Temperature detection device

Abstract

A temperature detecting device, a detecting assembly of which has a first magnetic body and a second magnetic body with opposite magnetic pole directions. The detecting assembly is rotationally connected to a device main body, and the first magnetic body and the second magnetic body are arranged around the rotation axis of the detecting assembly. During the movement of the first magnetic body and the second magnetic body, a magnetic field direction detecting unit of the device main body sends a first signal and a second signal based on the detection results of the magnetic field signals of the first magnetic body and the second magnetic body, and controls the temperature detecting device to start and stop. When the magnetic field direction detecting unit sends the first signal and the second signal, it adds detection of the magnetic field directions of the first magnetic body and the second magnetic body, reducing the false triggering situation. The first magnetic body and the second magnetic body are arranged around the rotation axis, which expands the area and overall volume of the magnetic body in the radial plane, making the overall outward magnetic attraction of the device stronger, and enabling the device to be magnetically attached to other objects.

Description

Technical Field

[0001] This invention relates to a temperature detection device, specifically to the switching structure of the temperature detection device. Background Technology

[0002] With the advancement of technology and people's increasing demands for the taste and nutrition of food, people expect to control temperature elements in the cooking process more precisely, such as the temperature of food and the temperature of the water used to heat the food in some embodiments. Therefore, a temperature detection device applied to food cooking has emerged.

[0003] In these temperature sensing devices, to facilitate switching the device on and off, some designs typically place a small magnet on one side of the rotating base, and a Hall sensor near the magnet's trajectory to detect the magnet's magnetic field strength. Rotating the base moves the magnet, changing the magnetic field strength, which triggers the Hall sensor, which then sends power-on and power-off signals to the control circuit board. However, this structure still has drawbacks and can be further optimized. Summary of the Invention

[0004] This invention provides a temperature detection device, demonstrating a novel structure for controlling the on / off operation of the temperature detection device via a magnetic material.

[0005] To achieve the above objectives, one embodiment of this application provides a temperature detection device, comprising:

[0006] A detection component, the detection component having a temperature detection unit for temperature detection and a magnetic body, the magnetic body being at least divided into a first magnetic body and a second magnetic body, the magnetic poles of the first magnetic body and the second magnetic body having opposite directions;

[0007] The device body includes a control unit and a magnetic field direction detection unit. The magnetic field direction detection unit is signal-connected to the control unit, and the temperature detection unit is signal-connected to the control unit.

[0008] The detection component is rotatably connected to the main body of the device, and the first magnetic body and the second magnetic body are arranged around the rotation axis of the detection component;

[0009] The magnetic field direction detection unit is located on one side of the movement trajectory of the magnetic body to detect the magnetic field signals of the first magnetic body and the second magnetic body. The magnetic field signal includes at least the magnetic field direction. During the movement of the first magnetic body and the second magnetic body, the magnetic field direction detection unit emits a first signal and a second signal based on the detection results of the magnetic field signals of the first magnetic body and the second magnetic body.

[0010] The control unit controls the temperature detection device to turn on based on one of the first signal and the second signal, and controls the temperature detection device to turn off based on the other signal.

[0011] To achieve the above objectives, one embodiment of this application provides a temperature detection device, characterized in that it includes:

[0012] The detection component has a temperature detection unit for temperature detection, a first detection area and a second detection area, wherein at least one of the first detection area and the second detection area is provided with a magnetic body, such that the magnetic field directions of the first detection area and the second detection area are different or the magnetic field existence states are different.

[0013] The device body includes a control unit and a magnetic field direction detection unit. The magnetic field direction detection unit is signal-connected to the control unit, and the temperature detection unit is signal-connected to the control unit.

[0014] The detection component is movably connected to the main body of the device; the magnetic field direction detection unit is disposed on one side of the movement trajectory of the first detection area and the second detection area, for detecting the magnetic field signal of the first detection area and / or the second detection area, the magnetic field signal including at least the magnetic field direction;

[0015] During the movement of the first detection area and the second detection area, the magnetic field direction detection unit sends a first signal and a second signal based on the detection results of the first detection area and the second detection area. The control unit controls the temperature detection device to turn on according to one of the first signal and the second signal, and controls the temperature detection device to turn off according to the other signal.

[0016] To achieve the above objectives, one embodiment of this application provides a temperature detection device, comprising:

[0017] A detection assembly having a temperature detection unit for temperature detection;

[0018] The device body includes a control unit and a magnetic field strength detection unit. The magnetic field strength detection unit is signal-connected to the control unit, and the temperature detection unit is signal-connected to the control unit.

[0019] The detection component is rotatably connected to the main body of the device. The detection component has a first detection area and a second detection area distributed around the rotation axis of the detection component. One of the first detection area and the second detection area is provided with the third magnetic body, so that the magnetic induction intensity or magnetic field existence state of the first detection area and the second detection area are different. The magnetic induction intensity detection unit is located on one side of the movement trajectory of the third magnetic body, and is used to detect the magnetic field signal of the first detection area and the second detection area in the second detection area.

[0020] When the magnetic field strength detection unit detects that the magnetic field strength of the third magnetic body meets the first set range, it sends out a first signal;

[0021] When the magnetic field strength detection unit detects that the magnetic field strength of the third magnetic body meets the second set range, it sends out a second signal, wherein the second set range is smaller than the first set range;

[0022] The control unit controls the temperature detection device to turn on based on one of the first signal and the second signal, and controls the temperature detection device to turn off based on the other signal.

[0023] According to the temperature detection device of the above-described embodiments, its detection component has a magnetic body, which is at least divided into a first magnetic body and a second magnetic body with opposite magnetic pole directions. The detection component is rotatably connected to the main body of the device, and the first magnetic body and the second magnetic body are arranged around the rotation axis of the detection component. During the movement of the first magnetic body and the second magnetic body, the magnetic field direction detection unit of the main body of the device emits a first signal and a second signal based on the detection results of the magnetic field signals of the first magnetic body and the second magnetic body. The control unit controls the temperature detection device to turn on and off according to the first signal and the second signal. The magnetic field direction detection unit, when emitting the first signal and the second signal, also detects the magnetic field direction of the first magnetic body and the second magnetic body, reducing the possibility of false triggering and making the device's on / off operation more reliable. Moreover, the device has at least a first magnetic body and a second magnetic body simultaneously, which are arranged around the rotation axis, increasing the area and overall volume of the magnetic bodies in the radial plane, resulting in a greater outward magnetic attraction force of the device. This allows the device to be magnetically attracted to other objects, making the temperature detection device easier to store and retrieve.

[0024] According to the temperature detection device of the above embodiments, it includes a detection component having a first detection area and a second detection area. At least one of the first and second detection areas is provided with a magnetic body. The magnetic field directions of the first and second detection areas are different or the magnetic field existence states are different. The detection component is movably connected (not limited to a rotatable connection) to the main body of the device. A magnetic field direction detection unit is disposed on one side of the movement trajectory of the first and second detection areas, and emits a first signal and a second signal based on the detection results of the first and second detection areas. The control unit controls the temperature detection device to turn on and off according to the first and second signals. Wherein, when emitting the first and second signals, the magnetic field direction detection unit also detects the magnetic field direction of the first and second magnetic bodies, reducing false triggering and making the device's power-on and power-off more reliable.

[0025] According to the temperature detection device of the above-described embodiments, its detection component has a magnetic body. The detection component is rotatably connected to the main body of the device. The magnetic body has a first detection area and a second detection area, where the second detection area has no magnetic field or its magnetic induction intensity is less than that of the first detection area. When the magnetic induction intensity detection unit detects that the magnetic induction intensity of the magnetic body meets a first preset range, it issues a first signal; when the magnetic induction intensity detection unit detects that the magnetic induction intensity of the magnetic body meets a second preset range, it issues a second signal. The control unit controls the power-on and power-off based on the first and second signals. In this embodiment, the first and second detection areas are distributed around the rotation axis. Therefore, when the magnetic body rotates, the range that the first and second detection areas can be detected by the magnetic induction intensity detection unit is longer, the detection area is larger, and it is easier for the magnetic induction intensity detection unit to detect them, increasing the reliability of power-on and power-off. Moreover, the magnetic body is arranged around the rotation axis, which increases the area of ​​the magnetic body in the radial plane and the overall volume, making the overall outward magnetic attraction of the device greater. This allows the device to be magnetically attracted to other objects, making the temperature detection device easier to store and retrieve. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the temperature detection device in one embodiment of this application when the detection component is in the closed position;

[0027] Figure 2 This is a schematic diagram of the temperature detection device in one embodiment of this application when the detection component is in the fully open position;

[0028] Figure 3 This is an exploded view of the detection component and the main body of the device in one embodiment of this application;

[0029] Figure 4 This is an exploded view of a temperature detection device in one embodiment of this application;

[0030] Figure 5 This is a schematic diagram of the magnetic body in the closed position in one embodiment of this application;

[0031] Figure 6 This is a schematic diagram of the magnetic body being in the power-on position in one embodiment of this application;

[0032] Figure 7 This is a schematic diagram of the magnetic body in the fully open position in one embodiment of this application;

[0033] Figure 8 This is a schematic diagram of the magnetic body in the power-off position in one embodiment of this application;

[0034] Figure 9 and 10 This is a schematic diagram of the magnetic body in the closed position in one embodiment of this application;

[0035] Figure 11 and 12 for Figure 9 and Figure 10 A schematic diagram of the magnetic body in the fully open position in the illustrated embodiment;

[0036] Figure 13 and 14 This is a schematic diagram of the magnetic body in the closed position in one embodiment of this application;

[0037] Figure 15 and 16 for Figure 13 and Figure 14 A schematic diagram of the magnetic body in the fully open position in the illustrated embodiment;

[0038] Figure 17 This is a schematic diagram of the magnetic body in the closed position in another embodiment of this application;

[0039] Figure 18 This is a schematic diagram of the magnetic body being in the power-on position in another embodiment of this application;

[0040] Figure 19 This is a schematic diagram of the magnetic body in the fully open position in another embodiment of this application;

[0041] Figure 20 This is a schematic diagram of the magnetic body in the power-off position in another embodiment of this application;

[0042] Figure 21 and 22 This is a schematic diagram of the magnetic body in the closed position in another embodiment of this application;

[0043] Figure 23 and 24 for Figure 21 and Figure 22A schematic diagram of the magnetic body in the fully open position in the illustrated embodiment;

[0044] Figure 25 This is a longitudinal cross-sectional view of the temperature detection device when the detection component is in the closed position in one embodiment of this application. Detailed Implementation

[0045] To detect the temperature of food or food processing media (such as water) during cooking, this application provides a temperature detection device. For ease of use, the temperature detection device 1 can be a handheld device, such as… Figure 1 and 2 As shown. Of course, in other embodiments, the temperature detection device 1 may also be a benchtop structure or other types of structures.

[0046] Please refer to Figure 1-4 In some embodiments, the temperature detection device 1 includes a detection component 100 and a device body 200.

[0047] The detection component 100 is movably connected to the device body 200, and the user can change the position of the detection component 100 and the device body 200 to adapt to different application scenarios. In some embodiments, in Figure 1 and 2 In the illustrated embodiment, the detection component 100 is rotatably connected to the device body 200. The user can rotate the detection component 100 to change its position relative to the device body 200, allowing the user to position the detection component 100 at any angle within its maximum opening angle range to accommodate different usage needs. Of course, in other embodiments, the detection component 100 can also be connected to the device body 200 through other movable methods. In some embodiments, the detection component 100 can also translate relative to the device body 200. This translation refers to movement within a plane, and its trajectory can be a straight line, curve, broken line, or irregular route. This plane can be a horizontal plane, a vertical plane, or other non-horizontal or non-vertical plane. Furthermore, the movement of the detection component 100 relative to the device body 200 can also take other forms besides rotation and translation.

[0048] The detection assembly 100 has a probe 121 and a temperature detection unit 123 for temperature detection. The temperature detection unit 123 may be, but is not limited to, a thermocouple, or other devices that can be used for temperature detection. The temperature detection unit 123 is disposed within the probe 121 or exposed on the probe 121.

[0049] Please refer to Figure 4The main body 200 of the device typically includes a control unit 210, which can be a circuit board with control circuitry, or other structures or circuits capable of control, or a combination of both. The temperature detection unit 123 is signal-connected to the control unit 210. The signal detected by the temperature detection unit 123 is transmitted to the control unit 210, which processes the signal to obtain the temperature detection result, thereby achieving temperature detection.

[0050] For ease of use, in some embodiments, the control unit 210 is triggered to turn on or off by moving the detection component 100 and simultaneously changing the position of the magnetic body. The magnetic field signal of the magnetic body used for power-on / off triggering may be affected by other magnetic materials or other magnetic bodies.

[0051] To improve the accuracy and reliability of power on / off, please refer to... Figure 5-16 In some embodiments of this application, the detection component 100 further includes a first detection area 101 and a second detection area 102. The first detection area 101, the second detection area 102, and the temperature detection unit 123 all move together with the detection component 100. At least one of the first detection area 101 and the second detection area 102 is provided with a magnetic body, causing the first detection area 101 and the second detection area 102 to form different magnetic field signals. The magnetic field signal includes at least the magnetic field presence state and the magnetic field direction. Furthermore, the magnetic field signal may also include magnetic induction intensity and other parameters related to the magnetic field. In some embodiments, the magnetic field directions of the first detection area 101 and the second detection area 102 are different, or the magnetic field presence states are different. The magnetic field presence state refers to the presence or absence of a magnetic field. Different magnetic field presence states of the first detection area 101 and the second detection area 102 mean that one of the first detection area 101 and the second detection area 102 has a magnetic field, while the other does not. To detect the magnetic field signals in the first detection area 101 and the second detection area 102, especially the direction of the magnetic field signals, the main body 200 of the device has a magnetic field direction detection unit 202. The magnetic field direction detection unit 202 is signal-connected to the control unit 210 to transmit the detected signals to the control unit 210. The first detection area 101 and the second detection area 102 refer to two different regions on the detection component 100. During movement, these two regions can be detected by the magnetic field direction detection unit 202, and generate different trigger signals for the magnetic field direction detection unit 202, triggering the magnetic field direction detection unit 202 to emit different signals. The specific range of the regions can be flexibly defined according to specific needs.

[0052] The magnetic field direction detection unit 202 is disposed on one side of the movement trajectory of the first detection area 101 and the second detection area 102, for detecting the magnetic field signals of the first detection area 101 and / or the second detection area 102. The magnetic body 110 may be a magnet or other structure capable of generating magnetism. In some embodiments, the magnetic body 110 may be a permanent magnet (such as a permanent magnet), or it may be an electromagnet (such as an energized coil) or other structure capable of generating magnetism under energized or other specific conditions.

[0053] When the first detection area 101 and the second detection area 102 move into the detection range of the magnetic field direction detection unit 202, they will feed back different magnetic field signals to the magnetic field direction detection unit 202. In some embodiments, the magnetic field exists in different states, the magnetic field direction is different and / or the magnetic induction intensity is different. The magnetic field direction detection unit 202 can identify these different magnetic field signals and issue a first signal and a second signal based on the detection results of the first detection area 101 and the second detection area 102.

[0054] In some embodiments, when the magnetic field direction detection unit 202 detects the magnetic field signal of the first detection area 101 and the magnetic induction intensity of the first detection area 101 meets the first set range, a first signal is emitted; when the magnetic field direction detection unit 202 detects the magnetic field signal of the second detection area 102 and the magnetic induction intensity of the second detection area 102 meets the second set range, a second signal is emitted.

[0055] The first signal and the second signal are signals that can represent different meanings. In some embodiments, one of the first signal and the other is at a low level, and the other is at a high level. The control unit 210 controls the temperature detection device 1 to turn on based on one of the first signal and the second signal, and controls the temperature detection device 1 to turn off based on the other signal. In some embodiments, the first signal is used to trigger the control unit 210 to control the temperature detection device 1 to turn on, and the second signal is used to trigger the control unit 210 to control the temperature detection device 1 to turn off. In other embodiments, the first signal is used to trigger the control unit 210 to control the temperature detection device 1 to turn off, and the second signal is used to trigger the control unit 210 to control the temperature detection device 1 to turn on. The specific control method can be flexibly defined according to the specific structure and requirements of the temperature detection device 1.

[0056] As the detection component 100 moves, when the magnetic body 110 triggers the magnetic field direction detection unit 202 to send a first or second signal to control power-on, the detection component 100 is in the power-on position; correspondingly, when the magnetic body 110 triggers the magnetic field direction detection unit 202 to send a second or first signal to control power-off, the detection component 100 is in the power-off position. Of course, when the detection component 100 is in the power-on position, each component within the detection component 100 (such as the magnetic body 110, probe 121, etc.) is also defined as being in the power-on position. Similarly, when the detection component 100 is in the power-off position, each component within the detection component 100 (such as the magnetic body 110, probe 121, etc.) is also defined as being in the power-off position. The components within the detection component 100 can move synchronously or asynchronously. For example, when both the magnetic body 110 and probe 121 are in the power-off position, the angle or distance by which the magnetic body 110 and probe 121 move can be the same or different. Similarly, when both the magnetic body 110 and the probe 121 are in the power-on position or other identical positions (such as the closed position and fully open position mentioned later), the angles or distances at which the magnetic body 110 and the probe 121 move can be the same or different. When the angles or distances at which the magnetic body 110 and the probe 121 move are different, they can change in corresponding multiples or they can change irregularly.

[0057] This method of combining the device's power-on / off operation with the movement position of the detection component 100 simplifies the user's operation, eliminating the need for a separate power-on / off operation. The user can complete the power-on / off operation simultaneously with turning on the detection component 100, greatly improving the convenience of use. Furthermore, the magnetic field direction detection unit 202 can at least detect the magnetic field direction of the magnetic body 110. In some embodiments, the magnetic field direction detection unit 202 can be, but is not limited to, a tunnel magnetoresistive sensor (TMR). When emitting the first and second signals, the magnetic field direction detection unit 202 incorporates the detection of the magnetic field direction of the first detection area 101 and the second detection area 102, reducing false triggering and making the device's power-on / off operation more reliable. In some embodiments, even if other magnetic materials or magnetic bodies 110 at other locations are detected by the magnetic field direction detection unit 202, the magnetic field direction detection unit 202 can obtain a more accurate power-on / off signal through the detection of the magnetic field direction.

[0058] Please refer to Figure 5-16In some embodiments, the magnetic body 110 is at least divided into a first magnetic body 111 and a second magnetic body 112. In this embodiment, the space occupied by the first magnetic body 111 can be regarded as the first detection area 101, and the space occupied by the second magnetic body 112 can be regarded as the second detection area 102. The first magnetic body 111 and the second magnetic body 112 can be different regions of the same magnetic component. In some embodiments, two regions are divided on a one-piece magnetic body 110 and magnetized in different directions to form a first magnetic body 111 and a second magnetic body 112 with different magnetic poles. Alternatively, the first magnetic body 111 and the second magnetic body 112 are two independent magnetic components, that is, the first magnetic body 111 and the second magnetic body 112 are two independently manufactured magnetic components, such as two separate magnets.

[0059] The magnetic pole directions (i.e., the directions of the N pole and the S pole) of the first magnetic body 111 and the second magnetic body 112 are different. In some embodiments, the magnetization directions of the first magnetic body 111 and the second magnetic body 112 are different, so that when the first magnetic body 111 and the second magnetic body 112 are installed in the detection assembly 100, their N pole and S pole directions are different, so that the magnetic field direction detection unit 202 can distinguish the first magnetic body 111 and the second magnetic body 112 according to the magnetic field direction.

[0060] Of course, to create a clear difference in the direction of the magnetic field, please refer to... Figure 5-16 In some embodiments, the magnetic pole directions of the first magnetic body 111 and the second magnetic body 112 can be completely opposite, that is, the magnetization directions of the first magnetic body 111 and the second magnetic body 112 are opposite, and their N pole and S pole are exactly opposite. The magnetic field direction detection unit 202 can more accurately distinguish the first magnetic body 111 and the second magnetic body 112 according to the magnetic field direction.

[0061] Please refer to Figure 5-16 Although in the illustrated embodiment, the first magnetic body 111 is located on the left and the second magnetic body 112 is located on the right, with the upward-facing end of the first magnetic body 111 being the N pole and the upward-facing end of the second magnetic body 112 being the S pole, in other embodiments, the positions and magnetization directions of the first magnetic body 111 and the second magnetic body 112 can be interchanged.

[0062] When the magnetic field directions of the first magnetic body 111 and the second magnetic body 112 are different, the magnetic field direction detection unit 202 detects the magnetic field signal of the first magnetic body 111 and the detected magnetic induction intensity of the first magnetic body 111 meets the first preset range, and the magnetic field direction detection unit 202 sends out a first signal. When the magnetic field direction detection unit 202 detects the magnetic field signal of the second magnetic body 112 and the detected magnetic induction intensity of the second magnetic body 112 meets the second preset range, the magnetic field direction detection unit 202 sends out a second signal.

[0063] The first and second setting ranges typically depend on the settings of the magnetic field direction detection unit 202 itself, and the first and second setting ranges differ between magnetic field direction detection units 202 of different principles or specifications. In one embodiment, the magnetic field direction detection unit 202 is a tunnel magnetoresistive sensor (TMR), and the reference value for the first setting range of the magnetic field direction detection unit 202 is B. OP B OP The first set range is defined as follows: The first set range is defined as follows: The first set range is defined as follows: The second ... When the detected magnetic field strength is greater than BOP or less than BRP, the change in magnetic field strength does not affect the triggering of the magnetic field direction detection unit 202 until it is triggered again. Here, "+" and "-" represent B... OP and B RP The corresponding magnetic field directions are different.

[0064] Apart from the different directions, this B OP and B RP The values ​​of B can be equal or different. OP and B RP The smaller the Gaussian value, the higher the sensitivity. Generally, when the detected magnetic field strength is greater than B... OP When the output is low, temperature detection device 1 is turned on, and the output is less than B. RP When the output is high, the temperature sensing device 1 is turned off. Of course, it is understandable that by changing the control logic, in some embodiments, the temperature sensing device 1 is turned on when the output is high and turned off when the output is low.

[0065] Compared to a scheme that controls power on / off solely by comparing the magnitude of the detected magnetic field strength, this B... OP and B RP A smaller Gaussian value can be taken, making the magnetic field direction detection unit 202 more sensitive. B OP and B RPThe smaller the Gaussian value, the smaller the motion difference between the first magnetic body 111 and the second magnetic body 112 triggering power-on and power-off. In some embodiments, in the embodiment where the detection component 100 is rotatably connected to the device body 200, when B OP +5 and B RP When the value is -5, the detection component 100 can be turned on by rotating more than 20 degrees from its initial position, providing a larger effective operating angle for the detection component 100. Moreover, with the addition of the magnetic field direction judgment, the power-on and power-off triggering will be more accurate and reliable, and the power-on and power-off can be accurately and reliably controlled even in the presence of surrounding magnetic materials and other magnetic bodies 110 that affect the magnetic field strength or magnetic induction intensity.

[0066] Please continue to refer to this. Figure 3-16 In some embodiments, the detection component 100 is rotatably connected to the device body 200, and the first magnetic body 111 and the second magnetic body 112 are arranged around the rotation axis a1 of the detection component 100. In these embodiments, the first magnetic body 111 and the second magnetic body 112 move around the rotation axis a1 as the detection component 100 rotates. The magnetic field direction detection unit 202 is disposed on one side of the rotation trajectory of the first magnetic body 111 and the second magnetic body 112 to detect the magnetic field signals of the first magnetic body 111 and the second magnetic body 112.

[0067] Of course, in other embodiments, the first magnetic body 111 and the second magnetic body 112 may also move relative to the device body 200 in other ways, such as the aforementioned translation method, and the magnetic field direction detection unit 202 is located on one side of the translation path of the first magnetic body 111 and the second magnetic body 112.

[0068] When the first magnetic body 111 and the second magnetic body 112 are used, the device has at least the first magnetic body 111 and the second magnetic body 112 at the same time, which increases the area and overall volume of the magnetic body 110, making the overall outward magnetic attraction of the device greater, which can magnetically attract the device to other objects, making the temperature detection device 1 easier to store and use.

[0069] In particular, when the first magnetic body 111 and the second magnetic body 112 are arranged around the rotation axis a1, the radial area and overall volume of the entire magnetic body 110 are increased. Although the magnetic field directions between them are different, both the first magnetic body 111 and the second magnetic body 112 can adsorb metallic materials in the direction outward along the rotation axis. Therefore, the device can be better magnetically adsorbed onto other objects, making the temperature detection device 1 easier to store and retrieve.

[0070] In addition to the first detection area 101 having a first magnetic body 111 and the second detection area 102 having a second magnetic body 112, in some other embodiments, the magnetic body 110 may only have the first magnetic body 111. The space occupied by the first magnetic body 111 can be regarded as the first detection area 101. The first magnetic body 111 has a notch, and the space occupied by the notch can be regarded as the second detection area 102, that is, the second detection area 102 has no magnetic body. In this case, the triggering of the magnetic field direction detection unit 202 by the first detection area 101 and the second detection area 102 mainly relies on the judgment of the magnetic field direction of the first magnetic body 111 and the change of magnetic induction intensity.

[0071] Specifically, when the magnetic field direction detection unit 202 detects the magnetic field signal of the first magnetic body 111 and the magnetic induction intensity of the magnetic body 110 meets the third preset range, a first signal is emitted; when the magnetic field direction detection unit 202 does not detect the magnetic field signal of the first magnetic body 111, or when the magnetic field direction detection unit 202 detects the magnetic field signal of the first magnetic body 111 and the magnetic induction intensity of the first magnetic body 111 meets the fourth preset range, a second signal is emitted. The third preset range reference value B OP The Gaussian value is greater than the reference value B in the fourth set range. RP The Gaussian value when the detected magnetic flux density is ≥ B OP When the detected magnetic field strength is ≤ B, it is considered to meet the third set range. RP When the fourth set range is met, it is considered to be satisfied. In these embodiments, although only the first magnetic body 111 acts on the magnetic field direction detection unit 202 during the process of triggering the first signal and the second signal, the reliability of power-on and power-off can still be improved due to the additional reference of the magnetic field direction. Even in the case of surrounding magnetic materials and other magnetic bodies 110 affecting the magnetic field strength or magnetic induction intensity, the power-on and power-off can be controlled accurately and reliably.

[0072] In other embodiments, the magnetic body 110 may be a second magnetic body 112. The magnetic body 110 may also only have the second magnetic body 112, the space occupied by which the second magnetic body 112 can be considered as the second detection area 102. The second magnetic body 112 has a notch, the space occupied by which the notch can be considered as the first detection area 101, i.e., the first detection area 101 has no magnetic body. In this case, the triggering of the magnetic field direction detection unit 202 by the first detection area 101 and the second detection area 102 mainly relies on the change in the magnetic field direction and magnetic induction intensity of the second magnetic body 112.

[0073] Specifically, a first signal is emitted when the magnetic field direction detection unit 202 does not detect the magnetic field signal of the second magnetic body 112, or when the magnetic field direction detection unit 202 detects the magnetic field signal of the second magnetic body 112 and the magnetic induction intensity of the second magnetic body 112 meets a third preset range; a second signal is emitted when the magnetic field direction detection unit 202 detects the magnetic field signal of the second magnetic body 112 and the magnetic induction intensity of the second magnetic body 112 meets a fourth preset range. The third and fourth preset ranges are defined as described above.

[0074] The aforementioned "no magnetic body in the first detection zone 101" and "no magnetic body in the second detection zone 102" refers to the absence of any magnetic body within the corresponding detection zone. A detection zone without a magnetic body can be a completely empty area, such as a gap, or it can contain other non-magnetic components, as long as the area does not have a structure capable of generating a magnetic field.

[0075] Furthermore, when the detection component 100 moves relative to the device body 200 (not limited to rotation, translation, or other movements), it has a closed position and a fully open position, such as... Figure 1 As shown, when the detection component 100 is in the closed position, the detection component 100 is retracted onto the device body 200; as Figure 2 As shown, when the detection component 100 is in the fully open position, it is opened to its maximum position. Similarly, when the detection component 100 is in the closed position, all components within it (including the magnetic body 110) are also defined as being in the closed position. Likewise, when the detection component 100 is in the fully open position, all components within it (including the magnetic body 110) are also defined as being in the fully open position. The power-on position is located on the trajectory of the magnetic body 110 as it moves from the closed position to the fully open position, and the power-off position is located on the trajectory of the magnetic body 110 as it retracts from the fully open position to the closed position. That is, in some embodiments, the device can only be triggered to power on when the detection component 100 (including the magnetic body 110) is opening from the closed position to the fully open position, and the device can only be triggered to power off when it is retracting from the fully open position to the closed position, thereby avoiding the possibility of accidental power-on or power-off.

[0076] For a better description of the closed, power-off, power-on, and fully open positions, please refer to [reference needed]. Figure 5-8 In one embodiment, the changes in various positions are schematically illustrated. Specifically, considering that the closed position, off position, on position, and fully open position all represent changes in the position of the detection component 100 and its internal parts along their movement trajectory, the relationship between these positions is illustrated to more clearly demonstrate their relationship. Figure 5-8Using the magnetic body 110 as a reference, auxiliary schematic lines corresponding to each position were created. Among them, c1 is the auxiliary schematic line for the closed position on the magnetic body 110, c2 is the auxiliary schematic line for the off position on the magnetic body 110, c3 is the auxiliary schematic line for the on position on the magnetic body 110, and c4 is the auxiliary schematic line for the fully open position on the magnetic body 110. These schematic lines c1, c2, c3, and c4 are all virtual reference lines taken on the magnetic body 110 to facilitate the description of the movement position of the magnetic body 110.

[0077] Please refer to the following: Figure 5 When the magnetic body 110 moves clockwise from the open state along the arrow to the closed position, where the auxiliary schematic line c1 corresponds to the magnetic field direction detection unit 202, the magnetic body 110 is in the closed position. Please refer to... Figure 6 When the magnetic body 110 moves counterclockwise from the closed position to the power-on position, as indicated by the arrow, and the auxiliary schematic line c3 aligns with the magnetic field direction detection unit 202, the magnetic body 110 is in the power-on position. Please refer to... Figure 7 When the magnetic body 110 moves counterclockwise from the power-on position as indicated by the arrow to the fully open position, where the auxiliary schematic line c4 corresponds to the magnetic field direction detection unit 202, the magnetic body 110 is in the fully open position. Please refer to... Figure 8 When the magnetic body 110 moves clockwise from the open state to the off position, as shown by the arrow, and the auxiliary schematic line c2 corresponds to the magnetic field direction detection unit 202, the magnetic body 110 is in the off position.

[0078] The angle H between the closed position and the fully open position determines the opening angle of the detection component 100 (including the magnetic body 110) relative to the device body 200. Figure 5-8 as well as Figure 17-20 In this context, angle H is 180°. Of course, angle H can also be set to >180° or <180° as needed. The angle between the power-on position and the power-off position is the power-on angle C, and the angle between the power-on position and the power-off position is the angle D. Of course, Figure 5-8 The schematic diagram shown uses the rotational movement of the detection component 100 as an example. In other embodiments, this rotational movement can be replaced by translation or other forms of movement.

[0079] In some embodiments, the power-off position and the closed position can coincide, that is, when the detection component 100 (including the magnetic body 110) is in the closed position, the device is simultaneously triggered to power off. The user only needs to move the detection component 100 (including the magnetic body 110) to the closed position, which is convenient to operate.

[0080] However, considering machining and assembly errors, as well as potential structural deformation or incomplete closure of the detection component 100 during use, errors may prevent the device from shutting down when the user moves the detection component 100 to the closed position, or the user may have difficulty accurately closing the detection component 100 to the shutdown position. For some embodiments, please refer to... Figure 5 and 8 This allows a shutdown compensation angle A to be formed between the power-off position and the closed position. That is, when the user... Figure 8 After the detection component 100 (including the magnetic body 110) is moved to the off position in the direction indicated by the arrow, it can continue to move at a certain angle until it reaches the [position not specified in the original text]. Figure 5 The angle of continued movement in the closed position shown is the shutdown compensation angle A. This shutdown compensation angle A can compensate for the shutdown operation, ensuring that the detection component 100 (including the magnetic body 110) can be successfully shut down even if the user moves the detection component 100 (including the magnetic body 110) to the closed position but does not reach the correct position.

[0081] To form the shutdown compensation angle A, the angle between the power-on position and the power-off position is angle D. The power-on angle C is greater than angle D, and the excess angle forms the shutdown compensation angle A. The specific angle of the shutdown compensation angle A can be set according to actual needs. To avoid the power-on angle C increasing due to the setting of the shutdown compensation angle A, in some embodiments, the shutdown compensation angle A is ≤20°.

[0082] In some embodiments, the power-on position and the fully open position may coincide or form an angle B. When the power-on position coincides with the fully open position, the user must open the detection component 100 (including the magnet 110) to the fully open position to power on the device, which means that the temperature detection device 1 can only perform temperature measurement in one orientation.

[0083] Please continue to refer to this. Figure 6 and 7 In the illustrated embodiment, an angle B is formed between the power-on position and the fully open position. For example... Figure 6 As shown, when the detection component 100 (including the magnetic body 110) moves to the power-on position, the device is powered on. Afterward, the detection component 100 (including the magnetic body 110) can continue to move towards the fully open position. Within the range of angle B, the detection component 100 can stop at any position to perform temperature testing. This angle B can be flexibly set according to actual needs; in some embodiments, this angle B ≥ 160°.

[0084] The angle D is a hysteresis angle formed based on the difference between the first and second set ranges of the magnetic field direction detection unit 202. In some embodiments, the angle D ≤ 20° to obtain a suitable hysteresis angle, which ensures that the angle B of the detection component 100 can be larger.

[0085] Furthermore, in order to save space while providing a sufficient magnetic field range for detection by the magnetic field direction detection unit 202 and to increase the magnetic force by which the device attracts external metal materials, in one embodiment, please refer to... Figure 5-8 by Figure 9 and 13 The first magnetic body 111 is circumferentially arranged around the rotation axis a1 of the detection assembly 100. Simultaneously, the central angle E of the first magnetic body 111 is greater than the angle B between the power-on position and the fully open position, to ensure that the first magnetic body 111 always corresponds to the magnetic field direction detection unit 202 during the movement of the magnetic body 110 from the power-on position to the fully open position. Please refer to... Figure 9 and 13 In some embodiments, the central angle E of the first magnetic body 111 is ≥180°.

[0086] Similarly, to save space while providing a sufficient magnetic field range for detection by the magnetic field direction detection unit 202 and to increase the magnetic force by which the device attracts external metal materials, in one embodiment, please refer to... Figure 5-8 by Figure 9 and 13 The second magnetic body 112 is circumferentially arranged around the rotation axis a1 of the detection assembly 100. Simultaneously, the central angle F of the second magnetic body 112 is greater than the shutdown compensation angle A between the off position and the closed position, ensuring that the second magnetic body 112 always corresponds to the magnetic field direction detection unit 202 during the movement of the magnetic body 110 from the off position to the closed position. Please refer to... Figure 9 and 13 In some embodiments, the central angle F of the second magnetic body 112 is ≤180°.

[0087] exist Figure 9 In the illustrated embodiment, the central angle E of the first magnetic body 111 and the central angle F of the second magnetic body 112 are both 180°, each accounting for half. Figure 13 In the embodiment shown, the central angle E of the first magnetic body 111 is 180° and the central angle F of the second magnetic body 112 is 90°, thereby leaving a gap between the first magnetic body 111 and the second magnetic body 112. This gap can be used for the wiring of the connecting cable 122 between the temperature detection unit 123 and the control unit 210.

[0088] On the other hand, to improve the accuracy and reliability of power-on and power-off, some embodiments of this application also provide power-on and power-off control using a magnetic induction intensity detection unit. This magnetic induction intensity detection unit can be a Hall sensor or other sensors capable of detecting magnetic induction intensity and outputting different signals based on the magnitude of the magnetic induction intensity.

[0089] Please refer to Figure 17-24 In some embodiments, a temperature detection device 1 is provided, wherein a detection component 100 is rotatably connected to a device body 200. The detection component 100 has a first detection region 101 and a second detection region 102 distributed around a rotation axis a1 of the detection component 100. One of the first detection region 101 and the second detection region 102 is provided with a third magnetic body 113, such that the magnetic induction intensity or magnetic field state of the first detection region 101 and the second detection region 102 are different.

[0090] exist Figure 17-24 In the illustrated embodiment, the space occupied by the third magnetic body 113 is the first detection area 101, and the space occupied by the notch 114 corresponding to the third magnetic body 113 is the second detection area 102. Of course, in other embodiments, the space occupied by the third magnetic body 113 can be the second detection area 102, and the space occupied by the notch 114 corresponding to the third magnetic body 113 can be the first detection area 101.

[0091] The magnetic induction intensity detection unit 203 is located on one side of the movement trajectory of the magnetic body 110 to detect the magnetic field signals of the first detection area 101 and the second detection area 102. When the magnetic induction intensity detection unit 203 detects that the magnetic induction intensity of the third magnetic body 113 meets a first preset range, it issues a first signal; when the magnetic induction intensity detection unit 203 detects that the magnetic induction intensity of the third magnetic body 113 meets a second preset range, it issues a second signal. The second preset range is smaller than the first preset range. The control unit 210 controls the temperature detection device 1 to power on based on one of the first and second signals, and controls it to power off based on the other. The first and second signals are the same as described above.

[0092] When the third magnetic body 113 triggers the magnetic induction intensity detection unit 203 to send a first or second signal to control the power-on, the detection component 100 (including the third magnetic body 113) is in the power-on position; when the third magnetic body 113 triggers the magnetic induction intensity detection unit 203 to send a second or first signal to control the power-off, the detection component 100 (including the third magnetic body 113) is in the power-off position.

[0093] The reference value of the first set range is typically greater than the reference value of the second set range. The first and second set ranges usually depend on the settings of the magnetic induction intensity detection unit 203 itself; different magnetic induction intensity detection units 203 based on different principles or specifications have different first and second set ranges. In one embodiment, the magnetic induction intensity detection unit 203 is a Hall sensor, and the reference value of the first set range of the magnetic induction intensity detection unit 203 is B. OP B OPThe Gaussian value is approximately 30 Gs, and in some embodiments, it is 32 Gs. When the detected magnetic induction intensity of the third magnetic body 113 is ≥32 Gs, it indicates that the first set range is met, and the magnetic induction intensity detection unit 203 emits a first signal. The reference value for the second set range is B. RP Its Gaussian value is approximately 20 Gs, and in some embodiments, it is 24 Gs. When the detected magnetic induction intensity of the third magnetic body 113 is ≤24 Gs, it indicates that the second set range is met, and the magnetic induction intensity detection unit 203 emits a second signal. When the detected magnetic induction intensity is greater than B... OP Or less than B RP Afterwards, changes in magnetic induction intensity do not affect the triggering status of magnetic induction intensity detection unit 203 until it is triggered again.

[0094] In some embodiments, during the process of opening the detection component 100, when the magnetic induction intensity detection unit 203 detects a magnetic field strength greater than B OP When the output is low, the temperature detection device 1 is powered on; otherwise, the output is high, and the temperature detection device 1 is powered off. During the retraction of the detection component 100, when the magnetic induction intensity detection unit 203 detects a magnetic field strength less than B... RP When the output is high, the temperature detection device 1 is turned off; otherwise, when the output is low, the temperature detection device 1 is turned on. Of course, it is understandable that by changing the control logic, in some embodiments, the temperature detection device 1 can be turned on when the output is high and turned off when the output is low.

[0095] In these embodiments where magnetic field detection is performed by the magnetic induction intensity detection unit 203, the detection of the magnetic field direction can be omitted. There is no need to set up a first magnetic body 111 and a second magnetic body 112 with different magnetic pole directions. The power-on / off trigger can be completed simply by detecting the magnetic induction intensity of the third magnetic body 113. Furthermore, since the first detection area 101 and the second detection area 102 are distributed around the rotation axis a1, the detection range of the first detection area 101 and the second detection area 102 is longer and larger when the magnetic body 110 rotates, making them easier to detect by the magnetic induction intensity detection unit 203 and increasing the reliability of power-on / off. Moreover, the third magnetic body 113 is arranged around the rotation axis a1, increasing its radial plane area and overall volume, resulting in a stronger outward magnetic attraction force. This allows the device to be magnetically attracted to other objects, making the temperature detection device 1 easier to store and retrieve.

[0096] Furthermore, in the scheme using the third magnetic body 113, the detection assembly 100 (including the third magnetic body 113) also has a closed position and a fully open position. For example... Figure 1 and17 As shown, when the detection component 100 (including the third magnetic body 113) is in the closed position, the detection component 100 is retracted onto the device body 200; as Figure 2 and 19 As shown, when the detection component 100 (including the third magnetic body 113) is in the fully open position, the detection component 100 is opened to its maximum position. The power-on position is located on the movement trajectory of the detection component 100 (including the third magnetic body 113) from the closed position to the fully open position, and the power-off position is located on the movement trajectory of the detection component 100 (including the third magnetic body 113) from the fully open position to the closed position.

[0097] For a better description of the closed, power-off, power-on, and fully open positions, please refer to [reference needed]. Figure 17-20 In one embodiment, the changes in various positions are schematically illustrated. Specifically, considering that the closed position, off position, on position, and fully open position all represent changes in the position of the detection component 100 and its internal parts along their movement trajectory, the relationship between these positions is illustrated to more clearly demonstrate their relationship. Figure 17-20 Using the third magnetic body 113 as a reference, auxiliary schematic lines corresponding to each position were created. Specifically, c1 is the auxiliary schematic line for the closed position on the third magnetic body 113, c2 is the auxiliary schematic line for the off position on the third magnetic body 113, c3 is the auxiliary schematic line for the on position on the third magnetic body 113, and c4 is the auxiliary schematic line for the fully open position on the third magnetic body 113. These schematic lines c1, c2, c3, and c4 are all virtual reference lines taken from the third magnetic body 113 to facilitate the illustration of the movement positions of the third magnetic body 113.

[0098] Please refer to the following: Figure 17 When the third magnetic body 113 moves clockwise from the open state along the arrow to the closed position, where the auxiliary schematic line c1 corresponds to the magnetic induction intensity detection unit 203, the third magnetic body 113 is in the closed position. Please refer to... Figure 18 When the third magnetic body 113, as shown by the arrow, moves counterclockwise from the closed position to the power-on position (auxiliary schematic line c3 aligns with the magnetic induction intensity detection unit 203), the third magnetic body 113 is in the power-on position. Please refer to... Figure 19 When the third magnetic body 113, as shown by the arrow, moves counterclockwise from the power-on position to the fully open position (auxiliary schematic line c4 aligns with the magnetic induction intensity detection unit 203), the third magnetic body 113 is in the fully open position. Please refer to... Figure 20 When the third magnetic body 113, as indicated by the arrow, moves counterclockwise from the open state to the off position, where the auxiliary schematic line c2 aligns with the magnetic induction intensity detection unit 203, the third magnetic body 113 is in the off position. Regarding... Figure 17-20 The limitations of angles A, B, C, D, and H can be found in the aforementioned content.

[0099] Furthermore, in some embodiments, the first detection area 101 is circumferentially arranged around the rotation axis a1 of the detection component 100, and the central angle I of the first detection area 101 is greater than the angle B between the power-on position and the fully open position, so as to ensure that the first detection area 101 always corresponds to the magnetic induction intensity detection unit 203 during the process of the detection component 100 moving from the power-on position to the fully open position. Please refer to Figure 17-24 In these embodiments, the third magnetic body 113 is the first detection area 101, and the central angle I of the first detection area 101 is the same as the central angle I of the third magnetic body 113. This central angle I is ≥180°, such as ≥260°. In some embodiments, the central angle I is 180° or 225°. Of course, this range can be set larger according to actual needs. In other embodiments, the range of the first detection area 101 and its central angle may also be larger than the range and central angle of the third magnetic body 113.

[0100] Furthermore, in some embodiments, the second detection area 102 is circumferentially arranged around the rotation axis a1 of the detection assembly 100, and the central angle J of the second detection area 102 is greater than the shutdown compensation angle A between the power-off position and the closed position, so as to ensure that the second detection area 102 always corresponds to the magnetic induction intensity detection unit 203 during the process of the third magnetic body 113 moving from the power-off position to the closed position. Please refer to Figure 17-24 In these embodiments, the notch 114 on the third magnetic body 113 is the second detection area 102, and the central angle J of the second detection area 102 is the same as the central angle J of the notch 114. The central angle J of the second detection area 102 is ≤100°. In some embodiments, the central angle J of the second detection area 102 is 90°. Of course, this range can be set to be larger according to actual needs. In other embodiments, the range of the second detection area 102 and the central angle can also be larger than the range and central angle corresponding to the notch 114 on the third magnetic body 113.

[0101] In order to ensure that the detection component 100 has a larger opening range, in some embodiments, the central angle I of the first detection area 101 is greater than the central angle J of the second detection area 102.

[0102] Furthermore, the central angle J of the notch 114 needs to be ensured that, when the notch 114 corresponds to the magnetic induction intensity detection unit 203, within a certain angle range, the magnetic induction intensity measured by the magnetic induction intensity detection unit 203 is less than B. RP The value is set to ensure that the temperature detection device 1 can be stably shut down even under shaking, vibration, or magnetic error.

[0103] Typically, in some embodiments, the first set range is used for power-on determination, and the second set range is used for power-off determination. When the third magnetic body 113 is in the closed position, the smaller the magnetic induction intensity measured by the magnetic induction intensity detection unit 203 at the notch 114, the closer it is to B. OP The farther away the device is, the less likely it is to be accidentally turned on due to contact, misoperation, magnetic materials, or other magnetic bodies 110. In some embodiments, the magnetic induction intensity measured by the magnetic induction intensity detection unit 203 at the notch 114 can even be 0 (when the center line of the notch 114 is aligned with the magnetic induction intensity detection unit 203, the magnetic induction intensity measured by the magnetic induction intensity detection unit 203 is usually 0). However, the conditions for triggering the power-on require the magnetic induction intensity measured by the magnetic induction intensity detection unit 203 to reach B. OP This process requires rotating the third magnetic body 113 (such as...). Figure 17 and 18 As shown), the third magnetic body 113 is gradually brought closer to the magnetic induction intensity detection unit 203, thereby gradually increasing the magnetic induction intensity measured by the magnetic induction intensity detection unit 203. When the initial magnetic induction intensity measured by the magnetic induction intensity detection unit 203 in the closed position is 0 or too small, a larger angle needs to be rotated so that the third magnetic body 113 can move to a position that can trigger the magnetic induction intensity detection unit 203 to issue a power-on signal. This undoubtedly increases the power-on angle, thereby reducing the effective opening angle of the detection component 100 after power-on (i.e., the angle that the detection component 100 can open under the premise of being able to detect temperature). Therefore, in one embodiment, when the detection component 100 is in the closed position, it is set to 0 < the magnetic induction intensity of the third magnetic body 113 detected by the magnetic induction intensity detection unit 203 < the second set range (B). RP That is, when the detection component 100 (including the third magnetic body 113) is in the closed position, the magnetic induction intensity detection unit 203 can detect a certain value of the initial magnetic induction intensity, reducing the initial magnetic induction intensity from B. OP The difference allows the third magnetic body 113 to meet the power-on requirements without rotating it by an excessive angle, thus reducing the power-on angle C. In some embodiments, when the detection component 100 is in the closed position, the magnetic induction intensity detection unit 203 can detect a magnetic field strength of approximately 10-15 Gauss. At this time, rotating the detection component 100 by approximately 20° will enable power-on.

[0104] Please refer to Figure 17-24In some embodiments, the third magnetic body 113 has a front end and a rear end in the opening direction; that is, when the third magnetic body 113 moves in the opening direction, the end located in front of the movement direction is the front end, and the other end is the rear end. To ensure that the magnetic induction intensity detection unit 203 can detect a certain magnetic induction intensity when the third magnetic body 113 is in the closed position, thus reducing the opening angle C, in one embodiment, when the third magnetic body 113 is in the closed position, the angle formed between the magnetic induction intensity detection unit 203 and the front end is smaller than the angle formed between the magnetic induction intensity detection unit 203 and the rear end. That is, when the third magnetic body 113 is in the closed position, the magnetic induction intensity detection unit 203 corresponds to the area near the front end of the third magnetic body 113 along the centerline of the notch 114, thereby reducing the opening angle.

[0105] Alternatively, from another perspective, please refer to Figure 17 and 19 In some embodiments, when the third magnetic body 113 is in the closed position, the angle G formed between the magnetic induction intensity detection unit 203 and the front end is less than one-quarter of the central angle J of the second detection area 102 (such as the central angle J of the notch 114), so as to ensure that when the detection component 100 (including the third magnetic body 113) is in the closed position, the magnetic induction intensity detection unit 203 can detect a certain value of the initial magnetic induction intensity.

[0106] Alternatively, in some embodiments, when the third magnetic body 113 is in the closed position, the magnetic induction intensity detected by the magnetic induction intensity detection unit 203 is between one-third and one-half of the first set range reference value.

[0107] In other embodiments, the second detection region 102 may also have a fourth magnetic body with a magnetic induction intensity less than that of the third magnetic body 113, the fourth magnetic body forming a groove with the third magnetic body 113. The third magnetic body 113 and the fourth magnetic body may be integrally formed into a ring-shaped or disk-shaped structure.

[0108] Please refer to Figure 21-24 In one embodiment, the third magnetic body 113 is arranged in a disc-shaped or ring-shaped structure with grooves or notches 114 around the rotation axis a1 of the detection assembly 100. This increases the radial area of ​​the third magnetic body 113, thereby increasing the external magnetic attraction force, compared to placing a single small circular magnet at a certain position around the rotation axis.

[0109] Furthermore, in the above embodiments, in addition to improving the reliability of power-on / off triggering, the temperature detection device 1 can also be adsorbed onto a metal material by the magnetic body 110. In some embodiments, it can be adsorbed onto the metal casing or other parts of other kitchen equipment.

[0110] Specifically, the detection assembly 100 may also have an attachment outer wall 131 for attaching a metal material, and a magnetic body 110 (which may be a first magnetic body 111, a second magnetic body 112 and / or a third magnetic body 113) located on the inner side of the attachment outer wall to adsorb the temperature detection device 1 onto the metal material.

[0111] In some embodiments, such as Figure 3 As shown, the magnetization direction of the first magnetic body 111 and the second magnetic body 112 is both arranged along their axial direction. The axial direction of the first magnetic body 111 and the second magnetic body 112 is the rotation axis a1 of the detection assembly 100, which passes through the attached outer wall 131. By arranging the magnetization direction of the first magnetic body 111 and the second magnetic body 112 along their axial direction, the magnetic force exerted by the first magnetic body 111 and the second magnetic body 112 on the attached outer wall 131 can be increased, thereby increasing the magnetic attraction force and enabling the temperature detection device 1 to be more firmly magnetically attracted to the metal material.

[0112] In some embodiments, the outer wall 131 is perpendicular to the rotation axis a1, and the magnetization direction of the first magnetic body 111 and the second magnetic body 112 can be perpendicular to the outer wall 131, further improving the magnetic force exerted by the first magnetic body 111 and the second magnetic body 112 on the outer wall 131.

[0113] Alternatively, in some other embodiments, the magnetization direction of both the first magnetic body 111 and the second magnetic body 112 is radial. Please refer to... Figure 5-16 In some embodiments, the magnetic field direction detection unit 202 is disposed radially on the first magnetic body 111 and the second magnetic body 112. When the first magnetic body 111 and the second magnetic body 112 are magnetized along their radial direction, the radial magnetic field signal can be increased, making it easier for the magnetic field direction detection unit 202 to detect it.

[0114] Similarly, the magnetization direction of the third magnetic body 113 can also be along its axial direction. The axial direction of the third magnetic body 113 is the rotation axis a1 of the detection assembly 100, which passes through the attached outer wall 131. By setting the magnetization direction of the third magnetic body 113 along its axial direction, the magnetic force exerted by the third magnetic body 113 on the attached outer wall 131 can be increased, thereby increasing the magnetic attraction force and enabling the temperature detection device 1 to be more firmly magnetically attracted to the metal material.

[0115] In some embodiments, the outer wall 131 is perpendicular to the rotation axis a1, and the magnetization direction of the third magnetic body 113 can be perpendicular to the outer wall 131, further improving the magnetic force exerted by the third magnetic body 113 on the outer wall 131.

[0116] Of course, please refer to Figure 17-20In some embodiments, the magnetization direction of the third magnetic body 113 may also be along its radial direction, so that it can be more easily detected by the magnetic induction intensity detection unit 203 located in the radial direction of the third magnetic body 113.

[0117] From another perspective, in one embodiment, the ratio α of the total volume of all magnetic bodies on the detection component 1 (such as the volume of the first magnetic body 111 + the second magnetic body 112, or the volume of the third magnetic body 113) to the weight of the temperature detection device 1 is 4.0 mm. 3 / g≤a≤23.0mm 3 / g, this ratio ensures that the temperature sensing device 1 can be more firmly adsorbed onto the metal material, preventing it from falling off the adsorbed object due to excessive weight. In some embodiments, the total magnetic force of the first magnetic body 111 plus the second magnetic body 112 or the total magnetic force of the third magnetic body 113 can be ≤6000Gs, and the total volume of the first magnetic body 111 plus the second magnetic body 112 or the third magnetic body 113 can be 500-1950mm². 3 The total weight of this temperature detection device can be 87-120g.

[0118] Furthermore, regarding the installation of the magnetic body 110 (which may be a first magnetic body 111, a second magnetic body 112, and / or a third magnetic body 113), please refer to... Figure 4-25 In some embodiments, the detection component 100 is rotatably connected to the device body 200. In other embodiments, the device body 200 has a rotatably configured adapter shaft 220, to which the detection component 100 is fixedly connected and rotates relative to the device body 200 via the adapter shaft 220. The rotatable connection between the detection component 100 and the device body 200 is not limited to the illustrated scheme and can be implemented using other rotatable connection structures.

[0119] The first magnetic body 111, the second magnetic body 112, or the third magnetic body 113 are arranged circumferentially around the rotation axis a1 of the detection assembly 100 in a disk-shaped or ring-shaped structure. This disk-shaped or ring-shaped structure can increase the radial area and overall volume of the magnetic body 110 without increasing the volume of the detection assembly 100, thereby improving the magnetic force of the magnetic body 110 and enhancing the magnetic attraction effect. Furthermore, when a disk-shaped or ring-shaped structure is used, the increased radial area allows for a further reduction in the axial thickness of the magnetic body 110 while still satisfying the external magnetic attraction function, which is beneficial for reducing the thickness of the detection assembly 100 and the entire temperature detection device 1.

[0120] In some embodiments, a through hole may be provided in the middle of the disc-shaped or ring-shaped structure for the passage of the connecting cable 122 or for fixing other components (such as the fixing cover 133 described below).

[0121] Furthermore, please refer to Figure 4 , Figure 9-16 as well as Figure 21-25 In some embodiments, the detection component 100 has a base 132. A magnet 110 and a temperature detection unit 123 are mounted on the base 132, which is rotatably connected to the device body 200. A wiring channel 204 is provided between the base 132 and the device body 200 to accommodate the connecting cable 122 of the temperature detection unit 123. The temperature detection unit 123 is signal-connected to the control unit 210 via this connecting cable 122. The wiring channel 204 may be located on the rotation axis a1 of the detection component 100 relative to the device body 200, such as passing through the center of the connecting shaft 220, to reduce the twisting deformation of the connecting cable 122 when the detection component 100 rotates, thereby improving the service life of the connecting cable 122.

[0122] Please refer to Figure 15 and 21 In some embodiments, to allow the connecting cable 122 of the temperature detection unit 123 to pass through the wiring channel 204 below the magnetic body 110, the magnetic body 110 has a notch 114 that communicates with the wiring channel 204 for the connecting cable 122 of the temperature detection unit 123 to pass through.

[0123] Please refer to Figure 25 In some embodiments, the side of the magnetic body 110 facing the base 132 may also have a gap 1322, which communicates with the wiring channel 204 to allow the connecting cable 122 of the temperature detection unit 123 to pass through. The side of the gap 1322 has an opening 1323 for connecting the cable 122 to enter the gap 1322. Relative to... Figure 15 and 21 As shown in the notch 114, leaving a sufficient gap 1322 on the bottom surface of the magnetic body 110 can increase the active area of ​​the connecting cable 122. During the rotation of the detection component 100, the connecting cable 122 has a higher degree of freedom, which can further prevent the connecting cable 122 from twisting and deforming.

[0124] Please refer to Figure 4 and 25 In some embodiments, the base 132 has a bottom surface 1324 and a magnetic support member 1321. A wiring channel 204 is provided on the bottom surface 1324, and a magnetic body 110 is mounted on the magnetic support member 1321, forming a gap 1322 with the bottom surface 1324.

[0125] Further, please refer to Figure 4 and 25In some embodiments, the base 132 has a cylindrical structure with a cavity. The magnetic body 110 is disposed within the cavity, and a magnetic body support 1321 protrudes from the inner wall of the cavity, forming an opening 1323 between the magnetic body supports 1321. The magnetic body support 1321 may protrude from the bottom wall and / or side wall of the cavity to form a support platform on which the magnetic body 110 is placed.

[0126] Since the magnetic material 110 itself is difficult to manufacture and fix, please refer to... Figure 4 and 25 In some embodiments, the detection assembly 100 has a fixing cover 133 that covers the magnetic body 110 and is fixedly connected to the base 132 to hold the magnetic body 110 on the base 132. The fixing cover 133 can be snapped onto the base 132, glued, screwed, welded, etc. Figure 4 and 25 In the illustrated embodiment, the fixing cover 133 is fixed to the base 132 by a snap fastener 1331, allowing for easy disassembly. Alternatively, to enhance the fixation, a fixing hole 1332 can be provided in the center of the fixing cover 133, through which it is fixed to the device body 200, specifically on the aforementioned adapter shaft 220. To further enhance the fixation effect, the fixing cover 133 can be made of metal. However, other materials can also be used; in some embodiments, the fixing cover 133 is made of plastic or similar materials.

[0127] Furthermore, the fixing cover 133 itself can serve as an outer cover for the detection component 100; in other embodiments, please refer to... Figure 4 and 25 The detection assembly 100 also includes an outer cover 134, which is fastened to the base 132 and covers the cavity of the base 132, as well as the magnetic body 110 and the fixing cover 133 located within the cavity. The outer wall of the outer cover 134 can be considered as an attached outer wall. Of course, the attached outer wall can also be provided at other locations on the detection assembly 100. The outer cover can serve as a decorative outer cover, and therefore an easily processed material, such as plastic, can be selected.

[0128] Further, please refer to Figure 9-16 as well as Figure 21-24 In some embodiments, the base 132 is a cylindrical shape with a cavity, the detection assembly 100 has a probe 121, a temperature detection unit 123 is disposed on the probe 121, one end of the probe 121 extends into the cavity of the base 132, and a magnetic body 110 is located on one side of the probe 121. The magnetic body 110 has a clearance structure to avoid the probe 121. In some embodiments, in Figure 9-16 as well as Figure 21-24In the illustrated embodiment, the end of the annular magnetic body 110 extending into the base 132 facing the probe 121 has a cross-section to allow space for accommodating the probe 121. Arranging the probe 121 and the magnetic body 110 side by side can reduce the thickness of the temperature measuring component in the direction of the rotation axis a1, which is beneficial for making the device thinner and lighter.

[0129] Further, please refer to Figure 3 , 4 In some embodiments, the device body 200 may have a main housing 230 with a mounting cavity that can accommodate components such as the control unit 210, the display assembly 240, and a battery (optional). The main housing 230 may have a first housing 231, a second housing 232, or more sub-housings. The first housing 231 and the second housing 232 enclose the mounting cavity. The detection assembly 100 is movably mounted on the main housing 230. In some embodiments, it is rotatably connected to the main housing 230 via the aforementioned rotating shaft; however, it can also be movably connected by translation or other methods. Please refer to [reference needed]. Figure 4 and 25 In one embodiment, in addition to the main housing 230, an outer shell 250 may be provided to cover the upper surface of the main housing 230 to form a simpler appearance.

[0130] Those skilled in the art will recognize that many changes can be made to the details of the above embodiments without departing from the basic principles of the invention. Therefore, the scope of the invention should be determined according to the following claims.

Claims

1. A temperature detection device for detecting temperature during cooking, characterized in that, include: A detection component, the detection component having a temperature detection unit for temperature detection and a magnetic body, the magnetic body being at least divided into a first magnetic body and a second magnetic body, the magnetic poles of the first magnetic body and the second magnetic body having opposite directions; The device body includes a control unit and a magnetic field direction detection unit. The magnetic field direction detection unit is signal-connected to the control unit, and the temperature detection unit is signal-connected to the control unit. The detection component is rotatably connected to the main body of the device, and the first magnetic body and the second magnetic body are arranged around the rotation axis of the detection component; The magnetic field direction detection unit is located on one side of the movement trajectory of the magnetic body to detect the magnetic field signals of the first magnetic body and the second magnetic body. The magnetic field signal includes at least the magnetic field direction. During the movement of the first magnetic body and the second magnetic body, the magnetic field direction detection unit emits a first signal and a second signal based on the detection results of the magnetic field signals of the first magnetic body and the second magnetic body. The control unit controls the temperature detection device to turn on based on one of the first signal and the second signal, and controls the temperature detection device to turn off based on the other signal; The movement trajectory of the detection component has an on position, an off position, and a closed position. When the detection component triggers the magnetic field direction detection unit to send the first signal or the second signal to control the on, the detection component is located at the on position; when the detection component triggers the magnetic field direction detection unit to send the second signal or the first signal to control the off, the detection component is located at the off position; a off compensation angle A is formed between the off position and the closed position, and the angle between the on position and the off position is angle D.

2. The temperature detection device as described in claim 1, characterized in that, When the magnetic field direction detection unit detects the magnetic field signal of the first magnetic body and the detected magnetic field strength of the first magnetic body meets the first set range, the magnetic field direction detection unit sends out a first signal. When the magnetic field direction detection unit detects the magnetic field signal of the second magnetic body and the detected magnetic field strength of the second magnetic body meets the second set range, the magnetic field direction detection unit sends out a second signal.

3. The temperature detection device as described in claim 1, characterized in that, The detection component has a fully open position on its movement trajectory relative to the device body. When the detection component is in the closed position, it is retracted onto the device body. When the detection component is in the fully open position, it is opened to its maximum position. The power-on position is located on the movement trajectory of the detection component from the closed position to the fully open position, and the power-off position is located on the movement trajectory of the detection component from the fully open position to the closed position.

4. The temperature detection device as described in claim 3, characterized in that, The power-on position and the fully open position coincide or form an angle B.

5. The temperature detection device as described in claim 3, characterized in that, The angle between the power-on position and the closed position is the power-on angle C, and the power-on angle C is greater than the angle D.

6. The temperature detection device as described in claim 1, characterized in that, The detection assembly has an attachment outer wall for attaching to a metal material, and the magnet is located inside the attachment outer wall to attract the temperature detection device onto the metal material.

7. The temperature detection device as described in claim 6, characterized in that, The magnetization direction of the first magnetic body and the second magnetic body is perpendicular to the attached outer wall.

8. The temperature detection device as described in claim 1, characterized in that, The ratio α of the total volume of all magnetic bodies on the detection assembly to the weight of the temperature detection device is 4.0 mm. 3 / g≤a≤23.0mm 3 / g.

9. The temperature detection device as described in claim 1, characterized in that, The detection component is rotatably connected to the main body of the device, and the magnetic body is arranged in a disc-shaped or ring-shaped structure around the rotation axis of the detection component.

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