CN212057731U - Electromagnetic heating device - Google Patents
Electromagnetic heating device Download PDFInfo
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- CN212057731U CN212057731U CN202020503894.7U CN202020503894U CN212057731U CN 212057731 U CN212057731 U CN 212057731U CN 202020503894 U CN202020503894 U CN 202020503894U CN 212057731 U CN212057731 U CN 212057731U
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Abstract
The utility model discloses an electromagnetic heating device, which is characterized by comprising an induction central pipe, a water inlet pipe, a water outlet pipe, a high-frequency induction line, an insulating layer and a control module; the water inlet pipe is arranged at the bottom of the induction central pipe and is communicated with the induction central pipe; the water outlet pipe is arranged at the top of the induction central pipe and is communicated with the induction central pipe; the high-frequency induction wire is spirally wound on the outer side of the induction central pipe, and the insulating layer is arranged between the induction central pipe and the high-frequency induction wire; the control module is connected with the high-frequency induction line and used for inputting frequency-adjustable high-frequency current to the high-frequency induction line. The electromagnetic heating device is efficient, energy-saving, environment-friendly and convenient to operate; no special person is needed to watch; no noise and no peculiar smell, and safer water-electricity separation.
Description
Technical Field
The utility model relates to a heating device technical field, concretely relates to electromagnetic heating device.
Background
The existing heating devices are generally resistance heating equipment, natural gas heating equipment and coal-fired boiler heating equipment. Wherein the resistance heating apparatus: inserting a resistance rod into the water tank for heating; natural gas heating equipment: burning and heating natural gas; a coal-fired boiler: and (5) burning and heating coal.
However, the heating device described above has the following technical drawbacks:
(1) resistance heating: when heating, the power frequency electric sound and the sound of boiling water on the inner wall of the heater are generated, the water and the electricity are easy to contact, the potential hazard of electric leakage is 000, a large amount of scale is generated, and the service life is about half a year to one year.
(2) Natural gas heating equipment: the oxygen consumption of the combustion chamber is large; the hidden danger of air leakage and explosion is easily generated by heating with open fire; the burner is easy to damage, and the service life is 8-10 years.
(3) Coal fired boiler heating equipment: the coal is added regularly to produce smoke and carbon dioxide, thus polluting the environment; carbon monoxide can be generated when the combustion is insufficient, and the coal gas poisoning is easy to happen; the water is heated by open fire at high temperature, a large amount of scale is generated, and the service life is 5 years.
Aiming at the existing electromagnetic heating device, an interlayer is not arranged between a high-frequency induction line and an induction central pipe, the space is empty, the heat preservation effect is not good, and even if the interlayer is arranged, the effect of the selected material in the electromagnetic heating device is not good; moreover, the frequency of the alternating current input to the high-frequency induction line is too random, and the heating effect is not good.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides an electromagnetic heating device, this electromagnetic heating device structure sets up rationally, and it is effectual to keep warm, can promote heating rate.
The utility model provides an electromagnetic heating device, which comprises an induction central tube, a water inlet tube, a water outlet tube, a high-frequency induction line, an insulating layer and a control module; the water inlet pipe is arranged at the bottom of the induction central pipe and is communicated with the induction central pipe; the water outlet pipe is arranged at the top of the induction central pipe and is communicated with the induction central pipe; the high-frequency induction wire is spirally wound on the outer side of the induction central pipe, and the insulating layer is arranged between the induction central pipe and the high-frequency induction wire; the control module is connected with the high-frequency induction line and used for inputting frequency-adjustable high-frequency current to the high-frequency induction line.
The water inlet pipe is positioned at the lower end, and the water outlet pipe is positioned at the upper end, so that heat output is facilitated, and the heat utilization efficiency is improved; the control module is used for providing high-frequency alternating current to the high-frequency induction line, the high-frequency induction line heats the induction center pipe in the high-frequency induction line, the heating principle is induction heating, and eddy current heating is formed in the induction center pipe.
In the electromagnetic heating device, the control module comprises a controller, a frequency conversion unit and a touch screen; the frequency conversion unit and the touch screen are respectively connected with the controller; the frequency conversion unit is connected with the high-frequency induction line, and the controller can receive an instruction of the touch screen to perform frequency modulation on the frequency conversion unit.
The input instruction is input by adopting a touch screen, and after the controller receives the instruction, the frequency conversion unit is controlled to carry out frequency modulation so as to input alternating currents with different frequencies into the high-frequency induction line and heat the induction central pipe.
In the electromagnetic heating device, the frequency conversion unit includes a rectifying and filtering circuit and a high-frequency oscillating circuit; the input end of the rectification filter circuit is connected with alternating current, the output end of the rectification filter circuit is connected with the input end of the high-frequency oscillation circuit, and the output end of the high-frequency oscillation circuit is connected with the high-frequency induction line.
In the electromagnetic heating device, the induction central tube is made of austenitic stainless steel material.
Foretell electromagnetic heating device, the sinle silk of high frequency induction line is the slice the outside parcel of sinle silk has the insulating line skin of silica gel.
Wherein, flaky heart yearn more does benefit to increase magnetic flux, and silica gel insulating line skin insulating nature and flexibility are better.
In the electromagnetic heating device, the insulating layer is made of aluminum silicate heat-insulating cotton.
In the electromagnetic heating device, the minimum distance from the outer wall of the induction central tube to the high-frequency induction line is 20 mm.
In the electromagnetic heating device, the maximum distance between the outer wall of the induction central tube and the high-frequency induction line is 30 mm.
In the above electromagnetic heating apparatus, the frequency of the alternating current output from the high-frequency oscillation circuit is 4 to 33 Ghz.
In the above electromagnetic heating apparatus, the frequency of the alternating current output from the high-frequency oscillation circuit is 13 Ghz. Experiments prove that the heating efficiency is highest when the frequency of the alternating current output by the high-frequency oscillation circuit is 13 Ghz.
In the electromagnetic heating device, the induction central tube is internally provided with the pressure sensor; a first temperature sensor is arranged in the water inlet pipe; a second temperature sensor is arranged in the water outlet pipe; the pressure sensor, the first temperature sensor and the second temperature sensor are all connected with the controller.
When the temperature difference value between the first temperature sensor and the second temperature sensor is lower than the preset temperature difference value, frequency modulation is carried out to increase the frequency of the alternating current; and when the temperature is higher than the preset temperature difference value, performing frequency modulation to reduce the frequency of the alternating current.
In the electromagnetic heating device, a water level sensor is arranged in the induction central pipe and is positioned at the bottom of the induction central pipe; the water level sensor is connected with the controller.
Wherein, be provided with the preset water level value in the controller, when water level sensor's water level was less than the preset water level value, the controller was closed the power.
The beneficial effects of the utility model are embodied in: control module can accurate control temperature to for the induction center tube provides high frequency alternating current, produce vortex and hysteresis on the induction center tube, make the high-speed random motion of the inside current carrier of induction center tube, form the vortex, thereby the current carrier collides the friction each other and produces heat energy, thereby plays the effect of heating fluid. The utility model has high heating effect, energy saving, environmental protection and convenient operation; intelligent control, no need of special person on duty, no noise, no peculiar smell and silent operation; the water and electricity are separated to avoid the risks of electric shock and fire; the scale is not formed, the power is not attenuated, and the annual use cost is the same as that of the initial equipment; the high-frequency induction wire does not generate heat when heated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of an electromagnetic heating apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the control module of FIG. 1;
fig. 3 is a schematic structural diagram of a frequency conversion unit in fig. 2.
The reference numerals are explained below:
1. an induction center tube; 2. a water inlet pipe; 3. a water outlet pipe; 4. a high-frequency induction line; 5. an insulating layer; 6. a control module; 7. a controller; 8. a frequency conversion unit; 9. a touch screen; 10. a rectification filter circuit; 11. a high-frequency oscillation circuit; 12. a pressure sensor; 13. a first temperature sensor; 14. a second temperature sensor; 15. A water level sensor.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1 to 3, an electromagnetic heating device includes an induction center tube 1, a water inlet tube 2, a water outlet tube 3, a high-frequency induction line 4, an insulating layer 5 and a control module 6; the water inlet pipe 2 is arranged at the bottom of the induction central pipe 1 and is communicated with the induction central pipe 1; the water outlet pipe 3 is arranged at the top of the induction central pipe 1 and is communicated with the induction central pipe 1; the high-frequency induction wire is spirally wound on the outer side of the induction central tube 1, and the insulating layer 5 is arranged between the induction central tube 1 and the high-frequency induction wire; the control module 6 is connected with the high-frequency induction line and used for inputting frequency-adjustable high-frequency current to the high-frequency induction line.
Wherein, the water inlet pipe 2 is positioned at the lower end, and the water outlet pipe 3 is positioned at the upper end, which is favorable for the output of heat and improves the utilization efficiency of heat; the control module 6 is used for providing high-frequency alternating current to the high-frequency induction line, the high-frequency induction line heats the induction center pipe 1, the heating principle is induction heating, and eddy current heating is formed in the induction center pipe 1.
The electromagnetic heating device in the above embodiment may further adopt an implementation manner that the control module 6 includes a controller 7, a frequency conversion unit 8, and a touch screen 9; the frequency conversion unit 8 and the touch screen 9 are respectively connected with the controller 7; the frequency conversion unit 8 is connected with the high-frequency induction line, and the controller 7 can receive an instruction of the touch screen 9 to perform frequency modulation on the frequency conversion unit 8.
Wherein, the input instruction adopts touch-sensitive screen 9 to carry out the input, and after controller 7 received the instruction, control frequency conversion unit 8 carries out the frequency modulation to carry out the alternating current of inputing different frequencies to the high frequency induction line, heat induction center pipe 1.
The electromagnetic heating device in the above embodiment may further adopt an implementation manner that the frequency conversion unit 8 includes a rectification filter circuit 10 and a high-frequency oscillation circuit 11; the input end of the rectification filter circuit 10 is connected with alternating current, the output end of the rectification filter circuit 10 is connected with the input end of the high-frequency oscillation circuit 11, and the output end of the high-frequency oscillation circuit 11 is connected with the high-frequency induction line. The alternating current is converted into direct current after passing through the rectifying and filtering circuit, and the direct current is converted into high-frequency alternating current after passing through the high-frequency oscillating circuit.
The electromagnetic heating device in the above embodiment may also adopt an embodiment that the induction center pipe 1 is made of an austenitic stainless steel material.
The electromagnetic heating device in the above embodiment may further adopt an embodiment that includes that the core of the high-frequency induction line is sheet-shaped, and the outside of the core is wrapped with a silica gel insulation sheath.
Wherein, flaky heart yearn more does benefit to increase magnetic flux, and silica gel insulating line skin insulating nature and flexibility are better.
The electromagnetic heating device in the above embodiment may further adopt an embodiment that the insulating layer 5 is aluminum silicate heat insulation cotton.
The electromagnetic heating device in the above embodiment may also adopt an embodiment in which the minimum distance from the outer wall of the central induction pipe 1 to the high-frequency induction line is 20 mm.
The electromagnetic heating device in the above embodiment may also adopt an embodiment in which the maximum distance between the outer wall of the central induction pipe 1 and the high-frequency induction line is 30 mm.
An embodiment of the electromagnetic heating apparatus in the above-described embodiment may further include that the frequency of the alternating current output by the high-frequency oscillation circuit 11 is 4 to 33 Ghz.
An embodiment of the electromagnetic heating apparatus in the above-described embodiment may further include that the frequency of the alternating current output by the high-frequency oscillation circuit 11 is 13 Ghz. Experiments prove that the heating efficiency is highest when the frequency of the alternating current output by the high-frequency oscillation circuit 11 is 13 Ghz.
The electromagnetic heating device in the above embodiment may also adopt an implementation mode that a pressure sensor 12 is disposed in the induction central tube 1; a first temperature sensor 13 is arranged in the water inlet pipe 2; a second temperature sensor 14 is arranged in the water outlet pipe 3; the pressure sensor 12, the first temperature sensor 13 and the second temperature sensor 14 are all connected with the controller 7.
A preset temperature difference value is arranged in the controller 7, and when the temperature difference value between the first temperature sensor 13 and the second temperature sensor 14 is lower than the preset temperature difference value, frequency modulation is carried out to increase the frequency of the alternating current; and when the temperature is higher than the preset temperature difference value, performing frequency modulation to reduce the frequency of the alternating current.
The electromagnetic heating device in the above embodiment may also adopt an implementation manner that a water level sensor 15 is disposed in the central induction pipe 1, and the water level sensor 15 is located at the bottom of the central induction pipe 1; the water level sensor 15 is connected to the controller 7.
Wherein, a preset water level value is arranged in the controller 7, and when the water level of the water level sensor 15 is lower than the preset water level value, the controller 7 turns off the power supply.
The utility model discloses in, control module can accurate control temperature to for the response center tube provides the high frequency alternating current, produce vortex and hysteresis lag on the response center tube, make the high-speed random motion of the inside current carrier of response center tube, form the vortex, thereby the current carrier collides the friction each other and produces heat energy, thereby plays the effect of heating fluid. The utility model has high heating effect, energy saving, environmental protection and convenient operation; intelligent control, no need of special person on duty, no noise, no peculiar smell and silent operation; the water and electricity are separated to avoid the risks of electric shock and fire; the scale is not formed, the power is not attenuated, and the annual use cost is the same as that of the initial equipment; the high-frequency induction wire does not generate heat when heated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. An electromagnetic heating device is characterized by comprising an induction central pipe, a water inlet pipe, a water outlet pipe, a high-frequency induction line, an insulating layer and a control module; the water inlet pipe is arranged at the bottom of the induction central pipe and is communicated with the induction central pipe; the water outlet pipe is arranged at the top of the induction central pipe and is communicated with the induction central pipe; the high-frequency induction wire is spirally wound on the outer side of the induction central pipe, and the insulating layer is arranged between the induction central pipe and the high-frequency induction wire; the control module is connected with the high-frequency induction line and used for inputting frequency-adjustable high-frequency current to the high-frequency induction line; the insulating layer is aluminum silicate heat-insulating cotton;
the control module comprises a controller, a frequency conversion unit and a touch screen; the frequency conversion unit and the touch screen are respectively connected with the controller; the frequency conversion unit is connected with the high-frequency induction line, and the controller can receive an instruction of the touch screen to perform frequency modulation on the frequency conversion unit;
the frequency conversion unit comprises a rectification filter circuit and a high-frequency oscillation circuit; the input end of the rectification filter circuit is connected with alternating current, the output end of the rectification filter circuit is connected with the input end of the high-frequency oscillation circuit, and the output end of the high-frequency oscillation circuit is connected with the high-frequency induction line; the frequency of the alternating current output by the high-frequency oscillation circuit is 13 Ghz.
2. An electromagnetic heating apparatus according to claim 1, characterized in that: a pressure sensor is arranged in the induction central pipe; a first temperature sensor is arranged in the water inlet pipe; a second temperature sensor is arranged in the water outlet pipe; the pressure sensor, the first temperature sensor and the second temperature sensor are all connected with the controller.
3. An electromagnetic heating apparatus according to claim 1, characterized in that: the wire core of the high-frequency induction wire is in a sheet shape, and the outer side of the wire core is wrapped with a silica gel insulation wire skin.
4. An electromagnetic heating apparatus according to claim 1, characterized in that: the minimum distance from the outer wall of the induction central pipe to the high-frequency induction line is 20 mm.
5. An electromagnetic heating apparatus according to claim 4, characterized in that: the maximum distance between the outer wall of the induction central tube and the high-frequency induction line is 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020503894.7U CN212057731U (en) | 2020-04-08 | 2020-04-08 | Electromagnetic heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020503894.7U CN212057731U (en) | 2020-04-08 | 2020-04-08 | Electromagnetic heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212057731U true CN212057731U (en) | 2020-12-01 |
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ID=73542026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020503894.7U Active CN212057731U (en) | 2020-04-08 | 2020-04-08 | Electromagnetic heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212057731U (en) |
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2020
- 2020-04-08 CN CN202020503894.7U patent/CN212057731U/en active Active
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