Simple temperature sensor
By designing a simple temperature sensor and using a structure that combines a plastic upper shell and a metal bottom shell, the existing temperature sensor has solved the complex structure and high cost, achieving the effect of simple structure, convenient assembly, low cost and accurate temperature sensing.
Patent Information
- Application Number
- CN202421848081.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing temperature sensor has complex structure, cumbersome assembly process, and high overall cost, making it difficult to meet the needs of special use environments.
A simple temperature sensor is designed, using a structure that combines a plastic upper shell and a metal bottom shell. The thermistor is located inside the lower end of the metal bottom shell. The conductor connects the thermistor and the conductive plug. The metal bottom shell and the plastic upper shell are integrated to ensure structural strength and sealing.
The temperature sensor is simple in structure, easy to assemble and low overall cost, ensuring the accuracy and sealing of temperature sensing.
Smart Images
Figure CN222837695U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of temperature sensors, and in particular relates to a simple temperature sensor. Background Art
[0002] Temperature sensors are used to sense temperature changes at specific locations, and generally use a shell-type thermistor structure. The structure of temperature sensors varies depending on the usage environment. Existing temperature sensors have complex structures, cumbersome assembly processes, and high overall costs. Therefore, it is necessary to design a simple and practical temperature sensor that meets special usage environments. Utility Model Content
[0003] In order to solve the above technical problems, the technical solution adopted by the utility model is: a simple temperature sensor, including a plastic upper shell, a metal bottom shell and a thermistor, the upper end of the plastic upper shell is provided with a plug-in slot, a conductive plug is provided in the plug-in slot, the lower end of the plastic upper shell is provided with a connecting slot, connecting plates are respectively provided on both sides of the connecting slot, and mounting holes are respectively provided on the connecting plates, the upper end of the metal bottom shell is inserted into the connecting slot and fixedly connected to the plastic upper shell, the lower end of the metal bottom shell is sealed, the thermistor is located inside the lower end of the metal bottom shell, a conductor connected to the thermistor is provided in the plastic upper shell, and the conductor is connected to the conductive plug.
[0004] As a preferred embodiment of the above technical solution, the upper end of the metal bottom shell is provided with an annular limiting plate which is bent outwards, and the annular limiting plate is embedded in the interior of the plastic upper shell.
[0005] As a preferred embodiment of the above technical solution, a sealing ring is provided on the upper end of the metal bottom shell.
[0006] As a preferred embodiment of the above technical solution, the plastic upper shell includes a vertical section and a horizontal section, the plug-in slot is located at one end of the horizontal section, the other end of the horizontal section is fixedly connected with a docking tube, the docking tube is inserted into the vertical section from the upper end of the vertical section, and the horizontal section is welded to the vertical section.
[0007] As a preferred embodiment of the above technical solution, a solid block is provided inside the butt joint tube, the solid block is located inside the butt joint tube and is integrally formed with the horizontal section, the conductor is a conductive copper sheet, the middle part of the conductive copper sheet is embedded in the solid block, one end of the conductive copper sheet extends into the plug-in slot to form a conductive plug, and the other end passes through the solid block and is connected to the thermistor through an insulated wire.
[0008] As a preferred embodiment of the above technical solution, an insulating partition is provided between the upper ends of adjacent insulating wires, and the insulating partition is integrally formed with the solid block.
[0009] As a preferred embodiment of the above technical solution, the diameter of the lower end of the metal bottom shell gradually decreases to form a temperature sensing portion, and the thermistor is located inside the temperature sensing portion.
[0010] The utility model has the following beneficial effects: the simple temperature sensor of the utility model has a simple structure, is easy to assemble, and has a low overall cost. The metal bottom shell is integrally connected with the plastic upper shell, which ensures the structural strength and sealing of the temperature sensor. The metal bottom shell has good thermal conductivity, which ensures the accuracy of temperature sensing of the temperature sensor. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of the utility model;
[0012] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;
[0013] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model from another angle. DETAILED DESCRIPTION
[0014] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0015] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0017] like Figure 1-3As shown, the simple temperature sensor includes a plastic upper shell 1, a metal bottom shell 2 and a thermistor 3. The upper end of the plastic upper shell 1 is provided with a plug-in slot 4, and a conductive plug 5 is provided in the plug-in slot 4. The lower end of the plastic upper shell 1 is provided with a connecting slot 6, and connecting plates 7 are respectively provided on both sides of the connecting slot 6. The connecting plates 7 are respectively provided with mounting holes 8. The upper end of the metal bottom shell 2 is inserted into the connecting slot 6 and fixedly connected to the plastic upper shell 1. The lower end of the metal bottom shell 2 is sealed. The thermistor 3 is located inside the lower end of the metal bottom shell 2. A conductor connected to the thermistor 3 is provided in the plastic upper shell 1, and the conductor is connected to the conductive plug 5.
[0018] Furthermore, an annular limiting plate 9 is provided at the upper end of the metal bottom shell 2 and is bent outwards, and the annular limiting plate 9 is embedded in the interior of the plastic upper shell 1 .
[0019] Furthermore, a sealing ring 10 is sleeved on the upper end of the metal bottom shell 2. The sealing ring 10 improves the sealing performance of the temperature sensor installation location.
[0020] Furthermore, the plastic upper shell 1 includes a vertical section 11 and a horizontal section 12, the plug-in slot 4 is located at one end of the horizontal section 12, and the other end of the horizontal section 12 is fixedly connected with a docking pipe 13, the docking pipe 13 is inserted into the vertical section 11 from the upper end of the vertical section 11, and the horizontal section 12 is welded to the vertical section 11. After the metal bottom shell 2 is connected to the vertical section 11, the horizontal section 12 and the vertical section 11 are ultrasonically welded. The connection between the metal bottom shell 2 and the vertical section 11 can be achieved by embedding the annular limit plate 9 into the vertical section 11 during the molding process of the vertical section 11, so that the one-piece molding improves the tightness of the connection between the two.
[0021] Furthermore, a solid block 14 is provided inside the butt joint tube 13, and the solid block 14 is located inside the butt joint tube 13 and is integrally formed with the horizontal section 12. The conductor is a conductive copper sheet 17, and the middle part of the conductive copper sheet 17 is embedded in the solid block 14. One end of the conductive copper sheet 17 extends into the plug-in slot 4 to form a conductive plug 5, and the other end passes through the solid block 14 and is connected to the thermistor 3 through an insulated wire 15.
[0022] Furthermore, an insulating partition 16 is provided between the upper ends of adjacent insulating conductors 15 , and the insulating partition 16 is integrally formed with the solid block 14 .
[0023] Furthermore, the diameter of the lower end of the metal bottom shell 2 gradually decreases to form a temperature sensing portion 18, and the thermistor 3 is located inside the temperature sensing portion 18. The metal bottom shell 2 is made of a metal with good thermal conductivity, such as aluminum, copper, etc. The metal bottom shell 2 in this embodiment is made of copper.
[0024] It is worth mentioning that the technical features such as thermistors involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected according to the conventional methods in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.
[0025] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field through logical analysis, reasoning or limited experiments based on the concept of the utility model on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. A simple temperature sensor, characterized in that: The invention comprises a plastic upper shell, a metal bottom shell and a thermistor. The upper end of the plastic upper shell is provided with a plug-in slot, in which a conductive plug is arranged. The lower end of the plastic upper shell is provided with a connecting slot, and connecting plates are respectively arranged on both sides of the connecting slot. The connecting plates are respectively provided with mounting holes. The upper end of the metal bottom shell is inserted into the connecting slot and fixedly connected to the plastic upper shell. The lower end of the metal bottom shell is sealed. The thermistor is located inside the lower end of the metal bottom shell. A conductor connected to the thermistor is arranged in the plastic upper shell, and the conductor is connected to the conductive plug.
2. The simple temperature sensor according to claim 1, characterized in that: The upper end of the metal bottom shell is provided with an annular limiting plate which is bent outwards, and the annular limiting plate is embedded in the interior of the plastic upper shell.
3. The simple temperature sensor according to claim 1, characterized in that: The upper end of the metal bottom shell is sleeved with a sealing ring.
4. The simple temperature sensor according to claim 1, characterized in that: The plastic upper shell includes a vertical section and a horizontal section. The insertion slot is located at one end of the horizontal section. The other end of the horizontal section is fixedly connected with a docking pipe, which is inserted into the vertical section from the upper end of the vertical section. The horizontal section is welded to the vertical section.
5. The simple temperature sensor according to claim 4, characterized in that: A solid block is provided inside the butt-joint tube, the solid block is located inside the butt-joint tube and is integrally formed with the horizontal section, the conductor is a conductive copper sheet, the middle part of the conductive copper sheet is embedded in the solid block, one end of the conductive copper sheet extends into the plug-in slot to form a conductive plug, and the other end passes through the solid block and is connected to the thermistor through an insulated wire.
6. The simple temperature sensor according to claim 5, characterized in that: An insulating partition is arranged between the upper ends of adjacent conductive wires with insulating skins, and the insulating partition is integrally formed with the solid block.
7. The simple temperature sensor according to claim 1, characterized in that: The diameter of the lower end of the metal bottom shell gradually decreases to form a temperature sensing portion, and the thermistor is located inside the temperature sensing portion.