Signal power supply screen cable temperature measurement probe device

Abstract

The utility model discloses a signal power supply screen cable temperature measurement probe device, which comprises a hoop, the bottom end of the hoop is provided with an opening used for holding a cable, the inner side of the hoop is provided with a thermal balance block through a connecting piece, the thermal balance block is internally provided with a temperature sensing element used for sensing the temperature of the cable, and the temperature sensing element is connected with a monitoring instrument through a signal line; the heat balance block is of an arc-shaped structure, and the arc-shaped end of the heat balance block faces the opening direction of the hoop. The signal power supply screen cable temperature measurement probe device provided by the utility model adopts a hoop type integrated design, is convenient to install and use, and is provided with a movable thermal balance block structure in the hoop, thereby being capable of effectively contacting a cable forming end insulation sheath, being capable of reliably transmitting cable heat to a temperature probe, and realizing accurate detection of cable forming end temperature.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway signal power supply screen technical field more particularly relates to a signal power supply screen cable temperature measuring probe device. BACKGROUND

[0002] In railway transportation, signal lamp is used to convey the important equipment of the relevant vehicle operating condition, traffic equipment state and the indication and command of nature parking to railway traffic personnel, in order to ensure the operating stability of signal lamp, need power supply screen as energy supply device, ensure that signal lamp can work normally under any condition.

[0003] Railway signal power supply screen in actual use, due to load failure, production process, component inherent characteristics and other reasons, often will produce railway signal power supply screen and signal lamp connection cable overheating, lead to local smoke even fire combustion, therefore need to implement temperature state monitoring to the cable of signal power supply screen, to ensure the safe and stable operation of signal power supply screen. UTILITY MODEL CONTENTS

[0004] The utility model needs to solve the technical problem provides a signal power supply screen cable temperature measuring probe device, can effectively contact cable end insulation sheath, realizes accurate measurement to the temperature of cable end.

[0005] In order to solve the above technical problem, the technical scheme adopted by the utility model is as follows.

[0006] A signal power supply screen cable temperature measuring probe device, including the clamping of the open bottom end for holding cable, the inner side of clamping is provided with thermal balance block through connecting piece, the inside of thermal balance block is provided with temperature sensing element for sensing cable temperature, temperature sensing element is connected monitoring instrument through signal line;Thermal balance block is arc structure, and the arc end of thermal balance block is towards the opening direction of clamping.

[0007] Further optimize technical scheme, connecting piece includes the guide pillar of setting in the top of thermal balance block and the positioning cap of setting above clamping, the end of guide pillar passes through clamping and is connected on positioning cap, and the spring is set on the guide pillar in the inside of clamping.

[0008] Further optimize technical scheme, clamping adopts 65Mn spring steel.

[0009] Further optimize technical scheme, thermal balance block is copper material.

[0010] Further optimize technical scheme, temperature sensing element is NTC thermistor.

[0011] Due to the above technical scheme, the technical progress achieved by the utility model is as follows.

[0012] The utility model provides a kind of signal power supply screen cable temperature measuring probe device, hoop type integration design is adopted, it is convenient to install and use, movable heat balance block structure is set in hoop, cable end insulation sheath can be effectively contacted, cable heat can be reliably transferred to temperature probe, the accurate detection of cable end temperature is realized. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the working schematic diagram of the utility model.

[0015] Among them:1. clamp, 2. heat balance block, 3. temperature sensing element, 4. signal line, 5. guide column, 6. positioning cap, 7. spring, 8. cable. DETAILED DESCRIPTION

[0016] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0017] A kind of signal power supply screen cable temperature measuring probe device, in combination Figure 1 As shown in the figure, including clamp 1, clamp 1 is the structure of bottom end opening, to hold tightly cable sheath, the inner side of clamp 1 is provided with heat balance block 2 by connecting piece, to conduct heat, heat balance block 2 is provided with temperature sensing element 3 inside, to induct the temperature of cable 8.

[0018] Clamp 1 adopts 65Mn spring steel, with good elasticity, can tightly and reliably clamp cable sheath.

[0019] Clamp 1 is punched into different specifications and sizes according to cable specifications, after clamp forming, surface is treated with paint dipping, so that clamp has insulation, moisture-proof and rust-proof characteristics, guarantee the safety and reliability when using.

[0020] Heat balance block 2 is arc structure, the arc end of heat balance block 2 is towards the opening direction of clamp 1, to increase the contact area of heat balance block and cable 8, heat balance block 2 adopts copper material, improves the heat conduction performance of heat balance block. Since the temperature of cable 8 does not exist mutation, through arc heat balance block, heat disturbance such as hot air or human can be reduced, the contact area with cable is increased, and the heat conduction path and temperature are ensured smooth.

[0021] Temperature sensing element 3 is arranged inside heat balance block 2, temperature sensing element is connected monitoring instrument through signal line 4, and the temperature of cable is acquired in real time.

[0022] Temperature sensing element 3 adopts NTC thermistor, with high precision, high sensitivity, high reliability, super high temperature characteristics, its measurement range is generally-10~+300 DEG C, completely meets the detection demand of cable temperature.

[0023] The connecting piece comprises a guide column 5, a positioning cap 6 and a spring 7, the guide column 5 is arranged at the top end of the heat balance block 2, the positioning cap 6 is arranged above the clamp 1, the end of the guide column 5 is connected to the bottom end of the positioning cap 6 through the clamp 1, the guide column 5 can move up and down in the clamp 1, the positioning cap 6 positions the guide column, and the spring 7 is sleeved on the guide column 5 in the clamp 1 and is used for tightly pressing the heat balance block.

[0024] The working schematic view of the utility model is shown as Figure 2 When the cable is clamped into the clamp, the clamp tightly holds the cable sheath by being opened to both sides, and the heat balance block is tightly contacted with the cable sheath, so that the heat of the cable can be fully conducted to the heat balance block, and the temperature sensing element can accurately sense the temperature of the cable sheath due to the copper material of the heat balance block.

Claims

1. A signal power panel cable temperature probe device, characterized by: The invention comprises a clamp (1) with an opening at the bottom end for clamping a cable, a heat balance block (2) is provided on the inner side of the clamp (1) via a connecting piece, a temperature sensing element (3) for sensing the temperature of the cable (8) is provided inside the heat balance block (2), and the temperature sensing element (3) is connected to a monitoring instrument via a signal line (4); the heat balance block (2) is an arc-shaped structure, and the arc-shaped end of the heat balance block (2) faces the opening direction of the clamp (1).

2. A signal power panel cable temperature probe device according to claim 1, characterized in that: The connecting piece comprises a guide post (5) arranged at the top end of the thermal balance block (2) and a positioning cap (6) arranged above the clamp (1); the end of the guide post (5) passes through the clamp (1) and is connected to the positioning cap (6); and a spring (7) is sleeved on the guide post (5) located inside the clamp.

3. The signal power panel cable temperature probe device according to claim 1, characterized in that: The clamp (1) is made of 65Mn spring steel.

4. The signal power panel cable temperature probe device according to claim 1, characterized in that: The thermal balance block (2) is made of copper material.

5. The signal power panel cable temperature probe device according to claim 1, characterized in that: The temperature sensing element (3) is an NTC thermistor.

Images