CN214390238U - Constant temperature water bath that can high low temperature adjust - Google Patents
Constant temperature water bath that can high low temperature adjust Download PDFInfo
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- CN214390238U CN214390238U CN202023002628.5U CN202023002628U CN214390238U CN 214390238 U CN214390238 U CN 214390238U CN 202023002628 U CN202023002628 U CN 202023002628U CN 214390238 U CN214390238 U CN 214390238U
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Abstract
The utility model relates to a but constant temperature water-bath of high low temperature regulation belongs to laboratory firing equipment technical field. Comprises a body, a circulating pump and a control panel; this internal water bath chamber that is equipped with, water bath intracavity are equipped with temperature sensor I, and water bath chamber right side is equipped with the heat transfer board, and both sides are equipped with hot plate and semiconductor cooler respectively about the heat transfer board, and the heat transfer board water inlet is connected with the circulating pump, are equipped with solenoid valve I on the inlet channel, and circulating pump and water bath chamber intercommunication, heat transfer board delivery port are connected with the water bath chamber, are equipped with temperature sensor II on the outlet conduit, are connected with neutralization pipe between inlet channel and the outlet conduit, are equipped with solenoid valve II on the neutralization pipe, the body on be equipped with control panel. The water in the water bath cavity is pumped out through the circulating pump, then the pumped water is heated or refrigerated and then flows back to the water bath cavity, so that the reflowing water and the water in the water bath cavity are mixed with each other, the temperature in the water bath cavity is changed, the constant water temperature in the water bath cavity is reached, and the water bath effect is ensured.
Description
Technical Field
The utility model belongs to the technical field of laboratory firing equipment, specific theory relates to a but constant temperature water-bath of high low temperature regulation.
Background
The constant-temperature water bath kettle is widely applied to drying, concentration, distillation, impregnation of chemical reagents, impregnation of medicines and biological agents, can also be used for water bath constant-temperature heating and other temperature tests, is a necessary tool for education and scientific research of biology, heredity, viruses, aquatic products, environmental protection, medicine, sanitation, biochemical laboratories and analysis rooms, and is widely applied to evaporation, drying, concentration and constant-temperature heating of enterprises, medical institutions, universities and colleges, scientific research departments and production units.
Electric heat constant temperature water bath is one of the equipment commonly used in the time of being used for sample thermal treatment in the laboratory, it is usually by the pot body, electric heat body and temperature control system constitute, current constant temperature water bath is mostly equipped with U type electric heating pipe in the internal container of pot, directly soak in water, directly heat the water in the water bath through electric heating pipe circular telegram, because electric heating pipe's heating power is comparatively invariable, can lead to the temperature of heating pipe periphery to be higher than the temperature of other positions by a wide margin during the heating, and temperature sensor can only detect the temperature of single position, make the temperature change range great in the water bath, the invariable effect of temperature is relatively poor in the water bath.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a constant temperature water bath kettle capable of being adjusted at high and low temperatures. The water in the water bath cavity is pumped out through the circulating pump, then the pumped water is heated or refrigerated and then flows back to the water bath cavity, so that the reflowing water and the water in the water bath cavity are mixed with each other, the temperature in the water bath cavity is changed, the constant water temperature in the water bath cavity is reached, and the water bath effect is ensured.
In order to achieve the above purpose, the utility model is implemented according to the following technical scheme:
the constant-temperature water bath kettle capable of being adjusted at high and low temperatures comprises a body, a circulating pump, a control panel, a semiconductor refrigerator, a heating plate and a heat exchange plate; the water bath cavity is internally provided with a water bath cavity, a temperature sensor I for measuring the internal water temperature of the water bath cavity is arranged in the water bath cavity, a sealing cover is arranged on an upper cover of the water bath cavity, a heat exchange plate is arranged on the right side of the water bath cavity, a heating plate is arranged at the bottom of the heat exchange plate, a semiconductor refrigerator is arranged at the top of the heat exchange plate, a water inlet of the heat exchange plate is connected with a circulating pump through a water inlet pipeline, a solenoid valve I is arranged on the water inlet pipeline, the circulating pump is communicated with the water bath cavity through a pipeline, a water outlet of the heat exchange plate is connected with the water bath cavity through a water outlet pipeline, a temperature sensor II for detecting the outlet water temperature of the heat exchange plate is arranged on the water outlet pipeline, a neutralizing pipeline is connected between the water inlet pipeline and the water outlet pipeline, a solenoid valve II is arranged on the neutralizing pipeline, a control panel is arranged on the body, a signal input end of the control panel is respectively connected with the temperature sensor I and the temperature sensor II, a signal output end of the control panel is respectively connected with the solenoid valve I, Solenoid valve II, semiconductor refrigerator, hot plate, circulating pump.
Preferably, the water bath cavity is internally provided with a carrier, the carrier divides the water bath cavity into a water inlet cavity and a water outlet cavity, the circulating pump is communicated with the water outlet cavity through a pipeline, the water inlet pipeline is communicated with the water inlet cavity, and the carrier is provided with a communicating hole.
Preferably, the neutralization pipeline is connected with the water outlet pipeline through a liquid mixer.
Preferably, the periphery of the water bath cavity is wrapped with a heat insulation layer.
Preferably, the upper side surface of the body is provided with a vent hole matched with the position of the semiconductor refrigerator.
The utility model has the advantages that:
the utility model discloses a water of circulating pump in with the water bath cavity is taken out, then go into the water bath cavity to the water of taking out after heating or refrigerating, make the water of backward flow and the water intermix of water bath cavity, and the water bath intracavity temperature variation of neutralization to reach the invariant of water bath intracavity temperature, guarantee the water bath effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of a heat exchange plate of the present invention;
fig. 3 is a control block diagram of the present invention;
in the figures 1-3, 1-a body, 2-a circulating pump, 3-a water bath cavity, 4-a semiconductor refrigerator, 5-a heating plate, 6-a heat exchange plate, 7-a temperature sensor I, 8-a temperature sensor II, 9-a sealing cover, 10-an electromagnetic valve I, 11-an electromagnetic valve II, 12-a water inlet pipeline, 13-a water outlet pipeline, 14-a neutralizing pipeline, 15-a control panel, 16-a carrier, 17-a water inlet cavity, 18-a water outlet cavity, 19-a communicating hole, 20-a liquid mixer, 21-a heat preservation layer and 22-a vent hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-3, the thermostat water bath capable of adjusting high and low temperatures includes a body 1, a circulating pump 2, a control panel 15, a semiconductor refrigerator 4, a heating plate 5, and a heat exchange plate 6; this body 1 in be equipped with water bath chamber 3, the water bath process all goes on in water bath chamber 3, is equipped with temperature sensor I7 that is used for measuring its inside temperature in water bath chamber 3, 3 upper covers in water bath chamber are equipped with sealed lid 9, enclose into an inclosed cavity with water bath chamber 3, reduce the heat exchange of 3 inside liquid in water bath chamber and external world, make the temperature more invariable, guarantee the water bath effect. The right side of the water bath cavity 3 is provided with a heat exchange plate 6, the bottom of the heat exchange plate 6 is provided with a heating plate 5, the top of the heat exchange plate 6 is provided with a semiconductor refrigerator 4, the water inlet of the heat exchange plate 6 is connected with a circulating pump 2 through a water inlet pipeline 12, the water inlet pipeline 12 is provided with an electromagnetic valve I10, the circulating pump 2 is communicated with the water bath cavity 3 through a pipeline, the water outlet of the heat exchange plate 6 is connected with the water bath cavity 3 through a water outlet pipeline 13, the water outlet pipeline 13 is provided with a temperature sensor II 8 for detecting the outlet water temperature of the water outlet pipeline, a neutralization pipeline 14 is connected between the water inlet pipeline 12 and the water outlet pipeline 13, the neutralization pipeline 14 is provided with an electromagnetic valve II 11, the body 1 is provided with a control panel 15, a controller which is a PLC is arranged in the control panel 15, an operator checks and inputs various relevant data of the water bath kettle through the control panel 15, and the signal input end of the control panel 15 is respectively connected with the temperature sensor I7 and the temperature sensor II 8, the signal output end of the control panel 15 is respectively connected with an electromagnetic valve I10, an electromagnetic valve II 11, a semiconductor refrigerator 4, a heating plate 5 and a circulating pump 2, the temperature sensor I7 detects the water temperature in the water bath cavity 3 in real time and transmits the water temperature to the control panel 15 to obtain real-time change parameters of the water temperature in the water bath cavity 3, the control panel 15 sends out relevant instructions according to input signals to control the circulating pump 2 to start, water continuously pumped from the water bath cavity 3 is sent to the heat exchange plate 6 to be subjected to heat exchange and then is led into the water bath cavity 3, the temperature sensor II 8 detects the temperature of the circularly led water in real time and transmits the temperature to the control panel 15, according to the real-time change speed of the water temperature in the water bath cavity 3, the difference value of the circulating guide water and the water temperature in the water bath cavity 3 is controlled, so that the water temperature in the water bath cavity 3 is balanced, the temperature in the water bath cavity 3 is in a stable state, and the water bath effect is ensured. Comparing the water temperature in the water bath cavity 3 with a set temperature, and controlling the heating plate 5 to start when the water temperature in the water bath cavity 3 has a continuous descending trend so as to heat the introduced circulating water; when the water temperature in the water bath cavity 3 continuously rises, the semiconductor refrigerator 4 is controlled to be started, so that the temperature of the introduced circulating water is reduced; the water temperature in the water bath cavity 3 is stabilized by controlling the large opening degree of the electromagnetic valve I10 and the electromagnetic valve II 11 and adjusting the circulating leading-in water temperature.
The water bath chamber 3 in be equipped with carrier 16, carrier 16 divides water bath chamber 3 in into intake antrum 17 and play water cavity 18, circulating pump 2 passes through the pipeline and goes out water cavity 18 intercommunication, intake pipe 12 and intake antrum 17 intercommunication, carrier 16 is equipped with intercommunicating pore 19, during the water bath, the test object is placed on carrier 16, through intake antrum 17 and the setting of going out water cavity 18, guarantees that the water homoenergetic in water bath chamber 3 can participate in the circulation, avoids the water of different positions in water bath chamber 3 to have the difference in temperature.
The neutralization pipeline 14 is connected with the water outlet pipeline 13 through a liquid mixer 20, so that the temperature of the circulating guide-in water detected by the temperature sensor II 8 is more accurate.
The periphery of the water bath cavity 3 is wrapped with the heat preservation layer 21, so that heat exchange between water in the water bath cavity 3 and the outside is effectively reduced, and the constancy of the water temperature in the water bath cavity 3 is improved.
The upper side surface of the body 1 is provided with a vent hole 22 matched with the position of the semiconductor refrigerator 4, so that the temperature on the semiconductor refrigerator 4 is led out of the body 1 in time, and the refrigerating efficiency of the semiconductor refrigerator 4 is ensured.
The utility model discloses the working process: an operator inputs a set temperature through the control panel 15 and starts the equipment, the control panel 15 controls the circulating pump 2 to start, the temperature sensor I7 detects the water temperature in the water bath cavity 3 in real time and transmits the water temperature to the control panel 15, the temperature sensor II 8 detects the water temperature of circulating guide water in real time and transmits the water temperature to the control panel 15, the control panel 15 sends a control command according to an input signal, the control panel 15 controls the opening of the electromagnetic valve I10 and the electromagnetic valve II 11 according to the difference value and the change rate of the water temperature in the water bath cavity 3 and the set temperature, and the temperature difference between the circulating input water temperature and the water temperature in the water bath cavity 3 is adjusted; the water temperature in the water bath cavity 3 is lower than the set temperature or has a continuous descending trend, the control panel 15 controls the heating plate 5 to start, and the water temperature in the water bath cavity 3 is higher than the set temperature or has a continuous ascending trend.
The utility model discloses a water of circulating pump in with the water bath cavity is taken out, then go into the water bath cavity to the water of taking out after heating or refrigerating, make the water of backward flow and the water intermix of water bath cavity, and the water bath intracavity temperature variation of neutralization to reach the invariant of water bath intracavity temperature, guarantee the water bath effect.
Finally, it is noted that the above preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims; the size of the attached figure is irrelevant to the specific real object, and the size of the real object can be changed at will.
Claims (5)
1. A constant temperature water bath that can high low temperature adjust which characterized in that: the thermostatic water bath kettle capable of being adjusted at high and low temperatures comprises a body (1), a control panel (15), a water bath cavity (3), a semiconductor refrigerator (4), a heating plate (5) and a heat exchange plate (6); the water bath device is characterized in that a water bath cavity (3) is arranged in the body (1), a temperature sensor I (7) used for measuring the water temperature inside the water bath cavity (3) is arranged in the water bath cavity (3), a sealing cover (9) is arranged on the upper cover of the water bath cavity (3), a heat exchange plate (6) is arranged on the right side of the water bath cavity (3), a heating plate (5) is arranged at the bottom of the heat exchange plate (6), a semiconductor refrigerator (4) is arranged at the top of the heat exchange plate (6), a water inlet of the heat exchange plate (6) is connected with a circulating pump (2) through a water inlet pipeline (12), a solenoid valve I (10) is arranged on the water inlet pipeline (12), the circulating pump (2) is communicated with the water bath cavity (3) through a pipeline, a water outlet of the heat exchange plate (6) is connected with the water bath cavity (3) through a water outlet pipeline (13), a temperature sensor II (8) used for detecting the water outlet temperature of the water is arranged on the water outlet pipeline (13), and a neutralization pipeline (14) is connected between the water inlet pipeline (12) and the water outlet pipeline (13), be equipped with solenoid valve II (11) on neutralization pipeline (14), body (1) on be equipped with control panel (15), control panel (15) signal input part is connected with temperature sensor I (7), temperature sensor II (8) respectively, control panel (15) signal output part is connected with solenoid valve I (10), solenoid valve II (11), semiconductor cooler (4), hot plate (5), circulating pump (2) respectively.
2. The thermostat water bath kettle capable of being adjusted at high and low temperatures according to claim 1, characterized in that: the water bath device is characterized in that a carrier (16) is arranged in the water bath cavity (3), the carrier (16) divides the interior of the water bath cavity (3) into a water inlet cavity (17) and a water outlet cavity (18), the circulating pump (2) is communicated with the water outlet cavity (18) through a pipeline, the water inlet pipeline (12) is communicated with the water inlet cavity (17), and the carrier (16) is provided with a communicating hole (19).
3. The thermostat water bath kettle capable of being adjusted in high and low temperatures according to claim 1 or 2, characterized in that: the neutralization pipeline (14) is connected with the water outlet pipeline (13) through a liquid mixer (20).
4. The thermostat water bath kettle capable of being adjusted at high and low temperatures according to claim 3, characterized in that: the periphery of the water bath cavity (3) is wrapped with a heat insulation layer (21).
5. The thermostat water bath kettle capable of being adjusted at high and low temperatures according to claim 4, characterized in that: the upper side surface of the body (1) is provided with a vent hole (22) matched with the position of the semiconductor refrigerator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023002628.5U CN214390238U (en) | 2020-12-15 | 2020-12-15 | Constant temperature water bath that can high low temperature adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023002628.5U CN214390238U (en) | 2020-12-15 | 2020-12-15 | Constant temperature water bath that can high low temperature adjust |
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| Publication Number | Publication Date |
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| CN214390238U true CN214390238U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023002628.5U Active CN214390238U (en) | 2020-12-15 | 2020-12-15 | Constant temperature water bath that can high low temperature adjust |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200109A (en) * | 2022-07-29 | 2022-10-18 | 郑州轻工业大学 | Air conditioning system for rapidly maintaining constant temperature and humidity of clean room |
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2020
- 2020-12-15 CN CN202023002628.5U patent/CN214390238U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200109A (en) * | 2022-07-29 | 2022-10-18 | 郑州轻工业大学 | Air conditioning system for rapidly maintaining constant temperature and humidity of clean room |
| CN115200109B (en) * | 2022-07-29 | 2023-07-25 | 郑州轻工业大学 | Air conditioning system for rapidly maintaining constant humidity of clean room temperature |
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