Roast meat temperature probe

Abstract

A roast meat temperature probe (100), comprising a measurement portion (1), a holding portion (2) and a temperature-sensing portion (3), wherein the measurement portion (1) comprises a probe body (11) and a temperature sensor (12), the temperature sensor (12) being fixedly mounted inside the probe body (11) and configured to convert a temperature signal of the probe body (11) into an electrical signal; the holding portion (2) is fixedly connected to an end of the measurement portion (1); and the temperature-sensing portion (3) is arranged on the outer surface of the measurement portion (1) and / or the outer surface of the holding portion (2), and is configured to sense the temperature of the outer surface of the roast meat temperature probe (100), and change the morphological features thereof along with a change in the temperature. The temperature-sensing portion (3) is configured to sense the temperature of the outer surface of the roast meat temperature probe and change the morphological features thereof along with a change in the temperature, so that a user can intuitively perceive the temperature condition of the outer surface of the roast meat temperature probe (100) without the aid of other devices, so as to determine whether the temperature has decreased to a level at which a food probe can be picked up by hand.

Description

Barbecue temperature probe

[0001] Related applications

[0002] This application claims priority to Chinese patent application No. 202323495258.7 filed on December 20, 2023, portions of which are incorporated herein by reference.

[0003] This application claims priority to Chinese patent application No. 202421129014.9, filed on May 20, 2024, portions of which are incorporated herein by reference.

[0004] This application claims priority to Chinese patent application No. 202323630100.6, filed on December 28, 2023, portions of which are incorporated herein by reference.

[0005] This application claims priority to Chinese patent application No. 202420301420.2 filed on February 19, 2024, portions of which are incorporated herein by reference.

[0006] This application claims priority to Chinese patent application No. 202410869214.6, filed on July 1, 2024, portions of which are incorporated herein by reference.

[0007] This application claims priority to Chinese patent application No. 202410869209.5 filed on July 1, 2024, portions of which are incorporated herein by reference.

[0008] This application claims priority to Chinese patent application No. 202410182663.3 filed on February 19, 2024, parts of which are incorporated by reference into this application. Technical Field

[0009] The present application relates to the technical field of temperature monitoring, and in particular to a barbecue temperature probe. Background Art

[0010] Barbecue temperature probes are devices used to measure the internal temperature of food and are widely used in our daily lives. They help chefs accurately monitor the degree of doneness during the cooking process, ensuring both the taste and safety of the food. Whether in home or commercial kitchens, these barbecue temperature probes can improve cooking quality and efficiency, helping people prepare safe and delicious food.

[0011] Among the barbecue temperature probe technologies currently available on the market, one involves inserting a probe into food and placing it in a high-temperature environment with the food to continuously monitor the food's cooking degree. Typically, the stainless steel probe is inserted into the food, such as various fresh meats, and then placed in a cooking appliance such as an electric barbecue grill, smoker, oven, grill, or frying pan. The temperature is then used to determine the food's cookedness until it is finished. However, there is a problem with using this type of barbecue temperature probe: without the aid of external equipment, the user cannot estimate the probe's outer surface temperature during or after cooking. If the probe's outer surface remains hot and the user touches it, burns may occur. The barbecue temperature probe lacks guidance on its own outer surface temperature.

[0012] Application Contents

[0013] The main purpose of this application is to provide a barbecue temperature probe, which is intended to remind and guide users of the temperature conditions of the outer surface of the barbecue temperature probe.

[0014] To achieve the above-mentioned purpose, the present application proposes a barbecue temperature probe, comprising a measuring part, a holding part and a temperature sensing part; the measuring part comprises a needle body and a temperature sensor, and the temperature sensor is fixedly installed in the needle body for converting the needle body temperature signal into an electrical signal; the holding part is fixedly connected to one end of the measuring part; the temperature sensing part is arranged on the outer surface of the measuring part and / or the holding part, for sensing the outer surface temperature of the barbecue temperature probe and changing its own morphological characteristics as the temperature changes.

[0015] In one embodiment, the needle body includes a middle tube body and a tip and a connecting end relatively arranged at both ends of the middle tube body, the diameter of the tip gradually decreases from the middle tube body toward the direction away from the connecting end, and the connecting end is used to fixedly connect to the gripping part.

[0016] In one embodiment, the barbecue temperature probe further includes a conductive member, which is provided at one end of the holding portion close to the needle body. The temperature sensor is electrically connected to the conductive member, so that the conductive member is suitable for serving as a charging electrode.

[0017] In one embodiment, the gripping portion includes a hollow cylinder and an end cap, the end cap is sealed at an opening of one end of the hollow cylinder, and an end of the hollow cylinder away from the end cap is sleeved on the outside of the connecting end.

[0018] In one embodiment, the outer peripheral wall of the connecting end is provided with a plurality of annular grooves, and a sealing member is provided in the annular groove. The sealing member is used to seal the inner peripheral wall of the hollow cylinder and the outer peripheral wall of the connecting end.

[0019] In one embodiment, the end cover includes a top plate and a connecting column extending from the top plate toward one side, the outer peripheral wall of the connecting column is provided with a snap-fit ​​groove, the connecting column is inserted into the hollow cylinder, and the snap-fit ​​groove is used to snap-fit ​​with the inner wall surface of the hollow cylinder.

[0020] In one embodiment, the temperature sensing portion is provided in the middle of the outer wall of the hollow cylinder in an area touched by a user's finger.

[0021] In one embodiment, the barbecue temperature probe further includes a radio frequency antenna electrically connected to the temperature sensor. The end cap is provided with a threaded portion. The radio frequency antenna includes a spiral portion that is threadedly connected to the threaded portion of the end cap.

[0022] In one embodiment, the hollow cylinder is provided with a accommodating cavity having a first opening and a second opening oppositely arranged at both ends, the connecting end is sealedly connected to the first opening, and the end cover is sealedly connected to the second opening; the second opening is provided with a waterproof structure.

[0023] In one embodiment, the waterproof structure includes an inverted insert protruding from the inner wall of the accommodating cavity, a gap is formed between the inverted insert and the inner wall of the accommodating cavity, and the end cover is inserted into the gap.

[0024] In one embodiment, the reverse insert is provided at one end of the accommodating cavity close to the second opening, and the outer diameter of the second reverse insert gradually increases from the second opening toward the accommodating cavity.

[0025] In one embodiment, the barbecue temperature probe further includes a metal seal, which is sleeved on the periphery of the connecting end and can be deformed under the action of an external force so that its diameter can be adjusted; the metal seal is interference fit with the inner wall of the accommodating cavity to seal the connecting part to the main body.

[0026] In one embodiment, the metal seal is arranged in a non-closed ring shape with an opening;

[0027] And / or, the metal seal is made of copper.

[0028] In one embodiment, the outer diameter of the metal seal gradually decreases from the end close to the first opening toward the interior of the accommodating cavity. The metal seal includes a sealing body and a rib provided on the outer periphery of the sealing body, and the rib is interference fit with the inner wall of the accommodating cavity. There are multiple ribs, and the multiple ribs are arranged at intervals along the axial direction of the metal seal, and a groove for filling the colloid is formed between any adjacent ribs.

[0029] In one embodiment, the needle body is provided with a safety line for marking the depth of the needle body inserted into the food; the temperature sensing portion is provided on a side of the needle body outside the safety line close to the gripping portion.

[0030] In one embodiment, the temperature sensing portion is coated with a temperature-sensitive color-changing coating, and the temperature-sensitive color-changing coating can change color with temperature changes.

[0031] In one embodiment, the system further includes a control module and a battery module for power supply, wherein the control module is electrically connected to the temperature sensor, and the battery module is electrically connected to the control module and the temperature sensor.

[0032] In one embodiment, the barbecue temperature probe also includes a temperature sensing component and a spiral antenna. The temperature sensing component is arranged in the needle body and along the extension direction of the needle body. The spiral antenna is arranged in the needle body. The spiral antenna includes an antenna body arranged along the extension direction of the needle body, and a spiral structure arranged in the middle section of the antenna body. The spiral structure is arranged around the periphery of the temperature sensing component.

[0033] In one embodiment, a plurality of the spiral structures are spaced apart along the extension direction of the needle body, and the plurality of spiral structures are coaxially arranged. The spiral structure includes at least one spiral segment arranged along the extension direction of the needle body.

[0034] In one embodiment, the helical antenna further includes a first connecting portion provided at one end of the antenna body, and the barbecue temperature probe further includes a circuit board provided in the housing, and the first connecting portion is connected to the circuit board.

[0035] Beneficial effects that this application can achieve:

[0036] The technical solution of the present application uses a temperature sensor in the measuring part of the barbecue temperature probe to sense the external temperature to indicate the temperature of the object to be measured. The food probe is inserted into the object to be measured through the gripping part, and a temperature sensing part is provided on the measuring part and / or the gripping part. The temperature sensing part can change its own state as the temperature of the outer surface of the measuring part and the gripping part changes, and the temperature of the outer surface of the measuring part and the gripping part at this time is indicated by the change of the state of the temperature sensing part; the barbecue temperature probe in the technical solution of the present application senses the temperature of the outer surface of the barbecue temperature probe by providing a temperature sensing part and changes its own morphological characteristics according to the temperature, so that the user can intuitively feel the temperature of the outer surface of the barbecue temperature probe without the aid of other equipment, and judge whether the temperature has dropped to a level where the food probe can be picked up by hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0038] FIG1 is a schematic structural diagram of an embodiment of a barbecue temperature probe of the present application;

[0039] FIG2 is an exploded view of an embodiment of a barbecue temperature probe of the present application;

[0040] FIG3 is a schematic structural diagram of another embodiment of a barbecue temperature probe according to the present application;

[0041] FIG4 is a cross-sectional view of another embodiment of a barbecue temperature probe according to the present application;

[0042] FIG5 is an exploded view of another embodiment of a barbecue temperature probe of the present application;

[0043] FIG6 is a cross-sectional view of another embodiment of a barbecue temperature probe of the present application;

[0044] Figure 7 is an enlarged view of point A in Figure 6;

[0045] FIG8 is an exploded view of another embodiment of a barbecue temperature probe of the present application;

[0046] FIG9 is a schematic diagram of the structure inside the shell of another embodiment of a barbecue temperature probe of the present application.

[0047] Description of Figure Numbers:

[0048] 100. Barbecue temperature probe; 1. Measuring part; 11. Needle body; 111. Tip; 112. Connecting end; 113. Safety line; 12. Temperature sensor; 2. Grip; 21. Hollow cylinder; 211. Accommodating cavity; 212. Waterproof structure; 22. End cap; 221. Threaded part; 3. Temperature sensing part; 4. Conductive part; 5. RF antenna; 51. Spiral part; 6. Metal seal; 7. Spiral antenna; 71. Antenna body; 72. Spiral structure.

[0049] The realization of the objectives, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. Modes for Carrying Out the Invention

[0050] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0051] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0052] In addition, the descriptions of "first", "second", etc. in this application are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0053] The present application provides a barbecue temperature probe and a stylus.

[0054] 1-2 , in one embodiment, the present application proposes a barbecue temperature probe 100, comprising a measuring portion 1, a gripping portion 2, and a temperature sensing portion 3; the measuring portion 1 comprises a needle body 11 and a temperature sensor 12, the temperature sensor 12 being fixedly installed in the needle body 11 for converting a temperature signal of the needle body 11 into an electrical signal; the gripping portion 2 is fixedly connected to one end of the measuring portion 1; the temperature sensing portion 3 is arranged on the outer surface of the measuring portion 1 and / or the gripping portion 2, for sensing the outer surface temperature of the barbecue temperature probe 100 and changing its own morphological characteristics as the temperature changes.

[0055] In this embodiment, the measuring portion 1 is constructed of high-temperature-resistant, high-heat-conducting stainless steel, with a slender outer needle body 11. A temperature sensor 12 is affixed within the needle body 11. The probe's slender shape allows for easy insertion into various food ingredients to detect their internal temperature. The high stability of stainless steel prevents contamination from reacting with food and insulating it from its internal electronic components. Its high thermal conductivity allows it to quickly sense the temperature of the object it contacts and convert this temperature information into an electrical signal, which is then transmitted to the remaining electronic components, ultimately conveying the temperature information to the user. The gripping portion 2 is made of a high-temperature-resistant, low-heat-conducting material, such as ceramic, and is sealed to the measuring portion 1. Different connection methods can be used depending on the actual usage. If the barbecue temperature probe 100 is wirelessly rechargeable, a fixed connection method such as welding or strong glue can be used. If the barbecue temperature probe 100 is rechargeable by replacing the internal battery, a removable connection method such as a snap-on slot or thread can be used. It is only necessary to ensure that the grip portion 2 and the measuring portion 1 do not fall out during operation of the barbecue temperature probe 100, and that oil smoke or water cannot enter the interior of the needle body 11 through the connection between the grip portion 2 and the measuring portion 1. The temperature sensing portion 3 is disposed on the outer surface of the barbecue temperature probe 100 to detect the temperature of the outer surface of the barbecue temperature probe 100. Its state characteristics can be reversibly changed by temperature changes. The state characteristics can be the color of the temperature sensing portion 3, the volume of the temperature sensing portion 3, or the measurement scale of the temperature sensing portion 3. In this embodiment, the temperature sensing portion 3 can change color as the temperature rises and falls. After cooking is completed or when the barbecue temperature probe 100 is placed in water to measure the water temperature, the user can judge whether the temperature of the outer surface of the barbecue temperature probe 100 has dropped to a level that can be directly touched by hand based on the degree of color change, and then pull the barbecue temperature probe 100 out of the food or take it out of the water.

[0056] The technical solution of the present application uses the temperature sensor 12 in the measuring part 1 of the barbecue temperature probe 100 to sense the external temperature to indicate the temperature of the object to be measured. The food probe is inserted into the object to be measured through the gripping part 2, and a temperature sensing part 3 is provided on the measuring part 1 and / or the gripping part 2. The temperature sensing part 3 can change its own state as the temperature of the outer surfaces of the measuring part 1 and the gripping part 2 changes. The change in the state of the temperature sensing part 3 indicates the temperature of the outer surfaces of the measuring part 1 and the gripping part 2 at this time; the barbecue temperature probe 100 in the technical solution of the present application is provided with the temperature sensing part 3 to sense the temperature of the outer surface of the barbecue temperature probe 100 and change its own morphological characteristics according to the temperature, so that the user can intuitively feel the temperature of the outer surface of the barbecue temperature probe 100 without the help of other equipment, and judge whether the temperature has dropped to a level where the food probe can be picked up by hand.

[0057] 1-2 , in one embodiment, the needle body 11 includes a middle tube body and a tip 111 and a connecting end 112 relatively arranged at both ends of the middle tube body. The diameter of the tip 111 gradually decreases from the middle tube body toward the direction away from the connecting end 112. The connecting end 112 is used to fix the connection to the gripping portion 2. The setting of the tip 111 can make it easier for the needle body 11 to be inserted into harder food to better detect the degree of cooking of the food. The tip 111 and the middle tube body are both made of stainless steel and can be manufactured in an integrated manner, or the tip 111 and the middle tube body can be manufactured separately and then sealed and spliced, so that the tip 111 can be more conveniently replaced after deformation, saving material costs. The diameter of the gripping portion 2 is larger than that of the needle body 11. After being fixedly connected to the needle body 11, the user grabs the gripping portion 2 to insert the needle body 11 into the food. Compared with the smooth stainless steel surface of the needle body 11, the gripping portion 2 can be made of a high-temperature resistant material with higher friction, or a concave and convex texture can be added to the gripping portion 2 to increase friction, making it easier for the user to insert the barbecue temperature probe 100 into the food through the gripping portion 2.

[0058] 3-4 , in one embodiment, the barbecue temperature probe 100 further includes a conductive member 4, which is disposed at one end of the grip 2 near the needle body 11. The temperature sensor 12 is electrically connected to the conductive member 4, so that the conductive member 4 is suitable for use as a charging electrode. The conductive member 4 is installed as a positive charging electrode at the end of the grip 2 near the needle body 11, that is, at the front end near the needle body 11. This allows the grip 2 to be designed in a shape that is convenient for the user to pick up and use. This also allows for more design possibilities for the handle. The tail end of the handle is made of the same material, which improves the appearance and does not feel scratchy, thereby enhancing the user experience. As long as the material itself is resistant to high temperatures, there will be no problem of damage after thermal expansion, which will lead to burns and other problems. Therefore, this design is resistant to high temperatures and improves safety in use.

[0059] 1-2 , in one embodiment, the gripping portion 2 includes a hollow cylinder 21 and an end cap 22 . The end cap 22 is sealably disposed at an opening at one end of the hollow cylinder 21 . An end of the hollow cylinder 21 away from the end cap 22 is sleeved onto the outside of the connecting end 112 . One end of the hollow cylinder 21 is sealably connected to the connecting portion, and the other end is sealably connected to the end cap 22 . This allows all outlets of the hollow cylinder 21 to be sealed. In a cooking environment, this prevents fumes or moisture from entering the interior of the barbecue temperature probe 100 through the hollow cylinder 21 and damaging the electronic components within the barbecue temperature probe 100 .

[0060] Referring to FIG. 2 , in one embodiment, the outer peripheral wall of the connecting end 112 is provided with a plurality of annular grooves, and a sealing member is provided in the annular groove. The sealing member is used to seal the inner peripheral wall of the hollow cylinder 21 with the outer peripheral wall of the connecting end 112. The sealing member can be made of a deformable material such as silicone. A slightly larger sealing member is inserted into each annular groove so that the sealing member fills the groove gap and is slightly higher than the groove. During assembly, the hollow cylinder 21 is sleeved outside the groove of the connecting end 112. The sealing member in the groove can fill the gap between the connecting end 112 and the hollow cylinder 21 through its own deformation, thereby isolating external oil smoke or moisture from entering the barbecue temperature probe 100 through the gap between the connecting end 112 and the hollow cylinder 21.

[0061] In one embodiment, the end cover 22 includes a top plate and a connecting column extending from the top plate toward one side. The outer peripheral wall of the connecting column is provided with a snap-fit ​​groove. The connecting column is inserted into the hollow cylinder 21. The snap-fit ​​groove is used to snap-fit ​​with the inner wall surface of the hollow cylinder 21. The snap-fit ​​groove on the connecting column and the shape of the inner wall of the hollow cylinder 21 can limit the end cover 22 in the hollow cylinder 21. If it is necessary to increase the sealing performance, silicone or sealing materials such as glue can be inserted into the gap at the snap-fit ​​groove before inserting the end cover 22 to ensure the sealing performance of the end cover 22.

[0062] In one embodiment, the temperature sensing portion 3 is provided in the middle of the outer wall of the hollow cylinder 21 and the area touched by the user's fingers, so that the temperature detected by the temperature sensing portion 3 is the position where the user grabs when taking out the barbecue temperature probe 100, so as to remind and indicate to the user whether the temperature of the area has dropped to a touchable temperature, thereby preventing the user from grabbing the barbecue temperature probe 100 too early without knowing the temperature of the outer surface of the barbecue temperature probe 100.

[0063] Referring to Figure 5 , in one embodiment, the barbecue temperature probe 100 further includes an RF antenna 5 electrically connected to the temperature sensor 12 . The end cap 22 is provided with a threaded portion 221 . The RF antenna 5 includes a spiral portion 51 that is threadedly connected to the threaded portion 221 of the end cap 22 . To ensure a more stable connection between the RF antenna 5 and the end cap 22 , the RF antenna 5 can be spring-shaped, tubular, or rod-shaped, with no specific limitations. Furthermore, the RF antenna 5 is made of a conductive material such as copper or stainless steel. To ensure a good connection between the RF antenna 5 and the end cap 22 , the spiral portion 51 of the RF antenna 5 preferably has at least two turns. This configuration ensures a stable connection between the RF antenna 5 and the end cap 22, preventing oxidation and poor contact caused by high temperatures.

[0064] Referring to Figure 6 , in one embodiment, the hollow cylindrical body 21 defines a housing chamber 211 having a first opening and a second opening oppositely disposed at either end. The connecting end 112 is sealedly connected to the first opening, and the end cap 22 is sealedly connected to the second opening. The second opening is provided with a waterproof structure 212. In addition to being sealed by a sealing groove and a sealing member, the second opening at one end of the housing chamber 211 is also provided with the waterproof structure 212, further enhancing the waterproof performance of the probe body 11 of the barbecue temperature probe 100, thereby extending the service life of the barbecue temperature probe 100.

[0065] Referring to Figures 6-7, in one embodiment, the waterproof structure 212 includes a reversed protrusion protruding from the inner wall of the accommodating cavity 211. A gap is defined between the reversed protrusion and the inner wall of the accommodating cavity 211, and the end cap 22 is inserted into the gap. By providing the reversed protrusion, even if moisture accidentally enters through the gap between the end cap 22 and the grip portion 2, the reversed protrusion blocks the moisture, limiting it to the bottom of the gap between the reversed protrusion and the accommodating cavity 211 and preventing it from entering the interior of the grip portion 2, thereby extending the service life of the barbecue temperature probe 100. Furthermore, the gap also serves as a guide and limiter, allowing the end cap 22 to follow a predetermined trajectory as it enters the gap and stop when it reaches the bottom.

[0066] In one embodiment, the reverse rib is disposed at one end of the accommodating cavity 211 near the second opening, and the outer diameter of the second reverse rib gradually increases from the second opening toward the accommodating cavity 211. This gradually increasing outer diameter along the opening toward the accommodating cavity 211 allows the end cap 22 to gradually tighten during insertion into the gap between the reverse rib and the inner wall, thereby more securely engaging the end cap 22 in the gap and gradually tightening it during insertion, thereby achieving better waterproof performance.

[0067] Referring to FIG. 8 , in one embodiment, the barbecue temperature probe 100 further includes a metal seal 6 , which is sleeved around the periphery of the connecting end 112 . The metal seal 6 can be deformed under the action of an external force so that its diameter can be adjusted. The metal seal 6 is interference fit with the inner wall of the accommodating cavity 211 to seal the connecting end 112 to the body. The diameter of the metal seal 6 is adjustable, and the connecting end 112 is provided with an annular groove. Before the metal seal 6 is installed into the annular groove, the inner diameter of the metal seal 6 is first adjusted to a size larger than the size of the needle body 11, so that the metal seal 6 can be smoothly penetrated by the needle body 11, and then the inner diameter of the metal seal 6 is reduced to the same as the diameter of the outer wall of the connection, so that the metal seal 6 can be buckled into the connecting end 112; then the holding part 2 is put on the connection of the shell and it is completely covered by the metal seal 6, and at the same time, colloid is filled between the holding part 2 and the connecting end 112, and between the metal seal 6 and the needle body 11, so that the connecting end 112 of the holding part 2 and the needle body 11 can be sealed.

[0068] In one embodiment, the metal seal 6 is configured as a non-enclosed ring with an opening; and / or the metal seal 6 is made of copper. Copper is a ductile and chemically stable metal that can be adjusted into a desired shape by bending and stretching. It is also not susceptible to rusting or significant changes in shape due to long-term exposure to high temperatures and oil smoke, making it a good material for the metal seal 6. Therefore, in this embodiment, a copper sleeve is used as the metal seal 6. An opening is provided in the side wall of the copper sleeve to allow for adjustable diameter, thereby enabling the copper sleeve to adjust its diameter according to the diameter of the needle body 11.

[0069] In one embodiment, the outer diameter of the metal seal 6 gradually decreases from the end closest to the first opening toward the interior of the accommodating cavity 211. The metal seal 6 comprises a sealing body and a rib disposed on the outer periphery of the sealing body. The rib forms an interference fit with the inner wall of the accommodating cavity 211. Multiple ribs are provided, spaced axially along the metal seal 6, with grooves for filling the colloid formed between any adjacent ribs. Positioning the copper sleeve's smaller outer diameter end closer to the grip 2 facilitates insertion of the connecting end 112 through the first opening of the grip 2 after the sleeve is installed. The gradually increasing outer diameter creates a slope on the outer wall of the metal seal 6, making it easier for the grip 2 to follow the slope and securely fit the metal seal 6. The rib is a structure disposed on the outer periphery of the sealing body; it not only prevents the grip 2 from separating from the housing but also prevents liquid or gas from infiltrating the gap between the seal and the accommodating cavity 211, ensuring proper operation of internal components and enhancing the sealing effect. The number, shape, size and distribution of the ribs affect the sealing effect. In practical applications, they can be set according to the specific ambient temperature of the barbecue temperature probe 100.

[0070] Referring to Figures 1-2, in one embodiment, the needle body 11 is provided with a safety line 113 for marking the depth of the needle body 11 inserted into the food; the temperature sensing portion 3 is provided on the side of the needle body 11 outside the safety line 113 near the grip portion 2. The safety line 113 can be a groove or a bump provided on the stainless steel needle body 11, or a color line mark engraved on the needle body 11 using a safe and high-temperature resistant material and provided in the middle and upper part of the needle body 11. When in use, the barbecue temperature probe 100 is inserted into the safety line 113 position to more accurately test the temperature of the food. The temperature sensing portion 3 is arranged close to the safety line 113. When the needle body 11 is inserted into the food to the safety line 113, the temperature of the position sensed by the temperature sensing portion 3 is the temperature of the safety line 113. Since the barbecue temperature probe 100 is only inserted to the safety line 113, the needle body 11 from the safety line 113 to the handle is exposed to the outside of the object to be measured. Therefore, the approximate temperature of the outer surface of the needle body 11 at the safety line 113 can be directly judged by visually observing the state change of the temperature sensing portion 3, thereby inferring the approximate cooking degree inside the object to be measured.

[0071] In one embodiment, the temperature sensing portion 3 is coated with a temperature-sensitive color-changing coating, which can change color as the temperature changes. In this embodiment, the temperature-sensitive color-changing coating can become darker as the temperature rises, and when the temperature drops, the color gradually returns to its original color. A certain color depth range is set as a touchable temperature range, and the user can intuitively judge the temperature of the outer surface of the barbecue temperature probe 100 at this time by the depth of the color.

[0072] In one embodiment, the device further includes a control module and a battery module for powering the device. The control module is electrically connected to the temperature sensor 12, and the battery module is electrically connected to the control module and the temperature sensor 12. The temperature information of the needle body 11 sensed by the temperature sensor 12 is transmitted to the control module via an electrical signal, and the control module then transmits the signal to an external wireless device, so that the user can know the specific temperature value of the object to be measured. The battery module supplies power to the control module to ensure that the barbecue temperature probe 100 can continue to work throughout the cooking process and transmit the temperature information of the object to be measured to the user.

[0073] In one embodiment, the barbecue temperature probe 100 further includes a temperature sensor and a helical antenna 7. The temperature sensor is disposed within the needle body 11 and extends along the needle body 11. The helical antenna 7 comprises an antenna body 71 extending along the needle body 11 and a helical structure 72 disposed in the middle of the antenna body 71. The helical structure 72 surrounds the temperature sensor. A flattened antenna is wound around any point in the middle of the antenna body 71, with the antenna body 71 then spirally wound a predetermined number of times with the same diameter in a first direction. The antenna body 71 then continues extending in the first direction, forming a helical antenna section in the middle of the antenna body 71. The center of this antenna section is hollowed out to accommodate the temperature sensor. The coiled diameter of the helical section can be determined based on the size of the desired temperature sensor, ensuring smooth insertion without falling out. The helical structure 72 can also be adjusted in length by telescoping to accommodate various spatial structures. At least one spiral structure 72 is provided, or multiple spiral structures 72 may be provided depending on the length of the temperature sensing element to further secure the temperature sensing element and the spiral antenna 7. The temperature sensing element is a thermocouple, a commonly used temperature measuring element in temperature measuring instruments. Thermocouples can directly measure temperature and convert the temperature signal into a thermoelectromotive force signal. This signal is then processed by a circuit board and fed back to an electronic terminal via radio, allowing the user to obtain the temperature information. Thermocouples are widely used in temperature measurement and have many advantages, including simple structure, easy manufacturing, a wide measurement range, high accuracy, low inertia, and convenient remote transmission of output signals. Furthermore, because thermocouples are passive sensors, they can transmit temperature information without the need for an external power source, making them very convenient to use. The temperature sensing element is used to sense the ambient temperature and transmit this temperature information to the circuit board. The temperature sensing element can be coaxially arranged and fixed to the spiral antenna 7 by the winding of the spiral structure 72 in the spiral antenna 7, eliminating the need for additional fasteners made of high-temperature-resistant materials, thus saving material and assembly costs.

[0074] Referring to FIG9 , in one embodiment, a plurality of spiral structures 72 are arranged at intervals along the extension direction of the needle body 11, and the plurality of spiral structures 72 are coaxially arranged. The spiral structure 72 includes at least one spiral segment arranged along the extension direction of the needle body 11. The number of spiral structures 72 can be increased or decreased according to the length or center of gravity position of the enclosed temperature sensing component to improve the stability of the temperature sensing component and the spiral structure 72, and to prevent the temperature sensing component from being separated from the antenna and falling out during use. The number of turns of the spiral segment can also be increased or decreased according to the length, mass or shape of the temperature sensing component being wound. When the number of winding turns increases, the structural stability of the temperature sensing component and the spiral antenna 7 can be enhanced, and when the number of winding turns decreases, the side length of the spiral antenna 7 can be reduced, thereby reducing material loss, saving costs and increasing economic benefits.

[0075] In one embodiment, the helical antenna 7 further includes a first connecting portion disposed at one end of the antenna body 71. The barbecue temperature probe 100 further includes a circuit board disposed within the housing, with the first connecting portion being connected to the circuit board. The first connecting portion is configured to be removably or fixedly connected to a corresponding connecting structure on the circuit board to secure the helical antenna 7 to the circuit board, thereby preventing the helical antenna 7 from becoming disconnected from the circuit board and thus preventing temperature measurement from being impossible. The circuit board is configured to process information from the external environment, convert it into an electrical signal, and transmit it to an external electronic terminal, enabling users to remotely monitor the temperature via electronic devices such as mobile phones, thereby enhancing the convenience of the barbecue temperature probe 100.

[0076] The above description is merely an optional embodiment of the present application and does not limit the patent scope of the present application. Any equivalent structural transformation made by using the contents of the present application specification and drawings under the technical concept of the present application, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present application.

Claims

1. A barbecue temperature probe, wherein: The barbecue temperature probe comprises: The measuring part comprises a needle body and a temperature sensor, wherein the temperature sensor is fixedly installed in the needle body and is used to convert the needle body temperature signal into an electrical signal; a gripping portion, fixedly connected to one end of the measuring portion; and The temperature sensing portion is arranged on the outer surface of the measuring portion and / or the holding portion, and is used to sense the outer surface temperature of the barbecue temperature probe and change its own morphological characteristics as the temperature changes.

2. The barbecue temperature probe according to claim 1, wherein: The needle body includes a middle tube body and a tip and a connecting end arranged at two ends of the middle tube body. The diameter of the tip gradually decreases from the middle tube body toward the connecting end, and the connecting end is used for fixedly connecting the gripping part.

3. The barbecue temperature probe according to claim 1, wherein: The barbecue temperature probe further comprises a conductive member, which is arranged at one end of the holding portion close to the needle body, and the temperature sensor is electrically connected to the conductive member so that the conductive member is suitable for being used as a charging electrode.

4. The barbecue temperature probe according to claim 2, wherein: The gripping portion comprises a hollow cylinder and an end cover, wherein the end cover is sealingly arranged at an opening of one end of the hollow cylinder, and an end of the hollow cylinder away from the end cover is sleeved on the outer side of the connecting end.

5. The barbecue temperature probe according to claim 4, wherein: The outer peripheral wall of the connecting end is provided with a plurality of annular grooves, and a sealing member is provided in the annular groove. The sealing member is used for sealingly connecting the inner peripheral wall of the hollow cylinder with the outer peripheral wall of the connecting end.

6. The barbecue temperature probe according to claim 4, wherein: The end cover includes a top plate and a connecting column extending from the top plate toward one side, the outer peripheral wall of the connecting column is provided with a snap-fitting groove, the connecting column is inserted into the hollow cylinder, and the snap-fitting groove is used to snap-fit ​​with the inner wall surface of the hollow cylinder.

7. The barbecue temperature probe according to claim 4, wherein: The temperature sensing portion is arranged in the middle of the outer wall of the hollow cylinder and in an area touched by the user's fingers.

8. The barbecue temperature probe according to claim 4, wherein: The barbecue temperature probe further includes a radio frequency antenna electrically connected to the temperature sensor. The end cover is provided with a threaded portion. The radio frequency antenna includes a spiral portion, and the spiral portion is threadedly connected to the threaded portion of the end cover.

9. The barbecue temperature probe according to claim 4, wherein: The hollow cylinder is provided with a accommodating cavity, and the accommodating cavity has a first opening and a second opening which are arranged at two opposite ends. The connecting end is sealed and connected to the first opening, and the end cover is sealed and connected to the second opening. The second opening is provided with a waterproof structure.

10. The barbecue temperature probe according to claim 9, wherein: The waterproof structure comprises an inverted insert protruding from the inner wall of the accommodating cavity, a gap is provided between the inverted insert and the inner wall of the accommodating cavity, and the end cover is inserted in the gap.

11. The barbecue temperature probe according to claim 10, wherein: The reverse insert is arranged at one end of the accommodating cavity close to the second opening, and the outer diameter of the second reverse insert gradually increases from the second opening toward the accommodating cavity.

12. The barbecue temperature probe according to claim 10, wherein: The barbecue temperature probe also includes a metal seal, which is sleeved on the periphery of the connecting end and can be deformed under the action of external force so that its diameter can be adjusted; the metal seal is interference fit with the inner wall of the accommodating cavity to seal the connecting part and the body.

13. The barbecue temperature probe according to claim 12, wherein: The metal seal is arranged in a non-closed ring shape with an opening; And / or, the metal seal is made of copper.

14. The barbecue temperature probe according to claim 12, wherein: The outer diameter of the metal seal gradually decreases from one end close to the first opening toward the inside of the accommodating cavity. The metal seal includes a sealing body and a convex rib arranged on the outer periphery of the sealing body, and the convex rib is interference fit with the inner wall of the accommodating cavity; there are multiple convex ribs, and the multiple convex ribs are arranged at intervals along the axial direction of the metal seal, and a groove for filling the colloid is formed between any adjacent convex ribs.

15. The barbecue temperature probe according to claim 1, wherein: The needle body is provided with a safety line for marking the depth of the needle body inserted into the food; the temperature sensing part is arranged on one side of the needle body outside the safety line and close to the holding part.

16. The barbecue temperature probe according to claim 1, wherein: The temperature sensing portion is coated with a temperature-sensitive color-changing coating, and the temperature-sensitive color-changing coating can change color as the temperature changes.

17. The barbecue temperature probe according to claim 1, wherein: It also includes a control module and a battery module for power supply, the control module is electrically connected to the temperature sensor, and the battery module is electrically connected to the control module and the temperature sensor.

18. The barbecue temperature probe according to claim 1, wherein: The barbecue temperature probe also includes a temperature sensing component and a spiral antenna. The temperature sensing component is arranged in the needle body and along the extension direction of the needle body. The spiral antenna is arranged in the needle body. The spiral antenna includes an antenna body arranged along the extension direction of the needle body, and a spiral structure arranged in the middle section of the antenna body. The spiral structure is arranged around the periphery of the temperature sensing component.

19. The barbecue temperature probe according to claim 18, wherein: A plurality of the spiral structures are arranged at intervals along the extension direction of the needle body, and the plurality of the spiral structures are coaxially arranged. The spiral structure includes at least one circle of spiral segments arranged along the extension direction of the needle body.

20. The barbecue temperature probe of claim 18, wherein: The helical antenna further includes a first connecting portion arranged at one end of the antenna body, and the barbecue temperature probe further includes a circuit board arranged in the shell, and the first connecting portion is connected to the circuit board.

Images