CN102896011A - Electromagnetically-heated safe energy-saving super thermostatic bath - Google Patents
Electromagnetically-heated safe energy-saving super thermostatic bath Download PDFInfo
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- CN102896011A CN102896011A CN 201210330907 CN201210330907A CN102896011A CN 102896011 A CN102896011 A CN 102896011A CN 201210330907 CN201210330907 CN 201210330907 CN 201210330907 A CN201210330907 A CN 201210330907A CN 102896011 A CN102896011 A CN 102896011A
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Abstract
The invention provides an electromagnetically-heated safe energy-saving super thermostatic bath which comprises a housing, a bath body, an insulation board, coils, magnetic stripes, a control circuit, a circulating pump, a water inlet, a water outlet, a water drain valve and an advection tray, wherein the bath body is provided with the water inlet, the water outlet and the water drain valve, the advection tray is arranged in the bath body, the coils are in a same plane, helically coiled, fixedly arranged below the bottom surface of the bath body and electrically connected with the control circuit, the insulation board is located between the coils and the bath body, and the magnetic stripes are arranged below the coils along a radial direction. The thermostatic bath is characterized in that the coils generate an alternating magnetic field to allow the bath body to generate eddy currents so as to give out heat. The electromagnetically-heated safe energy-saving super thermostatic bath provided by the invention has the following advantages and beneficial effects: since the bath body can give out heat, thermal inertia is small, water in the bath body can be rapidly heated after the thermostatic bath is charged with electricity, the circulating pump forces convective circulation, so water temperature is more uniform and consistent; a gap between the bottom of the bath body and the coils is small, so electrothermal conversion efficiency is high and electric energy is better saved; and the thermostatic bath is convenient to maintain and has a long service life, and safety performance is improved because of complete isolation of electric heat.
Description
Technical field:
The present invention relates to a kind of heater, particularly a kind of chemistry, biology laboratory are used for the Electromagnetic Heating energy-saving safe super constant temperature trough of the utensils such as heating beaker, test tube.
Background technology:
Thermostat is that a class temperature can be regulated and the constant experimental facilities at a certain design temperature of energy.Various thermostats are widely used in the fields such as bioengineering, fine chemistry industry, food medicine, oil, metallurgy, agricultural, be in institution of higher learning, scientific research institutions, quality testing department scientific research, production and the teaching process to material particularly to the evaporation of heat sensitive material, concentrated, crystallization, drying, widely used, the requisite firing equipment of impregnating process.Super constant temperature trough is a kind of special type of thermostat, its temperature-controlled precision is high, generally agitating device is arranged so that in the groove temperature even, not only be used for the thermal source that above-mentioned industry also is used as the other industry thermal measurement, as being used for the detection of vehicle water temp sensor.The super constant temperature trough that uses at present comprises shell, cell body, heater element, control circuit and agitating device, and heater element is electric heating tube; It is interior near the bottom that electric heating tube is installed on cell body, and heat-generating pipe is communicated with control circuit, and control circuit is by the break-make of electric current or the size of the electric current that control is passed through in the temperature controller control heat-generating pipe, with the temperature of the temperature in the maintenance cell body in setting.This class super constant temperature trough is because heater element is resistance element, and not only the thermal efficiency is lower, and the heater element of electric heating one and cell body, housing contacts are close, especially under the high temperature insulating materials easily inefficacy cause cell body charged, personal injury accident easily occurs.
Summary of the invention:
Purpose of the present invention is exactly the defects that will overcome prior art, and a kind of efficient, safe Electromagnetic Heating energy-saving safe super constant temperature trough is provided.
For achieving the above object, Electromagnetic Heating energy-saving safe super constant temperature trough provided by the invention, comprise shell and cell body, also comprise heat-insulating shield, coil, magnetic stripe, control circuit, circulating pump, the water inlet of being located at cell body, delivery port and Draw off valve and the interior advection dish of groove in the described shell, it is characterized in that coil produces alternating magnetic field and makes described cell body produce eddy-current heating.Described cell body is bearing in the top of described shell, described coil in one plane is the spiral form coiling, described coil is fixedly mounted on the below of described cell body bottom surface and links to each other with described control circuit electricity, described heat-insulating shield is between described coil and described cell body, the following magnetic stripe that radially is equipped with of described coil, described advection dish is fixedly mounted on the bottom surface in the described cell body concentric with described coil by four strong points; The corresponding coil circle centre position in below that described water inlet is located at the cell body bottom surface connects circulating pump by silicone tube, and the other end of circulating pump connects delivery port and Draw off valve, and the mineral wool muff is all wrapped up in the cell body outside except coiler part.
Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention, the cross section diameter of the used wire of wherein said coil is 4.5 millimeters, close by the stranded rear outside of the high temperature resistant enamel covered wire of multiply is that 0.5 millimeter glass wire parcel forms around one deck diameter, and the appearance of described coil has resin-sealed layer.
Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention, wherein said heat-insulating shield is glass mat or asbestos board, its thickness is 1～2mm.
Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention, wherein said cell body adopt ferrimagnet to make, and are the magnetic stainless steel material.
Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention, wherein said advection dish are circular magnetic stainless steel thin slice, thickness 1～2mm, and diameter is greater than the diameter 2cm of corresponding coil.
Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention, wherein said mineral wool muff, cotton as the inner filling glass of cover take glass cloth, its thickness is greater than 2cm.
Advantage and the good effect of Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention are: owing to being that coil generation alternating magnetic field makes cell body produce eddy-current heating, so thermal inertia is little, the liquid after the energising in the cell body can heat up rapidly; Cell body and coil gap are little, the following magnetic stripe that radially is equipped with of coil, magnetic stripe shields electromagnetic field, can prevent effectively that electromagnetic energy from revealing from the below, improve electromagnetic conversion efficiency, thick mineral wool muff is all wrapped up in the cell body outside in addition, so the high insulating effect electric conversion efficiency is high, more saves electric energy; Easy to maintenance, long service life.Simultaneously because the coil integral sealing and and cell body between nonmetallic heat-insulating shield is arranged, electric heating is isolated fully, thereby security performance improves greatly, has guaranteed user's personal safety.
Description of drawings
Fig. 1 is that the master of Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention looks cutaway view;
The specific embodiment
Describe the embodiment of Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention in detail below in conjunction with accompanying drawing.
With reference to Fig. 1, Electromagnetic Heating energy-saving safe super constant temperature trough provided by the invention, comprise shell 1 and cell body 2, also comprise heat-insulating shield 3, coil 4, magnetic stripe 5, control circuit 7, circulating pump 10, the water inlet 8 of being located at cell body, delivery port 11 and Draw off valve 12 and the interior advection dish 6 of groove in the described shell 1, it is characterized in that coil 4 produces alternating magnetic fields and makes described cell body 2 produce eddy-current heatings.Described cell body 2 is bearing in the top of described shell 1, described coil 4 in one plane is the spiral form coiling, described coil 4 is fixedly mounted on the below of described cell body 2 bottom surfaces and links to each other with described control circuit 7 electricity, described heat-insulating shield 3 is between described coil 4 and described cell body 2, the following magnetic stripe 5 that radially is equipped with of described coil 4, described advection dish 6 is fixedly mounted on the bottom surface in the described cell body 2 with described coil 4 concentric by four strong points; Corresponding coil 4 circle centre positions in below that described water inlet 8 is located at cell body 2 bottom surfaces connect circulating pump 10 by silicone tube 9, and the other end of circulating pump 10 connects delivery port 11 and Draw off valve 12, and mineral wool muff 13 is all wrapped up in cell body 2 outsides except coil 4 parts.
The cross section diameter of wherein said coil 4 used wires is 4.5 millimeters, and close by the stranded rear outside of the high temperature resistant enamel covered wire of multiply is that 0.5 millimeter glass wire parcel forms around one deck diameter, and the appearance of described coil has resin-sealed layer.
Wherein said heat-insulating shield 3 is glass mat or asbestos board, and its thickness is 1～2mm.
Wherein said cell body 2 adopts ferrimagnet to make, and is the magnetic stainless steel material.
Wherein said advection dish 6 is circular magnetic stainless steel thin slice, thickness 1～2mm, and diameter is greater than the diameter 2cm of corresponding coil 4.
Wherein said mineral wool muff 13, cotton as the inner filling glass of cover take glass cloth, its thickness is greater than 2cm
Characteristics below in conjunction with description of drawings Electromagnetic Heating energy-saving safe of the present invention super constant temperature trough:
Temperature control part in the control circuit is similar with the super constant temperature trough of prior art, comes the break-make of control circuit or the size of the electric current that control is passed through by temperature controller.The circuit of control coil is similar with the widely used control circuit of prior art electromagnetic oven in the control circuit, can be according to actual needs simplified on the multistage adjusting of power output and testing circuit.
Advantage and the good effect of Electromagnetic Heating energy-saving safe super constant temperature trough of the present invention are: owing to being that coil generation alternating magnetic field makes cell body produce eddy-current heating, so thermal inertia is little, the liquid after the energising in the cell body can heat up rapidly; Cell body and coil gap are little, the following magnetic stripe that radially is equipped with of coil, magnetic stripe shields electromagnetic field, can prevent effectively that electromagnetic energy from revealing from the below, improve electromagnetic conversion efficiency, the equal Jacket thickness in cell body outside reaches the mineral wool muff of 2cm, high insulating effect in addition, so electric conversion efficiency is high, more save electric energy; Easy to maintenance, long service life.
Because cell body self-heating, heating area is large, add circulating pump forced circulation, advection dish force apart from about the 1cm of cell body bottom surface current by the slit along circumferential outer outflow, the heat of heating face can be taken away rapidly and be made more uniformity of water temperature, the advection dish also makes water level fluctuation less.
Owing to adopting the circulating pump forced circulation paddle and motor need to be set above cell body, so the cell body top does not arrange any parts, the cell body superjacent air space is large, and is not interrupted convenient during experimental implementation.
Simultaneously because the coil integral sealing and and cell body between nonmetallic heat-insulating shield is arranged, electric heating is isolated fully, thereby security performance improves greatly, has guaranteed user's personal safety.
Embodiment recited above is described preferred embodiment of the present invention, is not that the spirit and scope of the present invention are limited.Under the prerequisite that does not break away from design concept of the present invention; various modification and improvement that this area ordinary person makes technical scheme of the present invention; all should drop into protection scope of the present invention, the technology contents that the present invention asks for protection all is documented in claims.
Claims (6)
1. Electromagnetic Heating energy-saving safe super constant temperature trough, comprise shell (1) and cell body (2), also comprise heat-insulating shield (3), coil (4), magnetic stripe (5), control circuit (7), circulating pump (10), the water inlet (8) of being located at cell body, delivery port (11) and Draw off valve (12) and the interior advection dish (6) of groove in the described shell (1), it is characterized in that coil (4) produces alternating magnetic field and makes described cell body (2) produce eddy-current heating; Described cell body (2) is bearing in the top of described shell (1), described coil (4) in one plane is the spiral form coiling, described coil (4) is fixedly mounted on the below of described cell body (2) bottom surface and links to each other with described control circuit (7) electricity, described heat-insulating shield (3) is positioned between described coil (4) and the described cell body (2), the following magnetic stripe (5) that radially is equipped with of described coil (4), described advection dish (6) is fixedly mounted on the interior bottom surface of described cell body (2) concentric with described coil (4) by four strong points; Corresponding coil (4) circle centre position in below that described water inlet (8) is located at cell body (2) bottom surface connects circulating pump (10) by silicone tube (9), the other end of circulating pump (10) connects delivery port (11) and Draw off valve (12), and mineral wool muff (13) is all wrapped up in cell body (2) outside except coil (4) part.
2. Electromagnetic Heating energy-saving safe super constant temperature trough according to claim 1, it is characterized in that: the cross section diameter of the used wire of wherein said coil (4) is 4.5 millimeters, close by the stranded rear outside of the high temperature resistant enamel covered wire of multiply is that 0.5 millimeter glass wire parcel forms around one deck diameter, and the appearance of described coil has resin-sealed layer.
3. Electromagnetic Heating energy-saving safe super constant temperature trough according to claim 1, it is characterized in that: wherein said heat-insulating shield (3) is glass mat or asbestos board, and its thickness is 1～2mm.
4. Electromagnetic Heating energy-saving safe super constant temperature trough according to claim 1 is characterized in that: wherein said cell body (2) adopts ferrimagnet to make, and is the magnetic stainless steel material.
5. Electromagnetic Heating energy-saving safe super constant temperature trough according to claim 1, it is characterized in that: wherein said advection dish (6) is circular magnetic stainless steel thin slice, thickness 1～2mm, diameter is greater than the diameter 2cm of corresponding coil (4).
6. Electromagnetic Heating energy-saving safe super constant temperature trough according to claim 1 is characterized in that: wherein said mineral wool muff (13), cotton as the inner filling glass of cover take glass cloth, its thickness is greater than 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210330907 CN102896011A (en) | 2012-08-28 | 2012-08-28 | Electromagnetically-heated safe energy-saving super thermostatic bath |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210330907 CN102896011A (en) | 2012-08-28 | 2012-08-28 | Electromagnetically-heated safe energy-saving super thermostatic bath |
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| CN102896011A true CN102896011A (en) | 2013-01-30 |
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| CN 201210330907 Pending CN102896011A (en) | 2012-08-28 | 2012-08-28 | Electromagnetically-heated safe energy-saving super thermostatic bath |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527314A (en) * | 2015-12-18 | 2016-04-27 | 浙江大学城市学院 | Constant temperature oil tank device for heat transfer experimental system |
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2012
- 2012-08-28 CN CN 201210330907 patent/CN102896011A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527314A (en) * | 2015-12-18 | 2016-04-27 | 浙江大学城市学院 | Constant temperature oil tank device for heat transfer experimental system |
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Application publication date: 20130130 |