Magnetic heat absorption cover adaptive to constant-temperature metal bath

Abstract

The utility model belongs to the technical field of metal bath equipment, and discloses a magnetic heat absorption cover adaptive to a constant-temperature metal bath, which comprises an inner shell and an outer shell, a circuit board is fixedly mounted in the inner shell, a heating sheet is mounted at the bottom of the circuit board, an aluminum block is fixedly connected to the bottom of the heating sheet, and the aluminum block is fixedly connected to the outer shell. A temperature measuring probe is arranged in the middle of the top end of the aluminum block, the top end of the temperature measuring probe penetrates through the heating piece and the circuit board and extends to the position above the circuit board, the top face of the circuit board is fixedly connected with an over-temperature protector, and the inner shell and the outer shell are movably connected in a clamped mode. According to the magnetic heat absorption cover, the aluminum block, the heating piece, the circuit board and other structures are matched, electronic temperature control is achieved, the temperature is kept consistent with the temperature of a constant-temperature metal bath module, when the heat cover is used, the silica gel gasket can reduce collision between the heat cover and a machine body when the heat cover is placed, and the magnetic heat absorption cover is fully matched with a constant-temperature metal bath; and the probability that potential safety hazards are easily generated after electronic temperature control is out of control is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal bath equipment, in particular to a magnetic heat-absorbing cover adapted for a constant-temperature metal bath. Background Art

[0002] The metal bath is a microcomputer-controlled thermostat that uses high-purity aluminum as a heat-conducting medium to replace traditional water baths and other devices. It has the characteristics of beautiful appearance, ease of use, and high precision. It can be widely used in sample storage and reactions. The hot cover is used in conjunction with the metal bath to cover the outside of the heating module to generate heat and make the internal temperature uniform.

[0003] Most existing metal baths are not equipped with heated covers, making it impossible to evenly heat the sample tubes. This can easily cause uneven heating at the top and bottom of the sample tubes, leading to sample evaporation and mutual contamination of different reagent solutions. At the same time, existing solutions mostly use metal heat-conducting modules for separate heating, which can easily cause the top of the tube to be cold and the bottom to be hot, causing sample evaporation, contamination, and tube bursting. There is a lack of corresponding over-temperature protectors, which can easily create safety hazards when temperature control fails. The positioning function of the heated cover is poor, which can easily cause the heated cover to collide with the body of the machine, damaging the product, so it needs to be improved. Utility Model Content

[0004] In order to solve the problems proposed in the above background technology, most of the existing solutions are to heat the metal heat conducting module separately, which may easily cause the test tube to be cold on the top and hot on the bottom, resulting in evaporation of the sample in the tube, contamination and tube burst; the existing solutions lack a physical over-temperature protector, and may easily cause safety hazards after the electronic temperature control is out of control; the existing heat cover solution has no magnetic suction function, which makes it inconvenient to position the heat cover and easily causes collisions with the fuselage. The utility model provides a magnetic heat absorption cover suitable for a constant temperature metal bath.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a magnetic heat-absorbing cover adapted for a constant-temperature metal bath, comprising an inner shell and an outer shell, a circuit board fixedly mounted inside the inner shell, a heating plate mounted at the bottom of the circuit board, an aluminum block fixedly connected to the bottom of the heating plate, a temperature measuring probe provided in the middle of the top end of the aluminum block, the top end of the temperature measuring probe passing through the heating plate and the circuit board and extending to above the circuit board, an over-temperature protector fixedly connected to the top surface of the circuit board, and the inner shell and the outer shell movably snap-connected.

[0006] Preferably, two rectangular grooves are symmetrically opened on both sides of the bottom surface of the inner shell, and silicone gaskets are installed inside the two rectangular grooves. The silicone gaskets protect the thermal cover, thereby greatly reducing the collision between the thermal cover and the fuselage when the thermal cover is placed.

[0007] Preferably, magnets are installed at the four corners of the top surface of the inner shell. The four magnets are of the same size and are cylindrical. The four magnets can magnetically attract the hot cover to a fixed position in the metal bath, which is convenient and quick to place, accurately positioned, and easy to operate.

[0008] Preferably, a connecting wire is movably connected to one side of the inner shell, and the connecting wire is electrically connected to the circuit board.

[0009] Preferably, the inner shell and the outer shell fix the connecting wire, and one end of the connecting wire away from the inner shell is electrically connected to the adapter body.

[0010] Preferably, the four corners of the outer shell are arc-shaped and trapezoidal, and cavities are provided inside the outer shell and the inner shell.

[0011] Preferably, the bottom surface size of the inner shell is smaller than the bottom surface size of the outer shell, and the contact ends of the two are engaged with each other.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] The utility model realizes electronic temperature control by arranging the coordination of structures such as aluminum blocks, heating plates and circuit boards, thereby maintaining the temperature consistent with the constant temperature metal bath module, making the temperatures above and below the test tubes balanced and preventing the evaporation and condensation of water in the test tubes; a physical over-temperature protector is provided to prevent the heating circuit from losing control and causing excessive temperature; the heat cover has a built-in magnet, which can be magnetically attracted to a fixed position in the metal bath, and is convenient and quick to place and accurately positioned; a silicone gasket is provided at the bottom, and when the heat cover is used, the silicone gasket can reduce the collision between the heat cover and the body when the heat cover is placed. The magnetic heat cover is fully adapted to the constant temperature metal bath, reducing the probability of safety hazards caused by the loss of control of the electronic temperature control. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 3 This is a front cross-sectional structural diagram of the present utility model;

[0017] Figure 4 This is a schematic diagram of the side sectional structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the structural coordination relationship between the inner shell and the circuit board of the utility model;

[0019] Figure 6 This is a schematic diagram of the structural coordination relationship between the magnet and the inner shell of the utility model;

[0020] Figure 7 It is a schematic diagram of the overall explosion structure of the utility model.

[0021] In the figure: 1. Inner shell; 2. Magnet; 3. Aluminum block; 4. Temperature probe; 5. Heating plate; 6. Circuit board; 7. Outer shell; 8. Connecting wire; 9. Silicone gasket; 10. Over-temperature protector. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] like Figures 1 to 7 As shown, the utility model provides a magnetic heat-absorbing cover adapted for a constant-temperature metal bath, comprising an inner shell 1 and an outer shell 7. A circuit board 6 is fixedly installed inside the inner shell 1, a heating plate 5 is installed at the bottom of the circuit board 6, an aluminum block 3 is fixedly connected to the bottom of the heating plate 5, a temperature measuring probe 4 is provided in the middle of the top of the aluminum block 3, the top of the temperature measuring probe 4 passes through the heating plate 5 and the circuit board 6 and extends to the top of the circuit board 6, the top surface of the circuit board 6 is fixedly connected to an over-temperature protector 10, and the inner shell 1 and the outer shell 7 are movably connected.

[0024] The above solution is adopted: the design of the over-temperature protector 10 realizes physical temperature control to prevent safety hazards caused by excessive temperature.

[0025] like Figure 2 and Figure 6 As shown, two rectangular grooves are symmetrically opened on both sides of the bottom surface of the inner shell 1, and silicone gaskets 9 are installed inside the two rectangular grooves.

[0026] The above solution is adopted: by installing two silicone gaskets 9 on both sides of the bottom of the inner shell 1, when the thermal cover is installed and placed, due to the limitation of the material of the silicone gasket 9, it has a certain tension and has excellent insulation, pressure resistance, high temperature resistance, and low temperature resistance, the stability of the thermal cover is improved, the thermal cover is protected, and the collision between the thermal cover and the fuselage when the thermal cover is placed can be greatly reduced.

[0027] like Figures 5 to 7 As shown, magnets 2 are installed at the four corners of the top surface of the inner shell 1. The four magnets 2 are of the same size and are cylindrical.

[0028] With the above solution, the heat cover can be magnetically attracted to a fixed position of the metal bath through the design of four magnets 2, which is convenient and fast to place, with accurate positioning and easy operation.

[0029] like Figure 2 、 Figures 4 to 6 As shown, a connecting wire 8 is movably connected to one side of the inner shell 1, and the connecting wire 8 is electrically connected to the circuit board 6. The inner shell 1 and the magnet 2 fix the connecting wire 8, and the end of the connecting wire 8 away from the inner shell 1 is electrically connected to the adapter body.

[0030] like Figures 1 to 4 and Figure 7 As shown, the four corners of the outer shell 7 are arc-shaped and trapezoidal. There are cavities inside the outer shell 7 and the inner shell 1. The bottom surface size of the inner shell 1 is smaller than the bottom surface size of the outer shell 7, and the contact ends of the two are clamped with each other.

[0031] The above solution is adopted: the design of the four corners of the outer shell 7 is curved, which not only makes the appearance beautiful but also saves the use cost. The material of the four corners of the curved surface adopts a reinforced design to improve the hardness of the heat cover. The cavity design inside the outer shell 7 and the inner shell 1 is more conducive to the subsequent installation and use of the heat cover.

[0032] The working principle and use process of this utility model:

[0033] The heat cover is positioned by the magnet 2 to avoid blind placement causing collision between the heat cover and the fuselage. The heating plate 5 is powered on to generate heat and conduct heat to the aluminum block 3. At the same time, the temperature probe 4 installed on the aluminum block 3 monitors the temperature changes of the aluminum block 3 in real time. When the temperature is too high, the over-temperature protector 10 will monitor the temperature changes and realize physical temperature control to prevent safety hazards caused by excessive temperature. At the same time, one end of the connecting line 8 is connected to the adapter body.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic heat absorbing cover adapted for a constant temperature metal bath, comprising an inner shell (1) and an outer shell (7), characterized in that: A circuit board (6) is fixedly mounted inside the inner shell (1), a heating plate (5) is mounted at the bottom of the circuit board (6), an aluminum block (3) is fixedly connected to the bottom of the heating plate (5), a temperature measuring probe (4) is arranged in the middle of the top of the aluminum block (3), the top of the temperature measuring probe (4) passes through the heating plate (5) and the circuit board (6) and extends to the top of the circuit board (6), an over-temperature protector (10) is fixedly connected to the top surface of the circuit board (6), and the inner shell (1) and the outer shell (7) are movably connected.

2. The magnetic heat absorbing cover adapted for a constant temperature metal bath according to claim 1, characterized in that: Two rectangular grooves are symmetrically provided on both sides of the bottom surface of the inner shell (1), and silicone gaskets (9) are installed inside the two rectangular grooves.

3. The magnetic heat absorbing cover adapted for a constant temperature metal bath according to claim 1, characterized in that: Magnets (2) are installed at the four corners of the top surface of the inner shell (1); the four magnets (2) are of the same size and are cylindrical.

4. The magnetic heat absorbing cover adapted for a constant temperature metal bath according to claim 1, characterized in that: A connecting wire (8) is movably clamped on one side of the inner shell (1), and the connecting wire (8) is electrically connected to the circuit board (6).

5. The magnetic heat absorbing cover adapted for a constant temperature metal bath according to claim 4, characterized in that: The inner shell (1) and the outer shell (7) fix the connecting wire (8), and one end of the connecting wire (8) away from the inner shell (1) is electrically connected to the adapter body.

6. The magnetic heat absorbing cover adapted for a constant temperature metal bath according to claim 1, characterized in that: The four corners of the outer shell (7) are in the shape of arc surfaces and trapezoids, and cavities are provided inside the outer shell (7) and the inner shell (1).

7. The magnetic heat absorbing cover adapted for a constant temperature metal bath according to claim 1, characterized in that: The bottom surface size of the inner shell (1) is smaller than the bottom surface size of the outer shell (7), and the contact ends of the two are mutually engaged.

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