CN217090159U - Self-heating drawer type thermal insulation cabinet - Google Patents

Abstract

The utility model belongs to the technical field of heat preservation cabinets, and discloses a self-heating drawer type heat preservation cabinet, which comprises a cabinet body, wherein at least one heat preservation bin is arranged in the cabinet body, a plurality of heat preservation layers which are communicated with each other are arranged in the heat preservation bin, each heat preservation layer is provided with a plurality of heat preservation grids, heat preservation drawers which can store objects are matched in the heat preservation grids in a sliding way, the heat preservation bin is provided with a taking and placing side which corresponds to the heat preservation drawers, and the taking and placing side is provided with at least two first bin doors which can cover all the heat preservation grids of the heat preservation bin together; each heat-insulating layer is provided with a heating plate. The utility model discloses a dividing the heat preservation storehouse into the cabinet body structure who uses the heat preservation check to keep warm unit and cooperate a plurality of door, can enough make the access more accurate, independent, convenient, also can improve the heat preservation quality at the thermal loss that reduces of access in-process bigger degree to set a heated board through every heat preservation, can make every heat preservation keep warm more even.

Description

Self-heating drawer type thermal insulation cabinet

Technical Field

The utility model belongs to the technical field of the thermal cabinet, concretely relates to self-heating drawer type thermal cabinet.

Background

The existing thermal insulation cabinet comprises a PTC hot air circulation heating display cabinet, a hot drink cabinet, an electric heating pipe thermal insulation cabinet and a steam thermal insulation cabinet.

And the devices cannot move and can not be separated from a 220V indoor electric socket. The PTC heating mode cannot start the heating fan by the combination of the battery pack and the inverter when the starting voltage is too high. The electric heating pipe of the thermal insulation cabinet is only arranged at the bottom of the cabinet body, so that the uppermost space of the cabinet body is required to reach the ideal temperature, the electric heating pipe needs to keep higher temperature and supplies heat to the thermal insulation cabinet through heat conduction, and due to the particularity, the temperature of the uppermost layer and the temperature of the lowermost layer of the thermal insulation cabinet are different, so that the problem of difference of stored products is caused; the steam heat preservation cabinet can continuously condense dew on products and a cabinet body in the heat preservation process, the heat preservation cabinet is only suitable for heat preservation of sealed products, and the heat preservation cabinet cannot be easily moved due to the fact that the heat preservation cabinet is provided with the large heating water tank, and the heating water tank occupies too much heat preservation cabin space.

The structure of all the devices is a refrigerator type design, only one door plate is designed in an independent large space, and when products are frequently placed or taken out, the opened and closed door causes a large amount of heat loss, so that the heating and heat-insulating quality is reduced, and the power consumption is also increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pair of self-heating drawer type thermal cabinet, the reduction that can the bigger degree is at access in-process thermal loss to can make the internal more even heating that can obtain of cabinet, improve the heat preservation quality.

In order to realize the purpose, the utility model adopts the following technical scheme:

a self-heating drawer type heat preservation cabinet comprises a cabinet body, wherein at least one heat preservation bin is arranged in the cabinet body, a plurality of heat preservation layers which are mutually communicated are arranged in the heat preservation bin, each heat preservation layer is provided with a plurality of heat preservation grids, heat preservation drawers capable of storing objects are matched in the heat preservation grids in a sliding mode, each heat preservation bin is provided with a taking and placing side corresponding to the corresponding heat preservation drawer, and at least two first bin doors capable of covering all the heat preservation grids of the heat preservation bin together are arranged on the taking and placing sides;

each heat-insulating layer is provided with a heating plate.

In a possible implementation, the heating plate comprises two heat-conducting plates and a heating wire coiled between the two heat-conducting plates.

In a possible implementation mode, a containing bin is further arranged in the cabinet body, a rechargeable battery module is arranged in the containing bin, the battery module is connected with a controller through an inverter, and the controller is connected with each heating plate respectively.

In a possible implementation manner, the cabinet body comprises an inner container framework which forms the heat preservation bin;

the inner container framework comprises at least two parallel vertical well-shaped grid plates, and the at least two vertical well-shaped grid plates are mutually spaced and connected through a plurality of connecting rods to form the inner container framework; each lattice on the two adjacent vertical well-shaped lattice plates is connected through a first sliding rail, the heat-insulating lattices which are respectively positioned on the two adjacent vertical well-shaped lattice plates are communicated, the number of the heat-insulating lattices is consistent with that of the lattices on the vertical well-shaped lattice plates, and the heat-insulating lattices in the transverse direction form one heat-insulating layer;

the heat preservation drawer is in sliding fit with the first sliding rail in the heat preservation grid.

In a possible implementation manner, the bottom of each heat-insulating layer is provided with a second slide rail, the second slide rails are arranged in a direction perpendicular to the first slide rails, the heating plate is matched on the second slide rails in a sliding manner, and the heating plate is detachable on the second slide rails and is used for heating the heat-insulating layer;

one side of the heat preservation cabin perpendicular to the second slide rail is a dismounting side, and a second cabin door for dismounting the heating plate is arranged on the dismounting side.

In a possible implementation manner, the number of the vertical well-shaped plates is three, and the length of the heat-preservation drawer is greater than or equal to the sum of the distances among the three vertical well-shaped plates and is smaller than the width of the interior of the heat-preservation bin.

In a possible implementation mode, the back side of the heat preservation cabin is an overhaul side, and a third cabin door is arranged on the overhaul side.

In a possible implementation mode, the two heat preservation chambers are symmetrical to each other.

In a possible implementation mode, the first bin door, the second bin door and the third bin door are all connected with the liner framework in a sealing mode through sealing strips.

In a possible implementation mode, the cabinet body further comprises an outer framework and a surrounding plate which covers the outer side of the outer framework, the outer framework is provided with an upper installation part and a lower installation part, the inner container framework is arranged in the upper installation part, a containing bin is formed in the lower installation part, and the surrounding plate is provided with a fourth bin door corresponding to the containing bin.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a spontaneous heating drawer type thermal cabinet, through dividing the storehouse that keeps warm into the cabinet body structure who uses the heat preservation check as a heat preservation unit and cooperate a plurality of door, can enough make the access more accurate, independent, it is convenient, also can be at the thermal loss of reduction of access in-process bigger degree, improve the heat preservation quality, reduce power consumption, and set a heated board through every heat preservation, can make every heat preservation keep warm more even, and the heat preservation of mutual intercommunication can reach the heat preservation in the storehouse can be maintained to the board that generates heat of accessible one or less when the heat preservation reaches the certain degree, the reduction of bigger degree of power consumption.

Moreover, through the configuration of the battery pack, the heat preservation cabinet can be separated from the direct-plug power supply, so that the heat preservation cabinet is convenient to move, and is more flexible and practical.

In addition, the board that generates heat of every heat preservation of thermal cabinet all can be dismantled to the correspondence is provided with the dismouting side, in the dismouting side alright generate heat the dismouting of board, change or the maintenance, and more convenient, and through the maintenance side that sets up, also can be so that overhaul relevant electrical apparatus part and the connecting wire of the board that generates heat, improved the practicality greatly.

Drawings

Fig. 1 is a schematic perspective view of a self-heating drawer type thermal insulation cabinet according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a heating plate of the self-heating drawer type thermal insulation cabinet according to the embodiment of the present application;

FIG. 3 is a schematic view illustrating a connection principle of a heating plate of the self-heating drawer type thermal insulation cabinet according to the embodiment of the present application;

FIG. 4 is a schematic perspective view of an inner container framework of a self-heating drawer type thermal insulation cabinet according to an embodiment of the present application;

FIG. 5 is a side view of the liner framework of the self-heating drawer type thermal insulation cabinet according to the embodiment of the present application when a first slide rail is installed;

FIG. 6 is a schematic view of an outer frame of a self-heating drawer-type thermal insulation cabinet according to an embodiment of the present application;

fig. 7 is a schematic perspective view of a thermal insulation drawer of a self-heating drawer type thermal insulation cabinet according to an embodiment of the present application.

In the figure: 1-a heat preservation bin; 11-heat preservation grid; 12-a heat preservation drawer; 121-drawer box body; 122-drawer cabinet panel; 123-a heat insulation plate; 124-drawer panel; 125-drawer pull; 13-inner container framework; 131-a vertical grid plate; 132-a connecting rod; 14-a first slide rail; 15-a second slide rail; 2-a first bin gate; 3-a holding bin; 4-a fourth bin gate; 5-a second bin gate; 6-a heating plate; 61-aluminum plate; 62-silicone rubber waterproof heating wire; 7-exo-skeleton; 71-an upper mounting portion; 72-a lower mounting portion; 8-a power supply control system; 81-a battery charger; 82-a battery assembly; 83-a plug-in device; 84-an inverter; 85-intelligent temperature controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, an embodiment of the present application provides a self-heating drawer type thermal insulation cabinet, which includes a cabinet body, at least one thermal insulation bin 1 is disposed in the cabinet body, a plurality of thermal insulation layers are disposed in the thermal insulation bin 1, the thermal insulation layers are communicated with each other, the thermal insulation layers have a plurality of thermal insulation grids 11, and a thermal insulation drawer 12 capable of storing articles is slidably fitted in the thermal insulation grids 11.

The heat preservation bin 1 is used as a main heat preservation area of the heat preservation cabinet and can be provided with one or more heat preservation grids 11, the heat preservation bin 1 is composed of a plurality of heat preservation grids 11, the heat preservation grids 11 are uniformly distributed in an array and can be described in layers, the heat preservation drawer 12 is arranged in each heat preservation grid 11, the storage and the taking can be more conveniently carried out, and the heat lost when a single article is stored and taken is little; through the heat insulation structure, the stored articles can be separated and independent from each other, the storage and the taking are more accurate, and the storage and the taking of each heat insulation grid 11 have small heat loss to the whole heat insulation bin 1, so that the heat insulation quality can be improved, and the power consumption can be reduced; moreover, the mutually communicated heat preservation layers can maintain the heat preservation in the bin through one or less heating plates 6 when the heat preservation reaches a certain degree, and the electricity consumption is reduced to a greater extent.

The heat preservation cabin 1 is provided with a taking and placing side corresponding to the heat preservation drawer 12, and the taking and placing side is provided with at least two first cabin doors 2 which can cover all heat preservation grids 11 of the heat preservation cabin 1 together; each heat-insulating layer is provided with a heat-insulating plate 6. The side of getting in heat preservation storehouse 1 is used for the user to get from this side and puts, and set up two at least first door 2 in heat preservation storehouse 1, it also can set up a plurality ofly, first door 2 through setting up quantity requirement like this, only need open the door that corresponds when the access can, and need not open the first door 2 of other positions, like this alright through the further reduction of the door of more quantity thermal loss when the access, improve heat preservation quality and reduce the power consumption, and cooperate such insulation construction of heat preservation check 11, can make thermal loss fall to minimumly, more environmental protection, the effectual energy consumption that has reduced.

Referring to fig. 2, in an embodiment of the present application, the heat generating plate 6 may include two heat conductive plates and a heating wire coiled between the two heat conductive plates.

Two heat-conducting plates are used for the installation and the heat conduction of heater wire, and the heating drum is established between two heat-conducting plates, like this alright constitute the board 6 that generates heat to heat the in-situ air of heat preservation through the board 6 that generates heat, and then can make and obtain the heating in the heat preservation.

Specifically, the heat conducting plate is an aluminum plate 61, and the heating wire is a silicone rubber waterproof heating wire 62. The heating wire can resist high temperature and has good waterproof performance. The heating plate 6 can uniformly dissipate heat, is safe to use, has low power consumption, is fixed and compact, ensures the moving safety, has low starting and holding voltage and is stable, and is suitable for being used for supplying power to a battery compartment.

In order to facilitate the self-powered and mobile heat preservation cabinet, in an embodiment, please refer to fig. 3, a containing bin 3 is further disposed in the cabinet, a rechargeable battery module 82 is disposed in the containing bin 3, the battery module 82 is connected to a controller through an inverter 84, and the controller is respectively connected to each of the heat generating plates 6.

The accommodating bin 3 is mainly used for accommodating a battery assembly 82, the battery assembly 82 can be charged and used for supplying power to electric components such as the heating plate 6 and the like, and therefore the heat preservation cabinet is not limited by a direct-plug power supply and is convenient to move; specifically, the controller can adopt the existing intelligent temperature controller 85, current is output to the inverter 84 through the battery assembly 82, 220V current is provided for the intelligent temperature controller 85 by the high-power inverter 84, and the intelligent temperature controller 85 detects the temperature in the heat preservation cabinet, so that whether the heating plate 6 is started or not is determined, and the temperature can be controlled to be 40-100 ℃; of course, the controller can also adopt the existing intelligent controller and cooperate with the temperature sensor to detect the temperature in the cabin, so that the temperature in the cabin can be automatically controlled conveniently.

When the intelligent temperature controller 85 or the intelligent controller is arranged, the heat preservation state in the bin can be maintained only by continuously operating the heating plate 6 after the temperature in the bin is heated to the heat preservation temperature, so that the power consumption of other plates can be reduced, and the energy consumption is reduced.

In one connection structure, the intelligent temperature controller 85, the inverter 84, the battery charger 81 and the battery pack 82 form a power supply control system 8; the lead of the heating plate 6 is connected with the output interface of the intelligent temperature controller 85 through the plug-in device 83, the input interface of the intelligent temperature controller 85 is connected with two power supply branches in parallel through the two plug-in devices 83, one power supply branch is sequentially provided with a battery charger 81, a battery assembly 82 and an inverter 84, and the other power supply branch is a branch for connecting commercial power; such a connection structure has the following three use states:

when the 220V mains supply is connected, the intelligent temperature controller 85 is directly connected with the mains supply to heat the heating plate 6, and the battery assembly 82 is not used for power supply; when the 220V mains supply is connected, the charger is connected with the mains supply to charge the battery assembly 82; when the 220V mains is connected, the battery pack 82 cannot supply power to the heating plate 6 at the same time when the charger charges the battery.

Referring to fig. 1, 4 and 5, in the embodiment of the present application, the cabinet includes an inner container framework 13 forming the heat preservation chamber 1; the liner framework 13 comprises at least two parallel vertical well plates 131, and the at least two vertical well plates 131 are mutually spaced and connected through a plurality of connecting rods 132 to form the liner framework 13; each grid on two adjacent vertical well-shaped grids 131 is connected through a first sliding rail 14, the heat-preservation grids 11 which are respectively positioned on two grids of the two adjacent vertical well-shaped grids 131 are formed, the number of the heat-preservation grids 11 is consistent with that of the grids of the vertical well-shaped grids 131, and the heat-preservation grids 11 in the transverse direction form a heat-preservation layer; the heat preservation drawer 12 is in sliding fit with a first sliding rail 14 in the heat preservation grid 11.

Wherein, inner bag skeleton 13 is as mainly constituting the component part in heat preservation storehouse 1, and it mainly comprises two at least # -shaped check risers 131, and adjacent # -shaped check risers 131 connect through the connecting rod 132 in four corners again, and the quantity that sets up of # -shaped check risers 131 can select to set up according to actual demand, if set up to three, heat preservation drawer 12 advances the degree of depth and with the grow, just so can increase its storage capacity. For the heat preservation drawer 12, the first slide rail 14 arranged between the vertical grid plates 131 is used for mounting, and structures such as baffles are not arranged in front of the vertical grid plates 131, so that the connectivity of each heat preservation partition plate is stronger, and the heat preservation is more uniform. The vertical plates 131 of the cross-shaped grids of the inner container framework 13 are arranged in parallel along an arrangement direction and are aligned with each other, and the grids of each inner container framework 13 are also aligned, so that the heat preservation grids 11 can be formed conveniently.

Thus, the inner container framework 13 of the framework structure is matched with the first slide rail 14 again, the heat preservation grid 11 can be formed, the heat preservation drawer 12 can be installed in the heat preservation grid 11, the internal connectivity of the structure is larger, the heat preservation performance can be better, the heat preservation is more uniform, the problem of non-uniform heat preservation is avoided, and meanwhile, the heat loss during the storage and taking can be greatly reduced through the layer and the grid structure.

Further, as shown in fig. 5, in order to facilitate the installation and detachment of the heating plate 6, a second slide rail 15 is disposed at the bottom of each insulating layer, the second slide rail 15 is disposed in a direction perpendicular to the first slide rail 14, the heating plate 6 is slidably fitted on the second slide rail 15, and the heating plate 6 is detachable on the second slide rail 15 and is used for heating the insulating layer where the heating plate 6 is located; one side of the heat preservation cabin 1 perpendicular to the second slide rail 15 is a dismounting side, and a second cabin door 5 for dismounting the heating plate 6 is arranged on the dismounting side.

Thus, the heating plate 6 can be taken out and installed at the dismounting side, the second slide rail 15 can facilitate the sliding of the heating plate 6 to enable the heating plate 6 to be taken out and installed better, and the heating plate 6 can be conveniently born, so that the heating plate is more convenient. Moreover, through setting up the dismouting side, this dismouting side staggers with depositing the side, like this can be convenient for carry out the dismouting to heating plate 6, also can be abundant, reasonable utilization storehouse inner space, the design is more scientific to do not interfere with heat preservation drawer 12, it is more convenient. Of course, the thermal insulation drawer 12 is slidably fitted on the first slide rail 14, so that the height thereof is lower than the inner height of the thermal insulation grid 11.

Specifically, the number of the vertical well-shaped grid plates is three, and the length of the heat-preservation drawer 12 is greater than or equal to the sum of the distances among the three vertical well-shaped grid plates 131 and smaller than the width of the interior of the heat-preservation bin. Therefore, the heat preservation drawer 12 cannot completely occupy the inner space in the width direction of the heat preservation bin, so that the vacant spaces at the rear parts of the heat preservation grids 11 in the heat preservation bin 1 can be communicated with each other, heat flow can uniformly reach each storage grid, and the heat preservation quality is improved to a greater extent.

For example, the length of the heat preservation drawer is 120cm, the length of the liner framework is 120cm, the internal width of the heat preservation bin is 130cm, and therefore a 10cm communication space can be reserved at the rear part of the heat preservation bin.

In the embodiment of the present application, the back side of the thermal insulation cabin 1 is an access side, and a third cabin door (not shown in the figure) is arranged on the access side.

The third door arranged at the maintenance side can be convenient for maintenance of related circuits and the like, and is more convenient.

In the practical implementation process of the heat preservation bin 1, two heat preservation bins 1 are arranged and are symmetrical to each other. Accordingly, the second doors 5 are provided on the left and right sides, respectively, so that the structure can meet the requirement of thermal storage with a larger capacity.

In order to improve the sealing performance of the heat preservation cabinet, the first bin door 2, the second bin door 5 and the third bin door are all connected with the inner container framework 13 in a sealing mode through sealing strips.

Referring to fig. 1 and 6, in the embodiment of the present application, the cabinet body may further include an outer frame 7 and a surrounding plate covering the outer side of the outer frame 7, the outer frame 7 has an upper mounting portion 71 and a lower mounting portion 72, the inner container frame 13 is disposed in the upper mounting portion 71, the lower mounting portion 72 is formed with a storage bin 3, and the surrounding plate has a fourth bin door 4 corresponding to the storage bin 3.

The upper mounting part 71 formed by the outer framework 7 is used for mounting the inner container framework 13 and forms the heat preservation bin 1 together with a surrounding plate on the outer side of the outer framework 7, the lower mounting part 72 can form the accommodating bin 3 through the surrounding plate, and devices such as a battery assembly 82, an inverter 84 and the like are accommodated in the accommodating bin 3; the accommodating chamber 3 is also provided with a fourth chamber door 4, the accommodating chamber 3 can be conveniently opened through the fourth chamber door 4, and then electric devices of the battery assembly 82 in the accommodating chamber can be maintained or replaced or installed more conveniently.

The self-heating drawer type heat preservation cabinet provided by the embodiment of the application can be applied to some application scenes, such as centralized meal delivery services for places such as schools, construction sites and office buildings, and is not limited.

In other embodiments, the bottom of the cabinet body can be provided with moving wheels so as to facilitate the movement of the cabinet body, and an electric moving mechanism can be arranged so as to facilitate the movement of the cabinet body.

Referring to fig. 7, in the embodiment of the present application, the thermal insulation drawer 12 may include a drawer box 121, a drawer box panel 122, a thermal insulation board 123, a drawer panel 124, and a drawer handle 125, wherein the drawer box panel 122 is disposed at the front end of the drawer box 121, the thermal insulation board 123 is disposed on the drawer box panel 122, the drawer panel 124 is disposed on the thermal insulation board 123, and the drawer handle 125 is disposed on the drawer panel 124, such that the thermal insulation drawer 12 and the thermal insulation grid 11 are better sealed.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a self-heating drawer type thermal insulation cabinet which characterized in that: the cabinet comprises a cabinet body, wherein at least one heat preservation bin (1) is arranged in the cabinet body, a plurality of heat preservation layers which are mutually communicated are arranged in the heat preservation bin (1), each heat preservation layer is provided with a plurality of heat preservation grids (11), heat preservation drawers (12) capable of storing objects are matched in the heat preservation grids (11) in a sliding mode, the heat preservation bin (1) is provided with a taking and placing side corresponding to the heat preservation drawers (12), and the taking and placing side is provided with at least two first bin doors (2) capable of covering all the heat preservation grids (11) of the heat preservation bin (1) together;

each heat-insulating layer is provided with a heating plate (6).

2. The self-heating drawer type thermal insulation cabinet according to claim 1, characterized in that: the heating plate (6) comprises two heat-conducting plates and a heating wire coiled between the two heat-conducting plates.

3. The self-heating drawer type thermal insulation cabinet according to claim 1, characterized in that: the cabinet body is also internally provided with an accommodating bin (3), a rechargeable battery module (82) is arranged in the accommodating bin (3), the battery module (82) is connected with a controller through an inverter (84), and the controller is respectively connected with each heating plate (6).

4. The self-heating drawer type thermal insulation cabinet according to any one of claims 1 to 3, characterized in that: the cabinet body comprises an inner container framework (13) which forms the heat preservation bin (1);

the liner framework (13) comprises at least two parallel vertical well plates (131), and the at least two vertical well plates (131) are mutually spaced and connected through a plurality of connecting rods (132) to form the liner framework (13); each grid on two adjacent vertical well-shaped grid plates (131) is connected through a first sliding rail (14) to form the heat-insulating grids (11) which are respectively positioned on two grids of the two adjacent vertical well-shaped grid plates (131), the number of the heat-insulating grids (11) is consistent with that of the grids of the vertical well-shaped grid plates (131), and the heat-insulating grids (11) in the transverse direction form one heat-insulating layer;

the heat preservation drawer (12) is in sliding fit with a first sliding rail (14) in the heat preservation grid (11).

5. The self-heating drawer type thermal insulation cabinet according to claim 4, characterized in that: the bottom of each heat-insulating layer is provided with a second slide rail (15), the second slide rails (15) are arranged in a direction perpendicular to the first slide rails (14), the heating plates (6) are matched on the second slide rails (15) in a sliding manner, and the heating plates (6) are detachable on the second slide rails (15) and used for heating the heat-insulating layer;

one side of the heat preservation cabin (1) perpendicular to the second sliding rail (15) is a dismounting side, and a second cabin door (5) for dismounting the heating plate (6) is arranged on the dismounting side.

6. The self-heating drawer type thermal insulation cabinet according to claim 5, characterized in that: the number of the vertical well-shaped plates (131) is three, and the length of the heat-preservation drawer (12) is greater than or equal to the sum of the distances among the three vertical well-shaped plates (131) and smaller than the width of the interior of the heat-preservation bin.

7. The self-heating drawer type thermal insulation cabinet according to claim 6, characterized in that: the dorsal part of heat preservation storehouse (1) is the maintenance side, is equipped with the third door at the maintenance side.

8. The self-heating drawer type thermal insulation cabinet according to claim 7, characterized in that: the heat preservation bin (1) is provided with two heat preservation bins which are symmetrical to each other.

9. The self-heating drawer type thermal insulation cabinet according to claim 8, characterized in that: the first bin door (2), the second bin door (5) and the third bin door are all connected with the inner container framework (13) in a sealing mode through sealing strips.

10. The self-heating drawer type thermal insulation cabinet according to claim 4, characterized in that: the cabinet body still includes exoskeleton (7) and covers the bounding wall of locating the exoskeleton (7) outside, and exoskeleton (7) have last installation department (71) and installation department (72) down to set up in last installation department (71) inner bag skeleton (13) are constituted in installation department (72) down and are held storehouse (3), and the bounding wall has fourth door (4) that correspond and hold storehouse (3).

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