阅读说明：本技术 双功能压缩式制冷机 (Double-function compression type refrigerator ) 是由 V·K·伊万诺夫 于 2020-05-09 设计创作，主要内容包括：本发明涉及一种双功能压缩式制冷机,其位于建筑物内部并且包括：·具有蒸发器(3)的隔热柜(1),·马达驱动压缩机(4),·冷凝器(5),·温度控制器(10),·第一温度传感器(11)。根据本发明,该制冷机补充有通风模块(12),该通风模块由以下组成：·壳体(13),·入口通风管(14),·出口通风管(15),以及·风扇(16)。另外,入口通风管(14)和出口通风管(15)设置在壳体(13)的相反侧上。风扇(16)在入口通风管(14)和出口通风管(15)之间安装在壳体(13)内部。壳体(13)设置在隔热柜(1)上。冷凝器(5)安装在壳体(13)内部。壳体(13)被构造成能够接近建筑物外部的室外空气。(The present invention relates to a dual-function compression refrigerator located inside a building and comprising: -a heat insulated cabinet (1) with an evaporator (3), -a motor driven compressor (4), -a condenser (5), -a temperature controller (10), -a first temperature sensor (11). According to the invention, the refrigerator is supplemented with a ventilation module (12) consisting of: -a housing (13), -an inlet ventilation duct (14), -an outlet ventilation duct (15), and-a fan (16). In addition, an inlet vent pipe (14) and an outlet vent pipe (15) are provided on opposite sides of the housing (13). A fan (16) is mounted inside the housing (13) between the inlet ventilation duct (14) and the outlet ventilation duct (15). The shell (13) is arranged on the heat insulation cabinet (1). The condenser (5) is mounted inside the housing (13). The housing (13) is configured to enable access to outdoor air outside the building.)

1. A dual function compression refrigerator located inside a building (19) and comprising:

an insulated cabinet (1) having an evaporator (3),

a motor-driven compressor (4),

a condenser (5) for condensing the condensed water,

a temperature controller (10),

a first temperature sensor (11),

characterized in that the refrigerator is supplemented with a ventilation module (12) consisting of:

a housing (13),

an inlet ventilation duct (14),

an outlet ventilation duct (15), and

a fan (16),

characterized in that the inlet ventilation duct (14) and the outlet ventilation duct (15) are arranged on opposite sides of the housing (13),

characterized in that the fan (16) is mounted inside the casing (13) between the inlet ventilation duct (14) and the outlet ventilation duct (15),

characterized in that the housing (13) is arranged on the heat insulation cabinet (1), and

characterized in that the condenser (5) is mounted inside the housing (13), and

characterized in that the housing (13) is configured to enable access to outdoor air outside the building (19).

2. Refrigerator according to claim 1, characterized in that an inlet opening (22) geometrically joined to the inlet ventilation duct (14) and an outlet opening (23) geometrically joined to the outlet ventilation duct (15) are provided inside the housing (13),

characterized in that a first switching unit (24) is provided between the inlet aperture (22) and the inlet ventilation duct (14), the first switching unit (24) being configured to:

-opening the inlet aperture (22) and closing the inlet ventilation duct (14), and

-closing the inlet aperture (22) and opening the inlet ventilation duct (14),

characterized in that a second switching unit (25) is provided between the outlet aperture (23) and the outlet ventilation duct (15), the second switching unit (25) being configured to:

-opening the outlet aperture (23) and closing the outlet vent-pipe (15), and

-closing the outlet aperture (23) and opening the outlet vent-pipe (15),

characterized in that a second temperature sensor (26) and a control unit (27) are arranged on the heat-insulating cabinet (1),

characterized in that the control unit (27) is integrated with the temperature controller (10).

3. Refrigerator according to claim 1 or 2, characterized in that the motor-driven compressor (4) is arranged on the heat insulated cabinet (1).

4. Refrigerator according to claim 1 or 2, characterized in that the motor-driven compressor (4) is mounted inside the housing (13).

5. The refrigerating machine according to claim 1, characterized in that a first air filter (28) is arranged inside the inlet ventilation duct (14).

6. Refrigerator according to claim 2, characterized in that a first air filter (28) is arranged inside the inlet ventilation duct (14) and in that

In that a second air filter (29) is arranged inside said inlet aperture (22).

7. Refrigerator according to claim 1 or 2, characterized in that the housing (13) is thermally insulated.

Technical Field

The present invention relates to a refrigeration, air conditioning and ventilation device and can be used to improve the microclimate in the room.

Background

From the prior art there are known compression-type room refrigerators (Veynberg BS, Vayn LN, domestic compression refrigerators, mosco, pishcivaya promyshellensest, 1974, pages 25 to 30) consisting of an insulated cabinet with an evaporator, a filter dryer, a capillary tube and a motor-driven compressor with a gas-cooled condenser mounted on the insulated refrigeration cabinet. The operation of a refrigerator is accompanied by various physical processes due to the vapor compression cycle occurring within its refrigeration circuit, such as heat generation in the condenser and indoor dissipation of such heat. In cold seasons, this heat generation improves the indoor microclimate.

However, during warm seasons, especially in hot climates, excessive heat worsens the indoor microclimate and causes additional load, if any, on the air conditioning equipment, resulting in increased energy consumption.

An indoor dual function refrigerator is known from the prior art (CN 2264347Y), which combines both refrigeration and air conditioning functions. The device combines two functional modules, including a refrigeration module and an air conditioning module disposed inside a building. These modules have a common motor-driven compressor and condenser, but separate evaporators. Motor-driven compressors and condensers with forced air cooling are located outside the building, which is not always allowed due to building and management limitations of the building. Moreover, the dual function of the device is achieved by mechanically combining two functionally independent modules: refrigeration module and air conditioning module. Furthermore, each module retains its own functionality without extending these functionalities.

The closest technical solution chosen as prototype is a household refrigerator (RU 2342609) intended for use in cold climates, consisting of indoor and outdoor units. The indoor unit is located inside a building and is composed of an insulation cabinet having an evaporator, a temperature sensor, and a temperature controller. The motor-driven compressor and the condenser are provided as an outdoor unit installed outside the building and are connected with the indoor unit through a direct line and a return line of the refrigeration circuit. Furthermore, the refrigerator is provided with an additional liquid coolant heat circuit comprising a heat exchanger in the indoor unit and a radiator in the outdoor unit. The heat exchanger and the radiator are also interconnected by a direct line and a return line. The liquid coolant in the extra heat circuit is circulated by a pump. In this case, both the condenser and the radiator of the refrigerator are cooled by the outside air.

As shown in the above example, it is not always acceptable for the outdoor unit to be disposed outside the building due to building and management limitations of the building. In addition, when the refrigerant is circulated through the refrigeration circuit, the extended length of the line connecting the outdoor unit and the indoor unit results in higher hydraulic resistance. This increases the load on the motor-driven compressor, resulting in higher energy consumption of the refrigerator.

During the cold season, the motor-driven compressor of the chiller is turned off and the insulated cabinet is cooled by natural outside cold by pumping liquid coolant through an additional heat loop connecting the outdoor unit and the indoor unit. In such a process, heat penetrating from the room to the inside of the heat-insulated cabinet is carried to the outside by the coolant. As a result, the indoor temperature is reduced, which deteriorates microclimate and applies an additional load to the heating and air-conditioning device (if any). This, in turn, leads to an increase in the energy consumption required to maintain a comfortable microclimate.

During warm seasons, the extra heat circuit is disconnected, the motor-driven compressor is turned back on, and the refrigeration circuit operates as a conventional refrigerator. In this case, the heat penetrating from the room to the inside of the insulated cabinet is also carried by the coolant to the outside during the vapor compression cycle. As a result, the indoor temperature is lowered as in the cold season. However, even during warm seasons, it is not always necessary to reduce the indoor temperature, for example, in the case of cool weather, when it is necessary to heat a building by turning on a heating or air conditioning device, and thus the energy consumption required to maintain a comfortable microclimate is increased.

Thus, the prototype always implements only one cooling mode, regardless of the indoor microclimate. As a result, the device cannot provide a comfortable indoor microclimate year round and the energy consumption required to maintain a comfortable indoor microclimate increases due to the additional energy consumed by the air conditioning device. The device lacks a microclimate improvement mode with respect to improving indoor air quality.

Disclosure of Invention

The purpose of the present invention is to expand the functions of a refrigerator by giving the device the characteristics of an air conditioner.

The technical result of the invention is to improve the indoor microclimate and reduce the energy consumption.

A particular technical result is achieved by introducing the following modifications to a dual-function compression-type refrigerator located inside a building and comprising an insulated cabinet with an evaporator, a condenser, a motor-driven compressor, a temperature controller and a first temperature sensor. The refrigerator is supplemented with a ventilation module consisting of a housing, an inlet ventilation duct, an outlet ventilation duct and a fan. The inlet and outlet ventilation ducts are disposed on opposite sides of the housing, and the fan is mounted inside the housing between the inlet and outlet ventilation ducts. The condenser is mounted inside a housing configured to be accessible to outdoor air outside the building. The condenser is cooled by air passing through the housing.

In certain embodiments of the proposed device, various methods may be used to achieve the connection of the housing with the housing of the outdoor air. In the case where there is supply and exhaust ventilation inside the building in which the refrigerator is located, the housing may be connected to the outdoor air by connecting the inlet ventilation pipe to the supply grille of the supply and exhaust ventilation and by connecting the outlet ventilation pipe to the exhaust grille of the supply and exhaust ventilation device. In the case of ventilation without supply and exhaust air inside the building, supply and exhaust grilles for connecting inlet and outlet ventilation ducts are provided in the outer walls or windows of the building.

During operation of the dual-function compression-type refrigerator, during the vapor compression cycle within its refrigeration circuit, there is heat generated in the condenser (which penetrates from the interior of the building into the insulated cabinet) and heat generated by the motor-driven compressor. The ability to establish a connection between the housing and the outdoor air results in this heat being removed from the condenser by the flow of outdoor air which carries it to the exterior of the building, thus enabling the building to be cooled during hot seasons. During cold seasons, the housing is connected to the indoor air, and as the indoor air is recirculated through the housing, heat remains inside the building, which results in an increase in the indoor temperature. By using supply and exhaust ventilation, indoor microclimate improvement modes with respect to air quality have been achieved. Operation of the device in the cooling mode is typically based on readings from the first temperature sensor, while helping to maintain heat balance and improve indoor microclimate without any additional energy consumption.

Switching the air flow through the housing facilitates various additional modes of functioning of the chiller.

According to a basic embodiment of the device, the connection between the housing and both the indoor air and the outdoor air is realized by means of an inlet ventilation duct and an outlet ventilation duct. The air flow through the housing is manually switched by connecting or disconnecting air conduits coupling the inlet ventilation tube to the air supply grille and the outlet ventilation tube to the exhaust grille.

In a particular embodiment of the device, in order to ensure a direct connection with the indoor air, an inlet aperture geometrically joined to the inlet ventilation duct and an outlet aperture geometrically joined to the outlet ventilation duct are provided inside the housing. A first switching unit is disposed between the inlet hole and the inlet vent pipe, the first switching unit being configured to open the inlet hole and close the inlet vent pipe, and to close the inlet hole and open the inlet vent pipe. A second switching unit is disposed between the outlet aperture and the outlet vent pipe, the second switching unit being configured to open the outlet aperture and close the outlet vent pipe, and to close the outlet aperture and open the outlet vent pipe. The second temperature sensor and the control unit are arranged on the heat insulation cabinet, and meanwhile, the control unit is integrated with the temperature controller.

Preferably, an electric switching unit operated by a control unit provided inside the refrigerator is used. In this particular embodiment of the device, the switching of the air flow is performed automatically by a first and a second switching unit operated by the control unit.

In another embodiment of the apparatus, the motor-driven compressor is disposed on the insulated cabinet.

In yet another embodiment of the device, a motor-driven compressor is mounted inside the housing.

In a further embodiment of the device, the first air filter is arranged inside the inlet ventilation duct.

In a further embodiment of the device, the first air filter is arranged inside the inlet ventilation duct and the second air filter is arranged inside the inlet aperture.

In yet another embodiment of the device, the housing is thermally insulated.

The insulation localizes the heat transfer process between the condenser and the condenser cooling air inside the housing, thereby cutting off direct heat transfer between the indoor air and the condenser cooling air. In addition, the insulation layer also helps to suppress noise generated by the fan and motor-driven compressor mounted inside the housing.

Drawings

Other significant features and advantages of the invention result from the following non-limiting description provided for illustrative purposes with reference to the following drawings, in which:

FIG. 1 schematically shows a simplified cross-sectional plan view (along the XY plane in an orthogonal XYZ coordinate system) of a first form of apparatus (i.e. a dual-function compression refrigerator) according to the invention (basic embodiment) having a motor-driven compressor located on a thermally insulated cabinet and connected inlet and outlet air conduits;

FIG. 2 shows a block diagram of the temperature control inside the insulated cabinet;

figure 3 schematically shows a simplified cross-sectional plan view (in XY-plane) of a second form of the device according to the invention (a particular embodiment) comprising inlet and outlet apertures inside the casing, a switching unit, a motor-driven compressor placed on the insulated cabinet, and a connected inlet and outlet air conduit;

FIG. 4 shows a block diagram of a control unit integrated with a temperature controller;

figure 5 schematically shows a simplified cross-sectional plan view (in XY-plane) of a third form of apparatus according to the invention (basic embodiment) with a motor-driven compressor inside the housing and an air filter mounted in the inlet air duct;

figure 6 schematically shows a simplified cross-sectional plan view (in XY-plane) of a fourth form of the device according to the invention (a particular embodiment) with a motor-driven compressor mounted inside the casing, a first air filter provided in the inlet ventilation duct, and a second air filter provided in the inlet aperture;

figure 7 schematically shows a simplified cross-sectional plan view (in XY-plane) of a fifth form of the device according to the invention (basic embodiment) with the outlet air duct connected, but with the inlet air duct disconnected;

figure 8 schematically shows a simplified cross-sectional plan view (in XY-plane) of a sixth form of device according to the invention (basic embodiment) with the inlet air duct connected, but the outlet air duct disconnected;

fig. 9 schematically shows a simplified cross-sectional plan view (in XY-plane) of a sixth form of the device according to the invention (basic embodiment) without connected inlet and outlet air conduits.

Detailed Description

The basic embodiment of the apparatus (fig. 1, 2) which is a dual-function compression-type refrigerator not located in a building 19, comprises an insulated cabinet 1 and a refrigeration circuit 2. The refrigeration circuit 2 includes an evaporator 3, a motor-driven compressor 4, and a condenser 5.

The refrigeration circuit 2 may further comprise (see the example of the device shown in fig. 1) a filter-drier 6, a capillary tube 7, a suction line 8 and a discharge line 9.

The basic embodiment of the refrigerator (fig. 1, 2) further includes a temperature controller 10 and a first temperature sensor 11. In the example shown in fig. 1, a temperature controller 10 and a first temperature sensor 11 are mounted on the thermal insulation cabinet 1.

According to the invention, the refrigerator comprises a ventilation module 12. The ventilation module 12 comprises a housing 13, an inlet ventilation duct 14 and an outlet ventilation duct 15. Further, an inlet vent-pipe 14 and an outlet vent-pipe 15 are provided on opposite sides of the housing 13 (in the example shown in fig. 1, the inlet vent-pipe 14 is provided on the right side of the housing 13, and the outlet vent-pipe 15 is provided on the left side of the housing 13). According to the invention, the refrigerator also comprises a fan 16, which fan 16 is mounted inside the casing 13 between the inlet ventilation duct 14 and the outlet ventilation duct 15 (fig. 1). The housing 13 is provided on the thermal insulation cabinet 1 (fig. 1). The condenser 5 is mounted inside the casing 13 (fig. 1). The housing 13 is configured to be able to utilize outdoor air outside the building 19.

Preferably, the housing 13 is insulated using a foamed polyethylene coating. Alternatively, the housing 13 may be made of polystyrene foam.

The example shown in fig. 1 illustrates a first mode of operation of the device. Under these conditions, the inlet ventilation duct 14 is connected by an inlet air duct 17 to an air supply grille 18 provided in the outer wall of a building 19. The outlet ventilation duct 15 is connected by an outlet air duct 20 to an exhaust grille provided in the outer wall of the building 19.

Preferably, insulated flexible air conduits are used as the inlet air conduit 17 and the outlet air conduit 20. The flexibility of the air ducts 17 and 20 allows the device to be moved relative to an air supply grille 18 and an air exhaust grille 21 provided in the outer wall of the building 19. The insulation of the air ducts 17 and 20 reduces uncontrolled direct heat transfer between the indoor air from the interior of the building 19 in which the refrigeration machines are located and the air passing through the air ducts 17 and 20.

In the example shown in fig. 1, the motor-driven compressor 4 is provided on the heat-insulating cabinet 1.

Alternatively, the motor-driven compressor 4 may also be provided inside the housing 13 (not shown in fig. 1).

The temperature controller 10 is electrically connected to the first temperature sensor 11, the motor-driven compressor 4, and the fan 16 (fig. 2).

In a particular embodiment of the device (fig. 3, 4), an inlet hole 22 geometrically coupled to the inlet ventilation duct 14 and an outlet hole 23 geometrically coupled to the outlet ventilation duct 15 are provided inside the housing 13.

Under these conditions, a first switching unit 24 is provided between the inlet aperture 22 and the inlet ventilation duct 14, said first switching unit 24 being configured:

opening the inlet aperture 22 and closing the inlet vent-pipe 14, an

Closing the inlet hole 22 and opening the inlet vent-pipe 14.

Under these conditions, a second switching unit 25 is provided between the outlet aperture 23 and the outlet ventilation duct 15, said second switching unit 25 being configured:

opening the outlet aperture 23 and closing the outlet vent-pipe 15, and

closing the outlet aperture 23 and opening the outlet vent-pipe 15.

The first switching unit 24 and the second switching unit 25 may be realized, for example, in the form of electrically driven air directional control valves. Alternatively, the electric air dampers may be mounted on the inlet through-hole 22, the inlet ventilation duct 14, the outlet hole 23, and the outlet ventilation duct 15.

Under these conditions, as shown in the example shown in fig. 3, the following means are provided on the thermal insulation cabinet 1:

a second temperature sensor 26, and

a control unit 27 for controlling the first switching unit 24 and the second switching unit 25.

Furthermore, the control unit 27 is integrated with the temperature controller 10.

As shown in fig. 4, the control unit 27 may be electrically connected to the second temperature sensor 26, the first switching unit 24, and the second switching unit 25. In this case, the temperature controller 10 may be electrically connected to the first temperature sensor 11, the motor-driven compressor 4, and the fan 16 (fig. 4).

Both the basic and specific embodiments of the device (fig. 1, 3) provide for the motor-driven compressor 4 to be mounted alternatively inside the housing 13 (fig. 5, 6).

The example shown in fig. 5 depicts a first air filter 28, which may be disposed within the inlet plenum 14.

In the example shown in fig. 6, the apparatus comprises:

a first air filter 28, which may be arranged within the inlet ventilation duct 14, and

a second air filter 29, which may be disposed within the inlet aperture 22.

According to a basic embodiment of the device, an outlet air duct 20 is connected to the outlet ventilation duct 15 during operation of the device in the cooling mode of the building 19 and simultaneous exhaust ventilation. Under these conditions, the inlet air duct 17 is disconnected from the inlet ventilation duct 14 (fig. 7): this example illustrates a second mode of operation of the device.

According to a basic embodiment of the device, the inlet air duct 17 is connected to the inlet ventilation duct 14 during operation of the device in a forced heating mode and air heating. Under these conditions, the outlet air duct 20 is disconnected from the outlet ventilation tube 15 (fig. 8): this example illustrates a third mode of operation of the device.

According to a basic embodiment of the device, during operation of the device in the indoor heating mode, the inlet air duct 17 is disconnected from the inlet ventilation duct 14 and the outlet air duct 20 is disconnected from the outlet ventilation duct 15 (fig. 9): this example illustrates a fourth mode of operation of the device.

The motor-driven compressor 4 is provided on the heat-insulating cabinet 1 (fig. 1, 3, 7-9), or is mounted inside the housing 13 (fig. 5, 6).

Mounting the motor-driven compressor 4 on the insulated cabinet 1 (fig. 1, 3, 7-9) allows the length of the refrigeration circuit 2 to be shortened compared to the prototype, thus reducing the hydraulic resistance to the refrigerant passing through the circuit 2 during the vapor compression cycle. As a result, the load on the motor-driven compressor 4 is reduced, and the power consumption is reduced.

Placing the motor-driven compressor 4 inside the housing 13 does not (fig. 5, 6) allow for the heat generated due to heat losses in the motor-driven compressor 4 to be removed by carrying it outside, which helps to cool the building in the respective operating mode of the device. In addition, noise generated by driving the compressor 4 by the motor in operation is also reduced.

Fig. 1, 3 and 5-9 show the relative positions of the fan 16 and the condenser 5 inside the housing 13, placed one after the other between the inlet ventilation duct 14 and the outlet ventilation duct 15. Furthermore, this design allows combining the fan 16 and the condenser 5 in a single unit (not shown in fig. 1, 3, 5-9).

As shown in fig. 5 and 6, when the motor-driven compressor 4 is disposed inside the housing 13, the motor-driven compressor 4, the fan 16 and the condenser 5 are shown positioned one after another inside the housing 13 between the inlet vent pipe 14 and the outlet vent pipe 15. This design is advantageous because it allows the motor driven compressor 4 to be cooled using the coldest air entering the housing 13 that has not been heated by the condenser 4.

According to a basic embodiment of the arrangement, a first air filter 28 may be mounted in the inlet ventilation duct 14 (fig. 5), and according to a specific embodiment of the arrangement, a first air filter may be mounted in the inlet ventilation duct 14 and a second air filter may be mounted in the inlet aperture 22 (fig. 6) to prevent contamination of the condenser 5. Contamination of the condenser 5 may lead to a reduction in the performance of the refrigeration circuit 2 and excessive energy consumption during operation of the motor-driven compressor 4.

The device operates as follows:

when the temperature inside the insulated cabinet 1 (fig. 1) rises due to the penetration of heat from the inside of the building 19 and reaches the reference value T measured by the first temperature sensor 11 and set by the temperature controller 10₁At this time, the temperature controller 10 starts the motor-driven compressor 4 and the fan 16 connected in parallel to the motor-driven compressor 4. The motor drives the compressor 4 to pump refrigerant through the refrigeration circuit 2. As a result of the vapor compression refrigeration cycle being performed, the evaporator 3 is cooled and the condenser 5 is permeated from the interior of the building 19 to the interior of the insulated cabinet 1 and then the amount of heat Q transferred by the refrigerant from the evaporator 3 to the condenser 5₁And (4) heating. In addition, the condenser 5 generates the same amount of heat Q as the amount of work performed by the motor-driven compressor 4 during completion of the vapor compression refrigeration cycle₂. During this process, the refrigerating circuit 2 of the refrigerating machine operates as a heat pump, which converts heat from the interior of the buildingAnd is replaced by heat generated by the condenser 5. The temperature of the exterior surface of the insulated cabinet 1 is one to two degrees lower than the temperature of the interior of the building 19 is a visual demonstration of the process. Although the temperature difference is insignificant, a large amount of heat is transferred from the interior of the building 19 to the condenser 5 due to the large external surface area of the insulated cabinet 1 (about 5 square meters). The reference temperature value inside the heat-insulating cabinet 1 is set to T₁+5 degrees and sets the comfort air temperature inside the building to T₂+25 degrees. The insulation of the insulation cabinet 1 is made of polystyrene foam with a thermal conductivity of 0.05W/m deg and a wall thickness of 0.05 m. Under this condition, the heat transfer amount from the interior of the building to the heat-insulating cabinet 1 was 100W. As long as the temperature inside the heat-insulating cabinet 1 is maintained at T₁Horizontal, this amount of heat can be continuously transferred throughout the day. The amount of energy Q penetrating from the interior of the building 19 into the insulated cabinet 1 during the day₁Is Q₁100W × 24 h 2.4 kW. Then, the energy Q₁Is passed to a condenser 5, where additional energy Q is generated₂Said additional energy Q₂Equal to the work performed by the motor-driven compressor 4 during the vapour compression cycle in the refrigeration circuit 2. The energy consumption of this E was 0.8kW h per day. Under these conditions, almost all of the electrical energy is spent performing the vapor compression cycle, and therefore, Q is spent each day₂E ═ 0,8kW ×.h. The total amount of heat Q generated by the condenser 5 is Q₁+Q₂Is removed by air blown by fan 16 at condenser 5. The ultimate impact on the indoor microclimate of the building depends on the air path through the housing 13, i.e., the source of the air flow (either indoor air or outdoor air from inside the building) entering the housing 13 and cooling the condenser 5, and the direction of the air exiting the housing 13 (either inside or outside the building).

In a basic embodiment of the device, the various paths of the air passage through the housing 13 (fig. 1, 6, 7-9) can be realized by combining the possibilities of connecting the inlet air duct 17 to the inlet ventilation tube 14 and the outlet air duct 20 to the outlet ventilation tube 15, which is performed manually. In the case of a particular embodiment of the device (fig. 3 and 5), it is possible to connect the inlet air duct 17 permanentlyThe permanent connection to the inlet ventilation duct 14 and the outlet air duct 20 to the ventilation duct 15 now enables various air paths through the housing 13 by switching the position of the first switching unit 24 and the second switching unit 25. These switches are performed by issuing commands from the control unit 27 to the switching units 24 and 25 based on the reading of the second temperature sensor 26. Reference value T of comfort temperature of building interior measured by second temperature sensor 26₂Is programmed into the control unit 27. The control unit 27 also has additional settings for the device operating mode for implementing indoor microclimate control, namely:

the cooling mode of the building 19 is such that,

the cooling mode of the building 19 simultaneously performs exhaust ventilation,

building heating mode, and

forced air ventilation mode and air heating.

If the current temperature inside the building exceeds T₂Value, one of the building cooling modes will be activated (see first or second mode below). If the current temperature inside the building falls to T₂Hereinafter, one of the building heating modes will be activated (see the third or fourth mode below).

This arrangement allows four air paths to be achieved through the housing 13, thus providing four additional functional modes of the refrigerator. Each of these four modes is set as needed to maintain a certain microclimate inside the building.

The first mode provides cooling of the building 19. Outdoor air enters through the air supply grille 18, the inlet air duct 17 and the inlet ventilation duct 14, then removes heat from the condenser 5 while passing through the casing 13, and exits through the outlet ventilation duct 15, the outlet air duct 20 and the exhaust grille 21. In the case of the basic embodiment of the device, this first cooling mode for the building 19 is achieved by connecting the inlet air duct 17 to the inlet ventilation duct 14 and the outlet air duct 20 to the outlet ventilation duct 15 (fig. 1, 5). In the case of a particular embodiment of the device (fig. 3 and 6), by means of a slave control unitThis first cooling mode for the building 19 is achieved by sending a command to the first switching unit 24 and then opening the inlet ventilation duct 14 and closing the inlet aperture 22 and by sending a command to the second switching unit 25 and then opening the outlet ventilation duct 15 and closing the outlet aperture 23. During this first cooling mode for the building 19, the total heat Q is equal to the heat Q penetrating into the thermal cabinet 1 from the interior of the building 19₁And a heat quantity Q substantially equal to the work performed by the motor-driven compressor 4₂The sum of (a) and (b). At the same time, the building 19 is heated by the heat Q₁Is cooled and heat Q is removed outdoors₂This heat is prevented from being radiated to the inside of the building 19 as in the case of the conventional refrigerator.

The second mode provides cooling of the building and simultaneous exhaust ventilation. During this second mode, indoor air from the building interior enters the housing 13, removes heat from the condenser 5 and carries the heat outdoors. In the case of this basic embodiment, this second mode is achieved when the inlet air duct 17 is disconnected from the inlet ventilation duct 14 and the outlet air duct 20 is connected to the outlet ventilation duct 15 (fig. 7). In the case of this particular embodiment (fig. 3 and 6), this second mode is achieved by sending a command from the control unit 27 to the first switching unit 24 to then close the inlet ventilation duct 14 and open the inlet aperture 22 and by sending a command to the second switching unit 25 to then open the outlet ventilation duct 15 and close the outlet aperture 23. During this second mode, the same amount of heat is removed from the building 19 with the indoor air as during the first mode, and the interior of the building 19 is cooled, as in the first mode.

When this is done in the first or second mode, the importance of the insulation of the housing 13 becomes critical, since this cuts off the heat transfer from the interior of the housing 13 to the indoor air of the building 19, which prevents reducing the efficiency of bringing this heat outdoors. The need to cool the building 19 manifests itself when the weather is hot and the temperature of the outdoor air is higher than the temperature of the interior of the building. The lack of insulation of the housing 13 will result in undesirable heating of the indoor air due to the heat transfer of the warm outdoor air through the housing 13.

In the case of this particular embodiment, selection between the first and second modes is achieved by setting the unit 27 to a cooling mode or a cooling mode with exhaust ventilation.

The third mode realizes ventilation of air supply to the building and heating of the air. During this third mode, outdoor air enters the housing 13, removes heat from the condenser 5, and enters the interior of the building. In the case of the basic embodiment of the device, this mode is achieved when the inlet air duct 17 is connected to the inlet ventilation duct 14 and the outlet air duct 20 is disconnected from the outlet ventilation duct 15 (fig. 8). In the case of the particular embodiment of the device (fig. 3 and 6), this mode is achieved by sending a command from the control unit 27 to the first switching unit 24, then opening the inlet ventilation duct 14 and closing the inlet aperture 22 and by sending a command to the second switching unit, then closing the outlet ventilation duct 15 and opening the outlet aperture 23. During this third mode, the air entering the building 19 has a total amount of heat Q generated in the condenser 5, Q₁+Q₂Heated and the interior of the building 19 is eventually made equal to the amount of energy consumed by the plant and approximately equal to the work Q performed by the motor-driven compressor 4₂Is heated by the amount of heat. The reasons for this observation are: heat Q absorbed by the cabinet 1 from the building 19₁By the same amount of heat Q received from the evaporator 3₁Compensated for, the same amount of heat Q₁Is generated by the condenser 5 and returned with the outdoor air into the building 19.

The fourth mode enables heating of the building. During this mode, as air passes through the housing 13, the indoor air is recirculated, heat from the condenser 5 is removed and the heat is supplied to the building interior. In the case of the basic embodiment of the device, the fourth mode is achieved when the inlet air duct 17 is disconnected from the inlet ventilation duct 14 and the outlet air duct 20 is disconnected from the outlet ventilation duct 15 (fig. 9). In the case of the particular embodiment of the device (fig. 3 and 6), by sending a command from the control unit 27 to the first switching unit 24 to then close the inlet ventilation pipe 14 and open the inlet hole 22 and to the second switchThe unit sends a command to then close the outlet vent-pipe 15 and open the outlet aperture 23 to achieve this fourth mode. During the fourth mode, as in the third mode, the building 19 is heated by an amount of heat Q approximately equal to the work performed by the motor driving the compressor 4₂Heating the mixture.

In the case of a particular embodiment of the apparatus, selection between the third mode and the fourth mode is achieved by setting a forced air mode and performing an air heating or building heating mode.

All additional functions of the device relating to the improvement of the indoor microclimate are carried out during the operation of its refrigeration circuit 2 simultaneously with the operation as a refrigerator. During the building cooling mode, the device supplements the function of the air conditioning device while consuming 0,8kW hours of electrical energy per day. The energy efficiency coefficients of the refrigeration circuits of the compressor refrigerator and the air conditioner are close, so that the same level of comfort temperature T is maintained inside the building₂The required air conditioning energy consumption is reduced by about the same value E-0.8 kW per day. Amount of heat Q₁Difference from temperature (T)₂-T₁) And (4) in proportion. When the temperature T is₁When the temperature drops to-15 degrees, the apparatus will operate as a freezer. In this case, the amount of heat transferred from the inside of the building 19 to the heat-insulating cabinet and then to the outside of the building is increased to 200W, Q₁The value increased to 4.8kW hours and the energy savings were about 1.6kW hours per day. When the device is operated in different modes, no additional energy is required, thereby reducing energy consumption.

By supplementing the refrigerator with a ventilation module 12, which ventilation module 12 is composed of (see the example of fig. 1) a housing 13, an inlet ventilation duct 14, an outlet ventilation duct 15 and a fan 16, wherein the inlet ventilation duct 14 and the outlet ventilation duct 15 are provided on opposite sides of the housing 13, and the fan 16 is installed inside the housing 13 between the inlet ventilation duct 14 and the outlet ventilation duct 15, the housing 13 is arranged on the heat-insulated cabinet 1, and the condenser 5 is installed inside the housing 13, wherein the housing 13 is configured to be accessible to outdoor air outside the building 19, so that heat can be transferred from the condenser 5 to outdoor air (outside the building 19) or indoor air (inside the building 19) circulated through the housing 13 by the fan 16. Depending on the direction of the air flow through the housing 13, the heat:

or is brought outside the building 19, thereby cooling the building,

or left inside, heating building 19.

By integrating the exhaust or supply air ventilation with the respective operating mode of the device, the indoor microclimate inside the building 19 can also be improved with respect to air quality.

Thus, the improvement of the indoor microclimate inside the building 19 is achieved simultaneously with the main function of the device (cooling) and without additional energy consumption. The total energy consumption of the family is reduced.

The housing 13 is provided with an inlet hole 22 geometrically joined to the inlet vent-pipe 14 and an outlet hole 23 geometrically joined to the outlet vent-pipe 15; the first switching unit 24 is disposed between the inlet hole 22 and the inlet vent pipe 14 and configured to open the inlet hole 22 and close the inlet vent pipe 14 and close the inlet hole 22 and open the inlet vent pipe 14; the second switching unit 25 is installed between the outlet hole 23 and the outlet vent pipe 15 and is configured to open the outlet hole 23 and close the outlet vent pipe 15 and close the outlet hole 23 and open the outlet vent pipe 15; the fact that the second temperature sensor 26 and the control unit 27 are provided on the insulated cabinet 1, while the control unit 27 is integrated with the temperature controller 10, makes the device operate automatically in various microclimate improvement modes.

The fact that the motor-driven compressor 4 is arranged on the insulated cabinet 1 results in a reduction in the length of the refrigeration circuit 2 compared to the prototype, and therefore in a reduction in the hydraulic resistance of the refrigerant passing along the circuit 2 during the vapour compression cycle. As a result, the load on the motor-driven compressor 4 is reduced, and the power consumption is reduced.

The fact that the motor-driven compressor 4 is mounted inside the housing 13 enables heat to be removed from the building to the outside in the cooling mode, wherein this heat is generated due to heat losses when the motor-driven compressor 4 is operated inside its casing. This solution contributes to improving the indoor microclimate inside the building and reducing the energy consumption required to maintain the indoor microclimate. In addition, mounting the motor driven compressor 4 inside the housing 13 in the air flow through the housing helps to centrally cool the motor driven compressor 4.

In the basic embodiment of the device, the fact that the first air filter 28 is arranged inside the inlet ventilation duct 14 prevents the condenser 5 from being contaminated when air passes through the housing 13. Contamination of the condenser 5 can lead to reduced efficiency and excessive energy consumption of the refrigeration circuit 2 during operation of the motor-driven compressor 4. Installation of the first air cleaner 28 may maintain device performance during operation.

In a particular embodiment of the device, the fact that the first air filter 28 is arranged inside the inlet ventilation duct 14 and the second air filter 29 is arranged inside the inlet aperture 22 prevents the condenser 5 from being contaminated when air passes through the housing 13. Contamination of the condenser 5 can lead to reduced efficiency and excessive energy consumption of the refrigeration circuit 2 during operation of the motor-driven compressor 4. The installation of the first air filter 28 and the second air filter 29 allows the device performance to be maintained during operation.

The fact that the housing 13 is thermally insulated results in a reduction in uncontrolled direct heat transfer between the air passing through the housing 13 and the indoor air inside the building 19. Uncontrolled heat transfer reduces the efficiency of heat flux distribution during operation of the device in various microclimate improvement modes. The insulation of the housing 13 eliminates this uncontrolled heat transfer and contributes to improved microclimate and reduced energy consumption. In addition, when the fan 16 and the motor-driven compressor 4 are placed inside the housing 13, the thermal insulation of the housing 13 helps reduce noise from the fan 16 and the motor-driven compressor 4.

The preferred mode of use of the device and its mode of operation, as a basic (fig. 1) or specific (fig. 3) embodiment, depends on the climate zone in which it is intended to be used. In tropical and equatorial climates, it is preferable to use a basic embodiment of the device operating in cooling mode (fig. 1 or 5) and in cooling mode with simultaneous exhaust ventilation (fig. 7). In mild climates, it is preferred to use a particular embodiment of the device (fig. 3 or fig. 6) in various operating modes, in which the air flow is automatically redirected by the switching units 24 and 25.

Performing other functions by the device may improve the indoor microclimate andno additional energy is required beyond that consumed by the device when acting as a conventional refrigerator. The maximum reduction in energy consumption occurs during continuous operation of the apparatus in the building cooling mode, which is particularly important in hot climates. Under these conditions, almost all the electric energy consumed by the device is used to maintain the room temperature at a comfortable level T₂While maintaining the temperature at the desired level T inside the insulated cabinet 1₁。