Portable low-temperature constant-temperature water bath kettle

Abstract

The utility model discloses a portable low-temperature constant-temperature water bath kettle which comprises a water bath kettle body, a water bath cavity, a semiconductor refrigerator and a heat dissipation assembly, due to the adoption of the PTC heating sheet, the electric heating device has the main advantages of high efficiency, energy conservation, safety and small size, so that the overall weight of equipment is reduced; the battery is mounted at the rear end of the water bath kettle body, so that the independent power supply function of the water bath kettle is realized, the portability and the applicability of the water bath kettle are further improved, the equipment can be supported to work for a short time without an external power supply through the efficient electric energy management system and the battery, the use requirements in different experiment environments are met, and meanwhile, the water bath kettle is convenient to use. The modular design of the battery enables the battery to be easy to replace and maintain, reliable guarantee is provided for long-time experiment operation, in addition, the battery supports a quick charging function, waiting time is greatly shortened, and working efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water bath, concretely is a portable low temperature constant temperature water bath, belongs to laboratory low temperature constant temperature equipment technical field. BACKGROUND

[0002] Low temperature constant temperature water bath is widely used in the experiment that needs accurate temperature control, such as biological sample preservation, chemical reaction control, especially in the scene that low temperature environment has strict requirement in the experimental process.

[0003] In the prior art, such as the low temperature constant temperature water bath disclosed in the patent no. CN219849693U, including water bath, plastic sink and several heating pipes, one corner in the plastic sink is installed with the grid of L type, the grid is fixedly installed with the water pump, the top of the plastic sink is open, and the cover body matched with the opening is detachably connected, the cover body is installed with the liquid inlet head and the liquid outlet head penetrating the cover body, and the periphery of the cover body is outwardly extended to form the cover rail, the opposite two sides of the water bath body are respectively formed with the limiting support step, and the two sides of the water bath body without the limiting support step are symmetrically installed with the limiting card matched with the cover rail. By isolating the contact between sodium chloride solution and water bath, corrosion of water bath is avoided, and the plastic sink is limited and fixed in the water bath to avoid overturning of the plastic sink, thereby eliminating the influence of sodium chloride solution loss on the test results, but the existing low temperature constant temperature water bath usually relies on ice blocks, liquid nitrogen or mechanical compression refrigeration to realize low temperature control, but these systems have the disadvantages of large volume, complicated operation, inaccurate temperature control and the like, and cannot meet the needs of modern experiments for portability and accurate temperature control. With the continuous development of semiconductor refrigeration technology, more and more low temperature constant temperature water baths begin to use this technology. However, the existing semiconductor refrigeration equipment still has problems such as large volume, low temperature control accuracy and insufficient heat dissipation efficiency. The traditional semiconductor refrigeration system often leads to overheating and temperature fluctuation due to poor heat dissipation performance, thereby affecting the stability of temperature control. In addition, the volume and weight of such equipment still limit its portability, and there may be reliability problems during long-term use. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving at least one of the above technical problems to provide a kind of portable low temperature constant temperature water bath, the water bath not only small and exquisite, easy to carry, but also can effectively improve refrigeration efficiency, optimize temperature control accuracy, and significantly enhance the portability and long-term stability of equipment, meet the comprehensive needs of laboratory for low temperature constant temperature water bath in convenience, stability and accuracy.

[0005] The utility model discloses a portable low-temperature constant temperature water bath kettle, including water bath kettle body, the inside of water bath kettle body is provided with water bath cavity, semiconductor refrigerator and heat dissipation subassembly, semiconductor refrigerator is connected at the bottom of water bath cavity, and heat dissipation subassembly is pasted below semiconductor refrigerator, and the inner side wall of water bath cavity is connected with PTC heating sheet,

[0006] The battery is arranged between the water bath kettle body and the water bath cavity, the installation position of the battery is located at one side of the water bath cavity, the heat dissipation subassembly comprises an axial flow fan, heat dissipation fins, a heat dissipation plate and a heat pipe, the bottom of the water bath cavity is provided with a heat exchange plate, the semiconductor refrigerator is closely arranged below the heat exchange plate, the upper plate surface of the heat dissipation plate is connected with the semiconductor refrigerator, the pipe body of the heat pipe is fixedly connected to the lower plate surface of the heat dissipation plate, one end of the heat dissipation fins is connected with the heat pipe, the axial flow fan is arranged below the semiconductor refrigerator, and the installation position of the semiconductor refrigerator is located at one side of the heat dissipation fins.

[0007] As a further scheme of the utility model, a sealing cover is movably clamped at the upper end opening of the water bath kettle body, and support columns are fixedly connected to the bottom corners of the water bath kettle body.

[0008] As a further scheme of the utility model, a control panel is arranged on the front kettle body of the water bath kettle body, and the control panel is in signal transmission connection with the PTC heating sheet, the semiconductor refrigerator and the axial flow fan of the heat dissipation subassembly.

[0009] As a further scheme of the utility model, an air inlet hole is formed in the bottom of the water bath kettle body, an air outlet is formed in the side wall of the water bath kettle body, and the air outlet is arranged to be aligned with the heat dissipation fins.

[0010] As a further scheme of the utility model, a liquid discharge pipe is connected through one side wall of the water bath kettle body, and the inner end of the liquid discharge pipe is communicated with the bottom of the water bath cavity.

[0011] As a further scheme of the utility model, a charging port is connected to the outer side wall of the water bath kettle body, and the charging port is in electrical connection with the battery.

[0012] As a further scheme of the utility model, a temperature sensor is fixedly connected to one side inner wall of the water bath cavity, and the temperature sensor is in signal transmission connection with the control panel.

[0013] As a further scheme of the utility model, a storage rack is fixedly connected in the water bath cavity.

[0014] The utility model discloses a portable low-temperature constant temperature water bath kettle, including water bath kettle body, the inside of water bath kettle body is provided with water bath cavity, semiconductor refrigerator and heat dissipation subassembly, semiconductor refrigerator is connected at the bottom of water bath cavity, and heat dissipation subassembly is pasted below semiconductor refrigerator, and the inner side wall of water bath cavity is connected with PTC heating sheet,

[0015] Since the overall power consumption of the utility model is low, a battery is installed at the rear end of the water bath pot body, thereby realizing the independent power supply function of the water bath pot, and further improving the portability and applicability. Through the efficient electric energy management system, the battery can support the equipment to work for a short time without external power supply, meeting the use demand in different experimental environments. At the same time, the modular design of the battery makes it easy to replace and maintain, providing reliable guarantee for long-time experimental operation. In addition, the battery supports the fast charging function, greatly reduces the waiting time, and improves the working efficiency of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a side sectional view structure schematic diagram of the utility model;

[0017] Fig. 2 It is a bottom structure schematic diagram of the utility model water bath pot body.

[0018] Fig. 3 It is a bottom structure schematic diagram of the utility model water bath pot body.

[0019] In the drawing: 1, water bath pot body, 11, sealing cover, 12, control panel, 13, support column, 14, air inlet hole, 15, liquid discharge pipe, 16, charging port, 17, air outlet, 2, water bath cavity, 21, temperature sensor, 22, storage rack, 23, heat exchange plate, 3, semiconductor refrigerator, 4, heat dissipation assembly, 41, axial flow fan, 42, heat dissipation fin, 43, heat dissipation plate, 44, heat pipe, 5, PTC heating sheet, 6, battery. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Embodiment one

[0022] As Figs. 1 to 3 shown, a portable low-temperature constant-temperature water bath pot, including water bath pot body 1, water bath pot body 1 in the pot is provided with water bath cavity 2, semiconductor refrigerator 3 and heat dissipation assembly 4, semiconductor refrigerator 3 is connected at the bottom of water bath cavity 2, heat dissipation assembly 4 is pasted below semiconductor refrigerator 3, the inner side wall of water bath cavity 2 is connected with PTC heating sheet 5;

[0023] A battery 6 is arranged between the water bath body 1 and the water bath cavity 2, and the installation position of the battery 6 is located on one side of the water bath cavity 2. The heat dissipation assembly 4 comprises an axial flow fan 41, a heat dissipation fin 42, a heat dissipation plate 43 and a heat pipe 44. The bottom of the water bath cavity 2 is provided with a heat exchange plate 23, and the semiconductor refrigerator 3 is tightly attached below the heat exchange plate 23. The upper plate surface of the heat dissipation plate 43 is tightly connected with the semiconductor refrigerator 3. The pipe body of the heat pipe 44 is fixedly connected to the lower plate surface of the heat dissipation plate 43. One end of the heat dissipation fin 42 is connected with the heat pipe 44. The axial flow fan 41 is installed below the semiconductor refrigerator 3, and the installation position of the semiconductor refrigerator 3 is located on one side of the heat dissipation fin 42. The heat dissipation plate 43 can absorb the heat emitted by the semiconductor refrigerator 3, and then transfer the heat to the heat dissipation fin 42 through the heat pipe 44. Then, the heat on the heat dissipation fin 42 is dissipated by the airflow blown out by the axial flow fan 41. The high-efficiency heat dissipation assembly 4 solves the problem of heat accumulation at the hot end of the water bath body 1, improves the refrigeration efficiency, enhances the system stability, reduces the power consumption and energy loss, and effectively reduces the weight of the equipment and the noise compared with the compressor refrigeration. The semiconductor refrigerator 3 is more suitable for maintaining the temperature in the switching process of various different experimental environments. Moreover, the independent power supply function of the water bath is realized by arranging the battery 6, which further improves the portability and applicability of the water bath.

[0024] Embodiment two

[0025] In addition to including all the technical features in embodiment one, the embodiment also includes:

[0026] The sealing cover 11 is movably clamped at the upper end opening of the water bath body 1. The support columns 13 are fixedly connected to the bottom corners of the water bath body 1. The water bath cavity 2 can be sealed by the sealing cover 11 to ensure a certain heat preservation effect during use. The support columns 13 are used to support the water bath body 1 to play a role in preventing slipping.

[0027] The control panel 12 is installed on the front body of the water bath body 1. The control panel 12 is in signal transmission connection with the PTC heating sheet 5, the semiconductor refrigerator 3 and the axial flow fan 41 of the heat dissipation assembly 4. The experimenters can control the PTC heating sheet 5 and the semiconductor refrigerator 3 through the control panel 12 to realize accurate temperature control and heat preservation within 0-40℃. The opening and closing of the axial flow fan 41 can realize efficient heat dissipation of the heat generated by the semiconductor refrigerator 3 during work, and the current data can be displayed in real time.

[0028] The air inlet hole 14 is opened at the bottom of the water bath body 1. The air outlet 17 is opened in the side wall of the water bath body 1, and the opening position of the air outlet 17 is aligned with the heat dissipation fin 42. The airflow can enter through the air inlet hole 14, and the airflow blown out by the axial flow fan 41 can be discharged through the air outlet 17, so that the heat on the heat dissipation fin 42 can be dissipated during the airflow discharge process.

[0029] One side of the water bath body 1 is connected with a drain pipe 15, the inner side of the drain pipe 15 is connected with the bottom of the water bath cavity 2, the drain pipe 15 can be used to quickly drain the liquid medium in the water bath body 1, which is convenient for cleaning, maintenance or replacement of the liquid, avoids the operation of overturning the whole device, saves time and manpower.

[0030] The outer wall of the water bath body 1 is connected with a charging port 16, which is electrically connected with the battery 6, so as to charge the battery 6 through the charging port 16.

[0031] Embodiment three

[0032] In addition to including all the technical features in embodiment one, this embodiment also includes:

[0033] One side of the water bath cavity 2 is fixedly connected with a temperature sensor 21, which is signal transmission connected with the control panel 12, and the control panel 12 monitors the temperature of the liquid medium in the water bath cavity 2 in real time through the temperature sensor.

[0034] The water bath cavity 2 is fixedly connected with a shelf 22, so as to place the articles used for low-temperature water bath on the shelf 22, which is convenient for operation and use.

[0035] Working principle: the water bath cavity 2 is filled with temperature-conducting liquid medium (water, alcohol) and the like, the bottom of the water bath cavity 2 is provided with a heat exchange plate 23 connected with the cold end of the semiconductor cooler 3 for refrigeration. The hot end of the bottom of the semiconductor cooler 3 is provided with a high-efficiency heat dissipation assembly 4; the heat dissipation assembly 4 is installed with a heat dissipation plate 43 to absorb the heat emitted by the semiconductor cooler 3, and the heat is transmitted to the heat dissipation fins 42 through the heat pipe 44, and then the axial flow fan 41 blows out the air flow to discharge the heat on the heat dissipation fins 42 through the exhaust port 17, so as to realize high-efficiency heat dissipation; the water bath cavity 2 is provided with a temperature sensor 21 and a PTC heating sheet 5, the control panel 12 monitors the temperature of the liquid medium in the water bath cavity 2 in real time through the temperature sensor 21, and realizes accurate temperature control within 0-40℃ through the control of the semiconductor cooler 3 and the PTC heating sheet 5; through the cooperation of the semiconductor cooler 3 and the PTC heating sheet 5, the temperature of the liquid medium in the water bath cavity 2 can be accurately controlled.

[0036] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0037] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A portable cryothermostated water bath comprising a water bath vessel (1), characterized in that: The water bath cavity (2), the semiconductor refrigerator (3) and the heat dissipation assembly (4) are arranged in the water bath pot body (1), the semiconductor refrigerator (3) is connected at the bottom of the water bath cavity (2), the heat dissipation assembly (4) is pasted below the semiconductor refrigerator (3), and the inner side wall of the water bath cavity (2) is connected with the PTC heating sheet (5). The battery (6) is arranged between the water bath pot body (1) and the water bath cavity (2), the installation position of the battery (6) is located at one side of the water bath cavity (2), the heat dissipation assembly (4) comprises an axial flow fan (41), a heat dissipation fin (42), a heat dissipation plate (43) and a heat pipe (44), the bottom of the water bath cavity (2) is provided with a heat exchange plate (23), the semiconductor refrigerator (3) is tightly pasted below the heat exchange plate (23), the upper plate surface of the heat dissipation plate (43) is tightly connected with the semiconductor refrigerator (3), the pipe body of the heat pipe (44) is fixedly connected to the lower plate surface of the heat dissipation plate (43), one end of the heat dissipation fin (42) is connected with the heat pipe (44), the axial flow fan (41) is installed below the semiconductor refrigerator (3), and the installation position of the semiconductor refrigerator (3) is located at one side of the heat dissipation fin (42).

2. The portable cryogenic constant-temperature water bath according to claim 1, characterized in that: The sealing cover (11) is movably clamped at the upper end opening of the water bath pot body (1), and the support columns (13) are fixedly connected to the bottom corners of the water bath pot body (1).

3. The portable cryogenic constant-temperature water bath according to claim 1, characterized in that: The control panel (12) is arranged on the front surface of the water bath pot body (1), and the control panel (12) is in signal transmission connection with the PTC heating sheet (5), the semiconductor refrigerator (3) and the axial flow fan (41) of the heat dissipation assembly (4).

4. The portable cryogenic constant-temperature water bath according to claim 1, characterized in that: The air inlet hole (14) is arranged at the bottom of the water bath pot body (1), the air outlet (17) is arranged on the side wall of the water bath pot body (1), and the air outlet (17) is arranged at the position of the heat dissipation fin (42).

5. The portable cryogenic constant-temperature water bath according to claim 1, characterized in that: The liquid discharge pipe (15) is connected to one side wall of the water bath pot body (1), and the inner side end of the liquid discharge pipe (15) is in communication with the cavity bottom of the water bath cavity (2).

6. The portable cryogenic constant-temperature water bath according to claim 1, characterized in that: The charging port (16) is connected to the outer side wall of the water bath pot body (1), and the charging port (16) is in electrical connection with the battery (6).

7. The portable cryogenic constant-temperature water bath according to claim 3, characterized in that: The temperature sensor (21) is fixedly connected to one side inner wall of the water bath cavity (2), and the temperature sensor (21) is in signal transmission connection with the control panel (12).

8. The portable cryogenic constant-temperature water bath of claim 1, characterized in that: The storage rack (22) is fixedly connected in the water bath cavity (2).

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