Food temperature probe

Abstract

The invention discloses a food temperature probe which comprises a shell assembly and a circuit board assembly, the circuit board assembly is arranged in the shell assembly, and the circuit board assembly comprises a circuit board, an onboard antenna, a temperature measuring piece and a charging piece. The onboard antenna, the temperature measuring piece and the charging piece are all arranged on the circuit board, the onboard antenna is used for receiving and transmitting signals, the temperature measuring piece is used for detecting temperature, and the charging piece is used for charging a battery installed in the shell assembly. As the onboard antenna, the temperature measuring piece and the charging piece are all arranged on the circuit board, compared with the prior art, a copper pipe antenna and a spring antenna are not needed, the temperature measuring piece does not need to be arranged on the antenna or the charging piece does not need to be connected with the antenna, and therefore the situation that the antenna transmission efficiency is affected and the wireless transmission distance is reduced due to the arrangement mode can be avoided; and the process for assembling and processing the food temperature probe is simplified, so that the cost is reduced.

Description

Technical Field

[0001] This application relates to the technical field of cooking auxiliary equipment, specifically to a food temperature probe. Background Technology

[0002] A food temperature probe is an auxiliary tool used in cooking to measure the temperature of food, thereby helping chefs control the quality of food cooking. Especially when baking food, the measuring head of the food temperature probe is inserted into the center of the food, and at the same time, parameters such as oven temperature and baking time are referenced to more accurately judge the degree of doneness of the food, while ensuring the tender taste of the food.

[0003] Currently available wireless food temperature probes typically consist of a circuit board, antenna, temperature sensor, and charging contacts. The antenna is mostly a copper tube antenna or a spring antenna, soldered onto the circuit board. The temperature sensor is placed at the center of the antenna and connected to the circuit board via soldering. Some solutions place the charging contacts on one side of the circuit board, while others connect the antenna directly to the charging contacts. The temperature sensors used in food temperature probes are mostly NTC and / or thermocouples, providing temperature information to the circuit board via electrical signals. However, improper matching of the temperature sensor's placement at the center of the antenna can alter parasitic parameters, leading to changes in impedance, a shift in the antenna's resonant point, and negatively impacting RF performance. Connecting the antenna directly to the charging contacts also introduces interference to the electrical signal, resulting in decreased RF performance. Therefore, existing food temperature probe designs negatively affect antenna transmission efficiency, reduce wireless transmission distance, and complicate the assembly and manufacturing process, leading to higher costs. Summary of the Invention

[0004] The main technical problem solved by this invention is that the existing food temperature probe scheme will affect the antenna transmission efficiency, resulting in a decrease in wireless transmission distance, and will also lead to complex assembly and processing of food temperature probes, resulting in high cost.

[0005] One embodiment provides a food temperature probe, comprising:

[0006] Housing components;

[0007] The circuit board assembly is disposed within the housing assembly and includes a circuit board, an onboard antenna, a temperature sensing element, and a charging element.

[0008] The onboard antenna, the temperature measuring element, and the charging element are all mounted on the circuit board. The onboard antenna is used to receive and transmit signals, the temperature measuring element is used to detect temperature, and the charging element is used to charge the battery installed inside the housing assembly.

[0009] In one embodiment, the circuit board has a first end and a second end disposed opposite to each other, and the onboard antenna, the temperature measuring element and the charging element are arranged in a straight line from the first end to the second end.

[0010] In one embodiment, the charging component includes a first charging component and a second charging component, wherein one of the first charging component and the second charging component serves as a positive charging electrode and the other serves as a negative charging electrode;

[0011] The first charging component is located at the first end of the circuit board, the onboard antenna is located in the middle of the circuit board, the temperature measuring component is located between the first charging component and the onboard antenna, and the second charging component is located at the end of the onboard antenna away from the temperature measuring component.

[0012] Alternatively, the first charging component is located at the first end of the circuit board, the onboard antenna is located in the middle of the circuit board, the temperature measuring component is located at the end of the first charging component away from the onboard antenna, and the second charging component is located at the end of the onboard antenna away from the first charging component.

[0013] In one embodiment, the housing assembly includes a first housing, a partition, and a second housing. One end of the partition is connected to the first housing, and the other end is connected to the second housing. The first housing, the partition, and the second housing together enclose the housing. At least a portion of the partition is exposed on the outer surface of the housing assembly, separating the first housing and the second housing.

[0014] The circuit board has a first end and a second end that are disposed opposite to each other, and the charging component includes a first charging component and a second charging component; the first end of the circuit board, the first charging component and the temperature measuring component are located inside the first housing, and the second end of the circuit board and the second charging component are located inside the second housing.

[0015] In one embodiment, both the first housing and the second housing are made of conductive material, and the separator is made of insulating material; the first charging component is conductively connected to the first housing, and the second charging component is conductively connected to the second housing; the first charging component and the second charging component are used to charge the battery installed in the housing assembly when the circuit is turned on.

[0016] In one embodiment, the first charging element and the second charging element are configured as charging pads and / or charging springs made of conductive materials.

[0017] In one embodiment, at least a portion of the onboard antenna is located within the spacer, the spacer being configured as an unshielded material to allow the signal to travel between the inside and outside of the housing assembly.

[0018] In one embodiment, the onboard antenna, the temperature measuring element, and the charging element are all independently disposed on the circuit board without being connected to each other.

[0019] In one embodiment, the circuit board has a mounting portion with a clearance groove; the temperature measuring element has bent pins connected to the mounting portion, and at least a portion of the temperature measuring element is located within the clearance groove.

[0020] In one embodiment, a battery is further included, the battery being disposed within the housing assembly and electrically connected to the circuit board assembly, the battery being used to supply power to the circuit board assembly.

[0021] According to the food temperature probe of the above embodiment, the food temperature probe includes a housing assembly and a circuit board assembly. The circuit board assembly is disposed within the housing assembly and includes a circuit board, an onboard antenna, a temperature measuring element, and a charging element. The onboard antenna, temperature measuring element, and charging element are all disposed on the circuit board. The onboard antenna is used to receive and transmit signals, the temperature measuring element is used to detect temperature, and the charging element is used to charge a battery installed in the housing assembly. Since the onboard antenna, temperature measuring element, and charging element are all disposed on the circuit board, compared with the prior art, there is no need to use copper tube antennas and spring antennas, nor is it necessary to place the temperature measuring element on the antenna or connect the charging element to the antenna. This avoids the impact of such a configuration on antenna transmission efficiency and the reduction in wireless transmission distance, and also simplifies the assembly and processing technology of the food temperature probe, thereby reducing costs. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of a food temperature probe in one embodiment of this application;

[0023] Figure 2 This is a cross-sectional schematic diagram of a food temperature probe in one embodiment of this application;

[0024] Figure 3 This is a schematic diagram of the circuit board assembly and battery in one embodiment of this application;

[0025] Reference numerals: 100, housing assembly; 110, first housing; 120, separator; 130, second housing; 200, circuit board assembly; 210, circuit board; 211, first end; 212, second end; 213, mounting part; 214, clearance slot; 220, onboard antenna; 230, temperature measuring element; 231, pin; 240, charging element; 241, first charging element; 242, second charging element; 300, battery. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings. Similar elements in different embodiments are referred to by associated similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of this application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to this application are not shown or described in the specification. This is to avoid obscuring the core parts of this application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0027] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments. At the same time, the steps or actions in the method description can be rearranged or adjusted in a manner obvious to those skilled in the art. Therefore, the various orders in the specification and drawings are only for the clear description of a particular embodiment and do not imply a necessary order, unless otherwise stated that a particular order must be followed.

[0028] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0029] This embodiment provides a food temperature probe.

[0030] Please refer to Figure 1-3 The food temperature probe includes a housing assembly 100 and a circuit board assembly 200.

[0031] Please continue to refer to this. Figure 1-3 The circuit board assembly 200 is disposed within the housing assembly 100. The circuit board assembly 200 includes a circuit board 210, an onboard antenna 220, a temperature measuring element 230, and a charging element 240. The onboard antenna 220, the temperature measuring element 230, and the charging element 240 are all disposed on the circuit board 210. The onboard antenna 220 is used to receive and transmit signals, the temperature measuring element 230 is used to detect temperature, and the charging element 240 is used to charge the battery 300 installed inside the housing assembly 100.

[0032] Since the onboard antenna 220, temperature measuring element 230 and charging element 240 are all set on the circuit board 210, compared with the prior art, there is no need to use copper tube antenna and spring antenna, nor is it necessary to set the temperature measuring element 230 on the antenna or connect the charging element 240 to the antenna. This avoids the impact of this setting method on antenna transmission efficiency and the reduction of wireless transmission distance, and also helps to simplify the assembly and processing of food temperature probes, thereby reducing costs.

[0033] Please refer to Figure 3 In one embodiment, the circuit board 210 has a first end 211 and a second end 212 disposed opposite to each other, and the onboard antenna 220, temperature measuring element 230 and charging element 240 are arranged in a straight line from the first end 211 to the second end 212.

[0034] The onboard antenna 220, temperature sensing element 230, and charging element 240 are arranged in a straight line from the first end 211 to the second end 212, effectively utilizing the space of the circuit board 210 from the first end 211 to the second end 212. The direction from the first end 211 to the second end 212 on the circuit board 210 is also commonly referred to as the "length direction of the circuit board 210". The straight line arrangement of the onboard antenna 220, temperature sensing element 230, and charging element 240 in this embodiment effectively utilizes the space in the length direction of the circuit board 210, thereby facilitating the manufacture of the circuit board assembly 200 and the housing assembly 100 into a slender shape to meet the needs of daily use scenarios of food temperature probes.

[0035] Please refer to Figure 3 In one embodiment, the charging component 240 includes a first charging component 241 and a second charging component 242, one of which serves as a positive charging electrode and the other as a negative charging electrode. The first charging component 241 is located at the first end 211 of the circuit board 210, the onboard antenna 220 is located in the middle of the circuit board 210, the temperature measuring component 230 is located between the first charging component 241 and the onboard antenna 220, and the second charging component 242 is located at the end of the onboard antenna 220 away from the temperature measuring component 230. Alternatively, the first charging component 241 is located at the first end 211 of the circuit board 210, the onboard antenna 220 is located in the middle of the circuit board 210, the temperature measuring component 230 is located at the end of the first charging component 241 away from the onboard antenna 220, and the second charging component 242 is located at the end of the onboard antenna 220 away from the first charging component 241.

[0036] On one hand, the first charging component 241 and the second charging component 242 can be electrically connected to the positive and negative terminals of the battery 300, respectively, thereby enabling the battery 300 to be charged. It is understood that the electrical connection between the first charging component 241 and the second charging component 242 and the battery 300 can be achieved through the circuit board 210. On the other hand, the arrangement order of the first charging component 241, the second charging component 242, the temperature measuring component 230, and the onboard antenna 220 along a straight line can be flexibly selected according to actual needs. Specifically, the first charging component 241 can be configured at the first end 211 of the circuit board 210, the onboard antenna 220 can be configured in the middle of the circuit board 210, the second charging component 242 can be configured at the end of the onboard antenna 220 away from the first charging component 241, and the temperature measuring component 230 can be configured either between the first charging component 241 and the onboard antenna 220, or at the end of the first charging component 241 away from the onboard antenna 220. Regardless of the arrangement, the first charging component 241 and the second charging component 242 are separated by components, thereby reducing the risk of short circuit caused by the first charging component 241 and the second charging component 242 being connected. Furthermore, the temperature measuring components 230 are all located close to the first end 211 of the circuit board 210, to conform to the user's operating habits when using a food temperature probe to measure food temperature.

[0037] Please refer to Figure 1-3 In one embodiment, the housing assembly 100 includes a first housing 110, a separator 120, and a second housing 130. One end of the separator 120 is connected to the first housing 110, and the other end is connected to the second housing 130. The first housing 110, the separator 120, and the second housing 130 together enclose the housing. At least a portion of the separator 120 is exposed on the outer surface of the housing assembly 100, separating the first housing 110 and the second housing 130. The circuit board 210 has a first end 211 and a second end 212 disposed opposite to each other. The charging component 240 includes a first charging component 241 and a second charging component 242. The first end 211, the first charging component 241, and the temperature measuring component 230 of the circuit board 210 are located within the first housing 110, and the second end 212 and the second charging component 242 of the circuit board 210 are located within the second housing 130.

[0038] On the one hand, since the first housing 110, the separator 120, and the second housing 130 of the housing assembly 100 form a three-section structure, the structure is simpler, easier to assemble, and has lower production costs compared to existing food temperature probes with at least a four-section structure. On the other hand, the separator 120 is exposed on the outer surface of the housing assembly 100, serving to differentiate and separate the components. Specifically, in some scenarios, the separator 120 can be used to differentiate the high-temperature detection area and the low-temperature detection area of ​​the food temperature probe. In other scenarios, when the first housing 110 and the second housing 130 are used as the positive and negative terminals for charging, the separator 120 can also separate and insulate the positive and negative terminals.

[0039] Please refer to Figure 1-3 In one embodiment, both the first housing 110 and the second housing 130 are made of conductive material, and the separator 120 is configured as an insulating material. The first charging component 241 is conductively connected to the first housing 110, and the second charging component 242 is conductively connected to the second housing 130. The first charging component 241 and the second charging component 242 are used to charge the battery 300 installed in the housing assembly 100 when the circuit is turned on.

[0040] The first housing 110 and the second housing 130 serve as the positive and negative terminals for charging the food temperature probe, while the separator 120 separates the positive and negative terminals. This eliminates the need for a dedicated charging terminal on the housing assembly 100, thus simplifying the structure of the housing assembly 100 while ensuring charging functionality. Specifically, the first housing 110 and the second housing 130 can be made of conductive metal, such as contact-grade stainless steel, while the separator 120 can be made of insulating ceramic, such as alumina ceramic.

[0041] Please refer to Figure 1-3 In one embodiment, the first charging element 241 and the second charging element 242 are configured as charging pads and / or charging springs made of conductive materials.

[0042] On one hand, the charging pad and / or charging spring can conduct current to the positive and negative terminals of the battery 300 to charge the battery 300. On the other hand, the structure of the charging pad and charging spring is easy to mount on the circuit board 210, and some of the protruding spring portions of the charging spring can directly contact the first housing 110 or the second housing 130 to achieve current conduction. The charging pad can also achieve indirect current conduction with the first housing 110 or the second housing 130 through a simple conductive component.

[0043] Please refer to Figure 1-3 In one embodiment, at least a portion of the onboard antenna 220 is located within a spacer 120, which is configured as an unshielded spacer 120 to allow signals to be transmitted between the inside and outside of the housing assembly 100.

[0044] On one hand, the onboard antenna 220 enables the signal transmission and reception of the food temperature probe. On the other hand, when the first housing 110 and the second housing 130 are made of conductive metal, they will shield the signal. The separator 120 is configured as an unshielded material, allowing the signal to pass through the separator 120 between the inside and outside of the housing assembly 100, thus ensuring the normal signal transmission and reception of the food temperature probe. Specifically, the separator 120 can be made of ceramic.

[0045] Please refer to Figure 3 In one embodiment, the onboard antenna 220, temperature measuring element 230, and charging element 240 are all independently disposed on the circuit board 210 without being connected to each other.

[0046] On the one hand, since the temperature sensing element 230 is not mounted on or connected to the onboard antenna 220, the problem of improper matching of the temperature sensor at the antenna center potentially altering parasitic parameters, leading to impedance changes, antenna resonant point shifts, and consequently affecting RF performance can be solved. Specifically, the temperature sensing element 230 can be configured as an NTC temperature sensor. On the other hand, since the charging element 240 is not connected to the onboard antenna 220, the problem of interference from electrical signals caused by the connection between the antenna and charging contacts leading to RF performance degradation can be solved. This further improves the transmission efficiency and wireless transmission distance of the onboard antenna 220, and simplifies the assembly and processing of the food temperature probe, reducing costs.

[0047] Please refer to Figure 1-3 In one embodiment, the circuit board 210 has a mounting portion 213 with a clearance groove 214. The temperature measuring element 230 has bent pins 231 connected to the mounting portion 213, and at least a portion of the temperature measuring element 230 is located within the clearance groove 214.

[0048] On the one hand, this allows the temperature sensing element 230 to be connected to the mounting portion 213 via the bent pin 231, thereby forming a stable conductive circuit. On the other hand, at least a portion of the temperature sensing element 230 is located within the clearance groove 214, which improves the utilization of space on the circuit board 210 and also helps to reduce the thickness of the circuit board assembly 200.

[0049] Please refer to Figure 1-3 In one embodiment, the food temperature probe further includes a battery 300 disposed within the housing assembly 100 and electrically connected to the circuit board assembly 200, the battery 300 being used to power the circuit board assembly 200.

[0050] By placing the battery 300 inside the housing assembly 100, the housing assembly 100 can protect the battery 300 and also facilitate charging the battery 300 through the first housing 110, the second housing 130, the first charging component 241, and the second charging component 242.

[0051] The above examples illustrate the present invention only to aid in understanding it and are not intended to limit the scope of the invention. Those skilled in the art can make various simple deductions, modifications, or substitutions based on the principles of this invention.

Claims

1. A food temperature probe, characterized in that, include: Housing components; The circuit board assembly is disposed within the housing assembly and includes a circuit board, an onboard antenna, a temperature sensing element, and a charging element. The onboard antenna, the temperature measuring element, and the charging element are all mounted on the circuit board. The onboard antenna is used to receive and transmit signals, the temperature measuring element is used to detect temperature, and the charging element is used to charge the battery installed inside the housing assembly.

2. The food temperature probe as described in claim 1, characterized in that, The circuit board has a first end and a second end that are arranged opposite to each other, and the onboard antenna, the temperature measuring element and the charging element are arranged in a straight line from the first end to the second end.

3. The food temperature probe as described in claim 2, characterized in that, The charging component includes a first charging component and a second charging component, wherein one of the first charging component and the second charging component is used as a positive charging electrode and the other is used as a negative charging electrode. The first charging component is located at the first end of the circuit board, the onboard antenna is located in the middle of the circuit board, the temperature measuring component is located between the first charging component and the onboard antenna, and the second charging component is located at the end of the onboard antenna away from the temperature measuring component. Alternatively, the first charging component is located at the first end of the circuit board, the onboard antenna is located in the middle of the circuit board, the temperature measuring component is located at the end of the first charging component away from the onboard antenna, and the second charging component is located at the end of the onboard antenna away from the first charging component.

4. The food temperature probe as described in claim 1, characterized in that, The housing assembly includes a first housing, a partition, and a second housing. One end of the partition is connected to the first housing, and the other end is connected to the second housing. The first housing, the partition, and the second housing together enclose the housing. At least a portion of the partition is exposed on the outer surface of the housing assembly, separating the first housing and the second housing. The circuit board has a first end and a second end that are disposed opposite to each other, and the charging component includes a first charging component and a second charging component; the first end of the circuit board, the first charging component and the temperature measuring component are located inside the first housing, and the second end of the circuit board and the second charging component are located inside the second housing.

5. The food temperature probe as described in claim 4, characterized in that, Both the first housing and the second housing are made of conductive material, and the separator is made of insulating material; the first charging component is conductively connected to the first housing, and the second charging component is conductively connected to the second housing; the first charging component and the second charging component are used to charge the battery installed in the housing assembly when the circuit is turned on.

6. The food temperature probe as described in claim 4, characterized in that, The first charging component and the second charging component are configured as charging pads and / or charging springs made of conductive materials.

7. The food temperature probe as described in claim 4, characterized in that, At least a portion of the onboard antenna is located within the spacer, which is configured as an unshielded spacer to allow the signal to be transmitted between the inside and outside of the housing assembly.

8. The food temperature probe according to any one of claims 1-7, characterized in that, The onboard antenna, the temperature measuring element, and the charging element are all independently mounted on the circuit board without being connected to each other.

9. The food temperature probe according to any one of claims 1-7, characterized in that, The circuit board has a mounting portion with a clearance groove; the temperature measuring element has bent pins connected to the mounting portion, and at least a portion of the temperature measuring element is located within the clearance groove.

10. The food temperature probe according to any one of claims 1-7, characterized in that, It also includes a battery disposed within the housing assembly and electrically connected to the circuit board assembly, the battery being used to power the circuit board assembly.

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