A thermocouple induction device

Abstract

This utility model relates to the field of gas stove manufacturing technology, and more particularly to a thermocouple sensing device. The utility model discloses a thermocouple sensing device, including a thermocouple and a ring-shaped connecting piece. The thermocouple sensing device further includes: a first terminal block, a second terminal block, a first connector, and a second connector. The thermocouple is connected to the ring-shaped connecting piece and the first terminal block respectively via wires. The second terminal block is connected in parallel with one conductive channel of the first terminal block. The first connector is connected to the other conductive channel of the first terminal block via a wire. The second terminal block is connected to the second connector via a wire. This utility model's thermocouple sensing device, by connecting the second terminal block in parallel with the first terminal block, enables it to function as a single-wire thermocouple, a single-wire zero-second thermocouple, and a double-wire zero-second thermocouple, reducing production and inventory costs. It has a simple structure and is convenient for maintenance workers to carry.

Description

Technical Field

[0001] This utility model relates to the field of gas stove manufacturing technology, and in particular to a thermocouple induction device. Background Technology

[0002] Thermocouple sensing needles are the core safety components of stoves. By sensing the flame status and linking it to the controller and valve body, they enable flameout protection and control the gas supply. As an emergency shut-off device for gas pipelines, it can be connected to gas leak alarm systems, fire protection terminals, or intelligent security modules to achieve local / remote automatic or manual gas supply shut-off, ensuring gas safety.

[0003] Existing cooktop thermocouple sensing needles have three independent structures: single-wire thermocouples, single-wire zero-second thermocouples, and double-wire zero-second thermocouples. The interfaces of these three types of thermocouples are incompatible with each other, resulting in cooktop production lines requiring multiple sets of tooling, non-interchangeable spare parts for repairs, and increased production costs and after-sales complexity. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing a thermocouple sensing device. By connecting a second terminal in parallel to a first terminal, a novel thermocouple sensing needle structure is formed. Depending on the application scenario, it can realize the functions of three structures: single-wire thermocouple, single-wire zero-second thermocouple, and double-wire zero-second thermocouple. This reduces production and inventory costs, and the structure is simple and convenient for maintenance workers to carry.

[0005] Therefore, the purpose of this utility model is to provide a thermocouple induction device.

[0006] To achieve the purpose of this utility model, the technical solution of this utility model provides a thermocouple sensing device, including a thermocouple and an annular connecting piece. The thermocouple sensing device further includes: a first terminal, a second terminal, a first connector, and a second connector. The thermocouple is connected to the annular connecting piece and the first terminal respectively through wires. The second terminal is connected in parallel with one conductive channel of the first terminal. The first connector is connected to the other conductive channel of the first terminal through a wire. The second terminal is connected to the second connector through a wire.

[0007] In one technical solution of this utility model, the first terminal is a double-hole terminal; the second terminal is a single-hole terminal.

[0008] In one technical solution of this utility model, an insulating isolation layer is provided between the first terminal and the second terminal.

[0009] In one technical solution of this utility model, both the first connector and the second connector are plate-type plug-in structures.

[0010] The technical solution provided by this utility model can achieve at least one of the following effects: (1) The structure is simple. A new type of thermocouple induction needle structure is formed by connecting the second terminal in parallel on the first terminal. (2) Multiple usage scenarios: Through different wiring methods, the functions of three structures, namely single-wire thermocouple, single-wire zero-second thermocouple and double-wire zero-second thermocouple, can be realized. Users can flexibly switch working modes according to safety requirements. (3) Reducing production and inventory costs is of great significance for the unified stove production line, making inventory preparation easier and reducing the complexity of after-sales maintenance. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the accompanying drawings are only some embodiments of this utility model. For those skilled in the art, other embodiments and their accompanying drawings can be obtained from the embodiments shown in these drawings without creative effort.

[0012] Figure 1 This is one of the structural schematic diagrams of the thermocouple induction device of this utility model; Figure 2 This is the second schematic diagram of the thermocouple induction device of this utility model; Figure 3 This is the third schematic diagram of the thermocouple induction device of this utility model; Figure 4 This is a schematic diagram of a single-wire zero-second thermocouple structure; Figure 5 This is a schematic diagram of a single-wire thermocouple structure; Figure 6 This is a schematic diagram of a double-wire zero-second thermocouple.

[0013] Explanation of reference numerals in the attached figures: 1. Thermocouple induction device; 2. Thermocouple; 3. Ring-shaped connector; 4. First terminal block; 5. Second terminal block; 6. First connector; 7. Second connector. Detailed Implementation

[0014] The technical solutions of various embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0015] Furthermore, it should be understood in the description of this utility model that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0017] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "implementation," "example," "aspect," or "specific example" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0018] The following reference Figures 1 to 6 The technical solutions of some embodiments of this utility model are described below.

[0019] An embodiment of this utility model provides a thermocouple induction device 1, such as... Figures 1 to 3 As shown, the device includes a thermocouple 2 and an annular connecting piece 3. The thermocouple sensing device 1 also includes a first terminal 4, a second terminal 5, a first connector 6, and a second connector 7. The thermocouple 2 is connected to the annular connecting piece 3 and the first terminal 4 via wires. The second terminal 5 is connected in parallel with one conductive channel of the first terminal 4. The first connector 6 is connected to the other conductive channel of the first terminal 4 via a wire. The second terminal 5 is connected to the second connector 7 via a wire.

[0020] For example, the thermocouple 2 has the following structure from the inside out: induction needle, constantan wire and insulating protective sleeve.

[0021] For example, the ring-shaped terminal block 3 is connected to the ground wire or the screw on the bottom shell of the gas stove.

[0022] For example, in a scenario where a dual-wire zero-second thermocouple function is required, the thermocouple sensing device 1 has a first wiring method, with the first terminal 4 connected to a dual-hole solenoid valve and the first connector 6 connected to a pulse igniter.

[0023] For example, in a scenario where a single-wire thermocouple function is required, the thermocouple sensing device 1 has a second wiring method, with the second terminal 5 connected to a single-hole solenoid valve.

[0024] For example, in a scenario where a single-wire zero-second thermocouple function is required, the thermocouple sensing device 1 has a third wiring method, with the second terminal 5 connected to a single-hole solenoid valve and the second connector 7 connected to a pulse igniter.

[0025] The thermocouple sensing device 1 of this utility model forms a novel thermocouple sensing needle structure by connecting a second terminal 5 in parallel to a first terminal 4, and providing a first connector 6 and a second connector 7 to connect to the first terminal 4 and the second terminal 5 respectively. The structure is simple and can realize the functions of three structures: single-wire thermocouple, single-wire zero-second thermocouple, and double-wire zero-second thermocouple, depending on different usage scenarios. Users can flexibly switch the working mode according to safety requirements. As an accessory for stoves, it facilitates the standardization of subsequent stove production and installation tooling, reduces inventory costs, eliminates the need to distinguish the type of thermocouple sensing device 1, and improves product production efficiency; it also reduces the cost of maintenance spare parts, as workers only need to carry one type of thermocouple sensing device for after-sales maintenance.

[0026] In some embodiments of this application, the first terminal 4 is a two-hole terminal; the second terminal 5 is a single-hole terminal.

[0027] The first terminal 4 and the second terminal 5 are connected in parallel. Specifically, the first terminal 4 is a double-hole terminal and the second terminal 5 is a single-hole terminal. This ensures the independence of the current circuit, improves the overall stability, and the double-hole terminal is larger in size, making it less prone to spatial conflicts.

[0028] In some embodiments of this application, an insulating layer is provided between the first terminal 4 and the second terminal 5.

[0029] The insulating layer prevents accidental conduction between the first terminal 4 and the second terminal 5, solving the problem of arc breakdown between terminals in high humidity and oily environments and avoiding the risk of short circuits.

[0030] In some embodiments of this application, the first connector 6 and the second connector 7 are both plate-type plug-in structures.

[0031] The plate-type plug-in structure is compatible with most solenoid valve interfaces on the market, eliminating the need for a converter.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and not restrictive in all respects. The scope of this invention is defined by the appended claims, not by the foregoing description, and is therefore intended to encompass all variations falling within the meaning and scope of equivalents of the claims. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0033] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A thermocouple sensing device, the thermocouple sensing device (1) comprising a thermocouple (2), a ring lug (3), characterized in that, The thermocouple sensing device (1) further includes: a first terminal (4), a second terminal (5), a first connector (6), and a second connector (7); The thermocouple (2) is connected to the annular connecting piece (3) and the first terminal (4) by wires, the second terminal (5) is connected in parallel with one conductive channel of the first terminal (4), the first plug (6) is connected to the other conductive channel of the first terminal (4) by wires, and the second terminal (5) is connected to the second plug (7) by wires.

2. The thermocouple induction device according to claim 1, characterized in that, The first terminal block (4) is a two-hole terminal block; The second terminal (5) is a single-hole terminal.

3. The thermocouple sensing device of claim 1, wherein, An insulating layer is provided between the first terminal (4) and the second terminal (5).

4. The thermocouple sensing device of claim 1, wherein, Both the first connector (6) and the second connector (7) are plate-type plug-in structures.

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