CN209866092U - Constant temperature water bath based on microwave heating - Google Patents
Constant temperature water bath based on microwave heating Download PDFInfo
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- CN209866092U CN209866092U CN201920011078.1U CN201920011078U CN209866092U CN 209866092 U CN209866092 U CN 209866092U CN 201920011078 U CN201920011078 U CN 201920011078U CN 209866092 U CN209866092 U CN 209866092U
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Abstract
The utility model provides a constant temperature water bath based on microwave heating, include the casing that comprises the water bath chamber on upper portion and the heating chamber of lower part, the water bath intracavity is equipped with the temperature sensor of heat-conducting medium and the temperature that is used for detecting the heat-conducting medium, the lateral part of casing is equipped with the control box, the intracavity is equipped with the heating device that is used for carrying out the heating to the heat-conducting medium, temperature sensor and heating device are connected with the control box respectively, heating device is the microwave heating part, the intracavity is equipped with the medium pipe, the both ends of medium pipe communicate with the water bath chamber respectively, be equipped with the power device that makes the heat-conducting medium flow in the medium pipe on the medium pipe, power device and control box are connected, the microwave heating part sets up on the medium pipe and heats the. The utility model discloses a constant temperature water bath based on microwave heating because heating device is the microwave heater block, can be so that the temperature in the constant temperature water bath is more even, and the thermostatic control reaction is more sensitive.
Description
Technical Field
The utility model relates to a firing equipment technical field, concretely relates to constant temperature water bath especially relates to a constant temperature water bath based on microwave heating.
Background
The constant temperature water bath or oil bath is mainly used for distillation, drying, concentration, impregnation and providing chemical reaction temperature environment and place, and is an essential device for biological, genetic, viral, environmental protection and medical production and test, as well as analysis rooms and laboratories.
Generally, a stainless steel tubular heater is horizontally placed in a constant-temperature water bath kettle or an oil bath kettle, an aluminum shelf with holes is placed in a water tank, an upper cover is provided with combined ferrules with different calibers and is suitable for flasks with different calibers, a water drain pipe is arranged on the left side of the water bath kettle, an electric box is arranged on the right side of the constant-temperature water bath kettle, a temperature control instrument and a power switch are arranged on a front panel of the electric box, and an electric heating pipe and a sensor are arranged in the electric box. The temperature control system controls the average heating power of the electric heating pipe through a set program and a feedback temperature signal, so that the water in the water tank is kept at a constant temperature.
The utility model with the application number of '201720793304.7' discloses an electric heating constant temperature water bath, which comprises a water bath body, wherein the water bath body comprises a square pot body and a controller for controlling the temperature of the pot body, the bottom in the pot body is provided with a U-shaped electric heating tube, the inner wall of the pot body is provided with a temperature probe, the controller is arranged at the front side of the pot body, a rotating shaft is arranged between the left and right side walls in the pot body, the left and right side walls outside the pot body are provided with micro motors, the rotating shaft is connected with the micro motors, the front end of the rotating shaft is detachably connected with a propeller, a plurality of support plates are hinged on the left and right side walls in the pot body, the length of the support plates along the left and right directions is smaller than the distance between the left and right side walls in the pot body, the, the pot body inside wall upper end be equipped with the protruding looks adaptation of card draw-in groove, the protruding and draw-in groove block of card is connected, the equipartition has a plurality of through-holes in the backup pad.
However, the temperature control precision of the thermostatic waterbath in the above patent and the prior art is low, the thermostatic control reaction is delayed, the thermostatic effect is poor, and the medium temperature is not uniform, so that the requirement for the test accurate control can not be met.
Microwave heating is a process of heating an object by using the energy characteristics of microwaves. Microwaves are electromagnetic waves having a frequency of 300 megahertz to 300 gigahertz. The water molecules in the heated medium material are polar molecules, and under the action of the rapidly changed high-frequency electromagnetic field, the polar orientation of the water molecules is changed along with the change of the external electric field, so that the movement and mutual friction effect of the molecules are caused. At the moment, the field energy of the microwave field is converted into the heat energy in the medium, so that the temperature of the material is raised, and a series of physical and chemical processes of thermalization and puffing are generated, thereby achieving the aim of microwave heating and drying. The microwave heats the medium material instantaneously, so it has the characteristic of quick heating. On the other hand, the output power of the microwave can be adjusted at any time, the temperature rise of the medium can be changed without inertia, the phenomenon of waste heat does not exist, and the requirements of automatic control and continuous production are greatly met. However, there is no device for applying microwaves to a constant temperature water bath or oil bath. Therefore, for those skilled in the art, it is realistic to develop a thermostat water bath based on microwave heating.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model aims to provide a constant temperature water-bath based on microwave heating to solve at least one technical problem that the background art exists.
In order to solve the problems, the utility model provides a constant temperature water bath kettle based on microwave heating, which comprises a shell body consisting of a water bath cavity at the upper part and a heating cavity at the lower part, a heat-conducting medium and a temperature sensor for detecting the temperature of the heat-conducting medium are arranged in the water bath cavity, a control box is arranged on the side part of the shell, a heating device for heating the heat-conducting medium is arranged in the heating cavity, the temperature sensor and the heating device are respectively connected with the control box, the heating device is a microwave heating component, a medium guide pipe is arranged in the heating cavity, two ends of the medium guide pipe are respectively communicated with the water bath cavity, the medium conduit is provided with a power device for promoting the heat-conducting medium to flow in the medium conduit, the power device is connected with the control box, the microwave heating part is arranged on the medium guide pipe and heats the heat conducting medium flowing through the medium guide pipe.
As a further improvement of the constant-temperature water bath kettle based on microwave heating, the power device comprises a circulating pump.
As a further improvement of the constant-temperature water bath kettle based on microwave heating, the medium guide pipe comprises metal guide pipes at two ends and a ceramic guide pipe in the middle, the power device is arranged on the metal guide pipe, and the microwave heating component is arranged at the ceramic guide pipe.
As a further improvement of the constant-temperature water bath kettle based on microwave heating, the side wall of the water bath cavity is circumferentially provided with a heat insulation layer.
As a further improvement of the constant-temperature water bath kettle based on microwave heating, a stirring paddle is arranged in the water bath cavity.
As a further improvement of the constant-temperature water bath kettle based on microwave heating, the upper part and the lower part of the water bath cavity are respectively provided with a medium inlet and a medium outlet.
As a further improvement of the microwave heating-based constant-temperature water bath kettle, a controller and a microwave power supply for supplying power to the microwave heating part are arranged in the control box, and a control panel for displaying and regulating and a main equipment switch are arranged on the control box.
As a further improvement of the microwave heating-based constant-temperature water bath kettle, the controller is a single chip microcomputer or a PLC programmable controller.
As a further improvement of the constant-temperature water bath kettle based on microwave heating, the top wall of the water bath cavity is provided with a plurality of sealing covers for placing the reactor.
As a further improvement of the constant-temperature water bath kettle based on microwave heating, the heat-conducting medium is water or silicone oil.
The utility model discloses a constant temperature water bath based on microwave heating, because heating device is the microwave heater block, the microwave is instantaneous heating to dielectric material and heaies up, microwave heating has the heating evenly, the rate of heating is fast, calorific loss is little, convenient operation, folding control is timely, characteristics such as reaction sensitivity, simultaneously microwave output is adjustable at any time, the medium temperature rise can not have the change thereupon of inertia, there is not "waste heat" phenomenon, the needs that are favorable to automatic control and serialization production extremely, therefore can make the temperature in the constant temperature water bath more even, the thermostatic control reaction is more sensitive. Furthermore, this the utility model discloses have green, energy utilization is high, does not have the problem that the microwave was revealed.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a microwave heating-based constant temperature water bath according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a microwave heating-based constant temperature water bath according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a constant temperature water bath kettle based on microwave heating according to a third embodiment of the present invention.
In the drawings:
10-water bath cavity 20-heating cavity 30-heat conducting medium
40-temperature sensor 50-control box 60-microwave heating component
70-medium conduit 80-circulation pump 71-metal conduit
72-ceramic conduit 90-heat insulation layer 100-stirring paddle
110-medium inlet 120-medium outlet 51-microwave power supply
52-control panel 53-equipment main switch 130-sealing cover
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.
In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the appearing terms is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that unless otherwise explicitly specified and limited, the specific meaning of the above terms in the present invention can be specifically understood by those of ordinary skill in the art.
Fig. 1 is a schematic structural view of a microwave heating-based constant temperature water bath according to a first embodiment of the present invention; fig. 2 is a schematic structural view of a microwave heating-based constant temperature water bath according to a second embodiment of the present invention; fig. 3 is a schematic structural view of a constant temperature water bath kettle based on microwave heating according to a third embodiment of the present invention. The direction of the arrows in the figure indicates the direction of flow of the heat transfer medium 30.
Referring to fig. 1 to 3, a constant temperature water bath based on microwave heating includes a housing formed by an upper water bath chamber 10 and a lower heating chamber 20, a heat conducting medium 30 and a temperature sensor 40 for detecting a temperature of the heat conducting medium 30 are disposed in the water bath chamber 10, a control box 50 is disposed at a side of the housing, a heating device for heating the heat conducting medium 30 is disposed in the heating chamber 20, and the temperature sensor 40 and the heating device are respectively connected to the control box 50. The utility model is different from the prior art, heating device is microwave heating part 60, be equipped with medium pipe 70 in the heating chamber 20, medium pipe 70's both ends respectively with water bath chamber 10 intercommunication, be equipped with the power device that makes heat-conducting medium 30 flow in medium pipe 70 on the medium pipe 70, power device and control box 50 are connected, microwave heating part 60 sets up heat the heat-conducting medium 30 to the flow through medium pipe 70 on the medium pipe 70.
In the above embodiment, the control box 50 is used for controlling the heating temperature in the water bath chamber 10 through the temperature sensor 40 and the heating device. The temperature sensor 40 may be a thermocouple. The heat-conducting medium 30 may be water, silicone oil, or other liquid medium capable of conducting heat and being stable. The microwave heating unit 60 includes a microwave emitting device such as a microwave emitting source and a microwave waveguide. Optionally, a controller and a microwave power supply 130 for supplying power to the microwave heating element 60 are arranged in the control box 50, a control panel 52 for displaying and controlling and an equipment main switch 53 are arranged on the control box 50, the controller can be a single chip microcomputer or a Programmable Logic Controller (PLC), the power device, the microwave heating element 60, the microwave power supply 130, the temperature sensor 40, the equipment main switch 53 and the control panel 52 are all connected with the controller, and the controller controls the output power of the microwave heating element 60 through the microwave power supply 130 according to a detection signal of the temperature sensor 40, so that the purpose of controlling the heating temperature in the water bath cavity 10 is achieved.
In use, the heat transfer medium 30 is circulated in the medium conduit 70 by the power device, and the heat transfer medium 30 flowing through the medium conduit 70 is heated by the microwave heating component 60.
The utility model discloses a constant temperature water bath based on microwave heating, because heating device is the microwave heater block, the microwave is instantaneous heating to dielectric material and heaies up, microwave heating has the heating evenly, the rate of heating is fast, calorific loss is little, convenient operation, folding control is timely, characteristics such as reaction sensitivity, simultaneously microwave output is adjustable at any time, the medium temperature rise can not have the change thereupon of inertia, there is not "waste heat" phenomenon, the needs that are favorable to automatic control and serialization production extremely, therefore can make the temperature in the constant temperature water bath more even, the thermostatic control reaction is more sensitive. Furthermore, this the utility model discloses have green, energy utilization is high, does not have the problem that the microwave was revealed.
Specifically, the power device includes a circulation pump 80, and the circulation pump 80 may be driven by an electric motor or a motor. The heating chamber 20 is made of a metal housing by utilizing a mechanism that microwaves do not act on metal but easily pass through ceramics, plastics and paper products, the medium guide pipe 70 comprises a metal guide pipe 71 at both ends and a ceramic guide pipe 72 in the middle, the power device is arranged on the metal guide pipe 71, and the microwave heating part 60 is arranged at the ceramic guide pipe 72. In this embodiment, the heat-conducting medium 30 in the water bath chamber 10 flows through the metal conduit 71, the circulating pump 80, the ceramic conduit 72, and the metal conduit 71 in sequence and then returns to the water bath chamber 10.
In order to reduce the heat dissipation of the water bath cavity 10, it is preferable that the side wall of the water bath cavity 10 is provided with an insulating layer 90 along the circumferential direction. In a specific embodiment, the insulating layer 90 is a vacuum-tight interlayer with a double-layer or multi-layer structure, the material of the insulating layer 90 may be glass or ceramic, the thickness of the vacuum-tight interlayer may be adjusted according to the volume of the water bath, generally, the thicker the vacuum-tight interlayer is, the better, optionally, the thickness of the vacuum-tight interlayer is greater than or equal to 1 mm. In order to make the heat transfer more uniform, preferably, a stirring paddle 100 is arranged in the water bath cavity 10, the stirring paddle 100 is connected with the control box 50, and the stirring paddle 100 can be driven by a motor or a motor and is used for generating rotational flow, so that the heat transfer in the liquid phase is more uniform. It should be noted that both the paddles 100 and the insulating layer 90 can be arranged according to the prior art or the prior art, and are not described herein again.
In order to supply and clean the heat-conducting medium 30 in the constant temperature water bath, the upper part and the lower part of the water bath chamber 10 are respectively provided with a medium inlet 110 and a medium outlet 120, and the medium inlet 110 and the medium outlet 120 are respectively provided with a control valve.
Specifically, optionally, the top wall of the water bath cavity 10 is provided with a plurality of sealing covers 130 for placing the reactor, that is, the top wall of the water bath cavity 10 is embedded with the sealing covers 130 for placing the reactor. The sealing cover 130 is detachably connected with the top wall of the water bath chamber 10 by screw threads or can be clamped. It should be noted that the sealing cover 130 may be configured according to the prior art or the prior art, and will not be described herein.
To sum up, the utility model discloses a constant temperature water bath based on microwave heating, because heating device is the microwave heater block, the microwave is instantaneous heating intensification to dielectric material, microwave heating has the heating even, the rate of heating is fast, calorific loss is little, high durability and convenient operation, folding control is timely, characteristics such as reaction sensitivity, simultaneously microwave output is adjustable at any time, the medium temperature rise can not have changing thereupon of inertia, do not have "waste heat" phenomenon, the needs that are greatly favorable to automatic control and serialization production, therefore can make the temperature in the constant temperature water bath more even, the thermostatic control reaction is more sensitive. Furthermore, this the utility model discloses have green, energy utilization is high, does not have the problem that the microwave was revealed.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a constant temperature water bath based on microwave heating, includes the casing that comprises water bath chamber (10) on upper portion and heating chamber (20) of lower part, be equipped with heat-conducting medium (30) in water bath chamber (10) and be used for detecting temperature sensor (40) of the temperature of heat-conducting medium (30), the lateral part of casing is equipped with control box (50), be equipped with the heating device who is used for heating heat-conducting medium (30) in heating chamber (20), temperature sensor (40) and heating device respectively with control box (50) are connected, its characterized in that: heating device is microwave heating element (60), be equipped with medium pipe (70) in heating chamber (20), the both ends of medium pipe (70) respectively with water bath chamber (10) intercommunication, be equipped with the power device that makes heat-conducting medium (30) flow in medium pipe (70) on medium pipe (70), power device and control box (50) are connected, microwave heating element (60) set up heat-conducting medium (30) through medium pipe (70) on medium pipe (70).
2. The microwave heating-based constant temperature water bath according to claim 1, characterized in that: the power plant comprises a circulation pump (80).
3. The microwave heating-based constant temperature water bath according to claim 1, characterized in that: the medium guide pipe (70) comprises metal guide pipes (71) at two ends and a ceramic guide pipe (72) in the middle, the power device is arranged on the metal guide pipes (71), and the microwave heating part (60) is arranged at the ceramic guide pipe (72).
4. The microwave heating-based constant temperature water bath according to claim 1, characterized in that: and a heat-insulating layer (90) is arranged on the side wall of the water bath cavity (10) along the circumferential direction.
5. The microwave heating-based constant temperature water bath according to claim 1, characterized in that: a stirring paddle (100) is arranged in the water bath cavity (10).
6. The microwave heating-based constant temperature water bath according to any one of claims 1-5, characterized in that: the upper part and the lower part of the water bath cavity (10) are respectively provided with a medium inlet (110) and a medium outlet (120).
7. The microwave heating-based constant temperature water bath according to any one of claims 1-5, characterized in that: the microwave heating device is characterized in that a controller and a microwave power supply (51) for supplying power to the microwave heating part (60) are arranged in the control box (50), and a control panel (52) for displaying and regulating and a device main switch (53) are arranged on the control box (50).
8. The microwave heating-based constant temperature water bath according to claim 7, characterized in that: the controller is a single chip microcomputer or a PLC programmable controller.
9. The microwave heating-based constant temperature water bath according to any one of claims 1-5, characterized in that: the top wall of the water bath cavity (10) is provided with a plurality of sealing covers (130) for placing the reactor.
10. The microwave heating-based constant temperature water bath according to any one of claims 1-5, characterized in that: the heat-conducting medium (30) is water or silicone oil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920011078.1U CN209866092U (en) | 2019-01-04 | 2019-01-04 | Constant temperature water bath based on microwave heating |
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| CN201920011078.1U CN209866092U (en) | 2019-01-04 | 2019-01-04 | Constant temperature water bath based on microwave heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465045A (en) * | 2019-01-04 | 2019-03-15 | 黄湛明 | A kind of thermostat water bath based on microwave heating |
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2019
- 2019-01-04 CN CN201920011078.1U patent/CN209866092U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465045A (en) * | 2019-01-04 | 2019-03-15 | 黄湛明 | A kind of thermostat water bath based on microwave heating |
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