Temperature measurement device
View Patent ↗The present disclosure provides a temperature measurement device, comprising: a metal housing, the metal housing comprising a first metal portion and a second metal portion, the second metal portion having a tip for inserting into food; an intermediate electrical isolation portion for connecting the first metal portion and the second metal portion, the intermediate electrical isolation portion configured to electrically isolate the first metal portion and the second metal portion when they are connected to the intermediate electrical isolation portion; a circuit board unit at least located within the second metal portion, the circuit board unit being connected to an antenna unit; wherein the first metal portion and the second metal portion respectively serve as electrodes of the temperature measurement device, and the first metal portion serves as part of the antenna unit of the temperature measurement device.
1 . A temperature measurement device, the temperature measurement device comprising:
a metal housing, the metal housing comprising a first metal portion and a second metal portion, the second metal portion having a tip for inserting into food;
an intermediate electrical isolation portion for connecting the first metal portion and the second metal portion, the intermediate electrical isolation portion being configured to electrically isolate the first metal portion and the second metal portion when they are connected to the intermediate electrical isolation portion; and
a circuit board unit at least located within the second metal portion, the circuit board unit being connected to an antenna unit;
wherein the first metal portion and the second metal portion respectively serve as electrodes of the temperature measurement device, and the first metal portion serves as one part of the antenna unit of the temperature measurement device; the antenna unit comprises a first antenna extending from the circuit board unit towards the first metal portion and connected to the first metal portion, the first antenna and the first metal portion constituting the antenna unit; and the first antenna comprises an extension body and an abutting body, the extension body being connected to the circuit board unit, and the abutting body abutting against an inner wall of the first metal portion.
2 . The temperature measurement device according to claim 1 , wherein the abutting body comprises a first abutting portion, a second abutting portion connected to the first abutting portion, and a third abutting portion connected to the second abutting portion, which extend along and abut against the inner wall of the first metal portion, the first abutting portion is connected to the extension body, and an opening is provided between the third abutting portion and the extension body.
3 . The temperature measurement device according to claim 2 , wherein the intermediate electrical isolation portion comprises: a first channel and a second channel penetrating through the intermediate electrical isolation portion.
4 . The temperature measurement device according to claim 3 , wherein a portion of the extension body is located within the second channel.
5 . The temperature measurement device according to claim 4 , wherein the intermediate electrical isolation portion further comprises: a first groove provided along an outer wall of the intermediate electrical isolation portion, the abutting body being located within the first groove and matching the first groove, in such a manner that a side of the abutting body facing the inner wall of the first metal portion protrudes from the first groove.
6 . The temperature measurement device according to claim 5 , wherein the second abutting portion extends in an axial direction of the first metal portion at a distance away from the first abutting portion and the third abutting portion, the first abutting portion and the third abutting portion define an annular structure extending in a circumferential direction of the first metal portion, and the second abutting portion abuts the first metal portion in the axial direction of the first metal portion.
7 . The temperature measurement device according to claim 5 , wherein the circuit board unit comprises a circuit board fixing end, the circuit board fixing end being accommodated within the first channel.
8 . The temperature measurement device according to claim 7 , wherein the temperature measurement device further comprises an ambient temperature sensor, the ambient temperature sensor extending from the circuit board unit through the first channel towards the first metal portion.
9 . The temperature measurement device according to claim 5 , wherein the intermediate electrical isolation portion comprises: an intermediate protrusion, and when the first metal portion and the second metal portion are connected to the intermediate electrical isolation portion, the intermediate protrusion separates the first metal portion and the second metal portion.
10 . The temperature measurement device according to claim 9 , wherein when the first metal portion and the second metal portion are connected to the intermediate electrical isolation portion, and the intermediate protrusion serves as an indication line of the temperature measurement device.
11 . The temperature measurement device according to claim 10 , wherein the first groove is provided at a connection end between the intermediate electrical isolation portion and the first metal portion.
12 . The temperature measurement device according to claim 11 , wherein the temperature measurement device further comprises a battery unit connected to the circuit board unit, the circuit board unit comprises an elastic contact unit contacting an inner wall of the second metal portion, the elastic contact unit extends from the circuit board unit to the second metal portion, the first metal portion is connected to the circuit board unit via the first antenna, and the first metal portion and the second metal portion are connected to the battery unit via the first antenna and the elastic contact unit, respectively.
13 . The temperature measurement device according to claim 11 , wherein the intermediate electrical isolation portion further comprises at least two second grooves provided along the outer wall of the intermediate electrical isolation portion, the second grooves are respectively provided at the connection end between the intermediate electrical isolation portion and the first metal portion and a connection end between the intermediate electrical isolation portion and the second metal portion and are used for filling a sealing material.