An inductor patch for a glass kettle

Abstract

The utility model relates to an inductor patch for glass kettle, including NTC film resistance, stainless steel patch and two pieces of positive and negative lamination connection's film patch, the NTC film resistance and stainless steel patch interval encapsulation fixed between two film patches, two film patches are led out to the two pins of NTC film resistance and the pin of stainless steel patch; this inductor patch structure can be installed on the kettle wall of glass kettle and use, utilize NTC film resistance to play temperature detection function, and the change of stainless steel patch inductive resistance value plays low water level detection function, and the structure is light and thin, basically does not need to occupy the installation space of glass kettle, and the production cost is low, easy to manufacture, improves the efficiency of assembly.

Description

Technical Field

[0001] This utility model relates to the field of electric kettles, specifically a sensor patch for glass kettles. Background Technology

[0002] Currently, to improve food safety, electric kettles are made entirely of glass. A heating element on the bottom of the glass kettle heats the water inside. Existing heating element installation structures are illustrated in Chinese Patent Document No. 201920503024.7, which describes an electromagnetically heated kettle with a water level sensor and infrared temperature distribution structure. This document discloses an electromagnetic heating base and a glass kettle body. The bottom of the glass kettle body has an electromagnetic heating layer that works in conjunction with the electromagnetic heating base. A side support for the kettle body is mounted on the electromagnetic heating base, and a water level sensor and an infrared temperature measuring device are installed on the side support. This prior art utilizes an external side support to install the water level sensor and infrared temperature measuring device to detect the water temperature and level in the glass kettle. However, the complex structure and installation of the water level sensor and infrared temperature measuring device reduce production efficiency and increase production costs. Therefore, further improvements are needed to the sensor structure used in glass kettles. Utility Model Content

[0003] The purpose of this invention is to solve the aforementioned problems and provide a sensor patch for glass kettles that has a simple and reasonable structure.

[0004] A sensor patch for a glass water bottle includes an NTC thin-film resistor, a stainless steel patch, and two thin-film patches bonded together in opposite directions. The NTC thin-film resistor and the stainless steel patch are spaced and fixed between the two thin-film patches, and two leads of the NTC thin-film resistor and one lead of the stainless steel patch extend out of the two thin-film patches.

[0005] The objective of this utility model can also be achieved by the following technical measures: As a more specific embodiment, the NTC thin-film resistor is disposed within the orthographic projection range below the stainless steel patch; the NTC thin-film resistor is disposed on the vertical symmetry line of the thin-film patch.

[0006] As a further embodiment, the stainless steel patch has a rectangular structure and is arranged laterally on the film patch relative to the horizontal plane.

[0007] As a further embodiment, the length of the stainless steel patch is L1, and 8mm≤L1≤12mm; the width of the stainless steel patch is W1, and 4mm≤W1≤8mm; the thickness of the stainless steel patch is H, and H≤0.4mm.

[0008] As a further embodiment, the length L1 of the stainless steel patch is 10mm; the width W1 of the stainless steel patch is 6mm; and the thickness H of the stainless steel patch is 0.25mm.

[0009] As a further embodiment, the two leads of the NTC thin film resistor are led outward from the bottom edge of the thin film patch; the leads of the stainless steel patch are connected at the lower corner of the stainless steel patch and are led outward from the bottom edge of the thin film patch. As a further embodiment, the two leads of the NTC thin-film resistor, the one lead of the stainless steel patch, and the side of the thin-film patch are arranged parallel to each other.

[0010] As a further embodiment, the spacing between the NTC thin-film resistor and the stainless steel patch is greater than or equal to 1.5 mm.

[0011] The two film patches have the same length and width, and the length of each film patch is L2, with 25mm≤L2≤35mm; the width of each film patch is W2, with 15mm≤W2≤20mm.

[0012] The film patch is made of a polymer material, including polyimide.

[0013] The beneficial effects of this utility model are as follows: This invention relates to a sensor patch for glass water bottles. This sensor patch structure can be attached to the wall of the glass water bottle. It uses an NTC thin film resistor for temperature detection and a stainless steel patch to detect low water level by sensing changes in resistance. The structure is thin and lightweight, taking up almost no installation space in the glass water bottle. Moreover, it has low production cost, is easy to manufacture, and improves assembly efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of one embodiment of the sensor patch structure in this utility model.

[0015] Figure 2 This is an exploded structural diagram of the sensor patch structure in this utility model.

[0016] Figure 3 This is a schematic diagram showing the dimensions of the sensor patch structure in this utility model. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] See Figures 1 to 3As shown, a sensor patch for a glass water bottle includes an NTC thin film resistor 1, a stainless steel patch 2, and two thin film patches 3 that are bonded together by a hot-pressing process. The NTC thin film resistor 1 and the stainless steel patch 2 are spaced and fixed between the two thin film patches 3. The two leads 4 of the NTC thin film resistor 1 and one lead 4 of the stainless steel patch 2 are led out of the two thin film patches 3.

[0019] This sensor patch structure can be attached to the wall of a glass water bottle. It uses an NTC thin film resistor 1 for temperature detection and a stainless steel patch 2 to detect low water level by sensing changes in resistance. The structure is thin and lightweight, taking up almost no installation space in the glass water bottle. Moreover, it has low production costs, is easy to manufacture, and improves assembly efficiency.

[0020] The NTC thin-film resistor 1 is positioned within the orthographic projection range below the stainless steel patch 2; the NTC thin-film resistor 1 is positioned on the vertical symmetry line of the thin-film patch 3; this structure ensures that the water level in the glass kettle will not fall below the NTC thin-film resistor 1 under intelligent control, and that the NTC thin-film resistor 1 always senses the water temperature value.

[0021] The stainless steel patch 2 has a rectangular structure and is arranged laterally on the film patch 3 relative to the horizontal plane. The stainless steel patch 2 extends in the lateral direction to match the water level line, increasing the sensing width between the stainless steel patch 2 and the water level line and improving the detection accuracy.

[0022] In this embodiment, preferably, the length L1 of the stainless steel patch 2 is 10mm; the width W1 of the stainless steel patch 2 is 6mm; and the thickness H of the stainless steel patch 2 is 0.25mm.

[0023] However, in other embodiments, the length of the stainless steel patch 2 is L1, and 8mm≤L1≤12mm; the width of the stainless steel patch 2 is W1, and 4mm≤W1≤8mm; the length and width of the stainless steel patch 2 can achieve the purpose of low water level detection within the above thresholds; the thickness of the stainless steel patch 2 is H, and H≤0.4mm; and at this thickness, when the two thin film patches 3 are bonded together, the edge deviation of the stainless steel patch 2 is reduced.

[0024] The two pins 4 of the NTC thin film resistor 1 are led outward from the bottom edge of the thin film patch 3; the pins 4 of the stainless steel patch 2 are connected at the lower corner of the stainless steel patch 2 and are led outward from the bottom edge of the thin film patch 3; in the glass water bottle, the electronic control structure is mainly located at the bottom, so the pins 4 are led out from the bottom edge, which reduces the length of the pins 4 and makes wiring easier.

[0025] The two pins 4 of the NTC thin film resistor 1, one pin 4 of the stainless steel patch 2, and the side of the thin film patch 3 are arranged parallel to each other, making the overall sensor patch structure more regular and aesthetically pleasing.

[0026] In this embodiment, the distance between the NTC thin film resistor 1 and the stainless steel patch 2 is greater than or equal to 1.5 mm.

[0027] The two thin-film patches 3 have the same length and width, and the length of each thin-film patch 3 is L2, and 25mm≤L2≤35mm; the width of each thin-film patch 3 is W2, and 15mm≤W2≤20mm; the length and width of the thin-film patch 3 ensure that the stainless steel patch 2, the NTC thin-film resistor 1 and the thin-film patch 3 maintain a safe distance.

[0028] In addition, the thin film patch 3 is made of a polymer material, which includes polyimide.

[0029] The above describes the preferred embodiments of this utility model, illustrating and describing its basic principles, main features, and advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. A sensor patch for a glass water bottle, characterized in that: It includes an NTC thin film resistor, a stainless steel surface mount, and two thin film surfaces bonded together in opposite directions. The NTC thin film resistor and the stainless steel surface mount are spaced apart and fixed between the two thin film surfaces. Two leads of the NTC thin film resistor and one lead of the stainless steel surface mount are led out of the two thin film surfaces.

2. The sensor patch for a glass water bottle according to claim 1, characterized in that: The NTC thin-film resistor is positioned within the orthographic projection area below the stainless steel patch; the NTC thin-film resistor is positioned on the vertical symmetry line of the thin-film patch.

3. A sensor patch for a glass kettle according to claim 1, characterized in that: The stainless steel patch has a rectangular structure and is arranged laterally on the film patch relative to the horizontal plane.

4. A sensor patch for a glass water bottle according to claim 1, characterized in that: The length of the stainless steel patch is L1, and 8mm≤L1≤12mm; the width of the stainless steel patch is W1, and 4mm≤W1≤8mm; the thickness of the stainless steel patch is H, and H≤0.4mm.

5. A sensor patch for a glass water bottle according to claim 1, characterized in that: The length L1 of the stainless steel patch is 10mm; the width W1 of the stainless steel patch is 6mm; and the thickness H of the stainless steel patch is 0.25mm.

6. A sensor patch for a glass kettle according to claim 1, characterized in that: The two leads of the NTC thin film resistor are led outward from the bottom edge of the thin film patch; the leads of the stainless steel patch are connected at the lower corner of the stainless steel patch and are led outward from the bottom edge of the thin film patch.

7. A sensor patch for a glass water bottle according to claim 1, characterized in that: The two leads of the NTC thin-film resistor, one lead of the stainless steel patch, and the side of the thin-film patch are arranged parallel to each other.

8. A sensor patch for a glass water bottle according to claim 1, characterized in that: The spacing between the NTC thin film resistor and the stainless steel patch is greater than or equal to 1.5 mm.

9. A sensor patch for a glass kettle according to claim 1, characterized in that: The two film patches have the same length and width, and the length of each film patch is L2, with 25mm≤L2≤35mm; the width of each film patch is W2, with 15mm≤W2≤20mm.

10. A sensor patch for a glass kettle according to claim 1, characterized in that: The film patch is made of a polymer material, including polyimide.

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