Floor constant temperature warming table

Abstract

The utility model discloses a bottom constant temperature heating table, include: the bottom board of supporting effect, and the heating device and heating detection device of being arranged in the bottom board below. Heating device is used to heat after the current is accessed to heat to the bottom board. Heating detection device connects the control system of heating table to be used for detecting the local temperature of the bottom board at its setting position, and the temperature detection result is fed back to the control system to make the control system adjust the local temperature of the corresponding position on the bottom board according to the received temperature detection result, and then make the temperature of each position of the bottom board tend to equal to realize the constant temperature heating of the whole bottom board. The new bottom constant temperature heating table can make the temperature of each position of the bottom board tend to equal to the target temperature close to the user input, and then realize the constant temperature heating of each position on the bottom board, improve the user experience effect, heat evenly, also make the bottom board not easy to cause stress uneven production self -explosion because of the temperature difference of each area, prolong the service life of electric appliance.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric heating table technical field, especially, relate to a bottom constant temperature device heating table. BACKGROUND

[0002] At present, the temperature difference of each area of the bottom plate for heating on the electric heating table industry or multifunctional electric heating tea table industry is large, generally the temperature of the middle position is high, and the temperature of the outer periphery is low, and part of the products continuously heats after starting, part of the products is provided with a temperature sensing probe in the middle, and automatically powers off after reaching the set temperature.

[0003] For the electric heating table of two layers, in addition to the middle heating wire heating itself, the lower bottom plate also has radiation from the upper table top heating device, so when the middle temperature is high, the temperature sensing probe is located in the middle, and automatically powers off after reaching the set temperature, at this time, the temperature of the bottom plate edge is still low due to fast heat dissipation, so the temperature of the outer periphery is seriously inconsistent with the set temperature when powering off, so it seriously affects the user experience effect, such as not setting the temperature sensing probe in the center of the bottom plate, continuously heating without power off, which is not energy saving and environmental protection; when the bottom plate material is glass material, stress unevenness caused by temperature difference of each area may also cause self-explosion; in addition, part of the products is marked as constant temperature, but it is actually constant temperature of a small area, not constant temperature of the whole bottom plate area. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a bottom constant temperature heating table to solve the technical problem of the prior art that the temperature of the outer periphery is seriously inconsistent with the set temperature when powering off, so it seriously affects the user experience effect, is not energy saving and environmental protection, and is easy to cause stress unevenness caused by temperature difference of each area to produce self-explosion.

[0005] The utility model adopts the following technical scheme:

[0006] A bottom constant temperature heating table, comprising: a bottom plate serving as a support, and a heating device and a heating detection device arranged below the bottom plate; the heating device is used for heating after connecting the current to heat the bottom plate; the heating detection device is connected to the control system of the heating table to detect the local temperature of the bottom plate at the set position, and feeds back the temperature detection result to the control system, so that the control system adjusts the local temperature of the corresponding position on the bottom plate according to the received temperature detection result, and then makes the temperature of each position on the bottom plate tend to be equal to realize the constant temperature heating of the whole bottom plate.

[0007] Further, the heating device comprises a group of heating wires, and the heating wires are arranged in a "center sparse, outer periphery dense" mode along the whole lower surface area of the bottom plate, that is, the heating wires are arranged in a center sparse mode in the center of the lower surface area of the bottom plate, and arranged in an outer periphery dense mode in the outer periphery of the lower surface area of the bottom plate; the heating detection device comprises a group of temperature sensing probes arranged in the center of the lower surface of the bottom plate.

[0008] Further, the heating device comprises a group of heating wires arranged in a "middle sparse, two sides dense" mode along the entire lower surface area of the base plate; the heating detection device comprises a group of temperature sensing probes arranged at the center of the lower surface of the base plate.

[0009] Further, the heating device comprises a group of heating wires arranged in a "center far, outer periphery near" mode along the entire lower surface area of the base plate, wherein the heating wires are arranged to be sunken away from the lower surface of the base plate at the center and to be protruded close to the lower surface of the base plate at the outer periphery; the heating detection device comprises a group of temperature sensing probes arranged at the center of the lower surface of the base plate.

[0010] Further, the heating device comprises a group of heating wires arranged in a "middle far, two sides near" mode along the entire lower surface area of the base plate, wherein the heating wires are arranged to be sunken away from the lower surface of the base plate at the middle and to be protruded close to the lower surface of the base plate at the two sides; the heating detection device comprises a group of temperature sensing probes arranged at the center of the lower surface of the base plate.

[0011] Further, the heating device comprises a center heating wire arranged at the center area of the lower surface of the base plate and an outer periphery heating wire arranged at the outer periphery area of the center area; the heating detection device comprises a group of center temperature sensing probes arranged at the center area of the lower surface of the base plate and a group of outer periphery temperature sensing probes arranged at the outer periphery area.

[0012] Further, the heating device comprises a middle heating wire arranged at the middle area of the lower surface of the base plate and two groups of side end heating wires arranged at the two side areas of the middle area; the heating detection device comprises a group of middle temperature sensing probes arranged at the middle area of the lower surface of the base plate and two groups of side end temperature sensing probes arranged at the two groups of side areas.

[0013] Further, the heating device comprises a center heating wire arranged at the center area of the lower surface of the base plate and a plurality of groups of outer periphery heating wires arranged at the outer periphery area of the center area in sequence; the heating detection device comprises a group of center temperature sensing probes arranged at the center area of the lower surface of the base plate and a plurality of groups of outer periphery temperature sensing probes arranged at the outer periphery area.

[0014] Further, the center heating wire is arranged sparsely compared with the outer periphery heating wire, or the center heating wire is arranged away from the lower surface of the base plate while the outer periphery heating wire is arranged close to the lower surface of the base plate.

[0015] Further, the heating device comprises a middle heating film arranged at the middle area of the lower surface of the base plate and two groups of side end heating films arranged at the side end areas of the middle area; the heating detection device comprises a group of middle temperature sensing probes arranged at the middle area of the lower surface of the base plate and two groups of side end temperature sensing probes arranged at the two side end areas.

[0016] The utility model has the following beneficial effects:

[0017] The utility model relates to a bottom plate constant temperature heating table, wherein the bottom plate refers to the board arranged at the lower layer of the electric heating table and used for warming the user's feet, during work, the heating device supplies the current to heat, to heat the bottom plate above, and the heating detection device connected with the control system of the heating table detects the local temperature of the bottom plate at the setting position in real time, and the temperature detection result is fed back to the control system, the control system adjusts the local temperature of the bottom plate according to the received temperature detection value, when the temperature detection value exceeds the target temperature value input by the user, the current size input by the heating device at the setting position of the heating detection device is reduced to locally cool or directly cut off the power to cool, so that the temperature of each position of the bottom plate tends to be equal and close to the target temperature input by the user, and then the constant temperature heating at each position of the bottom plate is realized, the problems of high center temperature and low temperature at both sides or the periphery of the bottom plate in the prior art, continuous heating of the bottom plate leading to non-energy saving and environmental protection, etc.

[0018] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings that form a part of this application are intended to provide further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute undue limitation on the utility model. In the drawings:

[0020] Figure 1 It is the overhead structure schematic diagram of the bottom plate constant temperature heating table of the preferred embodiment of the utility model;

[0021] Figure 2 It is Figure 1 The bottom plate lower surface area division schematic diagram in the utility model.

[0022] Legend:

[0023] 1, bottom plate;

[0024] 2, heating device;

[0025] 3, heating detection device. DETAILED DESCRIPTION

[0026] The embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in multiple different ways limited and covered by the following.

[0027] Refer to Figure 1The preferred embodiment of the utility model discloses a kind of bottom constant temperature heating table, comprising: the bottom plate 1 of supporting effect, and the heating device 2 and heating detection device 3 of being laid below bottom plate 1.Heating device 2 is heated after current is accessed, to heat bottom plate 1.Heating detection device 3 connects the control system of heating table, to be used to detect the local temperature of bottom plate 1 at its setting position, and temperature detection result is fed back to control system, so that control system adjusts the local temperature of corresponding position on bottom plate 1 according to received temperature detection result, and then the temperature of each position of bottom plate 1 tends to equal to realize the constant temperature heating of bottom plate 1 whole.

[0028] The utility model relates to a kind of bottom constant temperature heating table, wherein "bottom plate" refers to the board for user foot to warm up, which is arranged in the lower layer of electric heating table, when working, heating device 2 supplies current to heat, to heat the bottom plate 1 above, and the heating detection device 3 connected to the control system of heating table detects the local temperature of bottom plate 1 at setting position in real time, and temperature detection result is fed back to control system, and control system adjusts the local temperature of bottom plate 1 according to received temperature detection value, when temperature detection value exceeds target temperature value input by user, corresponding reduce the current size of heating device 2 input at the setting position of heating detection device 3 to locally cool or directly power-off cooling, so that the temperature of each position of bottom plate 1 tends to equal to the target temperature close to user input, and then realize the constant temperature heating of each position on bottom plate 1, solve the problems, such as high center temperature and low temperature on both sides or periphery of bottom plate in prior art, continuous heating of bottom plate leads to non-energy saving and environmental protection, improve user experience effect, heating is uniform, also make bottom plate not easy to cause stress uneven and self-explosion due to temperature difference in each region, prolong the service life of electric appliance.

[0029] Optionally, the first embodiment of the combination of heating device 2 and heating detection device 3, heating device 2 includes a group of heating wires, and heating wire is arranged in the mode of "center sparse, periphery dense" along the entire lower surface area of bottom plate 1.Heating detection device 3 includes a group of temperature sensing probes arranged on the center of the lower surface of bottom plate 1.In this first embodiment, only one group of heating wires and one group of temperature sensing probes are included, and the "center sparse, periphery dense" arrangement mode of heating wire is arranged, to realize that the center temperature and periphery temperature of bottom plate tend to equal under the same current, so as to not only reduce manufacturing cost, but also make the layout of circuit (including heating wire circuit, circuit connecting temperature sensing probe and control system) below bottom plate simple and control process simple.

[0030] Optionally, in a second embodiment combining the heating element 2 and the heating detection element 3, the heating element 2 includes a set of heating wires arranged in a "sparse in the middle, dense on both sides" manner along the entire lower surface area of ​​the base plate 1. The heating detection element 3 includes a set of temperature probes disposed at the center of the lower surface of the base plate 1. In this second embodiment, only a set of heating wires and a set of temperature probes are included. By arranging the heating wires in a "sparse in the middle, dense on both sides" manner, the temperature in the middle of the base plate and the temperature on both sides tend to be equal under the same current. This not only reduces manufacturing costs but also simplifies the layout of the circuitry below the base plate (including the heating wire circuitry, the circuitry connecting the temperature probes and the control system) and the control process.

[0031] Optionally, in a third embodiment combining the heating element 2 and the heating detection element 3, the heating element 2 includes a set of heating wires arranged in a "center-far, periphery-near" manner along the entire lower surface of the base plate 1, with the center sinking away from the lower surface of the base plate 1 and the periphery convex upward towards the lower surface of the base plate 1. The heating detection element 3 includes a set of temperature probes disposed at the center of the lower surface of the base plate 1. In this third embodiment, only a set of heating wires and a set of temperature probes are included. By arranging the heating wires in a "center-far, periphery-near" manner, the temperature at the center and the temperature at the periphery of the base plate tend to be equal under the same current. This not only reduces manufacturing costs but also simplifies the layout of the circuitry below the base plate (including the heating wire circuitry, the circuitry connecting the temperature probes and the control system) and the control process.

[0032] Optionally, in the fourth embodiment of the combination of heating device 2 and heating detection device 3, the heating device 2 includes a set of heating wires arranged in a "far from the center, near to the sides" manner along the entire lower surface area of ​​the base plate 1, with the heating wires recessed in the middle away from the lower surface of the base plate 1 and protruding upwards on both sides close to the lower surface of the base plate 1. The heating detection device 3 includes a set of temperature sensing probes disposed at the center of the lower surface of the base plate 1. In this fourth embodiment, only a set of heating wires and a set of temperature sensing probes are included. By arranging the heating wires in a "far from the center, near to the sides" manner, the temperature in the middle of the base plate and the temperature on both sides tend to be equal under the same current. This not only reduces manufacturing costs but also simplifies the layout of the circuitry below the base plate (including the heating wire circuitry, the circuitry connecting the temperature sensing probes and the control system) and simplifies the control process.

[0033] Optionally, in the fifth embodiment of the combination of heating device 2 and heating detection device 3, the heating device 2 includes a central heating wire disposed in the central region of the lower surface of the base plate 1, and an outer circular heating wire disposed in the outer peripheral region of the central region. The heating detection device 3 includes a set of central temperature sensing probes disposed in the central region of the lower surface of the base plate 1, and a set of outer peripheral temperature sensing probes disposed in the outer peripheral region. In this fifth embodiment, two sets of heating wires, such as the central heating wire and the outer circular heating wire, and two sets of temperature sensing probes, such as the central temperature sensing probe and the outer peripheral temperature sensing probe, are included. The structure is simple and can effectively reduce the manufacturing cost. At the same time, the local temperature of the base plate at the central heating wire is fed back through the central temperature sensing probe, and the local temperature of the base plate at the outer circular heating wire is fed back through the outer peripheral temperature sensing probe. This allows the control system to independently control the central temperature and the outer peripheral temperature of the base plate, making the central temperature and the outer peripheral temperature of the base plate infinitely close to the user input temperature, thereby improving the uniformity and consistency of the overall temperature of the base plate, improving the user experience, and extending the service life of the base plate.

[0034] Optionally, in the sixth embodiment of the combination of heating device 2 and heating detection device 3, the heating device 2 includes a central heating wire disposed in the middle region of the lower surface of the base plate 1, and two sets of side heating wires disposed in the side regions on both sides of the middle region. The heating detection device 3 includes a set of central temperature sensing probes disposed in the middle region of the lower surface of the base plate 1, and two sets of side temperature sensing probes disposed in the two side regions. In this sixth embodiment, three sets of heating wires (central heating wire and two sets of side heating wires) and three sets of temperature sensing probes (central temperature sensing probe and two sets of side temperature sensing probes) are included, resulting in a simple structure that can effectively reduce manufacturing costs. Simultaneously, the central temperature sensing probe provides feedback on the local temperature of the base plate at the central heating wire, and the two sets of side temperature sensing probes provide feedback on the local temperature of the base plate at the side heating wires. This allows the control system to independently control the central and side temperatures of the base plate, making the central and side temperatures of the base plate infinitely close to the user input temperature, thereby improving the overall temperature uniformity and consistency of the base plate, enhancing the user experience, and extending the service life of the base plate.

[0035] Optionally, in the seventh embodiment of the combination of heating device 2 and heating detection device 3, the heating device 2 includes a central heating wire disposed in the central region of the lower surface of the base plate 1, and multiple sets of peripheral heating wires sequentially disposed along the outer periphery of the central region. The heating detection device 3 includes a set of central temperature sensing probes disposed in the central region of the lower surface of the base plate 1, and multiple sets of peripheral temperature sensing probes disposed in each peripheral region. In this seventh embodiment, the local temperature of the base plate at the central heating wire can be fed back through the central temperature sensing probe, and the local temperature of the base plate at each of the multiple sets of peripheral temperature sensing probes can be fed back through the multiple sets of peripheral temperature sensing probes. This facilitates the control system to independently control the central temperature and the temperature of each peripheral region of the base plate, making the central temperature and peripheral temperature of the base plate infinitely close to and close to the user input temperature, thereby improving the uniformity and consistency of the overall temperature of the base plate, improving the user experience, and extending the service life of the base plate. In this optional solution, such as Figure 2 As shown, the lower surface area of ​​the base plate 1 is divided into a central area and four peripheral areas surrounding the central area.

[0036] Preferably, in the fifth and seventh embodiments described above, the central heating wire is sparser than the peripheral heating wire, or the central heating wire is arranged further away from the lower surface of the base plate 1, while the peripheral heating wire is arranged closer to the lower surface of the base plate 1. Thus, in this preferred embodiment, the local temperature of the base plate at the central heating wire and the peripheral heating wire can be controlled by the central temperature probe and the peripheral temperature probe, respectively. This not only improves the uniformity and consistency of the overall temperature of the base plate, but also further improves the uniformity and consistency of the base plate by adjusting the density and distance of the heating wires, thereby achieving constant temperature at all points on the base plate.

[0037] Optionally, in the eighth embodiment of the combination of heating device 2 and heating detection device 3, the heating device 2 includes an intermediate heating film disposed in the middle region of the lower surface of the base plate 1, and two sets of side heating films disposed in the side end regions on both sides of the intermediate region. The heating detection device 3 includes a set of intermediate temperature sensing probes disposed in the middle region of the lower surface of the base plate 1, and two sets of side temperature sensing probes disposed in the two side end regions. In this eighth embodiment, three heating films are included: a central heating film and two sets of side heating films; and three temperature sensors are included: a central temperature sensor and two sets of side temperature sensors. The structure is simple and can effectively reduce manufacturing costs. At the same time, the local temperature of the base plate at the central heating film is fed back through the central temperature sensor, and the local temperature of the base plate at the side heating films is fed back through the two sets of side temperature sensors. This allows the control system to independently control the central and side temperatures of the base plate, making the central and side temperatures of the base plate infinitely close to the user input temperature. This improves the uniformity and consistency of the overall temperature of the base plate, thereby enhancing the user experience and extending the service life of the base plate.

[0038] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A constant-temperature heating table with a base plate, characterized in that, include: The base plate (1) that provides support, and the heating device (2) and the heating detection device (3) arranged below the base plate (1). The heating element (2) is used to generate heat after being connected to an electric current, so as to heat the base plate (1); The heating detection device (3) is connected to the control system of the heating table to detect the local temperature of the base plate (1) at its setting position and feeds back the temperature detection result to the control system so that the control system adjusts the local temperature of the corresponding position on the base plate (1) according to the received temperature detection result, so that the temperature at each position of the base plate (1) tends to be equal to achieve constant temperature heating of the entire base plate (1).

2. The constant-temperature heating table with a base plate according to claim 1, characterized in that, The heating device (2) includes a set of heating wires, which are arranged in a "sparse in the center and dense in the outer periphery" manner along the entire lower surface area of ​​the base plate (1); The heat detection device (3) includes a set of temperature sensing probes arranged at the center of the lower surface of the base plate (1).

3. The constant-temperature heating table with a base plate according to claim 1, characterized in that, The heating device (2) includes a set of heating wires, which are arranged in a "sparse in the middle and dense on both sides" manner along the entire lower surface area of ​​the base plate (1). The heat detection device (3) includes a set of temperature sensing probes arranged at the center of the lower surface of the base plate (1).

4. The constant-temperature heating table with a base plate according to claim 1, characterized in that, The heating device (2) includes a set of heating wires. The heating wires are arranged in a "center-far and periphery-near" manner along the entire lower surface area of ​​the base plate (1) in the form of a center sinking away from the lower surface of the base plate (1) and an outer periphery convex towards the lower surface of the base plate (1). The heat detection device (3) includes a set of temperature sensing probes arranged at the center of the lower surface of the base plate (1).

5. The constant-temperature heating table with a base plate according to claim 1, characterized in that, The heating device (2) includes a set of heating wires. The heating wires are arranged in a "far from the middle and close to the sides" manner along the entire lower surface area of ​​the base plate (1). The heat detection device (3) includes a set of temperature sensing probes arranged at the center of the lower surface of the base plate (1).

6. The constant-temperature heating table with a base plate according to claim 1, characterized in that, The heating device (2) includes a central heating wire disposed in the central region of the lower surface of the base plate (1), and an outer circular heating wire disposed in the outer peripheral region of the central region; The heat detection device (3) includes a set of central temperature sensing probes arranged in the central area of ​​the lower surface of the base plate (1) and a set of peripheral temperature sensing probes arranged in the peripheral area.

7. The constant-temperature heating table with a base plate according to claim 1, characterized in that, The heating device (2) includes a central heating wire arranged in the middle area of ​​the lower surface of the base plate (1), and two sets of side heating wires arranged in the side areas on both sides of the middle area; The heat detection device (3) includes a set of intermediate temperature probes arranged in the middle area of ​​the lower surface of the base plate (1), and two sets of side temperature probes arranged in the two side areas.

8. The constant-temperature heating table with a base plate according to claim 1, characterized in that, The heating device (2) includes a central heating wire arranged in the central region of the lower surface of the base plate (1), and multiple sets of peripheral heating wires arranged sequentially along the outer periphery of the central region; The heat detection device (3) includes a set of central temperature sensing probes arranged in the central area of ​​the lower surface of the base plate (1), and multiple sets of peripheral temperature sensing probes arranged in each peripheral area.

9. The constant-temperature heating table with a base plate according to any one of claims 6 or 8, characterized in that, The central heating wire is sparser than the peripheral heating wire, or the central heating wire is arranged far away from the lower surface of the base plate (1), while the peripheral heating wire is arranged close to the lower surface of the base plate (1).

10. The constant-temperature heating table with a base plate according to claim 1, characterized in that, The heating device (2) includes an intermediate heating film disposed in the middle area of ​​the lower surface of the base plate (1), and two sets of side heating films disposed in the side end areas on both sides of the intermediate area; The heat detection device (3) includes a set of intermediate temperature probes arranged in the middle area of ​​the lower surface of the base plate (1), and two sets of side temperature probes arranged in the two side areas.

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