DE8136210U1 - ELECTRIC HEAT STORAGE UNIT - Google Patents

Description

KKW Kulmbacher air conditioning units - Our sign Werk GmbH VPA 81 G δ 5 5 7 QE

Electric heat storage heater

The invention relates to an electric heat storage heater according to the preamble of this claim 1.

1o

Electric heat storage heaters of the type mentioned in the preamble of claim 1 are already ) has been used for quite some time. In operation such

Devices are switched off with cold air coming from the neighboring cold air room in the respective warm air room the associated storage core coming hot air mixed. The degree of mixing is determined by the bimetal strip, which positions the flap so that the air passage cross-section from the cold air space to the warm air space assumes a size corresponding to the desired degree of mixing. The one to be blown out of the warm air room Air must not exceed a temperature determined by safety standards. That will by setting the flap accordingly with j 25 ensured by means of the bimetal strip, but at least not optimal if, for example, as often required, among other things, in schools, completely relaxed in the mornings and at the same time during Maintain the maximum permissible blow-out temperature for as long as possible after the removal of storage shall be.

The invention is based on the object, the bimetal control of the heat storage heater in the preamble of claim 1 mentioned type in such a way that there is a shortened depletion

) Bee 25 Bes / 11.11.1981

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for as long as possible during depletion maximum permissible discharge temperature results.

The object set is according to the invention by those specified in the characterizing part of claim 1 Training solved.

Appropriate training and further developments of the subject matter of the invention are specified in claims 2 and 3.

The design specified in claim 1 is a very effective reinforcement of the influencing the flap Bimetal force achieved. This force arises neither by shortening nor by widening the Bimetal strip achievable. In the first case, if the bend is too large in the cold state, it is permanent Deformation of the bimetal strip to fear, while in the second case the bending of the bimetal strip in the transverse direction reduces the actuating force for the flap.

( In the drawing, an embodiment of the

Invention shown.

Show it:

Fig. 1 is a side view of the lower part of an electric heat storage heater

on average,

FIG. 2 shows an enlarged illustration of the view along line II-II in FIG. 1. 35

In Fig. 1, 1 is a rear wall of an electrical

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storage heater called.

The rear wall 1 has an inflow opening 2 through which cold air can be conveyed into a cold air space 3 by means of a fan 4 arranged in the cold air space 3.

A hot air chimney 5 extends from the cold air space 3 and separates the rear wall 1 from a storage core 6.

The memory core 6 contains transverse channels, not shown, which connect the hot air chimney 5 with a hot air duct 7 between the storage core 6 and a front wall 8 is arranged, which has a blow-out opening 8a.

The hot air duct 7 opens into a mixed air space 9 adjacent to the cold air space 3, from which the warm air can be blown out through the outlet opening 8a into a space to be heated.

A wall 1o separates the cold air space 3 from the mixing space 9.

There is a through recess in the wall 1o 11th

On the side of the wall 1o facing the mixing space 9, a flap 12 is articulated with which the Air average cross section from the cold air space 3 to the mixing space 9 can be determined.

The flap 12 is controlled by a bimetal strip 13, the front wall 8 of which faces The end is clamped in a carrier 14 and the free end of which engages the flap 12.

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Parallel to the plane of the bimetallic strip 13 that is effective for the flap 12, there are two further bimetallic strips 15 arranged, which are also clamped in the carrier 14 and in the example shown also attack the flap 12, so the

have the same length as the bimetallic strip 13.

So that the force of the bimetallic strips 13, 15 is three times higher than that of the bimetallic strips 13, 15 the friction between the bimetal strips is significantly reduced, two are adjacent Bimetal strip separated by a wart 16, the

carried by one of these two bimetal strips

yy is.

15th

Not every bimetal strip has to attack the flap 12. In a manner not shown can also

j only one of the bimetal strips 13, 15 on the flap

12 rest, while the other bimetal strips are equally long or shorter in steps.

2 figures

3 claims

Claims (1)

! - 5 - VPA 81 G 8 5 5 7 DE _s Protection claims j 1, electric heat storage heater, with a cold j air room (3), one next to the quay air room (3) > 5 orderly mixed air room (9) and one the two ■ Wall (io) separating rooms (3,9), which has a I has passage recess (11) which is through a j flap (12) can be closed, an * l- 'the free one End of a one-sided einaspai-Usi .. " s flap-1o position-determining bimetallic strip. - ^ s (13) an-I attacks, thereby marked- I (/ net that parallel to the one in relation to the flap (12) effective level of the bimetallic strip (13) at least another, equally clamped bimetallic strip 15 (15) is arranged and that adjacent bimetallic strips (13, 15) separated by a wart (16) which is carried by one of these bimetal strips. 2o 2. heat storage heater according to claim 1, characterized in that all Bimetal strips (13, 15) are of equal length. ■■ / 3. Heat storage heaters according to claim 1, d a - 25 characterized in that only I one of the bimetal strips (13 or 15) on the flap pe (12) is applied and all other bimetal strips are equally long or shorter in steps.