CN210602219U - Novel liquid heater - Google Patents
Novel liquid heater Download PDFInfo
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- CN210602219U CN210602219U CN201920510726.8U CN201920510726U CN210602219U CN 210602219 U CN210602219 U CN 210602219U CN 201920510726 U CN201920510726 U CN 201920510726U CN 210602219 U CN210602219 U CN 210602219U
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Abstract
The utility model discloses a novel liquid heater, an electromagnetic induction heating body, which comprises a metal cavity, wherein the outer surface of the metal cavity is provided with a heat preservation layer, and the outer surface of the heat preservation layer is wound with an excitation coil; a controller electrically connected to the field coil; the resistance-type heating tube, the resistance-type heating tube fixed set up in the metal cavity, the head of resistance-type heating tube is provided with insulating connection terminal, the inside dirver circuit board that is provided with of insulating connection terminal. The utility model discloses simple structure adopts dual heating mode, can realize also realizing carrying out the rapid heating to water simultaneously to water accuse temperature under the condition of higher fault-tolerant rate, has very strong practicality.
Description
Technical Field
The utility model relates to an electromagnetic heater field, in particular to novel liquid heater.
Background
In cold northern areas, the temperature in winter is often very low. On one hand, if the water pipe temperature is not artificially regulated and controlled and is left unattended, the water pipe can cause the expansion and the rupture of the pipe body due to the icing of the water in the pipe, so that the great equipment maintenance loss is brought to users, and moreover, if the heating users are families with old or young ages, the indoor temperature is reduced due to the fault of the heating equipment, so that the risk of life safety can be caused. The heating mode of the heating furnace on the current market is relatively single, once small faults occur, the heating is interrupted, and the fault tolerance rate is low; on the other hand, if people need to take a bath or other situations needing hot water at a certain temperature, the current heating stove cannot realize quick heating.
The modern market urgently needs a neotype electromagnetic induction heating stove, can realize also realizing carrying out the rapid heating to water simultaneously to water accuse temperature under the condition of higher fault-tolerant rate.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a novel liquid heater.
The utility model provides a technical scheme that its technical problem adopted is:
a novel liquid heater comprises a liquid heating device,
the electromagnetic induction heating body comprises a metal cavity, the outer surface of the metal cavity is provided with a heat insulation layer, and the outer surface of the heat insulation layer is wound with an excitation coil;
a controller electrically connected to the field coil;
the resistance-type heating tube, the resistance-type heating tube fixed set up in the metal cavity, the head of resistance-type heating tube is provided with insulating connection terminal, the inside dirver circuit board that is provided with of insulating connection terminal.
Furthermore, a water inlet is formed in the lower portion of the metal cavity, and a water outlet is formed in the upper portion of the metal cavity.
Further, a water level switch and a temperature sensor are arranged at the water outlet and electrically connected with the controller.
Further, the heat preservation layer comprises an insulating and heat-insulating material plate and a cotton clamping layer, and the cotton clamping layer is arranged between the insulating and heat-insulating material plate and the metal cavity.
Furthermore, a plurality of magnetic strips are fixedly arranged on the outer surface of the excitation coil.
Further, the number of the magnetic strips is 6, and the magnetic strips 6 are arranged on the outer surface of the excitation coil in an evenly-divided gluing mode.
Further, the outer surface of the insulating wire holder is provided with threads, the lower end face of the metal cavity is provided with a screw hole, the screw hole is matched with the threads, and the resistance-type heating tube is fixedly connected with the electromagnetic induction heating body in a rotating mode through the screw hole.
Furthermore, the middle part of the outer side of the metal cavity is provided with an overtemperature switch.
The utility model provides a novel liquid heater, which only adopts the electromagnetic induction heating body to heat under the general condition by adopting the double matching mode of the electromagnetic induction heating body and the resistance-type heating tube, and once the heating mode of the excitation coil is failed and can not be used, the resistance-type heating tube is opened to continue heating; when the temperature needs to be raised quickly, the resistance heating tube and the magnet exciting coil are all opened, heating is carried out simultaneously, and the temperature is raised quickly. The utility model discloses simple structure can realize also realizing carrying out the rapid heating to water simultaneously carrying out the accuse temperature to water under the condition of higher fault-tolerant rate, can effectively stop the emergence of incident, has very strong practicality.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic view of the overall structure of a novel liquid heater of the present invention;
fig. 2 is a structural schematic block diagram of a novel liquid heater of the present invention;
fig. 3 is a schematic structural view of a resistance heating tube of a liquid heater according to the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the elements are directly connected, but mean that a more preferable structure can be formed by adding or reducing the connection elements according to the specific implementation. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.
In addition, the direction limitation in the present invention, such as upper, lower, left, right, etc., is related to the description with reference to the drawings, and is not a strict limitation on the direction.
Referring to fig. 1, 2 and 3, the novel liquid heater of the present invention comprises,
the electromagnetic induction heating body comprises a metal cavity 100, wherein a heat insulation layer is arranged on the outer surface of the metal cavity 100, and an excitation coil 120 is wound on the outer surface of the heat insulation layer;
a controller electrically connected to the exciting coil 120;
the resistance-type heating tube 200, the resistance-type heating tube 200 fixed set up in the metal cavity 100, the head of resistance-type heating tube 200 is provided with insulating connection terminal 210, the inside drive circuit board that is provided with of insulating connection terminal 210.
When the heating device is used, once the electromagnetic induction heating body cannot be used due to the heating mode of the electromagnetic induction heating body being in accident, the resistance type heating tube 200 is opened for continuous heating; when the temperature needs to be raised quickly, the resistance heating tube 200 and the electromagnetic induction heating body are all opened, and heating is carried out simultaneously, so that the temperature is raised quickly. The water level switch 141 is used for detecting whether the water level is safe or not, and preventing dry burning.
As a preferred embodiment of the present invention, a water inlet 130 is disposed at the lower part of the metal chamber 100, and a water outlet 140 is disposed at the upper part of the metal chamber.
In a preferred embodiment of the present invention, a water level switch 141 and a temperature sensor 142 are disposed at the water outlet 140, and the water level switch 141 and the temperature sensor 142 are electrically connected to the controller.
As a preferred embodiment of the present disclosure, the insulating layer includes an insulating material plate 111 and a cotton-sandwiched layer 112, and the cotton-sandwiched layer 112 is disposed between the insulating material plate 111 and the metal cavity 100. The insulating and heat insulating material plate 140 is an epoxy resin member. The epoxy resin component has strong heat insulation performance, heat resistance and light weight, and other forms of insulating materials, such as quartz glass or ceramic tubes, can be selected. The heat-insulating layer can also be made of aluminum silicate, asbestos or other heat-insulating material components.
As a preferred embodiment of the present scheme, a plurality of magnetic strips 150 are fixedly disposed on an outer surface of the exciting coil 120. By providing the magnetic stripe 150 on the outer surface of the exciting coil 120 to restrain the magnetic field generated from the exciting coil 120, the electromagnetic leakage is largely prevented.
As a preferred embodiment of the present scheme, the number of the magnetic strips 150 is 6, and the magnetic strips 6 are equally adhered around the outer surface of the excitation coil. It is found that the 6 magnetic strips 150 are disposed around the outer surface of the exciting coil 120 to generate a better restraining effect, but may be adjusted according to actual conditions. Generally 4-8 are preferred.
As a preferred embodiment of this embodiment, the outer surface of the insulating wire holder 210 is provided with a screw 211, the lower end surface of the metal cavity 100 is provided with a screw hole, the screw hole is matched with the screw 211, and the resistance-type heating tube 200 is rotatably connected and fixed with the electromagnetic induction heating body through the screw hole. Carry out swivelling joint with electromagnetic induction heating body and resistance-type heating tube 200 through the form that sets up screw and screw 211, very convenient and can connect the fastening, can select to add a waterproof circle at the rotating part simultaneously in order to increase waterproof performance. This scheme adopts and utilizes screw thread 211 to be fixed in the lower extreme of electromagnetic induction heating body with resistance-type heating tube, also can be according to actual need through connection methods such as flange with resistance-type heating tube 200 be fixed in other reasonable positions of electromagnetic induction heating body.
As a preferred embodiment of the present invention, an over-temperature switch 160 is disposed in the middle of the outer side of the metal cavity 100.
As a preferred embodiment of the present invention, the controller is electrically connected to a water pump through an electromagnetic relay to control the water flow entering the heater. In order to ensure the safety of electricity, the electromagnetic induction heater is further provided with an overtemperature switch 160 with the model of KSD304-A and two leakage switches with the model of DZ47SLE, wherein the leakage switches are used for power-off protection when the electricity leakage of the excitation coil or the resistance-type heating tube is detected, and in combination with a graph 2, an external electric wire is firstly connected with the overtemperature switch and then respectively connected with a first leakage switch and a second leakage switch in parallel, the first leakage switch, the controller and the excitation coil form a closed loop, the second leakage switch and the resistance-type heating tube form a closed loop, the controller is further connected with an operation panel in parallel, the operation panel is respectively connected with an electromagnetic relay with the parameter of 220V 5A, a water level switch 141 and a temperature sensor 142 in parallel, the electromagnetic relay is connected with the water pump in an induction manner, and the controller, the control panel, the overtemper, The electromagnetic relay and the water pump form a closed loop, the parameter of the controller is 220V 6-8 KW, and the parameter of the water pump is 220V 100W.
In a preferred embodiment of the present disclosure, the temperature sensor 142 used in the present disclosure is an NTC thermistor, and the R value of the NTC thermistor in the present disclosure is 10K, and the B value is 3950. By adopting the NTC thermistor as a temperature sensor, the temperature measurement response is sensitive and the cost performance is high. Of course, a type K thermocouple, a type E thermocouple or a temperature sensor such as PT100 can also be used.
In a preferred embodiment of the present invention, the controller used in the present embodiment has model number YH _1H08_ a 01. By adopting the controller YH _1H08_ A01, programming is easy, response speed is high, and cost performance is high.
While the invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A novel liquid heater is characterized by comprising,
the electromagnetic induction heating body comprises a metal cavity, the outer surface of the metal cavity is provided with a heat insulation layer, and the outer surface of the heat insulation layer is wound with an excitation coil;
a controller electrically connected to the field coil;
the resistance-type heating tube, the resistance-type heating tube fixed set up in the metal cavity, the head of resistance-type heating tube is provided with insulating connection terminal, the inside dirver circuit board that is provided with of insulating connection terminal.
2. A novel liquid heater as claimed in claim 1, wherein: the lower part of the metal cavity is provided with a water inlet, and the upper part of the metal cavity is provided with a water outlet.
3. A novel liquid heater as claimed in claim 2, wherein: and a water level switch and a temperature sensor are arranged at the water outlet and are electrically connected with the controller.
4. A novel liquid heater as claimed in claim 1, wherein: the heat preservation layer comprises an insulating heat insulation material plate and a cotton clamping layer, and the cotton clamping layer is arranged between the insulating heat insulation material plate and the metal cavity.
5. A novel liquid heater as claimed in claim 1, wherein: and a plurality of magnetic strips are fixedly arranged on the outer surface of the excitation coil.
6. A novel liquid heater as claimed in claim 5, wherein: the number of the magnetic strips is 6, and the magnetic strips 6 are arranged on the outer surface of the excitation coil in an evenly-divided adhesive surrounding mode.
7. A novel liquid heater as claimed in claim 1, wherein: the outer surface of the insulating wire holder is provided with threads, the lower end face of the metal cavity is provided with a screw hole, the screw hole is matched with the threads, and the resistance type heating tube is fixedly connected with the electromagnetic induction heating body in a rotating mode through the screw hole.
8. A novel liquid heater as claimed in claim 1, wherein: and the middle part of the outer side of the metal cavity is provided with an overtemperature switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510726.8U CN210602219U (en) | 2019-04-15 | 2019-04-15 | Novel liquid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510726.8U CN210602219U (en) | 2019-04-15 | 2019-04-15 | Novel liquid heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210602219U true CN210602219U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920510726.8U Active CN210602219U (en) | 2019-04-15 | 2019-04-15 | Novel liquid heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210602219U (en) |
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2019
- 2019-04-15 CN CN201920510726.8U patent/CN210602219U/en active Active
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