TECHNICAL FIELD

The invention relates to an innovation in a dryer that increases the heat transfer performance and reduces pressure losses in the condenser used in dryers used for dehumidifying textile products, thereby shortening the cycle time and improving the energy performance.

BACKGROUND

In today's world, the importance of energy saving is increasing day by day. In this sense, studies and improvements are made for maximum performance in designs. Condenser dryers are generally low-energy machines. In condenser dryers; there is a closed cycle process air in which the humidity of the laundry is carried, and a cooling air operating with an open cycle, which provides cooling of the condenser fins. There are various condenser types used to increase the drying performance in these condenser dryers.

In these condensers, finned structures are generally preferred within the heat exchanger. Finned structures are in contact with the channels of the condenser and have the function of absorbing heat from the channels. The air extracted from the environment with the help of a fan hits the fins and takes the heat of the drying air. Thanks to these heat exchangers, the moist air taken from the laundry leaves its moisture to the channels along with the heat it loses. Thereby, after a continuous cycle, the laundry is dried.

In the state of the art, there are conventional condenser dryers. The said condenser dryers direct the air they extracted from the environment to the surfaces of the fins through the fan/snail system and take the heat from the fins. As the drying air passes through the cassette channels and leaves its heat to the fins, a heat transfer phenomenon occurs. According to the efficiency of the said heat transfer, the humidity of the drying air is left on the cassette channels.

It is desired that the ambient air (cooling air) is distributed to the fins as homogeneously as possible in the condenser tumble dryers available in the present technique. It is seen that the cooling air cannot be distributed homogeneously to the fins due to the positions of the fansnail and the condenser. The air hitting the cassette channels during the operation of the dryer creates a vortex due to the geometry of the channel walls. It is inevitable that the flow separation observed as a result of the vortex reduces the heat transfer performance in the fins and the channel.

The subject of the invention mentioned in the document no. KR20060039216A known in the literature is the condensing type dryer. The invention discloses a condenser having a predetermined thickness and having a plurality of condensing substrates spaced apart and arranged to be stacked. Here, a plurality of cooling fins are arranged in multiple rows between the condenser substrate plates at an inclined angle to the direction of flow of the outside air.

The invention described in the document No. CN105658866A known in the literature relates to a laundry dryer for drying clothes. In the solution, the clothes dryer may include a vented dryer or a condensing dryer. Preferably, depending on the arrangement of the internal components of the tumble dryer, especially and preferably the arrangement of the air loop and the optional fan, the tumble dryer with certain air circuit arrangement is used to maximize the heat exchange between the cooler and the process air. With such an embodiment, it is aimed to prevent the generation of vortexes.

As a result, all the above-mentioned problems have made it necessary to make an innovation in the related technical field.

BRIEF DESCRIPTION OF THE INVENTION

The present invention relates to a condenser for use in dryers in order to eliminate the above-mentioned disadvantages and bring new advantages to the related technical field.

An object of the invention is to introduce a condenser that reduces the vortex in the cooling air of dryers.

Another object of the invention is to introduce a condenser with a channel structure configured to reduce vortex in dryers.

Another object of the invention is to provide a condenser with linear air flow at the inlet of the region with fins of the cooling air in dryers. In order to realize all the above-mentioned objectives and the ones that will emerge from the detailed description below, the present invention is a condenser with at least one channel in which humid air is contacted to suck the heat of the humid air in a dryer that allows dehumidifying textile products. Accordingly, its innovation lies in that the channel comprises at least one narrowed form on the air inlet side to prevent the generation of vortexes at the inlet of the region with fins of the air provided between the said channels. Thereby, an embodiment that provides a condenser embodiment that reduces the vortex in the cooling air of the dryers and accordingly has a high energy efficiency is presented.

A characteristic of a possible embodiment of the invention is that the said narrowed form comprises lateral edges at each of its ends, abutting each other. Thereby, it is ensured that the incoming air flows to the area where the fins are located, without creating a vortex over the lateral edges.

BRIEF DESCRIPTION OF THE FIGURES

In Figure 1 , a representative general view of the innovation in dryers as the subject of the invention is given.

In Figure 2, a representative wing and general wing view of the innovation in dryers as the subject of the invention is given.

In Figure 3, a representative channel general view of the innovation in dryers as the subject of the invention is given.

In Figure 4, a representative channel detailed view of the innovation in dryers as the subject of the invention is given.

DETAILED DESCRIPTION OF THE INVENTION

In this detailed description, the subject of the invention is described only for the better understanding of the subject and in the way to create no limiting effect whatsoever.

The dryers (10) basically comprise a tumbler in which the textile products to be dried are placed. The drying air is moved by a fan (12), and with the help of the heater located between the tumbler and the fan (12), the air is heated and conveyed to the tumbler, thus drying the textile products in its simplest form. The fan (12), which ensures the creation of the drying air and the continuity of the cycle, is generally located in a snail-shaped chamber located at the back of the dryer (10). A channel (22) located between the fan (12) and the heater ensures that the air extracted by the fan (12) is transmitted to the tumbler by passing through the heater. The air passing over the laundry in the tumbler then passes through the filter (15) and enters the channels (22) of the condenser (20). Said closed cycle is the cycle in which drying takes place.

The said invention relates to dryers (10) with condenser (20) used for dehumidifying textile products. The invention is characterized with a condenser (20) having at least one channel

(21) in which the humid air is contacted to absorb the heat of the humid air in a dryer (10) that allows dehumidifying the textile products, at least one narrowed form (23) provided in the air inlet side (I) of the channel (21 ) to prevent vortex generation at the inlet of the cooling air to the said region with fins (22), and said narrowed form (23)with lateral edges (231) at each of its ends (232) abutting each other.

In the dryers (10) with condenser (20) as is the subject of the invention, there are two air cycles in total, namely, open cycle and closed cycle. After condensation in the closed cycle, the air used in the cycle is recirculated and not given to the environment. The process air, which passes over the textile products and is transferred through the filter first, then the condenser (20) channels (22) and then the heater via the fan (12), reaches the textile products again. The open cycle, on the other hand, is defined as the cycle in which the air extracted from the environment by means of a fan (12) is passed through the fins (22) of the condenser (20) and the air is thrown back into the environment by taking heat from the fins

(22).

In dryers (10) with condenser (20), in order to reduce the temperature of the drying air and thereby providing condensation in the channel; the air extracted from the environment moves through at least one flow channel (11) and enters towards the fan (12). The air is transmitted to the distribution chamber (13) by the said fan (12). Then, the air in the said distribution chamber (13) is directed to the condenser (20) equally. The air directed from the distribution chamber (13) to the condenser (20) first proceeds through the fins (22) located in the condenser (20). Fins (22) and channels (21 ) are sequentially present within the condenser (20), with a channel (21) in a region with fins (22).

Said fins (22) take the heat of the drying air advancing in the channels (21) and provide the condensation of the humidity taken from the textile product in the channels (21) inside the condenser (20). In the state of the art, the flow hits the front wall of the channel (21 ) and creates a vortex with this impact. The said vortex disrupts the course of the flow coming to the diffusers located on the distribution chamber (13) side and causes a loss of performance convectionally. Therefore, the structure of the channel (21) has been changed in order to overcome the problem mentioned in the invention.

There is at least one narrowed form (23) in the air inlet side (I) of the channel (21 ) and a V- shaped front view. The said narrowed form (23) is provided with lateral edges (231 ) at each of its ends (232), abutting each other at a certain angle. The air coming from the air inlet side (I) proceeds to contact the lateral edges (231) without any change in the pointed end (232) part and flows without creating a vortex thanks to the form of the lateral edges (231 ). Said lateral edges (231) can also be embodied in different geometries (for example, parabolic, circular end, etc.) that can prevent vortex generation. At this point, one of the effects of the inlet geometry design is to minimize the pressure loss by reducing the vortex.

With the said invention, the air coming from the air inlet side (I) meets with the first row of the fins (22) without entering the vortex, and the flow to be formed in the said region with fins (22) becomes more regular. Thereby, the heat transfer realized by convection is increased and accordingly, an increase in the performance of the dryer (10) is aimed. It is obvious that the cycle time of the dryer (10) with increased heat transfer and condensation performance will decrease, and its performance will increase. Since the energy efficiency of the dryer (10) working with high performance will be high as well, a contribution to the environment and natural resources is aimed.

The protection scope of the invention is given in the attached claims, and it cannot be limited to what have been described as an example in this detailed description under any circumstances. It is understood that a person with the skill in the related technique can put forth similar embodiments in the light of what have been described above, without departing from the main theme of the invention.

REFERENCE NUMERALS IN THE FIGURES

10 Dryer

11 Flow Channel 12 Fan

13 Distribution Chamber

20 Condenser

21 Channel 22 Fin

23 Narrowed Form

231 Lateral Edge

232 End (I) Air Inlet Side