Multi-temperature-zone food temperature probe device and temperature probe

Abstract

The utility model relates to the technical field of temperature probes, in particular to a multi-temperature-zone food temperature probe and a temperature probe. The PCB is arranged in the cavity, and the PCB and the cavity are coaxially arranged; one end of the first part flexible circuit board extends to the front end of the metal tube; the flexible gasket is arranged between the second part flexible circuit board and the PCB, the first thermistor and the second thermistor are arranged on the flexible circuit board, the first thermistor is arranged on the first part flexible circuit board, and the second thermistor is arranged on the second part flexible circuit board; and a flexible gasket is arranged between the second part of flexible circuit board and the PCB, so that the second part of flexible circuit board is fitted with the inner wall of the metal tube, and the temperature is transmitted more quickly and is not balanced by air or filler in the metal tube. And the temperature measurement is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature probe technical field, in particular to a kind of multi-temperature zone food temperature probe and temperature probe. BACKGROUND

[0002] Food temperature probe is used to measure internal temperature of food, help cook to accurately master cooking progress, avoid food overcooked or overcooked, provide good foundation for cooking delicious food. The internal structure of current temperature probe is continuously simplified and optimized, to improve accuracy and stability of food temperature probe, and reduce product production cost.

[0003] The existing food temperature probe pastes multiple NTC or numerical temperature sensors on equal-distance position on hard board PCB to test the temperature of different positions inside food.

[0004] In the existing food temperature probe, PCBA is in coaxial central state in metal pipe, there is gap between sensor and inner wall of metal pipe, when food temperature probe is inserted into food, for example, inserted into meat, meat temperature gives metal pipe, then heat is radiated to sensor through gap air, at this time, meat temperature has been balanced once by metal pipe, then heat temperature continues to transmit to inside; when there is temperature difference in air in metal pipe, inside is in convection circulation, internal temperature is completely balanced;

[0005] When inside is filled with heat-conducting material, meat temperature is further balanced by filling material. Therefore, the temperature actually measured by each sensor is the average temperature or approximate average temperature of the inside of metal pipe, which leads to little difference in temperature of each sensor at different positions.

[0006] Therefore, it is urgent for those skilled in the art to find a suitable food temperature probe. INVENTION CONTENTS

[0007] Therefore, it is urgent for those skilled in the art to find a suitable food temperature probe.

[0008] In the first aspect, the application provides a multi-temperature zone food temperature probe device, which comprises a metal pipe, a battery, a first thermistor, a second thermistor, a flexible circuit board, a flexible gasket and a PCB board.

[0009] The metal pipe is provided with a cavity, the PCB board is arranged in the cavity, and the PCB board is coaxially arranged with the cavity.

[0010] The flexible circuit board comprises a first part flexible circuit board and a second part flexible circuit board; one end of the first part flexible circuit board extends to the front end of the metal tube; the first thermistor is arranged on the first part flexible circuit board;

[0011] The first thermistor is arranged at the front end of the metal tube and is electrically connected with the first part flexible circuit board; one end of the second part flexible circuit board extends to the parallel direction of the PCB board, the second part flexible circuit board is attached to the inside of the metal tube, and the second thermistor is arranged on the second part flexible circuit board;

[0012] The flexible pad is arranged between the second part flexible circuit board and the PCB board.

[0013] In one of the implementations, the flexible pad is made of elastic material, the flexible pad comprises a first surface and a second surface, the first surface abuts against the flexible pad, and the second surface abuts against the PCB board.

[0014] In one of the implementations, a plurality of second thermistors are arranged; the plurality of second thermistors are arranged on the second part flexible circuit board.

[0015] In one of the implementations, the first part flexible circuit board is arranged coaxially with the cavity, the first part flexible circuit board comprises a bending part, the bending part is arranged between the first part flexible circuit board and the second part flexible circuit board, so that the first part flexible circuit board and the second part flexible circuit board are integrally formed, and the second part flexible circuit board is attached to the inner wall of the metal tube.

[0016] In one of the implementations, the material of the metal tube is stainless steel.

[0017] In one of the implementations, the battery is arranged between the front end of the metal tube and the PCB board.

[0018] In one of the implementations, the first thermistor is arranged on the first part flexible circuit board and between the battery and the metal tube.

[0019] In a second aspect, a multi-temperature-zone food temperature probe comprises the multi-temperature-zone food temperature probe device of any one of the first aspect, and further comprises an antenna, a handle, and a charging pole, and the temperature signal acquired by the thermistor is transmitted through the antenna.

[0020] According to the multi-temperature zone food temperature probe and the temperature probe provided in the application, the first thermistor and the second thermistor are arranged on the flexible circuit board, the first thermistor is arranged on the first part of the flexible circuit board, the second thermistor is arranged on the second part of the flexible circuit board, and the flexible gasket is arranged between the second part of the flexible circuit board and the PCB, so that the second part of the flexible circuit board is combined with the inner wall of the metal pipe, thereby more quickly transmitting the temperature without being balanced by the air or the filler in the metal pipe, and the temperature measurement is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0022] Figure 1 Part structure schematic view of the multi-temperature zone food temperature probe device in one embodiment of the present application;

[0023] Figure 2 Part structure schematic view of the multi-temperature zone food temperature probe device in one embodiment of the present application;

[0024] Figure 3 Structure schematic view of the food temperature probe in the prior art.

[0025] Legend:

[0026] 10, metal pipe; 20, battery; 30, flexible gasket; 40, PCB; 50, flexible circuit board; 51, first part of the flexible circuit board; 52, second part of the flexible circuit board; 61, first thermistor; 62, second thermistor. DETAILED DESCRIPTION

[0027] In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] In the first aspect, refer to Figure 1 and Figure 2As shown, the present application provides a multi-temperature zone food temperature probe device, which comprises a metal tube 10, a battery 20, a first thermistor 61, a second thermistor 62, a flexible circuit board 50, a flexible gasket 30, and a PCB board 40.

[0029] The metal tube 10 is provided with a cavity, and the PCB board 40 is arranged in the cavity and coaxially arranged with the cavity.

[0030] The flexible circuit board 50 comprises a first part flexible circuit board 51 and a second part flexible circuit board 52; one end of the first part flexible circuit board 51 extends to the front end of the metal tube 10; and the first thermistor 61 is arranged on the first part flexible circuit board 51.

[0031] The first thermistor 61 is arranged at the front end of the metal tube 10 and electrically connected with the first part flexible circuit board 51; one end of the second part flexible circuit board 52 extends to the parallel direction of the PCB board 40, and the second part flexible circuit board 52 is attached to the inside of the metal tube 10; and the second thermistor 62 is arranged on the second part flexible circuit board 52.

[0032] The flexible gasket 30 is arranged between the second part flexible circuit board 52 and the PCB board 40.

[0033] It should be noted that, referring to Figure 3 As shown, in the prior art, the front-end thermistor is welded to the PCB board 40 through a lead wire, and other thermistors are arranged on the PCB board 40, and the other thermistors are not attached to the inner wall of the metal tube 10, so that the heat is balanced by the temperature in the tube during heat propagation, and the temperature measurement effect is not accurate enough.

[0034] In the embodiment, the first thermistor 61 and the second thermistor 62 are arranged on the flexible circuit board 50, the first thermistor 61 is arranged on the first part flexible circuit board 51, the second thermistor 62 is arranged on the second part flexible circuit board 52, and the flexible gasket 30 is arranged between the second part flexible circuit board 52 and the PCB board 40, so that the second part flexible circuit board 52 is attached to the inner wall of the metal tube 10, thereby more quickly transmitting the temperature without being balanced by the air or filler in the metal tube 10.

[0035] In addition, in the prior art, the front-end thermistor, i.e., the first thermistor 61, is welded to the PCB board 40 through a lead wire after passing through the battery 20, and the stability is poor. In the present application, the front-end thermistor, i.e., the first thermistor 61, is arranged on the flexible circuit board 50, thereby reducing manual welding and having better stability.

[0036] In one implementation, the flexible gasket 30 is made of elastic material, and the flexible gasket 30 includes a first surface and a second surface, the first surface abuts against the flexible gasket 30, and the second surface abuts against the PCB 40.

[0037] It should be noted that the flexible gasket 30 is made of elastic material, the first surface of the flexible gasket 30 closely abuts against the inner wall of the metal pipe 10, and the second surface of the flexible gasket 30 closely abuts against the PCB 40, that is, the second part of the flexible circuit board 52 is pressed and closely abuts against the inner wall of the metal pipe 10 through the flexible gasket 30, so that the second thermistor 62 arranged on the second part of the flexible circuit board 52 closely abuts against the inner wall of the metal pipe 10, reducing the propagation path of heat and the possibility of food temperature being balanced

[0038] In one implementation, a plurality of second thermistors 62 are arranged; the plurality of second thermistors 62 are arranged on the second part of the flexible circuit board 52.

[0039] It should be noted that the plurality of second thermistors 62 are arranged on the second part of the flexible circuit board 52 in sequence and at intervals, and each second thermistor 62 closely abuts against the inner wall of the metal pipe 10. For example, the number of second thermistors 62 is three.

[0040] In one implementation, the first part of the flexible circuit board 51 is coaxially arranged with the cavity, the first part of the flexible circuit board 51 includes a bending portion, the bending portion is arranged between the first part of the flexible circuit board 51 and the second part of the flexible circuit board 52, so that the first part of the flexible circuit board 51 and the second part of the flexible circuit board 52 are integrally formed, and the second part of the flexible circuit board 52 closely abuts against the inner wall of the metal pipe 10.

[0041] It should be noted that the first thermistor 61 is arranged on the first part of the flexible circuit board 51 at the front end of the flexible circuit board 50, and the flexible circuit board 50 extends and closely abuts against the inside of the metal pipe 10 after being bent.

[0042] In one implementation, the material of the metal pipe 10 is stainless steel.

[0043] In one implementation, the battery 20 is arranged between the front end of the metal pipe 10 and the PCB 40.

[0044] In one implementation, the first thermistor 61 is arranged on the first part of the flexible circuit board 51 and between the battery 20 and the metal pipe 10.

[0045] In a second aspect, a multi-zone food temperature probe includes the multi-zone food temperature probe device of any of the first aspect, and further includes an antenna, a handle, and a charging pole, wherein the antenna is configured to transmit temperature signals obtained by the thermistor.

[0046] It should be noted that the first thermistor 61 and the second thermistor 62 are both arranged on the flexible circuit board 50, the first thermistor 61 is arranged on the first part of the flexible circuit board 51, and the second thermistor 62 is arranged on the second part of the flexible circuit board 52, and a flexible gasket 30 is arranged between the second part of the flexible circuit board 52 and the PCB board 40, so that the second part of the flexible circuit board 52 is in close contact with the inner wall of the metal pipe 10, thereby transmitting the temperature more quickly without being balanced by the air or filler in the metal pipe 10, and the temperature measurement is more accurate, and the temperature signal is transmitted to the terminal through the antenna. It should be noted that when an element is referred to as "fixed to" or "arranged on" another component, it can be directly arranged on another component or indirectly arranged on another component; when a component is referred to as "connected to" another component, it can be directly connected to another component or indirectly connected to another component.

[0047] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" or "several" is two or more, unless otherwise explicitly specified.

[0048] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the present application are only used to cooperate with the disclosed content of the present application, to enable those skilled in the art to understand and read, and are not used to limit the defined conditions under which the present application can be implemented, and therefore do not have technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0049] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application should not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multi-zone food temperature probe device, characterized by, The metal tube, the battery, the first thermistor, the second thermistor, the flexible circuit board, the flexible gasket, and the PCB board are arranged in sequence from front to back. The metal tube is internally provided with a cavity, and the PCB board is arranged in the cavity and coaxially arranged with the cavity. The flexible circuit board comprises a first part and a second part, the first part extends to the front end of the metal tube, and the first thermistor is arranged on the first part. The first thermistor is arranged at the front end of the metal tube and electrically connected with the first part, the second part extends to the direction parallel to the PCB board, and the second thermistor is arranged on the second part. The flexible gasket is arranged between the second part and the PCB board.

2. The multi-zone food temperature probe device of claim 1, wherein, The flexible gasket is made of elastic material and comprises a first surface and a second surface, the first surface is in abutment with the flexible gasket, and the second surface is in abutment with the PCB board.

3. The multi-zone food temperature probe of claim 2, wherein, A plurality of second thermistors are arranged on the second part.

4. The multi-zone food temperature probe of claim 1, wherein, The first part is coaxially arranged with the cavity, and the first part comprises a bending part arranged between the first part and the second part to make the first part and the second part integrally formed, and the second part is in abutment with the inner wall of the metal tube.

5. The multi-zone food temperature probe of claim 1, wherein, The metal tube is made of stainless steel.

6. The multi-zone food temperature probe of claim 1, wherein, The battery is arranged between the front end of the metal tube and the PCB board.

7. The multi-zone food temperature probe of claim 1, wherein, The first thermistor is arranged on the first part between the battery and the metal tube.

8. A multi-zone food temperature probe, characterized by, The multi-zone food temperature probe device comprises an antenna, a handle, and a charging pole, and the temperature signal acquired by the thermistor is transmitted through the antenna.

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