Portable steam heat supply pipeline leakage alarm device

The portable steam heating pipeline leak alarm device uses a thermistor and signal processing circuit to detect temperature changes, solving the fatigue problem caused by handheld detection in existing technologies and achieving fast and convenient pipeline leak detection.

CN223882183UActive Publication Date: 2026-02-06HUIZHOU HELI ZHENGTONG NEW ENERGY CO LTD
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Patent Information

Application Number
CN202520433441.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-06
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Existing steam heating pipeline leak detection equipment requires handheld operation, which leads to fatigue for personnel and low detection efficiency, especially in the case of long pipelines.

Method used

A portable steam heating pipeline leak alarm device was designed. It uses a thermistor to detect temperature changes, and combines a signal processing circuit and a microcontroller to trigger an alarm via a buzzer, enabling detection without prolonged handheld use.

Benefits of technology

It enables rapid and convenient pipeline leak detection, reduces personnel fatigue, and improves detection efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable steam heat supply pipeline leakage alarm device, which relates to the technical field of pipeline leakage and comprises a first arc-shaped plate, second arc-shaped plates are symmetrically arranged at the bottom end of the first arc-shaped plate, and fixing plates are respectively arranged on two sides of the first arc-shaped plate and two sides of the second arc-shaped plate. According to the utility model, the first arc-shaped plate and the second arc-shaped plate can be fixed on the surface of the pipeline through the bolts, and the telescopic rod is connected with the first connecting block and the second connecting block, so that the third arc-shaped plate and the fourth arc-shaped plate can move on the surface of the pipeline through the telescopic rod; the temperature change around the pipeline is detected through the thermistor, when the temperature change is caused by steam leakage, the resistance value of the thermistor changes correspondingly, the change can be recognized and processed by a follow-up circuit, finally, a worker is reminded through the work of the buzzer, and the detection mode does not need to hold the detection equipment by hand for a long time. And detection can be carried out only by pulling the arc-shaped plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline leakage technical field especially relates to a portable steam heat supply pipeline leakage alarm device. BACKGROUND

[0002] Steam heat supply pipeline is the important component in city central heat supply system, it carries heat from heat source with steam as heat medium, relies on steam's pressure to transport, enters radiator through steam pipeline, and after heat release, condensate flows into condensate tank through trap from condensate pipe, then is pumped into boiler by condensate pump and reheats to produce steam, and steam heat supply pipeline needs to be checked after long time use whether there is leakage phenomenon. UTILITY MODEL CONTENTS

[0003] The utility model provides a portable steam heat supply pipeline leakage alarm device, solves the problem in the background art.

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0005] A portable steam heat supply pipeline leakage alarm device, including first arc plate, the bottom of first arc plate symmetry is provided with second arc plate, and the both sides of first arc plate and second arc plate are provided with fixed plate respectively;

[0006] One side of first arc plate and second arc plate is provided with third arc plate and fourth arc plate, and the inner wall of third arc plate and fourth arc plate is provided with a plurality of thermistors at equal intervals;

[0007] The both sides of third arc plate and fourth arc plate are provided with mounting plate.

[0008] As further description of the above technical scheme:

[0009] The inside of mounting plate is provided with signal processing circuit and microcontroller, and the surface of mounting plate is provided with buzzer.

[0010] As further description of the above technical scheme:

[0011] The surface of fixed plate is provided with screw hole connected with bolt symmetrically.

[0012] As further description of the above technical scheme:

[0013] The first connecting block and the second connecting block are provided with a hole groove on the surface, and the hole grooves are connected with the telescopic rod.

[0014] As a further description of the above technical solution:

[0015] The top end of the first connecting block and the second connecting block is threadedly connected with a threaded rod for fixing the telescopic rod.

[0016] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0017] In the present application, the first arc-shaped plate and the second arc-shaped plate can be fixed on the surface of the pipeline by the bolt, and the telescopic rod is connected with the first connecting block and the second connecting block, so that the third arc-shaped plate and the fourth arc-shaped plate can be moved on the surface of the pipeline through the telescopic rod, so as to detect the temperature change around the pipeline through the thermistor, when the temperature change is caused by steam leakage, the resistance value of the thermistor will change accordingly, and this change can be recognized and processed by the subsequent circuit, and finally the personnel is reminded by the work of the buzzer. This detection method does not need to hold the detection equipment for a long time, and only needs to pull the arc-shaped plate to detect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a portable steam heating pipeline leakage alarm device structure schematic view;

[0019] Figure 2 It is Figure 1 The enlarged structure schematic view of A in the middle.

[0020] LEGEND:

[0021] The first arc-shaped plate; 2, the second arc-shaped plate; 3, the fixed plate; 4, the third arc-shaped plate; 5, the fourth arc-shaped plate; 6, the thermistor; 7, the mounting plate; 8, the telescopic rod; 9, the first connecting block; 10, the second connecting block; 11, the threaded hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Referring to Figure 1 , Figure 2The utility model provides a portable steam heat supply pipeline leakage alarm device, including first arc plate 1, the bottom end symmetry of first arc plate 1 is provided with second arc plate 2, and the both sides of first arc plate 1 and second arc plate 2 are provided with fixed plate 3 respectively, one side of first arc plate 1 and second arc plate 2 is provided with third arc plate 4 and fourth arc plate 5, and the inner wall of third arc plate 4 and fourth arc plate 5 is provided with a plurality of thermistors 6 at equal intervals, the both sides of third arc plate 4 and fourth arc plate 5 are provided with mounting plate 7, it is convenient to be fixed in the surface of pipeline after first arc plate 1 and second arc plate 2, and pull third arc plate 4 and fourth arc plate 5, can make it through telescopic link 8 and move limit, so as to detect the temperature around pipeline through the thermistor 6 of third arc plate 4 and fourth arc plate 5 inner wall, telescopic link 8 its structure is similar to fishing rod, is that a plurality of connecting pipe sleeves are set together, but it will not bend, after third arc plate 4 and fourth arc plate 5 are spliced into a circle, the inner diameter thereof is greater than the inner diameter after first arc plate 1 and second arc plate 2 are spliced into a circle, avoid the direct contact of the thermistor 6 of third arc plate 4 and fourth arc plate 5 inner wall with pipeline after first arc plate 1 and second arc plate 2 are fixed in the surface of pipeline and cause abrasion damage.

[0024] Further, the inside of mounting plate 7 is provided with a signal processing circuit and a microcontroller, and the surface of mounting plate 7 is provided with a buzzer. The thermistor 6 is responsible for detecting the temperature change around the pipeline. When the temperature changes due to steam leakage, the resistance value of the thermistor 6 will change accordingly. This change can be identified and processed by the signal processing circuit. The signal processing circuit is responsible for receiving the resistance value change signal of the thermistor 6 and converting it into an identifiable voltage or current signal. The microcontroller is used to compare the signal output by the signal processing circuit with the preset threshold value. If the signal exceeds the threshold value, the buzzer will work.

[0025] Further, the surface of the fixed plate 3 is symmetrically provided with a threaded hole 11 connected with a bolt, which is convenient for fixing and installing the first arc plate 1 and the second arc plate 2 on the surface of the pipeline by passing the bolt through the threaded hole 11.

[0026] Further, the top ends of the mounting plate 7 and the fixed plate 3 are provided with a first connecting block 9 and a second connecting block 10, and the surfaces of the first connecting block 9 and the second connecting block 10 are provided with hole grooves, and the hole grooves are connected with the telescopic link 8, which is convenient for installing the telescopic link 8 through the hole grooves on the connecting block, so that the movement of the third arc plate 4 and the fourth arc plate 5 can be supported by the telescopic link 8.

[0027] Further, the top ends of the first connecting block 9 and the second connecting block 10 are threadedly connected with a threaded rod for fixing the telescopic link 8, which is convenient for fixing the two ends of the telescopic link 8 in the hole grooves of the first connecting block 9 and the second connecting block 10 respectively by the threaded rod.

[0028] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A portable steam heat pipe leakage alarm device comprising a first arc-shaped plate (1), characterized in that: The bottom end of the first arc-shaped plate (1) is symmetrically provided with a second arc-shaped plate (2), and the two sides of the first arc-shaped plate (1) and the second arc-shaped plate (2) are respectively provided with fixed plates (3); One side of the first arc-shaped plate (1) and the second arc-shaped plate (2) is provided with a third arc-shaped plate (4) and a fourth arc-shaped plate (5), and a plurality of thermistors (6) are equidistantly arranged on the inner walls of the third arc-shaped plate (4) and the fourth arc-shaped plate (5); The two sides of the third arc-shaped plate (4) and the fourth arc-shaped plate (5) are provided with mounting plates (7).

2. A portable steam heat pipe leak alarm apparatus according to claim 1, wherein: The inside of the mounting plate (7) is provided with a signal processing circuit and a microcontroller, and the surface of the mounting plate (7) is provided with a buzzer.

3. A portable steam heat pipe leak alarm apparatus as defined in claim 1, wherein: The surface of the fixed plate (3) is symmetrically provided with a threaded hole (11) connected with a bolt.

4. The portable steam heat pipe leak alarm apparatus of claim 1, wherein: The top end of the mounting plate (7) and the fixed plate (3) is provided with a first connecting block (9) and a second connecting block (10), the surface of the first connecting block (9) and the second connecting block (10) is provided with a hole groove, and the hole grooves are connected with an expansion rod (8).

5. A portable steam heat pipe leak alarm apparatus according to claim 4, wherein: The top end of the first connecting block (9) and the second connecting block (10) is threadedly connected with a threaded rod for fixing the expansion rod (8).