Bendable protection structure suitable for concrete temperature sensor wire

Abstract

The utility model provides a bendable protection structure suitable for a concrete temperature sensor wire, a stiff skeleton is sleeved outside the temperature sensor wire and is filled with a flexible high temperature resistant filler, the stiff skeleton is embedded in the flexible high temperature resistant filler, and an insulation heat insulation rubber layer is wrapped on the outer surface of the flexible high temperature resistant filler. Damage caused by electric welding slag and vibration of a vibrating rod can be avoided. According to the utility model, the survival rate of the wire of the temperature sensor is improved, the service life is prolonged, the reliability and accuracy of monitoring data are improved, and the later maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the mass concrete hydration heat temperature monitoring technical field, especially to a kind of bendable protection structure suitable for concrete temperature sensor lead wire. BACKGROUND

[0002] In mass concrete temperature monitoring work, temperature sensor is laid in mass concrete, then external temperature data acquisition module is transmitted to mobile phone or computer terminal by satellite signal, to realize the real-time reception of temperature data.If the temperature sensor lead wire laid in mass concrete is damaged due to external factors (such as electric welding slag, vibrating rod vibration, etc.), it may cause monitoring work to stop or distortion, affecting the normal operation of monitoring work. UTILITY MODEL CONTENT

[0003] In view of the problems in the prior art, the utility model provides the following technical scheme:

[0004] A bendable protection structure suitable for concrete temperature sensor lead wire is provided, which is provided with a rigid framework outside the temperature sensor lead wire and filled with flexible high-temperature-resistant filler, and the rigid framework is embedded in the flexible high-temperature-resistant filler, and an insulating and heat-insulating rubber layer is wrapped on the outer surface of the flexible high-temperature-resistant filler, which can avoid damage caused by electric welding slag and vibrating rod vibration.

[0005] Further, the overall diameter of the rigid framework is 1.1-1.5 times the diameter of the temperature sensor lead wire.

[0006] Further, the overall diameter of the rigid framework is 1.2 times the diameter of the temperature sensor lead wire.

[0007] Further, the rigid framework is a spiral spring.

[0008] Further, the inside of the rigid framework is filled and isolated by the flexible high-temperature-resistant filler, and the distance between the inner surface of the insulating and heat-insulating rubber layer and the outer surface of the temperature sensor lead wire is not less than four times the wire diameter of the rigid framework.

[0009] Further, the wire diameter of the spiral spring is 1.5-2.5 mm.

[0010] Further, the wire diameter of the spiral spring is 2 mm.

[0011] Further, the layer thickness of the insulating and heat-insulating rubber layer is not less than the wire diameter of the spiral spring.

[0012] Further, four connecting and fixing members are uniformly arranged between the temperature sensor lead wire and the rigid framework at the turning part of the rigid framework.

[0013] Further, the internal flexible high-temperature-resistant filler is one of fire stopping clay, silica gel material, polyimide film, glass fiber high-temperature cloth or ceramic fiber soft material or a combination of not less than two of them.

[0014] The utility model discloses improve the survival rate of temperature sensor lead, prolong the service life, improve the reliability and accuracy of monitoring data, reduce the later maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings that form part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model and do not constitute improper limitation on the utility model, and other related drawings can be obtained by the drawings for the ordinary skill in the art without creative labor.

[0016] Figure 1 It is the cross section schematic view of the utility model embodiment;

[0017] Figure 2 It is the cross section schematic view of the utility model embodiment.

[0018] The reference numerals in the drawing: temperature sensor lead 1, rigid framework 2, flexible high-temperature-resistant filler 3, insulating and heat-insulating rubber layer 4, connecting and fixing part 5. DETAILED DESCRIPTION

[0019] The basic principle of the utility model is as follows: the rigid framework 2 is arranged on the temperature sensor lead 1, the flexible high-temperature-resistant filler 3 is filled outside the temperature sensor lead 1, the rigid framework 2 is buried in the flexible high-temperature-resistant filler 3, and the insulating and heat-insulating rubber layer 4 is wrapped on the outer surface of the flexible high-temperature-resistant filler 3, so that the damage of electric welding slag and vibrating rod vibration can be avoided.

[0020] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0021] As Figure 1 And Figure 2 As shown in the drawings, taking the temperature sensor lead 1 of a certain factory as an example, the diameter R1 is about 50mm;

[0022] The spiral spring is used as the rigid framework 2 arranged outside the temperature sensor lead 1, and the overall diameter of the spiral spring is 1.2 times of the lead diameter R1, that is, 60mm.

[0023] In order to ensure the strength and also have certain bendability, the wire diameter R2 of the spiral spring is 1.5mm-2.5mm, preferably, the wire diameter R2 of the spiral spring is 2mm.

[0024] The internal flexible high-temperature-resistant filler 3 can be selected from fire-resistant mortar, silica gel material, polyimide film, glass fiber high-temperature cloth or ceramic fiber soft material.

[0025] The thickness L1 of the insulating and heat-insulating rubber layer 4 should be not less than the wire diameter R2 of the rigid framework 2, i.e. the spiral spring, and in the embodiment, L1 is 2 mm.

[0026] The inside of the rigid framework 2 and the temperature sensor lead wire 1 should be filled and separated by the flexible high-temperature-resistant filler 3, and the interval distance L2 between the inner surface of the insulating and heat-insulating rubber layer 4 and the outer surface of the temperature sensor lead wire 1 should be not less than four times of the wire diameter R2 of the rigid framework 2 (the spiral spring).

[0027] Further, at the turning position of the rigid framework 2, i.e. the turning position of the temperature sensor lead wire 1 according to the layout requirement, four connecting and fixing members 5 are uniformly arranged between the temperature sensor lead wire 1 and the rigid framework 2 in the circumferential direction, so as to ensure that the temperature sensor lead wire 1 at the turning position can still be sufficiently protected.

[0028] The above only describes the preferred embodiments of the present application and should not be used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A bendable protection structure for a concrete temperature sensor lead, characterized by, The temperature sensor wire (1) is sleeved with a rigid framework (2) and filled with a flexible high-temperature-resistant filler (3), the rigid framework is embedded in the flexible high-temperature-resistant filler, and the outer surface of the flexible high-temperature-resistant filler is wrapped with an insulating and heat-insulating rubber layer (4).

2. A flexible protective structure for a concrete temperature sensor lead as defined in claim 1, wherein, The overall diameter of the rigid framework is 1.1-1.5 times the diameter of the temperature sensor wire.

3. A flexible protective structure for a concrete temperature sensor lead as defined in claim 1, wherein, The overall diameter of the rigid framework is 1.2 times the diameter of the temperature sensor wire.

4. A flexible protective structure for a concrete temperature sensor lead as defined in claim 1, wherein, The rigid framework is a spiral spring.

5. A flexible protection structure for a concrete temperature sensor lead as claimed in claim 1 or 4, wherein, The inside of the rigid framework is filled and separated from the temperature sensor wire by the flexible high-temperature-resistant filler, and the distance (L2) between the inner surface of the insulating and heat-insulating rubber layer and the outer surface of the temperature sensor wire is not less than four times the wire diameter of the rigid framework.

6. A flexible protective structure for a concrete temperature sensor lead as defined in claim 4 wherein, The wire diameter of the spiral spring is 1.5-2.5 mm.

7. A flexible protective structure for a concrete temperature sensor lead as defined in claim 4 wherein, The wire diameter of the spiral spring is 2 mm.

8. A flexible protective structure for a concrete temperature sensor lead as defined in claim 4 wherein, The layer thickness of the insulating and heat-insulating rubber layer is not less than the wire diameter of the spiral spring.

9. A flexible protective structure for a concrete temperature sensor lead as defined in claim 4 wherein, At the turning of the rigid framework, four connecting and fixing members are uniformly arranged between the temperature sensor wire and the rigid framework in the circumferential direction.

10. A flexible protective structure for a concrete temperature sensor lead as defined in claim 1, wherein, The internally filled flexible high-temperature-resistant filler is one of fire-resistant mortar, silica gel material, polyimide film, glass fiber high-temperature cloth or ceramic fiber soft material, or a combination of not less than two kinds.

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