Evaporator cooling unit

 

(57) Abstract:

The invention is intended for use in refrigeration equipment, namely, when the defrosting of the evaporators of refrigerating chambers with the use of electric heating. The evaporator of the cooling device has a flexible resistive element. It is adjacent to different sides to the body of the evaporator. The latter is equipped with fixing the longitudinal and transverse grooves. Petals on the body is made integral with the evaporator of the same material with the possibility of surface removal of heat from the resistive element. They bent in the area of the resistive element with scope and mounts last. The invention provides the improvement of manufacturability, efficiency, high performance in all positions of the evaporator. 2 C.p. f-crystals, 3 ill.

The invention relates to refrigeration and defrosting of the evaporators of refrigerating chambers with the use of electric heating.

A device for implementing the method of placing a flexible wire to the evaporator of the refrigerator represents the casing of the evaporator with laid on its surface curved tube placed inside th is allows you to fully heat the surface of the evaporator during defrost, did not effectively captures the heat from the tube with a heating wire, the evaporator does not have a developed heat exchange surface.

A device for defrost Sagaidachnogo shell and drainage of melt water from the cooling sections of the refrigerator, including button under the section techtronic convectors evacuation pipe connected to a source of electrical heating, with each techtronic convector is equipped with a hollow flexible heating elements installed in pairs along the forming of each of his pipe in the diametrical plane so that the pair of elastic elements form an angle of 120oand an evacuation pipe is provided with containers for the collection of fragments Sagaidachnogo shell with horizontal zigzag bars mounted at their base elektroizolyatsionnymi from the tank and connected to a source of electrical heating.(USSR and.with. 1222995, 1986, bull. 13). The known device is structurally difficult, not easy to assemble, did not effectively heat transfer during thawing, has not developed heat exchange surface.

Closest to the claimed is activatel evaporator of the refrigerating chamber, the content is in this activatel contains steklolaminirovanykh metal case with closed ends, made equidimensional the lower envelope of the profile of the fins of the evaporator, the heater resistive made and distributed along the surface, deposited on the bottom layer steklolaminirovanykh cover of the casing and isolated from the environment glass-coated, protected bottom insulating material and a waterproof material and waterproof pan. (USSR and.with. 1421957, 1988, bull. 33). This device is structurally difficult, not high-tech and labour-intensive manufacture, has a high thermal inertia and low efficiency of heat transfer of the heater when significant thermal insulation coatings.

The problem solved by the invention is the reduction of structural complexity activeimage evaporator, the improvement of manufacturability, the expansion of the number of active heat transfer surfaces during cooling and heating, high performance in all positions of the evaporator.

The task is solved in that the evaporator of the cooling device, comprising a housing with a channel for the refrigerant, activatel frost in the form of isolated resistive element, heat exchanger petals, according to the invention the resistive element is made flexible the elegance with the evaporator of the material of the latter with the possibility of direct contact heat removal from the resistive element, while the petals are made deflected in the area of the resistive element with the possibility of covering and securing the latter and the locking grooves are made on the lateral surfaces of the housing in the longitudinal and transverse directions.

The evaporator of the cooling device differs from the prototype in that:

- resistive element is made of a flexible, on all sides adjacent to the housing of the evaporator; (which reduces the complexity and structural complexity of the location of the heating element on the surfaces of the evaporator);

the evaporator is equipped with locking grooves made on the lateral surfaces of the housing in the longitudinal and transverse directions; (which increases the active surface and at the same time creates the possibility of fixing heater without additional fixing elements);

the petals are made integral with the evaporator of the material of the latter with the possibility of direct contact heat removal of the resistive element; (enabling efficient heat transfer petals and evaporator housing, petals and a resistive element);

the petals are made deflected in the area of the resistive element with scope and mounts; (which provides the effect is of sprites, provides reliable fastening of the resistive element without additional fasteners).

Thus, the claimed solution meets the criterion of "novelty."

The features distinguishing the claimed solution from prototype not found in counterparts, which allows to make a conclusion on the conformity of the proposed solutions to the criterion of "inventive step".

The invention is illustrated in the drawings, where Fig.1 is a cross-section, Fig.2 is a view in plan, Fig.3 - view And the side surface.

The evaporator of the cooling device includes a housing 1 with channel 2 of the refrigerant, petals 3, the resistive element 4, 5 longitudinal and transverse 6 locking grooves, curved petals 7.

The evaporator of the cooling device operates as follows.

In cooling mode the casing 1 by means of evaporation of the refrigerant in the channels 2 cools petals 3, 7, and due to the advanced active surface of the latter with high efficiency takes heat from the surrounding space. When fouling frost turns the heating system on and off the cooling system. The resistive element 4 is heated and heats from different sides of the housing of the evaporator 1, a considerable amount of heat re is (a), also on the side surfaces in the longitudinal grooves 5 and 6 cross is an effective heat exchange, since the diameter of the electro-resistive element is close to the diameter of the slots with the possibility of contact on the plane. All the petals are made of body material and be one with it that enables seamless transfer of heat in cooling and thawing. Evaporator with petals made from a profiled metal then get petals and transverse grooves by cutting.

The evaporator of the cooling device is structurally simple and easy to manufacture, allows you to have flexible resistive element on all sides of the body and to avoid fasteners. Developed heat exchange surface in the form of petals allows high efficiency use of energy and reduce the time input in the cooling mode and thawing. Evaporator with defrost may not reduce the efficiency to operate in any spatial location, i.e., universal design bindings in the refrigeration equipment.

1. The evaporator of the cooling device, comprising a housing with a channel for the refrigerant, activatel frost as a stand-alone carved sides adjacent to the body of the evaporator, equipped with locking grooves, and the petals are made integral with the evaporator of the material of the latter with the possibility of surface removal of heat from the resistive element.

2. Evaporator under item 1, characterized in that the petals are made deflected in the area of the resistive element with scope and mounts last.

3. Evaporator under item 1, characterized in that the locking grooves made on the lateral surfaces of the housing in the longitudinal and transverse directions.

 

Same patents:

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The invention relates to refrigeration, and more particularly to systems for automatic feeding of evaporators refrigeration, and can be used to maintain and alarm preset level in vessels and vessel containing the boiling refrigerant and the suction compressors

FIELD: mechanical engineering.

SUBSTANCE: wire-tubular evaporator is provided with guide plate whose body is extended lengthwise and at least one tubular clip for securing the plate to evaporator tube. Tubular clip is mounted on bracket extending aside from plate body.

EFFECT: enhanced accuracy of fitting the guide plate along center line of evaporator.

8 cl, 3 dwg

FIELD: cooling and air conditioning system components, particularly evaporators.

SUBSTANCE: evaporator comprises of the first elongated flat multi-channel pipe having serpentine configuration defined by elbow members bent across the minor dimension thereof. The pipe has a number of spaced apart parallel parts extending between ends of the first pipe. Inlet member of clamping means is connected to the first pipe end, outlet member thereof is fastened to the second end thereof. Ribs are located between neighboring parts of the first pipe. The second elongated flat multi-channel pipe forms suction radiator loop. The second pipe is connected to the first one so that side wall of the second pipe defining major pipe dimension is connected to side wall of the first pipe directly upstream of the outlet member of the clamping means to provide improved heat exchange between the pipes. The second pipe ends are also fitted with inlet and outlet members of clamping means.

EFFECT: increased compactness.

20 cl, 8 dwg

FIELD: refrigeration equipment.

SUBSTANCE: cooling agent evaporator comprises cooling agent pipeline and surface connected to the pipeline through heat-conductive connection. The surface is used as heat-exchanger and is covered with water-repellent oil film. The evaporator may be of lamella type (plate type).

EFFECT: decreased noise during evaporator operation.

3 cl, 1 dwg

FIELD: cooling equipment and other industry, for instance, chemical industry.

SUBSTANCE: evaporator comprises panels or coil pipe batteries, as well as liquid and vapor manifolds with coolant. Panels or coil pipe batteries or manifold batteries extend in horizontal direction one under another and are shifted one from another. The panels or coil pipe batteries or manifold batteries are enclosed with iron sheet having varying height. Panels or coil pipe batteries or manifold batteries are inserted in metal frame fixedly connected with metal tray and hermetically closed with plastic sheets along perimeter thereof.

EFFECT: provision of necessary heat carrier temperature and continuous temperature maintenance, decreased power inputs and heat carrier volume, reduced device costs and increased safety.

1 cl, 1 dwg

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SUBSTANCE: milk refrigerating unit contains square reservoir with external heat-insulating coating, evaporator, force-suction manifold of compressor-condenser device. Evaporator is of slot type and represents two halves of V-shaped bottom with injector and suction header each, which are connected accordingly with force and suction manifolds of compressor-condenser device, at that slot evaporator is made with seam welding with seam width of at least 4 mm, pitch of seams of not more than 35 mm, depth rolling of slots of not more than 3 mm.

EFFECT: exclusion of evaporator damage during its flushing with hot water.

4 dwg

Heat exchanger // 2359194

FIELD: mechanics.

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EFFECT: longer faultless operation of evaporator.

2 cl, 1 dwg

FIELD: personal demand items.

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SUBSTANCE: anti-frost evaporation tube of refrigerator with drawers consists of internal housing wherein there provided is food storage compartment for arranging drawer-container, and in the latter, low temperature is maintained by means of evaporation tube for cooling agent circulation, which is located around external part of internal housing. Evaporation tube includes curved parts located on both side surfaces of internal housing and straight tube part located on upper surface of internal housing and connected to curved tube parts.

EFFECT: use of this invention allows eliminating frost formation on roof surface of refrigerator internal housing.

5 cl, 7 dwg

FIELD: heating systems.

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EFFECT: use of invention will allow more efficient use of thermal and physical properties of heat exchange assembly of cryogenic liquid evaporator owing to arrangement of dump packing with section having constant resistance, and creating conditions of uniform distribution and passing of warm gas vapours through the head piece.

3 dwg

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