CN214621516U

CN214621516U - Temperature measurement structure and temperature measurement needle

Info

Publication number: CN214621516U
Application number: CN202121027297.2U
Authority: CN
Inventors: 曾仕秀
Original assignee: Yongqing International Holding Co ltd
Current assignee: Yongqing International Holding Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-05
Anticipated expiration: 2031-05-13

Abstract

The utility model provides a temperature measurement structure and temperature measurement needle for carry out the temperature measurement to food, include: a housing having a cavity; the armored thermocouple is arranged in the cavity; the armored thermocouple comprises a main body part and a bare wire part which are electrically connected with each other, the main body part extends to the outside of the first end of the shell to form a detection part, the detection part is connected with the end part of the shell in a sealing mode, and the detection part is used for being in contact with food; and the bare wire part extends towards the second end of the shell and is used for being connected with an electronic component. Above-mentioned temperature measurement structure can carry out direct contact with food to measure the temperature to it, reduced heat-conducting medium's hindrance, improve heat-conducting efficiency, accelerate the reaction rate of temperature measurement.

Description

Temperature measurement structure and temperature measurement needle

Technical Field

The utility model belongs to the technical field of the temperature measurement, more specifically say, relate to a temperature measurement structure and temperature measurement needle.

Background

The temperature measuring needle is usually used in cooperation with a display instrument, a recording instrument and an electronic regulator, and when the temperature measuring needle is used, a probe of the temperature measuring needle is placed or attached to a measured object to measure the temperature, and a temperature signal value is read from a screen of the display instrument.

In the existing food temperature measuring needle, a thermal sensing end of a thermocouple for measuring temperature is usually arranged in a tip end of a stainless steel tube, and a heat conducting medium is filled in the tip end.

SUMMERY OF THE UTILITY MODEL

The utility model provides a temperature measurement structure and temperature measurement needle to solve the technical problem that above-mentioned background art mentioned.

The utility model discloses a technical scheme be a temperature measurement structure for carry out the temperature measurement to food, include:

a housing having a cavity;

the armored thermocouple is arranged in the cavity; wherein the content of the first and second substances,

the armored thermocouple comprises a main body part and a bare wire part which are electrically connected with each other, the main body part extends to the outside of the first end of the shell to form a detection part, the detection part is connected with the end part of the shell in a sealing mode, and the detection part is used for being in contact with food; and

the bare wire portion extends towards the second end of the shell and is used for being connected with an electronic component.

Among the above-mentioned temperature measurement structure, through using the armoured thermocouple that uses in the industry to carry out the temperature measurement structure of temperature measurement to food to extend the main part of this armoured thermocouple to the outside of casing, form a detection portion in the outside of casing, this detection portion of temperature measurement structure accessible carries out direct contact with food, in order to carry out the temperature measurement to it, has reduced heat-conducting medium's hindrance, improves heat-conducting efficiency, accelerates the reaction rate of temperature measurement, and the cost is also lower.

Further, a filling medium is arranged in a cavity between the armored thermocouple and the inner wall of the shell.

Further, the connection region between the main body portion and the bare wire portion is provided with an insulating member.

Furthermore, a first protection pipe is further sleeved on a connection area between the main body part and the bare wire part, and the first protection pipe extends towards the end parts of the main body part and the bare wire part respectively.

Furthermore, the bare wire part is also connected with an extension wire, and the armored thermocouple is connected with the electronic element through the extension wire.

Furthermore, a second protection tube is sleeved on a connection area between the bare wire part and the extension lead.

Further, the bare wire part comprises a plurality of bare wires, and each bare wire is wrapped with the second protective tube.

Further, one end of the shell, which is close to the detection part, is provided with a conical structure.

Further, the taper structure comprises a first taper part, a second taper part and a buffer part, and the shell, the first taper part, the buffer part and the second taper part are connected in sequence.

A temperature measuring needle comprises the temperature measuring structure.

In the above-mentioned temperature measuring needle, when carrying out the temperature measurement to food through setting up above-mentioned temperature measurement structure, the detection portion in the temperature measurement structure can directly contact with food, and then reduces heat-conducting medium's hindrance, improves heat-conducting efficiency for the reaction rate of temperature measurement.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a cross-sectional view of a temperature measurement structure provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a cross-sectional view of a temperature measurement structure provided in the second embodiment of the present invention;

fig. 4 is a partially enlarged view of fig. 3 at B.

Reference numerals:

100. a housing; 110. a first taper portion; 120. a buffer section; 130. a second tapered section;

200. sheathing a thermocouple; 210. a main body portion; 220. a bare wire portion; 230. a detection unit; 240. an insulating member;

300. filling a medium; 400. extending the lead; 500. a first protective tube; 600. a second protection tube; 700. and a third protection pipe.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of some of the embodiments, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a temperature measurement structure, this temperature measurement structure can be used to carry out the temperature measurement to food. For example, when measuring the temperature of the food, the detection part 230 of the temperature measuring structure may be inserted into the food to measure the temperature, and the measured temperature value may be displayed in real time by an electronic component connected to the temperature measuring structure.

Referring to fig. 1, the temperature measuring structure includes a housing 100 and a sheathed thermocouple 200, the housing 100 has a cavity structure, the sheathed thermocouple 200 is accommodated in the cavity, the housing 100 has a rigid reinforcing effect on the sheathed thermocouple 200, and the sheathed thermocouple 200 is used as a temperature measuring element in the temperature measuring structure and is used for measuring the temperature of food, converting the measured temperature signal into a thermoelectric force signal, and converting the thermoelectric force signal into the temperature of the measured food through an electronic element.

In this embodiment, the casing 100 may be a metal tubular structure, wherein the metal may be a stainless steel metal, so as to improve the hardness of the casing 100, and prevent the casing 100 from deforming after being stressed when the temperature measurement structure measures the temperature of food, thereby damaging the armored thermocouple 200 in the cavity and affecting the accuracy of temperature measurement. In other embodiments, the material used for the housing 100 may also be other high-hardness materials, such as composite materials or other alloy materials.

Among the above-mentioned temperature measurement structure, set up in the cavity of casing 100 through the armoured thermocouple 200 who uses in the industry to utilize armoured thermocouple 200 to detect food and can obtain the temperature of food, simple structure, with low costs, temperature measurement reaction rate are fast, and the cost is also lower.

It should be noted that in other embodiments, the sheathed thermocouple 200 can be equivalently replaced by other thermocouples with similar structures.

Further, the sheathed thermocouple 200 includes a main body portion 210 and a bare wire portion 220 electrically connected to each other. It should be noted that the armored thermocouple 200 is characterized in that the thermocouple core wire and the inorganic mineral insulating material are placed in the metal sleeve, and the wound solid assembly formed by stretching becomes the armored cable, so the main body portion 210 is a portion sleeved with the metal sleeve, and the bare wire portion 220 is the thermocouple core wire extending outward from the metal sleeve.

The main body 210 extends to the outside of the first end of the casing 100 to form a detection part 230, and the temperature measurement structure can be directly inserted into the food through the detection part 230 to measure the temperature of the food, so as to improve the reaction speed of temperature measurement; the bare wire portion 220 extends toward the second end of the housing 100 for connecting with an electronic component to transmit a temperature measuring signal to the electronic component.

Further, the detection part 230 is hermetically connected to the end of the first end of the housing 100 to prevent water, food or other impurities from entering the cavity of the housing 100, which may cause a short circuit of the sheathed thermocouple 200.

In some embodiments, the detecting portion 230 and the end of the casing 100 may be hermetically connected by welding to improve the sealing property between the detecting portion 230 and the end of the casing 100. In other embodiments, an edible sealing material may be filled between the detection part 230 and the end of the housing 100.

It can be seen that, in the above temperature measuring structure, the self-structural characteristics of the sheathed thermocouple 200 used in industry are fully utilized, the main body 210 with the metal sleeve extends to the outside of the casing 100 to form a detecting part 230, and when measuring the temperature of food, the detecting part 230 can be directly inserted into the food to directly contact with the food, thereby greatly improving the reaction rate of temperature measurement. In addition, since the main body 210 of the sheathed thermocouple 200 has the metal sleeve, when the detection part 230 is inserted into food, the detection part 230 is not deformed by force and the thermocouple core wire inside the metal sleeve is not directly leaked, the temperature measurement point of the thermocouple core wire is prevented from being oxidized and worn, and the shell 100 plays a role of strengthening the rigidity of the main body 210 and the bare wire part 220, so that the working stability of the main body 210 and the bare wire part 220 is improved, and the detection precision of the temperature measurement structure is ensured.

Optionally, referring to fig. 1, a filling medium 300 may be further disposed inside a cavity between the armored thermocouple 200 and the inner wall of the housing 100, where the filling medium 300 may play a role in insulating temperature between the armored thermocouple 200 and the housing 100 to improve detection accuracy, and may improve rigidity strength of the entire temperature measurement structure.

In some embodiments, the fill medium 300 may be a ceramic paste. In other embodiments, the fill medium 300 may also be a high temperature epoxy or other thermal insulating material.

Optionally, referring to fig. 2, the connection region between the main body part 210 and the bare wire part 220 may be further provided with an insulating member 240, and the insulating member 240 is used to prevent moisture absorption short circuit inside the sheathed thermocouple 200 on the one hand, and to fix and maintain the extended bare wire part 220 from contacting the short circuit on the other hand.

In some embodiments, the insulator 240 may be a sealing glue. In other embodiments, the insulator 240 may also be rubber or other sealing insulating material.

Optionally, referring to fig. 2, a first protection tube 500 is further sleeved on a connection region between the main body portion 210 and the bare wire portion 220, and the first protection tube 500 extends towards the ends of the main body portion 210 and the bare wire portion 220, respectively, and is used for protecting the connection region between the main body portion 210 and the bare wire portion 220, so as to ensure the stability of the connection region, and simultaneously, can also support and fix the bare wire portion 220.

Alternatively, referring to fig. 3, an extension wire 400 is further connected to the bare wire part 220, and the sheathed thermocouple 200 is connected to an electronic component through the extension wire 400. The extension wire 400 facilitates the connection of the sheathed thermocouple 200 to the electronic components on the one hand; on the other hand, the extension wire 400 is more convenient to bend than the bare wire part 220, and does not affect the stability of temperature transmission, so that the extension wire 400 is convenient for arranging the temperature measuring structure on the temperature measuring device to be bent (for example, when a temperature measuring needle using the temperature measuring structure is connected with an electronic component, the temperature measuring needle and the electronic component can be bent together).

In addition, when the filling medium 300 is disposed in the middle cavity and is subjected to misoperation by a user (for example, when the detection portion 230 in the temperature measurement structure is inserted into food, other structures of the temperature measurement structure may be in high-temperature air, and the temperature of other structures of the temperature measurement structure may be higher than the temperature of the detection portion 230, so that the extension lead 400 is damaged), the extension lead 400 can be protected.

Further, a second protection tube 600 is further sleeved at a connection region between the bare wire part 220 and the extension wire 400, and the second protection tube 600 is used for protecting the connection region between the bare wire part 220 and the extension wire 400 to ensure the stability of the connection region and prevent the connection portion of the connection region from being broken and short-circuited.

Referring to fig. 2 and 4, the bare wire part 220 includes a plurality of bare wires, each of the bare wires is wrapped by a second protection tube 600, and the second protection tube 600 is used to prevent each of the bare wires from contacting each other to cause a short circuit.

Optionally, referring to fig. 1, a third protection tube 700 may be further sleeved on the bare wire portion 220, and the third protection tube 700 is used to re-sleeve each bare wire wrapped with the second protection tube 600 together, so as to prevent the bare wire from directly contacting with the outside or the housing 100 after the second protection tube 600 is worn, and facilitate assembly of the armored thermocouple 200.

In some embodiments, the bare wire is provided with 2 pieces. In other embodiments, 1, 3, 4 or more bare wires may be provided.

It is understood that the connection between the bare wire parts 220 and the extension wires 400 includes connecting one or more extension wires 400 to each bare wire, respectively, and the second protection tube 600 is sleeved on the connection area of each bare wire to prevent the connection areas of each bare wire from contacting each other to cause a short circuit.

Referring to fig. 4, a third protection tube 700 may be further sleeved on the extension wires 400, and the third protection tube 700 is used to sleeve each extension wire 400 connected to the bare wire portion 220 together, so as to prevent the extension wires 400 from directly contacting with the outside or the housing 100, and to make the whole temperature measurement structure more compact.

Referring to fig. 1 and 3, a tapered structure may be further disposed at an end of the housing 100 near the detection part 230, and the tapered structure facilitates the insertion of the temperature measurement structure into the food for measuring the temperature.

Further, the tapered structure may further include a first tapered portion 110, a second tapered portion 130, and a buffer portion 120. The housing 100, the first tapered portion 110, the buffer portion 120, and the second tapered portion 130 are connected in this order. The structure is convenient for the temperature measuring structure to be inserted into the food for measuring the temperature; on the other hand, the strength of the conical structure can be ensured, and the conical structure is prevented from being bent when being inserted into food.

In some embodiments, the housing 100, the first tapered portion 110, the buffer portion 120, and the second tapered portion 130 are integrally formed therebetween. In other embodiments, the shell 100, the first conical portion 110, the buffer portion 120, and the second conical portion 130 may be connected by welding or fasteners.

Illustratively, the temperature measuring needle of some embodiments adopts the temperature measuring structure, and the temperature of the food is measured by using the temperature measuring structure.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A temperature measurement structure for measuring the temperature of food, comprising:

a housing having a cavity;

2. The thermometric structure of claim 1, wherein a fill medium is disposed within the cavity between the sheathed thermocouple and the inner wall of the housing.

3. The thermometric structure of claim 1, wherein the connection region between said main body portion and bare wire portion is provided with an insulating member.

4. The thermometric structure of claim 1, wherein the connecting region between the main body and the bare wire is further sleeved with a first protective tube, and the first protective tube extends towards the ends of the main body and the bare wire, respectively.

5. The temperature measuring structure according to any one of claims 1 to 4, wherein an extension wire is further connected to the bare wire portion, and the sheathed thermocouple is connected to the electronic component through the extension wire.

6. The temperature measuring structure according to claim 1, wherein a second protective tube is further sheathed at a connection region between the bare wire part and the extension wire.

7. The thermometric structure of claim 6, wherein said bare wire portion comprises a plurality of bare wires, each of said bare wires being wrapped with said second protective tube.

8. The thermometric structure according to claim 1 or 2, wherein an end of said housing near said sensing portion is provided with a tapered structure.

9. The temperature measuring structure of claim 8, wherein the tapered structure comprises a first tapered portion, a second tapered portion and a buffer portion, and the shell, the first tapered portion, the buffer portion and the second tapered portion are connected in sequence.

10. A temperature measuring needle, comprising: the temperature measuring structure according to any one of claims 1 to 9.