CN214746025U - Electromagnetic frequency conversion water heating stove special for railway - Google Patents
Electromagnetic frequency conversion water heating stove special for railway Download PDFInfo
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- CN214746025U CN214746025U CN202121082862.5U CN202121082862U CN214746025U CN 214746025 U CN214746025 U CN 214746025U CN 202121082862 U CN202121082862 U CN 202121082862U CN 214746025 U CN214746025 U CN 214746025U
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Abstract
An electromagnetic variable-frequency water heating furnace special for railways comprises a water heating radiating fin provided with a high-temperature water inlet and a low-temperature water outlet; the method is characterized in that: the electromagnetic frequency conversion heating device is characterized by also comprising an electromagnetic frequency conversion heating device, wherein a power supply connecting end is led out of a main control board in the electromagnetic frequency conversion heating device, a rectifying circuit for converting input alternating-current voltage into direct-current voltage is arranged in the main control board, and a high-frequency circuit for converting the direct-current voltage into high-frequency voltage is also arranged in the main control board; the high-frequency coil is arranged on the high-frequency circuit; the high-frequency coil is wound on the periphery of the non-metal insulating material pipe; the heating pipe penetrates through the non-metal insulating material pipe; the water inlet of the heating pipe is communicated with the low-temperature water outlet of the water heating radiating fin through a water return pipe, and the water outlet of the heating pipe is communicated with the high-temperature water inlet of the water heating radiating fin through a water supply pipe. It is energy-conserving, environmental protection, heating efficiency are high, and the during operation is 3D three-dimensional heating moreover, and the heating process does not have the dead angle, is difficult for producing the incrustation scale in the use, and magnetization water purification promotes the heat energy maximize.
Description
Technical Field
The utility model relates to a facility field for the railway specifically is a special heating stove of railway.
Background
At present, the workplaces of staff at the first railway transportation line, such as railway crossings, patrol, station affairs, logistics, and the like, are generally along the railway, and have the characteristic of scattered point-to-multipoint lines, the rooms are different in size, and one or two rooms, or 20 rooms are available. The central heating cannot be used, and the heating is generally carried out by installing a separate electric heater, such as a small sun, an electric oil heater, even coal and the like. The heater has the advantages of large power consumption, low heat efficiency and high cost. In addition, safety also has certain problems in the using process.
At present, domestic hot water products generate a large amount of water scales in the using process, the heat efficiency is gradually reduced, and the using requirements of a railway system cannot be met.
Therefore, there is a need for a heating device which is suitable for the above-mentioned environment, and has the advantages of energy saving, safety, high heat efficiency, long service life and no reduction of heat efficiency after long-term use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems existing in the prior art, the utility model aims to provide a special electromagnetic variable-frequency water heating furnace for railways, which is particularly suitable for being installed and used in a workshop along the railway and has the advantages of more energy conservation, safety and high thermal efficiency compared with the prior heating device.
The utility model provides a technical scheme that its technical problem adopted is: the electromagnetic variable-frequency water heating furnace special for the railway comprises water heating radiating fins, wherein a high-temperature water inlet is formed in the upper end of one side of each water heating radiating fin, and a low-temperature water outlet is formed in the lower end of the other side of each water heating radiating fin; the electromagnetic variable-frequency heating device comprises a main control board, a high-frequency coil, a non-metal insulating material pipe and a heating pipe made of metal; a power supply connecting end is led out of the main control board, a rectifying circuit for converting input alternating-current voltage into direct-current voltage is arranged in the main control board, a heating circuit for converting the direct-current voltage into high-frequency voltage is also arranged in the main control board, and a high-frequency switch and a high-frequency coil are arranged in the heating circuit; the high-frequency coil is wound on the periphery of the non-metal insulating material pipe; the heating pipe penetrates through the nonmetal insulating material pipe; a plurality of through holes are radially formed in the heating pipe; the water inlet of the heating pipe is communicated with the low-temperature water outlet of the water heating radiating fin through a water return pipe, and the water outlet of the heating pipe is communicated with the high-temperature water inlet of the water heating radiating fin through a water supply pipe.
The electromagnetic frequency conversion water heating furnace special for the railway converts alternating current voltage into direct current voltage by utilizing the rectifying circuit, and then converts the direct current voltage into high frequency voltage by the high frequency switch in the heating circuit; the high-speed magnetic field that can produce through high-frequency coil of the electric current of high-speed transform, the magnetic line of force when magnetic field inside produces countless little vortex through metal container for the heating pipe that the metal was made by oneself high temperature rapidly generates heat, has annotated water in the heating pipe, and water is full of whole insulating insulation material pipe through the through-hole of heating pipe, and the whole all-round submergence in the heated water body inside and outside the heating pipe improves rate of heating and heating efficiency. Finally, water in the heating pipe is conveyed to the water heating radiating fins to achieve the purpose of heating quickly.
As a further technical scheme of the utility model, the end of intaking of heating pipe be provided with rivers inductive sensor, this rivers inductive sensor and main control board electric connection, the main control board is according to this rivers inductive sensor control heating circuit. When the water flow induction sensor senses that water flow enters the heating pipe, a signal is output to the main control board, and the main control board controls the heating circuit to start.
Further, the method comprises the following steps: the water inlet end of the heating pipe is provided with a water inlet temperature sensor, and the water outlet end of the heating pipe is provided with a water outlet temperature sensor and an indoor temperature sensor; the water inlet temperature sensor, the water outlet temperature sensor and the indoor temperature sensor are respectively electrically connected with the main control board, a water inlet temperature signal, a water outlet temperature signal and a room temperature signal are input, and the main control board controls the heating circuit according to analysis processing results of the three temperature signals after receiving the water inlet temperature signal, the water outlet temperature signal and the room temperature signal.
Further, the method comprises the following steps: and a water cooling pipe for cooling the components of the heating circuit is arranged in parallel with the heating pipe. The water cooling pipe connected in parallel can cool a high-power component in the heating circuit, and when the high-power component exchanges heat with the high-power component, water in the water cooling pipe brings heat into the integral circulating water path to be converged with the water outlet end of the heating pipe, so that the heat cannot be wasted.
As a further technical solution of any one of the above aspects: on the water heating radiating fin, a water storage tank communicated with a water flow channel in the water heating radiating fin is arranged above the low-temperature water outlet.
In addition, an exhaust valve is arranged at the top of the water heating radiating fin.
The further technical scheme is as follows: the water heating radiating fins are provided with at least two groups; the multiple groups of water heating radiating fins are connected in parallel and are connected between the water supply pipe and the water return pipe in parallel.
Further, the method comprises the following steps: the water supply pipe is additionally provided with an automatic exhaust valve, and the position of the automatic exhaust valve is higher than that of the water heating radiating fin and the water supply pipe.
Further, the method comprises the following steps: the remote management platform end is connected with the main control board through a communication network in real time.
The utility model discloses have following beneficial effect and lie in: electromagnetic eddy current heating is energy-conserving not only, and rate of heating is extremely fast moreover, and the heating facility than current simultaneously is all more environmental protection, because this utility model has the characteristics of water and electricity separation, consequently safer. In addition, the utility model is a 3D heating, no dead angle exists in the heating process, no scale is produced in the using process, the water quality is magnetized and purified, the heat energy is maximally improved, and the electrothermal conversion rate is higher than 25% of the existing product; the heat conversion rate can reach more than 98 percent. The electromagnetic variable-frequency water heating furnace special for the railway can adopt an integrated or multi-group radiating fin mode according to the number of rooms on site, can realize remote monitoring and is convenient to manage.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electromagnetic variable-frequency heating device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of a water-cooled tube disposed in parallel with a heating tube in an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic cross-sectional view of another embodiment of the heating pipe of FIG. 3 with a through hole;
FIG. 6 is a schematic cross-sectional view of a third embodiment of the heating pipe of FIG. 3 with a through hole;
fig. 7 is a schematic view of the overall structure of the second embodiment of the present invention, namely, the installation in a railway nursing room;
in the figure:
1. water heating radiating fins;
2, an electromagnetic variable-frequency heating device, 21 a main control board, 22 a high-frequency coil, 23 a non-metal insulating heat-preservation material pipe, 24 a heating pipe, 241 through holes, 25 a water flow induction sensor, 26 a rectifying circuit and 27 a high-frequency switch; 210 inlet water temperature sensor, 211 outlet water temperature sensor, 212 indoor temperature sensor and 213 water cooling pipe;
3 a water supply pipe, 4 a water return pipe, 5 a water storage tank and 6 an exhaust valve; 7 automatic exhaust valve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The first embodiment is as follows: this embodiment is a single set of water heating fins; as shown in fig. 1, the electromagnetic variable frequency water heating furnace for railway mainly comprises a group of water heating radiating fins 1 and an electromagnetic variable frequency heating device 2. The upper end of one side of the water heating radiating fin 1 is provided with a high-temperature water inlet, and the lower end of the other side of the water heating radiating fin 1 is provided with a low-temperature water outlet. On the water heating radiating fin 1, a water storage tank 5 communicated with a water flow passage in the water heating radiating fin is arranged above the low-temperature water outlet. An exhaust valve 6 is arranged on the top of the water heating radiating fin 1.
As shown in fig. 2 and 3, the electromagnetic variable frequency heating device 2 includes a main control board 21, a high frequency coil 22, a non-metal insulating material pipe 23, and a heating pipe 24 made of metal.
A power supply connecting end 25 is led out of the main control board 21, a rectifying circuit 26 for converting input alternating-current voltage into direct-current voltage is arranged in the main control board 21, a heating circuit for converting the direct-current voltage into high-frequency voltage is also arranged in the main control board, and a high-frequency switch 27 and a high-frequency coil 22 are arranged in the heating circuit; and the high-frequency coil 22 is wound on the periphery of the non-metal insulating material tube 23. A heating pipe 24 penetrates through the non-metal insulating material pipe 23; a plurality of through holes 241 are radially formed on the heating pipe 24, as shown in fig. 4; in other embodiments, the through holes 241 may be arranged in multiple rows or irregularly, as shown in fig. 5 and 6, as long as the water in the heating pipe 24 can enter the tube 23 of the non-metal insulating material, so as to achieve the same function.
The water inlet of the heating pipe 24 is communicated with the low-temperature water outlet of the water heating radiating fin 1 through the water return pipe 4, and the water outlet of the heating pipe 24 is communicated with the high-temperature water inlet of the water heating radiating fin 1 through the water supply pipe 3.
The water inlet end of the heating pipe 24 is provided with a water flow induction sensor 25, and the water flow induction sensor 25 is electrically connected with the main control board 21. The main control board 21 controls the heating circuit according to the water flow induction sensor 25. When the water flow induction sensor 25 induces that water flow enters the heating pipe 24, a signal is output to the main control board 21, and the main control board 21 controls the heating circuit to start working, namely the high-frequency switch 27 to work.
A water inlet temperature sensor 210 is arranged at the water inlet end of the heating pipe 24, and a water outlet temperature sensor 211 is arranged at the water outlet end; an indoor temperature sensor 212 is also provided. The water inlet temperature sensor 210, the water outlet temperature sensor 211 and the indoor temperature sensor 212 are respectively electrically connected with the main control board 21, and input water inlet temperature signals, water outlet temperature signals and room temperature signals, and after the main control board 21 receives the water inlet temperature signals, the water outlet temperature signals and the room temperature signals, the work of the heating circuit, namely the work state of the high-frequency switch, is controlled according to the analysis processing results of the three temperature signals.
In this embodiment, in order to solve the heat dissipation problem of the components in the heating circuit, especially the high-power tube, the heating tube 24 is provided in parallel with a water cooling tube 213 for cooling the components of the heating circuit, as shown in fig. 3. The water-cooling tube 213 connected in parallel can cool the high-power tube (the dashed line frame in fig. 3 represents the circuit board on which the high-power tube is mounted) in the heating circuit, and when the heat is exchanged with the high-power tube, the water in the water-cooling tube 213 brings the heat into the integral circulating water path to join with the water outlet end of the heating tube 24, so that the heat is not wasted. In addition, the heat dissipation mode has the advantages of no noise, high heat dissipation efficiency and heat recycling, and can further achieve the energy-saving effect.
When the electromagnetic variable-frequency heating device is used, water is added into the water storage tank 5, the electromagnetic variable-frequency heating device 2 is powered on, low-temperature water flow enters the heating pipe 24, the water inlet temperature sensor 210 converts the measured water temperature of low-temperature water into an electric signal and transmits the electric signal to the main control board 21, meanwhile, the water flow induction sensor 25 detects that the water flow signal is transmitted to the main control board 21, the alternating current voltage of 50/60HZ is converted into direct current voltage by the rectifying circuit 26 in the main control board 21, and the direct current voltage is converted into high-frequency voltage with the frequency of 20-50HZ by the high-frequency switch 27; the high-speed changing current can generate a high-speed magnetic field through the high-frequency coil 22, when magnetic lines of force in the magnetic field generate countless small eddy currents through the metal container, the heating pipe 24 made of metal automatically and rapidly heats at high temperature, then water in the heating pipe 24 is rapidly heated, and the heated water is conveyed to the water heating radiating fins 1 to achieve the purpose of rapidly heating. Meanwhile, the outlet water temperature sensor 211 and the indoor temperature sensor 212 respectively feed back the outlet water temperature and the indoor temperature to the main control board 21 in real time, and after receiving the inlet water temperature signal, the outlet water temperature signal and the room temperature signal, the main control board 21 controls the operation of the high-frequency switch 27 in the heating circuit according to the analysis and processing results of the three temperature signals.
When the device starts, along with the heating of water, can open discharge valve 6 and get rid of the air that persists in the pipeline to guarantee the circulation effect of water, guarantee the heat transfer effect promptly.
In the working process, if no water flows into the heating pipe 24, the main control board 21 controls the heating circuit to stop heating according to the condition of the feedback signal of the water flow induction sensor 25, so as to avoid dry burning.
In addition, if the temperature of the water detected by the outlet water temperature sensor 211 exceeds the set upper temperature limit, the main control panel 21 controls the high frequency switch 27 in the heating circuit to stop working and stop heating, thereby avoiding an overheating condition.
In addition, as a further improvement of this embodiment, a remote management platform end may be further provided, where the remote management platform end is connected to the main control board through a communication network in real time, and transmits the water inlet temperature, the water outlet temperature, the indoor temperature, and the operation state of the device to the remote management platform end in real time through, for example, a 4G or 5G network, and the management platform can perform remote control and management on any device while seeing the operation state of all devices in real time.
Example two: the difference from the first embodiment is that the first embodiment is an embodiment in which two groups of water heating cooling fins are arranged in two rooms; as shown in fig. 7, two sets of water heating fins are provided in this embodiment, and both sets of water heating fins are connected in parallel between the water supply pipe 3 and the water return pipe 4. In addition, an automatic exhaust valve 7 is additionally arranged on the water supply pipe 3 in the embodiment, and the position of the automatic exhaust valve 7 is only lower than that of the water storage tank 5.
The working principle of the embodiment is the same as that of the first embodiment, and therefore, the description is omitted; when a plurality of groups are arranged, the temperature sensors can be respectively arranged to be connected with the main control board so as to further realize respective temperature control.
Above-mentioned embodiment detects through the experiment, with 1L water heating, the power consumption is 0.117 degree, adopts electric heating pipe to 1L water heating, and the power consumption is 0.289 degree, and double-phase comparison adopts the utility model discloses realize the heating, the power saving is up to about 2.5 times.
As another embodiment: when more groups of water heating radiating fins are arranged, the groups of water heating radiating fins are connected in parallel and are connected between the water supply pipe and the water return pipe in parallel. Other techniques may be the same as the embodiments.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Finally, it should be noted that: wherein reference to the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicates an orientation or positional relationship based on that shown in the drawings for the convenience of describing the present invention and to simplify the description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance, and moreover, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The electromagnetic variable-frequency water heating furnace special for the railway comprises water heating radiating fins, wherein a high-temperature water inlet is formed in the upper end of one side of each water heating radiating fin, and a low-temperature water outlet is formed in the lower end of the other side of each water heating radiating fin; the method is characterized in that: the electromagnetic variable-frequency heating device comprises a main control board, a high-frequency coil, a non-metal insulating material pipe and a heating pipe made of metal; a power supply connecting end is led out of the main control board, a rectifying circuit for converting input alternating-current voltage into direct-current voltage is arranged in the main control board, a heating circuit for converting the direct-current voltage into high-frequency voltage is also arranged in the main control board, and a high-frequency switch and a high-frequency coil are arranged in the heating circuit; the high-frequency coil is wound on the periphery of the non-metal insulating material pipe; the heating pipe penetrates through the nonmetal insulating material pipe; a plurality of through holes are radially formed in the heating pipe; the water inlet of the heating pipe is communicated with the low-temperature water outlet of the water heating radiating fin through a water return pipe, and the water outlet of the heating pipe is communicated with the high-temperature water inlet of the water heating radiating fin through a water supply pipe.
2. The electromagnetic frequency conversion water heating furnace special for railways according to claim 1, characterized in that: the water inlet end of the heating pipe is provided with a water flow induction sensor which is electrically connected with a main control board, and the main control board controls a heating circuit according to the water flow induction sensor.
3. The electromagnetic frequency conversion water heating furnace special for railways according to claim 2, characterized in that: the water inlet end of the heating pipe is provided with a water inlet temperature sensor, and the water outlet end of the heating pipe is provided with a water outlet temperature sensor and an indoor temperature sensor; the water inlet temperature sensor, the water outlet temperature sensor and the indoor temperature sensor are respectively electrically connected with the main control board, a water inlet temperature signal, a water outlet temperature signal and a room temperature signal are input, and the main control board controls the heating circuit according to analysis processing results of the three temperature signals after receiving the water inlet temperature signal, the water outlet temperature signal and the room temperature signal.
4. The electromagnetic variable-frequency water heating furnace special for railways according to claim 3, characterized in that: the main control board is also provided with a temperature sensor for generating temperature electric signal input of the high-temperature protection circuit when the heating exceeds the upper limit value of the temperature.
5. The electromagnetic frequency conversion water heating furnace special for railways according to any one of claims 1 to 4, characterized in that: and a water cooling pipe for cooling the components of the heating circuit is arranged in parallel with the heating pipe.
6. The electromagnetic variable-frequency water heating furnace special for railways according to claim 5, characterized in that: on the water heating radiating fin, a water storage tank communicated with a water flow channel in the water heating radiating fin is arranged above the low-temperature water outlet.
7. The electromagnetic variable-frequency water heating furnace special for railways according to claim 6, characterized in that: and an exhaust valve is arranged at the top of the water heating radiating fin.
8. The electromagnetic variable-frequency water heating furnace special for railways according to claim 7, characterized in that: the water heating radiating fins are provided with at least two groups; the multiple groups of water heating radiating fins are connected in parallel and are connected between the water supply pipe and the water return pipe in parallel.
9. The electromagnetic variable-frequency water heating furnace special for railways according to claim 8, characterized in that: the water supply pipe is additionally provided with an automatic exhaust valve, and the position of the automatic exhaust valve is higher than that of the water heating radiating fin and the water supply pipe.
10. The electromagnetic frequency conversion water heating furnace special for railways according to claim 1, characterized in that: the remote management platform end is connected with the main control board through a communication network in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121082862.5U CN214746025U (en) | 2021-05-20 | 2021-05-20 | Electromagnetic frequency conversion water heating stove special for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121082862.5U CN214746025U (en) | 2021-05-20 | 2021-05-20 | Electromagnetic frequency conversion water heating stove special for railway |
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| Publication Number | Publication Date |
|---|---|
| CN214746025U true CN214746025U (en) | 2021-11-16 |
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ID=78624122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121082862.5U Active CN214746025U (en) | 2021-05-20 | 2021-05-20 | Electromagnetic frequency conversion water heating stove special for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214746025U (en) |
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2021
- 2021-05-20 CN CN202121082862.5U patent/CN214746025U/en active Active
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