CN219124388U

CN219124388U - Multi-point temperature-measuring electromagnetic heater

Info

Publication number: CN219124388U
Application number: CN202223582505.2U
Authority: CN
Inventors: 陈炳梅; 蓝成勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-02
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses an electromagnetic heater for multipoint temperature measurement, and relates to the technical field of electromagnetic heaters. The utility model comprises an electromagnetic coil panel, a coil bracket, a panel, a temperature detection device and a controller, wherein the controller is electrically connected with the temperature detection device and the electromagnetic coil panel, and is characterized in that: the temperature detection device comprises a temperature sensor and a sensor seat, wherein the temperature sensor comprises a first temperature sensor and a second temperature sensor, the sensor seat is provided with a first support and a second support corresponding to the first temperature sensor and the second temperature sensor, the first support is arranged at the center of the coil support, and the second support is arranged around the first support. According to the utility model, the temperature measuring and detecting structure of the traditional electromagnetic heater is improved, and a plurality of temperature measuring points are added, so that the temperature signal reflected by the temperature detecting assembly is consistent with the actual temperature condition of the heater, and the accurate processing of the temperature measuring system on the acquired temperature data is facilitated.

Description

Multi-point temperature-measuring electromagnetic heater

Technical Field

The utility model belongs to the technical field of electromagnetic heaters, and particularly relates to an electromagnetic heater capable of measuring temperature at multiple points.

Background

Electromagnetic heaters are commonly used on induction cookers, and utilize alternating current to generate an alternating magnetic field with the direction changing continuously through a coil, eddy current can appear in the conductor in the alternating magnetic field, and the joule heating effect of the eddy current heats the conductor, so that heating is realized. In order to control the heating temperature, a temperature sensing element is usually arranged at the bottom of a glass ceramic plate of the induction cooker in a close manner, and a controller of the cooker performs output control of coil current through a temperature signal of the temperature sensing element. However, the induction cooker on the market is only provided with one temperature sensing element under the microcrystalline plate, the temperature signal of the controller is only obtained from the temperature of a certain position, and the heating temperature state of the whole cooker is reflected by a little temperature, so that the error is large, and the temperature sensed by the temperature sensing element and the temperature of the food material in the cooker are greatly different.

In order to solve the problem that the temperature signal of the electromagnetic heater has a large difference from the actual temperature signal, a multi-point temperature measuring electromagnetic heater is specially provided.

Disclosure of Invention

The utility model aims to provide an electromagnetic heater for measuring temperature at multiple points, which solves the problems in the background art.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides an electromagnetic heater of multiple spot temperature measurement, includes solenoid dish, coil bracket, panel, temperature-detecting device, controller, the controller is connected its characterized in that with temperature-detecting device, solenoid dish electricity: the temperature detection device comprises a temperature sensor and a sensor seat, wherein the temperature sensor comprises a first temperature sensor and a second temperature sensor, the sensor seat is provided with a first support and a second support corresponding to the first temperature sensor and the second temperature sensor, the first support is arranged at the center of the coil support, and the second support is arranged around the first support.

The coil support comprises a central ring part, an outer edge ring and radial rib plates, wherein the radial rib plates radially connect the central ring part and the outer edge ring, coil separation plates are arranged on the radial rib plates, and the coil separation plates regularly position and coil electromagnetic coil plates on the coil support; and a mounting ring rib is arranged between the central ring part and the outer edge ring and is used for supporting the positioning and mounting of the second support.

The central ring part of the coil support is provided with a first through hole for penetrating the first support and the sensor wire, and the mounting ring rib of the coil support is provided with a second through hole for penetrating the second support and the sensor wire.

The installation ring rib and the outer edge ring are concentric, one or two installation ring ribs are arranged, a plurality of second through holes are arranged on the installation ring rib, and the second through holes are perpendicular to the plane where the coil support is located.

The second through hole is arranged in the area between two adjacent radial rib plates.

The first support comprises a first mounting cylinder, a first annular rib surrounding the outer wall of the first mounting cylinder and a second annular rib, a first guide cylinder is arranged at the top opening and the bottom of the first mounting cylinder, a first spring is sleeved on the outer side of the first guide cylinder, and the first spring provides an upward supporting force for the temperature sensor.

The second support comprises a second installation cylinder, a cover ring and an elastic piece, a second guide cylinder is arranged at the top opening and the bottom of the second installation cylinder, a second spring is sleeved outside the second guide cylinder, the top of the second installation cylinder is connected with the cover ring in a clamping hook mode or a threaded connection mode, the inner end of the cover ring abuts against the middle part of the temperature sensor, and the outer end of the cover ring abuts against the edge of the second through hole.

The elastic piece is an O-shaped ring sleeved on the second mounting cylinder; or a pair of elastic sheets arranged on the outer wall of the second mounting cylinder.

The utility model has the following beneficial effects:

according to the utility model, the temperature measuring and detecting structure of the traditional electromagnetic heater is improved, and a plurality of temperature measuring points are added, so that the temperature signal reflected by the temperature detecting assembly is consistent with the actual temperature condition of the heater, and the accurate processing of the temperature measuring system on the acquired temperature data is facilitated.

According to the utility model, through the structural design of the first support and the second support, the first temperature sensor and the second temperature sensor can be conveniently inserted into the coil bracket for positioning and mounting.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of an electromagnetic heater bracket of the present utility model;

FIG. 2 is a rear perspective view of the electromagnetic heater bracket shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of a first mount configuration of the present utility model;

FIG. 4 is a bottom view of the first mount shown in FIG. 3;

fig. 5 is a schematic cross-sectional view of a second mount configuration of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model discloses an electromagnetic heater for measuring temperature at multiple points, which can be used for electric appliances such as electromagnetic stoves, electromagnetic heating water heaters and the like which generate heat in an electromagnetic heating mode. The electromagnetic heater comprises an electromagnetic coil panel (not shown), a coil bracket 1, a panel (not shown), a temperature detection device and a controller, wherein the controller is electrically connected with the temperature detection device and the electromagnetic coil panel, the temperature detection device transmits a detected temperature signal to the controller, and the controller processes the signal and makes a control instruction, so that a control circuit of the electromagnetic coil panel is started, and the electromagnetic coil panel is electrified to work, so that a set temperature value range is reached. The material of the panel may be a micro-crystal plate, a ceramic plate or other existing materials that can be used as electromagnetic heater panels.

The temperature detection device comprises a temperature sensor and a sensor seat, wherein the temperature sensor comprises a first temperature sensor 2 and a second temperature sensor 3, the sensor seat is correspondingly provided with a first support 4 and a second support 5, the first support is arranged at the center of a coil bracket, the first temperature sensor is arranged on the first support, the second support is arranged around the first support, the second support and the second temperature sensor are provided with a plurality of second temperature sensors, each second support is provided with a second temperature sensor, and a plurality of second temperature sensors can be distributed in equal-diameter rings taking the first support as the center or in rings with different diameters taking the first support as the center.

The coil support comprises a central ring part 11, an outer edge ring 12 and radial rib plates 13, wherein the radial rib plates radially connect the central ring part and the outer edge ring, and coil separation plates 14 are arranged on the radial rib plates and are used for regularly positioning and coiling the electromagnetic coil disc on the coil support. A mounting ring rib 15 is arranged between the central ring part and the outer edge ring and used for supporting the mounting and positioning of the second support, a first through hole 16 used for penetrating the first support and the sensor wire is arranged at the central position of the central ring part of the coil support, and a plurality of second through holes 17 used for penetrating the second support and the sensor wire are arranged on the mounting ring rib of the coil support. The mounting ring rib is an open ring or a closed ring, and is concentric with the outer ring, the mounting ring rib can be one or two, a plurality of second through holes are arranged on the mounting ring rib, the second through holes are perpendicular to the plane of the coil support and are arranged in the area between two adjacent radial rib plates.

The first support structure is shown in fig. 3-4, the first support 4 comprises a first mounting cylinder 41, a first annular rib 42 surrounding the outer wall of the first mounting cylinder and a second annular rib 43, a first guide cylinder 44 is arranged at the top opening and the bottom of the first mounting cylinder, a first spring 45 is sleeved outside the first guide cylinder, the first temperature sensor 2 is composed of an upper part 21, a middle part 22 and a foot 23, the diameter of the middle part is larger than that of the upper part and the foot, the foot of the temperature sensor stretches into the first guide cylinder and moves up and down in the first guide cylinder, the upper end of the first spring is propped against the main body of the temperature sensor, the lower end of the first spring is propped against the bottom wall of the first mounting cylinder, at least two symmetrical first buckles 46 are arranged at the top of the first mounting cylinder, the first buckles are pressed on the upper surface of the middle part of the temperature sensor, the upper part of the temperature sensor stretches out of the straight propped against the panel from the first mounting cylinder, the panel is pressed down after the electromagnetic heating device is assembled, and the first spring provides an upward supporting force for the temperature sensor, so that the temperature sensor can well contact with the panel. The first annular rib 42 is parallel to the second annular rib 43, the outer diameter of the first annular rib is larger than that of the second annular rib, the first annular rib is connected with the second annular rib through a pair of guide plates 47, the guide plates are matched with the switch of the first through hole, the guide plates can penetrate through the first through hole, the diameter of the second annular rib is smaller than the first inner diameter of the first through hole, the second annular rib can penetrate through the first through hole, the outer diameter of the first annular rib is larger than the first inner diameter, a hollow area is formed in the center line of the second annular rib, a pair of cantilever hooks 48 extend outwards horizontally from the outer wall of the first mounting cylinder, the height interval between the first annular rib and the second annular rib is equal to the mounting thickness of the central ring part of the coil support, and therefore when the first support extends downwards from the first through hole, the cantilever hooks pass through the first through hole and clamp the central ring part of the coil support between the first annular rib and the cantilever hooks.

Referring to fig. 5, the second support 5 includes a second mounting cylinder 51, a cover ring 52 and an elastic member 53, a top opening and a bottom of the second mounting cylinder are provided with a second guiding cylinder 54, a second spring 55 is sleeved outside the second guiding cylinder, the second temperature sensor 3 is composed of an upper portion, a middle portion and a foot, wherein the diameter of the middle portion is larger than that of the upper portion and the foot, the foot of the temperature sensor extends into the second guiding cylinder and moves up and down in the second guiding cylinder, the upper end of the second spring abuts against the main body of the temperature sensor, the lower end of the second spring abuts against the bottom wall of the second mounting cylinder, a vertical hollow 56 is arranged at the lower portion of the second mounting cylinder, the vertical hollow opening is downward to enable an outer side cylinder wall adjacent to the vertical cantilever 57 to be formed, an outer buckle is arranged at the tail end of the lower cantilever wall, the top of the second mounting cylinder is connected with the cover ring in a fastening manner or a threaded connection manner, the inner end of the cover ring abuts against the middle portion of the temperature sensor, and the outer end of the cover ring abuts against the edge of the second through hole. When the second support is installed, the temperature sensor and the second spring are installed in the second installation cylinder, then the cover ring is locked on the second installation cylinder, the second installation cylinder is inserted from the upper cylinder of the second through hole, and the outer buckle of the lower cantilever fixes the second support on the installation ring rib. And an elastic piece is arranged on the outer wall of the second mounting cylinder, so that an interference close-fit relationship is formed between the second mounting cylinder and the second through hole. The elastic piece can be an O-shaped ring sleeved on the second mounting cylinder, or a pair of elastic pieces arranged on the outer wall of the second mounting cylinder, one end of the elastic piece is inlaid on the second mounting cylinder, and the other end of the elastic piece is suspended.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides an electromagnetic heater of multiple spot temperature measurement, includes electromagnetic coil dish, coil support, panel, temperature-detecting device, controller, the controller is connected its characterized in that with temperature-detecting device, electromagnetic coil dish electricity: the temperature detection device comprises a temperature sensor and a sensor seat, wherein the temperature sensor comprises a first temperature sensor and a second temperature sensor, the sensor seat is provided with a first support and a second support corresponding to the first temperature sensor and the second temperature sensor, the first support is arranged at the center of the coil support, and the second support is arranged around the first support.

2. The multi-point thermometric electromagnetic heater of claim 1, wherein: the coil support comprises a central ring part, an outer edge ring and radial rib plates, wherein the radial rib plates radially connect the central ring part and the outer edge ring, coil separation plates are arranged on the radial rib plates, and the coil separation plates regularly position and coil electromagnetic coil plates on the coil support; and a mounting ring rib is arranged between the central ring part and the outer edge ring and is used for supporting the positioning and mounting of the second support.

3. The multi-point thermometric electromagnetic heater of claim 2, wherein: the central ring part of the coil support is provided with a first through hole for penetrating the first support and the sensor wire, and the mounting ring rib of the coil support is provided with a second through hole for penetrating the second support and the sensor wire.

4. The multi-point thermometric electromagnetic heater of claim 3, wherein: the installation ring rib and the outer edge ring are concentric, one or two installation ring ribs are arranged, a plurality of second through holes are arranged on the installation ring rib, and the second through holes are perpendicular to the plane where the coil support is located.

5. The multi-point thermometric electromagnetic heater of claim 4, wherein: the second through hole is arranged in the area between two adjacent radial rib plates.

6. The multi-point thermometric electromagnetic heater of any of claims 1 to 5, wherein: the first support comprises a first mounting cylinder, a first annular rib surrounding the outer wall of the first mounting cylinder and a second annular rib, a first guide cylinder is arranged at the top opening and the bottom of the first mounting cylinder, a first spring is sleeved on the outer side of the first guide cylinder, and the first spring provides an upward supporting force for the temperature sensor.

7. The multi-point thermometric electromagnetic heater of any of claims 3 to 5, wherein: the second support comprises a second installation cylinder, a cover ring and an elastic piece, a second guide cylinder is arranged at the top opening and the bottom of the second installation cylinder, a second spring is sleeved outside the second guide cylinder, the top of the second installation cylinder is connected with the cover ring in a clamping hook mode or a threaded connection mode, the inner end of the cover ring abuts against the middle part of the temperature sensor, and the outer end of the cover ring abuts against the edge of the second through hole.

8. The multi-point thermometric electromagnetic heater of claim 7, wherein: the elastic piece is an O-shaped ring sleeved on the second mounting cylinder; or a pair of elastic sheets arranged on the outer wall of the second mounting cylinder.