Multi-probe intelligent food temperature detection device
The multi-probe intelligent food temperature detection device addresses inaccuracies by using a suspended control board, elastic members, and wireless signal transmission to maintain stable temperature readings and enhance safety and efficiency in cooking environments.
Patent Information
- Application Number
- CN202420825577.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-20
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-20
AI Technical Summary
Existing food thermometers face inaccuracies due to high temperatures affecting circuit components during food detection, leading to deviations in temperature readings.
A multi-probe intelligent food temperature detection device with a design featuring a first control board suspended in a main body, elastic members, connecting members, and charging contacts, along with a radio frequency module for wireless signal transmission, an antistatic cover, and a waterproof rubber ring to protect electronic components from heat and interference.
Ensures stable temperature readings by reducing heat transfer and electromagnetic interference, enhancing waterproof performance, and providing a reliable, efficient, and safe cooking experience with timely reminders.
Smart Images
Figure CN222166355U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of food temperature detection, in particular to a multi-probe intelligent food temperature detection device. Background Art
[0002] With the improvement of living standards, people's requirements for food are getting higher and higher. The temperature of food is closely related to its taste and nutrition. Every kind of food people taste in their lives tastes best at a specific temperature. When grilling and cooking, in order to ensure that the food has a good taste, the temperature of the food needs to be detected in real time. The food thermometer is a thermometer developed to improve people's healthy living standards. When the thermometer is used to detect the cooking temperature of food, since the cooked food is at a higher temperature, when the thermometer is inserted into the cooking food, the temperature of the food and the heating environment will increase the temperature of the thermometer. The high temperature will affect the circuit components inside the thermometer, resulting in deviations in the actual detected temperature and inaccurate detection. Utility Model Content
[0003] The utility model aims to solve the shortcomings of the prior art and proposes a multi-probe intelligent food temperature detection device.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A multi-probe intelligent food temperature detection device, characterized in that it includes a main body and a charging seat; a first control board is arranged in the main body, and the first control board is suspended in the main body; an elastic member and a connecting member are arranged on the first control board, and the elastic members are respectively placed on both sides of the first control board and are in conflict with the inner wall of the main body; the connecting member is placed at the end of the first control board, and the main body is provided with a tightening part located on one side of the connecting member, and the tightening part is threadedly connected to the main body; a metal contact is arranged on the tightening part, and the connecting member is in conflict with the metal contact; the main body is placed on the charging seat, and the charging seat is provided with a positive charging contact and a negative charging contact, the first control board is in contact with the positive charging contact through the connecting member, and the first control board is in contact with the negative charging contact through the elastic member.
[0006] Preferably, the elastic member includes a base and a spring sheet; the base is placed on the first control board, one end of the spring sheet is connected to the base, and the other end of the spring sheet is in contact with the inner wall of the main body.
[0007] Preferably, the connector is sleeved on the first control board and contacts the metal contact.
[0008] Preferably, a detection circuit is provided on the first control board, and the detection circuit is close to the elastic member and is used to detect the temperature of the elastic member.
[0009] Preferably, a coaxial communication line and a radio frequency module are provided on the first control board, one end of the coaxial communication line is in contact and connected with the connector, and the other end of the coaxial communication line is connected to the radio frequency module; the coaxial communication line is electrically connected to the radio frequency module through an isolation magnetic bead; the radio frequency module sends wireless signals to the outside of the main body through the coaxial communication line, the connector and the metal contact.
[0010] Preferably, an antistatic cover is also provided on the first control panel.
[0011] Preferably, a waterproof rubber ring is sleeved on the tightening portion.
[0012] Preferably, one end of the first control board is also connected to a capacitor, and a spring is provided on one side of the capacitor, one end of the spring is in contact with the inner wall of the main body, and the other end of the spring is in contact with the capacitor.
[0013] Preferably, a groove is provided on the charging seat, and the positive charging contact and the negative charging contact are placed in the groove; the negative charging contacts are respectively a negative charging contact and a positive charging contact, the negative charging contact is in contact with the outer wall of the main body, and the positive charging contact is in contact with the tightening part; a second control board is provided in the charging seat, and the negative charging contact and the positive charging contact are both electrically connected to the second control board.
[0014] Preferably, the charging base is provided with a display screen, a USB interface and a plurality of buttons, and the display screen, the USB interface and the plurality of buttons are all electrically connected to the second control panel.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] The utility model designs a multi-probe intelligent food temperature detection device, wherein an elastic member contacts with an inner wall of a main body, and a negative charging contact contacts with an outer wall of the main body; a second control board supplies power to the negative charging contact, and the negative charging contact supplies power to the first control board through the main body and the elastic member; a connecting member is sleeved on the first control board and contacts with a metal contact; a positive charging contact contacts with a screw-tightening portion, and the second control board supplies power to the positive charging contact, and the positive charging contact supplies power to the first control board through the screw-tightening portion and the connecting member; when the temperature sensor is in a charging state, the charging current enters the first control board through the connecting member and the elastic member to realize charging; when the temperature sensor is in a detection communication state, the radio frequency module sends the detected temperature data to the connecting member through an isolation magnetic bead through a coaxial communication line in the form of a wireless signal, and sends it to the outside in a radio manner through the connecting member and a wireless communication antenna; an antistatic cover is used to isolate the electronic components on the first control board from the surrounding environment to prevent static electricity from being generated or spread; and a shielding layer is provided to reduce external electromagnetic interference and electric field interference to ensure the normal operation of electronic equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0018] Figure 1 It is a schematic diagram of the structure proposed by the utility model;
[0019] Figure 2 It is a schematic diagram of the structure of the main body proposed by the utility model;
[0020] Figure 3 A cross-sectional view of the main body of the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the charging base proposed by the utility model;
[0022] Figure 5 This is a schematic structural diagram of the charging stand provided by the utility model from another angle;
[0023] Figure 6 This is a schematic structural diagram of the main body in an embodiment of the present utility model;
[0024] Figure 7 This is a schematic diagram of the structure of the elastic member proposed in the utility model;
[0025] Figure 8 This is a schematic diagram of the structure of the waterproof rubber ring proposed by the utility model;
[0026] Fig. 9 This is a schematic diagram of the structure of the negative electrode charging contact proposed by the utility model;
[0027] Fig.10 This is a schematic diagram of the structure of the positive charging contact proposed by the utility model;
[0028] Fig.11 A circuit diagram showing the connection between the first digital pulse temperature measurement circuit, the second digital pulse temperature measurement circuit and the charging isolation circuit on the first control board proposed by the utility model;
[0029] Fig.12 A circuit diagram of a battery charge and discharge management circuit and an electronic switch circuit on a first control board proposed by the utility model;
[0030] Fig.13 This is a circuit diagram of a Bluetooth relay signal forwarding chip on the second control board proposed by the utility model;
[0031] Fig.14 The utility model discloses a circuit diagram of a power management circuit, a digital display control circuit and an alarm circuit on a second control board.
[0032] Legend:
[0033] 1. Main body, 2. Charging seat, 3. First control board, 4. Elastic member, 5. Connector, 6. Tightening part, 7. Capacitor, 8. Spring, 21. Positive charging contact, 22. Negative charging contact, 23. Groove, 24. Display screen, 25. USB interface, 26. Button, 31. Antistatic cover, 41. Base, 42. Shrapnel, 61. Metal contact, 62. Waterproof rubber ring; S1. First digital pulse temperature measurement circuit, S2. Second digital pulse temperature measurement circuit, S3. Charging isolation circuit, S4. Battery charge and discharge management circuit, S5. Electronic switch circuit, S7. Power management circuit, S8. Digital display control circuit, S9. Alarm circuit. DETAILED DESCRIPTION
[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first", "second", and "third" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more than two; in addition, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0036] Reference Figures 1 to 14 As shown, a multi-probe intelligent food temperature detection device includes a main body 1 and a charging seat 2; a first control board 3 is arranged in the main body 1, and the first control board 3 is suspended in the main body 1; an elastic member 4 and a connecting member 5 are arranged on the first control board 3, and the elastic members 4 are respectively arranged on both sides of the first control board 3 and conflict with the inner wall of the main body 1; the elastic members 4 are respectively arranged on both sides of the first control board 3 and conflict with the inner wall of the main body 1; the connecting member 5 is arranged at the end of the first control board 3, and the main body 1 is provided with a tightening part 6 on one side of the connecting member 5, and the tightening part 6 is threadedly connected to the main body 1; a metal contact 61 is arranged on the tightening part 6, and the connecting member 5 is connected to the metal contact 61 conflicts with each other; it not only ensures the reliability of conductivity, but also fundamentally solves the problem of antenna length change caused by change of ejector pin pressure, thereby significantly improving the overall performance of the antenna; the main body 1 is placed on the charging base 2, and the charging base 2 is provided with a positive charging contact 21 and a negative charging contact 22, the first control board 3 contacts with the positive charging contact 21 through the connecting piece 5, and the first control board 3 contacts with the negative charging contact 22 through the elastic piece 4 for charging; it not only greatly reduces the risk of jamming caused by improper assembly, thereby avoiding the problem of poor contact of the negative pole, but also makes the subsequent repair and replacement process simpler and more efficient.
[0037] The elastic member 4 includes a base 41 and a spring 42; the base 41 is placed on the first control board 3, one end of the spring 42 is connected to the base 41, and the other end of the spring 42 is in conflict with the inner wall of the main body 1; the elastic member 4 is in conflict with the inner wall of the main body 1, and the negative charging contact 22 is in contact with the outer wall of the main body 1; the second control board supplies power to the negative charging contact 22, and the negative charging contact 22 supplies power to the first control board 3 through the main body 1 and the elastic member 4; the connecting member 5 is sleeved on the first control board 3 and in conflict with the metal contact 61; the positive charging The electrical contact 21 is in conflict with the tightening part 6, and the second control board supplies power to the positive charging contact 21, and the positive charging contact 21 supplies power to the first control board 3 through the tightening part 6 and the connecting piece 5; one end of the main body 1 is made of ceramic material, and the connecting piece 5 for sending wireless signals is wrapped by the ceramic material. The temperature of the connecting piece 5 is greatly reduced, and the internal resistance of the connecting piece 5 can be in a relatively stable state, thereby ensuring the stability of the circuit parameters of the wireless signal transmission; the other end of the main body 1 is made of metal, and the connection between the two ends of the main body 1 is insulated.
[0038] A detection circuit is provided on the first control board 3, and the detection circuit is close to the elastic member 4, and is used to detect the temperature on the elastic member 4; a first digital pulse temperature measurement circuit S1, a second digital pulse temperature measurement circuit S2, a charging isolation circuit S3, a battery charge and discharge management circuit S4 and an electronic switch circuit S5 are also provided on the first control board. A coaxial communication line and a radio frequency module are provided on the first control board 3, one end of the coaxial communication line is in contact with and connected to the connector 5, and the other end of the coaxial communication line is connected to the radio frequency module; the coaxial communication line is electrically connected to the radio frequency module through an isolation magnetic bead; the radio frequency module sends a wireless signal to the outside of the temperature sensor through the coaxial communication line, the connector 5 and the metal contact 61; the radio frequency module sends a wireless signal to the outside of the temperature sensor through the coaxial communication line, the connector 5 and the metal contact 61, and the ceramic material is used to reduce the heat transfer from the metal material on the main body 1. The connector 5 is used to reduce the heat transfer from the metal contact 61, so that the coaxial communication line and the radio frequency module are protected from the influence of temperature and send a stable wireless signal; the coaxial communication line isolates the radio frequency module through the isolation beads; when the temperature sensor is in the charging state, the charging current passes through the connector 5 and the isolation beads into the first control board 3 to achieve charging; when the temperature sensor is in the detection communication state, the radio frequency module sends the detected temperature data to the connector 5 through the isolation beads via the coaxial communication line in the form of a wireless signal, and sends it to the outside in a radio manner through the connector 5 and the wireless communication antenna; the wireless communication antenna can be used as both a charging line and an antenna for sending wireless signals, and can ensure that the charging signal and the wireless signal on the radio frequency module are independent of each other, with a novel design and a simple structure, which can be beneficial to the miniaturization of the first control board 3 and save costs.
[0039] The first control board 3 is also provided with an antistatic cover 31, which isolates the electronic components on the first control board 3 from the surrounding environment to prevent the generation or spread of static electricity; and provides a shielding layer to reduce external electromagnetic interference and electric field interference to ensure the normal operation of the electronic equipment; the protection range of the antistatic cover 31 has been significantly improved from the original 2000V-4000V to 8000V-16000V, ensuring that the accumulation and release of static electricity can be effectively suppressed in a complex barbecue environment; not only the safety of the barbecue process is enhanced, but also the potential harm of static electricity to the equipment and human body is greatly reduced; a waterproof rubber ring 62 is sleeved on the tightening part 6, through which the tightening part 6 is more tightly connected to the main body 1, and the water vapor outside the main body 1 is prevented from entering the inside of the main body 1; the waterproof performance in a high temperature environment is particularly enhanced to ensure that it meets the IP68 waterproof standard; this improvement enables the waterproof rubber ring 62 to perfectly cope with the harsh use environment of automatic equipment such as dishwashers, providing users with a more reliable and secure use experience.
[0040] One end of the first control board 3 is also connected to a capacitor 7, and a spring 8 is provided on one side of the capacitor 7. One end of the spring 8 is in contact with the inner wall of the main body 1, and the other end of the spring 8 is in contact with the capacitor 7; the capacitor 7 is used to supply power to the first control board. By pressing the spring, the spring 8 pops one end of the first control board 3 out of the main body 1, making it convenient for the user to take the first control board 3 out of the main body 1.
[0041] In another specific embodiment, Figure 8 As shown, the end of the main body 1 is also surrounded by a hexagonal grip, and the length of the main body 1 is shorter, so that the temperature change can be sensed faster and the temperature measurement effect is better; the diameter of the needle body is reduced, and the multi-probe temperature measurement function is further optimized; it ensures multi-point accurate temperature measurement in the same piece of meat, laying a solid foundation for the three-dimensional temperature display inside the barbecue in the future; at the same time, we have also made a preliminary design for the timely flipping reminder function of the steak, which further enhances the user experience.
[0042] A groove 23 is provided on the charging seat 2, and the positive charging contact 21 and the negative charging contact 22 are placed in the groove 23; the negative charging contact 22 is respectively the first charging contact and the second charging contact, which are used to detect the position status of the probe; the negative charging contact 22 is in contact with the outer wall of the main body 1, and the positive charging contact 21 is in contact with the tightening part 6; a second control board is provided in the charging seat 2, and the negative charging contact 22 and the positive charging contact 21 are both electrically connected to the second control board; the main body 1 is placed in the groove 23, the temperature sensor is turned off, and charging is carried out; the negative charging contact 21 limits the main body 1 and conflicts with the outer wall of the main body 1, and the positive charging contact 22 conflicts with the tightening part 6; the second control board is also provided with a power management circuit S7, a digital display control circuit S8, an alarm circuit S9 and a Bluetooth relay signal forwarding chip circuit; the second control board controls the negative charging contact 22 and the positive charging contact 21 to charge the temperature sensor, and when charging, the base 2 blue The Bluetooth of the tooth and the main body 1 is automatically turned off, and the charging current flows into the first control board 3 of the main body 1 through the connecting piece 5 and the elastic piece 4, and the power is automatically cut off when the power is full; when the needle is taken out after charging is completed, the base 2 and the probe are automatically turned on synchronously without manual operation; when charging is completed, the main body 1 is taken out of the groove 23, and the main body 1 is turned on and enters the working state; a display screen 24, a USB interface 25 and a plurality of buttons 26 are provided on the charging base 2, and the display screen 24, the USB interface 25 and the plurality of buttons 26 are all electrically connected to the second control board; when the main body is placed on the charging base for charging, an external power supply is connected through the USB interface 25 to power the battery of the second control board; the display screen 24 displays the power of the charging base 2 and the power and detection data of the main body 1 in real time, and a charging signal light is provided on the charging base 2. When the charging base 2 is powered on, the red light flashes to indicate that the power is turned on; the working state of the charging base 2 can be controlled by a plurality of buttons 26.
[0043] Since the long-term display of the mobile phone APP in the foreground will cause the screen to consume a lot of power, and there may be problems with alarm delays or even no alarm when the APP is running in the background, we have made innovative designs based on the original relay-integrated forwarding base to address this pain point, adding display and alarm functions. In actual applications, the mobile phone APP still maintains the original monitoring function, and the base has added a simple probe information display and allows users to set alarm parameters. In this way, no matter what the situation, we can ensure that customers are reminded of the cooking status in a timely manner, bringing customers a more convenient and safe cooking experience.
[0044] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0045] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A multi-probe intelligent food temperature detection device, It is characterized in that It includes a main body and a charging seat; a first control board is arranged in the main body, and the first control board is suspended in the main body; an elastic member and a connecting member are arranged on the first control board, and the elastic members are respectively arranged on both sides of the first control board and are in conflict with the inner wall of the main body; the connecting member is placed at the end of the first control board, and the main body is provided with a tightening part on one side of the connecting member, and the tightening part is threadedly connected to the main body; a metal contact is arranged on the tightening part, and the connecting member is in conflict with the metal contact; the main body is placed on the charging seat, and the charging seat is provided with a positive charging contact and a negative charging contact, the first control board is in contact with the positive charging contact through the connecting member, and the first control board is in contact with the negative charging contact through the elastic member.
2. According to claim 1, a multi-probe intelligent food temperature detection device, It is characterized in that The elastic member includes a base and a spring sheet; the base is placed on the first control board, one end of the spring sheet is connected to the base, and the other end of the spring sheet is in contact with the inner wall of the main body.
3. According to claim 2, a multi-probe intelligent food temperature detection device, It is characterized in that The connecting piece is sleeved on the first control board and contacts the metal contact.
4. According to claim 2, a multi-probe intelligent food temperature detection device, It is characterized in that The first control board is provided with a detection circuit, which is close to the elastic member and is used to detect the temperature of the elastic member.
5. According to claim 1, a multi-probe intelligent food temperature detection device, It is characterized in that A coaxial communication line and a radio frequency module are provided on the first control board, one end of the coaxial communication line is in contact with and connected to the connector, and the other end of the coaxial communication line is connected to the radio frequency module; the coaxial communication line is electrically connected to the radio frequency module through an isolation magnetic bead; the radio frequency module sends wireless signals to the outside of the main body through the coaxial communication line, the connector and the metal contact.
6. According to claim 1, a multi-probe intelligent food temperature detection device, It is characterized in that The first control panel is also provided with an antistatic cover.
7. According to claim 1, a multi-probe intelligent food temperature detection device, It is characterized in that The screw-on part is sleeved with a waterproof rubber ring.
8. According to claim 1, a multi-probe intelligent food temperature detection device, It is characterized in that One end of the first control board is also connected to a capacitor, one side of the capacitor is provided with a spring, one end of the spring is in contact with the inner wall of the main body, and the other end of the spring is in contact with the capacitor.
9. The multi-probe intelligent food temperature detection device according to claim 1, It is characterized in that A groove is provided on the charging seat, and the positive charging contact and the negative charging contact are placed in the groove; the negative charging contact is respectively a first charging contact and a second charging contact, the negative charging contact is in contact with the outer wall of the main body, and the positive charging contact is in contact with the tightening part; a second control board is provided in the charging seat, and the negative charging contact and the positive charging contact are both electrically connected to the second control board.
10. A multi-probe intelligent food temperature detection device according to claim 9, It is characterized in that The charging base is provided with a display screen, a USB interface and a plurality of buttons, and the display screen, the USB interface and the plurality of buttons are all electrically connected to the second control panel.