CN213669372U

CN213669372U - Wide temperature range accurate temperature control water bath for laboratory

Info

Publication number: CN213669372U
Application number: CN202022253977.8U
Authority: CN
Inventors: 杭毅; 王威; 刘玉庭
Original assignee: Dongfeng Special Purpose Vehicle Co ltd
Current assignee: Dongfeng Special Purpose Vehicle Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-07-13
Anticipated expiration: 2030-10-12

Abstract

The utility model provides a laboratory is with accurate accuse temperature water bath of wide temperature range belongs to water bath technical field to in solving current laboratory is with accurate accuse temperature water bath of wide temperature range, when liquid is bathed and is heated or refrigerate to being surveyed liquid, receive the influence of external environment temperature easily, unable accurate control is surveyed the temperature of liquid, leads to the problem that measuring result's accuracy reduces, including wide temperature range water bath, the welding of wide temperature range water bath barrel wall bottom take the altitude has strutting arrangement. The utility model provides power by the motor, the motor shaft drives the outer magnet to rotate, thereby driving the stirring magnet inside the water bath box with wide temperature range to rotate through the magnetic field, and achieving the purposes of stirring bath liquid and uniform temperature; meanwhile, the two electric heating pipes are of annular structures, and heating wires with different powers are respectively distributed in the two electric heating pipes, so that heat output with different powers can be provided in a combined manner, bath liquid can be rapidly heated, and the experimental efficiency is improved.

Description

Wide temperature range accurate temperature control water bath for laboratory

Technical Field

The utility model belongs to the technical field of the water bath, more specifically say, in particular to accurate accuse temperature water bath for laboratory with wide temperature range.

Background

The laboratory needs to maintain the temperature of various tested liquids during the test, and the temperature distribution is wide and varies from-10 ℃ to 100 ℃. The daily laboratory temperature distribution is different from 10-30 ℃, so the measured liquid needs to be heated or cooled to reach the required specific temperature and be maintained so as to meet the requirements of experimental conditions.

As in application No.: the utility model of CN201921362216.7 discloses a water bath box, which comprises a box body provided with a water bath chamber, wherein the water bath chamber is provided with a chamber door, a heating device and a temperature control device; the water bath chamber is internally provided with at least one group of the supporting beams, and each group of the supporting beams comprises two supporting beams which are distributed in parallel; the supporting beam is higher than the bottom wall of the water bath chamber; the test tube rack comprises two side frames and a hole plate, and the lower ends of the two side frames are respectively fixed on one support beam through a locking mechanism; the pore plate is erected at the upper ends of the two side frames; the pore plate is provided with a plurality of screw holes; the upper part of a test tube for the water bath is provided with an external thread corresponding to the screw hole. The utility model discloses can avoid test-tube rack and test tube the come-up to appear, can also reduce the hindrance to thermal exchange and diffusion production to improve the stability of water bath process, guarantee the water bath effect.

Based on the search of above-mentioned patent to and combine the equipment discovery among the prior art, current laboratory is with the accurate accuse temperature water bath case of wide temperature range, when the liquid bath is to being surveyed liquid line heating or refrigeration, receives external environment temperature influence easily, and the temperature of unable accurate control being surveyed liquid leads to measuring result's accuracy to reduce.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a wide temperature range and accurate temperature control water bath box for a laboratory is provided, so as to achieve the purpose of being more practical.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a laboratory is with accurate accuse temperature water bath to solve current laboratory is with accurate accuse temperature water bath of wide temperature range, when liquid is bathed and is gone to heating or refrigerate to being surveyed liquid, receive the influence of external environment temperature easily, unable accurate control is surveyed the temperature of liquid, leads to the problem that measuring result's accuracy reduces.

The utility model discloses laboratory is with purpose and efficiency of wide temperature range accurate temperature control water bath case, by following specific technological means reach:

a wide temperature range accurate temperature control water bath tank for a laboratory comprises a wide temperature range water bath tank, wherein the barrel wall of the wide temperature range water bath tank is made of stainless steel, the cross section of the wide temperature range water bath tank is circular, the section of the wide temperature range water bath tank is U-shaped, and a supporting device is welded at the bottom of the barrel wall of the wide temperature range water bath tank at a certain height; a beaker is arranged in the water bath box with the wide temperature range and is in supporting connection with the supporting device; the far end of the water bath box with the wide temperature range is provided with a circuit board and a control display device, and the circuit board is electrically output and connected with the control display device through a lead; the outer peripheral surface of the wall of the water bath tank with the wide temperature range is provided with a refrigerating sheet, and the refrigerating sheet is electrically output and connected with the circuit board through a lead; a stirring mechanism is arranged below the water bath tank with the wide temperature range; the bottom end of the wall of the water bath tank with the wide temperature range is welded with two electric heating pipes, and the two electric heating pipes are electrically output and connected with the circuit board through leads; a temperature sensor of the liquid to be measured is suspended in the beaker; a bath lotion temperature sensor is suspended between the beaker and the barrel wall of the water bath tank with a wide temperature range; the liquid temperature sensor to be detected and the bath liquid temperature sensor are both electrically output and connected with the circuit board through leads.

Further, strutting arrangement includes the round hole, strutting arrangement is the annular structure of being made by stainless steel material, and has seted up the round hole on the strutting arrangement to the round hole is annular array mode evenly distributed.

Further, the stirring mechanism comprises a stirring magnet, an outer magnet and a motor, the outer magnet is arranged under the water bath box with the wide temperature range, the outer magnet is rotatably connected with the motor through a rotating shaft, the motor is electrically connected with the circuit board through a wire in an output mode, the stirring magnet is arranged inside the water bath box with the wide temperature range, the stirring magnet is located between the water bath box with the wide temperature range and the beaker, and the position of the stirring magnet is matched with that of the outer magnet.

Furthermore, the refrigeration piece evenly distributed in wide temperature range water bath case outer wall, and refrigeration piece and wide temperature range water bath case bucket wall closely laminate.

Furthermore, the two electric heating pipes are both of an annular structure, and heating wires with different powers are respectively distributed in the two electric heating pipes.

Compared with the prior art, the utility model discloses following beneficial effect has:

because the refrigeration piece evenly distributed is in wide temperature range water bath tank outer wall, and the refrigeration piece closely laminates with wide temperature range water bath tank bucket wall, and the temperature of the interior bathing lotion of wide temperature range water bath tank is reduced in the conduction of refrigeration piece accessible to introduce the refrigeration piece as the refrigeration mode, replaced compressor formula refrigeration mode in the past, have small, efficient, the quick characteristics of refrigeration.

The motor provides power and drives the outer magnet to rotate through the rotating shaft, so that the magnetic field drives the stirring magnet inside the water bath box with a wide temperature range to rotate, and the aims of stirring bath liquid and homogenizing temperature are fulfilled; meanwhile, the two electric heating pipes are of annular structures, heating wires with different powers are respectively distributed in the two electric heating pipes, and the electric heating pipes with different powers can be combined to provide heat output with different powers, so that bath liquid can be rapidly heated, and the experimental efficiency is improved.

The control display device can display the temperature value of each detection point in real time, can input a specific temperature value, is controlled by the PID system to stabilize the temperature after reaching a target value, and then starts to test.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a block diagram of the electrical flow structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a water bath tank with a wide temperature range; 2. a beaker; 3. a refrigeration plate; 4. a bath temperature sensor; 5. a liquid temperature sensor to be detected; 6. a support device; 601. a circular hole; 7. an electric heating tube; 8. a stirring mechanism; 801. stirring the magnet; 802. an outer magnet; 803. a motor; 9. controlling a display device; 10. a circuit board.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 2:

the utility model provides a wide temperature range accurate temperature control water bath tank for laboratory, which comprises a wide temperature range water bath tank 1, wherein the barrel wall of the wide temperature range water bath tank 1 is made of stainless steel, the cross section is circular, the cross section is U-shaped, and a supporting device 6 is welded at the bottom of the barrel wall of the wide temperature range water bath tank 1 at a certain height; a beaker 2 is arranged in the water bath tank 1 with a wide temperature range, and the beaker 2 is in supporting connection with a supporting device 6; the far end of the water bath tank 1 with the wide temperature range is provided with a circuit board 10 and a control display device 9, and the circuit board 10 is electrically output and connected with the control display device 9 through a lead; the control display device 9 can display the temperature value of each detection point in real time, can input a specific temperature value, is controlled by a PID system to stabilize the temperature after reaching a target value, and then starts to perform a test; the outer peripheral surface of the barrel wall of the water bath box 1 with the wide temperature range is provided with a refrigerating sheet 3, and the refrigerating sheet 3 is electrically output and connected with the circuit board 10 through a lead; a stirring mechanism 8 is arranged below the water bath tank 1 with the wide temperature range; the bottom end of the barrel wall of the water bath box 1 with the wide temperature range is welded with two electric heating pipes 7, and the two electric heating pipes 7 are electrically output and connected with the circuit board 10 through leads; a temperature sensor 5 of the liquid to be measured is suspended in the beaker 2; a bath liquid temperature sensor 4 is suspended between the beaker 2 and the wall of the wide temperature range water bath tank 1; the liquid temperature sensor 5 to be detected and the bath liquid temperature sensor 4 are both electrically output and connected with the circuit board 10 through leads; through waiting to survey liquid temperature sensor 5 and bath liquid temperature sensor 4, measure the temperature of bath liquid and waiting to survey liquid at the during operation, can know the temperature parameter in real time, the accuracy of the experimental data of being convenient for.

Wherein, strutting arrangement 6 includes round hole 601, and strutting arrangement 6 is the annular structure of being made by stainless steel material, and has seted up round hole 601 on strutting arrangement 6 to round hole 601 is annular array mode evenly distributed, and strutting arrangement 6 can support beaker 2 of putting into and not contact with wide temperature range water bath 1 barrel head, and the round hole 601 on strutting arrangement 6, the bath lotion of being convenient for flows perpendicularly.

Wherein, the stirring mechanism 8 comprises a stirring magnet 801, an outer magnet 802 and a motor 803, the outer magnet 802 is arranged under the water bath box 1 with a wide temperature range, the outer magnet 802 is rotatably connected with the motor 803 through a rotating shaft, the motor 803 is electrically output and connected with the circuit board 10 through a lead, the stirring magnet 801 is arranged inside the water bath box 1 with a wide temperature range, the stirring magnet 801 is positioned between the water bath box 1 with a wide temperature range and the beaker 2, the position of the stirring magnet 801 is matched with that of the outer magnet 802, the motor 803 provides power, and the outer magnet 802 is driven to rotate through the rotating shaft, so that the magnetic field drives the stirring magnet 801 inside the water bath box 1 with a wide temperature range to rotate, thereby achieving the purposes of stirring bath lotion and homogenizing temperature.

Wherein, refrigeration piece 3 evenly distributed is in 1 outer wall of wide temperature range water bath, and the piece 3 closely laminates with 1 bucket wall of wide temperature range water bath, and the temperature of bath lotion in the 3 accessible conduction reduction wide temperature range water bath of refrigeration piece to introduce refrigeration piece 3 as the refrigeration mode, replaced compressor formula refrigeration mode in the past, have small, efficient, the rapid characteristics of refrigeration.

Wherein, two electric heating pipe 7 are the loop configuration, and the heater strip of different powers has been laid respectively in two electric heating pipe 7, through the electric heating pipe 7 of different powers, can make up the heat output that provides different powers, rapid heating bath, improved experimental efficiency.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, firstly, the beaker 2 is placed on the supporting device 6 in the water bath box 1 with a wide temperature range, the supporting device 6 can support the beaker 2 which is placed in and is not contacted with the bottom of the water bath box 1 with a wide temperature range, and the round hole 601 on the supporting device 6 is convenient for the bath liquid to flow vertically, the control display device 9 is utilized to open the motor 803, the motor 803 provides power, the outer magnet 802 is driven to rotate through the rotating shaft, thereby the magnetic field drives the stirring magnet 801 in the water bath box 1 with a wide temperature range to rotate, and the purposes of stirring the bath liquid and homogenizing the temperature are achieved;

the temperature of the bath liquid and the temperature of the liquid to be detected are measured during working through the liquid temperature sensor 5 to be detected and the bath liquid temperature sensor 4, so that the temperature parameters can be known in real time, and the accuracy of experimental data is facilitated; the control display device 9 can display the temperature value of each detection point in real time, can input a specific temperature value, is controlled by a PID system to stabilize the temperature after reaching a target value, and then starts to perform a test;

in addition, two electric heating pipes 7 are welded at the bottom end of the barrel wall of the water bath box 1 with the wide temperature range, the two electric heating pipes 7 are of an annular structure, heating wires with different powers are respectively distributed in the two electric heating pipes 7, heat output with different powers can be provided in a combined mode through the electric heating pipes 7 with different powers, bath liquid can be heated quickly, and experiment efficiency is improved; the refrigeration pieces 3 are uniformly distributed on the outer wall of the water bath box 1 with the wide temperature range, the refrigeration pieces 3 are tightly attached to the barrel wall of the water bath box 1 with the wide temperature range, the refrigeration pieces 3 can reduce the temperature of bath liquid in the water bath box 1 with the wide temperature range through conduction, and the refrigeration pieces 3 are introduced to serve as a refrigeration mode, so that the traditional compressor type refrigeration mode is replaced, and the refrigeration device has the characteristics of small volume, high efficiency and quick refrigeration; the temperature regulation is rapid and reliable, the temperature environment required by the experiment can be rapidly established, and the method is particularly suitable for the experiment condition of continuous temperature change of the experiment.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a laboratory is with accurate accuse temperature water bath of wide temperature range which characterized in that: the temperature control device comprises a wide temperature range water bath tank (1), wherein the wall of the wide temperature range water bath tank (1) is made of stainless steel, the cross section of the wide temperature range water bath tank is circular, the section of the wide temperature range water bath tank is U-shaped, and a supporting device (6) is welded at the bottom of the wall of the wide temperature range water bath tank (1) at a certain height; a beaker (2) is arranged in the water bath box (1) with the wide temperature range, and the beaker (2) is in supporting connection with a supporting device (6); the far end of the water bath tank (1) with the wide temperature range is provided with a circuit board (10) and a control display device (9), and the circuit board (10) is electrically output and connected with the control display device (9) through a lead; the outer peripheral surface of the barrel wall of the water bath box (1) with the wide temperature range is provided with a refrigerating sheet (3), and the refrigerating sheet (3) is electrically output and connected with the circuit board (10) through a lead; a stirring mechanism (8) is arranged below the water bath tank (1) with the wide temperature range; the bottom end of the barrel wall of the water bath box (1) with the wide temperature range is welded with two electric heating pipes (7), and the two electric heating pipes (7) are electrically output and connected with the circuit board (10) through leads; a temperature sensor (5) of the liquid to be measured is suspended in the beaker (2); a bath lotion temperature sensor (4) is suspended between the beaker (2) and the wall of the wide temperature range water bath tank (1); the temperature sensor (5) for measuring the temperature of the liquid and the temperature sensor (4) for bathing liquid are both electrically output and connected with the circuit board (10) through leads.

2. The wide temperature range accurate temperature control water bath for laboratories of claim 1, wherein: the supporting device (6) comprises round holes (601), the supporting device (6) is of an annular structure made of stainless steel materials, the round holes (601) are formed in the supporting device (6), and the round holes (601) are uniformly distributed in an annular array mode.

3. The wide temperature range accurate temperature control water bath for laboratories of claim 1, wherein: the stirring mechanism (8) comprises a stirring magnet (801), an outer magnet (802) and a motor (803), the outer magnet (802) is arranged under the water bath box (1) with the wide temperature range, the outer magnet (802) is rotatably connected with the motor (803) through a rotating shaft, the motor (803) is electrically output and connected with the circuit board (10) through a wire, the stirring magnet (801) is arranged inside the water bath box (1) with the wide temperature range, the stirring magnet (801) is located between the water bath box (1) with the wide temperature range and the beaker (2), and the stirring magnet (801) is matched with the outer magnet (802) in position.

4. The wide temperature range accurate temperature control water bath for laboratories of claim 1, wherein: the refrigeration piece (3) is evenly distributed on the outer wall of the water bath box (1) with the wide temperature range, and the refrigeration piece (3) is tightly attached to the barrel wall of the water bath box (1) with the wide temperature range.

5. The wide temperature range accurate temperature control water bath for laboratories of claim 1, wherein: the two electric heating pipes (7) are both of an annular structure, and heating wires with different powers are respectively distributed in the two electric heating pipes (7).