CN210050864U

CN210050864U - Electromagnetic heating stove capable of shielding magnetic field radiation

Info

Publication number: CN210050864U
Application number: CN201920561087.8U
Authority: CN
Inventors: 周武江
Original assignee: Guangdong Jiangxin Electronic Technology Co Ltd
Current assignee: Guangdong Jiangxin Electronic Technology Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-02-11
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses an electromagnetic heating stove capable of shielding magnetic field radiation, which comprises a shell, a water inlet pipe and a water outlet pipe, wherein a partition plate is arranged in the shell, the partition plate divides the shell into a first space and a second space, a PLC (programmable logic controller) is installed in the first space, the water inlet pipe is arranged below the PLC to take away heat generated by the PLC, an electromagnetic heater is installed in the second space, the electromagnetic heater is respectively connected with the water inlet pipe and the water outlet pipe to form a loop for heating water, a shielding device for shielding the magnetic field radiation emitted by the electromagnetic heater is also installed in the second space, and the shielding device surrounds the electromagnetic heater and then is fixed on the shell; the utility model discloses add the shield assembly who is used for shielding electromagnetic radiation, can effectual shielding magnetic field and radiation, prevent to radiate the normal work that influences the PLC controller, baffle in the casing can keep apart the produced heat of solenoid, prevents that the PLC controller high temperature.

Description

Electromagnetic heating stove capable of shielding magnetic field radiation

Technical Field

The utility model relates to a heating stove, in particular to electromagnetic heating stove capable of shielding magnetic field radiation.

Background

The heating stove is a heating device commonly used by people in cold weather, the heating of the conventional heating stove is mainly achieved by two modes of electric heating and gas heating, the gas heating mode is low in heating safety performance, and the electric heating mode is high in energy consumption. Electromagnetic heating utilizes the electromagnetic induction principle, with the heater of thermal energy of electric energy conversion, changes the alternating voltage of 50HZ into direct current voltage by rectifier circuit in the controller, and the process is passed through control circuit and is converted into the high frequency alternating voltage of frequency 22KHZ with direct current voltage. The high-frequency alternating voltage flows through the high-frequency conducting wire wound outside the non-metallic material pipe, and countless small eddy currents are generated when magnetic lines of force generated inside the high-speed changing magnetic field cut the metal container inside the non-metallic material pipe, so that water is heated quickly, and the effect of quickly heating the water is achieved.

However, the existing electromagnetic heating stove is generally not provided with protection or isolation measures, the radiation of an electromagnetic field can influence the normal work of the PLC controller and the surrounding environment, and can generate heat, and other electronic elements of the electromagnetic heating stove are easy to damage when working at high temperature, so that the service life of the electromagnetic heating stove is influenced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an electromagnetic heating stove that can shield magnetic field radiation to solve the not enough that exists among the prior art.

In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides a can shield electromagnetic heating stove of magnetic field radiation, includes casing, inlet tube and outlet pipe, be equipped with the baffle in the casing, the baffle separates the casing and forms first space and second space, install the PLC controller in the first space, the below of PLC controller is located to the inlet tube is in order to take away the produced heat of PLC controller, install the electromagnetic heater who is used for heating water in the second space, electromagnetic heater respectively with inlet tube, play water piping connection in order to form the return circuit that adds hot water, the PLC controller passes through the wire and is connected with electromagnetic heater electricity, still install the shield assembly who is used for shielding the magnetic field radiation that electromagnetic heater sent in the second space, shield assembly surrounds electromagnetic heater after-fixing on the casing.

As an improvement, the shielding device comprises a front plate, a left side plate and a right side plate, wherein one end of the left side plate is provided with a notch used for avoiding the water inlet pipe, and the other end of the left side plate, far away from the notch, is provided with a through hole used for a wire to pass through.

As an improvement, be equipped with respectively on left side board and the right side board and be used for the extension board on the casing with shielding device fixed mounting, the both ends of extension board are equipped with the mounting hole respectively, be equipped with the screw hole that the adaptation mounting hole is connected on the casing, mounting hole and screw hole pass through screwed connection, be equipped with the round hole on the front bezel, the round hole sets up with the mounting hole is coaxial.

As an improvement, a plurality of radiating holes which are uniformly distributed are formed in the front plate, the left side plate and the right side plate.

As an improvement, the shielding device is made of aluminum.

As an improvement, the electromagnetic heater comprises a heating cylinder, an electromagnetic coil, a magnet and a flow guide water pipe, the electromagnetic coil is wound on the outer wall of the heating cylinder, the magnet is pasted on the electromagnetic coil in a gluing mode, the heating cylinder is sleeved outside the flow guide water pipe, the heating cylinder is communicated with the water inlet pipe, the top end of the flow guide water pipe is provided with a water inlet, and the bottom end of the flow guide water pipe is communicated with the water outlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the utility model discloses add the shield assembly who is used for shielding electromagnetic radiation, can effectual shielding magnetic field and radiation, prevent to radiate the normal work that influences the PLC controller and produce bad influence to the environment on every side, baffle in the casing can keep apart the produced heat of solenoid, prevents that the PLC controller high temperature.

(2) The utility model discloses a below of PLC controller is located to the inlet tube, utilizes the produced heat of PLC controller to take away along the water that follows bad flow, plays water-cooling's effect, guarantees that the PLC controller can not be in work in the high temperature environment for a long time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the shielding device of the present invention.

Fig. 3 is a schematic structural view of the shielding device according to another angle of the present invention.

Fig. 4 is a schematic structural diagram of the present invention after the shielding device is disassembled.

Fig. 5 is a schematic structural view of the diversion water pipe of the present invention.

Fig. 6 is a schematic structural diagram of the circular hole and the mounting hole of the present invention.

Fig. 7 is a schematic structural view of the position relationship between the front plate, the left side plate, the right side plate and the extension plate of the present invention.

In the figure: the water heater comprises a shell 1, a partition plate 2, a first space 3, a second space 4, a PLC (programmable logic controller) 5, a water inlet pipe 6, an electromagnetic heater 7, a water outlet pipe 8, a shielding device 9, a threaded hole 10, a first water inlet pipe 60, a second water inlet pipe 61, a heating cylinder 70, an electromagnetic coil 71, a magnet 72, a diversion water pipe 73, a front plate 90, a left side plate 91, a right side plate 92, an extension plate 93, a heat dissipation hole 94, a water inlet 730, a round hole 900, a notch 910, a perforation 911 and a mounting hole 930.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, an electromagnetic heating stove capable of shielding magnetic field radiation, including casing 1, inlet tube 6 and outlet pipe 8, be equipped with baffle 2 in the casing 1, baffle 2 separates casing 1 and forms first space 3 and second space 4, install PLC controller 5 in the first space 3, inlet tube 6 passes casing 1 and extends to first space 3 in, and inlet tube 6 locates PLC controller 5's below in order to take away the produced heat of PLC controller 5 for work under the environment that PLC controller 5 can not be in the high temperature for a long time realizes the effect of water-cooling heat dissipation. In this technical scheme, in order to realize the water-cooling heat dissipation effect to PLC controller 5, inlet tube 6 includes first inlet tube 60 and second inlet tube 61, first inlet tube 60 is metal water pipe and sets up with baffle 2 balance, PLC controller 5's centre is also arranged in simultaneously to first inlet tube 60, play the best water-cooling heat dissipation effect, and second inlet tube 61 is soft water pipe, the one end of second inlet tube 61 links to each other with first inlet tube 60, the other end of second inlet tube 61 passes baffle 2 and extends to in second space 4, the purpose that second inlet tube 61 set up to soft water pipe is in order to save the space of installation, make second inlet tube 61 can be in response to second space 4 and nimble buckling.

As shown in fig. 4 and 5, an electromagnetic heater 7 for heating water is installed in the second space 4, the electromagnetic heater 7 is connected to a water inlet pipe 6 and a water outlet pipe 8 respectively to form a loop for heating water, and the PLC controller 5 is connected to the electromagnetic heater 7 through a wire. Specifically, the electromagnetic heater 7 includes a heating cylinder 70, an electromagnetic coil 71, a magnet 72 and a water guiding pipe 73, the electromagnetic coil 71 surrounds the outer wall of the heating cylinder 70, the magnet 72 is glued to the electromagnetic coil 71, and the electromagnetic coil 71 and the magnet 72 heat the water flowing through the heating cylinder 70 by using the electromagnetic heating principle after being electrified. The heating cylinder 70 is sleeved on the diversion water pipe 73, the heating cylinder 70 is connected with one end of the second water inlet pipe 61 extending into the second space 4, a water inlet 730 is arranged at the top end of the diversion water pipe 73, the bottom end of the diversion water pipe 73 is communicated with the water outlet pipe 8, water sequentially flows through the first water inlet pipe 60, the second water inlet pipe 61, the heating cylinder 70, the diversion water pipe 73 and the water outlet pipe 8, and finally flows out through the water outlet pipe 8 for a user to use, and the arrow direction of fig. 5 is the water flow direction. The heating cylinder 70 is used for isolating water from the electromagnetic coil 71, realizing water-electricity separation and preventing electric leakage. The diversion water pipe 73 guides the water to flow secondarily in the heating cylinder 70, on one hand, the water can fully absorb the heat of the heating cylinder 70, and on the other hand, the water can absorb the heat absorbed by the diversion water pipe 73, so that the heating efficiency is improved, and the time for the water to absorb the heat is prolonged.

As shown in fig. 1, 2, 3, 6 and 7, a shielding device 9 for shielding the magnetic field radiation emitted by the electromagnetic heater 7 is further installed in the second space 4, and the shielding device 9 surrounds the electromagnetic heater 7 and is fixed on the housing 1. The shielding 9 serves to confine the magnetic field and to avoid electromagnetic leakage. In this embodiment, the shielding device 9 is made of aluminum, so as to effectively shield the magnetic field and the radiation, prevent the radiation from affecting the normal operation of the PLC controller 5 and adversely affecting the surrounding environment, and enable the PLC controller 5 to control more accurately. Specifically, the shielding device 9 includes a front plate 90, a left side plate 91 and a right side plate 92, the front plate 90 is used for shielding the front of the electromagnetic heater 7, the left side plate 91 and the right side plate 92 respectively shield the left side and the right side of the magnetic heater 7, the front plate 90 is perpendicular to the left side plate 91 and the right side plate 92, the left side plate 91 and the right side plate 92 are parallel to each other, so that the electromagnetic heater 7 is surrounded by the shielding device 9, it should be further described herein that the shielding device 9 surrounds the electromagnetic heater 7 and is not completely sealed, but surrounds the electromagnetic coil 71 in the electromagnetic heater 7 to achieve shielding of magnetic field radiation, and not completely sealed shielding is needed, and completely sealed shielding prevents heat dissipation of the electromagnetic heater 7. One end of the left side plate 91 is provided with a notch 910 used for avoiding the second water inlet pipe 61, so that the second water inlet pipe 61 can be connected with the heating cylinder 70, and the other end of the left side plate 91, which is far away from the notch 910, is provided with a through hole 911 for a wire connected with the PLC controller 5 and the electromagnetic heater 7 to pass through, so as to realize the electrical connection of the PLC controller 5 and the electromagnetic heater 7. In addition, the left side plate 91 and the right side plate 92 are respectively provided with an extension plate 93 for fixedly mounting the shielding device 9 on the housing 1, two ends of the extension plate 93 are respectively provided with a mounting hole 930, the housing 1 is provided with threaded holes 10 adapted to the mounting holes 930 for connection, that is, the number of the threaded holes 10 is four, the threaded holes 10 correspond to the positions of the mounting holes 930 one by one, the mounting holes 930 and the threaded holes 10 are connected through screws, in order to facilitate screwing of the screws by the screw driver, the front plate 90 is further provided with a round hole 900 through which the screw driver passes, the round hole 900 and the mounting hole 930 are coaxially arranged, the diameter of the round hole 900 is larger than that of the mounting hole 930, and the screw driver can directly screw the screws on the threaded holes 10 after passing. As an improvement, a plurality of heat dissipation holes 94 are uniformly distributed on the front plate 90, the left side plate 91 and the right side plate 92, and the heat dissipation holes 94 are used for improving the ventilation effect and preventing the housing 1 from absorbing excessive heat to scald the user.

To sum up, the utility model discloses add the shield assembly 9 that is used for shielding electromagnetic radiation, can effectual shielding magnetic field and radiation, prevent that the radiation from influencing PLC controller 5's normal work and producing unfavorable influence to the environment on every side, baffle 2 in casing 1 can keep apart the produced heat of solenoid 71, prevents that PLC controller 5 high temperature.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides an electromagnetic heating stove that can shield magnetic field radiation which characterized in that: the water heater comprises a shell (1), a water inlet pipe (6) and a water outlet pipe (8), wherein a partition plate (2) is arranged in the shell (1), the shell (1) is divided by the partition plate (2) to form a first space (3) and a second space (4), a PLC (programmable logic controller) controller (5) is installed in the first space (3), the water inlet pipe (6) is arranged below the PLC controller (5) to take away heat generated by the PLC controller (5), an electromagnetic heater (7) used for heating water is installed in the second space (4), the electromagnetic heater (7) is respectively connected with the water inlet pipe (6) and the water outlet pipe (8) to form a loop for heating the water, the PLC controller (5) is electrically connected with the electromagnetic heater (7) through a lead, a shielding device (9) used for shielding magnetic field radiation emitted by the electromagnetic heater (7) is further installed in the second space (4), the shielding device (9) surrounds the electromagnetic heater (7) and is fixed on the shell (1).

2. An electromagnetic heating stove capable of shielding magnetic field radiation according to claim 1, characterised in that: shielding device (9) include front bezel (90), left side board (91) and right side board (92), the one end of left side board (91) is equipped with breach (910) that are used for avoiding inlet tube (6), breach (910) other end is kept away from in left side board (91) is equipped with perforation (911) that are used for the wire to pass.

3. An electromagnetic heating stove capable of shielding magnetic field radiation according to claim 2, characterised in that: the shielding device is characterized in that an extending plate (93) used for fixedly mounting the shielding device (9) on the shell (1) is arranged on the left side plate (91) and the right side plate (92) respectively, mounting holes (930) are arranged at two ends of the extending plate (93) respectively, a threaded hole (10) connected with the mounting holes (930) in an adaptive mode is formed in the shell (1), the mounting holes (930) and the threaded hole (10) are connected through screws, a round hole (900) is formed in the front plate (90), and the round hole (900) and the mounting hole (930) are arranged coaxially.

4. An electromagnetic heating stove capable of shielding magnetic field radiation according to claim 2 or 3, characterised in that: the front plate (90), the left side plate (91) and the right side plate (92) are all provided with a plurality of heat dissipation holes (94) which are uniformly distributed.

5. An electromagnetic heating stove capable of shielding magnetic field radiation according to claim 4, characterised in that: the shielding device (9) is made of aluminum.

6. An electromagnetic heating stove capable of shielding magnetic field radiation according to claim 1, characterised in that: electromagnetic heater (7) include heating cylinder (70), solenoid (71), magnet (72) and water conservancy diversion water pipe (73), solenoid (71) encircle on the outer wall of heating cylinder (70), magnet (72) glue is pasted on solenoid (71), heating cylinder (70) overcoat in water conservancy diversion water pipe (73), heating cylinder (70) are linked together with inlet tube (6), the top of water conservancy diversion water pipe (73) is equipped with water inlet (730), the bottom and outlet pipe (8) of water conservancy diversion water pipe (73) are linked together.