CN211567774U

CN211567774U - Front external cold air introducing device for large refrigerator

Info

Publication number: CN211567774U
Application number: CN201921968083.8U
Authority: CN
Inventors: 谢晶; 孙聿尧; 王金锋
Original assignee: Shanghai Ocean University
Current assignee: Shanghai Ocean University
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-25
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to a refrigerator car field, concretely relates to large-scale refrigerator car forward type outside air conditioning introducing device, including cold-stored railway carriage or compartment, refrigerating unit indoor set, refrigerating unit outdoor set, leading induced air wind channel, air diffuser, horizontal type tripe wind window, foldable elbow, deep bead, blade control knob, filter screen, apron, guide plate and blade. The utility model provides a large-scale refrigerator car external air conditioning introducing device of forward formula passes through leading induced air wind channel and introduces the cold-stored railway carriage or compartment with the produced outdoor air conditioning of refrigerator car when going to carry out the transport and the distribution of air conditioning through the air diffuser, also adopted the wind window structure of constituteing by horizontal type tripe wind window, foldable elbow and deep bead in the aspect of the atmospheric pressure is stable to exhaust, thereby stabilize the atmospheric pressure in the cold-stored railway carriage or compartment. The utility model discloses outdoor air conditioning has been utilized effectively, cools down to cold-stored railway carriage or compartment to reduce refrigerating unit's energy consumption, provide a new thinking for the energy-conserving design of refrigerator car.

Description

Front external cold air introducing device for large refrigerator

Technical Field

The utility model relates to a refrigerator car field, concretely relates to large-scale refrigerator car forward type outside air conditioning introducing device.

Background

At present, a refrigerator car is a very wide-spread form for transporting frozen foods, and the refrigerator car has the advantages of convenience in transportation and quality maintenance of the frozen foods and is mainly used for refrigerating by a refrigerating unit. However, in cold regions or in winter, the outdoor temperature is often much lower than the indoor temperature, and if outdoor cold air at the temperature is introduced into the refrigeration compartment of the refrigerator car, the food in the refrigeration compartment is cooled, and the energy consumption of the refrigeration unit is saved.

Disclosure of Invention

An object of the utility model is to provide a large-scale refrigerator plantago formula outside air conditioning introducing device, the device that is used for the refrigerator car to introduce outside air conditioning when going at the refrigerator car front side installation of refrigerator car combines with other relevant equipment simultaneously, in the refrigerator car of introducing the refrigerator car with outside air conditioning to the air that utilizes these air conditioning of introducing in to the refrigerator car cools down, thereby reduces refrigerating unit's energy consumption.

In order to achieve the above object, an embodiment of the present invention provides a front external cold air introducing device for a large refrigerator, comprising a refrigerator compartment, a refrigerator unit indoor unit, a refrigerator unit outdoor unit, a front induced air duct, a diffuser, a transverse louver, a folding elbow, a wind screen, a blade control knob, a filter screen, a cover plate, a guide plate and blades; the air diffusers comprise a first air diffuser, a second air diffuser, a third air diffuser, a fourth air diffuser, a fifth air diffuser, a sixth air diffuser, a seventh air diffuser, an eighth air diffuser, a ninth air diffuser, a tenth air diffuser and an eleventh air diffuser; the transverse louver comprises a first transverse louver and a second transverse louver; the folding elbows comprise a first folding elbow and a second folding elbow; the wind shield comprises a first wind shield and a second wind shield; the blade control knob comprises a first blade control knob and a second blade control knob; the filter screen comprises a first filter screen and a second filter screen; the cover plate comprises a first cover plate and a second cover plate; the guide plates comprise a first guide plate, a second guide plate, a third guide plate, a fourth guide plate, a fifth guide plate, a sixth guide plate, a seventh guide plate, an eighth guide plate, a ninth guide plate and a tenth guide plate; the blades comprise a first blade, a second blade, a third blade, a fourth blade, a fifth blade, a sixth blade, a seventh blade, an eighth blade, a ninth blade, a tenth blade, an eleventh blade, a twelfth blade, a thirteenth blade, a fourteenth blade, a fifteenth blade, a sixteenth blade, a seventeenth blade, an eighteenth blade, a nineteenth blade and a twentieth blade; the first air diffuser, the second air diffuser, the third air diffuser, the fourth air diffuser and the fifth air diffuser are a first group of air diffusers; the sixth air diffuser, the seventh air diffuser, the eighth air diffuser, the ninth air diffuser and the tenth air diffuser are a second group of air diffusers; the first transverse louver, the first folding elbow and the first wind shield are of a first group of louver structures; the second transverse louver, the second folding elbow and the second air baffle are of a second group of louver structures; the first blade, the second blade, the third blade, the fourth blade, the fifth blade, the sixth blade, the seventh blade, the eighth blade, the ninth blade and the tenth blade are a first blade group; the eleventh blade, the twelfth blade, the thirteenth blade, the fourteenth blade, the fifteenth blade, the sixteenth blade, the seventeenth blade, the eighteenth blade, the nineteenth blade and the twentieth blade are a second blade group; the refrigerating unit indoor unit is arranged in the center of the top of the front side in the refrigerating compartment; the refrigerating unit outdoor unit is arranged in the center of the top of the front side outside the refrigerating compartment; the installation positions of the indoor unit and the outdoor unit of the refrigerating unit correspond to each other; the front induced air duct is a U-shaped rectangular pipeline and is arranged in the refrigeration compartment, and 2 air inlets are arranged at two sides of the outdoor unit of the refrigeration unit at the front side of the refrigeration compartment; the diffuser is arranged on the front induced draft air duct, the first group of diffusers and the second group of diffusers are respectively arranged on the straight pipe sections of the front induced draft air duct with two sides parallel to the axis of the refrigerating box and are arranged at equal intervals, the eleventh diffuser is arranged on the straight pipe section of the front induced draft air duct vertical to the axis of the refrigerating box, and the installation point is positioned at the junction of the front induced draft air duct and the axis of the refrigerating box; the lower parts of two sides of the refrigeration compartment are provided with transverse louver windows, each transverse louver window is composed of 10 blades, the rotation direction of the blades is controlled by a blade control knob, the safe rotation angle is 15 degrees, and a buffer allowance of 3-5 degrees is reserved; the wind shield is arranged outside the corresponding transverse louver and is connected with the cold storage compartment through a folding elbow, the safe opening angle is 0-15 degrees, and a buffer allowance of 3-5 degrees is reserved; the transverse louver, the folding elbow and the wind shield form a louver structure; the filter screen is arranged at the air inlet of the front induced draft air duct and covers the whole air inlet; the cover plate is arranged on the front side outside the refrigeration compartment and is closed when the front induced draft air duct is not used.

Preferably, the front air inducing duct and the air diffuser are both made of aluminum alloy.

Preferably, the air inlet of the front induced draft air duct is covered by a filter screen.

Preferably, the horizontal orientation of the diffuser is consistent with the wind direction of the external cold air entering the front induced air duct.

Preferably, the distance between the diffusers is 800mm to 1200 mm.

Optionally, when the filter screen is installed, an elastic margin for bearing air flow impact is reserved for 0.5-2 cm.

Optionally, the maximum opening angle of the wind deflector is 18 ° to 20 °.

Preferably, the folding elbow is made of soft plastic.

Alternatively, the blades of the transverse type louver employ resin.

Preferably, the horizontal louver for exhausting air to form air flow is installed at the lower portion of both sides of the refrigerating compartment near the rear side.

Optionally, the vertical height of the guide plate is 30% -40% of the height of the front induced draft air duct.

The utility model discloses an use leading induced air wind channel, at the in-process that the refrigerator car traveles, in introducing cold-stored railway carriage or compartment with outdoor air conditioning, the air conditioning that utilizes these to introduce cold-stored railway carriage or compartment is cooled down to frozen food. Meanwhile, the utility model also utilizes the filter screen to isolate the small particle pollution outside the front induced air duct, thereby ensuring the cleanness of the air introduced into the refrigeration compartment; the transverse louver window and the wind shield which are arranged at the back positions of the two sides of the refrigeration compartment are combined for use to play a role in exhausting air, so that good air circulation is formed. Through the utility model discloses a design provides a new thinking for refrigerator car energy-saving design.

Drawings

FIG. 1 is a schematic view of a top cross-sectional view of a front external cold air introduction device of a large refrigerator according to the present invention, which includes a 1-refrigerating compartment, a 2-refrigerating unit indoor unit, a 3-refrigerating unit outdoor unit, a 4-front air guide duct, a 5.1-first diffuser, a 5.2-second diffuser, a 5.3-third diffuser, a 5.4-fourth diffuser, a 5.5-fifth diffuser, a 5.6-sixth diffuser, a 5.7-seventh diffuser, a 5.8-eighth diffuser, a 5.9-ninth diffuser, a 5.10-tenth diffuser, a 5.11-eleventh diffuser, a 6.1-first horizontal louver, a 6.2-second horizontal louver, a 7.1-first folding elbow, a 7.2-second folding elbow, a 8.1-first air deflector, a 2-first air deflector, a 4.1-first air deflector, a second air deflector, a third air deflector, a fourth air deflector, 8.2-second wind deflector, 9.1-first blade control knob, 9.2-second blade control knob, 10.1-first filter screen, 10.2-second filter screen, 11.1-first cover plate and 11.2-second cover plate.

Fig. 2 is a right side view structural schematic diagram of the front external cold air introducing device of the large refrigerator of the present invention, which includes a 1-refrigerating compartment, a 3-refrigerating unit outdoor unit, a 4-front induced air duct, a 7.1-first folding elbow, a 7.2-second folding elbow, a 8.1-first wind deflector, a 8.2-second wind deflector, a 10.1-first filter screen, a 10.2-second filter screen, a 11.1-first cover plate and a 11.2-second cover plate.

Fig. 3 is a schematic view of a front cross-sectional structure of a front external cold air introducing device of a large refrigerator of the present invention, including a 1-refrigerating compartment, a 2-refrigerating unit indoor unit, a 3-refrigerating unit outdoor unit, a 4-front air guiding duct, a 5.6-sixth air diffuser, a 5.7-seventh air diffuser, a 5.8-eighth air diffuser, a 5.9-ninth air diffuser, a 5.10-tenth air diffuser, a 5.11-eleventh air diffuser, a 6.1-first horizontal louver, a 9.1-first blade control knob, a 10.1-first filter screen, an 11.1-first cover plate, a 12.1-first guide plate, a 12.2-second guide plate, a 12.3-third guide plate, a 12.4-fourth guide plate, and a 12.5-fifth guide plate.

Fig. 4 is a schematic view of a rear cross-sectional view of a front external cold air introducing device of a large refrigerator according to the present invention, which includes a 1-refrigerating compartment, a 2-refrigerating unit indoor unit, a 3-refrigerating unit outdoor unit, a 4-front air guiding duct, a 5.1-first air diffuser, a 5.2-second air diffuser, a 5.3-third air diffuser, a 5.4-fourth air diffuser, a 5.5-fifth air diffuser, a 5.11-eleventh air diffuser, a 6.2-second horizontal louver, a 9.2-second two-vane control knob, a 10.2-second filter screen, an 11.2-second cover plate, a 12.6-sixth air guide plate, a 12.7-seventh air guide plate, a 12.8-eighth air guide plate, a 12.9-ninth air guide plate, and a 12.10-tenth air guide plate.

Fig. 5 is a front view schematically showing a 6.1-first horizontal louver of the front external cold air introducing device of the large refrigerator of the present invention, which includes 13.1-first blade, 13.2-second blade, 13.3-third blade, 13.4-fourth blade, 13.5-fifth blade, 13.6-sixth blade, 13.7-seventh blade, 13.8-eighth blade, 13.9-ninth blade and 13.10-tenth blade.

Fig. 6 is a schematic view showing a top view structure (after being opened) of a 6.1-first horizontal louver of the front external cold air introducing device of the large refrigerator of the present invention, including 13.1-first blade, 13.2-second blade, 13.3-third blade, 13.4-fourth blade, 13.5-fifth blade, 13.6-sixth blade, 13.7-seventh blade, 13.8-eighth blade, 13.9-ninth blade and 13.10-tenth blade.

Fig. 7 is a schematic view of the first set of air window structure (outside) of the front external cool air introducing device of the large refrigerator of the present invention, which includes 7.1-the first folding elbow and 8.1-the first wind deflector.

Fig. 8 is a front view schematically showing the structure of 6.2-second transverse louver of the front external cold air introducing device of the large refrigerator of the present invention, including 13.11-eleventh blade, 13.12-twelfth blade, 13.13-thirteenth blade, 13.14-fourteenth blade, 13.15-fifteenth blade, 13.16-sixteenth blade, 13.17-seventeenth blade, 13.18-eighteenth blade, 13.19-nineteenth blade, and 13.20-twentieth blade.

Fig. 9 is a schematic view showing a top view structure (after being opened) of a 6.2-second horizontal louver of the front external cold air introducing device for a large refrigerator according to the present invention, including 13.11-eleventh, 13.12-twelfth, 13.13-thirteenth, 13.14-fourteenth, 13.15-fifteenth, 13.16-sixteenth, 13.17-seventeenth, 13.18-eighteenth, 13.19-nineteenth, and 13.20-twentieth blades.

Fig. 10 is a schematic view of the second set of air window structure (outside) of the front external cool air introducing device of the large refrigerator of the present invention, which includes 7.2-second folding elbows and 8.2-second air baffles.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

The utility model discloses large-scale refrigerator car forward formula outside air conditioning introducing device uses the cotton large-scale refrigerator car in east wind sky as the basic motorcycle type to design as an example, whole car size: 9995 × 2530 × 3900mm, compartment size: 7400X 2300X 2400mm and 80mm in wall thickness.

As shown in fig. 1, an embodiment of the present invention provides a top cross-sectional structure of a front external cold air introduction device for a large refrigerator, the air conditioner comprises a refrigeration compartment 1, a refrigeration unit indoor unit 2, a refrigeration unit outdoor unit 3, a front air guide duct 4, a first air diffuser 5.1, a second air diffuser 5.2, a third air diffuser 5.3, a fourth air diffuser 5.4, a fifth air diffuser 5.5, a sixth air diffuser 5.6, a seventh air diffuser 5.7, an eighth air diffuser 5.8, a ninth air diffuser 5.9, a tenth air diffuser 5.10, an eleventh air diffuser 5.11, a first transverse louver 6.1, a second transverse louver 6.2, a first folding elbow 7.1, a second folding elbow 7.2, a first air baffle 8.1, a second air baffle 8.2, a first blade control knob 9.1, a second blade control knob 9.2, a first filter screen 10.1, a second filter screen 10.2, a first cover plate 11.1 and a second cover plate 11.2.

As shown in fig. 2, an embodiment of the present invention provides a sectional structure of a large refrigerator front external air conditioning introducing device, which includes a refrigerator compartment 1, a refrigerator unit outdoor unit 3, a front air duct 4, a first folding elbow 7.1, a second folding elbow 7.2, a first wind deflector 8.1, a second wind deflector 8.2, a first filter screen 10.1, a second filter screen 10.2, a first cover plate 11.1 and a second cover plate 11.2.

The first diffuser 5.1, the second diffuser 5.2, the third diffuser 5.3, the fourth diffuser 5.4 and the fifth diffuser 5.5 are a first group of diffusers; the sixth diffuser 5.6, the seventh diffuser 5.7, the eighth diffuser 5.8, the ninth diffuser 5.9 and the tenth diffuser 5.10 are the second group of diffusers.

The first transverse louver 6.1, the first folding elbow 7.1, the first wind shield 8.1 and the first blade control knob 9.1 are a first group of louver structures; the second transverse louver 6.2, the second folding elbow 7.2, the second wind baffle 8.2 and the second blade control knob 9.2 are of a second group of louver structures.

The refrigerating unit indoor unit 2 is arranged at the front side in the refrigerating compartment 1, is arranged at the top and is arranged in the middle, and the width is 1000 mm; the refrigerating unit outdoor unit 3 is arranged on the front side outside the refrigerating compartment 1, is arranged on the top, is arranged in the middle and has the width of 1000 mm; the front induced air duct 4 is arranged at the upper part inside the

refrigeration compartment

1, 2 air inlets are arranged at the front side of the refrigeration compartment 1, and the distance from the two sides of the refrigeration compartment 1 is 205 mm; the front induced air duct 4 is a U-shaped rectangular pipeline and consists of 3 straight pipe sections and 2 circular arc pipe sections, the sections of all the pipe sections are rectangles of 400 x 400mm, the length of 2 straight pipe sections parallel to the length direction of the refrigeration compartment 1 is 5680mm, the pipe sections are longer straight pipe sections, the length of 1 straight pipe section parallel to the width direction of the refrigeration compartment 1 is 450mm, the pipe sections are shorter straight pipe sections, the 2 circular arc pipe sections are quarter circular arcs, the radius of the outer side is 820mm, and the radius of the inner side is 370 mm; the first air diffuser 5.1, the second air diffuser 5.2, the third air diffuser 5.3, the fourth air diffuser 5.4, the fifth air diffuser 5.5, the sixth air diffuser 5.6, the seventh air diffuser 5.7, the eighth air diffuser 5.8, the ninth air diffuser 5.9, the tenth air diffuser 5.10 and the eleventh air diffuser 5.11 are all arranged at the lower part of the front air guide duct 4, the air ports are all rectangular with the size of 300 multiplied by 300mm and are arranged in the middle, the first group of air diffusers and the second group of air diffusers are respectively arranged on the longer straight pipe sections at two sides of the front air guide duct 4, the distance between each air port is 700mm, the distance between the first air diffuser 5.1 and the sixth air diffuser 5.6 from the front side of the refrigeration compartment 1 is 850mm, and the eleventh air diffuser 5.11 is arranged at the center of the shorter straight pipe section of the front air guide duct 4; the first filter screen 10.1 and the second filter screen 10.2 are respectively arranged at the air inlet of the front induced draft air duct 4 and cover the air inlet so as to prevent small particle pollution from invading into the refrigeration compartment 1; a first cover plate 11.1 and a second cover plate 11.2 are arranged beside an air inlet of the front induced air duct 4, the sizes of the first cover plate and the second cover plate are 400mm multiplied by 400mm, when outdoor air is not required to be introduced into the refrigerator car, the first cover plate 11.1 and the second cover plate 11.2 are rotated, and the air inlet of the front induced air duct 4 is sealed; a first group of air window structures and a second group of air window structures are arranged at the rear parts of the left side and the right side of the refrigeration compartment 1; the first transverse louver 6.1 and the second transverse louver 6.2 are close to one side of the rear side of the refrigeration compartment 1, and the distance from the rear side of the refrigeration compartment 1 is 180 mm; a first wind shield 8.1 and a second wind shield 8.2 are respectively arranged on the front sides of the first transverse louver 6.1 and the second transverse louver 6.2, and are respectively connected with the refrigerating compartment 1 by a first folding elbow 7.1 and a second folding elbow 7.2; the first vane control knob 9.1 and the second vane control knob 9.2 are respectively installed at two sides of the interior of the refrigeration compartment 1 near the first transverse louver 6.1 and the second transverse louver 6.2, and are used for controlling the opening conditions of the first transverse louver 6.1 and the second transverse louver 6.2.

The front induced draft air duct 4, the first diffuser 5.1, the second diffuser 5.2, the third diffuser 5.3, the fourth diffuser 5.4, the fifth diffuser 5.5, the sixth diffuser 5.6, the seventh diffuser 5.7, the eighth diffuser 5.8, the ninth diffuser 5.9, the tenth diffuser 5.10, the eleventh diffuser 5.11, the first wind shield 8.1, the second wind shield 8.2, the first cover plate 11.1 and the second cover plate 11.2 are all made of aluminum alloy, so as to ensure that the equipment has high strength and high waterproof capability.

When the first filter screen 10.1 and the second filter screen 10.2 are installed, an elastic margin 1cm for bearing the impact of air flow is reserved.

The control of the opening and closing of the first cover plate 11.1 and the second cover plate 11.2 is manual operation.

The first folding elbow 7.1 and the second folding elbow 7.2 are both made of soft plastics and can freely stretch when the first wind shield 8.1 and the second wind shield 8.2 rotate.

The maximum opening angles of the first wind shield 8.1 and the second wind shield 8.2 are set to be 20 degrees, but when the wind shield is used, the wind shield is opened to 15 degrees at most, the scales of the opening degrees are marked on the first folding elbow 7.1 and the second folding elbow 7.2, and the residual 5 degrees are used as buffer allowance for preventing the wind shield from being damaged due to overexertion.

As shown in fig. 3, an embodiment of the present invention provides a front-mounted external cold air introducing device for a large refrigerator, which comprises a refrigerating compartment 1, a refrigerating unit indoor unit 2, a refrigerating unit outdoor unit 3, a front air guiding duct 4, a sixth air diffuser 5.6, a seventh air diffuser 5.7, an eighth air diffuser 5.8, a ninth air diffuser 5.9, a tenth air diffuser 5.10, an eleventh air diffuser 5.11, a first horizontal louver 6.1, a first blade control knob 9.1, a first filter screen 10.1, a first cover plate 11.1, a first guide plate 12.1, a second guide plate 12.2, a third guide plate 12.3, a fourth guide plate 12.4, and a fifth guide plate 12.5.

As shown in fig. 4, an embodiment of the present invention provides a rear view sectional structure of a front external cold air introducing device for a large refrigerator, including a refrigeration compartment 1, a refrigeration unit indoor unit 2, a refrigeration unit outdoor unit 3, a front air guiding duct 4, a first diffuser 5.1, a second diffuser 5.2, a third diffuser 5.3, a fourth diffuser 5.4, a fifth diffuser 5.5, an eleventh diffuser 5.11, a second transverse louver 6.2, a second vane control knob 9.2, a second filter screen 10.2, a second cover plate 11.2, a sixth guide plate 12.6, a seventh guide plate 12.7, an eighth guide plate 12.8, a ninth guide plate 12.9, and a tenth guide plate 12.10.

The distance between the top of the front induced air duct 4 and the top of the refrigeration compartment 1 is 300 mm; the horizontal installation conditions of the first air diffuser 5.1, the second air diffuser 5.2, the third air diffuser 5.3, the fourth air diffuser 5.4, the fifth air diffuser 5.5, the sixth air diffuser 5.6, the seventh air diffuser 5.7, the eighth air diffuser 5.8, the ninth air diffuser 5.9, the tenth air diffuser 5.10 and the eleventh air diffuser 5.11 are as described in [0032], the vertical length is 130mm, the air port direction is inclined downwards, and the direction of the air port is consistent with the direction of outdoor cold air entering the front air guide duct 4 in the horizontal direction; a first guide plate 12.1, a second guide plate 12.2, a third guide plate 12.3, a fourth guide plate 12.4, a fifth guide plate 12.6, a fifth guide plate 12.8, a fifth guide plate 12.4, a fifth guide plate 12.5, a sixth guide plate 12.6, a seventh guide plate 12.7, an eighth guide plate 5.8, a ninth guide plate 5.9, a tenth guide plate 5.10 and an eleventh guide plate 5.11 are respectively arranged right above the first diffuser 5.1, the second diffuser 5.2, the seventh diffuser 5.6, the seventh guide plate 12.7, the eighth guide plate 12.8, the ninth guide plate 12.9 and the tenth guide plate 12.10, the length of each guide plate is 285mm, the guide plate and the top surface of the front induced air duct 4 form a 20 degrees, and the guide plate occupies 38 degrees of the duct height of the front induced air duct 4 in vertical height; the sizes of the first transverse louver 6.1 and the second transverse louver 6.2 are both 1000 multiplied by 500mm, the height from the bottom surface of the refrigeration compartment 1 is 500mm, and a first blade control knob 9.1 and a second blade control knob 9.2 are respectively arranged below the first transverse louver 6.1 and the second transverse louver 6.2; the first filter screen 10.1, the second filter screen 10.2, the first cover plate 11.1 and the second cover plate 11.2 are mounted as described [0032 ].

The first and second sets of diffusers serve to introduce cold air entering in one direction into the refrigerated compartment 1.

The eleventh diffuser 5.11 is used to sum up the cold air which was not successfully introduced into the refrigerated compartment 1 by the first and second sets of diffusers and finally to introduce it into the refrigerated compartment 1.

The guide plate is used for changing the flow direction of outdoor cold air entering the front air inducing duct 4, guiding a part of cold air to the diffuser, and guiding the part of cold air with larger wind speed through the next guide plate again.

The first blade control knob 9.1 and the second blade control knob 9.2 are installed on the inner side of the refrigeration compartment 1 and are respectively installed below the first transverse louver 6.1 and the second transverse louver 6.2, and the opening conditions of the first transverse louver 6.1 and the second transverse louver 6.2 are controlled by rotating the first blade control knob 9.1 and the second blade control knob 9.2.

As shown in fig. 5, an embodiment of the present invention provides a front view structure of a 6.1-first horizontal louver of a front external cold air introducing device for a large refrigerator, comprising a first blade 13.1, a second blade 13.2, a third blade 13.3, a fourth blade 13.4, a fifth blade 13.5, a sixth blade 13.6, a seventh blade 13.7, an eighth blade 13.8, a ninth blade 13.9 and a tenth blade 13.10.

As shown in fig. 6, the top view structure (after opening) of the 6.1-first horizontal louver of the front external cold air introducing device of the large refrigerator according to one embodiment of the present invention includes a first blade 13.1, a second blade 13.2, a third blade 13.3, a fourth blade 13.4, a fifth blade 13.5, a sixth blade 13.6, a seventh blade 13.7, an eighth blade 13.8, a ninth blade 13.9, and a tenth blade 13.10.

As shown in fig. 7, an embodiment of the present invention provides a schematic front view structure diagram of a first set of louver structures (outside) of a front-mounted external cold air introducing device for a large refrigerator, including a first folding elbow 7.1 and a first wind deflector 8.1.

The first transverse louver 6.1, the first folding elbow 7.1 and the first wind shield 8.1 are a first group of louver structures.

The first blade 13.1, the second blade 13.2, the third blade 13.3, the fourth blade 13.4, the fifth blade 13.5, the sixth blade 13.6, the seventh blade 13.7, the eighth blade 13.8, the ninth blade 13.9 and the tenth blade 13.10 form a first blade group.

The first blade group forms a first transverse louver 6.1, the size of each blade is 100 multiplied by 500mm, the rotating centers are all central axes, the maximum rotating angle is set to be 20 degrees, but when the louver is used, the louver is opened to 15 degrees at most, the scale of the opening degree is marked on a first blade control knob 9.1, and the residual 5 degrees are used as buffer allowance and used for preventing the louver from being damaged due to over-violent exertion.

The first folding elbow 7.1 is 500mm high, the radius is 100mm, the making material is soft plastics.

The first wind shield 8.1 is 500mm high and 1000mm long and is made of aluminum alloy.

When the first group of air window structures are not used, the first blade 13.1, the second blade 13.2, the third blade 13.3, the fourth blade 13.4, the fifth blade 13.5, the sixth blade 13.6, the seventh blade 13.7, the eighth blade 13.8, the ninth blade 13.9 and the tenth blade 13.10 are adjusted to be in a closed state, and then the first air baffle 8.1 is rotated to close the first transverse louver 6.1.

As shown in fig. 8, an embodiment of the present invention provides a front view structure of a 6.2-second horizontal louver of a front external cold air introducing device for a large refrigerator, including an eleventh blade 13.11, a twelfth blade 13.12, a thirteenth blade 13.13, a fourteenth blade 13.14, a fifteenth blade 13.15, a sixteenth blade 13.16, a seventeenth blade 13.17, an eighteenth blade 13.18, a nineteenth blade 13.19, and a twentieth blade 13.20.

As shown in fig. 9, the top view structure (after being opened) of the 6.2-second horizontal louver of the front external cold air introducing device for large refrigerator according to one embodiment of the present invention includes an eleventh blade 13.11, a twelfth blade 13.12, a thirteenth blade 13.13, a fourteenth blade 13.14, a fifteenth blade 13.15, a sixteenth blade 13.16, a seventeenth blade 13.17, an eighteenth blade 13.18, a nineteenth blade 13.19, and a twentieth blade 13.20.

As shown in fig. 10, an embodiment of the present invention provides a front view structure of a second set of louver structures (outside) of a front-mounted external cold air introducing apparatus for a large refrigerator, which includes a second folding bend 7.2 and a second air baffle 8.2.

The second transverse louver 6.2, the second folding elbow 7.2 and the second wind baffle 8.2 are a first group of louver structures.

The eleventh blade 13.11, the twelfth blade 13.12, the thirteenth blade 13.13, the fourteenth blade 13.14, the fifteenth blade 13.15, the sixteenth blade 13.16, the seventeenth blade 13.17, the eighteenth blade 13.18, the nineteenth blade 13.19, and the twentieth blade 13.20 are a second blade group.

The second blade group forms a first transverse louver 6.2, the size of each blade is 100 multiplied by 500mm, the rotating centers are all central axes, the maximum rotating angle is set to be 20 degrees, but when the louver is used, the louver is opened to 15 degrees at most, the scale of the opening degree is marked on a second blade control knob 9.2, and the rest 5 degrees are used as buffer allowance and used for preventing the louver from being damaged due to over-violent exertion.

The second folding elbow 7.2 is 500mm high, the radius is 100mm, and the manufacturing material is soft plastic.

The second wind baffle 8.2 is 500mm high and 1000mm long, and is made of aluminum alloy.

When the structure of the second group of louvers is not used, the eleventh louver 13.11, the twelfth louver 13.12, the thirteenth louver 13.13, the fourteenth louver 13.14, the fifteenth louver 13.15, the sixteenth louver 13.16, the seventeenth louver 13.17, the eighteenth louver 13.18, the nineteenth louver 13.19 and the twentieth louver 13.20 are adjusted to be in a closed state, and then the second louver 8.2 is rotated to close the second horizontal louver 6.2.

The blade is made of polycarbonate.

After introducing the outdoor cold air into the refrigeration compartment 1, the first group of air window structures and the second group of air window structures are used for exhausting the redundant air in the refrigeration compartment 1, meanwhile, due to the existence of the wind shield, the outdoor cold air entering the refrigeration compartment 1 from the first group of air window structures and the second group of air window structures is negligible, and the first group of air window structures and the second group of air window structures are mainly used for exhausting air so as to keep the air pressure in the refrigeration compartment 1 stable.

The above embodiments are merely illustrative of the design principles and applications of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The front external cold air leading-in device of the large refrigerator is characterized in that:

the front external cold air introducing device of the large refrigerator comprises a refrigeration compartment (1), a refrigerating unit indoor unit (2), a refrigerating unit outdoor unit (3), a front induced air duct (4), a diffuser, a transverse louver, a folding elbow, a wind shield, a blade control knob, a filter screen, a cover plate, a guide plate and blades;

the air diffuser comprises a first air diffuser (5.1), a second air diffuser (5.2), a third air diffuser (5.3), a fourth air diffuser (5.4), a fifth air diffuser (5.5), a sixth air diffuser (5.6), a seventh air diffuser (5.7), an eighth air diffuser (5.8), a ninth air diffuser (5.9), a tenth air diffuser (5.10) and an eleventh air diffuser (5.11);

the transverse louver comprises a first transverse louver (6.1) and a second transverse louver (6.2);

the folding elbows comprise a first folding elbow (7.1) and a second folding elbow (7.2);

the wind deflector comprises a first wind deflector (8.1) and a second wind deflector (8.2);

the blade control knob comprises a first blade control knob (9.1) and a second blade control knob (9.2);

the filter screens comprise a first filter screen (10.1) and a second filter screen (10.2);

the cover plates comprise a first cover plate (11.1) and a second cover plate (11.2);

the guide plates comprise a first guide plate (12.1), a second guide plate (12.2), a third guide plate (12.3), a fourth guide plate (12.4), a fifth guide plate (12.5), a sixth guide plate (12.6), a seventh guide plate (12.7), an eighth guide plate (12.8), a ninth guide plate (12.9) and a tenth guide plate (12.10);

the blades comprise a first blade (13.1), a second blade (13.2), a third blade (13.3), a fourth blade (13.4), a fifth blade (13.5), a sixth blade (13.6), a seventh blade (13.7), an eighth blade (13.8), a ninth blade (13.9), a tenth blade (13.10), an eleventh blade (13.11), a twelfth blade (13.12), a thirteenth blade (13.13), a fourteenth blade (13.14), a fifteenth blade (13.15), a sixteenth blade (13.16), a seventeenth blade (13.17), an eighteenth blade (13.18), a nineteenth blade (13.19) and a twentieth blade (13.20);

the first diffuser (5.1), the second diffuser (5.2), the third diffuser (5.3), the fourth diffuser (5.4) and the fifth diffuser (5.5) are a first group of diffusers;

a sixth diffuser (5.6), a seventh diffuser (5.7), an eighth diffuser (5.8), a ninth diffuser (5.9) and a tenth diffuser (5.10) are second group diffusers;

the first transverse louver (6.1), the first folding elbow (7.1) and the first wind shield (8.1) are of a first group of louver structures;

the second transverse louver (6.2), the second folding elbow (7.2) and the second wind baffle (8.2) are of a second group of louver structures;

the first blade (13.1), the second blade (13.2), the third blade (13.3), the fourth blade (13.4), the fifth blade (13.5), the sixth blade (13.6), the seventh blade (13.7), the eighth blade (13.8), the ninth blade (13.9) and the tenth blade (13.10) are a first blade group;

the eleventh blade (13.11), the twelfth blade (13.12), the thirteenth blade (13.13), the fourteenth blade (13.14), the fifteenth blade (13.15), the sixteenth blade (13.16), the seventeenth blade (13.17), the eighteenth blade (13.18), the nineteenth blade (13.19) and the twentieth blade (13.20) are a second blade group;

the refrigerating unit indoor unit (2) is arranged in the top center of the front side in the refrigerating compartment (1);

the refrigerating unit outdoor unit (3) is arranged in the top center of the front side outside the refrigeration compartment (1);

the installation positions of the refrigerating unit indoor unit (2) and the refrigerating unit outdoor unit (3) correspond to each other;

the front induced air duct (4) is a U-shaped rectangular pipeline and is arranged inside the refrigeration compartment (1), and 2 air inlets are arranged at two sides of the refrigeration unit outdoor unit (3) at the front side of the refrigeration compartment (1);

the air diffusers are arranged on the front induced draft air duct (4), the first group of air diffusers and the second group of air diffusers are respectively arranged on the straight pipe sections of the front induced draft air duct (4) with two sides parallel to the axis of the refrigerating box and are arranged at equal intervals, the eleventh air diffuser (5.11) is arranged on the straight pipe section of the front induced draft air duct (4) vertical to the axis of the refrigerating box, and the mounting point is positioned at the junction of the front induced draft air duct (4) and the axis of the refrigerating box (1);

the lower parts of two sides of the refrigeration compartment (1) are provided with transverse louver windows, each transverse louver window is composed of 10 blades, the rotation direction of the blades is controlled by a blade control knob, the safe rotation angle is 15 degrees, and a buffer allowance of 3-5 degrees is reserved;

the wind shields are arranged outside the corresponding transverse louver and connected with the cold storage compartment (1) through folding elbows, the safe opening angle is 0-15 degrees, and a buffer allowance of 3-5 degrees is reserved;

the transverse louver, the folding elbow and the wind shield form a louver structure;

the filter screen is arranged at the air inlet of the front induced draft air duct (4) and covers the whole air inlet;

the cover plate is arranged on the front side outside the refrigeration compartment (1) and is closed when the front induced draft air duct (4) is not used.

2. The front type external cold air introduction apparatus for a large refrigerator according to claim 1, wherein:

the front air inducing duct (4) and the air diffuser are both made of aluminum alloy.

3. The front type external cold air introduction apparatus for a large refrigerator according to claim 1, wherein:

the filter screen covers the air inlet of the front induced draft air duct (4).

4. The front type external cold air introduction apparatus for a large refrigerator according to claim 3, wherein:

the distance between the air diffusers is 800 mm-1200 mm.

5. The front type external cold air introduction apparatus for a large refrigerator according to claim 1, wherein:

when the filter screen is installed, an elastic allowance for bearing air flow impact is reserved for 0.5-2 cm.

6. The front type external cold air introduction apparatus for a large refrigerator according to claim 1, wherein:

the maximum opening angle of the wind shield is 18-20 degrees.

7. The front type external cold air introduction apparatus for a large refrigerator according to claim 1, wherein:

the folding elbow is made of soft plastic.

8. The front type external cold air introduction apparatus for a large refrigerator according to claim 1, wherein:

the blades of the transverse louver adopt resin.

9. The front type external cold air introduction apparatus for a large refrigerator according to claim 8, wherein:

the transverse louver is used for exhausting air and forming air flow circulation and is arranged at the lower parts of two sides of the refrigeration compartment (1) close to the rear side.

10. The front type external cold air introduction apparatus for a large refrigerator according to claim 1, wherein:

the vertical height of the guide plate is 30-40% of the height of the front induced draft air duct (4).