A water heater temperature sensor

Abstract

The utility model discloses a water heater temperature sensor, it includes temperature sensing probe and two or more than temperature sensing probe, each temperature sensing probe and the wire of temperature sensing probe are connected to a row plug together, the inside of temperature sensing probe and temperature sensing probe is equipped with thermistor, the shell of temperature sensing probe is plastic shell, and the insulating skin layer injection moulded fixing of wire of corresponding temperature sensing probe of plastic shell, the shell of temperature sensing probe is metal shell, and its thermistor is encapsulated in metal shell through epoxy resin. The utility model discloses a plurality of temperature sensing probe can set up in the temperature measurement of the inner bag outer surface of water heater, and the distribution position is more flexible, and, need not to open hole installation, and use is more convenient.

Description

Technical Field

[0001] This utility model relates to a temperature sensor, and more particularly to a water heater temperature sensor. Background Technology

[0002] With the continuous development of water heater technology, its temperature control technology and safety have become increasingly sophisticated. However, these advancements rely heavily on temperature sensors to collect and provide feedback on temperature data from critical areas. Taking storage-type water heaters as an example, traditional temperature measurement typically targets the area near the outlet inside the tank. This is achieved by placing a thermistor in a sealed syringe and inserting it into the tank, extending it close to the outlet. However, because the water inside the tank is in motion during filling and draining, uneven water temperature occurs. Later, multi-point temperature measurement was adopted, but this still uses probe insertion, increasing the risk of leaks in the tank. Furthermore, the probes are typically inserted from the end of the tank, limiting their placement. Therefore, this problem needs to be addressed. Utility Model Content

[0003] The purpose of this utility model is to provide a water heater temperature sensor that is simple and reasonable in structure, easy to install, and flexible.

[0004] The purpose of this utility model is achieved as follows: A water heater temperature sensor includes a temperature sensing probe and two or more temperature sensing probes. The wires of each temperature sensing probe and the temperature sensing probe are connected to a power strip. Each temperature sensing probe and the temperature sensing probe has a thermistor inside. The outer shell of the temperature sensing probe is a plastic shell, and the insulation layer of the wires of the corresponding temperature sensing probe is injection molded and fixed. The outer shell of the temperature sensing probe is a metal shell, and its thermistor is encapsulated in the metal shell with epoxy resin.

[0005] The objective of this utility model can also be achieved by the following technical measures: As a more specific embodiment, the plastic shell is elongated and flat, and is injection molded to encapsulate the thermistor corresponding to the temperature sensing probe. The flat outer surface of the plastic shell is closer to the thermistor, serving as a sensing surface and facilitating faster temperature transfer to the thermistor.

[0006] As a further embodiment, the electrodes of the thermistor of the temperature sensing probe are extruded and shaped with the core of the wire and then welded to fix them; the connection between the electrodes and the core is encapsulated by the plastic shell.

[0007] As a further embodiment, the thermistor of the temperature sensing probe is located at one end of the plastic housing, and the wire is introduced into the plastic housing from the other end.

[0008] As a further embodiment, the temperature sensing probe is provided with one [element / unit].

[0009] As a further solution, the temperature sensing probe is provided with three probes.

[0010] As a further solution, the power strip is connected to four different lengths of wires. The longest and shortest wires are each connected to a temperature sensor, and the remaining two wires are connected to the remaining temperature sensor and the temperature probe, respectively.

[0011] The beneficial effects of this utility model are as follows: (1) The multiple temperature sensors of this utility model can be set on the outer surface of the inner tank of the water heater for temperature measurement. The distribution position is more flexible, and no holes need to be drilled for installation, making it more convenient to use.

[0012] (2) The temperature probe shell of this utility model is injection molded, which reduces one layer of metal shell compared with the temperature probe. Moreover, the injection molding process hardly requires waiting for it to dry, resulting in higher production efficiency.

[0013] (3) The temperature sensing probe of this utility model can be fixed by means of the foaming layer on the outer layer of the inner tank of the water heater, or it can be fixed by setting a bracket on the outer wall of the inner tank. Combined with the temperature sensing probe, it can collect the temperature at different locations near the inner tank wall, and it can also collect the water temperature of the inner tank. The collection range is wider, which gives the water heater a greater development space.

[0014] (4) The plastic shell of the temperature sensor of this utility model is injection molded and fixed with the insulation layer of the wire of the corresponding temperature sensor, which has better sealing performance; and the plastic shell and the foam layer of the inner liner can have better adhesion, avoiding the separation of the foam layer. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of an embodiment of the present invention.

[0016] Figure 2 This is a cross-sectional view of the temperature sensor with an injection-molded housing in this utility model.

[0017] Figure 3 for Figure 2 A schematic diagram of the AA cross-sectional structure.

[0018] Figure 4 for Figure 1 Enlarged structural diagram at point B.

[0019] In the diagram: 1 is the temperature probe, 11 is the first temperature probe, 12 is the second temperature probe, 13 is the third temperature probe, 2 is the temperature probe, 21 is the metal casing, 22 is the epoxy resin, 3 is the wire, 31 is the wire core, 32 is the insulating layer, 4 is the connector, 5 is the thermistor, 51 is the electrode, and 6 is the plastic casing. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments: See Figure 1 and Figure 2 As shown, a water heater temperature sensor includes a temperature probe 2 and three temperature probes 1. The wires 3 of each temperature probe 1 and the temperature probe 2 are connected to a power strip 4. The temperature probes 1 and 2 each have a thermistor 5 inside. The outer shell of the temperature probe 1 is a plastic shell 6, which is injection molded to the insulating layer 32 of the wire 3 of the corresponding temperature probe 1. The outer shell of the temperature probe 2 is a metal shell 21, and its thermistor 5 is encapsulated in the metal shell 21 by epoxy resin 22.

[0021] The plastic shell 6 is flat and elongated. The plastic shell 6 is injection molded and encapsulates the thermistor 5 corresponding to the temperature sensing probe 1.

[0022] The electrode 51 of the thermistor 5 of the temperature sensing probe 1 is extruded and shaped with the wire core 31 of the wire 3 and welded to fix it; the connection between the electrode 51 and the wire core 31 is enclosed by the plastic shell 6.

[0023] The thermistor 5 of the temperature sensing probe 1 is located at one end of the plastic housing 6, and the wire 3 is introduced into the plastic housing 6 from the other end of the plastic housing 6.

[0024] The three temperature sensors 1 are the first temperature sensor 11, the second temperature sensor 12, and the third temperature sensor 13.

[0025] The power strip 4 is connected to four different lengths of wires 3. The longest and shortest wires 3 are each connected to a temperature probe 1, and the remaining two types of wires 3 are connected to the remaining temperature probe 1 and the remaining temperature probe 2, respectively.

[0026] During installation, the connector 4 is coupled to the socket on the control circuit board (not shown in the figure). The temperature probe 2 is inserted into the necessary position inside the water heater tank, and other temperature probes are attached to the outer wall of the tank at the positions required for temperature measurement.

[0027] 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 without departing from the spirit and scope of this utility model, 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 water heater temperature sensor, comprising a temperature sensing probe (2), characterized in that: It also includes two or more temperature probes (1), and the wires (3) of each temperature probe (1) and the temperature probe (2) are connected to a power strip (4); the temperature probe (1) and the temperature probe (2) are both equipped with thermistors (5), the outer shell of the temperature probe (1) is a plastic shell (6), and the plastic shell (6) is injection molded to the insulating layer (32) of the wire (3) of the corresponding temperature probe (1); the outer shell of the temperature probe (2) is a metal shell (21), and its thermistor (5) is encapsulated in the metal shell (21) by epoxy resin (22).

2. The water heater temperature sensor according to claim 1, characterized in that: The plastic shell (6) is flat and elongated. The plastic shell (6) is injection molded and encapsulates the thermistor (5) corresponding to the temperature sensing probe (1).

3. The water heater temperature sensor according to claim 2, characterized in that: The thermistor (5) electrode (51) of the temperature sensing probe (1) and the wire core (31) of the wire (3) are extruded and welded together; the connection between the electrode (51) and the wire core (31) is enclosed by the plastic shell (6).

4. The water heater temperature sensor according to claim 2, characterized in that: The thermistor (5) of the temperature sensing probe (1) is located at one end of the plastic shell (6), and the wire (3) is introduced into the plastic shell (6) from the other end of the plastic shell (6).

5. The water heater temperature sensor according to claim 1, characterized in that: The temperature sensing probe (2) is provided with one.

6. The water heater temperature sensor according to claim 5, characterized in that: The temperature sensing probe (1) is provided in three parts.

7. The water heater temperature sensor according to claim 6, characterized in that: The power strip (4) is connected to four types of wires (3). The longest and shortest wires (3) are connected to a temperature probe (1) respectively, and the remaining two types of wires (3) are connected to the remaining temperature probe (1) and temperature probe (2) respectively.

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