Constant-temperature stirrer of electrolytic tank

Abstract

The utility model relates to the technical field of electrolytic tank stirring equipment, and provides an electrolytic tank constant temperature stirrer which comprises a stirring motor, a cooling fin, a stirrer, a stirring magnet and a semiconductor chilling plate, the stirring motor is arranged on the lower side of the cooling fin, and the output end of the stirring motor penetrates through the cooling fin to be fixedly connected with the stirring magnet arranged in the stirrer. One end of the semiconductor chilling plate is arranged in the stirrer, the other end of the semiconductor chilling plate penetrates through the stirrer and is connected with an external temperature control current input end, the semiconductor chilling plate is reasonable in structure, convenient to use and capable of effectively dissipating heat of the whole device, and the semiconductor chilling plate is high in refrigeration speed, accurate in temperature control, high in stability and capable of continuously working for a long time. The electrolytic tank is long in service life, small in occupied space and suitable for precise instruments, and constant temperature of the electrolytic tank is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic cell stirring equipment, in particular to a constant temperature stirrer for an electrolytic cell. Background Art

[0002] The electrolytic cell assembly is an important component of the material composition analysis equipment. Taking the elemental analyzer as an example, the traditional electrolytic cell assembly includes an electrolytic cell, an electrolytic cell fixing base, a stirring motor, a magnetic stirring bar, and a magnetic rotor. The electrolytic cell and the stirring motor are respectively placed on the upper and lower surfaces of the electrolytic cell fixing base. The magnetic rotor is fixed on the output shaft of the stirring motor, and the magnetic stirring bar is installed in the electrolytic cell. Driven by the stirring motor, the magnetic rotor rotates rapidly, and the magnetic stirring bar rotates at a high speed with the magnetic rotor under the action of the magnetic poles, so that the electrolyte in the electrolytic cell is fully and evenly mixed with the gas input therein.

[0003] For example, an electrolytic cell assembly for an elemental analyzer disclosed in the application number: CN201020511472.0 includes an electrolytic cell, an electrolytic cell fixing base, a stirring motor, a magnetic stirring bar, and a magnetic rotor. The electrolytic cell is placed on the electrolytic cell fixing base. The stirring motor is located at a position corresponding to the electrolytic cell below the electrolytic cell fixing base. The magnetic rotor is fixed on the output shaft of the stirring motor. The magnetic stirring bar is installed in the electrolytic cell. A wear-resistant layer is provided at the bottom of the electrolytic cell, and the magnetic stirring bar is placed on the wear-resistant layer.

[0004] However, in order to achieve the constant temperature of the electrolytic cell, when stirring the electrolytic cell, it is necessary to place the stirrer in a constant temperature box, resulting in a large overall equipment volume, high equipment cost, and inconvenient use. Content of the Utility Model

[0005] In order to solve the above problems, the utility model provides a constant temperature stirrer for an electrolytic cell to solve this problem.

[0006] To achieve the above object, the utility model provides the following technical solutions:

[0007] A constant temperature stirrer for an electrolytic cell, comprising: a stirring motor, a heat sink, a stirrer, a stirring magnet, and a semiconductor refrigeration sheet. The stirring motor is arranged on the lower side of the heat sink. The output end of the stirring motor passes through the heat sink and is fixedly connected to the stirring magnet arranged in the stirrer. One end of the semiconductor refrigeration sheet is arranged in the stirrer, and the other end of the semiconductor refrigeration sheet passes through the stirrer and is connected to the external temperature control current input end.

[0008] Preferably, the other end of the semiconductor refrigeration sheet is closely attached to the heat sink.

[0009] Preferably, a fixing frame is arranged at the bottom of the stirring motor.

[0010] Preferably, a groove is provided at the top of the stirrer, the stirring magnet is rotatably arranged in the groove, and a stirrer cover fixedly installed on the stirrer is further provided above the stirring magnet.

[0011] Preferably, the heat sink is composed of a plurality of fins arranged in a uniform array.

[0012] The advantages of the present utility model are as follows: By using a semiconductor refrigeration sheet to replace the constant temperature box, the temperature at the electrolytic cell is made constant through the semiconductor refrigeration sheet. By using the heat sink, the stirring motor can be cooled, and the hot end of the semiconductor refrigeration sheet can also be cooled, and the cooling effect is good, which can effectively avoid the influence of the heat source on the temperature of the electrolytic cell. Description of the Drawings

[0013] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0014] Figure 1 is the front view of the present utility model;

[0015] Figure 2 is the structural axonometric view of the present utility model;

[0016] Figure 3 is the structural axonometric view of the stirrer of the present utility model;

[0017] Figure 4 is the structural axonometric view of the fixing frame of the present utility model.

[0018] Description of the Reference Numerals:

[0019] 1, stirring motor; 2, heat sink; 3, stirrer; 4, stirring magnet; 5, semiconductor refrigeration sheet; 6, fixing frame; 31, groove; 7, stirrer cover. Detailed Embodiments

[0020] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present utility model. In addition, terms such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise stated, the meaning of "a plurality" is two or more.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific circumstances.

[0023] Example 1, in combination with Figure 1 and Figure 2 is described as follows:

[0024] An electrolytic cell thermostatic stirrer, characterized in that it includes: a stirring motor 1, a heat sink 2, a stirrer 3, a stirring magnet 4, and a semiconductor refrigeration sheet 5. The stirring motor 1 is arranged on the lower side of the heat sink 2. The output end of the stirring motor 1 passes through the heat sink 2 and is fixedly connected to the stirring magnet 4 arranged inside the stirrer 3. The heat sink 2 is rectangular as a whole, which is convenient to be placed on the placement platform and is not easy to fall. A groove for placing the stirring motor 1 is provided inside the heat sink 2. One end of the semiconductor refrigeration sheet 5 is arranged inside the stirrer 3, and the other end of the semiconductor refrigeration sheet 5 passes through the stirrer 3 and is connected to the external temperature control current input end. The semiconductor refrigeration sheet 5 plays the role of maintaining the temperature in the electrolytic cell constant, and well replaces the constant temperature box. The heat sink 2 plays the role of dissipating heat from the stirring motor 1, which is beneficial to avoiding the influence of heat on the electrolytic cell.

[0025] Example 2, on the basis of Example 1, in combination with Figure 1 and Figure 2 is described as follows:

[0026] The other end of the semiconductor refrigeration sheet 5 is closely attached to the heat sink 2. With this arrangement, it is convenient for the heat sink 2 to dissipate the heat of the hot end of the semiconductor refrigeration sheet 5.

[0027] Embodiment 3, based on Embodiment 2, in combination with Figure 1 and Figure 2 is described as follows:

[0028] A fixing frame 6 is provided at the bottom of the stirring motor 1. The fixing frame 6 is fixedly connected to the stirring motor 1 by screws, and the fixing frame 6 is connected to the placement plane by screws. Using the fixing frame 6 can improve the stability of the device.

[0029] Embodiment 4, based on Embodiment 3, in combination with Figure 1 and Figure 2 is described as follows:

[0030] A groove 31 is formed at the top of the stirrer 3. The stirring magnet 4 is rotatably arranged in the groove 31. Above the stirring magnet 4, there is also a stirrer cover 7 fixedly installed on the stirrer 3. With this arrangement, the stirring magnet 4 is an annular magnet, the stirrer cover 7 prevents dust from falling into the interior of the stirrer 3, and the stirring magnet 4 can be used to agitate the electrolyte.

[0031] Embodiment 5, based on Embodiment 4, in combination with Figure 1 and Figure 2 is described as follows:

[0032] The heat sink 2 is composed of a plurality of fins arranged in a uniform array. With this arrangement, the heat dissipation effect is good.

[0033] The working principle of the present utility model: When the present utility model is in use, the stirring motor 1 is started. The stirring motor 1 drives the stirring magnet 4 to rotate around the coupling shaft through the coupling shaft, thereby driving the solution in the electrolytic cell arranged above the stirrer 3 to rotate. The semiconductor refrigeration sheet 5 is arranged in the electrolytic cell to facilitate maintaining the temperature of the electrolytic cell constant. The heat sink 2 is arranged around the stirring motor 1 to dissipate heat from the stirring motor 1, so as to ensure the temperature of the entire device is constant. The structure of the present utility model is reasonable and easy to use, and can effectively dissipate heat from the entire device. Moreover, the semiconductor refrigeration sheet 5 has a fast refrigeration speed, accurate temperature control, high stability, can work continuously for a long time, has a long service life, occupies a small space, is suitable for precision instruments, and ensures the temperature of the electrolytic cell is constant.

[0034] For those skilled in the art, the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claimed claim.

[0035] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any minor modifications, equivalent replacements, and improvements made to the above embodiments based on the technical essence of the present utility model shall be included within the protection scope of the technical solution of the present utility model.

Claims

1. An electrolytic cell constant temperature stirrer, characterized in that, Comprising: A stirring motor (1), a heat sink (2), a stirrer (3), a stirring magnet (4) and a semiconductor refrigeration sheet (5). The stirring motor (1) is arranged on the lower side of the heat sink (2). The output end of the stirring motor (1) passes through the heat sink (2) and is fixedly connected to the stirring magnet (4) arranged in the stirrer (3). One end of the semiconductor refrigeration sheet (5) is arranged in the stirrer (3), and the other end of the semiconductor refrigeration sheet (5) passes through the stirrer (3) and is connected to the external temperature control current input end.

2. The electrolytic cell thermostatic stirrer according to claim 1, characterized in that, The other end of the semiconductor refrigeration sheet (5) is closely attached to the heat sink (2).

3. The electrolytic cell thermostatic stirrer according to claim 1, characterized in that, A fixing frame (6) is arranged at the bottom of the stirring motor (1).

4. An electrolytic cell thermostatic stirrer according to claim 1, characterized in that, A groove (31) is formed at the top of the stirrer (3). The stirring magnet (4) is rotatably arranged in the groove (31). A stirrer cover (7) fixedly installed on the stirrer (3) is further arranged above the stirring magnet (4).

5. The electrolytic cell thermostat stirrer according to claim 1, characterized in that, The heat sink (2) is composed of a plurality of fins arranged in a uniform array.

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