Flexible bendable temperature sensor

Abstract

The invention provides a flexible bendable temperature sensor, and relates to the field of temperature measurement. The flexible bendable temperature sensor comprises a soft metal wire, the soft metal wire is coated with a wire jacket, the soft metal wire is made of a nickel-titanium alloy material, two wires are arranged in the wire jacket, and the two wires are symmetrically arranged on the two sides of the soft metal wire. According to the temperature sensor, the injection molding shell made of the TPE material is arranged, and the chip at the head of the temperature sensor, the welding points of the chip pins and the lead, the head of the lead and the head of the lead jacket are packaged by using the injection molding shell in an injection molding manner, so that the chip can be effectively prevented from being damaged by the external environment, and the sealing and waterproof performance of the temperature sensor is improved; therefore, the temperature sensor can work normally in various complex environments, the application range of the temperature sensor is widened, the measurement precision and stability are ensured, and the environmental adaptability of the temperature sensor is improved.

Description

Technical Field

[0001] The present invention relates to the field of temperature measurement, and in particular to a flexible and bendable temperature sensor. Background Art

[0002] With the continuous development of industrial technology and the increasing requirements for temperature measurement accuracy, there is an urgent need for a temperature measurement device that can adapt to various shapes of measurement objects and complex measurement environments to improve the accuracy and reliability of temperature measurement.

[0003] Many traditional temperature sensors use a rigid structure with a fixed shape and cannot be flexibly adjusted according to the shape of the measured object and the measurement environment. When measuring the temperature of objects with irregular surfaces or narrow spaces, rigid sensors often find it difficult to fit tightly to the measurement surface, resulting in large measurement errors or even inability to complete the measurement task. Some sensors are not ideal in the choice of packaging materials and may have problems such as poor temperature resistance and poor sealing, which limits their use in harsh environments such as high temperature and humidity. Summary of the Invention

[0004] 1. Technical problems solved In response to the shortcomings of the existing technology, the present invention provides a flexible and bendable temperature sensor that can be flexibly bent and fixed in shape. It can be freely bent according to the shape of the measured object and the measurement environment, which is convenient for installation and use. It improves the flexibility and practicality of the temperature sensor, has high environmental adaptability, can work normally in various complex environments, broadens the application range of the sensor, and ensures measurement accuracy and stability.

[0005] 2. Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: A flexible and bendable temperature sensor includes a soft metal wire, the outside of which is covered with a wire sheath, the soft metal wire is made of nickel-titanium alloy, two wires are arranged inside the wire sheath, and the two wires are symmetrically arranged on both sides of the soft metal wire.

[0006] A chip is provided at the heads of the two wires, the pins of the chip are fixedly connected to the heads of the two wires by welding, the heads of the two wires are provided with an injection-molded shell, the chip, the welding points between the chip pins and the wires, the heads of the wires and the heads of the wire sheaths are encapsulated inside the injection-molded shell by injection molding, and the injection-molded shell is made of TPE material.

[0007] Through the above technical solution, in order to improve the flexibility and practicality of the temperature sensor, a soft metal wire made of nickel-titanium alloy is arranged inside the outer sheath of the wire, so that the temperature sensor can be flexibly bent and fixed in shape, and can be freely bent according to the shape of the measured object and the measurement environment, which is convenient for installation and use. In order to improve the environmental adaptability of the temperature sensor, an injection-molded shell made of TPE material is arranged, and the chip on the head of the temperature sensor, the welding points between the chip pins and the wires, the head of the wire and the head of the outer sheath of the wire are encapsulated by injection molding. This can effectively protect the chip from damage from the external environment, improve the sealing and waterproof performance of the temperature sensor, enable the temperature sensor to work normally in various complex environments, broaden the application range of the temperature sensor, and ensure measurement accuracy and stability.

[0008] Furthermore, the outer sheath of the wire is made of thermoplastic polyurethane; Through the above technical solution, the outer sheath of the wire is made of thermoplastic polyurethane, which gives the sensor excellent flexibility and bending resistance. It can withstand high-frequency dynamic bending without breaking, and is suitable for dynamic bending scenarios. Its wear resistance and tear resistance significantly extend the service life of the sensor in mechanical friction or sharp object scratching environments. The insulation performance of thermoplastic polyurethane effectively isolates the wire from the external environment, prevents the risk of leakage or short circuit, and ensures safe use. In addition, thermoplastic polyurethane can still maintain flexibility in low temperature environments, avoiding brittle cracking, and is suitable for extreme low temperature scenarios such as cold chain logistics and polar exploration. Its processing convenience makes it easier to integrate with soft metal wires and wires for production, reducing manufacturing costs.

[0009] Furthermore, the conductive wire is made of silver alloy wire; Through the above technical solution, the wire is made of silver alloy wire, which further improves the performance of the sensor. The high conductivity of silver alloy significantly reduces the resistance loss during signal transmission, improves the acquisition accuracy and response speed of temperature data, and its antioxidant and corrosion resistance are achieved through a dense surface oxide film, which avoids the performance degradation of the wire due to long-term use and extends the life of the sensor. The silver alloy wire has both flexibility and mechanical strength, can adapt to repeated bending and is not easy to break, ensuring the stability of signal transmission. At the same time, the silver alloy wire has a thinner diameter, which provides the possibility for the miniaturization design of the sensor, and is suitable for space-constrained scenarios such as miniature medical probes and smart textiles. By adding trace alloying elements, the silver alloy reduces the cost while retaining high conductivity, achieving a balance between performance and economy.

[0010] Furthermore, the chip is a high-precision digital temperature sensor chip; Through the above technical solution, the chip adopts a high-precision digital temperature sensor chip, which brings high-precision measurement and fast response capabilities to the sensor. The digital chip can achieve ±0.1°C accuracy, meeting the needs of temperature-sensitive scenarios such as medical and industrial scenarios, reducing measurement errors. Its millisecond-level temperature update speed can capture temperature changes in real time, which is suitable for dynamic monitoring scenarios such as equipment overheating warning. The anti-electromagnetic interference performance of digital signal transmission is better than that of analog signals, ensuring the reliability of data in complex electromagnetic environments.

[0011] Furthermore, the tail of the wire is connected to a measuring device, and the outer surface of the measuring device is provided with a touch display screen; Through the above technical solution, the touch screen display set on the outer surface of the measuring device enables users to view temperature data intuitively and conveniently. Users do not need to use other auxiliary equipment and can obtain temperature information in real time by touching the display screen. They can also perform simple operations such as setting parameters and viewing historical data, which greatly improves the user experience and facilitates the rapid acquisition and use of temperature data in various scenarios.

[0012] Furthermore, the outer portion of the conductor sheath is covered with a protective layer, and the protective layer includes a reinforcement layer, a high temperature resistant layer, a low temperature resistant layer and a corrosion resistant layer arranged from the inside out; Through the above technical solution, the multi-layer composite protective layer design on the outside of the conductor sheath achieves the unity of all-round performance optimization and cost-effectiveness. The protective layer adopts a layered structure, and each layer of material is targeted to respond to different environmental challenges. The reinforcement layer resists mechanical stretching and impact damage, the high-temperature resistant layer withstands extreme thermal environments such as industrial high-temperature furnaces, the low-temperature resistant layer ensures flexibility and stability in polar scientific expeditions or liquid nitrogen scenarios, and the corrosion-resistant layer isolates the sensor from chemical erosion such as acids, alkalis, and solvents, significantly improving the reliability and life of the sensor in complex and harsh environments.

[0013] Furthermore, the reinforcement layer is made of aramid fiber, and the reinforcement layer is coated on the outer circumference of the conductor sheath; Through the above technical solution, the reinforcement layer is made of aramid fiber. Aramid fiber has ultra-high tensile strength, which is more than 5 times that of steel. It is like a layer of solid "armor" for the sensor, which can effectively resist external tensile force. Even if the sensor is frequently bent or subjected to large tensile force, it can effectively prevent breakage, greatly improving the reliability of the sensor. Moreover, aramid fiber has a low density. While significantly increasing the strength of the sensor, it will not significantly increase the weight of the sensor, thus meeting the lightweight requirements well.

[0014] Furthermore, the high temperature resistant layer is made of polyimide; Through the above technical solution, polyimide material is selected. This design lays a solid foundation for the stable operation of the sensor in high-temperature environments. Polyimide exhibits excellent high-temperature tolerance and can remain stable in high-temperature environments above 260°C for a long time. In the short term, it can even withstand extreme high temperatures of over 300°C, which is very suitable for the needs of high-temperature industrial monitoring scenarios. Under high temperature, it has excellent dimensional stability and will not easily deform or melt, which effectively ensures the structural integrity of the sensor. At the same time, polyimide always maintains excellent insulation properties, which can effectively prevent the risk of leakage or short circuit, providing reliable and safe protection for temperature measurement in high-temperature environments, allowing the sensor to play an excellent role in the high-temperature industrial field.

[0015] Furthermore, the low temperature resistant layer is made of polytetrafluoroethylene; Through the above technical solution, the low-temperature resistant layer is made of polytetrafluoroethylene. This choice provides a solid guarantee for the stable operation of the sensor in extremely low-temperature environments. Polytetrafluoroethylene has amazing low-temperature tolerance and can easily withstand temperatures as low as -200°C. Even under such harsh conditions, it can still maintain excellent flexibility, ensuring that the sensor can bend and move normally, and is perfectly suitable for extreme low-temperature scenarios such as polar scientific research and liquid nitrogen storage. Its surface is smooth and the friction coefficient is extremely low, which can effectively reduce friction with external objects at low temperatures and avoid mechanical damage caused by friction. In addition, it is also resistant to acid and alkali, and solvent corrosion, and has excellent anti-aging performance, which greatly reduces the erosion of the low-temperature environment on the sensor and significantly extends the service life of the sensor in a low-temperature environment.

[0016] Furthermore, the corrosion-resistant layer is made of polyvinylidene fluoride; Through the above technical solution, the corrosion-resistant layer is made of polyvinylidene fluoride. This design gives the sensor excellent chemical corrosion resistance. Polyvinylidene fluoride has excellent chemical stability and can effectively resist the erosion of various acids, alkalis, salts and other chemical substances. Whether it is a highly acidic industrial wastewater environment or a salt-rich marine environment, it cannot cause substantial damage to it. The internal components of the sensor provide a reliable protective barrier to ensure that the internal components of the sensor will not be damaged by chemical erosion in a highly corrosive environment, thereby ensuring that the sensor can continue to work normally and stably, greatly broadening the application range of sensors in many fields such as chemical industry and ocean.

[0017] 3. Beneficial effects The present invention provides a flexible and bendable temperature sensor. It has the following beneficial effects: 1. The present invention provides a flexible and bendable temperature sensor. By disposing a soft metal wire made of nickel-titanium alloy inside the outer sheath of the conductor, the temperature sensor can be flexibly bent and its shape can be fixed. It can be freely bent according to the shape of the measured object and the measurement environment, which is convenient for installation and use, thereby improving the flexibility and practicality of the temperature sensor.

[0018] 2. The present invention provides a flexible and bendable temperature sensor. By providing an injection-molded shell made of TPE material and using the injection-molded shell to encapsulate the chip at the head of the temperature sensor, the welding points between the chip pins and the wires, the head of the wires, and the head of the wire sheath through injection molding, the chip can be effectively protected from damage by the external environment, the sealing and waterproof performance of the temperature sensor can be improved, the temperature sensor can work normally in various complex environments, the application range of the temperature sensor can be broadened, the measurement accuracy and stability can be guaranteed, and the environmental adaptability of the temperature sensor can be improved.

[0019] 3. The present invention provides a flexible and bendable temperature sensor. By designing a multi-layer composite protective layer, the stability of the sensor in extreme environments is significantly improved. The protective layer is sequentially provided with a reinforcement layer, a high-temperature resistant layer, a low-temperature resistant layer and a corrosion-resistant layer from the inside out. The reinforcement layer uses aramid fiber to enhance the tensile strength and prevent bending and breakage. The high-temperature resistant layer is made of polyimide material and can withstand temperatures above 260°C. The low-temperature resistant layer is made of polytetrafluoroethylene to ensure flexibility at low temperatures of -200°C. The corrosion-resistant layer is based on polyvinylidene fluoride to resist erosion by acids, alkalis and chemicals. This structure effectively isolates hot, cold and corrosive media, thereby extending the service life of the sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the overall three-dimensional structure diagram of the present invention; Figure 2 It is a structural diagram of the measuring device of the present invention; Figure 3 This is a vertical assembly structure diagram of the present invention; Figure 4 This is a structural diagram of the touch display screen of the present invention; Figure 5 This is a chip structure diagram of the present invention; Figure 6 This is a structural diagram of the injection-molded housing of the present invention; Figure 7 It is a partial cross-sectional front structural diagram of the present invention; Figure 8 For the present invention Figure 7 A magnified structural diagram of point A; Figure 9 Schematic diagram of the protective layer of the present invention.

[0021] Among them: 1. Soft metal wire; 2. Wire outer sheath; 3. Wire; 4. Chip; 5. Injection molded shell; 6. Measuring device; 7. Touch screen; 8. Protective layer; 801. Reinforcement layer; 802. High temperature resistant layer; 803. Low temperature resistant layer; 804. Corrosion resistant layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, rather than all the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Specific implementation 1: like Figure 1-9 As shown, a specific embodiment of the present invention provides a flexible bendable temperature sensor, including a soft metal wire 1, a wire sheath 2 covered on the outside of the soft metal wire 1, the soft metal wire 1 is made of nickel-titanium alloy, and two wires 3 are arranged inside the wire sheath 2, and the two wires 3 are symmetrically arranged on both sides of the soft metal wire 1.

[0024] A chip 4 is provided at the heads of the two wires 3, and the pins of the chip 4 are fixedly connected to the heads of the two wires 3 by welding. The heads of the two wires 3 are provided with an injection-molded shell 5. The chip 4, the welding points between the pins of the chip 4 and the wires 3, the heads of the wires 3 and the heads of the wire sheath 2 are encapsulated in the interior of the injection-molded shell 5 by injection molding. The injection-molded shell 5 is made of TPE material.

[0025] Nickel-titanium alloy soft metal wire1 offers numerous advantages for flexible, bendable temperature sensors. Its unique shape memory effect and superelasticity give the wire exceptional flexibility and bendability. It returns to its original shape after repeated bending, adapting to complex bending and dynamic scenarios, ensuring accurate and stable measurements. Its excellent fatigue resistance allows it to withstand extensive cyclic stress without damage, extending sensor life and reducing maintenance costs. Its excellent conductivity and stability minimize resistance changes, ensuring accurate and reliable measurements. Furthermore, nickel-titanium alloy's strong corrosion resistance ensures stability in harsh environments such as chemical and marine environments, ensuring the long-term operation of the sensor.

[0026] The TPE material injection molded shell 5 brings significant advantages to the flexible bendable temperature sensor. It has excellent flexibility and elasticity, can be flexibly deformed with the sensor bending, does not hinder the bending performance, can also buffer and absorb energy when external force squeezes and collides, and protects internal components. It has excellent weather resistance and can withstand ultraviolet rays, ozone, temperature changes, etc. It has stable performance in various climates and extends the life of the sensor. It has good sealing performance and forms a sealing structure after injection molding to block moisture and dust, thereby improving the reliability of the sensor. It is environmentally friendly and recyclable, harmless in production and use, and can be recycled and reused after being scrapped, which is in line with sustainable development. It has good processing performance and is easy to be processed into different shapes. It has low energy consumption and high efficiency, which helps to reduce the manufacturing cost of the sensor.

[0027] like Figure 6-9 As shown, the conductor sheath 2 is made of thermoplastic polyurethane. The conductor sheath 2 is made of thermoplastic polyurethane, which gives the sensor excellent flexibility and bending resistance. It can withstand high-frequency dynamic bending without breaking, and is suitable for dynamic bending scenarios. Its wear resistance and tear resistance significantly extend the service life of the sensor in mechanical friction or sharp object scratching environments. The insulation performance of thermoplastic polyurethane effectively isolates the conductor 3 from the external environment, prevents leakage or short circuit risks, and ensures safe use. In addition, thermoplastic polyurethane can still maintain flexibility in low temperature environments, avoid brittle cracking, and is suitable for extreme low temperature scenarios such as cold chain logistics and polar exploration. Its processing convenience makes it easier to integrate with the soft metal wire 1 and the conductor 3 for production, reducing manufacturing costs.

[0028] like Figure 6-9 As shown, the wire 3 is made of silver alloy wire. The use of silver alloy wire material for wire 3 further improves the performance of the sensor. The high conductivity of silver alloy significantly reduces the resistance loss during signal transmission, and improves the acquisition accuracy and response speed of temperature data. Its antioxidant and corrosion resistance are achieved through a dense surface oxide film, which avoids the performance degradation of the wire due to long-term use and extends the life of the sensor. The silver alloy wire has both flexibility and mechanical strength, and can adapt to repeated bending without breaking easily, ensuring the stability of signal transmission. At the same time, the silver alloy wire has a thinner diameter, which provides the possibility for the miniaturization design of the sensor, and is suitable for space-constrained scenarios such as miniature medical probes and smart textiles. By adding trace alloy elements, the silver alloy reduces the cost while retaining high conductivity, achieving a balance between performance and economy.

[0029] like Figure 3-8As shown, chip 4 is a high-precision digital temperature sensor chip. Chip 4 uses a high-precision digital temperature sensor chip, which brings high-precision measurement and fast response capabilities to the sensor. The digital chip can achieve ±0.1°C accuracy, meeting the needs of temperature-sensitive scenarios such as medical and industrial, reducing measurement errors, and its millisecond-level temperature update speed can capture temperature changes in real time, which is suitable for dynamic monitoring scenarios such as equipment overheating warning. The anti-electromagnetic interference EMI performance of digital signal transmission is better than that of analog signals, ensuring the reliability of data in complex electromagnetic environments.

[0030] like Figure 1-4 As shown, the tail of the wire 3 is connected to a measuring device 6, and a touch display screen 7 is provided on the outer surface of the measuring device 6. The touch display screen 7 provided on the outer surface of the measuring device 6 enables the user to view the temperature data intuitively and conveniently. The user does not need to use other auxiliary equipment, and can obtain temperature information in real time through the touch display screen 7. Simple operations such as setting parameters and viewing historical data can also be performed, which greatly improves the user experience and facilitates the rapid acquisition and use of temperature data in various scenarios.

[0031] like Figure 6-9 As shown, the outside of the conductor sheath 2 is covered with a protective layer 8, which includes a reinforcement layer 801, a high-temperature resistant layer 802, a low-temperature resistant layer 803 and a corrosion-resistant layer 804 arranged from the inside out. The multi-layer composite protective layer 8 design on the outside of the conductor sheath 2 achieves the unity of all-round performance optimization and cost-effectiveness. The protective layer 8 adopts a layered structure, and each layer of material is targeted to respond to different environmental challenges. The reinforcement layer 801 resists mechanical stretching and impact damage, the high-temperature resistant layer 802 withstands extreme thermal environments such as industrial high-temperature furnaces, the low-temperature resistant layer 803 ensures flexibility and stability in polar scientific expeditions or liquid nitrogen scenarios, and the corrosion-resistant layer 804 isolates chemical erosion such as acids, alkalis, and solvents, significantly improving the reliability and life of the sensor in complex and harsh environments.

[0032] like Figure 6-9 As shown, the reinforcement layer 801 is made of aramid fiber. The reinforcement layer 801 is coated on the outer circumference of the conductor sheath 2. The reinforcement layer 801 is made of aramid fiber. Aramid fiber has ultra-high tensile strength, which is more than 5 times that of steel. It is like a layer of solid "armor" for the sensor, which can effectively resist external tensile force. Even if the sensor is frequently bent or subjected to large tensile force, it can effectively prevent breakage, greatly improving the reliability of the sensor. Moreover, aramid fiber has a low density. While significantly increasing the strength of the sensor, it will not significantly increase the weight of the sensor, thus meeting the lightweight requirement well.

[0033] like Figure 6-9As shown, the high-temperature resistant layer 802 is made of polyimide. The selection of polyimide material lays a solid foundation for the stable operation of the sensor in high-temperature environments. Polyimide exhibits excellent high-temperature tolerance and can remain stable in high-temperature environments above 260°C for a long time. It can even withstand extreme high temperatures of above 300°C in the short term, which is very suitable for the needs of high-temperature industrial monitoring scenarios. Under high temperature, it has excellent dimensional stability and will not easily deform or melt, which effectively ensures the structural integrity of the sensor. At the same time, polyimide always maintains excellent insulation properties, which can effectively prevent the risk of leakage or short circuit, providing reliable and safe protection for temperature measurement in high-temperature environments, allowing the sensor to play an excellent role in the high-temperature industrial field.

[0034] like Figure 6-9 As shown, the low-temperature resistant layer 803 is made of polytetrafluoroethylene. This choice provides a solid guarantee for the stable operation of the sensor in extremely low-temperature environments. Polytetrafluoroethylene has amazing low-temperature tolerance and can easily withstand temperatures as low as -200°C. Even under such harsh conditions, it can still maintain excellent flexibility, ensuring that the sensor can bend and move normally, making it perfectly suitable for extreme low-temperature scenarios such as polar scientific research and liquid nitrogen storage. Its smooth surface and extremely low friction coefficient can effectively reduce friction with external objects at low temperatures and avoid mechanical damage caused by friction. In addition, it is also resistant to acid, alkali and solvent corrosion, and has excellent anti-aging performance, which greatly reduces the erosion of the low-temperature environment on the sensor and significantly extends the service life of the sensor in low-temperature environments.

[0035] like Figure 6-9 As shown, the corrosion-resistant layer 804 is made of polyvinylidene fluoride. The corrosion-resistant layer 804 is made of polyvinylidene fluoride. This design gives the sensor excellent chemical corrosion resistance. Polyvinylidene fluoride has excellent chemical stability and can effectively resist the erosion of various acids, alkalis, salts and other chemical substances. Whether it is a highly acidic industrial wastewater environment or a salt-rich marine environment, it cannot cause substantial damage to it. The internal components of the sensor provide a reliable protective barrier to ensure that the internal components of the sensor will not be damaged by chemical erosion in a highly corrosive environment, thereby ensuring that the sensor can continue to work normally and stably, greatly broadening the application range of sensors in many fields such as chemical industry and ocean.

[0036] Working principle: The chip 4 is encapsulated inside the injection-molded shell 5 and connected to the measuring device 6 through the wire 3. When the sensor contacts the measured object, the chip 4 senses the temperature change of the measured object and converts the temperature signal into an electrical signal. The electrical signal is transmitted to the measuring device 6 through the wire 3. After amplification, filtering, analog-to-digital conversion and other processing, it is finally displayed in digital form through the touch screen 7. Since the sensor uses a soft metal wire wire 1, the soft metal wire 1 serves as the core supporting structure. The characteristics of nickel-titanium alloy ensure that the sensor can be bent freely and has stable performance. The user can bend the sensor freely according to the shape and measurement position of the measured object so that it can fit closely to the measurement surface, thereby improving the accuracy of temperature measurement and improving temperature measurement. In order to improve the flexibility and practicality of the temperature sensor, an injection-molded shell 5 made of TPE material is used to encapsulate the chip 4 at the head of the temperature sensor, the welding points between the pins of the chip 4 and the wire 3, the head of the wire 3 and the head of the wire sheath 2 by injection molding, which can effectively protect the chip 4 from damage by the external environment, improve the sealing and waterproof performance of the temperature sensor, enable the temperature sensor to work normally in various complex environments, ensure measurement accuracy and stability, and improve the environmental adaptability of the temperature sensor. The various layers of the protective layer 8 work together, the strengthening layer 801 resists mechanical damage, the high-temperature resistant layer 802 and the low-temperature resistant layer 803 respectively cope with high and low-temperature environments, and the corrosion-resistant layer 804 isolates chemical erosion, ensuring that the sensor can work stably in a complex environment.

[0037] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these specific embodiments without departing from the principles and spirit of the invention, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A flexible bendable temperature sensor, comprising a soft metal wire (1), characterized in that: The soft metal wire (1) is covered with a conductor sheath (2), the soft metal wire (1) is made of nickel-titanium alloy, two conductors (3) are arranged inside the conductor sheath (2), and the two conductors (3) are symmetrically arranged on both sides of the soft metal wire (1); The heads of the two wires (3) are provided with a chip (4), the pins of the chip (4) are fixedly connected to the heads of the two wires (3) by welding, the heads of the two wires (3) are provided with an injection molded shell (5), the chip (4), the welding points between the pins of the chip (4) and the wires (3), the heads of the wires (3) and the heads of the wire sheath (2) are encapsulated in the injection molded shell (5) by injection molding, and the injection molded shell (5) is made of TPE material.

2. The flexible bendable temperature sensor according to claim 1, characterized in that: The outer sheath (2) of the conductor is made of thermoplastic polyurethane.

3. The flexible bendable temperature sensor according to claim 1, characterized in that: The wire (3) is made of silver alloy wire.

4. The flexible bendable temperature sensor according to claim 1, characterized in that: The chip (4) is a high-precision digital temperature sensor chip.

5. The flexible bendable temperature sensor according to claim 1, characterized in that: The tail of the wire (3) is connected to a measuring device (6), and the outer surface of the measuring device (6) is provided with a touch display screen (7).

6. The flexible bendable temperature sensor according to claim 1, characterized in that: The outer portion of the conductor sheath (2) is covered with a protective layer (8), and the protective layer (8) comprises a reinforcement layer (801), a high temperature resistant layer (802), a low temperature resistant layer (803), and a corrosion resistant layer (804) arranged from the inside out.

7. The flexible bendable temperature sensor according to claim 6, characterized in that: The reinforcement layer (801) is made of aramid fiber material, and the reinforcement layer (801) is coated on the outer circumferential surface of the conductor sheath (2).

8. The flexible bendable temperature sensor according to claim 6, characterized in that: The high temperature resistant layer (802) is made of polyimide.

9. The flexible bendable temperature sensor according to claim 6, characterized in that: The low-temperature resistant layer (803) is made of polytetrafluoroethylene.

10. The flexible bendable temperature sensor according to claim 6, characterized in that: The corrosion-resistant layer (804) is made of polyvinylidene fluoride.

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