CN216954880U

CN216954880U - Concrete temperature measuring line

Info

Publication number: CN216954880U
Application number: CN202123136571.2U
Authority: CN
Inventors: 张桂华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-07-12
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a concrete temperature measuring line, which comprises a wire rod, a plug-in connector fixedly arranged at a first end of the wire rod and used for being inserted into a temperature measuring instrument, and a compression-resistant temperature measuring head fixedly arranged at a second end of the wire rod and used for detecting the temperature in concrete, wherein the compression-resistant temperature measuring head comprises a heat-conducting metal sleeve and a thermocouple arranged in the heat-conducting metal sleeve, the first end of the heat-conducting metal sleeve is fixedly connected with the second end of the wire rod through a connecting sleeve, an end cover is fixedly arranged at the end part of the second end of the heat-conducting metal sleeve, an electric core wire electrically connected with the thermocouple and the plug-in connector is arranged in the wire rod, the connecting sleeve comprises a first sleeve body fixedly arranged outside the second end of the wire rod and a second sleeve body fixedly arranged outside the first end of the heat-conducting metal sleeve, the first sleeve body is fixedly connected with the second sleeve body, at least one annular groove sunken into the second sleeve body is arranged on the inner side wall of the second sleeve body, the outer side wall of the heat-conducting metal sleeve is provided with an annular convex ring which is embedded into the annular groove at the position corresponding to the annular groove.

Description

Concrete temperature measuring line

Technical Field

The utility model relates to a temperature measuring wire, in particular to a concrete temperature measuring wire.

Background

Most of the existing temperature measuring equipment can only measure the surface temperature and cannot deeply penetrate into the concrete for measuring the temperature, particularly, the existing temperature measuring equipment stretches into the concrete for measuring the temperature. And the temperature measuring head of the existing common temperature measuring line has poor pressure resistance and is easy to damage when the temperature is measured in concrete.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a concrete temperature measuring line.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a concrete temperature measuring line is constructed, the temperature measuring line comprises a wire rod, a plug connector fixedly arranged at a first end of the wire rod and used for being inserted into a temperature measuring instrument, a compression-resistant temperature measuring head fixedly arranged at a second end of the wire rod and used for detecting the temperature in concrete, the compression-resistant temperature measuring head comprises a heat-conducting metal sleeve and a thermocouple arranged in the heat-conducting metal sleeve, the first end of the heat-conducting metal sleeve is fixedly connected with the second end of the wire rod through a connecting sleeve, an end cover is fixedly arranged at the end part of the second end of the heat-conducting metal sleeve, an electric core wire electrically connected with the thermocouple and the plug connector is arranged in the wire rod, the connecting sleeve comprises a first sleeve body fixedly sleeved outside the second end of the wire rod and a second sleeve body fixedly sleeved outside the first end of the heat-conducting metal sleeve, the first sleeve body and the second sleeve body are fixedly connected, at least one annular groove sunken into the second sleeve body is arranged on the inner side wall of the second sleeve body, the outer side wall of the heat-conducting metal sleeve is provided with an annular convex ring which is embedded into the annular groove at the position corresponding to the annular groove.

In the concrete temperature measuring wire, the first sleeve body and the second sleeve body are integrally formed by insulating plastic materials, the first sleeve body is fixedly bonded with the second end of the wire rod, and the second sleeve body is fixedly bonded with the first end of the heat-conducting metal sleeve.

In the concrete temperature measuring wire, the wire comprises an electric core wire, a first insulating layer sleeved outside the electric core wire, a second insulating layer sleeved outside the first insulating layer, and a metal spring tube clamped between the first insulating layer and the second insulating layer, wherein the metal spring tube is sleeved outside the first insulating layer.

In the concrete temperature measuring wire of the present invention, a third insulating layer is further disposed between the first insulating layer and the electrical core wire, the third insulating layer is sleeved outside the electrical core wire, and a conductive metal wire mesh layer is sandwiched between the first insulating layer and the third insulating layer, and the conductive metal wire mesh layer is sleeved outside the third insulating layer.

The concrete temperature measuring wire has the following beneficial effects: when the concrete temperature measuring line is used, the temperature measuring line and the compression-resistant temperature measuring head can be stretched into concrete or embedded in the concrete, the plug-in connector is inserted into the electric plug-in hole of the temperature measuring instrument, the temperature in the concrete is detected through the thermocouple, the temperature signal is converted into a voltage signal and transmitted to the temperature measuring instrument, and the temperature data is displayed through the temperature measuring instrument. In this application, carry out the pre-installation to the thermocouple through setting up heat conduction metal sleeve, can improve the compressive strength of resistance to compression temperature probe. Detect the temperature through setting up the thermocouple, the thermocouple is at the testing process, converts temperature signal into voltage signal and transmits through the wire rod, compares in carrying out signal of telecommunication transmission through other modes, but the decay of greatly reduced signal for the transmission of signal no longer receives the influence of wire rod length.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of the structure of the concrete temperature measuring line of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, in a first embodiment of the concrete temperature measuring line of the present invention, the temperature measuring line 1 includes a wire 2, a plug 3 fixed at a first end of the wire 2 and used for being inserted into a temperature measuring instrument, and a pressure-resistant temperature measuring head 4 fixed at a second end of the wire 2 and used for detecting the temperature in the concrete, the pressure-resistant temperature measuring head includes a heat-conducting metal sleeve 5 and a thermocouple 6 disposed in the heat-conducting metal sleeve 5, the first end of the heat-conducting metal sleeve 5 is fixedly connected to the second end of the wire 2 through a connecting sleeve 7, an end cap 8 is fixed at the second end of the heat-conducting metal sleeve 5, an electrical core wire electrically connecting the thermocouple 6 and the plug 3 is disposed in the wire 2, the connecting sleeve 7 includes a first sleeve 9 fixedly sleeved outside the second end of the wire 2 and a second sleeve 10 fixedly sleeved outside the first end of the heat-conducting metal sleeve 5, the first sleeve 9 is fixedly connected to the second sleeve 10, at least one annular groove which is sunken into the second sleeve body 10 is arranged on the inner side wall of the second sleeve body 10, and an annular convex ring 11 which can be embedded into the annular groove is arranged on the outer side wall of the heat-conducting metal sleeve 5 at a position corresponding to the annular groove.

When the concrete temperature measuring line 1 is used, the temperature measuring line 1 and the compression-resistant temperature measuring head 4 can be stretched into concrete or embedded in the concrete, the plug 3 is inserted into an electric plug hole of a temperature measuring instrument, the temperature in the concrete is detected through the thermocouple 6, a temperature signal is converted into a voltage signal and transmitted to the temperature measuring instrument, and the temperature data is displayed through the temperature measuring instrument. In this application, carry out the pre-installation to thermocouple 6 through setting up heat conduction metal sleeve 5, can improve the compressive strength of resistance to compression temperature probe 4. Detect the temperature through setting up thermocouple 6, thermocouple 6 is at the testing process, converts temperature signal into voltage signal and transmits through wire rod 2, compares in carrying out signal transmission through other modes, but the decay of greatly reduced signal for the transmission of signal no longer receives the influence of wire rod 2 length.

Preferably, the thermocouple 6 is a type K thermocouple 6.

Specifically, the first sleeve 9 and the second sleeve 10 are integrally formed by an insulating plastic material, the first sleeve 9 is fixedly bonded to the second end of the wire 2, and the second sleeve 10 is fixedly bonded to the first end of the heat-conducting metal sleeve 5.

Further, in order to increase the strength of the wire 2, the wire 2 includes an electric core wire, a first insulating layer sleeved outside the electric core wire, a second insulating layer sleeved outside the first insulating layer, and a metal spring tube 12 sandwiched between the first insulating layer and the second insulating layer, wherein the metal spring tube 12 is sleeved outside the first insulating layer.

Furthermore, in order to reduce the external interference on the signal transmission of the electrical core wire, a third insulating layer is further arranged between the first insulating layer and the electrical core wire, the third insulating layer is sleeved outside the electrical core wire, a conductive metal wire mesh layer is clamped between the first insulating layer and the third insulating layer, and the conductive metal wire mesh layer is sleeved outside the third insulating layer.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A concrete temperature measuring wire is characterized by comprising a wire rod, a plug-in connector fixedly arranged at a first end of the wire rod and used for being inserted into a temperature measuring instrument, and a pressure-resistant temperature measuring head fixedly arranged at a second end of the wire rod and used for detecting the temperature in concrete, wherein the pressure-resistant temperature measuring head comprises a heat-conducting metal sleeve and a thermocouple arranged in the heat-conducting metal sleeve, the first end of the heat-conducting metal sleeve is fixedly connected with the second end of the wire rod through a connecting sleeve, an end cover is fixedly arranged at the end part of the second end of the heat-conducting metal sleeve, an electric core wire electrically connected with the thermocouple and the plug-in connector is arranged in the wire rod, the connecting sleeve comprises a first sleeve body fixedly sleeved outside the second end of the wire rod and a second sleeve body fixedly sleeved outside the first end of the heat-conducting metal sleeve, the first sleeve body and the second sleeve body are fixedly connected, and at least one annular groove sunken into the second sleeve body is arranged on the inner side wall of the second sleeve body, and an annular convex ring which can be embedded into the annular groove is arranged on the outer side wall of the heat-conducting metal sleeve at a position corresponding to the annular groove.

2. The concrete temperature measurement wire of claim 1, wherein the first and second sleeves are integrally formed from an insulating plastic material, the first sleeve is fixedly attached to the second end of the wire, and the second sleeve is fixedly attached to the first end of the thermally conductive metal sleeve.

3. The concrete temperature measuring wire of claim 1, wherein the wire comprises an electrical core wire, a first insulating layer sleeved outside the electrical core wire, a second insulating layer sleeved outside the first insulating layer, and a metal spring tube clamped between the first insulating layer and the second insulating layer, wherein the metal spring tube is sleeved outside the first insulating layer.

4. The concrete temperature measuring wire of claim 3, wherein a third insulating layer is further disposed between the first insulating layer and the cell wire, the third insulating layer is sleeved outside the cell wire, a conductive metal wire mesh layer is sandwiched between the first insulating layer and the third insulating layer, and the conductive metal wire mesh layer is sleeved outside the third insulating layer.