CN211862579U

CN211862579U - Constant temperature disc

Info

Publication number: CN211862579U
Application number: CN202020127561.9U
Authority: CN
Inventors: 汪启立
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-11-06
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a constant temperature plate, which comprises a plate body, a heating component, a heat insulation component, a control component and a bottom plate; the bottom of the tray body is provided with an installation groove, the bottom plate is fixedly installed on the installation groove, and the bottom plate and the installation groove enclose an installation space; heating element, thermal-insulated subassembly and control assembly all fixed mounting are in installation space, and heating element pastes the disk body bottom surface tightly, and thermal-insulated subassembly separates heating element and control assembly, and control assembly and heating element electricity are connected, and heating element receives control assembly's control. The utility model discloses in, its simple structure all installs heating element, thermal-insulated subassembly, control assembly in installation space, separates control assembly and heating element with thermal-insulated subassembly, because heating element can generate heat at the during operation, sets up thermal-insulated subassembly in order to reduce heating element to control assembly's influence, can effectively insulate against heat, and in addition, food is put in the disk body, because heating element's heating effect can keep warm for food.

Description

Constant temperature disc

Technical Field

The utility model belongs to the heat preservation tableware field, in particular to constant temperature dish.

Background

Tableware refers to non-edible implements that directly contact food when eating, utensils and appliances that assist in the distribution or intake of food. The tableware is an essential article in daily life, but in cold seasons, food contained in the tableware is very easy to cool, the taste of people is influenced when people eat the tableware, people can feel uncomfortable in intestines and stomach when people eat the cool food, people are prone to suffering from discomfort in the intestines and stomach, and the tableware is very inconvenient for old people and children who eat slowly.

The existing tableware such as a common ceramic plate does not have the function of heat preservation of food, and when people often cannot eat hot dishes, the temperature is low, and the people can get on a table and cool the dishes very quickly when the people start eating the dishes after the dishes are all cooked because the dishes which are cooked in the tableware are often placed in the utensil and cooled for a short time.

Disclosure of Invention

In order to solve the problem, the utility model provides a constant temperature plate, its simple structure can keep warm to food, sets up thermal-insulated subassembly and separates control assembly and heating element, reduces the influence of heating element to control assembly, can effectively insulate against heat.

Another object of the utility model is to provide a thermostatic disc can improve thermostatic disc's safety in utilization performance, can carry out dual waterproof, improves thermostatic disc's waterproof performance, improves thermostatic disc's life.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a thermostatic disc comprises a disc body, a heating assembly, a heat insulation assembly, a control assembly and a bottom plate; the bottom of the tray body is provided with an installation groove, the bottom plate is fixedly installed on the installation groove, and the bottom plate and the installation groove enclose an installation space; heating element, thermal-insulated subassembly and control assembly all fixed mounting are in installation space, and heating element pastes the disk body bottom surface tightly, and thermal-insulated subassembly separates heating element and control assembly, and control assembly and heating element electricity are connected, and heating element receives control assembly's control.

The utility model discloses in, this constant temperature dish includes the disk body, heating element, thermal-insulated subassembly, control assembly and bottom plate, simple structure, all install heating element, thermal-insulated subassembly, control assembly in installation space, separate control assembly and heating element with thermal-insulated subassembly, because heating element can generate heat at the during operation, in order to reduce heating element to control assembly's influence, set up thermal-insulated subassembly, can effectively insulate against heat, in addition, food is put in the disk body, because heating element's heating action, can keep warm for food.

Specifically, heating element includes the heating plate and leads the thermal grease layer, and open the disk body outer bottom surface has the holding tank that is located the mounting groove, and the heating plate all holds in the holding tank with leading the thermal grease layer, and the heating plate is fixed in the disk body bottom surface through leading the thermal grease layer. The heat conduction silicone grease layer is coated on the contact surface of the heating plate and the outer bottom surface of the tray body, so that the heating plate can utilize the heat conduction silicone grease layer to transfer heat to the tray body when heating, and food in the tray body is heated and insulated.

Wherein, the internal diameter of holding tank is less than the internal diameter of mounting groove, sets up the holding tank, is convenient for install the heating plate, and the heating plate can be the PI heating plate.

The heat insulation assembly comprises a first heat insulation plate and a second partition plate, the first heat insulation plate and the second partition plate are fixedly arranged in the mounting groove, the first heat insulation plate and the mounting groove enclose a space for accommodating the heating assembly, and the second partition plate is stacked below the first heat insulation plate; the first insulation panel may be a fiberglass insulation panel and the second insulation panel may be a plastic panel. The first heat insulation plate and the second partition plate separate the heating assembly from the control assembly to realize heat insulation.

The control assembly comprises a circuit board, a first temperature sensor for sensing the temperature of the tray body and a second temperature sensor for sensing the temperature in the mounting space, and the circuit board is fixedly mounted in a space defined by the second partition plate and the bottom plate; one end of the first temperature sensor is fixedly arranged on the circuit board, and the other end of the first temperature sensor is in contact with the disc body; the second temperature sensor is fixedly arranged on the circuit board; the heating plate is electrically connected with the circuit board.

When the temperature of the tray body reaches the set temperature, the first temperature sensor senses the temperature on the tray body and the circuit board controls the heating sheet not to heat up if the set temperature is 60 ℃; set up second temperature sensor, when the temperature in the installation space reaches the upper limit of the temperature of settlement, the circuit board can control the heating plate stop work, treats that the temperature in the installation space reduces to safe temperature, and the circuit board controls the heating plate again and opens work, so, can improve the safety in utilization performance of this thermostatic disc.

Specifically, the bottom plate comprises a first bottom plate and a second bottom plate which are fixedly arranged in the installation groove, the first bottom plate is stacked above the second bottom plate, and the first bottom plate and the installation groove enclose an installation space.

The inner wall of the mounting groove is provided with a first step and a second step, the first step is positioned above the second step, and the first bottom plate and the second bottom plate are fixedly arranged on the first step and the second step respectively; the first bottom plate is a plastic bottom plate, and the second bottom plate is a ceramic bottom plate. The first bottom plate and the second bottom plate can be respectively connected with the first step and the second step in a sealing mode through edible adhesive, double waterproof is achieved, and the waterproof performance of the constant temperature plate is improved.

Specifically, the control assembly further comprises a wireless charging coil, a battery, a level sensor and a vibration sensor capable of sensing a switch; the wireless charging coil is fixedly arranged in the installation space, the wireless charging coil is stacked above the first base plate, the battery is fixedly arranged in a space defined by the wireless charging coil and the second partition plate, and the battery is arranged side by side with the circuit board; the wireless charging coil, the battery, the level sensor and the vibration sensor are electrically connected with the circuit board; the battery may be a polymer lithium battery.

Because the service life of the polymer lithium battery is shortened and potential safety hazards are brought when the polymer lithium battery works in an environment with the temperature of 60 ℃ or above for a long time, the first heat insulation plate and the second partition plate are arranged to separate the heating assembly from the control assembly so as to effectively insulate heat; set up wireless charging coil, make the constant temperature dish have the wireless function of charging, can put the constant temperature dish on wireless charging seat, during charging, because wireless charging coil can generate heat, so when charging, can stop the heat preservation food work of constant temperature dish. In addition, the battery can supply power when the thermostatic disc keeps warm to food. The horizontal sensor is arranged, and when the horizontal sensor senses the inclination of the disc body, the circuit board can control the heating sheet to stop working.

Specifically, the inside wall of mounting groove is equipped with thermal barrier coating to reduce the sealed space of disk body heat transfer to disk body bottom, so can reduce the influence of temperature to the polymer lithium cell, improve the life of thermostatic disc.

Specifically, the disk body is a ceramic disk body.

The utility model has the advantages that:

compared with the prior art, the utility model discloses a constant temperature plate, its simple structure can keep warm to food, sets up thermal-insulated subassembly and separates control assembly and heating element, reduces the influence of heating element to control assembly, can effectively insulate against heat.

This constant temperature dish can also improve the safety in utilization performance of constant temperature dish, can carry out dual waterproof, improves the waterproof performance of constant temperature dish, improves the life of constant temperature dish.

Drawings

Fig. 1 is an exploded view of a thermostatic disc embodied by the present invention.

Fig. 2 is a cross-sectional view of a thermostatic disc embodied by the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Fig. 4 is an enlarged schematic structural view of a portion B in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical scheme of the utility model as follows:

as shown in fig. 1-4, the thermostatic disc implemented by the present invention comprises a disc body 1, a heating assembly 2, a heat insulation assembly 3, a control assembly 4 and a bottom plate 5; the bottom of the tray body 1 is provided with an installation groove 6, the bottom plate 5 is fixedly installed on the installation groove 6, and an installation space 7 is enclosed by the bottom plate 5 and the installation groove 6; heating element 2, thermal-insulated subassembly 3 and control assembly 4 are all fixed mounting in installation space 7, and heating element 2 pastes the 1 bottom surface of tight disk body, and thermal-insulated subassembly 3 separates heating element 2 and control assembly 4, and control assembly 4 is connected with heating element 2 electricity, and heating element 2 is controlled by control assembly 4.

The utility model discloses in, this constant temperature dish includes disk body 1, heating element 2, thermal-insulated subassembly 3, control assembly 4 and bottom plate 5, moreover, the steam generator is simple in structure, with heating element 2, thermal-insulated subassembly 3, control assembly 4 is all installed in installation space 7, separate control assembly 4 and heating element 2 with thermal-insulated subassembly 3, because heating element 2 can generate heat at the during operation, in order to reduce the influence of heating element 2 to control assembly 4, set up thermal-insulated subassembly 3, can effectively insulate against heat, in addition, food is put in disk body 1, because the heating effect of heating element 2, can keep warm for food.

In this embodiment, the heating assembly 2 includes a PI heating plate 21 and a heat conductive silicone layer (not shown), the outer bottom surface of the tray body 1 is provided with a receiving groove 11 located in the mounting groove 6, the PI heating plate 21 and the heat conductive silicone layer are both received in the receiving groove 11, and the PI heating plate 21 is fixed on the bottom surface of the tray body 1 through the heat conductive silicone layer. The heat-conducting silicone layer is coated on the contact surface of the PI heating plate 21 and the outer bottom surface of the tray body 1, so that the PI heating plate 21 can transfer heat to the tray body 1 by utilizing the heat-conducting silicone layer when heating, and food in the tray body 1 is heated and insulated.

Wherein, the internal diameter of holding tank 11 is less than the internal diameter of mounting groove 6, sets up holding tank 11, is convenient for install PI heating plate 21.

The heat insulation assembly 3 comprises a first heat insulation plate 31 and a second partition plate 32, the first heat insulation plate 31 and the second partition plate 32 are fixedly arranged in the mounting groove 6, the first heat insulation plate 31 and the receiving groove 11 enclose a space for receiving the heating assembly 2, and the second partition plate 32 is laminated below the first heat insulation plate 31; the first insulation panel 31 may be a glass fiber insulation panel and the second insulation panel 32 may be a plastic panel. The first insulation board 31 and the second insulation board 32 insulate the heating module 2 and the control module 4.

In this embodiment, the control assembly 4 includes a circuit board 41, a first temperature sensor (not shown) for sensing the temperature of the tray body 1, and a second temperature sensor (not shown) for sensing the temperature inside the installation space 7, wherein the circuit board 41 is fixedly installed in the space enclosed by the second partition plate 32 and the bottom plate 5; one end of the first temperature sensor is fixedly arranged on the circuit board 41, and the other end of the first temperature sensor is contacted with the disc body 1; the second temperature sensor is fixedly mounted on the circuit board 41; the PI heater chip 21 is electrically connected to the circuit board 41.

When the temperature of the tray body 1 reaches the set temperature, assuming that the set temperature is 60 ℃, the first temperature sensor senses the temperature on the tray body 1, and the circuit board 41 controls the PI heating sheet 21 not to be heated any more; the second temperature sensor is arranged, when the temperature in the installation space 7 reaches the set upper temperature limit, the circuit board 41 can control the PI heating sheet 21 to stop working, and when the temperature in the installation space 7 is reduced to the safe temperature, the circuit board 41 controls the PI heating sheet 21 to start working again, so that the use safety performance of the thermostatic disc can be improved.

In the present embodiment, the bottom plate 5 includes a first bottom plate 51 and a second bottom plate 52, both of which are fixedly installed in the installation groove 6, the first bottom plate 51 is stacked above the second bottom plate 52, and the first bottom plate 51 and the installation groove 6 enclose the installation space 7.

Wherein, the inner wall of the mounting groove 6 is provided with a first step 61 and a second step 62, the first step 61 is positioned above the second step 62, and the first bottom plate 51 and the second bottom plate 52 are respectively fixedly arranged on the first step 61 and the second step 62; the first base plate 51 is a plastic base plate and the second base plate 52 is a ceramic base plate. The first bottom plate 51 and the second bottom plate 52 can be hermetically connected with the first step 61 and the second step 62 through edible adhesive respectively, so that double waterproofing is performed, and the waterproof performance of the thermostatic disc is improved.

In this embodiment, the control assembly 4 further comprises a wireless charging coil 42, a battery 43, a level sensor (not shown), a vibration sensor (not shown) capable of sensing a switch; the wireless charging coil 42 is fixedly installed in the installation space 7, the wireless charging coil 42 is stacked above the first bottom plate 51, the battery 43 is fixedly installed in a space enclosed by the wireless charging coil 42 and the second partition plate 32, and the battery 43 is arranged side by side with the circuit board 41; the wireless charging coil 42, the battery 43, the level sensor and the vibration sensor are electrically connected with the circuit board 41; the battery 43 may be a polymer lithium battery.

Because the polymer lithium battery can cause the shortening of the service life and bring potential safety hazards when working in the environment with the temperature of 60 ℃ and above for a long time, the first heat insulation plate 31 and the second heat insulation plate 32 are arranged to separate the heating assembly 2 and the control assembly 4 for effective heat insulation; set up wireless charging coil 42, make the thermostatic disc have the wireless function of charging, can put the thermostatic disc on wireless charging seat, during charging, because wireless charging coil 42 can generate heat, so when charging, can stop the heat preservation food work of thermostatic disc. In addition, the battery 43 can supply power when the thermostatic disc keeps the food warm. A level sensor is provided, and when the level sensor senses that the tray body 1 is inclined, the circuit board 41 can control the PI heating sheet 21 to stop working.

In this embodiment, the inside wall of mounting groove 6 is equipped with thermal barrier coating (not shown) to reduce the sealed space of 1 heat transfer of disk body to disk body 1 bottom, so can reduce the influence of temperature to the polymer lithium cell, improve the life of thermostatic disc.

In the present embodiment, the tray body 1 is a ceramic tray body.

Similarly, the technical scheme is suitable for appliances such as constant-temperature feeding bottles, constant-temperature cups, constant-temperature lunch boxes and the like.

The utility model has the advantages that:

compared with the prior art, the utility model discloses the constant temperature dish implemented, its simple structure can keep warm to food, sets up thermal-insulated subassembly and separates control assembly and heating element, reduces the influence of heating element to control assembly, can effectively insulate against heat.

The thermostatic disc can also improve the use safety performance of the thermostatic disc, can carry out dual waterproofing, improves the waterproofing performance of the thermostatic disc, and prolongs the service life of the thermostatic disc

The above description is intended to be illustrative of the present invention and is not intended to be limiting, and all such modifications, equivalents and improvements as fall within the spirit and scope of the invention are intended to be included therein.

Claims

1. A thermostatic disc is characterized by comprising a disc body, a heating assembly, a heat insulation assembly, a control assembly and a bottom plate; the bottom of the tray body is provided with a mounting groove, the bottom plate is fixedly mounted on the mounting groove, and a mounting space is enclosed by the bottom plate and the mounting groove; heating element, thermal-insulated subassembly and control assembly all fixed mounting are in the installation space, and heating element pastes tight disk body bottom surface, and thermal-insulated subassembly separates heating element and control assembly, control assembly with the heating element electricity is connected, and heating element receives control assembly's control.

2. The thermostatic disc of claim 1, wherein the heating assembly includes a heating plate and a thermally conductive silicone layer, the outer bottom surface of the disc body having a receiving groove formed therein, the heating plate and the thermally conductive silicone layer being received in the receiving groove, the heating plate being secured to the bottom surface of the disc body by the thermally conductive silicone layer.

3. The thermostatic disc of claim 2, wherein an inner diameter of the receiving groove is smaller than an inner diameter of the mounting groove, and the heating plate is a PI heating plate.

4. The thermostatic disc of claim 2, wherein the heat insulating assembly comprises a first heat insulating plate and a second partition plate, the first heat insulating plate and the second partition plate are fixedly installed in the installation groove, the first heat insulating plate and the accommodation groove enclose a space for accommodating the heating assembly, and the second partition plate is stacked below the first heat insulating plate; the first heat insulation plate is a glass fiber heat insulation plate, and the second partition plate is a plastic partition plate.

5. The thermostatic disc of claim 4, wherein the control assembly includes a circuit board, a first temperature sensor for sensing the temperature of the disc body, and a second temperature sensor for sensing the temperature inside the mounting space, the circuit board being fixedly mounted in a space defined by the second partition and the bottom plate; one end of the first temperature sensor is fixedly arranged on the circuit board, and the other end of the first temperature sensor is in contact with the disc body; the second temperature sensor is fixedly arranged on the circuit board; the heating plate is electrically connected with the circuit board.

6. The thermostatic disc of claim 5, wherein the bottom plate comprises a first bottom plate and a second bottom plate, both of which are fixedly mounted in the mounting groove, the first bottom plate being stacked above the second bottom plate, the first bottom plate and the mounting groove enclosing a mounting space.

7. The thermostatic disc according to claim 6, wherein the inner wall of the mounting groove is provided with a first step and a second step, the first step is positioned above the second step, and the first bottom plate and the second bottom plate are respectively and fixedly arranged on the first step and the second step; the first bottom plate is a plastic bottom plate, and the second bottom plate is a ceramic bottom plate.

8. The thermostat tray of claim 6, wherein the control assembly further comprises a wireless charging coil, a battery, a level sensor, a shock sensor capable of sensing a switch; the wireless charging coil is fixedly arranged in the installation space, the wireless charging coil is stacked above the first base plate, the battery is fixedly arranged in a space defined by the wireless charging coil and the second partition plate, and the battery and the circuit board are arranged side by side;

the wireless charging coil, the battery, the level sensor and the vibration sensor are all electrically connected with the circuit board; the battery is a lithium battery.

9. The thermostatic disc of claim 1, wherein an inner side wall of the mounting groove is provided with a thermal insulating coating.

10. The thermostatic disc of claim 1, wherein the disc body is a ceramic disc body.