CN107407500B

CN107407500B - Housing for a thermal battery

Info

Publication number: CN107407500B
Application number: CN201680015086.2A
Authority: CN
Inventors: A·绍尔; Y·坎图尔克; M·温宁; M·厄泽莱恩
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2015-03-09
Filing date: 2016-02-25
Publication date: 2020-11-03
Anticipated expiration: 2036-02-25
Also published as: EP3268676B1; DE102015223272A1; WO2016142177A1; CN107407500A; EP3268676A1; KR20170126901A

Abstract

The invention relates to a housing (42) for a thermal battery (16) having a fan (32), a burner (28), a heat exchanger (30) and at least one exhaust system. Furthermore, the invention relates to a heating appliance (10) comprising at least one housing (42) according to the invention.

Description

Housing for a thermal battery

Technical Field

The present invention relates to a housing for a thermal battery and to a heating appliance comprising such a thermal battery.

Background

Modern heating appliances have a heating appliance housing in which the heating element of interest is located and which is usually closed in a gas-tight manner. Combustion air is drawn in from the outside by a fan through an intake channel and exhaust gases are conducted outwards through an exhaust channel which is usually guided inside the intake channel. The heat-generating components, apart from other components, are arranged in the same housing, with partitions being provided only in the region of the burner and the exhaust gas guide.

Disclosure of Invention

The invention provides that the thermal battery has at least one fan, a burner, a heat exchanger and at least one exhaust gas collector, which are arranged in a housing.

Advantageous embodiments of the housing according to claim 1 are possible by means of the features listed in the dependent claims. Thus, a simple and space-saving construction can be achieved when the housing is inside the heating appliance housing.

A cost-effective variant results when the outer jacket of the housing is formed by at least one deep-drawn part.

A stable, easily operable construction can be achieved if at least one first housing part, which is fixedly connected to the heating device, is provided with at least one second housing part, which can be connected to the first housing part.

The operability is further increased if the first housing part, which is fixedly connected to the heating device, has at least one side wall recess which can be covered by the second housing part.

A simple closing option is available if the two housing parts can be latched to one another.

In the case of small spaces, it is advantageous if the two housing parts are connected to one another in such a way that the opening of the housing can be achieved by horizontally removing or largely horizontally removing the second housing part from the first housing part.

A secure closure is achieved if a first latching means is provided in the lower region and a second latching means is provided in the upper region.

A comfortable operation is achieved if the latching mechanism arranged in the upper region of the housing can be actuated by an actuating element arranged in the front region and can transmit said actuation to the rear region via a lever or the like.

The invention also relates to a heating appliance comprising at least one housing according to any one of the preceding claims. Such a heating appliance has the following advantages: only the components necessary for generating heat are exposed to elevated temperatures. Furthermore, it is advantageous that only the enclosure belonging to the thermal battery must be hermetically closed. The other components may be placed in a more or less open housing of the heating appliance. Where the accessibility of these components is significantly improved. Furthermore, the insulation is improved when the thermal battery is placed in the housing itself and the other housing of the heating appliance is outwardly closed.

Drawings

Embodiments of a heating appliance according to the invention are shown in the drawings and are explained in detail in the following description. The figures show:

figure 1 is a schematic view of a heating appliance on a reservoir,

FIG. 2 is an oblique view of the housing of the thermal battery,

figure 3 shows the disassembled housing according to figure 2,

the upper part of the housing of fig. 4a, viewed from the side, and

figure 4b is a schematic detail view of the IVb according to figure 4a,

FIG. 5a the lower part of the housing seen from the side, an

Figure 5b is a schematic detail view according to Vb in figure 5a,

figure 6 an alternative of the housing according to figure 2,

figure 7 is an enlarged view of detail VII according to figure 6,

figure 8 corresponds to the alternative embodiment of figure 2,

figure 9 shows the lower closure part according to the embodiment of figure 8,

figure 10 shows another closed possibility from above,

other closure possibilities are shown in figures 11 to 14,

FIG. 15 is a schematic illustration of a possible assembly of the housing, an

FIG. 16 is a general configuration of the thermal battery 16.

Like components have like reference numerals in different figures and embodiments.

Detailed Description

Fig. 1 schematically shows a heating device 10, which in the present exemplary embodiment is arranged on a reservoir 12. The heating device 10 has a heating device housing 14 which receives different components depending on the degree of installation.

The thermal battery 16, the control device 18, the pump or pumps 20, and the lines 22, the cabling or bus lines 24 and the holding means 26 are located in the heating appliance 10 as essential components. The number and complexity of the individual components also depends on the degree of equipping of the heating appliance 10.

The thermal battery 16 has a burner 28, a heat exchanger 30, a ventilator 32, a valve assembly 34, and an air intake system 36 and an exhaust system 38.

The intake system 36 and the exhaust system 38 are connected to a common chimney joint 40, which guides the exhaust gases outward in an inner pipe and allows the external air to flow into the thermal battery 16 in an outer pipe.

Fig. 2 and 3 and 16 show a thermal battery 16, the housing 42 of which has a rear housing 44 and a front housing 46. The housing 42 with the two

shells

44 and 46 is arranged inside the housing 14 of the heating appliance 10 and encloses the components of the thermal battery 16 in a gas-tight or substantially gas-tight manner. The openings in the rear shell 44, which are visible in fig. 2 and 3, are arranged on the one hand in the upper region for the inlet/

outlet system

36, 38 and in the lower region for discharging the accumulated condensate or for passing cables or pipes through.

As can be seen in fig. 2 and 3, the two

housing shells

44, 46 are designed as so-called deep-drawn parts. That is, the two shells are formed from sheet material in one or more stamping and deep drawing steps. For reinforcement, the front case 46 has a structure provided with a ridge portion and a recess portion. In the rear shell 44, the base 48 is inserted separately and is connected to the sheet metal of the shell 44 for simpler production. In addition, the two

shells

44, 46 have attachments, which are discussed later.

The rear housing 44 has two sidewall recesses 50. In assembly, the side wall parts 52 of the front shell 46 fit into these side wall recesses 50. This shaping makes it possible to directly access the components arranged in the housing 42 from the side even when the housing 42 is open.

Along the intended joint of the two

shells

44, 46, a sealing device is fitted on the front shell 46, which sealing device closes the housing 42 in a gas-tight manner when closed.

The two

shells

44, 46 have latching elements 54, by means of which the shells can be locked to one another in the assembled state. For actuating the catch element 54 and for actuation, a handle 56 is attached to the front housing 46.

The upper latching element 54 is shown in fig. 4a and 4 b. On the rear shell 44, a latch plate 58 is fixed at fixing points 60. The latch plate 68 has a latch flange 62 facing the front shell 46. On the front housing 46, a plate-like catch 64 is fixed at a fixing point 66. Starting from the fastening point 66, the latch catch 64 extends in the direction of the latch plate 58. In the region of the latch plate 58, the latch detent 64 has a starting bevel 68 facing the latch collar 62.

When the housing 42 is closed, the front shell 46 is pushed in the direction of the rear shell 44, wherein the latch catch 64 is then moved with its start ramp 68 along the latch collar 62 and deflected in order to then snap behind the latch collar 62.

At the latch catch 64, the tension sheet 70 is fixed at a fixing point 72. The fastening points 72 are closer to the rear shell 44 than the fastening points 66. Furthermore, the tension sheet 70 is fixed to the upper region of the latch catch. On the opposite side of the stretch panel 70 from its fixing point 72, the stretch panel 70 is fixed to the handle 56. If the handle 56 is pulled in the direction of arrow 74, i.e., away from the rear housing 44, the latch pawl 64 moves upward along arrow 76, so that the latch pawl 64 and the latch plate 58 are separated. On the one hand, with this assembly, it is very simple to actuate the catch element 54 in the rear region by means of an accessible handle 56 in the front region. On the other hand, this type of unloading enables the front shell 46 to be pulled out horizontally with respect to the rear shell 44.

For the lower latching element 54 shown in fig. 5a and 5b, the sheet metal does not need to be stretched, since it is already in the front, accessible region. Here, the front shell 46 has an opening 80 in the lower, curved region 78, into which a spring element 82 with latching projections 84 engages. The elastic member 82 is fixed in a lower region of the rear case 44. To close the housing 42, only the front housing is moved in the direction of the rear housing, the spring element 82 being deflected in the direction of the arrow 88 by means of the actuating ramp 86 and snapping in there after reaching the opening 80. For the separation, only a pressure force in the direction of arrow 90 is required, as a result of which the detent projections 84 are lifted out of the openings 80 and a horizontal extension of the front shell 46 is possible.

By means of this assembly, it is precisely possible to pull the front shell 46 out of the housing of the heating appliance 10 horizontally in a very tight space without having to tip over.

Fig. 6 and 7 show a further exemplary embodiment of a housing 42 of the thermal battery 16. An upper fastening element 92 is used here, in the case of which a web 94 with an opening 96 into which a sheet metal projection 98 projects is fastened to the rear shell 44. In order to engage and disengage the connections with each other, the front shell 46 must be tipped. To enable this tipping, the front shell 46 has a sunken area 100. The latch-down region can then be selected similarly to the first embodiment.

Fig. 8 and 9 show two different, lower latching possibilities. In fig. 8, starting from the housing 46, the sheet metal projection 102 projects into a web 104, which can be moved for opening purposes in the direction of the arrow 106. The same principle is shown in fig. 9, wherein the web 104 of the front shell 46 here encompasses the sheet metal projection 102 of the rear shell 44 and can be opened again in the direction of the arrow 106.

The housing 42 of the thermal battery 16 is shown from above in fig. 10. Here, the latching elements are shown analogously to the above latching elements 54 of the first exemplary embodiment. Here, however, the entire handle 56 is not moved, but only the slide 108, which is guided by a guide 110 in the handle. This embodiment has the following advantages: the handle can be firmly arranged on the front shell 46 and thus the front shell can be operated more reliably.

In fig. 11, the tab 116 is moved downward by moving the lever 112 in the direction of arrow 114, which in turn deflects the spring sheet 118 downward out of the latching collar.

The flange 122 of the lever 124 is pressed out of the elastic element 126 by pressing the "push button" 120 in fig. 12.

In fig. 13, the flange 132 can be moved out of the spring element 134 by rotating the lever 128 in the direction of the arrow 130.

In fig. 14, a vertical handle 56 is mounted, which can be gripped by hand. For opening, the lever 136 is pressed, for example by a thumb, in the direction of the arrow 138, whereby the collar 140 is pulled out of the elastic element 172.

As can be seen, these latching elements are designed in such a way that they only have to be pressed into one another for assembly, i.e. for snapping in. The latching then takes place automatically.

Fig. 15 shows a simple variant in which the sheet metal projection 144 of the front shell 46 penetrates into a web 146 of the rear shell 44, for which purpose the shell 46 needs to be tilted. After the penetration, the lower region of the outer shell 46 is folded over onto the lower region of the rear shell 44 and connected to one another. For this purpose, a screw connection can be provided, for example, on the element 148 indicated by dashed lines.

A heating appliance 10 with a thermal battery 16 packed into such a housing 42 has the following advantages: the heat is just retained where it is also needed for efficient heat exchange. Furthermore, when the front case 46 can be horizontally unlocked and taken out, a compact configuration is obtained. The distance between the upper edge of the housing 42 and the housing 14 of the heating device 10 can be kept small, as a result of which a compact design of the heating device 10 can be achieved.

Claims

1. Heating device (10) having a heating device housing (14) and a housing (42) for a thermal battery (16) having a fan (32), a burner (28), a heat exchanger (30) and at least one exhaust system (38), wherein the housing (42) is located inside the heating device housing (14), characterized in that a latching mechanism arranged in an upper region of the housing (42) can be actuated by an actuating element arranged in a front region and the actuation can be transmitted to a rear region by means of a lever.

2. The heating appliance (10) according to claim 1, characterized in that the outer envelope of the housing (42) is formed by at least one deep-drawn piece.

3. Heating appliance (10) according to one of the preceding claims, characterized in that at least one first housing part (44) fixedly connected to the heating appliance (10) and at least one second housing part (46) connectable to the first housing part (44) are provided.

4. The heating device (10) according to claim 3, characterized in that the first housing part (44) fixedly connected to the heating device (10) has at least one side wall recess (50) which can be covered by the second housing part (46).

5. Heating appliance (10) according to claim 3, characterized in that the first housing part (44) and the second housing part (46) can be latched to each other.

6. Heating appliance (10) according to claim 3, characterized in that the first housing part (44) and the second housing part (46) are connected to each other in such a way that the opening of the housing (42) can be achieved by horizontally removing or largely horizontally removing the second housing part (46) from the first housing part (44).

7. Heating means (10) according to claim 1 or 2, characterized in that a first latching mechanism is provided in the lower region and a second latching mechanism is provided in the upper region.