Electric heating plate capable of automatically adjusting heating temperature

Abstract

The utility model provides an electric heating plate capable of automatically adjusting heating temperature, comprising a crucible and an electric heating wire, the lower end of the crucible is provided with a group of support plates used for supporting the lower end of the crucible, the upper end of each support plate is internally provided with a caulking groove used for limiting the position of the lower end of the crucible, and the electric heating wire is arranged in the caulking groove. The lower end of the supporting plate is provided with a set of thermal insulation bases used for supporting the bottom of the lower end of the supporting plate, the lower ends of the thermal insulation bases are provided with a set of force guiding columns used for supporting the lower ends of the thermal insulation bases, and the lower ends of the force guiding columns are provided with a set of force guiding plates used for bearing the force guiding columns. Compared with the prior art, the device has the advantages that the force guiding plate is used for bearing the pressure of the force guiding column, the return spring is used for upwards bouncing and returning the supporting plate, the lower weighing plate is used for measuring the internal weight of the crucible, and the controller is used for adjusting the voltage of the electric heating wire according to the internal weight of the crucible.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric hot plates, and relates to an electric hot plate capable of automatically adjusting the heating temperature. Background Art

[0002] During the process of wet dissolving ores, an electric hot plate is an indispensable heating device. In the laboratory or industrial production process of wet dissolving ores, the electric hot plate provides the necessary heat source for ore digestion. Through the uniform heating of the electric hot plate, the ore sample can react with the dissolving agent quickly and effectively, thereby releasing the required metal elements or compounds. However, if the electric hot plate cannot adjust the temperature in real time according to the remaining acid weight in the crucible, a series of problems may occur, seriously affecting the accuracy and efficiency of the experiment.

[0003] Improper control of the temperature may lead to incomplete digestion or over-digestion. If the temperature is too low, the speed of the digestion reaction will slow down, and it may take a longer time to complete the digestion, thus increasing the time and cost of the experiment. On the contrary, if the temperature is too high, some elements in the ore may volatilize and be lost, or too much acid gas may be generated, threatening the safety of the experimenters and the experimental environment. Therefore, there is an urgent need for an electric hot plate capable of automatically adjusting the heating temperature to solve the above problems. Summary of the Invention

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide an electric hot plate capable of automatically adjusting the heating temperature to solve the problems raised in the above background art.

[0005] The utility model is realized through the following technical solutions: an electric hot plate capable of automatically adjusting the heating temperature, comprising: a crucible and an electric heating wire, and a group of support plates for supporting the lower end of the crucible are arranged at the lower end of the crucible;

[0006] An embedding groove for restricting the position of the lower end of the crucible is arranged inside the upper end of the support plate, and a group of heat insulation seats for supporting the bottom of the lower end of the support plate are arranged at the lower end of the support plate;

[0007] A group of guide force columns for supporting the lower end of the heat insulation seat are arranged at the lower end of the heat insulation seat, and a group of guide force plates for bearing the guide force columns are arranged at the lower ends of the guide force columns, and the guide force plates can be used to bear the pressure of the guide force columns.

[0008] As a preferred embodiment, a group of pressure support columns for conducting gravity to the lower weighing plate are arranged on both the left and right sides of the lower end of the guide force plate, and a group of return springs for springing the support plate upward for resetting are arranged outside the pressure support columns, and the support plate can be sprung upward for resetting by using the return springs.

[0009] As a preferred embodiment, a set of bearing plates for conducting the pressure support columns is provided at the lower end of the return spring, and a set of lower weighing plates for measuring the weight inside the crucible is provided at the lower end of the bearing plate, and the weight inside the crucible can be measured by using the lower weighing plates.

[0010] As a preferred embodiment, a set of side limit plates for limiting the lower weighing plate are provided on both the front and rear sides of the lower weighing plate, and an electronic scale for weighing the weight of the lower weighing plate is provided at the lower end of the lower weighing plate.

[0011] As a preferred embodiment, a set of display screens for facilitating the staff to directly read the weight are provided on the front side of the electronic scale. The display screen and the electronic scale are of an integral structure, and a controller for reading the weight of the crucible is provided inside the electronic scale.

[0012] As a preferred embodiment, a set of connector two for transmitting weight data is provided on the left side of the controller, and two sets of connector two for adjusting the voltage of the electric heating wire are provided on the left side of the support plate. The connector one and the connector two are respectively connected to the controller through a set of wires, and the voltage of the electric heating wire can be adjusted according to the weight inside the crucible by using the controller.

[0013] As a preferred embodiment, an electric heating wire for increasing the heating temperature of the crucible is arranged inside the embedded groove. The upper end of the electric heating wire is attached to the lower surface of the crucible, and the crucible and the inside of the embedded groove are mutually embedded.

[0014] After adopting the above technical solutions, the beneficial effects of the present utility model are: the bearing of the pressure of the guide column is carried out by using the force guide plate, the support plate is bounced back to its original position by using the return spring, the weight inside the crucible is measured by using the lower weighing plate, and the voltage of the electric heating wire is adjusted according to the weight inside the crucible by using the controller. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0016] Figure 1 It is a right-angled front-side top view structural schematic diagram of an electric heating plate with automatically adjustable heating temperature according to the present utility model;

[0017] Figure 2 It is a right-angled front-side top view structural schematic diagram of the embedded groove in an electric heating plate with automatically adjustable heating temperature according to the present utility model;

[0018] Figure 3 This is the front view structural schematic diagram of the lower end of the middle support plate of an electric hot plate with an automatically adjustable heating temperature according to the present utility model;

[0019] Figure 4 This is the top view structural schematic diagram of the middle support plate of an electric hot plate with an automatically adjustable heating temperature according to the present utility model;

[0020] In the figure: 100 - crucible, 110 - support plate, 120 - lower weighing plate, 130 - side limit plate, 140 - electronic scale, 150 - display screen, 160 - embedding groove, 170 - connector one, 180 - connector two, 190 - heat insulation seat, 200 - pressure support column, 210 - return spring, 220 - force guiding column, 230 - force guiding plate, 240 - electric heating wire. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the scope of protection of the present utility model.

[0022] Please refer to Figures 1 - 4 , an electric hot plate with an automatically adjustable heating temperature, comprising: a crucible 100, an electronic scale 140, a return spring 210, and an electric heating wire 240. A set of support plates 110 for supporting the lower end of the crucible 100 are provided at the lower end of the crucible 100;

[0023] An embedding groove 160 for restricting the position of the lower end of the crucible 100 is provided inside the upper end of the support plate 110, and a set of heat insulation seats 190 for supporting the bottom of the lower end of the support plate 110 are provided at the lower end of the support plate 110;

[0024] A set of force guiding columns 220 for supporting the lower end of the heat insulation seat 190 are provided at the lower end of the heat insulation seat 190, and a set of force guiding plates 230 for carrying the force guiding columns 220 are provided at the lower end of the force guiding columns 220, and the force guiding plates 230 can be used to carry the pressure of the force guiding columns 220.

[0025] A set of pressure support columns 200 for conducting gravity to the lower weighing plate 120 are provided on both the left and right sides at the lower end of the force guiding plate 230, and a set of return springs 210 for elastically returning the support plate 110 upward are provided outside the pressure support columns 200, and the return springs 210 can be used to elastically return the support plate 110 upward.

[0026] A set of bearing plates for conducting the pressure support column 200 are provided at the lower end of the return spring 210. A set of lower weighing plates 120 for measuring the internal weight of the crucible 100 are provided at the lower end of the bearing plates. The internal weight of the crucible 100 can be measured by using the lower weighing plates 120.

[0027] A set of side limit plates 130 for limiting the lower weighing plates 120 are provided on both the front and rear sides of the lower weighing plates 120. A set of electronic scales 140 for weighing the weight of the lower weighing plates 120 are provided at the lower end of the lower weighing plates 120.

[0028] A set of display screens 150 for facilitating the staff to directly read the weight are provided on the front side of the electronic scales 140. The display screens 150 and the electronic scales 140 are of an integral structure. A controller for reading the weight of the crucible 100 is provided inside the electronic scales 140.

[0029] A set of connector two 180 for transmitting weight data are provided on the left side of the controller. Two sets of connector two 180 for adjusting the voltage of the electric heating wire 240 are provided on the left side of the support plate 110. The connector one 170 and the connector two 180 are respectively connected to the controller through a set of wires. The voltage of the electric heating wire 240 can be adjusted according to the internal weight of the crucible 100 by using the controller.

[0030] An electric heating wire 240 for increasing the heating temperature of the crucible 100 is provided inside the slot 160. The upper end of the electric heating wire 240 is in contact with the lower surface of the crucible 100, and the crucible 100 and the inside of the slot 160 are mutually embedded.

[0031] Please refer to Figures 1 - 4 , as the first embodiment of the present utility model: To solve the problem that inappropriate control of temperature may lead to incomplete digestion or over-digestion. If the temperature is too low, the speed of the digestion reaction will slow down, and it may take a longer time to complete the digestion, thus increasing the time and cost of the experiment. On the contrary, if the temperature is too high, some elements in the ore may volatilize and be lost, or too much acid gas may be generated, threatening the safety of the experimental personnel and the experimental environment. Since a controller for reading the weight of the crucible 100 is provided inside the electronic scales 140, and a set of connector two 180 for transmitting weight data are provided on the left side of the controller, and two sets of connector two 180 for adjusting the voltage of the electric heating wire 240 are provided on the left side of the support plate 110. When the staff needs to dissolve the ore by the four-acid method, the ore and the acid raw materials are put into the crucible 100. The controller can read the weight of the crucible 100 through the electronic scales 140. When the acid raw materials dissolve the ore, the electronic scales 140 can display the real-time change in the weight inside the crucible 100. The controller then controls the voltage level of the electric heating wire 240 in the electric heating plate according to the change amount of the weight of the crucible 100, so as to evaporate different acids according to the different melting points of the acids.

[0032] Please refer to Figures 1 - 4 for the second embodiment of the present utility model: Based on the description in the above embodiment, further, when the weight of the crucible 100 is borne by the support plate 110, its guide pillars 220 and guide plates 230 will support the weight of the crucible 100, and transfer it to the lower weighing plate 120 through the pressure support pillar 200, and the change in the weight of the crucible 100 is measured by the lower weighing plate 120 and the electronic scale 140. At the same time, its return spring 210 can always maintain the height position of the crucible 100 to prevent the crucible 100 from tilting and affecting the ore dissolution efficiency.

[0033] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An electric heating plate capable of automatically adjusting the heating temperature, comprising: A crucible (100), an electronic scale (140), a display screen (150), a return spring (210), and an electric heating wire (240), characterized in that a group of support plates (110) for supporting the lower end of the crucible (100) are provided at the lower end of the crucible (100); An embedding groove (160) for limiting the position of the lower end of the crucible (100) is provided inside the upper end of the support plate (110), and a group of temperature-insulating seats (190) for supporting the bottom of the lower end of the support plate (110) are provided at the lower end of the support plate (110); A group of force guide columns (220) for supporting the lower end of the temperature insulation seat (190) are provided at the lower end of the temperature insulation seat (190), and a group of force guide plates (230) for supporting the force guide columns (220) are provided at the lower end of the force guide columns (220).

2. The electric heating plate capable of automatically adjusting the heating temperature according to claim 1, characterized in that: A group of pressure support columns (200) for transmitting gravity to the lower weighing plate (120) are provided on both left and right sides of the lower end of the force guide plate (230), and a group of return springs (210) for returning the support plate (110) to its original position are provided on the outer sides of the pressure support columns (200).

3. The electric heating plate capable of automatically adjusting the heating temperature according to claim 2, characterized in that: A group of pressure-bearing plates for transmitting the pressure support column (200) are provided at the lower end of the return spring (210), and a group of lower weighing plates (120) for measuring the internal weight of the crucible (100) are provided at the lower end of the pressure-bearing plates.

4. The electric heating plate capable of automatically adjusting the heating temperature according to claim 3, characterized in that: A group of side limit plates (130) for limiting the position of the lower weighing plate (120) are provided on both the front and rear sides of the lower weighing plate (120), and a group of electronic scales (140) for weighing the weight of the lower weighing plate (120) are provided at the lower end of the lower weighing plate (120).

5. The electric heating plate capable of automatically adjusting the heating temperature according to claim 4, characterized in that: A set of display screens (150) for workers to directly read the weight is provided on the front side of the electronic scale (140); the display screen (150) and the electronic scale (140) are an integrated structure; and a controller for reading the weight of the crucible (100) is provided inside the electronic scale (140).

6. The electric heating plate capable of automatically adjusting the heating temperature according to claim 5, characterized in that: A group of connectors (180) for transmitting weight data are provided on the left side of the controller, and two groups of connectors (180) for adjusting the voltage of the electric heating wire (240) are provided on the left side of the support plate (110). The connectors (170) and (180) are respectively connected to the controller via a group of wires.

7. The electric heating plate capable of automatically adjusting the heating temperature according to claim 1, characterized in that: An electric heating wire (240) for increasing the heating temperature of the crucible (100) is arranged inside the embedding groove (160); the upper end of the electric heating wire (240) is in contact with the lower end surface of the crucible (100), and the crucible (100) and the inside of the embedding groove (160) are mutually embedded.

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