Electric heating constant-temperature water bath kettle

Abstract

An electric heating constant-temperature water bath kettle belongs to the technical field of water bath kettles and comprises a water bath box, a controller is mounted on the front side wall of the water bath box, a water level monitoring unit is arranged in the water bath box and comprises a mounting plate, two placement bins are vertically mounted at the top end of the mounting plate, and through grooves are symmetrically formed in the left side wall and the right side wall of each placement bin; a touch switch is installed at the bottom end of the inner wall of each containing bin. The water level in the water bath box can be monitored in real time, the dry burning phenomenon of equipment caused by untimely water adding is avoided, the safety of the equipment is higher, manual real-time observation is not needed, reminding can be realized through the change of the water level in the equipment, the equipment is more intelligent and convenient, the height of the light touch switch can be adjusted, and the equipment is more convenient to use. The water level monitoring requirements of different heights in experiments under different conditions are met, the equipment universality is higher, the first separation blade and the second separation blade can automatically recover to the horizontal state after the ball is placed, and the top end of the placing bin does not need to be manually closed.

Description

Technical Field

[0001] This utility model belongs to the field of water bath technology, specifically relating to an electric thermostatic water bath. Background Technology

[0002] Constant temperature water baths are widely used for drying, concentration, distillation, and impregnation of chemical reagents, pharmaceuticals, and biological agents. They can also be used for constant temperature heating in water baths and other temperature tests. They are an essential tool for education and research in biological, genetic, virological, aquatic, environmental, medical, health, and biochemical laboratories and analytical rooms.

[0003] The related technology (publication number CN220559262U) discloses an electric heating constant temperature water bath. The test tube is inserted into the heating chamber and assembled with the arc-shaped notch on the cross block, which is more convenient. At the same time, the spring and elastic pad can clamp and fix larger containers. The integrated design can place test tubes and other containers, saving time and effort. There is no need for hangers or other supports, which improves the use effect and makes it more convenient to use.

[0004] The aforementioned water baths, as well as some existing water baths on the market, lack the function of monitoring the water level inside the water bath during use. In the process of continuous experimentation, the water in the water bath gradually decreases during evaporation. If water is not added in time, it is easy to cause the water bath to dry out, which may pose a certain safety hazard. Utility Model Content

[0005] To address the shortcomings of existing water baths on the market, such as the lack of water level monitoring, which leads to water level reduction during evaporation and potential dry-burning if water is not replenished promptly, posing safety hazards, this invention provides an electrically heated constant-temperature water bath that can monitor the water level in real time. This prevents dry-burning caused by insufficient water replenishment, enhancing safety and eliminating the need for manual monitoring. The system provides alerts based on changes in the water level, making it more intelligent and convenient. The specific technical solution is as follows:

[0006] An electric thermostatic water bath includes a water bath tank. A controller is installed on the front side wall of the water bath tank. A water level monitoring unit is installed inside the water bath tank. The water level monitoring unit includes a mounting plate. Two placement chambers are vertically installed on the top of the mounting plate. Each placement chamber has symmetrical through slots on its left and right side walls. A tactile switch is installed at the bottom of the inner wall of each placement chamber. A through cavity is opened from top to bottom in each placement chamber. A sphere is placed in the through cavity of each placement chamber. A cover assembly is provided at the top of each placement chamber to close the top of the placement chamber.

[0007] The density of the sphere is less than that of water.

[0008] In the above technical solution, the cover assembly includes a first rotating rod rotatably connected to the inner wall of the front side of the placement compartment. A first baffle is fixedly installed on the first rotating rod. The end of the first rotating rod extends out of the side wall of the placement compartment. A first coil spring is installed on the side wall of the placement compartment. One end of the first coil spring is connected to the end of the first rotating rod extending out of the placement compartment, and the other end of the first coil spring is connected to the side wall of the placement compartment. The cover assembly also includes a second rotating rod rotatably connected to the inner wall of the rear side of the placement compartment. A second baffle adapted to the shape of the first baffle is fixedly installed on the second rotating rod. The end of the second rotating rod extends out of the side wall of the placement compartment. A second coil spring is installed on the side wall of the placement compartment. One end of the second coil spring is connected to the end of the second rotating rod extending out of the placement compartment, and the other end of the second coil spring is connected to the side wall of the placement compartment.

[0009] In this configuration, the second baffle and the first baffle are in a closed state to form a shielding plane.

[0010] In the above technical solution, an adjustment assembly is provided inside the water bath. The adjustment assembly includes a first groove vertically formed on the rear side of the inner wall of the water bath. A limit rod is vertically and fixedly installed in the first groove. A second slider is slidably sleeved on the limit rod. A second groove vertically formed on the front side of the inner wall of the water bath. A screw is rotatably connected in the second groove. A first slider is threadedly sleeved on the screw. The first slider and the second slider are respectively fixedly connected to the front and rear side walls of the mounting plate.

[0011] In the above technical solution, support blocks are installed at the four corners of the inner cavity of the water bath, and a horizontal plate is placed on the support block. Several water passage holes are opened on the horizontal plate.

[0012] In the above technical solution, a drive shaft is rotatably connected to the middle of the water bath in a vertical direction. Multiple mounting rods are fixedly installed on the drive shaft, and multiple blades are installed on the side wall of each mounting rod. The bottom end of the drive shaft extends out of the bottom of the water bath and is connected to a power component.

[0013] In the above technical solution, the power component includes a first pulley installed below the drive shaft, and a rotating shaft rotatably connected to the lower surface of the water bath. A second pulley is installed on the rotating shaft, and belts are fitted on the first pulley and the second pulley. A motor is installed below the water bath via a motor frame, and the output end of the motor is connected to the rotating shaft.

[0014] In the above technical solution, support plates are symmetrically installed on the left and right inner walls of the water bath tank, and the two support plates are respectively installed at the top of the inner wall of the water bath tank, with a cover placed on the top of the support plate;

[0015] The support plate is located below the top edge of the water bath, and the upper surface of the cover is level with the top edge of the water bath.

[0016] In the above technical solution, support columns are installed at the four corners of the bottom of the water bath tank.

[0017] The advantages of this electric thermostatic water bath compared to existing technologies are as follows:

[0018] I. Some existing water baths on the market lack water level monitoring functionality. As the water level gradually decreases during evaporation, failure to replenish water promptly can lead to dry burning, posing a safety hazard. This invention addresses this issue by incorporating a placement chamber, a touch switch, a ball, and a controller. When the water level reaches a preset level, the ball triggers the touch switch to provide a reminder, enabling real-time monitoring of the water level. This prevents dry burning due to delayed water replenishment, enhancing equipment safety. Furthermore, it eliminates the need for manual monitoring, providing alerts simply through changes in the water level, making it more intelligent and convenient.

[0019] Second, by rotating the first and second baffles, this utility model can form a relatively closed space at the top of the placement chamber, preventing the ball from detaching from the inner cavity of the placement chamber. Furthermore, by rotating the first and second baffles downward, the ball can be placed in the placement chamber, and after the ball is placed, the first and second baffles automatically return to a horizontal state, eliminating the need for manual sealing of the top of the placement chamber.

[0020] Third, this utility model can adjust the height of the mounting plate through a screw, a first slider, a second slider, and a limiting rod, thereby adjusting the height of the tactile switch. This allows for flexible adjustment of the tactile switch height according to different experimental times, meeting the water level monitoring needs at different heights under different experimental conditions, and making the equipment more versatile.

[0021] IV. This utility model is equipped with a drive shaft, mounting rod, and blades, which can help the water in the water bath to spread quickly and evenly, so that the water in the water bath can quickly achieve temperature equilibrium and avoid uneven local heat distribution in the water bath, which would affect the heating effect of the sample.

[0022] V. This utility model can support the horizontal plate through the support block, and make the horizontal plate leave enough space between the horizontal plate and the bottom of the inner wall of the water bath for the installation rod and blade to rotate. The installation rod and blade are set below the horizontal plate, which can not only mix the water in the water bath, but also avoid excessive stirring amplitude causing the test bottle above the horizontal plate to shake, thus ensuring the effective conduct of the experiment.

[0023] In summary, this invention can monitor the water level in the water bath in real time, avoiding dry burning of the equipment due to untimely water addition, thus enhancing the safety of the equipment. Furthermore, it eliminates the need for manual observation, providing alerts simply by monitoring changes in the water level, making it more intelligent and convenient. The height of the touch switch is adjustable to meet the water level monitoring needs of different experimental conditions, enhancing the equipment's versatility. Additionally, after placing the sphere, the first and second baffles automatically return to a horizontal state, eliminating the need for manual sealing of the top of the placement chamber. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the water bath tank of this utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the support plate of this utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the horizontal plate of this utility model;

[0027] Figure 4 This is a side view of the mounting plate of this utility model.

[0028] Figure 5 for Figure 4 Enlarged view of point A;

[0029] Figure 6 This is a schematic diagram of the drive shaft of this utility model;

[0030] Figure 7 This is a bottom view of the rotating shaft of this utility model.

[0031] Figures 1 to 7 In the middle, 1. Water bath tank, 2. Controller, 3. Support plate, 4. Cover, 5. First groove, 6. Limiting rod, 7. Second groove, 8. Screw, 9. First slider, 10. Second slider, 11. Mounting plate, 12. Placement compartment, 13. Through groove, 14. Tactile switch, 15. Ball, 16. First rotating rod, 17. First baffle, 18. First coil spring, 19. Second rotating rod, 20. Second baffle, 21. Second coil spring, 22. Support block, 24. Horizontal plate, 25. Water passage hole, 26. Drive shaft, 27. Mounting rod, 28. Blade, 29. First pulley, 30. Rotating shaft, 31. Second pulley, 32. Belt, 33. Motor, 34. Support column. Detailed Implementation

[0032] The following are specific implementation cases and appendices. Figures 1 to 7 The present invention will be further described below, but the present invention is not limited to these embodiments.

[0033] See Figures 1 to 7As shown, an electric thermostatic water bath includes a water bath tank 1. A controller 2 is installed on the front wall of the water bath tank 1. The controller 2 is an existing device that can control the electrically connected components to process and receive corresponding commands. A water level monitoring unit is installed inside the water bath tank 1. The water level monitoring unit can monitor and remind the user of the water level inside the water bath tank 1, preventing the equipment from dry burning due to insufficient water replenishment when the water level inside the water bath tank 1 is too low. The water level monitoring unit includes a mounting plate 11. Two placement chambers 12 are vertically installed on the top of the mounting plate 11. By setting two placement chambers 12, two sets of water level monitoring functions can be set, avoiding the problem of one set of water level monitoring failing to remind the user properly, thus achieving double protection. Each placement chamber 12 has symmetrical through grooves 13 on its left and right side walls, allowing water to accurately and freely enter the placement chamber 12 through the through grooves 13. A tactile switch 14 is installed at the bottom of the inner wall of each placement chamber 12. The tactile switch 14 is an existing device, which is connected to... The controller 12 is electrically connected, and the tactile switch 14 can be triggered by external force, transmitting a signal to the controller 2 for processing and reminder. The placement chamber 12 has a through cavity from top to bottom, and a ball 15 is placed in the through cavity of the placement chamber 12. A cover assembly is provided at the top of the placement chamber 12 to close the top of the placement chamber 12 and prevent the ball 15 from detaching from the inner cavity of the placement chamber 12. The density of the ball 15 is less than that of water. As the water in the water bath 1 evaporates and is consumed, the water in the water bath 1 gradually decreases and the liquid level gradually drops. When the liquid level in the water bath 1 drops, the ball 15 floating on the liquid surface moves downward along the inner cavity of the placement chamber 12. When the ball 15 descends with the liquid level and touches the tactile switch 14, the tactile switch 14 transmits a signal to the controller 2 for display and reminder, indicating that the water level in the water bath 1 has dropped to the tactile switch 14 and water needs to be added in time to prevent the liquid level from continuing to drop and causing the equipment to dry out.

[0034] For details, please refer to [link / reference]. Figures 2 to 4 As shown, the cover assembly includes a first rotating rod 16 rotatably connected to the inner wall of the front side of the placement compartment 12 via a bearing. A first baffle 17 is fixedly installed on the first rotating rod 16. The end of the first rotating rod 16 extends out of the side wall of the placement compartment 12. A first coil spring 18 is installed on the side wall of the placement compartment 12. One end of the first coil spring 18 is connected to the end of the first rotating rod 16 extending out of the placement compartment 12, and the other end of the first coil spring 18 is connected to the side wall of the placement compartment 12. The cover assembly also includes a second rotating rod 19 rotatably connected to the inner wall of the rear side of the placement compartment 12 via a bearing. A second baffle 20 with a shape adapted to the first baffle 17 is fixedly installed on the second rotating rod 19. The end of the second rotating rod 19 extends out of the side wall of the placement compartment 12. A second coil spring 21 is installed on the side wall of the placement compartment 12. One end of the second coil spring 21 is connected to the end of the second rotating rod 19 extending out of the placement compartment 12, and the other end of the second coil spring 21 is connected to the side wall of the placement compartment 12.

[0035] Before use, the ball 15 is moved downwards along the first baffle 17 and the second baffle 20, forcing the first baffle 17 and the second baffle 20 to rotate downwards. At this time, the first coil spring 18 and the second coil spring 21 are forced to deform. After the ball 15 has completely entered the inner cavity of the placement chamber 12, the elastic force of the first coil spring 18 and the second coil spring 21 can drive the first rotating rod 16 to rotate counterclockwise and the second rotating rod 19 to rotate clockwise, causing the first baffle 17 and the second baffle 20 to rotate to a horizontal position. This achieves a horizontal closed state at the top of the placement chamber 12, preventing the ball 15 from following the liquid surface upwards and leaving the inner cavity of the placement chamber 12. In the closed state, the second baffle 20 and the first baffle 17 form a shielding plane, which can ensure that the shielding plane formed by the second baffle 20 and the first baffle 17 in the closed state can completely block the ball 15 inside the placement chamber 12.

[0036] Main references Figures 2 to 4 As shown, an adjustment assembly is provided inside the water bath 1. The adjustment assembly includes a first groove 5 vertically opened on the rear side of the inner wall of the water bath 1. A limit rod 6 is vertically and fixedly installed inside the first groove 5. A second slider 10 is slidably sleeved on the limit rod 6. A second groove 7 vertically opened on the front side of the inner wall of the water bath 1. A screw 8 is rotatably connected inside the second groove 7. A first slider 9 is threadedly sleeved on the screw 8. The first slider 9 and the second slider 10 are respectively fixedly connected to the front and rear side walls of the mounting plate 11. By using a tool to make the screw 8 rotate, the first slider 9 moves along the inner cavity of the second groove 7, so that the mounting plate 11 and the second slider 10 move synchronously, so that the second slider 10 moves along the limit rod 6. By adjusting the height of the mounting plate 11, the height of the tactile switch 14 can be adjusted and positioned to flexibly meet the needs of water level monitoring at different heights required for experiments of different durations.

[0037] In addition, the main references Figure 2 and Figure 6 As shown, support blocks 22 are installed at the four corners of the inner cavity of the water bath 1. A horizontal plate 24 is placed on the support blocks 22. Several water passage holes 25 are opened on the horizontal plate 24. The support blocks 22 can support the horizontal plate 24, and the water passage holes 25 can facilitate water to pass through the water passage holes 25, so that the water surface can be above the horizontal plate 24, and the experimental bottles placed on the horizontal plate 24 can be heated in a normal water bath.

[0038] Main references Figure 6 and Figure 7As shown, a drive shaft 26 is rotatably connected to the middle of the water bath 1 via a bearing in the vertical direction. Multiple mounting rods 27 are fixedly mounted on the drive shaft 26, and multiple blades 28 are mounted on the sidewall of each mounting rod 27. The bottom end of the drive shaft 26 extends below the water bath 1 and is connected to a power assembly. The power assembly causes the drive shaft 26 to rotate, thereby rotating the mounting rods 27 and blades 28. This mixes the water in the water bath 1, ensuring a uniform water temperature at all locations during the water bath process. The power assembly includes a first pulley 29 mounted below the drive shaft 26, and a belt 29 rotatably connected to... A rotating shaft 30 is located on the lower surface of the water bath 1. A second pulley 31 is mounted on the rotating shaft 30. A belt 32 is fitted onto the first pulley 29 and the second pulley 31. A motor 33 is mounted on the lower part of the water bath 1 via a motor frame. The output end of the motor 33 is connected to the rotating shaft 30. When the motor 33 is turned on, it can drive the rotating shaft 30 and the second pulley 31 to rotate synchronously, which in turn causes the belt 32 to drive the first pulley 29 to rotate. This causes the drive shaft 26, the mounting rod 27, and the blade 28 to rotate circumferentially, thereby achieving uniform mixing of the water in the water bath 1 and ensuring that the water can uniformly heat the sample in the subsequent water bath.

[0039] Additionally, see Figure 1 and Figure 2 As shown, support plates 3 are symmetrically installed on the left and right inner walls of the water bath 1. The two support plates 3 are respectively installed at the top of the inner wall of the water bath 1. A cover 4 is placed on the top of the support plate 3. The support plate 3 can support the cover 4 to ensure that the cover 4 is accurately placed above the water bath 1. The support plate 3 is located below the top edge of the water bath 1, and the upper surface of the cover 4 is horizontal with the top edge of the water bath 1, thereby ensuring that the cover 4 placed on the support plate 3 can be horizontal with the water bath 1.

[0040] Support columns 34 are installed at the four corners of the bottom of the water bath tank 1. The support columns 34 can lift the water bath tank 1 off the ground, providing sufficient installation space for the power components.

[0041] It is worth noting that in this application, the water bath 1 has a built-in heating system, which is existing technology and is sufficient to heat the water in the water bath 1. It will not be limited or described in detail here. The motor 33 is a self-locking motor that is commonly used in the market and can lock the output end. When it stops, the output end can lock itself and will not rotate under external force. The existing components mentioned above will not be described in detail here.

[0042] The working principle of an electric thermostatic water bath in this embodiment is as follows:

[0043] Before use, the ball 15 is moved downward along the first baffle 17 and the second baffle 20, driving the first baffle 17 and the second baffle 20 to rotate downward. At this time, the first coil spring 18 and the second coil spring 21 are forced to deform. When the ball 15 is completely lowered into the inner cavity of the placement chamber 12, with the help of the elastic force of the first coil spring 18 and the second coil spring 21, the first rotating rod 16 can be driven to rotate counterclockwise and the second rotating rod 19 can be driven to rotate clockwise, causing the first baffle 17 and the second baffle 20 to rotate to the horizontal position, so that the first baffle 17 and the second baffle 20 form a horizontal closed state at the top of the placement chamber 12, preventing the ball 15 from following the liquid surface upward and leaving the inner cavity of the placement chamber 12.

[0044] The screw 8 is rotated by a tool, which drives the first slider 9 to move along the inner cavity of the second groove 7, so as to cause the mounting plate 11 and the second slider 10 to move synchronously, so as to cause the second slider 10 to move along the limit rod 6. By adjusting the height of the mounting plate 11, the height of the tactile switch 14 can be adjusted and positioned to flexibly meet the needs of water level monitoring at different heights required for experiments of different durations.

[0045] During operation, as the water in the water bath 1 evaporates and is consumed, the water in the water bath 1 gradually decreases and the liquid level gradually drops. When the liquid level in the water bath 1 drops, the sphere 15 floating on the liquid surface moves downward along the inner cavity of the placement chamber 12. When the sphere 15 follows the liquid level down to touch the touch switch 14, the touch switch 14 transmits a signal to the controller 2 to display a reminder, indicating that the water level in the water bath 1 has dropped to the touch switch 14 and water needs to be added in time to avoid the liquid level from continuing to drop and causing the equipment to dry out.

[0046] At the same time, the motor 33, when turned on, can drive the rotating shaft 30 and the second pulley 31 to rotate synchronously, which in turn causes the belt 32 to drive the first pulley 29 to rotate, so as to cause the drive shaft 26, the mounting rod 27 and the blade 28 to rotate circumferentially, so as to achieve the mixing of water in the water bath 1 and ensure that the subsequent water can uniformly heat the sample in the water bath.

[0047] This invention can monitor the water level in the water bath 1 in real time, avoiding the dry burning of the equipment caused by untimely water addition, thus improving the safety of the equipment. It also eliminates the need for real-time manual observation, as the change in water level within the equipment provides a reminder, making it more intelligent and convenient. The height of the touch switch 14 can be adjusted to meet the water level monitoring needs of different heights under different experimental conditions, making the equipment more versatile. Furthermore, after placing the sphere 15, the first baffle 17 and the second baffle 20 can automatically return to a horizontal state, eliminating the need for manual sealing of the top of the placement chamber 12.

[0048] 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. An electric thermostatic water bath, comprising a water bath tank (1), wherein a controller (2) is installed on the front side wall of the water bath tank (1), characterized in that, The water bath (1) is equipped with a water level monitoring unit, which includes an installation plate (11). Two placement chambers (12) are vertically installed on the top of the installation plate (11). Each placement chamber (12) has a through groove (13) symmetrically opened on the left and right side walls. A tactile switch (14) is installed at the bottom of the inner wall of each placement chamber (12). The placement chamber (12) has a through cavity from top to bottom. A ball (15) is placed in the through cavity of the placement chamber (12). A cover assembly is provided at the top of the placement chamber (12) to close the top of the placement chamber (12). The density of the sphere (15) is less than that of water.

2. The electric thermostatic water bath according to claim 1, characterized in that: The closing assembly includes a first rotating rod (16) rotatably connected to the inner front wall of the placement compartment (12). A first baffle (17) is fixedly mounted on the first rotating rod (16). The end of the first rotating rod (16) extends out of the side wall of the placement compartment (12). A first coil spring (18) is mounted on the side wall of the placement compartment (12). One end of the first coil spring (18) is connected to the end of the first rotating rod (16) extending out of the placement compartment (12), and the other end of the first coil spring (18) is connected to the side wall of the placement compartment (12). The closing assembly also includes... A second rotating rod (19) is rotatably connected to the inner wall of the rear side of the placement compartment (12). A second baffle (20) that matches the shape of the first baffle (17) is fixedly installed on the second rotating rod (19). The end of the second rotating rod (19) extends out of the side wall of the placement compartment (12). A second coil spring (21) is installed on the side wall of the placement compartment (12). One end of the second coil spring (21) is connected to the end of the second rotating rod (19) that extends out of the placement compartment (12), and the other end of the second coil spring (21) is connected to the side wall of the placement compartment (12). In this case, the second baffle (20) forms a shielding plane when it is covered by the first baffle (17).

3. The electric thermostatic water bath according to claim 1, characterized in that: An adjustment assembly is provided inside the water bath (1). The adjustment assembly includes a first groove (5) vertically opened on the rear side of the inner wall of the water bath (1). A limit rod (6) is vertically and fixedly installed inside the first groove (5). A second slider (10) is slidably sleeved on the limit rod (6). A second groove (7) vertically opened on the front side of the inner wall of the water bath (1). A screw (8) is rotatably connected inside the second groove (7). A first slider (9) is threadedly sleeved on the screw (8). The first slider (9) and the second slider (10) are fixedly connected to the front and rear side walls of the mounting plate (11), respectively.

4. The electric thermostatic water bath according to claim 1, characterized in that: Support blocks (22) are installed at the four corners of the inner cavity of the water bath (1). A horizontal plate (24) is placed on the support block (22), and several water passage holes (25) are opened on the horizontal plate (24).

5. An electric thermostatic water bath according to claim 1, characterized in that: The water bath (1) is rotatably connected to a drive shaft (26) in the middle along the vertical direction. Multiple mounting rods (27) are fixedly installed on the drive shaft (26). Multiple blades (28) are installed on the side wall of each mounting rod (27). The bottom end of the drive shaft (26) extends below the water bath (1) and is connected to a power assembly.

6. An electric thermostatic water bath according to claim 5, characterized in that: The power assembly includes a first pulley (29) mounted below the drive shaft (26), and a rotating shaft (30) rotatably connected to the lower surface of the water bath (1). A second pulley (31) is mounted on the rotating shaft (30). A belt (32) is fitted on the first pulley (29) and the second pulley (31). A motor (33) is mounted below the water bath (1) via a motor frame, and the output end of the motor (33) is connected to the rotating shaft (30).

7. An electric thermostatic water bath according to claim 1, characterized in that: The water bath (1) has support plates (3) symmetrically installed on its left and right inner walls respectively. The two support plates (3) are respectively installed at the top of the inner wall of the water bath (1). A cover (4) is placed on the top of the support plate (3). The support plate (3) is located below the top edge of the water bath (1), and the upper surface of the cover (4) is level with the top edge of the water bath (1).

8. An electric thermostatic water bath according to claim 1, characterized in that: Support columns (34) are installed at the four corners of the bottom of the water bath tank (1).

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