WO2024061193A1

WO2024061193A1 - Refrigeration apparatus

Info

Publication number: WO2024061193A1
Application number: PCT/CN2023/119610
Authority: WO
Inventors: 姜明亮; 徐志国; 杨发林; 刘衍富; 李秋双
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2022-09-21
Filing date: 2023-09-19
Publication date: 2024-03-28

Abstract

Provided in the present invention is a refrigeration apparatus. A compressor bin is internally provided with a compressor, and a control box connected to a side wall of the compressor bin; a side wall at a lower end of a mounting housing is provided with a wiring hole for communicating the inside with the outside of the mounting housing, and a sunken wiring groove arranged around the wiring hole; and the sunken wiring groove is located in an outer side of the mounting housing, and is provided with a drainage hole at a bottom wall thereof in a penetrating manner. The present invention solves the problem of a power supply board or a control board mounted in the control box being damaged due to the fact that moisture in the compressor bin is condensed on an inner wall of the control box after being evaporated.

Description

Refrigeration equipment

Technical Field

The present invention relates to the field of refrigeration technology, and in particular to a refrigeration equipment.

Background technique

As a refrigeration equipment, the refrigerator is used to preserve or store food ingredients, solving the problem of food preservation. As a common household appliance, refrigerators have already entered thousands of households. As we all know, the control box of the current refrigerator is formed on the top or back of the refrigerator by being embedded in the foam layer of the refrigerator. Therefore, the distance between the control box and the compressor wiring will be relatively long, resulting in an increase in manufacturing costs.

At present, some refrigerators also install the control box directly in the compressor compartment from the perspective of manufacturing cost. However, a water tray is generally provided in the compressor compartment. After the water in the water tray evaporates, it often condenses on the inner wall of the control box to form water droplets. The dripping of water droplets can easily cause damage to the power board or control board installed in the control box. In addition, the water droplets condensed in the control box will also be transmitted to the far end along the wires passing through the control box, which may cause a short circuit.

Contents of the invention

The object of the present invention is to provide a refrigeration equipment to solve the problem that in existing refrigeration equipment, the water in the compressor chamber evaporates and condenses on the inner wall of the control box to form water droplets. The dripping of water droplets can easily cause the damage caused by the water droplets installed in the control box. The problem of damage to the power board or control board, and the condensation of water droplets in the control box along the wires running on the control box to the remote end, thereby causing a short circuit.

In order to achieve the above object of the present invention, one embodiment of the present invention provides a refrigeration equipment, including a compressor chamber, wherein the compressor chamber is provided with a compressor and a control unit connected to the side wall of the compressor chamber. box, the compressor and the control box are electrically connected through wires. The control box includes a bottom plate arranged along the inside of the side wall of the compressor chamber and an installation shell covering the bottom plate. The side wall located at the lower end of the installation shell There is a wiring hole connecting the inside and outside of the installation shell and a sunken wire trough arranged around the wiring hole. The sunken wire trough is located on the outside of the installation shell and has a drainage hole running through it on the bottom wall. hole.

As a further improvement of one embodiment of the present invention, the bottom plate is provided with mounting ribs along its periphery, and the end surface of the mounting shell facing the bottom plate is provided with a waterproof slot, and the mounting rib is clamped in the waterproof slot. Inside.

As a further improvement of an embodiment of the present invention, the waterproof slot is provided with a drainage gap on at least a section located at the lower end of the first side wall on the first side wall outside the installation shell, and the drainage gap is The distance from the inner wall of the notch close to the inner bottom wall of the waterproof card slot to the inner bottom wall is smaller than the distance from the end surface of the second side wall of the waterproof card slot inside the installation shell to the aforementioned inner bottom wall. distance between.

As a further improvement of an embodiment of the present invention, the mounting shell is configured in the shape of a rectangular parallelepiped with one side open, the bottom plate is configured to match the rectangular mounting shell, and the end surface of the mounting shell faces the bottom plate There is a straight flange facing the outside of the installation shell. The side of the straight flange away from the installation shell is provided with the first side wall in a direction away from the bottom wall of the installation shell. The installation shell faces The end face of the bottom plate is provided with the second side wall along its inner side away from the bottom wall of the installation shell, and the upper end of the installation shell The surface and the portion of the straight flange located between the first side wall and the second side wall form the bottom wall of the waterproof card slot.

As a further improvement of an embodiment of the present invention, the drainage notch is provided on the second side wall where the waterproof card slot is located on the upper and lower side walls of the installation shell.

As a further improvement of one embodiment of the present invention, the side wall of the compressor compartment includes side wall bodies arranged on the left and right and a flange arranged on one end of the side wall body close to the rear side of the refrigeration device, the flange is arranged away from the interior of the compressor compartment, and the mounting shell is provided with a fixing portion that can be fixedly connected to the flange.

As a further improvement of an embodiment of the present invention, the fixing part includes a fixing support plate arranged vertically on the rear side wall of the installation shell and a connection connected to the fixing support plate and facing the flange. Support plate, the connecting support plate is fixedly connected to the flange.

As a further improvement of an embodiment of the present invention, the first side walls on the upper and lower side walls of the mounting shell are respectively provided with a plurality of receiving grooves, and the mounting ribs are provided with a plurality of receiving grooves corresponding to the receiving grooves. The hook is matched with the receiving groove, and the hook is engaged in the receiving groove.

As a further improvement of an embodiment of the present invention, a surface of the bottom plate facing away from the mounting shell is provided with claws, and a side wall of the compressor chamber is provided with a groove that matches the claws.

As a further improvement of an embodiment of the present invention, a heat sink is provided on a side of the installation housing facing away from the installation.

Compared with the prior art, the beneficial effects of the present invention are:

The wiring holes that are arranged on the side wall at the lower end of the mounting shell and connect the inside and outside of the mounting shell are used for wiring and drainage, thereby solving the problem of short circuit caused by condensation of water vapor in the control box; through the sunken wire trough, water droplets on the wires are dripped onto the bottom wall of the sunken wire trough instead of flowing along the wires, thus solving the problem of short circuit caused by water droplets being transmitted to the far end of the wire away from the control box.

Description of drawings

Figure 1 is a schematic structural diagram of a refrigerator in an embodiment of the present invention;

Figure 2 is an enlarged view of M in Figure 1;

Figure 3 is a schematic structural diagram of the control box in Figure 1;

Figure 4 is an exploded diagram of the control box in Figure 3;

Figure 5 is a schematic structural diagram of the rectangular parallelepiped-shaped installation shell with one side open in Figure 4;

Figure 6 is a schematic structural diagram of the bottom plate in Figure 4;

Figure 7 is a right view of the control box in Figure 1;

Figure 8 is a cross-sectional view of position A in Figure 7;

Figure 9 is an enlarged view of position N in Figure 8;

Figure 10 is a left side view of the control box in Figure 1.

The above description of the drawings includes the following reference signs:
1. Compressor;
2. Control box; 21. Base plate; 211. Installation ribs; 2111. Hook; 212. Claw; 22.
Installation shell; 221, wiring hole; 222, sunken wire trough; 2221, drainage hole; 223, waterproof card Groove; 2231, first side wall; 22311, accommodation groove; 2232, drainage gap; 2233, second side wall; 224, straight flange; 225, fixed support plate; 226, connecting support plate;
3. Side wall body; 31. Flange;
4. Heat sink;
5. Wires.

Detailed ways

It should be noted that, as long as there is no conflict, the embodiments and features in the embodiments of this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings commonly understood by those of ordinary skill in the technical field to which this application belongs.

In the present invention, unless otherwise specified, the directional words used such as "up, down, top, bottom" usually refer to the direction shown in the drawings, or refer to the vertical or vertical position of the component itself. Vertically or in the direction of gravity; similarly, for ease of understanding and description, "inside and outside" refers to the inside and outside relative to the outline of each component itself, but the above directional terms are not used to limit the present invention.

In order to solve the problem in the prior art that the control box installed in the compressor compartment of the refrigerator condenses water droplets on the inner wall during use, causing damage to the power supply board or control board installed in the control box, and the condensed water droplets will travel along the The wires installed on the control box are easily transmitted to the remote end, causing a short circuit. The invention provides a refrigeration equipment with a compressor compartment.

A refrigeration equipment provided by an embodiment of the present invention includes a compressor chamber, wherein the compressor chamber is provided with a compressor 1 and a control box 2 connected to the side wall of the compressor chamber. 1 is electrically connected to the control box 2 through wires. The control box 2 includes a compressed There is a bottom plate 21 provided on the inside of the side wall of the machine room and an installation shell 22 covering the bottom plate. The side wall located at the lower end of the installation shell 22 is provided with a wiring hole 221 that connects the inside and outside of the installation shell and a wiring hole 221 surrounding the wiring. A sunken wire trough 222 is provided in the hole 221. The sunken wire trough 222 is located on the outside of the installation shell 22 and has a drainage hole 2221 penetrating through its bottom wall.

It can be understood that the control box 2 is usually equipped with a circuit board, a power switching device, a transformer device, etc. inside. Usually, the external power supply introduces the power into the control box 2 through leads, and then the power supply in the control box 2 is converted. The connecting device provides higher voltage power to compressor 1, defrost heating wire and other components. Compressor 1 and control box 2 are electrically connected through wires. In fact, it is the power transfer device between compressor 1 and the control box. connected.

Of course, the power adapter device in the control box 2 can also be connected to the transformer device in the control box 2 to transform the voltage, and then provide lower voltage power to the weak current control system of the refrigerator. The weak current control system can also be connected to a circuit board to perform command operations on various components of the refrigerator.

According to the above arrangement, the wires connected between the compressor 1 and the control box 2 are routed through the wiring holes 221 provided on the side wall at the lower end of the installation shell 22 to communicate with the inside and outside of the installation shell 22. The wires are After coming out of the control box 2, it will be accommodated in the sunken wire trough 222. Therefore, the condensed moisture on the inner wall of the control box 2 will follow the inner wall of the control box 2 and finally pass through the wiring hole provided on the lower end side wall of the installation shell 22. It can be understood that the wiring hole 221 can facilitate the passage of the wires connecting the compressor 1 and the control box 2 on the one hand, and it can also play a role in drainage on the other hand.

The wire portion outside the control box is first placed in the sunken wire trough 222, and then routed outside the sunken wire trough 222. The wires are gathered in the sunken wire trough 222 after passing through the mounting shell 22, and then led out from the trough wall of the sunken wire trough 222. This arrangement can ensure that water droplets on the wires drip onto the bottom wall of the sunken wire trough 222, instead of flowing along the wires and being transmitted to the far end of the wires away from the control box 2, thereby causing a short circuit.

In order to drain the water droplets accumulated in the sunken wire trough 222, a drainage hole 2221 is provided through the bottom wall of the sunken wire trough 222.

Furthermore, the bottom plate 21 is provided with mounting ribs 211 along its periphery, and the end surface of the mounting shell 22 facing the bottom plate 21 is provided with a waterproof slot 223, and the mounting ribs 211 are snapped into the waterproof slot 223. This snap-fitting method enables the bottom plate 21 and the mounting shell 22 to be tightly snapped together and is convenient for disassembly.

As a preferred way, the waterproof slot 223 is provided with a drainage gap 2232 on at least a section of the lower end of the first side wall 2231 on the first side wall 2231 outside the installation shell 22, as shown in Figure 8- As shown in 9, the distance a from the inner bottom wall of the drainage gap 2232 close to the inner bottom wall of the waterproof slot 223 to the inner bottom wall is smaller than the third position of the waterproof slot 223 inside the installation housing. The distance b between the end surfaces of the two side walls 2233 and the aforementioned inner bottom wall.

With such an arrangement, when the water in the evaporation plate in the compressor compartment is accidentally splashed onto the control box 2, the drainage gap 2232 of the waterproof slot 223 located on the first side wall outside the installation shell 22 can effectively The water is drained out of the waterproof slot 223. At the same time, since the distance from the end surface of the second side wall 2233 to the inner bottom wall of the waterproof slot 223 is higher than the distance on the inner wall of the drainage gap 2232 close to the inner bottom wall, water can be passed through the second side wall 2233. The wall 2233 further blocks water in the waterproof slot. According to the principle of the connector, it is understandable that the water in the waterproof slot preferentially flows out of the drainage gap 2232. discharge.

Furthermore, since the drainage gap 2232 is penetrated through at least a section of the first side wall 2231 located at the lower end of the first side wall 2231 , it can be ensured that the water in the waterproof slot 223 can be drained through the drainage gap 2232 .

As a preferred way, the installation shell 22 is configured in the shape of a rectangular parallelepiped with one side open, which facilitates the installation and setting of the aforementioned drainage slot 223. The bottom plate 21 is configured to match the rectangular parallelepiped-shaped installation shell 22, and the shape of the The end surface of the mounting shell 22 facing the bottom plate 21 is provided with a straight flange 224 facing the outside of the mounting shell 22. It can be understood that the straight flange 224 is circumferentially arranged along the four side walls of the rectangular parallelepiped-shaped mounting shell 22. of.

The side of the straight flange 224 away from the mounting shell 22 is provided with the first side wall 2231 in a direction away from the bottom wall of the mounting shell 22 . The second side wall 2233 is provided on the inner side of the bottom wall away from the installation shell 22. The upper end surface of the installation shell 22 and the straight flange 234 are located on the first side wall 2231 and the second side wall 2233. The portion in between forms the bottom wall of the waterproof slot 223 .

Further, the drainage gap 2232 is provided on the second side wall 2233 of the waterproof card slot 223 on the upper and lower side walls of the installation shell 22, especially the second side wall on the lower side wall. The drainage gap 2232 on the waterproof card slot 223 can ensure that the water in the waterproof card slot 223 is drained cleanly.

Further, the side wall of the compressor chamber includes side wall bodies 3 arranged on the left and right and a flange 31 provided on one end of the side wall body close to the rear side of the refrigeration equipment. The flange 31 is away from The compressor compartment is arranged inside, and the mounting shell 22 is provided with a fixing portion that can be fixedly connected to the flange 31 . It can be understood that when the control box 2 is connected to the side wall of the compressor chamber, the fixing part plays the main connection role.

Specifically, the fixing part includes a fixing support plate 225 arranged on the rear side wall of the installation shell 22 in a vertical direction and a connecting support plate 226 connected to the fixing support plate 225 and disposed toward the flange 31, The connecting support plate 226 is fixedly connected to the flange 31 .

Further, the first side walls 2231 on the upper and lower side walls of the rectangular parallelepiped-shaped mounting shell 22 are respectively provided with a plurality of receiving grooves 22311, and the mounting ribs 211 are provided with a plurality of receiving grooves. The matching hook 2111 is engaged in the accommodating groove 22311, so that the rectangular parallelepiped-shaped installation 22 is engaged with the bottom plate 21.

As a preferred way, the side of the bottom plate 21 facing away from the installation shell is provided with claws 212, and the side wall of the compressor compartment is provided with a slot that matches the claws 212. When the control is When the box 2 is installed on the inner side of the side wall of the compressor compartment, the claws 212 can first be locked into the corresponding slots, thereby predetermining the position and facilitating installation.

Furthermore, a heat sink 4 is provided on the side of the installation housing away from the installation, which can effectively diffuse the temperature inside the control box outwards, thereby preventing the electrical components inside the control box from being damaged by high temperature.

To sum up, the embodiments of the present invention achieve the following technical effects:

The cables are routed and drained through the wiring holes 221 located on the side wall at the lower end of the installation shell 22 that communicate with the inside and outside of the installation shell 22, thereby solving the problem of short circuit caused by condensation of water vapor in the control box; through the sunken cable In the groove 222, the water droplets on the wires are dripped onto the bottom wall of the sunken wire trough 222 instead of flowing along the wires, which solves the problem of water droplets transmitting to the far end of the wires away from the control box 2 and causing a short circuit. question.

Obviously, the above-described embodiments are only part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art will not All other embodiments obtained by making creative efforts shall fall within the scope of protection of the present invention.

It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular forms are also intended to include the plural forms unless the context clearly indicates otherwise. Furthermore, it will be understood that when the terms "comprises" and/or "includes" are used in this specification, they indicate There are features, steps, work, means, components and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

A refrigeration equipment, including a compressor compartment, characterized in that a compressor (1) and a control box (2) connected to the side wall of the compressor compartment are provided in the compressor compartment, and the compressor ( 1) Electrically connected to the control box (2) through wires. The control box (2) includes a bottom plate (21) provided along the inside of the side wall of the compressor chamber and an installation shell (22) covered on the bottom plate. It is located The side wall of the lower end of the installation shell (22) is provided with a wiring hole (221) that connects the inside and outside of the installation shell and a sunken wire trough (222) arranged around the wiring hole (221). The sunken wire trough (222) is located outside the installation shell (22) and has a drainage hole (2221) penetrating its bottom wall.
The refrigeration equipment according to claim 1, characterized in that the bottom plate (21) is provided with mounting ribs (211) along its periphery, and the end surface of the installation shell (22) facing the bottom plate (21) is provided with a waterproof card. slot (223), and the mounting rib (211) is clamped in the waterproof slot (223).
The refrigeration equipment according to claim 2, characterized in that the waterproof card slot (223) is located on the first side wall (2231) outside the installation shell (22) at least on the first side wall (2231). ) is provided with a drainage gap (2232) running through a section of the lower end of the drainage gap (2232). The distance from the inner wall of the drainage gap (2232) close to the inner bottom wall of the waterproof slot (223) to the inner bottom wall is less than the The waterproof card slot (223) is located at the distance between the end surface of the second side wall (2233) inside the installation housing and the aforementioned inner bottom wall.
The refrigeration equipment according to claim 3, characterized in that the mounting shell (22) is configured in the shape of a rectangular parallelepiped with one side open, and the bottom plate (21) is configured to match the rectangular mounting shell (22). , the end face of the mounting shell (22) facing the bottom plate (21) There is a straight flange (224) facing the outside of the installation shell (22). The side of the straight flange (224) away from the installation shell (22) is along the side away from the bottom wall of the installation shell (22). The first side wall (2231) is provided in the direction of Wall (2233), the upper end surface of the mounting shell (22) and the portion of the straight flange (234) located between the first side wall (2231) and the second side wall (2233) form the The bottom wall of the waterproof card slot (223).
The refrigeration equipment according to claim 4, characterized in that the drainage gap (2232) is provided in the second waterproof slot (223) located on the upper and lower side walls of the installation shell (22). On the side wall (2233).
The refrigeration equipment according to claim 4, characterized in that the side wall of the compressor compartment includes side wall bodies (3) arranged on the left and right and a side wall body (3) arranged on the rear side of the side wall body close to the refrigeration equipment. The flange (31) on one end is arranged away from the inside of the compressor chamber, and the installation shell (22) is provided with a fixed portion that can be fixedly connected to the flange (31). .
The refrigeration equipment according to claim 6, characterized in that the fixing part includes a fixing support plate (225) arranged on the rear side wall of the installation shell (22) in a vertical direction and a fixing support plate (225) connected to the fixing support plate (225). 225) and a connecting support plate (226) provided toward the flange (31), and the connecting support plate (226) is fixedly connected to the flange (31).
The refrigeration equipment according to claim 4, characterized in that, the first side wall (2231) on the upper and lower side walls of the installation shell (22) is respectively provided with a plurality of receiving grooves (22311). The mounting ribs (211) are provided with a plurality of hooks (2111) that match the accommodation grooves, and the hooks (2111) are engaged in the accommodation grooves (22311).
The refrigeration equipment according to claim 1, characterized in that the bottom plate (21) is provided with a claw (212) on a side facing away from the installation shell, and a side wall of the compressor compartment is provided with a claw (212) connected to the side of the mounting shell. The claws (212) match the slots.
The refrigeration device according to claim 1, characterized in that a heat sink (4) is provided on a surface of the mounting shell facing away from the mounting.