (32) can also be the instantaneous water heater (27) Put operation into operation. It causes heating of the continuously pumped water so that the water temperature of the water emerging at the liquid outlet (23) is higher than that of the liquid inlet (22) entering water. In this way the water (2) of the swimming pool (1) through the heater (4) practically circulated and heated up.

A gear pump, for example, comes as the suction pump (25) or piston pump for use. It is convenient self-priming and therefore allows without special measures a suction even if the suction-side channel section (29) of the flow channel (24) is completely or partially emptied.

Will not be one, especially for cost reasons self-priming suction pump (25) is recommended the equipment of the heater (4) with one in FIG. 2 dash-dotted liquid tank (33) - In the present case a water tank - in which a reservoir is attached Water can be provided, which is used for Commissioning in the suction-side duct section (29) of the flow channel (24) can feed. This is between the interior of the liquid tank (33) and the Suction-side channel section (29) expediently Valve (30) switched on, which can be opened if necessary or at the start of operation by an appropriate control opens automatically.

It would also be conceivable that the liquid tank (33) directly in the course of the flow channel (24) turn on, like that e.g. Figure 5 and 6 illustrate.

To operate the heater (4) without disruptive Vibrations, shocks or resonances too allow, at least the suction pump (25) and the Drive motor (26) via suitable vibration dampers (34) be hung on the housing side. In the embodiment there is a joint suspension of the Motor-pump assembly, with vibration damper (34) simple rubber buffers can be used. Others too Internal parts of the device housing (5) can be in the appropriate Suspended and decoupled from the device housing (5) be.

The required to operate the drive motor (26) electrical energy is via a suitable electrical Cable (35) fed that at least the quality H 05 RNF should have. It has one at the free end Plug device (36) of conventional type, the one Allows connection to a power grid, whereby expediently an operation with 220 or 230 volts can be done.

To also a distant one from the power supply network To enable operation, the power cable (35) should be a sufficient length of at least 5m, for example exhibit. One provided on the heater (4) Recording device (42) enables the recording of the currently not required length section of the cable (35). In the embodiment, one is from a reel formed receiving device (42) is provided, which for example on the outside of the rear housing wall and winding and unwinding the cable (35) allowed. Alternatively, a particular could also be in the Device housing (5) recessed compartment (43) be provided, which is indicated by dash-dotted lines in FIG. 3 and in which the cable (35) when not in use can accommodate.

Another receiving device (44) for receiving the tubing (17, 18) that is not required is expedient also available. It contains in the embodiment one or more protruding from the device housing (5) Holding arms around which the expediently at least Wrap 1.5 m long hoses around when not in use to let.

Will the water heater (27) in the preferred manner operated with electrical energy, the Energy supply also via the cable (35). It would be also conceivable at least part of the energy required to provide about solar energy and the heater (4) to be equipped with solar cells, for example.

Especially if a higher heating output is required, a water heater (27) can be provided, which with gaseous fuel is operated. In this case is on board the device housing (5) suitable gas tank, especially a replaceable one Gas cartridge.

According to the requirements, the heater (4) can be used for different performances can be designed. Typically is the total power consumed in practice in the Range between 1 and 3 kW. To achieve larger ones Performances could be the drive motor (26) Three-phase motor.

To prevent the suction pump (25) and the Dirty or block the instantaneous water heater (27) preferably in the flow channel (24) Filter device (45) switched on. it is located expediently in the suction-side channel section (29) and keeps sucked in through the liquid inlet (22) Impurities back. Preferably contains the Filter device (45) a basket-like, for example 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.

Thanks to the integrated filter device (45) an additional filter for cleaning the water to be dispensed with. It would also be conceivable for the heater (4) only as a circulation pump for water purification use by switching the instantaneous water heater off or is switchable as required. It would be conceivable here a multi-stage operating switch (32) which in the first stage only the suction pump (25) and only in the second stage also the instantaneous water heater (27) in operation puts. Of course, there would also be separate ones Actuation switch possible.

The heater 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 a variant of the heater (4). In figure 5 and 6 is a side view of a heating and pumping module (10) and a sectional plan view shown in the Heater (4) of Figure 1 to 4 can be used.

The heater (4) of Figure 4 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 following in more detail explained heating and pump module (10) is housed. Of the Body has four feet (7) with which it is on the ground (3) stands. Alternatively or additionally you can also Rolling media (8) must be available. At the bottom of the with Distance above the floor (3) is the body Receiving device (42) for the cable (35) housed. On the top, the housing (5) can have a seat, a Have saddles or the like for children.

The housing (5) can be multi-part and removable. It preferably has the liquid inlet on the back (22) who in any way connected to a water supply connected. This can be an external one Water supply, e.g. a water pipe. It can but here also e.g. the suction hose shown in Figure 1 (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 the 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. those shown in Figure 1 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. Even the aforementioned Filter device (45) can be in the spray head (47) be housed.

The heater (4) can have one or more ground anchors (46) have the releasable or operable on demand Heater (4) can be arranged. The ground anchor (46) can in the operating position on the one hand as a fastening and serve as an electrical earth conductor. The heater (4) can be at the desired location on the swimming or Paddling pool (1) positioned and then stationary be attached. The floor anchor (46) prevents a Child throws the heater (4) into the water (2) or that the The heater (4) accidentally falls over. The ground anchor (46) can be made of any suitable material, e.g. Plastic or metal and any one have appropriate training. In the shown Embodiment is at the bottom of at least a pointed foot (7) or elsewhere Screw mandrel, a herring or earth hook or the like. Other suitable device as a ground anchor (46) attached, the is drilled or turned into the earth when the heater (4) stands on the floor (3).

Inside the housing (5), the heater (4) can 4 shows the same configuration as in the exemplary embodiment from Figure 1 to 3. In particular here Passage channel (24) a filter device (45) arranged. This can be in front of or behind the heating and pumping module (10) Housing (5) housed or in the aforementioned manner alternatively or additionally positioned in the spray head (47) be. 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 4 can also a double function as a pure circulation device without Have heating and as a heater with heating. On the The various functions can be selected using switches (32).

The heater (4) shown in Figure 4 and the following described heating and pump module (10) are with electric current operated. The heating power can for example between 1 and 3 KW. The heater (4) also has a dry run protection and a 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 There is a temperature controller for the water temperature. The protection class is used for electrical protection

IPX 7 or 8 preferred. Depending on the application of the Heater (4) can use special filters Protection against algae etc. are used.

Figures 5 and 6 show the aforementioned heating and pumping module (10), the heat generator (9) and the Instantaneous water heater (27) with the pump (25) and one Liquid tank (33) or a heating container (37) combined. The heating and pumping module (10) is preferably with electrical current through one or more Cable (31.35) operated. The heating and pumping module (10) is in the heater (4) connected to the passage channel (24).

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 embodiment shown, the heat generator (9) a heating tank (37) which e.g. pot-shaped and with a lid (39) on top suitable seals (40) is tightly closed. in the Heating tank (37) is the water to be heated (2). The heat is generated by an electric heater, e.g. a 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. Of 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) is located in the heating tank (37). she can with appropriate design and insulation in Water bath (2). In the preferred embodiment is 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 or duct section (29) with the Water bath (2) connected in the heating tank (37). Of the Intake socket (29) protrudes through the wall of the pump holder (41) sealed to the outside. The pump is on the outlet side (25) with a channel section or outlet connection (28) connected to the passage channel (24). The outlet connector (28) penetrates also sealed the wall of the pot-like Pump holder (41) and is then through the water bath (2) and the wall of the heating container (37) over a Container outlet (50) led to the outside. The heating tank (37) has a nozzle-like at another suitable location Container inlet (49) through which the water to be heated in the container interior can flow. The tank inlet (49) is also on the supply side with the passage channel (24) connected.

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 through the liquid inlet (22) Passage channel (24) and the container inlet (49) after. Of the Afterflow can also be secured in other ways. The cycle can also be reversed by using the Pump (25) the cool water (2) from a feed pipe sucks and in the heating container (37) for heating and Pumping forwarding to the liquid outlet (23).

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 be. It has a suitable drive (26). The pump power cable (31) and the cable (35) for the Heating coil (11) can be connected to one another. To the Switching the heating coil (11) and the pump on and off (25) a switch (32) on the heating and pump module (10) be arranged. The switch (32) leaves a selective Switch on the components, the pump (25) with and can run without heating coil (11). In this version the heating and pumping module (10) functions as Instantaneous water heater (27), which circulates the permanent Water in the heating tank (37) warmed. The water (2) can alternatively can also be pumped in cycles. In the preferred embodiment, the heating power is tax and adjustable. In addition, the pump output in appropriately changed and controlled or regulated become.

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. Especially 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 become. Furthermore, the heat generator (9) can be intermittent work, with a water reservoir heated periodically is pumped around.

In a further modification, the heater (4) on the Water suction side another suitable Have dry running protection, e.g. a 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. In a further modification, the one in FIGS. 5 and 6 shown heating container (37) in the place of Continuous-flow heater (27) in FIG. 1 occur with the pump (25) as upstream in Figure 1.

The heater (4) and in particular the heating and pump module (10) are splashproof or suitable better protected against immersion and have one appropriate electrical insulation. In a alternative design, the heater (4) can also Swimming pools (1) are operated and if necessary be buoyant.

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

Wheels, pair of wheels

13

Axis of rotation

14

support

15

Storage space

15 '

Storage space

16

Connection device

17th

Suction hose

18th

Dispensing hose

19th

Handle

20th

Play equipment

21

neck

22

Fluid inlet

23

Fluid outlet

24th

Passageway

25th

pump

26

Drive motor

27

Instantaneous water heater

28

Channel section, outlet connection

29

Channel section, intake manifold

30th

Valve

31

Pump cable

32

Actuation switch

33

Liquid tank

34

Vibration damper

35

Cable, power cord

36

Connector

37

Heating tank

38

insulation

39

cover

40

poetry

41

Pump holder

42

Pick-up device, reel

43

Compartment

44

Holding device, holding arm

45

Filter device

46

Ground anchor

47

spray nozzle

48

Water treatment device, tablet compartment

49

Tank inlet

50

Container outlet

Claims (13)

Heater for heating a liquid in a container, in particular for heating water in a swimming pool, in particular set up outdoors, consisting of a portable housing with a liquid inlet, a liquid outlet, an internal line system, a heat generator and a pump, characterized in that the Heat generator (9) is designed as a gas or electric heater. Heating device according to claim 1, characterized in that the heat generator (9) is designed as a continuous-flow heater (27). Heater according to claim 1 or 2, characterized in that the heater (4) has a filter device (45). A heater according to claim 1, 2 or 3, characterized in that the heater (4) has a water treatment device (48). Heater according to one of claims 1 to 4, characterized in that the heat generator (9) and the pump (25) can be switched separately. Heating device according to one of claims 1 to 5, characterized in that the heating device (4) is designed as a game device (20). Heater according to one of claims 1 to 6, characterized in that the heater (4) has one or more floor anchors (46) for optional attachment to the installation site. A heater according to claim 6 or 7, characterized in that the game device (20) has an animal-like housing (5) with a neck (21) and a spray head (47) designed as a liquid outlet (23). Heating device according to one of claims 1 to 8, characterized in that the heating device (4) has a heating and pumping module (10) in which the heat generator (9) and the pump (25) are combined to form a structural unit. Heating device according to one of Claims 1 to 9, characterized in that the pump (25) is arranged in a sealed, closed heating container (37) which can be filled with water (2) and which is provided by a heat exchanger (11), preferably an external electrical heating coil , is heated. A heating device according to claim 10, characterized in that the pump (25) is arranged dry in a pump holder (41) and the water (2) is sucked out of the heating container (37) by means of an outflow pipe (29) and is provided with an outlet pipe (37). 28) pumps out of the heating container (37). Heating device according to one of claims 9 to 11, characterized in that the heating container (37) and the pump (25) are connected to a passage channel (24) which is connected to a liquid inlet (22) and a liquid outlet (23) of the heating device ( 4) is connected. Heating device according to one of claims 1 to 12, characterized in that the heating device (4) or its components and in particular the heating and pumping module (10) are designed to be splash-proof or immersion-proof.

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