CN207035628U - Horizontal refrigerating cabinet - Google Patents

Abstract

The utility model discloses a horizontal refrigeration cabinet, which comprises a horizontal cabinet body and a door body. The horizontal cabinet body is provided with an evaporation cavity, and a fan and an evaporator are arranged in the evaporation cavity. 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 The side air outlets are respectively connected to the exhaust outlets of the evaporation chamber, and the return air passages are connected to the air inlets of the evaporation chamber; The outlet direction of the air outlet of the air outlet is arranged in a staggered manner, and at least one partition is arranged at the bottom of the horizontal cabinet, and the cold storage material is arranged in the partition, and a plurality of ventilation holes are opened on the partition, and the partition will The bottom space of the horizontal cabinet body is divided into multiple storage subspaces. Realize the uniform distribution of cooling capacity of the refrigerator, improve the cooling effect, and improve user experience.

Description

Horizontal refrigerator

technical field

The utility model relates to refrigeration equipment, in particular to a horizontal refrigeration cabinet.

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 freezer, the stored items are piled up inside the cabinet, the cold air cannot circulate smoothly in the cabinet, and the cooling capacity distribution in different areas is not balanced, resulting in poor cooling effect; At the same time, because the storage space of the freezer is large, the articles are placed in the storage space messily, which is also inconvenient for the user to take. How to design a refrigerator with uniform cooling capacity distribution, good cooling effect and better user experience is the technical problem to be solved by the utility model.

Utility model content

The utility model provides a horizontal refrigerating cabinet, which realizes uniform cooling capacity distribution of the refrigerating cabinet to improve the cooling effect and improve user experience.

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

A horizontal refrigeration cabinet, comprising a horizontal cabinet body and a door body, an evaporation cavity is arranged on the horizontal cabinet body, a fan and an evaporator are arranged in the evaporation cavity body, and one end of the horizontal cabinet body The end is provided with an end air duct, the two side walls of the horizontal cabinet are respectively provided with side air outlets, the bottom of the horizontal cabinet is provided with a return air duct, the end air duct and The side air outlets are respectively connected to the air outlets of the evaporation chamber, and the return air passages are connected to the air inlets of the evaporation chamber; the air outlet direction of the side air outlets is in line with the The air outlets of the air outlets at the end are arranged in a staggered direction, and the bottom of the horizontal cabinet is provided with at least one partition, the partition is provided with a cold storage material, and the partition is provided with a plurality of ventilation holes, so The partition divides the bottom space of the horizontal cabinet into multiple storage subspaces.

Further, the two side walls of the horizontal cabinet are respectively provided with multi-layer bearing parts arranged up and down, food baskets are arranged on the two bearing parts at the same height position, and a through-hole is opened on the food basket. hole.

Further, the partition is detachably installed on the bottom of the horizontal cabinet.

Further, the air return channel is respectively provided with air return ports at both ends of the horizontal cabinet.

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 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 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, and the first outlet The air outlet is spaced apart from the second air outlet by a partition.

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

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 cooling capacity distribution of the refrigerator evenly and improves the cooling effect; at the same time, the partition set at the bottom of the horizontal cabinet can keep the bottom Divided into multiple storage subspaces, users can store different items in different storage subspaces, which is convenient for users to take later and improves user experience.

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 refrigeration cabinet;

Fig. 2 is the second cross-sectional view of the embodiment of the utility model horizontal refrigeration cabinet;

Fig. 3 is a cross-sectional view three of an embodiment of the utility model horizontal refrigeration cabinet;

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

Fig. 5 is a schematic structural view of the magnetic control air curtain assembly in the embodiment of the horizontal refrigeration cabinet of the present invention;

Fig. 6 is a sectional view along A-A in Fig. 5;

Fig. 7 is a partially enlarged schematic diagram of area B in Fig. 6;

Fig. 8 is a cross-sectional view 4 of an embodiment of the horizontal refrigeration cabinet 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.

Embodiment one

As shown in Figures 1-2, the horizontal refrigeration cabinet in 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 body is provided with fan 4 and evaporator 3, one end of the horizontal cabinet 1 is provided with an end air outlet 11 and a return air duct 13 arranged up and down, and the two side walls of the horizontal cabinet 1 are respectively provided with side The air outlet channel 12, the end air outlet channel 11 and the side air outlet channel 12 are respectively connected to the air outlet of the evaporation chamber, and the air return channel 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 arranged alternately; wherein, the bottom of the horizontal cabinet body 1 is also provided with at least one partition 200 , The partition 200 is provided with cold storage material, and the partition 200 is provided with a plurality of ventilation holes 201, and the partition 200 divides the bottom space of the horizontal cabinet 1 into a plurality of storage subspaces.

Specifically, the horizontal refrigerating cabinet of this embodiment is provided with an end air outlet 11 at one end of the horizontal cabinet body 1, and side air outlets 12 are provided on both side walls, so as to realize three-sided air supply, wherein the end The air outlet direction of the upper air outlet channel 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 channel 11 can cover the entire cross section of the horizontal cabinet body 1, while the side air outlet The air outlet direction of the air duct 12 and the air outlet direction of the end air outlet duct 11 are arranged alternately, and the wind output from the side air outlet duct 12 impacts the wind output from the end air outlet duct 11, so that the horizontal cabinet A vortex airflow is formed inside the 1, and the vortex airflow can ensure that the longitudinal section of the horizontal cabinet 1 maintains a uniform cooling distribution, thereby keeping the temperature in the horizontal cabinet 1 uniform as a whole to improve the cooling effect. In order to be able to classify and store items and facilitate later users to take them, the partition 200 provided at the bottom of the horizontal cabinet 1 divides the bottom space of the horizontal cabinet 1 into multiple storage subspaces, and different items can be placed in different storage subspaces. In the object sub-space, items are classified and stored; at the same time, the ventilation holes 201 formed by the partition 200 can ensure the smooth flow of cold air at the bottom, and the cold storage material filled in the partition 200 can realize continuous cooling after power failure, so as to improve user experience . Preferably, the two side walls of the horizontal cabinet 1 are respectively provided with multi-layer bearing parts (unmarked) arranged up and down, and food baskets 100 are arranged on the two bearing parts at the same height position. The food basket 100 is provided with a through hole. Specifically, because the depth of the horizontal cabinet 1 is relatively deep, the use of the multi-layer food basket 100 can realize layered storage in the height direction. On the one hand, the horizontal cabinet 1 can be more fully utilized. On the other hand, it is more convenient for users to take the items in the lower part of the horizontal cabinet 1, and cooperate with the storage subspace formed by the partition 200 at the bottom of the horizontal cabinet 1 to realize the entire space area of the horizontal cabinet 1 Optimize storage and optimize user experience. The partition 200 is mounted on the bottom of the horizontal cabinet 1 in a detachable connection. For example, the partition 200 can be mounted on the bottom of the horizontal cabinet 1 by clamping or screwing, so that users can Adjust the size of different storage subspaces.

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. At the same time, the bottom of the horizontal cabinet 1 is also provided with a direct cooling evaporator coil, which can be used for radiation cooling to ensure that the bottom maintains a reasonable cooling temperature, realizes the effect of compound cooling, and further improves 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. In order to facilitate smooth air return, the air return channel 13 is respectively provided with return air outlets 131 and 132 at the two ends of the horizontal cabinet body 1 .

Further, as shown in Figures 3-4, the end air outlet 11 and the side air outlet 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 5-7, in order to more effectively improve the uniformity of cooling capacity distribution, the side air outlet duct 12 is arranged with multiple 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 cooling capacity distribution of the refrigerator evenly and improves the cooling effect; at the same time, the partition set at the bottom of the horizontal cabinet can keep the bottom Divided into multiple storage subspaces, users can store different items in different storage subspaces, which is convenient for users to take later and improves user experience.

Embodiment two

Based on the first embodiment above, optionally, as shown in Figure 3, the horizontal cabinet body 1 is provided with an organic compartment, the compressor 10 is arranged in the compartment, a water receiving tray 7 is also arranged in the compartment, and the evaporation cavity There is a drainage channel 71 connected to the water receiving tray 7 at the bottom of the bottom, the water receiving tray 7 is also provided with a humidification channel 72 connected to the upper part of the evaporation chamber, the drainage channel 71 is provided with a first valve (unmarked), and the humidification channel 72 is provided with a Second valve (not labeled). Specifically, the evaporation chamber is connected to the water receiving tray 7. During the defrosting process, the first valve is opened, and the frost layer on the evaporator 3 is heated to form defrosting water, and the defrosting water flows into the water receiving tray 7 through the drainage channel 71. During operation, since the air in the horizontal cabinet 1 circulates and flows into the evaporation chamber for cooling, the moisture content of the air in the horizontal cabinet 1 is relatively low. In order to avoid the items in the horizontal cabinet 1 Dehydration and air-drying, at this time, the second valve can be opened, so that the high-humidity air generated by the defrosting water in the water receiving tray 7 enters the evaporation chamber, and is transported to the air supply channel by the fan 4, so that the air can be adjusted The air humidity in the horizontal cabinet body 1 reduces or avoids dehydration and air-drying of articles, and improves the cooling effect. In order to accurately control the switch of the second valve, a humidity sensor (not shown) is provided in the air supply channel, the return air channel 13 or the evaporation chamber, and the humidity sensor is linked with the second valve. When the humidity value is detected to be out of the set range When inside, control the second valve to open. Wherein, in order to obtain sufficient high-humidity air, the water receiving tray 7 is located on the upper part of the compressor 10; and/or, the water receiving tray 7 is provided with an electric heating wire. In addition, the humid air outlet of the humidifying channel 72 faces the fan 4 , so that high-humidity air can quickly enter the air supply channel to humidify the articles in the horizontal cabinet 1 . 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 bottom of the side air outlet channel 12 is provided with a second air outlet 122 for downward air outlet, and the first air outlet 121 Separated from the second air outlet 122 by a partition 123, the first air outlet 121 is used to impact the air outlet of the end air outlet 11, while the second air outlet 122 is used to directly flow into the lower space of the chest freezer 1 Conveying cooling capacity to further improve the uniformity of cooling capacity distribution.

When defrosting, due to the air-cooled refrigeration method, the frost layer is formed on the evaporator. During the defrosting process, the evaporator opens the first valve to collect the defrosting water in the water receiving tray, which will not damage the horizontal cabinet. The items in the body are affected, and it is convenient to clean up the frost; at the same time, the second valve can be opened according to the need, so that the water vapor generated by the defrosting water in the water tray enters the evaporation cavity and is input from the air supply channel to the horizontal cabinet according to the cold air In this way, the humidity in the horizontal cabinet can be kept within the set range, and the items in the horizontal cabinet can be prevented from being air-dried due to lack of moisture, so that the cooling capacity of the freezer can be evenly distributed and the cooling effect and user experience can be improved.

Embodiment three

Based on the first embodiment above, optionally, as shown in FIG. 8 , the horizontal cabinet body 1 is provided with an organic compartment, in which a compressor 10 is arranged, and a drainage channel 71 connected to the water receiving tray 7 is provided at the bottom of the evaporation chamber. , the drainage channel 71 is provided with a drain valve (unmarked), and the return air channel 13 is also connected with a bypass air channel 8 for communicating with the evaporation chamber. The switch valve (not marked) of the return air channel 13 and the bypass channel 8, the bypass channel 8 is connected with an air drying module 81, and the horizontal cabinet 1 is provided with a humidity sensor (not shown) linked with the switch valve. Specifically, in order to facilitate defrosting and reduce user operations, the evaporation chamber is connected to the water receiving tray 7. During the defrosting process, the drain valve is opened, and the frost layer on the evaporator 3 is heated to form defrosting water. The defrosting water passes through the drainage channel 71 flows into the water receiving tray 7. And when the humidity in the horizontal cabinet body 1 is too high, the wind path between the return air passage 13 and the evaporation chamber is closed by switching the valve, and the air path between the bypass air passage 8 and the evaporation chamber is opened. The air is input into the evaporation cavity through the bypass channel 8, and the air drying module in the bypass channel 8 can effectively remove the moisture in the air to achieve the purpose of reducing humidity. Wherein, the air drying module 81 may be a desiccant disposed in the bypass channel 8; or, the air drying module 81 may be an electrolyzed water device. An auxiliary valve (not shown) linked with the humidity sensor is also provided at the connection between the bypass channel 8 and the evaporation chamber. In addition, the humidity sensor can also be arranged in the return air channel 13 and on the air intake side of the switching valve, so that the humidity in the horizontal cabinet 1 can be detected more accurately, so as to perform effective humidity regulation.

During defrosting, due to the air-cooled refrigeration method, the frost layer is formed on the evaporator. During the defrosting process, the evaporator opens the drain valve to collect the defrosting water in the water receiving tray, which will not damage the horizontal cabinet. It is convenient to clear the frosting; at the same time, when the humidity sensor in the horizontal cabinet detects that the humidity value exceeds the set value, the return air channel is closed by switching the valve to return air to the evaporation chamber and the bypass air channel is opened. The return air in the horizontal cabinet enters the evaporation chamber from the bypass channel, and after the return air is processed by the air drying module in the bypass channel, it can effectively reduce the moisture content of the air, thereby reducing the humidity in the horizontal cabinet, so that It can ensure that the humidity in the horizontal cabinet is kept within the set range, avoid damage to the items in the horizontal cabinet due to excessive humidity, realize uniform cooling distribution of the freezer, and improve the cooling effect and user experience.

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 refrigerating cabinet, including horizontal cabinet and door body, it is characterised in that be provided with evaporation cavity on the horizontal cabinet Body, blower fan and evaporator is provided with the evaporation cavity, the one end of the horizontal cabinet is provided with end exhaust passage, described The two side of horizontal cabinet is respectively arranged with sidepiece exhaust passage, and the bottom of the horizontal cabinet is provided with air -return duct, the end Exhaust passage and the sidepiece exhaust passage are respectively communicated with the exhaust outlet of the evaporation cavity, and the air -return duct connects the evaporation cavity Air inlet；The air outlet direction in the air outlet direction of the sidepiece exhaust passage and the end exhaust passage is staggeredly set Put；The bottom of the horizontal cabinet is additionally provided with least one cut-off, is provided with cool storage material in the cut-off, on the cut-off Multiple air vents are offered, the bottom space of the horizontal cabinet is divided into multiple storing subspaces by the cut-off.

2. horizontal refrigerating cabinet according to claim 1, it is characterised in that set respectively on the two side of the horizontal cabinet There is the multilayer supporting part arranged up and down, food basket, the food are provided with two supporting parts of sustained height position Through hole is offered on product basket.

3. horizontal refrigerating cabinet according to claim 1, it is characterised in that the cut-off is detachably arranged in described horizontal The bottom of cabinet.

4. horizontal refrigerating cabinet according to claim 1, it is characterised in that the air -return duct is positioned at the horizontal cabinet Both ends are provided with return air inlet respectively at position.

5. horizontal refrigerating cabinet according to claim 1, it is characterised in that the end exhaust passage and the sidepiece exhaust passage It is connected respectively by drainage wind curtain component with the exhaust outlet of the evaporation cavity；The drainage wind curtain component include the first framework and First air curtain, forms the first air port in first framework, and the top of first air curtain is provided with first rotating shaft, and described first Rotating shaft is rotatably arranged in first framework, and first air curtain is used to block first air port.

6. horizontal refrigerating cabinet according to claim 1, it is characterised in that the sidepiece exhaust passage extends along direction arrangement There are multiple air outlets, magnetic control air curtain component, the magnetic control air curtain component are provided with the air outlet of each sidepiece exhaust passage Including the second framework and the second air curtain, the second air port is formed in second framework, the top of second air curtain is provided with Two rotating shafts, second rotating shaft are rotatably arranged in second framework, and second air curtain is used to block described second Air port, the bottom of second air curtain be provided with permanent magnet, and second framework is provided with for coordinating with the permanent magnet Electromagnet.

7. horizontal refrigerating cabinet according to claim 6, it is characterised in that along the sidepiece exhaust passage in the horizontal cabinet Bearing of trend is disposed with multiple temperature sensors, the institute of the magnetic control air curtain component of the temperature sensor and corresponding position State electromagnet linkage.

8. horizontal refrigerating cabinet according to claim 6, it is characterised in that second framework is around second air port Periphery is embedded in the step surface formed with the step surface for positioning second air curtain, the electromagnet.

9. horizontal refrigerating cabinet according to claim 1, it is characterised in that the side wall of the sidepiece exhaust passage is provided with level First air outlet of air-out, the bottom of the sidepiece exhaust passage are provided with the second air outlet of downward air-out, first air-out Separated between mouth and the second air outlet by partition room.

10. horizontal refrigerating cabinet according to claim 1, it is characterised in that the bottom of the horizontal cabinet is additionally provided with directly Cold type evaporator coil.