CN216458957U

CN216458957U - Constant temperature water bath for experiments

Info

Publication number: CN216458957U
Application number: CN202122168211.4U
Authority: CN
Inventors: 杨德贺
Original assignee: Heze Kexun Instrument Equipment Co ltd
Current assignee: Heze Kexun Instrument Equipment Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-05-10
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to the technical field of water bath pots, and discloses a thermostatic water bath pot for experiments, which solves the problems that the heating pipe of the existing thermostatic water bath pot for experiments is arranged inside a water bath pot body, so that incrustation is easy to generate, the service life is short, the uniformity of heat distribution is poor, and the cleaning and maintenance inside the water bath pot are inconvenient, and comprises a base, wherein the upper end of the base is provided with a shell, one side of the top end in the shell is provided with the water bath pot body, the bottom end in the water bath pot body is provided with a temperature sensor, a grid supporting frame is arranged above the temperature sensor, the middle part of the lower end of the water bath pot body is provided with a heating plate, the lower end of the heating plate is provided with an overheat protector, the upper end of the water bath pot body is provided with a turnover cover, the heating plate is arranged at the lower end of the water bath pot body and does not contact with water, so that the service life can be prolonged, the heat distribution is more uniform, and the heating pipe structure is not arranged in the water bath pot body, can ensure that no dead angle exists in the water bath kettle body, and the cleaning and the maintenance are more convenient.

Description

Constant temperature water bath for experiments

Technical Field

The utility model belongs to the technical field of water baths, and particularly relates to a constant-temperature water bath for experiments.

Background

The water bath pot is mainly used for distilling, drying and concentrating in a laboratory, and soaking chemicals or biological products, can also be used for constant-temperature heating and other temperature tests, and is a necessary tool for biology, heredity, viruses, aquatic products, environmental protection, medicine, sanitation, laboratories, analysis rooms and educational and scientific research.

But the heating pipe of current constant temperature water-bath for experiments sets up in the inside of the water-bath body, produces the incrustation scale easily, and life is shorter, and heat distribution homogeneity is poor, and the inside clearance of water-bath is maintained inconveniently, and traditional water-bath warms up slowly moreover, be afraid of dry combustion method, shows that the temperature differs greatly with the actual measurement, for this reason has proposed a constant temperature water-bath for experiments here.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the experimental constant-temperature water bath kettle, which effectively solves the problems that the heating pipe of the existing experimental constant-temperature water bath kettle is arranged inside the water bath kettle body, so that scale is easily generated, the service life is short, the heat distribution uniformity is poor, and the cleaning and maintenance of the inside of the water bath kettle are inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a constant temperature water bath for experiments, the on-line screen storage device comprises a base, the base upper end is provided with the shell, top one side is provided with the water bath body in the shell, the internal bottom of water bath body is provided with temperature sensor, the temperature sensor top is provided with the net support frame, water bath body lower extreme middle part is provided with the heating plate, the heating plate lower extreme is provided with overheat protector, water bath body upper end is provided with flip, flip's opening upper end is provided with the bore lid, water bath body one side the top is provided with the baffle in the shell, the baffle is kept away from be provided with solid state relay on the water bath body lateral wall, shell lateral wall upper end is provided with digital display temperature control table.

Preferably, the water bath pot body shaping in on the shell, temperature sensor with the internal bottom butt fusion of water bath pot, heating plate upper end with the internal lower extreme butt fusion of water bath pot, net support frame lower extreme with the internal bottom overlap joint of water bath pot.

Preferably, the overheat protector is connected with the lower end of the heating plate through a screw, the partition plate is formed at the inner top end of the shell, the solid-state relay is connected with the partition plate through a screw, and the base is connected with the lower end of the shell through a screw.

Preferably, the digital display temperature control meter is connected with the shell through a screw, the flip cover is connected with the shell through a clamping groove, and the caliber cover is connected with the flip cover through a clamping groove.

Preferably, the lower end of the side wall of the shell, which faces the digital display temperature control meter, is inserted with a fuse, the side wall of the shell, which is positioned at one side of the fuse, is connected with a power plug through a screw, and the other side wall of the shell is embedded with a switch.

Preferably, the switch, the power plug and the fuse are electrically connected with the solid-state relay, the temperature sensor is electrically connected with the digital display temperature control meter, and the overheat protector is electrically connected with the heating plate.

Compared with the prior art, the utility model has the beneficial effects that:

1) in the constant-temperature water bath kettle for the experiment, the heating plate is arranged at the lower end of the water bath kettle body, the heating plate is not in contact with water, so that the service life is prolonged, the heat distribution is more uniform, no heating pipe structure is arranged in the water bath kettle body, no dead angle is formed in the water bath kettle body, the cleaning and the maintenance are more convenient, and the problems that the existing heating pipe of the constant-temperature water bath kettle for the experiment is arranged in the water bath kettle body, scales are easily generated, the service life is short, the heat distribution uniformity is poor, and the cleaning and the maintenance in the water bath kettle are inconvenient are solved;

2) in this constant temperature water bath for experiments, cooperate through setting up digital display temperature control table and temperature sensor, can make the temperature control of water bath more accurate, guarantee the reliability of experimental result, increased simultaneously and prevented dry combustion method protect function, with the cooperation of heating plate, solved traditional water bath heat up slow, be afraid of dry combustion method, show the temperature and the actual measurement problem that differs greatly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a block circuit diagram of the present invention;

in the figure: 1. a base; 2. a housing; 3. a water bath pan body; 4. a temperature sensor; 5. a grid support frame; 6. heating the plate; 7. an overheat protector; 8. a cover is turned; 9. a caliber cover; 10. a partition plate; 11. a solid state relay; 12. a digital display temperature control meter; 13. a fuse; 14. a power supply plug; 15. and (6) switching.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the embodiment, as shown in fig. 1-4, the utility model comprises a base 1, a housing 2 is arranged at the upper end of the base 1, a water bath body 3 is arranged at one side of the inner top end of the housing 2, a temperature sensor 4 is arranged at the inner bottom end of the water bath body 3, a grid support frame 5 is arranged above the temperature sensor 4, a heating plate 6 is arranged in the middle of the lower end of the water bath body 3, an overheat protector 7 is arranged at the lower end of the heating plate 6, a flip 8 is arranged at the upper end of the water bath body 3, an aperture cover 9 is arranged at the upper end of an opening of the flip 8, a partition plate 10 is arranged at the inner top end of the housing 2 at one side of the water bath body 3, a solid-state relay 11 is arranged on a side wall of the partition plate 10 far away from the water bath body 3, and a digital display temperature control meter 12 is arranged at the upper end of a side wall of the housing 2.

Wherein, the 3 shaping of the water bath pot body are on shell 2, the butt fusion of 3 inner bottom ends of the water bath pot body of temperature sensor 4 and water bath pot body, the butt fusion of 3 lower extremes of the heating plate 6 upper end and water bath pot body, 5 lower extremes of net support frame and 3 inner bottom ends of the water bath pot body overlap joint, heating plate 6 heats the water in the water bath pot body 3 at the usable heat-conducting principle of during operation, because heating plate 6 depends on 3 lower extremes of the water bath pot body, it has the even characteristics of heat distribution to the heating of the water bath pot body 3, temperature sensor 4 can be the temperature in the 3 interior water bath pot bodies of perception in real time, net support frame 5 can support used flask of water bath heating etc.

Wherein, overheat protector 7 passes through the screw connection with 6 lower extremes of heating plate, baffle 10 shaping top in shell 2, solid state relay 11 passes through the screw connection with baffle 10, base 1 passes through the screw connection with 2 lower extremes of shell, overheat protector 7 can protect heating plate 6, prevent that heating plate 6 from the overheated damage, under the internal anhydrous condition of pot, overheat protector 7 can the disconnect power supply when the high temperature, solid state relay 11 can play protection and relay switch's effect in the inside circuit of thermostat water bath.

Wherein, digital display temperature control table 12 passes through the screw connection with shell 2, flip 8 passes through the draw-in groove with shell 2 and is connected, bore lid 9 passes through the draw-in groove with flip 8 and is connected, and the opening on flip 8 can make the used utensils such as flasks of water-bath heating can be convenient put into water bath pot body 3 in, can select the bore lid 9 of suitable circle layer to cover flip 8 according to the bore size of flask to play heat retaining effect to water bath pot body 3, can effectively reduce calorific loss.

Wherein, the shell 2 is just pegged graft to digital display temperature control table 12 one side wall lower extreme and is had fuse 13, be located and have power bayonet joint 14 through the screw connection on the 2 lateral walls of shell of fuse 13 one side, it has switch 15 to embed on 2 another lateral walls of shell, fuse 13 can protect the inside device of constant temperature water bath, can cut off the power supply in the twinkling of an eye when voltage is too high or the electric current is too high, play the effect of first heavy protection, but through power bayonet joint 14 connecting power line.

Wherein, the switch 15, the power plug 14 and the fuse 13 are all electrically connected with the solid-state relay 11, the temperature sensor 4 is electrically connected with the digital display temperature control meter 12, the overheat protector 7 is electrically connected with the heating plate 6, the digital display temperature control meter 12 can conveniently display the water temperature in the water bath pot body 3 under the assistance of the temperature sensor 4, the water bath temperature of the water bath pot can be set through the digital display temperature control meter 12, when the water temperature in the water bath pot body 3 reaches a set temperature range, the digital display temperature control meter 12 can send a signal according to the set temperature to control the solid-state relay 11 to be powered off and control the heating plate 6 to stop heating, when the water temperature in the water bath pot body 3 is close to the lower limit of the set temperature, the digital display temperature control meter 12 can send a signal according to the set temperature to control the solid-state relay 11 to be powered on, the heating plate 6 to be continuously heated to ensure that the water bath temperature reaches the constant temperature requirement, under the condition that no water exists in the pot body, when the temperature is too high, the overheat protector 7 can instantly cut off the power supply of the whole circuit so as to protect the constant-temperature water bath kettle from being damaged.

The working principle is as follows: the constant temperature water bath kettle works by using an external power supply, a power line can be connected through a power supply plug 14, the water bath kettle body 3 is used for bearing water for water bath, appliances such as a flask and the like used for water bath heating can be conveniently placed into the water bath kettle body 3 through an opening on the turnover cover 8, an aperture cover 9 with a proper ring layer can be selected to cover the turnover cover 8 according to the aperture size of the flask so as to play a role of heat preservation on the water bath kettle body 3, the heat loss can be effectively reduced, the grid support frame 5 can support the flask, the heating plate 6 can heat water in the water bath kettle body 3 by utilizing the principle of heat conduction when in work, the digital display temperature control meter 12 can conveniently display the water temperature in the water bath kettle body 3 under the assistance of the temperature sensor 4, the water bath temperature of the water bath kettle can be set through the digital display temperature control meter 12, when the water temperature in the water bath kettle body 3 reaches a set temperature range, the digital display temperature control meter 12 can send a signal to control the solid relay 11 to disconnect the power supply according to the set temperature, control heating plate 6 stop heating, when the temperature in the water bath pot body 3 was close the lower limit of settlement temperature, digital display temperature control table 12 can be according to the solid-state relay 11 switch on of settlement temperature signal control, control heating plate 6 continues the heating, in order to guarantee that the water bath temperature reaches the constant temperature requirement, under the internal anhydrous condition of pot, overheat protection ware 7 can cut off whole circuit power supply in the twinkling of an eye when the high temperature, in order to protect the constant temperature water bath pot not damaged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a constant temperature water bath for experiments, includes base (1), its characterized in that: the upper end of the base (1) is provided with a shell (2), one side of the inner top end of the shell (2) is provided with a water bath pan body (3), a temperature sensor (4) is arranged at the inner bottom end of the water bath pot body (3), a grid support frame (5) is arranged above the temperature sensor (4), a heating plate (6) is arranged in the middle of the lower end of the water bath pot body (3), an overheat protector (7) is arranged at the lower end of the heating plate (6), a flip cover (8) is arranged at the upper end of the water bath pot body (3), a caliber cover (9) is arranged at the upper end of an opening of the flip cover (8), a clapboard (10) is arranged at the top end in the shell (2) at one side of the water bath pan body (3), a solid-state relay (11) is arranged on one side wall of the clapboard (10) far away from the water bath pot body (3), and a digital display temperature control meter (12) is arranged at the upper end of one side wall of the shell (2).

2. The constant-temperature water bath kettle for experiments as claimed in claim 1, wherein: the water bath pot body (3) form in on shell (2), temperature sensor (4) with the butt fusion in the water bath pot body (3), heating plate (6) upper end with the butt fusion of the water bath pot body (3) lower extreme, net support frame (5) lower extreme with the lap of the butt fusion in the water bath pot body (3).

3. The thermostat water bath for experiments of claim 1, characterized in that: overheat protector (7) with heating plate (6) lower extreme passes through the screw connection, baffle (10) shaping in top in shell (2), solid state relay (11) with baffle (10) pass through the screw connection, base (1) with shell (2) lower extreme passes through the screw connection.

4. The thermostat water bath for experiments of claim 1, characterized in that: the digital display temperature control meter (12) is connected with the shell (2) through a screw, the flip cover (8) is connected with the shell (2) through a clamping groove, and the caliber cover (9) is connected with the flip cover (8) through the clamping groove.

5. The constant-temperature water bath kettle for experiments as claimed in claim 1, wherein: the digital display temperature control meter is characterized in that a fuse (13) is inserted into the lower end of one side wall of the digital display temperature control meter (12) and directly aligned to the shell (2), a power supply plug connector (14) is connected onto the side wall of the shell (2) located on one side of the fuse (13) through a screw, and a switch (15) is embedded into the other side wall of the shell (2).

6. The constant-temperature water bath kettle for experiments as claimed in claim 5, wherein: the switch (15), the power plug (14) and the fuse (13) are electrically connected with the solid-state relay (11), the temperature sensor (4) is electrically connected with the digital display temperature control meter (12), and the overheat protector (7) is electrically connected with the heating plate (6).