WO2020103178A1

WO2020103178A1 - Refrigerating-heating cycle expandable heat preserving table having smart air filtration function

Info

Publication number: WO2020103178A1
Application number: PCT/CN2018/118218
Authority: WO
Inventors: 曾昭孟
Original assignee: 曾昭孟
Priority date: 2018-11-19
Filing date: 2018-11-29
Publication date: 2020-05-28
Also published as: CN109463905A; US20200158424A1

Abstract

A refrigerating-heating cycle expandable heat preserving table having an air filtration function, the table comprising a support frame (1), a refrigerating mechanism (2), an expandable heat preserving table board (3) and an air filtration mechanism (4); the refrigerating mechanism (2) comprises a heat preserving box body (21), a storage box (22), a first air pump (25) and a heat conductor (27); the expandable heat preserving table board (3) is provided thereon with a heat-equalizing plate (35) and a control panel (33); and the air filtration mechanism (4) comprises a second air pump (41), a solid-state filter tank (42), a liquid-state filter tank (43), a controller (44), and a storage battery (45), wherein the solid-state filter tank (42) is internally provided with an air quality sensor group (4212), an air inlet pipe (4211) and activated carbon, and the liquid-state filter tank (43) is internally provided with a float ball liquid level switch (4321), an electrically controlled hydraulic one-way valve (4311), an air outlet pipe (4313) and a tilt sensor (4312).

Description

Refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function

Technical field

The invention relates to the field of smart home equipment, in particular to a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function.

Background technique

In daily home life, the problem of cold meals due to heat dissipation has been plaguing people's dietary health, especially in cold winter or high cold areas, the problem of cold meals is more serious. In the known technology, in response to this problem, the existing technology has created some heating and heat preservation solutions, but these solutions are usually simply to set up an electric heating tray or other electric heating devices on the table. The practicality is general. In summer Or in other environments that do not require heating and insulation, the products manufactured by these technical solutions generally do not have other functions, so they can only be used as furnishings. The temperature of each part of the desktop is not uniform during heating and insulation, which not only has large power consumption, low intelligence, and single function. In addition, careless operation can easily cause electric shock or fire. Therefore, it is necessary to design a heat preservation table with high intelligence, safety and reliability, diverse functions and strong practicability.

Summary of the invention

The technical problem to be solved by the present invention is: In order to overcome the above-mentioned problems, a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function is provided, which has reasonable structure, simple structure, convenient use, and high degree of intelligence , Safe and reliable, good thermal insulation effect, etc., effectively solve the problem of single function of the existing thermal insulation table.

The technical solution adopted by the present invention to solve its technical problems is: a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function, including a support frame with a frame structure, a refrigeration mechanism, an expandable heat preservation table board, and an air filtration mechanism, The support frame is provided with a first cavity, a second cavity and a third cavity. The first cavity, the second cavity and the third cavity are respectively provided with openings, and the first cavity, The second cavity is also provided with openings on the sides;

The refrigerating mechanism is provided in the first cavity. The refrigerating mechanism includes a thermal insulation box with a single opening, a storage box sleeved with the thermal insulation box and slidingly connected to each other, and a third fixedly arranged on the support frame. An air pump and a heat conductor; all the insulation boxes and the support frame are filled with insulation material except for the upper end surface, and the opening of the insulation box faces the side opening of the first cavity;

The heat spreader is arranged on the upper end surface of the thermal insulation box, the heat spreader includes two connecting plates arranged parallel to each other, and a plurality of fin plates arranged between the connecting plates and connected perpendicularly to each other; A connection cover communicating with the gap between the fin plates is provided. The connection covers at both ends are respectively connected to the air outlet of the first air pump and the outside of the support frame; the surface of the connection plate is provided with semiconductor cooling fins respectively, and the semiconductor cooling fins suck The hot end is set towards the side of the insulation box;

The expandable heat preservation desk board is arranged above the support frame, and a plurality of expansion boards are connected on the side of the expandable heat preservation desk board by hinges, and the bottom of the expandable heat preservation desk board is provided with a soaking plate. One end is connected to the heat release end of the semiconductor refrigeration chip; a control panel is provided above the expandable insulation table board;

The air filter mechanism is provided in the third cavity, and the air filter mechanism includes a second air pump, a solid filter tank, a liquid filter tank, a controller, and a battery that communicate with the outside through the air inlet;

The solid filter tank is divided into a fourth cavity and a fifth cavity by a filter screen. The fourth cavity is provided with an air quality sensor group and an air intake pipe connected to the air outlet of the second air pump. The fifth cavity is filled with Activated carbon; the liquid filter tank is divided into a sixth cavity and a seventh cavity communicating with the fifth cavity by a partition. The seventh cavity is provided with a float level switch and filled with distilled water with disinfectant. The sixth cavity The body is provided with an electrically controlled hydraulic one-way valve communicating with the upper end of the seventh cavity and an air outlet pipe connected with the air inlet of the first air pump. The air outlet pipe is also in communication with the outside of the support frame, and is in the sixth cavity and the seventh cavity There is a tilt sensor on the partition between.

Further, the support frame is made of mesh plate and / or solid plate material.

Further, the heat insulation box is made of at least two layers of casings sealed with each other, the cavity between the shells is evacuated, and there is no cavity between the upper shells of the heat insulation box , And along the opening of the thermal insulation box is provided with a edging made of magnetic material.

Further, the storage box is annularly provided with a sealing member matching the opening edge of the thermal insulation box. The sealing member includes a hollow sealing strip and a plurality of strip-shaped magnets disposed in the inner cavity of the hollow sealing strip.

Further, the gap between the fins is provided with an electric heating wire on the side close to the expandable thermal insulation board, and the thickness of the electric heating wire does not exceed half of the height of the fin.

Further, a number of temperature sensors are provided at the bottom of the expandable thermal insulation desk board.

Further, a plurality of storage boxes that can be drawn out from the side opening of the second cavity are provided in the second cavity by slidingly connecting with sliding rails.

Further, a pneumatic rod for support is provided between the expansion board and the support frame, and a groove for accommodating the pneumatic rod is provided on the expansion board.

Further, the controller is respectively connected with the first air pump, the semiconductor refrigeration sheet, the control panel, the second air pump, the battery, the air quality sensor group, the float level switch, the inclination sensor, the electronically controlled hydraulic check valve, and the heating wire 3. The temperature sensors are electrically connected to each other.

Further, the air quality sensor group includes a temperature and humidity sensor, a carbon dioxide sensor, a carbon monoxide sensor, a PM. Sensor, and a volatile organic compound detector.

The beneficial effects of the present invention are: a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function, including a support frame with a frame structure, a refrigeration mechanism, an expandable heat preservation table board and an air filtration mechanism, the support frame is used to support refrigeration Mechanism, expandable thermal insulation table board and air filter mechanism, at the same time surround and protect the components of the refrigerator mechanism and air filter mechanism to isolate the direct contact with the user and avoid electric shock; the refrigerator mechanism is used to refrigerate food or other items, while the refrigerator mechanism The heat dissipated can be selectively used for the heat source supply of the expandable heat preservation table board. The bottom of the expandable heat preservation table board is provided with an electric heating wire and a soaking plate connected with it, so that the table temperature is more uniform; the air filtration mechanism adopts multi-stage Filtration, sensors monitor air quality, and the controller controls the operation of various components in a unified manner. It has a high degree of intelligence; its structure is reasonable, with the advantages of simple structure, convenient use, high degree of intelligence, safety and reliability, and good thermal insulation effect. The problem of single function of the existing heat preservation table.

BRIEF DESCRIPTION

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

1 is a schematic diagram of the overall appearance of a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to the present invention;

2 is a schematic structural view of a support frame of a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to the present invention;

3 is a schematic view of the overall longitudinal cross-sectional structure of a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to the present invention;

4 is a schematic diagram of the overall transverse cross-sectional structure of a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to the present invention;

5 is a schematic view of the structure of a refrigeration mechanism of a refrigerating thermal cycle expandable heat preservation table with intelligent air filtering function according to the present invention;

6 is a schematic diagram of the connection structure of the storage box and the sealing member of the refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to the present invention;

7 is a schematic view of the structure of the heat exchanger of the refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to the present invention;

8 is a schematic view of the internal structure of a solid filter tank and a liquid filter tank of a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to the present invention.

The symbols in the drawings are described as follows: 1, support frame, 11, first cavity, 12, second cavity, 121, storage box, 122, slide rail, 13, third cavity, 2, refrigeration mechanism, 21 、 Insulation box, 22, storage box, 23, seals, 231, bar magnet, 232, hollow sealing strip, 24, insulation materials, 25, the first air pump, 26, semiconductor refrigeration sheet, 27, heat exchanger, 271, connection cover, 272, connection board, 273, fin board, 274, heating wire, 3, expandable insulation table, 31, expansion board, 311, pneumatic rod, 312, groove, 32, hinge, 33, control Panel, 34, temperature sensor, 35, soaking plate, 4, air filter mechanism, 41, second air pump, 42, solid filter tank, 421, fourth cavity, 4211, intake pipe, 4212, air quality sensor group, 422, fifth cavity, 43, liquid filter tank, 431, sixth cavity, 4311, electronically controlled hydraulic check valve, 4312, inclination sensor, 4313, outlet pipe, 432, seventh cavity, 4321, float Liquid level switch, 44, controller, 45, battery.

detailed description

The present invention will now be described in further detail with reference to the drawings. These drawings are simplified schematic diagrams and only illustrate the basic structure of the present invention in a schematic manner, so they only show the configuration related to the present invention.

As shown in Figures 1, 3, and 4, a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function includes a support frame 1 with a frame structure, a refrigeration mechanism 2, an expandable heat preservation table 3, and air filtration Agency 4.

As shown in FIG. 2, the support frame 1 is provided with a first cavity 11, a second cavity 12 and a third cavity 13, the first cavity 11, the second cavity 12 and the third cavity 13 There are upward openings on the top, and the first cavity 11 and the second cavity 12 are respectively provided with openings on the sides. The side openings of the first cavity 11 and the second cavity 12 include but are not limited to Openings on the same side.

As shown in FIGS. 3 and 5, the refrigeration mechanism 2 is provided in the first cavity 1. The refrigeration mechanism 2 includes a thermal insulation box 21 with a single opening, and the thermal insulation box 21 is sleeved and mutually The slidingly connected storage box 22, the first air pump 25 and the heat exchanger 27 fixedly arranged on the support frame 1; the other surfaces and supports of the thermal insulation box 21 except for the gap between the upper end surface and the support frame 1 The gaps between the racks 1 are filled with thermal insulation material 24, and the opening of the thermal insulation box 21 opens toward the side of the first cavity 11.

As shown in FIG. 7, the heat spreader 27 is provided on the upper end surface of the thermal insulation box 21. The heat spreader 27 includes two connecting plates 272 arranged parallel to each other, and disposed between the connecting plates 272 and perpendicular to each other Several connected fins 273; the two ends of the heat exchanger 27 are respectively provided with connecting covers 271 communicating with the gap between the fins 273, and the connecting covers 271 on both ends are respectively connected with the air outlet of the first air pump 25 and the outside of the support frame 1.

As shown in FIG. 3, the cooling plates 26 are respectively provided on the surfaces of the connecting plates 272, and the heat-absorbing ends of the semiconductor cooling plates 26 are all disposed toward the side of the thermal insulation box 21.

The heat exchanger 27 and the semiconductor cooling sheet 26 cooperate to discharge the heat energy in the heat insulation box 21 out of the heat insulation box 21 and conduct the heat energy. The first air pump 25 is used to discharge the heat energy on the heat exchanger 27 to the first cavity 11.

The expandable heat-preservation table board 3 is arranged above the support frame 1, and a plurality of expansion boards 31 are connected to the side of the expandable heat-preservation table board 3 via hinges 32, and the bottom of the expandable heat-preservation table board 3 is provided with a uniform heat Board 35, one end of the soaking plate 35 is connected to the heat release end of the semiconductor cooling sheet 26; a control panel 33 is provided above the expandable thermal insulation desk board 3;

When heating and heat preservation are required, the first air pump 25 is turned off, and with the cooperation of the heat exchanger 27 and the semiconductor refrigeration sheet 26, the heat energy conducted in the heat preservation box 21 is transmitted to the heat spreading plate 35, and then uniformly conducted to the expandable heat preservation table 3 on.

As shown in FIG. 4, the air filter mechanism 4 is disposed in the third cavity 13. The air filter mechanism 4 includes a second air pump 41 with an air inlet communicating with the outside world, a solid filter tank 42, and a liquid filter tank 43. The controller 44 and the storage battery 45; the control panel 33 is used to send a control command to the controller 44, the storage battery 45 is used for emergency power supply in the case of power failure, and the storage battery 45 is in a charged state until the power supply is normal until it is fully charged.

As shown in FIG. 8, the solid filter tank 42 is divided into a fourth cavity 421 and a fifth cavity 422 by a filter screen, and an air quality sensor group 4212 and a second air pump 41 are provided in the fourth cavity 421 The intake pipe 4211 connected to the air port is filled with a mixture or pure substance of activated carbon and zeolite for absorbing harmful substances in the air in the fifth cavity 422. The filler in the fifth cavity 422 should also be filled according to the different adsorbed substances Replace or add materials with corresponding adsorption functions. Of course, the application relationship between these adsorption materials and adsorbed substances should be known and disclosed. The air quality sensor group 4212 is used to monitor the current air quality and send monitoring data to the controller 44.

The liquid filter tank 43 is divided into a sixth cavity 431 and a seventh cavity 432 communicating with the fifth cavity 422 by a partition plate. A float level switch 4321 is provided in the seventh cavity 432 and filled with disinfectant Distilled water, distilled water with disinfectant is used to kill bacteria that the solid filter tank 42 cannot kill, and filter out fine dust that the solid filter tank 42 cannot absorb; the sixth cavity 431 is provided with a seventh cavity 432 The electrically controlled hydraulic check valve 4311 communicated at the upper end and the air outlet pipe 4313 connected to the air inlet of the first air pump 25. The air outlet pipe 4313 communicates with the outside of the support frame 1 at the same time, and between the sixth cavity 431 and the seventh cavity 432 An inclination sensor 4312 is provided on the partition between.

In an embodiment, the support frame 1 is made of mesh plate and / or solid plate material, that is, the support frame 1 is made of mesh plate or solid plate material alone, or may be made of mesh plate or solid plate material Made of mixed spliced plates.

In an embodiment shown in FIG. 5 and FIG. 6, the heat preservation box 21 is made of at least two layers of casings sealed with each other, and the cavity between the casings is subjected to vacuum treatment to Improve the thermal insulation effect, and there is no cavity between the upper shells of the thermal insulation box 21, and there is an edge made of magnetic material along the opening of the thermal insulation box 21;

The storage box 22 is annularly provided with a sealing member 23 that is matched with the opening edge of the thermal insulation box 21. The sealing member 23 includes a hollow sealing strip 232 and several strips disposed in the inner cavity of the hollow sealing strip 232 The shape magnet 231, the strip magnet 231, and the magnetic edging provided at the opening of the heat insulation box 21 attract and seal the hollow sealing strip 232 at the opening of the heat insulation box 21.

In an embodiment shown in FIG. 7, the gap between the fins 273 is provided with an auxiliary heating electric heating wire 274 on the side close to the expandable insulation table 3, and the thickness of the electric heating wire 274 does not exceed The half of the height of the fin plate 273 ensures that the gap between the fin plates 273 is sufficient for the first air pump 25 to dissipate heat for the heat exchanger 27.

In an embodiment as shown in FIG. 3, a plurality of temperature sensors 34 are provided at the bottom of the expandable heat-preservation table 3 to detect the temperature of various parts on the expandable heat-preservation table 3, and to the controller 44 Send detection information. In a possible embodiment, a pressure sensor and / or an infrared proximity sensor for detecting whether food is placed on the expandable heat-preservation table 3 is also provided at the bottom of the expandable heat-preservation table 3.

In an embodiment shown in FIG. 3, a plurality of storage boxes 121 that can be drawn out from the side opening of the second cavity 12 are slidingly connected to the second cavity 12 through a sliding rail 122. In a possible embodiment, the storage box 121 and the storage box 22 are tilted upward at the outward end, that is, the storage box 121 and the storage box 22 are disposed obliquely with respect to the horizontal plane.

In an embodiment shown in FIG. 3, a gas pressure rod 311 for supporting is provided between the expansion plate 31 and the support frame 1, and a groove for accommodating the gas pressure rod 311 is provided on the expansion plate 31 312. In a possible embodiment, the pneumatic rod 311 may be replaced by an integral rod hinged at one end to the expansion plate 31 or the support frame 1, and the other end of the rod abuts the support frame 1 or the expansion plate 31. In another possible embodiment, the air pressure rod 311 can also be replaced by an integral rod that is in contact with the expansion plate 31 and the support frame 1 at both ends.

In one embodiment, the controller 44 is connected to the first air pump 25, the semiconductor refrigeration sheet 26, the control panel 33, the second air pump 41, the battery 45, the air quality sensor group 4212, the float level switch 4321, respectively The inclination sensor 4312, the electrically controlled hydraulic check valve 4311, the heating wire 274, and the temperature sensor 34 are electrically connected to each other.

The controller 44 is provided with a charging and discharging circuit, and is electrically connected to the battery 45 through the charging and discharging circuit; when the air quality sensor group 4212 detects that the control quality is poor, the controller 44 controls to turn on the second air pump 41 and the electronically controlled hydraulic pressure One-way valve 4311 filters the air;

The float level switch 4321 is used to monitor the volume of distilled water with disinfectant in the liquid filter tank 43 to prevent it from overfilling and block the electronically controlled hydraulic check valve 4311, and is displayed on the control panel 33 and reminds the user of the capacity by sound or indicator light The change;

The inclination sensor 4312 is used to detect the level of the liquid filter tank 43. When it is detected that the liquid filter tank 43 is inclined more than a certain angle, the controller 44 closes the electrically controlled hydraulic check valve 4311 and the second air pump 41 to prevent the leakage of distilled water with disinfectant ;

In the heating and heat preservation state, the controller 44 detects that the temperature on the expandable heat preservation desk board 3 is insufficient for heat preservation through the temperature sensor 34, and the controller 44 turns off the first air pump 25 and turns on the semiconductor refrigeration sheet 26 to conduct the heat in the heat preservation box 21 The expandable heat preservation desk board 3 is used for heat preservation, and if it is still insufficient to meet the heat preservation needs, the controller 44 controls to turn on the electric heating wire 274 to assist in providing heat energy until the heat preservation temperature is reached.

In the non-heating and heat preservation state, the controller 44 turns off the first air pump 25 and turns on the semiconductor refrigeration sheet 26 to conduct the heat in the heat preservation box 21 to the heat exchanger 27, and the controller 44 turns on the first air pump 25 to heat the heat exchanger 27. The heat energy is discharged outside the support frame 1.

The control panel 33 directly sends control commands to the controller 44 to turn off, turn on or adjust the specific actions of the controlled mechanism.

In one embodiment, the air quality sensor group 4212 includes but is not limited to a temperature and humidity sensor, a carbon dioxide sensor, a carbon monoxide sensor, a PM2.5 sensor, and a volatile organic compound detector.

The invention provides a refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function, which includes a support frame with a frame structure, a refrigeration mechanism, an expandable heat preservation table board and an air filtration mechanism. The support frame is used to support the refrigeration mechanism, Extensible heat preservation desk board and air filter mechanism, at the same time surround and protect the components of the refrigeration mechanism and the air filtration mechanism to isolate direct contact with users and avoid electric shock; the refrigeration mechanism is used to refrigerate food or other items, and the The heat can be selectively used for the heat source supply of the expandable insulation table board. The bottom of the expandable insulation table board is provided with an electric heating wire and a soaking plate connected to it, which makes the desktop temperature more uniform; the air filtration mechanism adopts multi-stage filtration. The sensor monitors the air quality, and the controller controls the operation of each component in a unified manner. It has a high degree of intelligence; its reasonable structure has the advantages of simple structure, convenient use, high degree of intelligence, safety and reliability, and good thermal insulation effect, which effectively solves the existing The single function of the heat preservation table.

Taking the above-mentioned ideal embodiment according to the present invention as a revelation, through the above description, the relevant staff can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the contents of the description, and the technical scope must be determined according to the scope of the claims.

Claims

A refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function, which is characterized by comprising a support frame (1) with a frame structure, a cold storage mechanism (2), an expandable heat preservation table board (3) and an air filtration mechanism ( 4), the support frame (1) is provided with a first cavity (11), a second cavity (12) and a third cavity (13), the first cavity (11) and the second cavity (12) and the third cavity (13) are respectively provided with openings, and the first cavity (11) and the second cavity (12) are respectively provided with openings on the sides;

The refrigerating mechanism (2) is disposed in the first cavity (1), and the refrigerating mechanism (2) includes a thermal insulation box (21) with a single opening, and is nested with the thermal insulation box (21) A storage box (22) slidingly connected to each other, a first air pump (25) and a heat exchanger (27) fixedly arranged on the support frame (1); the thermal insulation box (21) and the support frame (1) Except for the upper end surface, the room is filled with thermal insulation material (24), and the opening of the thermal insulation box (21) faces the side opening of the first cavity (11);

The heat spreader (27) is arranged on the upper end surface of the heat insulation box (21). The heat spreader (27) includes two connecting plates (272) arranged parallel to each other, and is arranged between the connecting plates (272) and A plurality of fins (273) connected vertically to each other; two ends of the heat exchanger (27) are respectively provided with connection covers (271) which communicate with the gap between the fins (273), and the connection covers (271) on both ends are respectively connected with The air outlet of the first air pump (25) and the support frame (1) are externally connected; the surface of the connecting plate (272) is provided with semiconductor cooling fins (26), and the heat absorbing ends of the semiconductor cooling fins (26) are all oriented towards heat preservation Set on one side of the box (21);

The expandable heat-preservation desk board (3) is arranged above the support frame (1), and a plurality of expansion boards (31) are connected on the side of the expandable heat-preservation desk board (3) through hinges (32) to be expandable The bottom of the heat insulation table (3) is provided with a heat spreading plate (35), and one end of the heat spreading plate (35) is connected with the heat releasing end of the semiconductor refrigeration sheet (26); Has a control panel (33);

The air filter mechanism (4) is disposed in the third cavity (13), and the air filter mechanism (4) includes a second air pump (41), a solid filter tank (42), and a liquid Filter tank (43), controller (44) and battery (45);

The solid filter tank (42) is divided into a fourth cavity (421) and a fifth cavity (422) by a filter screen. The fourth cavity (421) is provided with an air quality sensor group (4212) and The air inlet pipe (4211) connected to the air outlet of the two air pumps (41), the fifth cavity (422) is filled with activated carbon; the liquid filter tank (43) is divided into a sixth cavity (431) by the partition plate, and the fifth A seventh cavity (432) communicating with the cavity (422). The seventh cavity (432) is provided with a float level switch (4321) and filled with distilled water with disinfectant, and the sixth cavity (431) There is an electrically controlled hydraulic check valve (4311) connected to the upper end of the seventh cavity (432) and an air outlet pipe (4313) connected to the air inlet of the first air pump (25). The air outlet pipe (4313) is also connected to the support frame (1) The outside world communicates, and an inclination sensor (4312) is provided on the partition between the sixth cavity (431) and the seventh cavity (432).
The refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to claim 1, characterized in that the support frame (1) is made of a mesh plate and / or a solid plate.
The refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to claim 1, characterized in that: the heat preservation box body (21) is made of at least two layers of mutually nested shell seals The cavity between the shells is evacuated, and there is no cavity between the upper shells of the thermal insulation box (21), and a rim made of magnetic material is provided along the opening of the thermal insulation box (21) .
The refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to claim 1, characterized in that: the storage box (22) is provided in a ring shape with a heat preservation box (21) ) A sealing member (23) with a matching opening edge. The sealing member (23) includes a hollow sealing strip (232) and a plurality of strip-shaped magnets (231) disposed in the inner cavity of the hollow sealing strip (232).
The refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to claim 1, characterized in that the gap between the fins (273) is close to a part of the expandable heat preservation table (3) A heating wire (274) is provided on the side, and the thickness of the heating wire (274) does not exceed half of the height of the fin plate (273).
The refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to claim 1, characterized in that: a plurality of temperature sensors (34) are provided at the bottom of the expandable heat preservation table board (3).
The refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to claim 1, characterized in that: the second cavity (12) is provided with a plurality of A storage box (121) withdrawn from the side opening of the second cavity (12).
The refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to claim 1, characterized in that an air pressure rod for support is provided between the expansion board (31) and the support frame (1) (311), and a groove (312) for accommodating the air pressure rod (311) is provided on the expansion board (31).
The refrigerated thermal cycle expandable heat preservation table with intelligent air filtering function according to any one of claims 1, 5, and 6, wherein the controller (44) and the first air pump (25) are respectively ), Semiconductor refrigeration chip (26), control panel (33), second air pump (41), battery (45), air quality sensor group (4212), float level switch (4321), inclination sensor (4312), The electrically controlled hydraulic check valve (4311), the heating wire (274), and the temperature sensor (34) are electrically connected to each other.
A refrigerated thermal cycle expandable insulation table with intelligent air filtering function according to claim 1, wherein: said air quality sensor group (4212) includes a temperature and humidity sensor, a carbon dioxide sensor, a carbon monoxide sensor, PM2. 5 sensor and volatile organic compound detector.