CN220212286U

CN220212286U - Cold and hot dual-purpose table

Info

Publication number: CN220212286U
Application number: CN202320974753.7U
Authority: CN
Inventors: 余桢; 王中贤; 张子麒
Original assignee: Nanjing Tech University
Current assignee: Nanjing Tech University
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-12-22
Anticipated expiration: 2033-04-26

Abstract

The utility model provides a cold and hot dual-purpose desk plate, which comprises a shell, a panel, a control device, a refrigerating/heating device and a heat radiating device. The panel is inlaid above the shell and is divided into a control area and a refrigerating/heating area. The control device is connected with the control area and comprises a temperature sensor, a chip, a signal transmitting and receiving device and a power control device. The inner part of the desk plate is provided with a refrigerating/heating device at the upper part and a heat radiating device at the bottom. The refrigerating/heating device is closely arranged below the panel and connected with the refrigerating/heating area, and comprises a heat pipe and a semiconductor thermoelectric refrigerating sheet. The heat sink is below the cooling/heating device and includes a fan and fins. The food can be heated or kept fresh, and the requirements that people want to eat hot meal in cold winter and want to keep cold drink temperature and fresh taste in hot summer are met; and the device has low cost, small volume and low energy consumption, and is suitable for daily use in families.

Description

Cold and hot dual-purpose table

Technical Field

The utility model relates to the technical field of heating plates, in particular to a cold and hot dual-purpose table plate.

Background

In life, people always have the situation that dishes become cool, sometimes the number of dishes is large, the dishes which are made later are made, the dishes which are made first become cool, the situation is particularly common in winter in the Jiang Zhe region, and as the Jiang Zhe region does not have collective heating, the winter is moist and cold, the dishes are cooled quickly, and the hands and feet of people sitting on the table feel cold. In summer, when enjoying ice cream, sushi and raw fish slices, we also often encounter problems of melting too quickly and keeping fresh.

The heating plates on the market up to now are provided with an infrared heating plate, a ceramic heating plate, a carbon crystal heating plate and the like, and the heating plates have a series of advantages of acid and alkali resistance, temperature adjustment, rust resistance and the like, but have only heating functions, have no refrigerating function and cannot meet the demands of people on food refrigeration/fresh keeping.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a cold and hot dual-purpose table plate which can quickly cool and heat, and simultaneously ensures good temperature uniformity to heat or keep fresh food.

The technical solution for realizing the purpose of the utility model is as follows:

the utility model provides a cold and hot dual-purpose desk plate, which comprises a shell, a panel, a control device, a refrigerating/heating device and a heat radiating device. The panel is inlaid above the shell and is divided into a control area and a refrigerating/heating area. The control device is connected with the control area and comprises a temperature sensor, a chip, a signal transmitting and receiving device and a power control device. The inner part of the desk plate is provided with a refrigerating/heating device at the upper part and a heat radiating device at the bottom. The refrigerating/heating device is closely arranged below the panel and connected with the refrigerating/heating area, and comprises a heat pipe and a semiconductor thermoelectric refrigerating sheet. The heat sink is below the cooling/heating device and includes fins and fans. The lower part of the shell is provided with a reticular hole which is convenient for heat dissipation.

Further, during refrigeration, the temperature control switch is used for controlling the semiconductor thermoelectric refrigeration piece to basically stabilize at a certain temperature when certain power is supplied; when heating, the temperature control switch is switched for control, and the semiconductor thermoelectric refrigerating sheet can reach the preset temperature at certain power, so that the purposes of stable heating and refrigerating are achieved.

Further, the semiconductor thermoelectric refrigerating sheet performs refrigeration/heating to enable working liquid in the heat pipe to change phase, and working steam flows from one end to the other end to realize heat transfer, so that uniformity of temperature of a tabletop is realized.

Further, the panel cooling/heating area is made of a heat conducting material, so that the temperature can be quickly and uniformly distributed on the whole tabletop. Meanwhile, the panel can be divided into a plurality of refrigerating/heating cells, so that one panel has more functional division.

Further, the control area of the panel is a touch screen made of heat insulation material.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:

1. the cold and hot dual-purpose desk plate uses the semiconductor thermoelectric refrigerating sheet as the temperature control unit, and realizes the cold and hot dual-purpose function by utilizing the dual-performance of refrigerating and heating, so that the service time range of the desk plate is enlarged from winter to four seasons.

2. The semiconductor unit of the cold and hot dual-purpose desk plate has small volume, and can be provided with a plurality of temperature control intervals, so that one desk plate has more functional partitions to adapt to different requirements at different moments.

3. The cold and hot dual-purpose desk plate is safer, and the safety performance of the semiconductor is the safety guarantee of the cold and hot dual-purpose desk plate.

4. The heat pipe technology is used for the cold and hot dual-purpose desk plate, and the rapid refrigeration/heating and the temperature uniformity are realized.

Drawings

Figure 1 is a top view of a dual-purpose cold and hot table of the present utility model;

figure 2 is a cross-sectional view of the cold and hot dual-purpose table of the present utility model taken along the A-A plane;

figure 3 is a schematic view of the whole structure of the cold and hot dual-purpose table of the present utility model.

Reference numerals meaning: 1: panel, 2: control device, 3: heat pipe, 4: semiconductor thermoelectric cooling piece, 5: a fan, 6: fins, 7: a housing.

Detailed Description

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

A dual-purpose cold and hot desk plate comprises a desk plate shell 7, a panel 1 and a control device 2, wherein the inner part of the desk plate is provided with an upper refrigerating and heating device and a lower heat radiating device.

An article to be heated or kept warm is placed in the cooling/heating area of the panel 1. The control device 2 (Xin Zhu electric appliance, 2200w version of temperature control display) controls the power supply, can switch the mode of refrigeration/heating and time work, and can also adjust the temperature. The refrigerating/heating device is tightly attached to the lower part of the panel 1 and is connected with the refrigerating/heating area, and comprises a flat heat pipe 3 and a semiconductor thermoelectric refrigerating sheet 4, wherein the flat heat pipe 3 and the semiconductor thermoelectric refrigerating sheet are good in fit. The heat pipe 3 (Xuzhou hal electronic technology.11 mm wide by 3mm thick pure copper heat pipe) is laid over the semiconductor thermoelectric refrigerating sheet 4 (zeigher flagship semiconductor model 12v/12703 size 40mm by 40 mm), and heat conduction silicone grease is coated between the heat pipe and the semiconductor thermoelectric refrigerating sheet, and the heat pipe is fixed by extrusion so as to reduce heat dissipation.

After the power supply is connected and the heating function is selected, the hot end of the thermoelectric refrigerating sheet transfers heat to the tabletop through the heat pipe 3, so that the temperature is increased. The refrigerating function is selected, at this time, the semiconductor thermoelectric refrigerating sheet 4 performs refrigerating work, and the desktop temperature is reduced by conduction through the heat pipe 3.

The semiconductor thermoelectric refrigerating sheet 4 is rapid in refrigerating/heating and low in noise, and the high thermal conductivity and excellent isothermicity of the heat pipe 3 ensure the working efficiency of the refrigerating/heating area, and the temperature of the working area can be kept uniform while rapid refrigerating and heating are performed.

The heat dissipation device at the bottom consists of the fan 5 and the fins 6, so that the heat dissipation effect is more remarkable, and the refrigerating/heating capacity can be improved.

Those of ordinary skill in the art will appreciate that all or a portion of the steps in the various methods of the above embodiments may be performed by hardware associated with instructions via circuit configurations that may be performed by a single chip or other similarly functioning integrated chip, as is known in the art. The core utility model is that the overall structure layout of the system and the local control method can be completed by programming in the prior art; the local module connection can be realized by means of the prior art.

In particular, in this application, the mechanical/electrical structure of the dual-purpose cold and hot table is an innovation of this application. The control principle of the control device and the working principle of the semiconductor thermoelectric refrigerating sheet are all the prior art, and should not be regarded as limiting the protection object of the application.

While only a few embodiments of the present utility model have been described, it should be noted that modifications could be made by those skilled in the art without departing from the principles of the present utility model, which modifications are to be regarded as being within the scope of the utility model.

Claims

1. The utility model provides a cold and hot dual-purpose table, its characterized in that includes casing (7), panel (1), controlling means (2), refrigeration/heating device and heat abstractor, wherein:

the panel (1) is embedded above the shell (7), and the panel (1) is divided into a control area and a refrigerating/heating area; the control device (2) is connected with the control area, the refrigerating/heating device is connected with the refrigerating/heating area, and the refrigerating/heating device comprises a heat pipe (3) and a semiconductor thermoelectric refrigerating sheet (4); the heat dissipating device is arranged below the refrigerating/heating device, and comprises fins (6) and a fan (5).

2. The dual-purpose cold and hot table of claim 1, wherein the control area is a touch screen made of heat insulating material and the cooling/heating area is made of heat conducting material.

3. A dual-purpose cold and hot table according to claim 1, characterized in that the control device (2) is fixed to the inner side of the faceplate (1) by adsorption.

4. The dual-purpose cold and hot table plate according to claim 1, wherein the refrigerating/heating device adopts a plurality of flat heat pipes (3) which are tightly attached to the refrigerating/heating area and the thermoelectric refrigerating semiconductor sheet (4).

5. The dual-purpose cooling/heating table as claimed in claim 4, wherein the cooling/heating area is divided into a plurality of cooling/heating small areas; the flat heat pipe (3) and the semiconductor thermoelectric refrigerating sheet (4) are arranged in regions according to a plurality of divided refrigerating/heating small regions.

6. The dual-purpose cold and hot table according to claim 1, wherein the fins (6) of the heat sink are tightly attached to the thermoelectric semiconductor refrigerating sheet (4) and to the fan (5).

7. The dual-purpose cooling/heating table as claimed in claim 6, wherein the cooling/heating area is divided into a plurality of cooling/heating small areas; the fins (6) and the fans (5) are arranged in regions according to a plurality of divided cooling/heating small regions.

8. A dual-purpose cold and hot table according to claim 1, characterized in that mesh holes are formed below the shell (7) to facilitate heat dissipation.