Thermal radiation prevention type temperature collection column temperature sensor of electric pressure cooker

Abstract

The utility model relates to the technical field of temperature sensors, in particular to a thermal radiation prevention type temperature collection column temperature sensor of an electric pressure cooker, which comprises a protective shell, a fixing port penetrating through the inside and the outside is arranged in the middle of the upper end of the protective shell, a temperature collection component is fixedly mounted at the lower end of the protective shell, and a temperature sensing element is movably mounted on the lower inner wall surface of the protective shell. The temperature sensing element is electrically connected with the wire, three protection assemblies are fixedly connected to the outer surface of the temperature sensing element, and a connecting assembly is connected into the fixing opening in a sleeved mode. According to the heat radiation prevention type temperature collection column temperature sensor of the electric pressure cooker, the ceramic fiber heat insulation layer and the aluminum foil reflection layer in the temperature collection assembly can effectively reduce the influence of external heat radiation on the temperature collection column body, and it is ensured that the temperature sensing element can accurately measure the actual temperature in the electric pressure cooker; and temperature measurement deviation caused by heat radiation interference is avoided, so that the accuracy of temperature measurement is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature sensors, in particular to a heat radiation proof temperature sampling column temperature sensor for an electric pressure cooker. Background Art

[0002] In modern life, electric pressure cookers are a convenient and efficient cooking appliance widely used in homes and commercial kitchens. Accurately measuring and controlling the temperature inside electric pressure cookers is crucial for cooking results and safety. However, in actual use, traditional temperature sensors still have the following shortcomings: 1. Electric pressure cookers generate a large amount of thermal radiation during operation. This thermal radiation can interfere with the measurement results of the temperature sensor, resulting in inaccurate temperature measurement. Thermal radiation can cause the temperature sensor to be affected by additional heat, causing the measured value to be too high or too low, thereby affecting the temperature control accuracy of the electric pressure cooker. If the temperature control is inaccurate, it will cause food to be overcooked or undercooked, affecting the cooking quality and even causing safety issues. 2. Electric pressure cookers are subject to external vibration and impact during use, which can affect the stability and reliability of the temperature sensor. Vibration and impact can cause the internal components of the temperature sensor to loosen or damage, thereby affecting the accuracy and stability of temperature measurement. Therefore, we introduce a heat-resistant column temperature sensor for electric pressure cookers. Utility Model Content

[0003] The main purpose of the utility model is to provide an electric pressure cooker heat radiation proof temperature sensor, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A heat-proof radiation-proof temperature-collecting column temperature sensor for an electric pressure cooker, comprising a protective shell, a fixing opening in the middle of the upper end of the protective shell being open to pass through inside and outside, a temperature-collecting component fixedly mounted on the lower end of the protective shell, a temperature-sensing element movably mounted on the lower inner wall of the protective shell, the temperature-sensing element being electrically connected to a wire, three protective components fixedly connected to the outer surface of the temperature-sensing element, a connecting component sleeved in the fixing opening, and a wire electrically connected to the middle of the upper end of the connecting component;

[0006] The temperature collection component includes a temperature collection column body, the outer surface of the temperature collection column body is fixedly connected to a ceramic fiber insulation layer, the outer surface of the ceramic fiber insulation layer is fixedly connected to an aluminum foil reflective layer, and the upper end of the temperature collection column body is fixedly connected to the lower end of the protective shell.

[0007] Preferably, the temperature sampling column body is electrically connected to the temperature sensing element through a connecting wire.

[0008] By adopting the above technical solution: this electrical connection method ensures that the temperature sampling column body can quickly and accurately transmit the temperature changes inside the electric pressure cooker to the temperature sensing element.

[0009] Preferably, the connecting component includes a shell cover, the outer surface of the shell cover is provided with a plurality of anti-slip grooves, the lower end of the shell cover is fixedly connected to a fixing plug, the outer surface of the fixing plug is sleeved with a sealing ring, and the fixing plug is sleeved in the fixing port.

[0010] By adopting the above technical solution: the sealing ring can fit tightly to the inner wall surface of the fixed port, forming a reliable barrier, ensuring that the temperature sensor can work stably in various harsh environments, and improving the accuracy and reliability of temperature measurement.

[0011] Preferably, a plurality of the anti-slip grooves are distributed in a central annular array of the shell cover, and the outer surface of the sealing ring contacts the inner wall surface of the fixing port.

[0012] By adopting the above technical solution, the anti-slip grooves are distributed in a central annular array of the shell cover, so that good friction can be provided no matter from which angle the shell cover is held for operation.

[0013] Preferably, the protective assembly includes a fixed block, an end of the fixed block close to the temperature sensing element is fixedly connected to a damper and a spring, an end of the damper close to the temperature sensing element and an end of the spring close to the temperature sensing element are jointly fixedly connected to a connecting block, and an end of the fixed block away from the temperature sensing element is fixedly connected to the inner wall surface of the protective shell.

[0014] By adopting the above technical solution: during the operation of the electric pressure cooker, vibrations and impacts may occur. The damper and spring in the protective component can effectively absorb and slow down these external forces, thereby reducing the impact on the temperature sensing element and improving the stability of the temperature sensing element.

[0015] Preferably, the damper is located inside the spring and there is a gap between the damper and the inner wall surface of the spring, and the end of the connecting block close to the temperature sensing element is fixedly connected to the outer surface of the temperature sensing element.

[0016] By adopting the above technical solution, the existence of the gap prevents the damper and the spring from interfering with each other during operation, and each can fully exert its buffering characteristics.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In this utility model, the ceramic fiber insulation layer and aluminum foil reflective layer in the temperature sampling component can effectively reduce the impact of external heat radiation on the temperature sampling column body, ensuring that the temperature sensing element can accurately measure the actual temperature inside the electric pressure cooker, avoiding temperature measurement deviation caused by heat radiation interference, thereby improving the accuracy of temperature measurement. The ceramic fiber insulation layer can not only reduce the impact of heat radiation, but also prevent the temperature sampling column body from overheating, reducing the risk of damage to the temperature sampling column body due to overheating, and extending the service life of the temperature sampling column body;

[0019] 2. In the present invention, the damper and spring in the protective assembly can reduce the impact of external vibration on the temperature sensing element, prevent measurement errors caused by vibration, and further ensure the accuracy of temperature measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a heat radiation proof temperature column temperature sensor for an electric pressure cooker according to the present invention;

[0021] Figure 2 This is a schematic diagram of the overall structure of a temperature sampling component of a heat radiation proof temperature sampling column temperature sensor for an electric pressure cooker according to the present invention;

[0022] Figure 3 This is a schematic diagram of the overall structure of a connection assembly of a heat radiation proof temperature column temperature sensor for an electric pressure cooker according to the present invention;

[0023] Figure 4 This is a schematic diagram of the overall structure of a protective component of a heat radiation proof temperature sensor for an electric pressure cooker according to the present invention.

[0024] In the figure: 1. Protective shell; 2. Fixing port; 3. Temperature sampling component; 4. Temperature sensing element; 5. Protective component; 6. Connection component; 7. Wire; 31. Temperature sampling column body; 32. Ceramic fiber insulation layer; 33. Aluminum foil reflective layer; 51. Fixing block; 52. Damper; 53. Spring; 54. Connection block; 61. Shell cover; 62. Anti-slip groove; 63. Fixing plug; 64. Sealing ring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] See also Figure 1-4 , the utility model provides a technical solution:

[0029] A heat-proof radiation-proof temperature column temperature sensor for an electric pressure cooker comprises a protective shell 1, a fixing opening 2 for passing through inside and outside is opened in the middle of the upper end of the protective shell 1, a temperature sampling component 3 is fixedly installed at the lower end of the protective shell 1, a temperature sensing element 4 is movably installed on the lower inner wall surface of the protective shell 1, the temperature sensing element 4 is electrically connected to a wire 7, three protective components 5 are fixedly connected to the outer surface of the temperature sensing element 4, a connecting component 6 is sleeved in the fixing opening 2, and the middle of the upper end of the connecting component 6 is electrically connected to the wire 7.

[0030] In this embodiment, the temperature collection component 3 includes a temperature collection column body 31, the outer surface of the temperature collection column body 31 is fixedly connected to a ceramic fiber insulation layer 32, the outer surface of the ceramic fiber insulation layer 32 is fixedly connected to an aluminum foil reflective layer 33, and the upper end of the temperature collection column body 31 is fixedly connected to the lower end of the protective shell 1; the temperature collection column body 31 is electrically connected to the temperature sensing element 4 through a connecting line; the connecting component 6 includes a shell cover 61, the outer surface of the shell cover 61 is provided with a plurality of anti-slip grooves 62, the lower end of the shell cover 61 is fixedly connected to a fixing plug 63, the outer surface of the fixing plug 63 is sleeved with a sealing ring 64, and the fixing plug 63 is sleeved in the fixing port 2; a plurality of anti-slip grooves 62 The shell cover 61 is distributed in a central annular array, and the outer surface of the sealing ring 64 contacts the inner wall surface of the fixed port 2; the protective component 5 includes a fixed block 51, and the end of the fixed block 51 close to the temperature sensing element 4 is fixedly connected to the damper 52 and the spring 53, and the end of the damper 52 close to the temperature sensing element 4 and the end of the spring 53 close to the temperature sensing element 4 are jointly fixedly connected to the connecting block 54, and the end of the fixed block 51 away from the temperature sensing element 4 is fixedly connected to the inner wall surface of the protective shell 1; the damper 52 is located in the spring 53 and there is a gap with the inner wall surface of the spring 53, and the end of the connecting block 54 close to the temperature sensing element 4 is fixedly connected to the outer surface of the temperature sensing element 4.

[0031] It should be noted that the utility model is a heat radiation proof temperature column temperature sensor for electric pressure cookers. During use, the protective shell 1 prevents dust, water vapor, etc. in the external environment from damaging the internal components, and also reduces the interference of external factors on temperature measurement to a certain extent. By sleeve-fitting the fixing plug 63 in the connecting assembly 6 into the fixing port 2, the protective shell 1 is sealed to prevent external heat radiation and other interference factors from entering the protective shell 1 from this position and affecting the accurate measurement of the temperature sensing element 4. The temperature sensing column body 31 is made of a material with good thermal conductivity and can quickly conduct the heat inside the electric pressure cooker to the temperature sensing element 4. When the electric pressure cooker is working, the heat is transferred to the temperature sensing element 4 connected thereto through the temperature sensing column body 31, so that the temperature sensing element 4 can sense temperature changes. The ceramic fiber insulation layer 32 has good thermal insulation performance, so it can reduce the heat in the external environment from being conducted to the temperature sensing column body 31, thereby reducing the influence of external heat radiation on temperature measurement. At the same time , and can also prevent excessive heat loss from the temperature sampling column body 31 to the outside, ensuring that the temperature sensing element 4 can accurately measure the temperature inside the electric pressure cooker. The aluminum foil reflective layer 33 has a high reflectivity and can reflect external heat radiation back, further reducing the impact of heat radiation on the temperature sampling column body 31 and the temperature sensing element 4, thereby improving the accuracy of temperature measurement. The temperature sensing element 4 receives heat conducted from the temperature sampling column body 31 through the connection with the temperature sampling column body 31, and converts the temperature change into an electrical signal. This electrical signal is transmitted to the control system of the electric pressure cooker through the wire 7, so that the control system can perform corresponding operations according to the temperature change, such as adjusting the heating power, controlling the cooking time, etc. When the sensor is subjected to external vibration or impact, the damper 52 and the spring 53 can act as a buffer to reduce the impact on the temperature sensing element 4. The damper 52 slows down the vibration by consuming energy, and the spring 53 absorbs the impact force through elastic deformation. The two work together to protect the temperature sensing element 4 from damage and ensure the stability of temperature measurement.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A heat radiation proof temperature sensor for an electric pressure cooker, comprising a protective shell (1), characterized in that: A fixing opening (2) is provided in the middle of the upper end of the protective shell (1) and is passed through inside and outside. A temperature collection component (3) is fixedly installed on the lower end of the protective shell (1). A temperature sensing element (4) is movably installed on the lower inner wall of the protective shell (1). The temperature sensing element (4) is electrically connected to a wire (7). Three protective components (5) are fixedly connected to the outer surface of the temperature sensing element (4). A connecting component (6) is sleeved in the fixing opening (2). The middle of the upper end of the connecting component (6) is electrically connected to a wire (7). The temperature sampling component (3) comprises a temperature sampling column body (31), the outer surface of the temperature sampling column body (31) is fixedly connected to a ceramic fiber heat insulation layer (32), the outer surface of the ceramic fiber heat insulation layer (32) is fixedly connected to an aluminum foil reflective layer (33), and the upper end of the temperature sampling column body (31) is fixedly connected to the lower end of the protective shell (1).

2. The heat radiation proof temperature sensor for an electric pressure cooker according to claim 1, characterized in that: The temperature collecting column body (31) is electrically connected to the temperature sensing element (4) via a connecting wire.

3. The heat radiation proof temperature sensor for an electric pressure cooker according to claim 1, characterized in that: The connecting assembly (6) comprises a shell cover (61), the outer surface of the shell cover (61) is provided with a plurality of anti-slip grooves (62), the lower end of the shell cover (61) is fixedly connected to a fixing plug (63), the outer surface of the fixing plug (63) is sleeved with a sealing ring (64), and the fixing plug (63) is sleeved in the fixing port (2).

4. The heat radiation proof temperature sensor for an electric pressure cooker according to claim 3, characterized in that: A plurality of anti-slip grooves (62) are distributed in a central annular array of the shell cover (61), and the outer surface of the sealing ring (64) contacts the inner wall surface of the fixing port (2).

5. The heat radiation proof temperature sensor for an electric pressure cooker according to claim 1, characterized in that: The protective assembly (5) comprises a fixed block (51), an end of the fixed block (51) close to the temperature sensing element (4) is fixedly connected to a damper (52) and a spring (53), an end of the damper (52) close to the temperature sensing element (4) and an end of the spring (53) close to the temperature sensing element (4) are fixedly connected to a connecting block (54), and an end of the fixed block (51) away from the temperature sensing element (4) is fixedly connected to the inner wall surface of the protective shell (1).

6. The heat radiation proof temperature sensor for an electric pressure cooker according to claim 5, characterized in that: The damper (52) is located inside the spring (53) and has a gap with the inner wall surface of the spring (53); one end of the connecting block (54) close to the temperature sensing element (4) is fixedly connected to the outer surface of the temperature sensing element (4).

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