DE102019126559A1 - radiator - Google Patents

Abstract

The invention relates to a heating element (1) with at least two heating plates (2) aligned parallel to one another, a plurality of connecting pieces which define a distance (9) between two heating plates (2) and at least one fan unit (4), the heating plates (2 ) a heat transfer fluid can flow through at least one flow and return connection, and the heating plates (2) each have a horizontally running distribution channel, a likewise horizontal collecting duct (6) and a plurality of perpendicular to the distribution duct and the collecting duct (6) Have heating channels (8) which are fluidly connected on the one hand to the collecting channel (6) and on the other hand to the distribution channel, with a recess (7) between adjacent heating channels (8) which, in comparison with the distribution channel and the collecting channel (6 ) - viewed in a direction perpendicular to a tangential plane to the heating channels (8) - deep r is located, wherein the fan unit (4) has a carrier (10) and a plurality of fans attached to the carrier (10) in a force-transmitting manner, the carrier (10) being elongated, the fans thereon in at least one row one behind the other and the fan unit (4) is detachably fastened to at least one heating plate (2) by means of its fastening elements (14). To provide a heating element which is suitable for operation with low flow temperatures and which is particularly easy to install a fan unit It is provided that the fastening elements (14) with rear hooking members (21) each engage in one of the recesses (7), whereby holding forces can be introduced via the rear hooking members (21) into wall sections of the opposite collecting channels (6).

Description

introduction

The invention relates to a radiator with at least two heating plates aligned parallel to one another, a plurality of connecting pieces that define a distance between two heating plates and at least one fan unit, wherein the heating plates can be flowed through by a heat transfer fluid through at least one flow and return connection, and the heating plates each have a horizontally running distribution duct, a likewise horizontally running collecting duct and a plurality of heating ducts running perpendicular to the distribution duct and the collecting duct, which are fluidically connected on the one hand to the collecting duct and on the other hand to the distribution duct, with a recess being located between adjacent heating ducts, which in comparison with the distribution channel and the collecting channel - viewed in a direction perpendicular to a tangential plane to the heating channels - is located lower, the fan unit having a support and has a plurality of fans fastened to the carrier in a force-transmitting manner, the carrier being elongate, the fans being arranged on it in at least one row one behind the other and the fan unit being releasably fastened to at least one heating plate by means of its fastening elements.

State of the art

As a result of current developments with regard to renewable heating technologies, such as heat pumps, condensing heating systems and solar heating systems, today's radiators are typically fed with flow temperatures in the range of only around 35 ° C to 45 ° C. The consequence is a reduced output of the radiators, which leads to insufficient heating of the room to be heated. In particular, due to the reduced flow temperature, the natural convection, which contributes significantly to the heating of the room, is reduced. To solve this problem, fan units are known which are arranged under the radiator. By means of fans arranged on the fan unit, the natural convection is supported by accelerating the air flowing out of the radiator. Overall, an improved introduction of the heated air into the room is made possible.

A fan unit described above is based on the Dutch patents NL 2018321 and NL 2018328 emerged. A fan unit is described here which has a carrier and a plurality of fans attached to the carrier. The carrier has permanent magnets, by means of which the fan unit can be fastened to an underside of the radiator.

The disadvantage of the fan units listed in the prior art is that, depending on the strength of the permanent magnets used, precise positioning of the fan unit has proven to be difficult. However, a certain strength is required, in particular with regard to the weight of the fan unit, in order to be able to hold the fan unit securely and firmly on the radiator. Furthermore, the known fan units are attached to the underside of the radiator, so that the fan unit remains recognizable in an installed state and thus influences the visual appearance of the radiator.

task

The object of the present invention is to develop an alternative heating element which is suitable for operation with low flow temperatures and is characterized by a particularly simple installation of a fan unit.

solution

Starting from the heater mentioned at the beginning, the above object is achieved in that the fastening elements with rear hooking members engage in each of the recesses, whereby holding forces can be introduced via the rear hooking members into wall sections of the opposite collecting channels.

The radiator according to the invention has many advantages. A particular advantage of the radiator is that the fan unit of the radiator can be attached to the radiator particularly easily and quickly. The fan unit is pushed from an underside of the radiator into a space between the two heating plates. In particular, no further adaptation of the radiator is necessary in order to attach the fan unit to the radiator. Rather, the recesses of the radiator are used to fix the fan unit to the same. Furthermore, no tools are advantageously required. There is also no need for any further adjustment of the fan unit. The fan unit provided with fans can thus increase the natural convection of the radiator and thus contribute to an improved warming of the room. Since the fan unit can no longer be seen from the outside after installation, the visual appearance of the radiator is advantageously not affected.

According to an advantageous embodiment of the invention it is provided that the Fastening element has two opposite rear hook members. Advantageously, the holding forces which act on the fan unit due to the force of gravity can thus be introduced uniformly into the wall sections of the opposite collecting ducts. The fan unit can therefore be anchored particularly securely on the radiator. In particular, this can prevent the fan unit from being inadvertently released from the space as a result of an uneven load on the fastening element.

An advantageous embodiment of the invention provides that the fastening element is designed as a clip with a free end facing the carrier, the clip preferably having a D-shape. It is preferably provided that the shape of the bracket is adapted to an outer contour of the heating plate facing the space so that the bracket is in positive contact with the heating plate when the fan unit is installed. The holding forces are thus introduced into the respective wall section via a contact surface.

A further embodiment of the invention provides that the rear hook members can be moved with at least one component of their movement to the tangential plane. The tangential plane to the heating ducts is to be understood as the typically vertical plane in the installed state of the radiator, which arises from the fact that a (vertical) plane is brought so far to a (vertically oriented) radiator that the plane with the greatest possible number of , typically with all of the heating channels. Provision is made for a width of the fastening element in an expanded state of the fan unit to be greater than the distance between the two heating plates in a region of the collecting ducts. In order to be able to anchor the fastening element in the intermediate space, it is particularly advantageous if the rear hooking members can be moved relative to the tangential plane, preferably perpendicular thereto, in order to adapt the width of the fastening element in such a way that the fastening element can be inserted into the intermediate space. It is preferably provided that the rear hooking elements are designed to be elastic, so that the same return to their original shape as soon as the rear hooking elements are in contact with the wall sections of the opposite collecting channels. This ensures that the fan unit is firmly and securely anchored to the radiator.

Likewise, according to a further feature of the invention, it is provided that the rear hook members are pretensioned in the direction of a base of the associated depression or are adjustable in the direction of the base of the depression. It is conceivable here that such a pretensioning or adjustment of the rear hooking elements takes place by means of a tool by rotating an eccentric or by inserting an expander wedge. Advantageously, the tension of the rear hook members can thus be changed as a function of a size of the heating element, so that the fastening element can be used for heating elements of different sizes. This is particularly advantageous with regard to the manufacture of the fastening elements, since they can be used universally in this way.

A particularly advantageous further development of the heater according to the invention provides that the fastening element - viewed in the longitudinal direction of the carrier - is arranged in end sections of the carrier. It can preferably also be provided that the fan unit has a further fastening element which is arranged in a central section of the carrier. A further fastening element is particularly useful when the fan unit is dimensioned correspondingly large due to the size of the heating element and thus has a corresponding weight that the fastening elements have to carry.

An advantageous embodiment of the invention provides that the fastening element can be pushed into the carrier and / or can be fastened to the carrier in a force-transmitting manner by means of a fixing element. It is preferably provided that the carrier is designed in the form of a sheet metal that is folded over on an upper side in such a way that an intermediate space is formed into which the fastening element can be inserted. In addition, it is provided that the fastening element has a fixing element, by means of which the fastening element can also be anchored on the carrier. The fixing element can be designed, for example, as a wedge-shaped projection. Another embodiment of the invention provides that the carrier has a receptacle for the fixing element.

An installation position of the fastening element on the carrier is marked by means of the receptacle. The receptacle interacts with the fixing element in a particularly advantageous manner. It is provided that the fixing element is pushed into the receptacle or is designed in such a way that it snaps into place in the receptacle.

Furthermore, it is also provided according to the invention that between a contact area of at least one heating plate, preferably between opposite contact areas of two heating plates, and the carrier, preferably on its opposite longitudinal edges, an intermediate element is arranged, which ensures a distance between the carrier and the heating plate. A distance between the aforementioned components prevents physical contact, which is particularly advantageous in connection with vibrations that may be caused by the fans when the support and heating plates are made of metal. The intermediate element should preferably consist of a plastic or cork or some other elastic material (in any case not of metal). The intermediate element can be connected both to the heating plate and to the carrier or to the fastening element of the carrier. It is also possible to apply a coating made of rubber material or in the form of a rubber buffer.

It is particularly advantageous to form the intermediate element as part of a clamping element for connecting the fastening element to the carrier, especially if the clamping element is made of a plastic material anyway and is then guided into a gap between opposite contact areas of the carrier and the heating plate.

Figure list

The invention described above is explained in more detail below with reference to exemplary embodiments which are shown in the figures.

• 1: eine perspektivische Ansicht eines erfindungsgemäßen Heizkörpers,
• 2: eine perspektivische Ansicht einer Ventilatoreinheit aus 1,
• 3: wie 2, wobei Befestigungselemente in einem Einbauzustand vorliegen,
• 4: einen vertikalen Schnitt durch Heizkörper aus 1,
• 5: wie 4, wobei die Ventilatoreinheit in einem Einbauzustand vorliegt,
• 5: eine perspektivische Ansicht einer weiteren erfindungsgemäßen V enti latoreinheit,
• 7: eine weitere perspektivische Ansicht der Ventilatoreinheit aus 5,
• 8: eine perspektivische Ansicht einer weiteren erfindungsgemäßen Ventilatoreinheit und
• 9: wie 8, wobei Befestigungselemente in einem Einbauzustand vorliegen.

It shows:

• 1 : a perspective view of a heater according to the invention,
• 2 : a perspective view of a fan unit from FIG 1 ,
• 3 : how 2 , wherein fastening elements are in an installed state,
• 4th : a vertical section through radiators 1 ,
• 5 : how 4th , wherein the fan unit is in an installed state,
• 5 : a perspective view of a further ventilator unit according to the invention,
• 7th : Another perspective view of the fan unit from 5 ,
• 8th : a perspective view of a further fan unit according to the invention and
• 9 : how 8th , wherein fastening elements are in an installed state.

The radiator according to the invention 1 which in the 1 to 9 shown comprises two heating plates aligned parallel to one another 2 , a plurality of connectors 3 as well as a fan unit 4th

The heating plates 2 of the radiator 1 are each made of two metal sheets connected to one another in an edge area 5 , in particular made of steel. While a collecting channel 6th of the radiator 1 in a lower edge area of the heating plate 2 is arranged, there is a distribution channel not shown in the figures in an upper edge region of the heating plate 2 . The distribution channel as well as the collecting channel 6th are each designed as an elongated cavity and in one of the two horizontally extending edge areas of the heating plate 2 arranged.

The sheets 5 are shaped in a central area in such a way that they each have elongated, trough-like depressions 7th are provided, which in comparison with the distribution channel and the collecting channel 6th are located deeper in a direction perpendicular to a tangential plane. In a connected state of the sheets 4th are the depressions 7th the heating plates 2 congruent and liquid-tight to one another. The ones with a view to the wells 7th raised areas of the heating plates 2 form hollow heating channels 8th from which flow with the distribution channel on the one hand and the collecting channel 6th on the other hand are connected.

A heat transfer fluid, which is used for the heating plate 2 - and thus the surrounding room - can be heated via the distribution duct into the heating ducts 8th be initiated. The heat transfer fluid flows into the heating channels 8th and heats the two sheets 4th . The ones on the metal sheets 4th transferred heat of the heat transfer fluid is given off to the room by means of convection and thermal radiation. The cooled heat transfer fluid finally collects in the collecting channel 6th . To the heating plates 2 with the heat transfer fluid, typically water, to be supplied and this after cooling of the same again from the heating plates 2 to be able to derive, are the heating plates 2 provided with inlet and outlet bores, not shown in the figures, which are used to connect the heating plates 2 are provided with a flow and return connection.

The connectors 3 , which are each on an inside of the heating plates 2 are attached, as in 4th shown a distance 9 between the heating plates 2 firmly.

The fan unit 4th , which are also in the 2 and 3 shown has an elongated beam 10 and a plurality of to the carrier 10 fans attached in a force-transmitting manner, not shown in the figures. The carrier 10 is designed as a sheet metal, the longitudinal ends of the sheet metal being folded over twice. Furthermore, the carrier 10 , as in 3 shown in - in a longitudinal direction 11 of the wearer 10 considered - end sections 12th two elongated recordings 13th for receiving one fastening element each 14th on. The individual fans are in one between a top 15th and a bottom 16 of the wearer 10 located space 17th can be pushed in so that the fans can be arranged in a row one behind the other. The fasteners 14th show how in 4th shown, one base each 18th as well as on both sides of the base 18th two clamping elements each 19th on. The base 18th also has a fixing element 20th on, wherein a cross section of the fixing element 20th the recording 13th of the wearer 10 corresponds to. The fasteners 14th are so releasable on the carrier 10 attachable that the fixing element 20th in the recording 13th intervenes. By means of the clamping elements 19th let the fasteners 14th on the folded top 15th of the wearer 10 anchor, the clamping elements 19th the folded top 15th of the wearer 10 encompass. Furthermore, the fastening elements 14th two opposing rear hook links 21 on, which are designed as D-shaped brackets, the brackets each one to the carrier 10 Free end facing the carrier 22nd exhibit. The rear hook links 21 are designed to be elastic in this case that a width 23 of the fastener 14th can be reduced in size. To the fan unit 4th on the radiator 1 to fix, it is provided to the carrier 10 the fan unit 4th including its fastening elements 14th as in the 4th and 5 shown in the gap 17th between the two heating plates 2 insert. Here are the rear hook links 21 deformed so that the width 23 of the fasteners 14th at about a distance 24 between the collecting channels 6th the heating plates 2 corresponds to. Once the rear hook links 21 the collecting channels 6th have happened, take the rear hook links 21 their original width 23 again, which is about a length of the connecting pieces 3 and thus the distance 9 between the heating plates 2 in the area of the heating ducts 8th corresponds to. This results in holding forces that act on the fan unit due to the force of gravity 4th act in wall sections 25th of the opposite collecting channels 6th initiable. In an installed state of the fan unit 4th are the rear hook links 21 with the wall sections 25th of the collecting channels 6th , how 5 shown in contact.

6th and 7th show a further fan unit according to the invention 4th . The fan unit 4th differs in that the fasteners 14th also a base 18th as well as a fixing element 20th , but do not have any clamping elements. In turn, the fasteners point 14th one on each side of the base 18th extending retaining foot 26th on. The fasteners 14th are here also in such a way to the carrier 10 positioned that the fixing element 20th in the recording 13th of the wearer 10 is inserted. Here is the fixing element 20th wedge-shaped, so that the fixing element 20th in an installed state frictionally with the carrier 10 connected is.

8th and 9 show a further fan unit according to the invention 4th . Here are the fasteners 14th designed such that they only by means of their fixing elements 20th to the carrier 10 are attachable. It is provided that the fastening elements 14th after inserting the same into the receptacle 13th of the wearer 10 by 90 ° so that the fixing elements 20th not without twisting the fasteners 14th on the recording 13th are solvable.

From the 4th and 5 it can be seen that an upper leg of the clamping element 19th , with which a connection between the carrier 10 and the respective fastening element 14th can be produced as an intermediate element 28 is executed. The intermediate element 28 , which can also be viewed as a separating element, is like the clamping element 19th and the fastener 14th made entirely of a plastic material. Out 5 it can be seen that in the assembled state of the fastening element 14th and thus also of the wearer 10 , the opposing intermediate elements 28 a direct contact between the metallic carrier 10 and the likewise metallic heating plates 2 prevent the intermediate elements 28 with their longitudinal edges with the respective contact areas 27 the opposite heating plates come into contact. In this way, noise development, which could not be ruled out in the case of direct contact with metallic components, is prevented.

List of reference symbols

1

radiator

2

Heating plate

3

Connector

4th

Fan unit

5

sheet

6th

Collecting duct

7th

deepening

8th

Heating duct

9

distance

10

carrier

11

Longitudinal direction

12th

End section

13th

admission

14th

Fastener

15th

Top

16

bottom

17th

Space

18th

Base

19th

Clamping element

20th

Fixing element

21

Rear hook link

22nd

free end

23

width

24

distance

25th

Wall section

26th

Holding foot

27

Contact area

28

Intermediate element

QUOTES INCLUDED IN THE DESCRIPTION

This list of the documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• NL 2018321 [0003]
• NL 2018328 [0003]

Claims (10)

Heating element (1) with at least two heating plates (2) aligned parallel to one another, a plurality of connecting pieces which define a distance (9) between two heating plates (2) and at least one fan unit (4), the heating plates (2) each having at least a flow and return connection can be flowed through by a heat transfer fluid, and the heating plates (2) each have a horizontally running distribution channel, a likewise horizontally running collecting duct (6) and a plurality of heating ducts (8) running perpendicular to the distribution duct and the collecting duct (6) have, which are fluidly connected on the one hand to the collecting channel (6) and on the other hand to the distribution channel, with a recess (7) between adjacent heating channels (8) which, compared with the distribution channel and the collecting channel (6) - in a Direction perpendicular to a tangential plane to the heating channels (8) viewed - is located deeper, with the vent The fan unit (4) has a carrier (10) and a plurality of fans fastened in a force-transmitting manner to the carrier (10), the carrier (10) being elongated, the fans being arranged on it in at least one row one behind the other and the fan unit ( 4) is releasably fastened to at least one heating plate (2) by means of its fastening elements (14), characterized in that the fastening elements (14) with rear hooking members (21) each engage in one of the recesses (7), whereby holding forces via the rear hooking members (21 ) can be introduced into wall sections of the mutually opposite collecting channels (6). Radiator (1) Claim 1 , characterized in that the fastening element (14) has two opposite rear hook members (21). Radiator (1) Claim 1 or 2 , characterized in that the fastening element (14) is designed as a clip with a free end (22) facing the carrier (10), the clip preferably having a D-shape. Radiator (1) after one of the Claims 1 to 3 , characterized in that the rear hook members (21) can be moved with at least one component of their movement perpendicular to the tangential plane. Radiator (1) after one of the Claims 1 to 4th , characterized in that the rear hook members (21) are pretensioned in the direction of a base of the associated recess (7) or are adjustable in the direction of a base of the recess (7). Radiator (1) after one of the Claims 1 to 5 , characterized in that the fastening element (14) - viewed in a longitudinal direction (11) of the carrier (10) - is arranged in an end section (12) of the carrier (10). Radiator (1) after one of the Claims 1 to 6th , characterized in that the fastening element (14) can be pushed into the carrier (10) and / or can be fastened to the carrier (10) in a force-transmitting manner by means of a fixing element (20). Radiator (1) Claim 7 , characterized in that the carrier (10) has a receptacle (13) for the fixing element (20). Radiator (1) after one of the Claims 1 to 8th , characterized in that between a contact area (27) of at least one heating plate (2) and the carrier (10) an intermediate element (28) is arranged, which ensures a distance between the carrier (10) and the heating plate. Radiator (1) after one of the Claims 1 to 9 , characterized in that the intermediate element (28) is designed as part of a clamping element (19) for connecting the fastening element (14) to the carrier (10).

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