CN207035647U - Horizontal type wind-cooling refrigerator - Google Patents

Abstract

The utility model discloses a horizontal air-cooled refrigerator, which comprises a horizontal cabinet body and a door body. An evaporation chamber is arranged on the horizontal cabinet body. A fan and an evaporator are arranged in the evaporation chamber. One end of the horizontal cabinet is provided with an end air outlet and a return air duct arranged up and down, and the two side walls of the horizontal cabinet are respectively provided with side air outlets, and the end air outlet and the air return The side air outlets are respectively connected to the air outlet of the evaporation chamber, and the return air passage is connected to the air inlet of the evaporation chamber; the air outlet direction of the side air outlet is in line with the end The air outlet directions of the air outlets in the air outlet duct are arranged in a staggered manner. Realize the even distribution of cooling capacity of the refrigerator and improve the cooling effect.

Description

Horizontal air-cooled freezer

technical field

The utility model relates to refrigeration equipment, in particular to a horizontal air-cooled refrigerator.

Background technique

At present, refrigeration equipment (refrigerators, freezers, etc.) are commonly used electrical appliances in people's daily life, and freezers are divided into horizontal freezers and vertical freezers, and horizontal freezers are widely used because of their large storage capacity. Conventional horizontal refrigerators usually use direct cooling for refrigeration, but during use, the cabinet is prone to frost. In order to reduce frost inside the cabinet, air-cooled horizontal refrigerators are gradually being promoted. Chinese Patent Nos. 201520524111.2 and 201520611759.3 respectively disclose air-cooled horizontal refrigerators, and realize air-cooled refrigeration of the horizontal refrigerators by setting air outlets and return air outlets. However, due to the large internal volume of the cabinet of the horizontal refrigerator, the stored items are piled up inside the refrigerator, the cold air cannot circulate smoothly in the cabinet, and the cooling capacity distribution in different regions is not balanced, resulting in poor cooling effect. How to design an air-cooled freezer with uniform cooling capacity distribution and good cooling effect is the technical problem to be solved by the utility model.

Contents of the invention

The utility model provides a horizontal air-cooled refrigerator, which realizes uniform cooling capacity distribution of the refrigerator and improves the refrigeration effect.

In order to achieve the above-mentioned technical purpose, the utility model adopts the following technical solutions to realize:

A horizontal air-cooled refrigerator, comprising a horizontal cabinet body and a door body, the horizontal cabinet body is provided with an evaporation chamber, the evaporation chamber is provided with a fan and an evaporator, the horizontal cabinet body One end is provided with an end air outlet and an air return duct arranged up and down, the two side walls of the horizontal cabinet are respectively provided with side air outlets, and the end air outlet and the side air outlet The channels are respectively connected to the exhaust outlet of the evaporation cavity, and the return air channel is connected to the air inlet of the evaporation cavity; The air outlet direction of the air outlet is set in a staggered manner.

Further, the bottom of the horizontal cabinet is also provided with a direct cooling evaporator coil.

Further, the return air duct is provided with a plurality of return air openings, and the size of the plurality of return air openings gradually increases from the middle to both sides.

Further, the side wall of the side air outlet is provided with a first air outlet for horizontal air outlet, and the lower part of the side air outlet is provided with a second air outlet for downward air outlet.

Further, the air outlet at the end and the air outlet at the side are respectively connected to the air exhaust port of the evaporation chamber through a gravity air curtain assembly; the gravity air curtain assembly includes a first frame and a first wind Curtain, the first air port is formed in the first frame, the upper part of the first air curtain is provided with a first rotating shaft, the first rotating shaft is rotatably installed in the first frame, the first air curtain Used to cover the first air outlet.

Further, the first frame is installed in the corresponding end air outlet and the side air outlet, or the first frame is installed in the air outlet of the evaporation chamber.

Further, the side air outlet channel is provided with a plurality of air outlets along its extending direction, each air outlet of the side air outlet channel is provided with a magnetically controlled air curtain assembly, and the magnetically controlled air curtain assembly includes The second frame and the second air curtain, the second air port is formed in the second frame, the upper part of the second air curtain is provided with a second rotating shaft, and the second rotating shaft is rotatably installed in the second frame , the second air curtain is used to block the second air port, the lower part of the second air curtain is provided with a permanent magnet, and the second frame is provided with an electromagnet for cooperating with the permanent magnet.

Further, a plurality of temperature sensors are arranged in the horizontal cabinet along the extending direction of the side air outlet, and the temperature sensors are linked with the electromagnets of the magnetic control air curtain assembly at corresponding positions.

Further, the second frame forms a step surface for positioning the second air curtain around the periphery of the second tuyere, and the electromagnet is embedded in the step surface.

Further, the side air outlet is also provided with an auxiliary air outlet extending downward.

Compared with the prior art, the advantages and positive effects of the utility model are: by setting the side air outlets on the two side walls of the horizontal cabinet respectively, and setting the end air outlet at one end of the horizontal cabinet The air outlet direction of the side air outlet and the air outlet direction of the end air outlet are arranged alternately. The cold air blown by the end air outlet can cover the entire cross section of the horizontal cabinet, and the sinking of the cold air The principle can make the cooling capacity sink downwards. At the same time, the cold air blown from the side air duct can make the air flow in the horizontal cabinet form a vortex, thus ensuring a balanced distribution of cooling capacity in the longitudinal section of the horizontal cabinet. The bottom return air duct realizes the air circulation in the horizontal cabinet, makes the temperature distribution in the horizontal cabinet uniform, realizes the uniform distribution of the cooling capacity of the refrigerator and improves the cooling effect.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appended drawings in the following description The drawings are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings on the premise of not paying creative labor.

Fig. 1 is a sectional view one of the embodiment of the utility model horizontal air-cooled refrigerator;

Fig. 2 is the second cross-sectional view of the embodiment of the utility model horizontal air-cooled refrigerator;

Fig. 3 is a partially enlarged schematic diagram of area A in Fig. 1;

Fig. 4 is a schematic structural view of the gravity air curtain assembly in the embodiment of the horizontal air-cooled refrigerator of the present invention;

Fig. 5 is B-B direction sectional view among Fig. 4;

Fig. 6 is a schematic structural view of the magnetic control air curtain assembly in the embodiment of the horizontal air-cooled refrigerator of the present invention;

Fig. 7 is a sectional view to C-C in Fig. 6;

Fig. 8 is a partially enlarged schematic diagram of area D in Fig. 7;

Fig. 9 is the third cross-sectional view of the embodiment of the horizontal air-cooled refrigerator of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1-3, the horizontal air-cooled refrigerator of this embodiment includes a horizontal cabinet body 1 and a door body 2. The horizontal cabinet body 1 is provided with an evaporation chamber, and the evaporation chamber is provided with There is a fan 4 and an evaporator 3, one end of the horizontal cabinet body 1 is provided with an end air outlet duct 11 and an air return duct 13 arranged up and down, and the two side walls of the horizontal cabinet body 1 are respectively provided with side The end air outlet 12, the end air outlet 11 and the side air outlet 12 are respectively connected to the air outlet of the evaporation chamber, and the return air passage 13 is connected to the air inlet of the evaporation chamber The air outlet direction of the air outlet of the side air outlet duct 12 and the air outlet air outlet direction of the end air outlet duct 11 are set alternately.

Specifically, the horizontal air-cooled refrigerator in this embodiment is provided with an end air outlet 11 at one end of the horizontal cabinet body 1, and a side air outlet 12 is provided on both side walls, so as to realize air supply from three sides, wherein, The air outlet direction of the end air outlet duct 11 is toward the other end of the horizontal cabinet body 1, so that the cold air output from the air outlet of the end air outlet duct 11 can cover the entire cross section of the horizontal cabinet body 1, while the side part The air outlet direction of the air outlet channel 12 and the air outlet direction of the end air outlet channel 11 are arranged alternately, and the wind output from the side air outlet channel 12 impacts the wind output from the end air outlet channel 11, so that the horizontal cabinet A vortex airflow is formed inside the body 1, and the vortex airflow can ensure that the longitudinal section of the horizontal cabinet body 1 maintains a uniform cooling capacity distribution, thereby making the temperature in the horizontal cabinet body 1 uniform as a whole to improve the cooling effect. Wherein, the end air outlet duct 11 and the side air outlet duct 12 are located below the cabinet mouth of the horizontal cabinet body 1, using the principle that the cold air naturally sinks, the end air outlet duct 11 and the side air outlet duct 12 The cold air output from the side air outlet channel 12 re-enters the evaporation cavity from the lower return air channel 13 after sinking through heat exchange. In addition, the size of the air outlet of the side air outlet channel 12 increases gradually along the direction of the air flow inside the side air outlet channel 12, while the air return channel 13 is provided with a plurality of air return ports, and the size of the plurality of air return ports It gradually becomes larger from the middle to both sides to ensure wind circulation on both sides and improve temperature uniformity. Alternatively, as shown in FIG. 9 , the side air outlet 12 is also provided with an auxiliary air outlet 14 extending downward, and the auxiliary air outlet 14 can also be used to supply air to the bottom of the horizontal cabinet 1 . At the same time, the bottom of the horizontal cabinet body 1 is also provided with a direct-cooling evaporator coil 10, which can be used for radiative cooling to ensure that the bottom maintains a reasonable cooling temperature and achieve the effect of compound cooling. Improve the cooling effect. Preferably, the side wall of the side air outlet channel 12 is provided with a first air outlet 121 for horizontal air outlet, and the lower part of the side air outlet channel 12 is provided with a second air outlet 122 for downward air outlet. The first air outlet 121 and the second air outlet 122 are separated by a partition 13, the first air outlet 121 is used to impact the air outlet of the end air outlet 11, and the second air outlet 122 is used to directly blow air into the horizontal refrigerator. The lower space of 1 transports cooling capacity, which further improves the uniformity of cooling capacity distribution.

Further, as shown in Figure 4 and Figure 5, the end air outlet duct 11 and the side air outlet duct 12 are respectively connected to the air outlet of the evaporation chamber through the gravity air curtain assembly 5; The curtain assembly 5 includes a first frame 51 and a first air curtain 52. A first air opening 511 is formed in the first frame 51. A first rotating shaft 521 is arranged on the upper part of the first air curtain 52. The first rotating shaft 521 Rotatably installed in the first frame 51 , the first air curtain 52 is used to cover the first air port 511 . Specifically, in a normal cooling process, the airflow generated by the fan 4 will overcome the weight of the first air curtain 52 and blow open the first air curtain 52 to realize air supply. During the defrosting process of the evaporator 3, the fan 4 stops running, and under the action of gravity, the first air curtain 52 will cover the first tuyere 511, thereby preventing the heat generated by the defrosting of the evaporator 3 from entering the air outlet through the air outlet. In the horizontal cabinet 1, excessive temperature fluctuations in the horizontal cabinet 1 during the defrosting process can be avoided, the cooling effect can be improved more effectively, and at the same time, the loss of cooling capacity can also be reduced to reduce energy consumption. The first frame 51 is installed in the corresponding end air outlet channel 11 and the side air outlet channel 12 , or the first frame 51 is installed in the air outlet of the evaporation chamber. The first frame 51 can be an independent structural member, or can form an integral structural member with the corresponding end air outlet channel 11 and the side air outlet channel 12 .

Furthermore, as shown in Figures 6-8, in order to more effectively improve the uniformity of cooling capacity distribution, the side air outlet duct 12 is arranged with a plurality of air outlets along its extending direction, each of the side air outlets The air outlet of the air duct 12 is provided with a magnetically controlled air curtain assembly 6, the magnetically controlled air curtain assembly 6 includes a second frame 61 and a second air curtain 62, and a second air port 611 is formed in the second frame 61, so The upper part of the second air curtain 62 is provided with a second rotating shaft 621, the second rotating shaft 621 is rotatably installed in the second frame 62, and the second air curtain 62 is used to block the second air port 611 , the lower part of the second air curtain 62 is provided with a permanent magnet 63 , and the second frame 61 is provided with an electromagnet 64 for cooperating with the permanent magnet 63 . Specifically, the structural form of the magnetically controlled air curtain assembly 6 is similar to that of the gravity air curtain assembly 5. The difference is that the permanent magnet 63 and the electromagnet 64 are used to cooperate to realize the switch of the electronically controlled second air curtain 62 and the opening angle of the second air curtain 62. , wherein, a plurality of temperature sensors (not shown) are arranged in the horizontal cabinet body 1 along the extending direction of the side air outlet duct 12, and the temperature sensors and the magnetic control air curtain assembly at the corresponding positions The electromagnet 64 of 6 is linked. Specifically, the temperature sensors at different positions are linked with at least one magnetically controlled air curtain assembly 6 at the corresponding position. When the temperature sensor detects that the temperature is higher than the set value, the electromagnet 64 The repulsive force is applied to the permanent magnet 63, thereby increasing the opening angle of the second air curtain 62; otherwise, the electromagnet 64 applies a small repulsive force or attractive force to the permanent magnet 63, so that the opening angle of the second air curtain 62 becomes larger. Little even closes the second air curtain 62. In order to facilitate the installation of the permanent magnet 63 and the electromagnet 64, the second frame 61 is formed with a stepped surface 612 for positioning the second air curtain 62 around the periphery of the second tuyere 611, and the electromagnet 64 is embedded in In the step surface 612 .

Compared with the prior art, the advantages and positive effects of the utility model are: by setting the side air outlets on the two side walls of the horizontal cabinet respectively, and setting the end air outlet at one end of the horizontal cabinet The air outlet direction of the side air outlet and the air outlet direction of the end air outlet are arranged alternately. The cold air blown by the end air outlet can cover the entire cross section of the horizontal cabinet, and the sinking of the cold air The principle can make the cooling capacity sink downwards. At the same time, the cold air blown from the side air duct can make the air flow in the horizontal cabinet form a vortex, thus ensuring a balanced distribution of cooling capacity in the longitudinal section of the horizontal cabinet. The bottom return air duct realizes the air circulation in the horizontal cabinet, makes the temperature distribution in the horizontal cabinet uniform, realizes the uniform distribution of the cooling capacity of the refrigerator and improves the cooling effect.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the embodiments of the present invention. and range.

Claims (10)

1. a kind of Horizontal type wind-cooling refrigerator, it is characterised in that including horizontal cabinet and door body, evaporation is provided with the horizontal cabinet Cavity, blower fan and evaporator is provided with the evaporation cavity, the one end of the horizontal cabinet is provided with the end arranged up and down Portion exhaust passage and air -return duct, the two side of the horizontal cabinet are respectively arranged with sidepiece exhaust passage, the end exhaust passage and institute The exhaust outlet that sidepiece exhaust passage is respectively communicated with the evaporation cavity is stated, the air -return duct connects the air inlet of the evaporation cavity； The air outlet direction in the air outlet direction of the sidepiece exhaust passage and the end exhaust passage is staggered.

2. Horizontal type wind-cooling refrigerator according to claim 1, it is characterised in that the bottom of the horizontal cabinet is additionally provided with directly Cold type evaporator coil.

3. Horizontal type wind-cooling refrigerator according to claim 1, it is characterised in that the air -return duct is provided with multiple return air inlets, The size of multiple return air inlets is become larger from centre to both sides.

4. Horizontal type wind-cooling refrigerator according to claim 1, it is characterised in that the side wall of the sidepiece exhaust passage is provided with water Clear the first air outlet of wind, the bottom of the sidepiece exhaust passage is provided with the second air outlet of downward air-out.

5. Horizontal type wind-cooling refrigerator according to claim 1, it is characterised in that the end exhaust passage and the sidepiece air-out Road is connected by drainage wind curtain component with the exhaust outlet of the evaporation cavity respectively；The drainage wind curtain component includes the first framework With the first air curtain, the first air port is formed in first framework, the top of first air curtain is provided with first rotating shaft, and described One rotating shaft is rotatably arranged in first framework, and first air curtain is used to block first air port.

6. Horizontal type wind-cooling refrigerator according to claim 5, it is characterised in that first framework is arranged on corresponding described In end exhaust passage and the sidepiece exhaust passage, or, first framework is arranged in the exhaust outlet of the evaporation cavity.

7. Horizontal type wind-cooling refrigerator according to claim 1, it is characterised in that the sidepiece exhaust passage extends along direction cloth Multiple air outlets are equipped with, magnetic control air curtain component, the magnetic control air curtain group are provided with the air outlet of each sidepiece exhaust passage Part includes the second framework and the second air curtain, forms the second air port in second framework, the top of second air curtain is provided with Second rotating shaft, second rotating shaft are rotatably arranged in second framework, and second air curtain is used to block described the Two air ports, the bottom of second air curtain are provided with permanent magnet, and second framework is provided with for coordinating with the permanent magnet Electromagnet.

8. Horizontal type wind-cooling refrigerator according to claim 7, it is characterised in that along the sidepiece air-out in the horizontal cabinet Road bearing of trend is disposed with multiple temperature sensors, the magnetic control air curtain component of the temperature sensor and corresponding position The electromagnet linkage.

9. Horizontal type wind-cooling refrigerator according to claim 8, it is characterised in that second framework surrounds second air port Periphery formed with the step surface for positioning second air curtain, the electromagnet is embedded in the step surface.

10. Horizontal type wind-cooling refrigerator according to claim 1, it is characterised in that the sidepiece exhaust passage is additionally provided with downwards The auxiliary exhaust passage of extension.