CN219141201U

CN219141201U - Refrigerator with a refrigerator body

Info

Publication number: CN219141201U
Application number: CN202320174689.4U
Authority: CN
Inventors: 赖晓翔
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-06-06
Anticipated expiration: 2033-01-18

Abstract

The utility model discloses a refrigerator, which comprises a refrigerator body, a door body and a box body; the box has the storing room, the storing room has the opening, the door body lid is located the opening, be equipped with heating element in the box body, the door body is located to the box body, be in the closed condition when the door body, the box body is located the storing is indoor, and the box body is located the upper portion of storing room, because the cold air density in the storing is indoor is big, cold air sinks easily, gather in the lower part in the storing is indoor, make the temperature of the indoor upper portion position of storing higher, be favorable to the temperature in the box body to rise, can reduce heating element's input, more energy-conserving, because the box body is located the higher position department of storing indoor temperature, can weaken the heat exchange of box body and storing room, alleviate the influence of box body to the indoor temperature of storing.

Description

Refrigerator with a refrigerator body

Technical Field

The utility model relates to the technical field of household appliances, in particular to a refrigerator.

Background

At present, in order to realize the temperature change effect, a temperature change box is usually arranged on a door body of the refrigerator, and the temperature of the temperature change box can be higher than the temperature in a storage chamber of the refrigerator. In the related art, a heating component is arranged in the temperature changing box, the power of the heating component is larger, the energy consumption is higher, the temperature changing box is positioned in a storage chamber of the refrigerator, and the temperature in the storage chamber is easily influenced by the temperature changing box.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the refrigerator provided by the utility model can fully utilize the temperature in the storage chamber, reduce the power of the heating component, is more energy-saving and environment-friendly, and can weaken the influence of the box body on the temperature in the storage chamber.

According to an embodiment of the utility model, a refrigerator includes: the box body is provided with a storage chamber, and the storage chamber is provided with an opening; the door body is covered on the opening; the box body is internally provided with a heating component, the box body is arranged on the door body, when the door body is in a closed state, the box body is positioned in the storage chamber, and the box body is positioned on the upper part of the storage chamber.

The refrigerator provided by the embodiment of the utility model has at least the following beneficial effects: the box body is connected with the door body, when the door body is in the closed state, the box body is located the storing room of refrigerator, and the box body is located the upper portion of the storing room of refrigerator, because the cold air density in the storing room is big, cold air is easy to sink, gather in the lower part in the storing room, make the temperature in the upper position in the storing room higher, be favorable to the temperature in the box body to rise, can reduce heating element's input, it is more energy-conserving, because the box body is located the higher position department of storing indoor temperature, can weaken the heat exchange of box body and storing room, alleviate the influence of box body to the indoor temperature of storing.

According to some embodiments of the utility model, the heating assembly is located on a side of the box adjacent to the door.

According to some embodiments of the utility model, a turbulence device is provided in the box.

According to some embodiments of the utility model, the box body is provided with a first installation cavity and a storage cavity, the turbulence device is installed in the first installation cavity, and the box body is provided with a vent hole which is communicated with the first installation cavity and the storage cavity.

According to some embodiments of the utility model, the box body comprises a main body and a first side plate, the storage cavity is arranged in the main body, the first side plate is positioned outside the main body and detachably connected with the main body, and the first mounting cavity is formed between the first side plate and the main body.

According to some embodiments of the utility model, a control module is arranged in the box body, the control module is electrically connected with the turbulence device, the box body comprises a main body and a second side plate, the second side plate is positioned outside the main body and is detachably connected with the main body, a second mounting cavity is formed between the second side plate and the main body, and the control module is mounted in the second mounting cavity.

According to some embodiments of the utility model, a bracket is provided in the box body, and the bracket is provided with a through hole for circulating air flow in the box body.

According to some embodiments of the utility model, a bracket is provided in the box body, a supporting part is provided in the box body, and the bracket is placed on the supporting part.

According to some embodiments of the utility model, the bracket is provided with a protrusion, the support is provided with a notch, and the protrusion is matched with the notch.

According to some embodiments of the utility model, the case is provided with an insulating layer, and the circuit of the electrical element in the case is provided in the insulating layer.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic structural view of a first door and a box of a refrigerator according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a box according to some embodiments of the present utility model;

fig. 3 is an enlarged view at a shown in fig. 2;

fig. 4 is an enlarged view at B shown in fig. 2;

FIG. 5 is an exploded view of a cartridge according to some embodiments of the present utility model;

FIG. 6 is an exploded view of a cartridge according to some embodiments of the present utility model;

fig. 7 is an enlarged view at C shown in fig. 6;

FIG. 8 is an exploded view of a cartridge according to some embodiments of the present utility model;

FIG. 9 is a schematic view of a box according to some embodiments of the present utility model;

fig. 10 is an enlarged view of D shown in fig. 9;

FIG. 11 is a schematic view of a box according to some embodiments of the present utility model;

fig. 12 is an enlarged view at E shown in fig. 11.

Reference numerals:

a first door body 100;

the box body 200, the first installation cavity 210, the storage cavity 220, the second installation cavity 230, the first ventilation opening 240, the second ventilation opening 250, the first side plate 260, the third side plate 270, the second side plate 280, the clamping part 290, the clamping groove 2100, the second clamping piece 2200, the supporting part 2300 and the notch 2310;

a heating assembly 300;

bracket 400, through hole 410, protrusion 420;

the door comprises a second door body 500, a sealing strip 510, a first clamping piece 520 and a holding part 530;

a display control board 600;

the power interface structure 700.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Based on this, referring to fig. 1, the embodiment of the utility model provides a refrigerator, which can fully utilize the temperature in the storage chamber, reduce the power of the heating assembly 300, save more energy and protect environment, and reduce the influence of the box 200 on the temperature in the storage chamber.

Specifically, referring to fig. 1 and 2, the refrigerator of the present embodiment includes a cabinet (not shown in the drawings) having a storage compartment with a first opening, a first door 100 provided on a first opening cover, and a box 200 rotatably connected to one side of the first door 100, wherein the first door 100 can open or close the storage compartment. The box body 200 is in a square structure, and the box body 200 can be made of heat insulation materials so as to be used for blocking heat in the box body 200 from being emitted into the storage chamber. The box body 200 is connected with the first door body 100, and the box body 200 can be connected with the first door body 100 in a detachable mode, when the first door body 100 is in a closed state, the box body 200 is located in a storage chamber of the refrigerator, the box body 200 is located on the upper portion of the storage chamber, the heating assembly 300 is arranged in the box body 200, and the heating assembly 300 is used for improving the temperature in the box body 200 and achieving a temperature changing effect. It should be noted that the storage chamber may be a refrigerating chamber, a temperature changing chamber or a freezing chamber of the refrigerator. It is understood that when the storage compartment is a refrigerating compartment, the case 200 may be provided at an upper portion of the first door 100.

When the refrigerator of this embodiment is in use, because the cold air density in the storing room is big, cold air is easy to sink, gathers in the lower part position in the storing room for the temperature in the upper position in the storing room is higher, and after first door body 100 was closed, box body 200 was located the upper portion in the storing room of refrigerator, is favorable to the temperature in the box body 200 to rise, has fully utilized the heat of this position department, can reduce the input power of heating element 300, and is more energy-conserving, still alleviateed the heat exchange of box body 200 and storing room simultaneously.

It will be appreciated that the box 200 is configured as a sealed box, and is not communicated with the storage chamber, and may be configured with a door to open or close the box 200, and a spoiler (not shown in the drawing) is disposed in the box 200, where the spoiler is used to enhance airflow disturbance in the box 200, so that airflow in the box 200 can circulate, temperature distribution in the box 200 is more uniform, and temperature change effect is improved. The turbulent flow device can comprise a plurality of blades, the blades are driven to rotate by the rotation driving device, and the blades can drive airflow in the box body to flow when rotating, or the turbulent flow device comprises an impeller, and the impeller can stir air to move, so that the turbulent flow effect can be achieved.

Referring to fig. 2, it may be understood that the heating assembly 300 is located inside the case 200, and the heating assembly 300 is disposed on one side of the case 200 near the first door 100, so that the heating assembly 300 is far away from the storage chamber, and the heat of the heating assembly 300 is reduced from being conducted into the storage chamber, thereby reducing the influence on the temperature in the storage chamber and ensuring the refrigerating effect. Specifically, the heating assembly 300 may be configured as a heating wire, the heating wire is buried in the inner wall of the box body 200, and the circuit of the heating assembly 300 is also buried in the inner wall of the box body 200, so as to ensure the reliability and safety of electricity consumption. In addition, the heater strip is arranged on one side of the box body 200 close to the first door body 100, compared with the bottom wall position of the box body 200, the area of the box body 200 close to the side wall of the first door body 100 is larger, the heat dissipation area of the heating assembly 300 is improved, the heating effect is enhanced, the heater strip can be more uniformly arranged on the side wall of the box body 200, and the heating is also more uniform. The heating unit 300 may be provided as a heating film, or the heating unit 300 may be provided as an infrared heater, and may be capable of realizing a heating function.

It may be appreciated that the turbulence device is configured as a fan, the fan may be disposed along a vertical direction, the air flow blown by the fan flows along the vertical direction, and the air flow blown by the fan flows along the surface of the heating assembly 300, so that the heat of the heating assembly 300 may be taken away, so that the heat of the heating assembly 300 is uniformly dispersed into the box 200.

Referring to fig. 5, it can be understood that the case 200 has a first installation cavity 210 and a storage cavity 220, the first installation cavity 210 and the storage cavity 220 are two independent cavities, the first installation cavity 210 is used for installing a turbulence device, the storage cavity 220 is used for storing objects, the volume of the first installation cavity 210 is smaller than that of the storage cavity 220, and the case 200 is provided with a vent hole communicating the first installation cavity 210 and the storage cavity 220. It should be noted that two ventilation openings may be provided to ensure that the air suction and air outlet of the turbulence device are smooth. Specifically, referring to fig. 5, the box 200 is provided with a first ventilation opening 240 and a second ventilation opening 250, the first installation cavity 210 is communicated with the storage cavity 220 through the first ventilation opening 240 and the second ventilation opening 250, in this embodiment, the turbulence device is set as a fan, the turbulence device may be set at the first ventilation opening 240 or the second ventilation opening 250, the air outlet side of the turbulence device is set corresponding to the ventilation opening, and the air flow in the box 200 circulates between the first installation cavity 210 and the storage cavity 220. Taking the case that the spoiler is disposed at the first ventilation opening 240 as an example, the air outlet side of the spoiler is disposed towards the first ventilation opening 240, the spoiler blows the air flow in the first installation cavity 210 into the storage cavity 220, and then the air flow in the storage cavity 220 can enter the first installation cavity 210 through the second ventilation opening 250 to form an air flow circulation.

It will be appreciated that a baffle may be disposed in the box 200, where the baffle is disposed horizontally, or where the baffle is disposed vertically, where the baffle divides the cavity in the box 200 into the first installation cavity 210 and the storage cavity 220, and the ventilation opening is disposed on the baffle.

It should be understood that the first ventilation opening 240 and the second ventilation opening 250 may be provided with a plurality of ventilation openings, the turbulence device may be disposed at any ventilation opening, and the turbulence device may also be provided with a plurality of turbulence devices and a plurality of ventilation openings are disposed in one-to-one correspondence, and it should be noted that in this embodiment, at least one ventilation opening should be left for air return, so that the air flow in the storage cavity 220 may enter the first installation cavity 210 through the ventilation opening.

Referring to fig. 5, it can be understood that, in the above embodiment, the first installation cavity 210 is located above the storage cavity 220, because the temperature in the upper portion of the storage cavity is higher, the temperature in the first installation cavity 210 is greater than the temperature in the storage cavity 220, and the air outlet side of the air flow disturbing device is set towards the first air vent 240 by taking the arrangement of the air flow disturbing device at the first air vent 240 as an example, the air flow blown by the air flow disturbing device flows downwards, the air flow disturbing device brings the heat in the first installation cavity 210 into the storage cavity 220 to achieve the effect of fully utilizing the heat, so that the energy is saved.

Referring to fig. 5, it can be understood that, for the above embodiment, the case 200 includes a main body and a first side plate 260, the main body is in a frame structure, the storage cavity 220 is disposed in the main body, the first side plate 260 is located outside the main body, specifically, the first side plate 260 is located at the top of the case 200, the first side plate 260 is horizontally disposed, the first side plate 260 is detachably connected with the case 200, and the first mounting cavity 210 is formed between the first side plate 260 and the case 200. The first installation cavity 210 is used for installing the spoiler, the first side plate 260 seals the first installation cavity 210 to obstruct the air flow in the first installation cavity 210 from flowing into the storage chamber, and when the spoiler and the circuit thereof are maintained, the first side plate 260 is directly disassembled, so that maintenance operation can be performed on the spoiler, the operation is more convenient, and the space of the box body 200 can be fully utilized.

Referring to fig. 9, it can be understood that the tray 400 is disposed in the case 200, the tray 400 is disposed in the storage chamber 220, the tray 400 is in a plate structure, the tray 400 is horizontally disposed, and the top of the tray 400 is used for placing articles, but the tray 400 blocks the air flow in the case 200 due to the large area of the tray 400, which is not beneficial to the air circulation, resulting in uneven temperature in the case 200. Based on this, the present embodiment further defines that the bracket 400 is provided with the through hole 410, and the through hole 410 is used for circulating the air flow in the box 200, so that the circulation performance can be enhanced, and the air flow circulation effect can be improved. It is understood that the plurality of through holes 410 may be provided, so that the flow of the air flow is further enhanced, and meanwhile, the material and cost of the bracket 400 are saved.

Referring to fig. 9 and 10, it can be appreciated that a bracket 400 is provided in the case 200, a supporting portion 2300 is provided on an inner sidewall of the case 200, the supporting portion 2300 may be integrally formed with the case 200, the supporting portion 2300 may be in a bar-shaped structure, the supporting portion 2300 is disposed along a horizontal direction, and the bracket 400 is placed on the supporting portion 2300. It can be appreciated that the supporting portion 2300 may be provided in plurality, and the plurality of supporting portions 2300 may be disposed along the height direction of the case 200, so that the bracket 400 may be disposed on different supporting portions 2300, thereby achieving the effect of adjusting the height, and being more flexible to use.

Referring to fig. 10, it can be understood that, in the above embodiment, the two sides of the bracket 400 are provided with the protruding portions 420, the supporting portion 2300 is provided with the notch 2310, when the bracket 400 is placed on the supporting portion 2300, the protruding portions 420 can cooperate with the notch 2310 to perform a limiting function, and when an article on the bracket 400 is taken out, the bracket 400 is not driven to move together. It can be appreciated that the protruding portion 420 can be tightly matched with the notch 2310, that is, the protruding portion 420 is clamped in the notch 2310, so as to enhance the fixing effect of the bracket 400, or the protruding portion 420 can have a certain gap with the notch 2310, so that the protruding portion 420 can be easily separated from the notch 2310, and the operation is convenient when the bracket 400 is assembled and disassembled, and the bracket can be flexibly configured according to the actual use requirement.

Referring to fig. 2, it may be understood that the case 200 has a second opening, the second opening is located at a side of the case 200 facing away from the first door 100, a second door 500 is provided on a second opening cover of the case 200, one side of the second door 500 is rotatably connected to the case 200, the second door 500 is provided with a sealing strip 510, the sealing strip 510 is disposed along a circumference of the second opening of the case 200, and when the second door 500 is in a closed state, the sealing strip 510 is located between the second door 500 and the case 200, the case 200 may seal an inner space of the case 200 to achieve a sealing effect, and prevent hot air flow in the case 200 from entering the storage chamber, thereby reducing heat exchange between the case 200 and the storage chamber. It will be appreciated that the second door 500 is made of a transparent material, which may facilitate viewing of the contents of the case 200 without opening the second door 500.

Referring to fig. 11 and 12, it can be appreciated that the second door 500 is provided with a grip portion 530, the grip portion 530 may have a bar-shaped structure, the grip portion 530 is located at a side portion of the second door 500, the grip portion 530 is disposed along a vertical direction, and when in use, the grip portion 530 can be directly pulled by hand, so that it is convenient to open the second door 500. It is understood that the grip 530 may be provided in a handle-like structure, and the grip 530 is located at the front side of the second door 500, i.e., the grip 530 is located at the side of the second door 500 facing the user.

Referring to fig. 2 to 4, it may be understood that the second door 500 is provided with a first clamping member 520, the case 200 is provided with a second clamping member 2200, the second clamping member 2200 is buried in a mounting groove of the case 200, and the first clamping member 520 may be clamped with the second clamping member 2200, so that the second door 500 may secure a closed state, and seal the case 200. The first clamping member 520 can be separated from the second clamping member 2200, and when the second door 500 is opened, the second door 500 can be opened only by slightly pulling the second door, so that the use is more convenient. The present utility model is not limited thereto, and the second door 500 may be provided with a locking structure, and the cartridge 200 may be provided with a locking groove 2100, or the second door 500 and the cartridge 200 may be opened or closed by magnetic attraction.

It can be appreciated that the box body 200 is provided with a control module, the control module is electrically connected with the heating assembly 300, and is used for controlling the temperature of the heating assembly 300, specifically, referring to fig. 6, the control module further comprises a display control board 600 and a temperature sensor, the temperature sensor is used for detecting the temperature in the box body 200, the display control board 600 is arranged at the lower part of the box body 200, the display control board 600 is located in the box body 200, the display control board 600 is a touchable interactive display panel, the heating power of the heating assembly 300 can be changed through interaction with the display control board 600, so that the temperature in the box body 200 is changed, the use is more flexible, the display control board 600 can also display the temperature in the box body 200, and the effect of real-time monitoring is achieved, and when the second door body 500 is provided as a transparent member, the display control board 600 can be conveniently observed.

Referring to fig. 6, it can be understood that the case 200 includes a main body and a second side plate 280, the second side plate 280 is located outside the main body, the second side plate 280 is located at the bottom of the main body, the second side plate 280 is detachably connected with the main body, the second side plate 280 is horizontally disposed, a second installation cavity 230 is formed between the second side plate 280 and the main body, the second installation cavity 230 is used for installing the control module, the assembly is convenient, and when the control module is maintained, the second side plate 280 is directly detached, and the maintenance operation is convenient. It will be appreciated that, in the above embodiment, the first mounting cavity 210 is located at the top of the case 200, so that the heat at the upper position of the storage chamber is fully utilized, the second mounting cavity 230 is located at the bottom of the case 200, and the first mounting cavity 210 and the second mounting cavity 230 cooperate to fully utilize the space of the case 200.

It can be appreciated that the box body 200 is provided with an insulating layer, the insulating layer can be a foam layer, a foam layer or a silica aerogel felt layer, the insulating layer can be arranged in the box body 200 or outside the box body 200, the insulating layer is used for blocking heat in the box body 200 from being emitted into the storage room, a circuit of an electrical element in the box body 200 is buried in the insulating layer, the electrical element in the box body 200 specifically refers to components such as a control module and a turbulent flow device in the embodiment, the circuit of the electrical element can be prevented from being exposed outside, a certain waterproof effect is achieved, the reliability and the safety of electricity consumption are guaranteed, and the space distribution is reasonable.

Referring to fig. 8, it may be understood that the case 200 includes a main body and a third side plate 270, the third side plate 270 is located at the outside of the main body, the third side plate 270 is vertically disposed, the third side plate 270 is detachably connected with the case 200, the heat insulation layer is located in a cavity between the third side plate 270 and the case 200, and the third side plate 270 shields the heat insulation layer from being exposed. In addition, when the line is overhauled, the third side plate 270 is only required to be disassembled, so that the maintenance operation is convenient.

It can be appreciated that two third side plates 270 may be provided, and two third side plates 270 may be located at the left and right sides of the box 200, that is, the heat insulation layer is located at the left and right sides of the box 200, so that the space of the box 200 can be fully utilized.

Referring to fig. 5, 6 and 8, for the above-described embodiments, it can be appreciated that the first side plate 260, the third side plate 270 and the second side plate 280 are located around the outside of the case 200, and the space of the case 200 can be further fully utilized.

Referring to fig. 7, for the above embodiment, it can be understood that the first side plate 260, the third side plate 270, and the second side plate 280 may be provided with a clamping portion 290, the box body 200 is provided with a clamping groove 2100, and the clamping portion 290 is matched with the clamping groove 2100, so as to realize detachable connection of the first side plate 260, the third side plate 270, and the second side plate 280 with the box body 200, and the first side plate 260, the third side plate 270, and the second side plate 280 may be made of plastic, have a certain elasticity, may be bent to a certain extent, and are convenient to detach. The detachable connection may be realized by means of screws, bolts, rivets, etc. without being limited thereto.

Referring to fig. 5, it may be understood that the back of the box 200 is provided with a power supply interface structure 700, that is, a side of the box 200 near the first door 100 is provided with the power supply interface structure 700, and the power supply interface structure 700 is used for plugging with a connection terminal of the control module to realize power supply communication.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A refrigerator, comprising:

the box body is provided with a storage chamber, and the storage chamber is provided with an opening;

the door body is covered on the opening;

the box body is internally provided with a heating component, the box body is arranged on the door body, when the door body is in a closed state, the box body is positioned in the storage chamber, and the box body is positioned on the upper part of the storage chamber.

2. The refrigerator of claim 1, wherein the heating assembly is located on a side of the cabinet adjacent to the door.

3. The refrigerator of claim 1, wherein a spoiler is provided in the case.

4. The refrigerator of claim 3, wherein the box body is provided with a first installation cavity and a storage cavity, the turbulence device is installed in the first installation cavity, and the box body is provided with a vent communicated with the first installation cavity and the storage cavity.

5. The refrigerator of claim 4, wherein the case includes a main body and a first side plate, the storage chamber is provided in the main body, the first side plate is provided outside the main body, the first side plate is detachably connected to the main body, and the first installation chamber is formed between the first side plate and the main body.

6. The refrigerator of claim 3, wherein a control module is disposed in the box body, the control module is electrically connected with the turbulence device, the box body includes a main body and a second side plate, the second side plate is located outside the main body, the second side plate is detachably connected with the main body, a second installation cavity is formed between the second side plate and the main body, and the control module is installed in the second installation cavity.

7. The refrigerator of claim 1, wherein a bracket is provided in the case, and the bracket is provided with a through hole for circulating an air flow in the case.

8. The refrigerator of claim 1, wherein a bracket is provided in the case, a support is provided in the case, and the bracket is placed on the support.

9. The refrigerator of claim 8, wherein the bracket is provided with a protrusion, the support is provided with a notch, and the protrusion is engaged with the notch.

10. The refrigerator according to any one of claims 1 to 9, wherein the case is provided with a heat insulating layer, and the wiring of the electrical components in the case is provided in the heat insulating layer.