Nitrogen making machine with gas leakage early warning function

By installing an early warning component on the connecting pipe of the nitrogen generator, and utilizing the pressure changes caused by gas leakage and fluorescent display, the problem of accurately determining the location of the leak in the existing technology is solved, enabling rapid identification and timely handling, and improving the safety and reliability of the nitrogen generator.

CN224109889UActive Publication Date: 2026-04-10苏州恒大净化设备有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The gas pipelines of existing nitrogen generators are prone to leakage during long-term use. Existing leak warning methods are difficult to accurately determine the location of the leak, which affects maintenance efficiency.

Method used

An early warning component is installed on the outside of the nitrogen generator's connecting pipe, including a sleeve assembly, a plug-in connector, a transmission component, a transparent rubber ring, and an alarm whistle. The whistle and fluorescent dust display are triggered by the pressure change caused by gas leakage, providing a visual indication of the leak location.

Benefits of technology

It enables rapid identification of leak locations, reduces the probability of accidents, protects personnel safety, reduces equipment damage and environmental pollution, and improves the reliability and stability of nitrogen generators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nitrogen making machine with a gas leakage early warning function, which comprises a nitrogen making machine body, a plurality of connecting pipelines are arranged on the nitrogen making machine body, and a plurality of early warning components are arranged on the outer sides of the connecting pipelines. According to the nitrogen making machine with the gas leakage early warning function provided by the utility model, when a connecting pipeline leaks, the alarm whistle can give out a harsh buzzing sound under the cooperation of the early warning assembly, so that the effect of prompting a worker to overhaul is achieved, and the early warning assembly can quickly respond and give out the harsh buzzing sound, so that the safety of the worker is improved. The instantaneity ensures that problems can be found in the first time, a series of safety problems such as personnel suffocation, equipment damage or environmental pollution can be caused by nitrogen leakage, buzzing of the early warning assembly can remind operators to take measures in time, potential risks are prevented, meanwhile, the probability of accidents can be reduced, and the safety of the operators is improved. Therefore, personnel safety is protected, equipment damage is reduced, and environmental pollution is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen making technical field, concretely is a kind of nitrogen making machine with gas leakage early warning function. BACKGROUND

[0002] Nitrogen making machine is the equipment that oxygen and nitrogen in air are separated to obtain nitrogen by using physical method, nitrogen making machine is applied in industry, according to the different classification method, can be divided into three, namely cryogenic air separation method, molecular sieve air separation method and membrane air separation method, nitrogen making machine is the nitrogen making equipment designed and manufactured according to pressure swing adsorption technology, nitrogen making machine uses high-quality imported carbon molecular sieve (CMS) as adsorbent, uses pressure swing adsorption principle (PSA) at room temperature to separate air to obtain high-purity nitrogen, usually uses two adsorption towers in parallel, by imported PLC controls imported pneumatic valve automatic operation, alternately carries out pressurized adsorption and decompression regeneration, completes nitrogen-oxygen separation, obtains the required high-purity nitrogen;

[0003] In the utility model patent with announcement number CN214087728U, including nitrogen making machine, four corners at the bottom end of nitrogen making machine are fixedly installed with moving mechanism, four moving mechanisms all include fixed round block, four fixed round blocks are fixedly installed at four corners at the bottom end of nitrogen making machine, rotating round block is rotatably installed in four fixed round blocks, and the bottom center position of four rotating round blocks is vertically fixedly connected with support rod, the bottom of four support rods is respectively penetrated through the lower bottom of corresponding fixed round block and fixedly installed with roller, two extrusion positioning mechanisms are fixedly installed at the bottom end of nitrogen making machine, two drive boxes are parallelly fixedly installed at the bottom end of nitrogen making machine, the cavity bottom of two drive box inner cavities is rotatably installed with worm gear, and the side of two worm gears is engagedly connected with worm, the utility model discloses a kind of nitrogen making machine, with the advantage that nitrogen making machine is not easy to slide in horizontal direction at multiple angles when working.

[0004] In the prior art including the above patent, the gas pipeline on the existing nitrogen making machine inevitably appears gas leakage during long time use, for example: the pipeline is broken due to the large gas pressure in the body of the nitrogen making machine, and the pipeline is rusted and corroded due to long time use, so that leakage occurs, and the existing leakage early warning method usually uses installation of early warning equipment for early warning, which makes it difficult for maintenance personnel to accurately determine the main leakage position, thereby affecting the efficiency of maintenance. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of nitrogen making machine with gas leakage early warning function to solve the problems raised in the above background.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a nitrogen making machine with gas leakage early warning function, connecting pipeline is provided with a plurality of early warning components on the outside,

[0007] Each early warning component includes a sleeve assembly sleeved on the outer wall of the connecting pipeline, a slow release component is arranged on each early warning component, a split ring is fixedly arranged on the inner wall of the sleeve assembly, a plurality of plug-in sockets are inserted on the split ring, one end of the plug-in socket is connected with the inside of the split ring, and the other end of the plug-in socket is penetrated from the inside of the sleeve assembly to the outside thereof, each plug-in socket is hollow, a transmission component is arranged in each plug-in socket, two side pipes are inserted on the arc outer wall of each plug-in socket, and one end of the two side pipes is penetrated from the outer wall of the plug-in socket to the inside thereof, split annular grooves are formed on the inner wall of the sleeve assembly on the two sides of the plurality of side pipes, two transparent rubber rings are fixedly arranged on one side of the inner wall of the sleeve assembly between the two split annular grooves, two transparent plastic rings are fixedly arranged on the outer wall of the sleeve assembly, and the two transparent plastic pipes are sleeved on the outer wall of the two transparent rubber rings, a plurality of pressure relief holes are formed in the inner wall of each transparent rubber ring, and an alarm whistle is fixedly arranged in each pressure relief hole.

[0008] Further, the plurality of plug-in sockets are arranged in an annular array on the sleeve assembly, and a plurality of arc-shaped through grooves are formed in each sleeve assembly.

[0009] Further, the transmission component comprises a pressure plate which is slidably connected with the inner wall of the plug-in socket, the pressure plate is located on one side of the arc-shaped through groove close to the axial center line of the sleeve assembly, a pushing plate is arranged on the other side of the arc-shaped through groove, the arc-shaped outer wall of the pushing plate is slidably connected with the inner wall of the plug-in socket, the two side pipes are located on one side of the pushing plate away from the axial center line of the sleeve assembly, a telescopic rod is mounted on the pressure plate, one end of the telescopic rod is fixedly connected with the end portion of the pushing plate, and the fluorescent dust is located on one side of the pushing plate away from the pressure plate.

[0010] Further, the two side pipes are symmetrically arranged about the plug-in socket, the two split annular grooves are symmetrically arranged about the plug-in socket, the two transparent rubber rings are symmetrically arranged about the plug-in socket, and a plurality of pressure relief holes are evenly distributed on the two transparent rubber rings, one end of each pressure relief hole is penetrated from the inner wall of the transparent plastic pipe to the outside thereof.

[0011] Further, the slow release component comprises a first cavity formed in the inner wall of the split ring, a second cavity is formed in one end of the plug-in socket close to the axial center line of the sleeve assembly, the second cavity is in communication with the first cavity and the arc-shaped through groove on the two sides thereof, a third cavity is formed in the inner wall of the sleeve assembly, and the third cavity is located between the sleeve assembly and the split ring.

[0012] Further, the third cavity is communicated with the side conduit through two dispersion annular grooves, the third cavity is communicated with a plurality of arc-shaped through grooves, and the third cavity is also communicated with a plurality of pressure relief holes.

[0013] Further, a group of mutually adsorbed magnetic buckles are arranged at the connecting positions between the sleeve assemblies.

[0014] Compared with the prior art, the nitrogen making machine with the gas leakage early warning function has the following advantages.

[0015] (1) When the connecting pipeline leaks, the alarm whistle can emit a piercing buzzing sound under the cooperation of the early warning assembly, thereby playing a role in prompting the staff to overhaul. The early warning assembly can quickly respond and emit a piercing buzzing sound. Such instantaneity ensures that the problem can be discovered at the first time. In addition, the leakage of nitrogen gas can cause a series of safety problems, such as personnel suffocation, equipment damage or environmental pollution. The buzzing sound of the early warning assembly can remind the operator to take timely measures to prevent potential dangers and reduce the probability of accidents, thereby protecting the safety of personnel, reducing equipment damage and avoiding environmental pollution.

[0016] (2) When the connecting pipeline leaks, the fluorescent dust on the transparent rubber ring can emit fluorescence that can penetrate the transparent plastic pipe under the action of the early warning assembly, and the sleeve assembly surface can emit a certain visible light, thereby prompting the staff to overhaul the leakage position. The pipeline at the leakage position emits visible light, so that the operator can quickly and intuitively identify the leakage point. By discovering and handling the leakage in a timely manner, equipment failure and damage can be reduced, the overall reliability and stability of the nitrogen making machine can be improved, and the visible light alarm as an intuitive safety warning means can help prevent fires, explosions and other accidents caused by leakage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the whole utility model;

[0018] Figure 2 It is a structural schematic view of the early warning assembly and the connecting pipeline connection structure of the utility model;

[0019] Figure 3 It is a structural schematic view of the early warning assembly of the utility model;

[0020] Figure 4 It is a structural schematic view of the plug-in connector section;

[0021] Figure 5 It is a structural schematic view of the split ring and the sleeve assembly connection structure of the utility model;

[0022] Figure 6 It is a structure schematic view of the utility model plug-in socket.

[0023] In the figure: 1, nitrogen making machine body; 11, connecting pipeline;

[0024] 2, early warning assembly;21, sleeve assembly;22, split ring;23, plug-in socket;231, pressure plate;232, push plate;233, telescopic rod;24, side conduit;25, dispersion annular groove;26, transparent rubber ring;27, pressure relief hole;

[0025] 3, slow release assembly;31, first cavity;32, second cavity;33, third cavity. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-6 The technical scheme provided by the utility model: Embodiment 1

[0028] In this embodiment, a nitrogen making machine with gas leakage early warning function, comprising nitrogen making machine body 1, nitrogen making machine body 1 is provided with a plurality of connecting pipeline 11, connecting pipeline 11 outside is provided with a plurality of early warning assembly 2;

[0029] Each early warning component 2 comprises a sleeve assembly 21 sleeved on the outer wall of the connecting pipe 11, each early warning component 2 is provided with a slow release component 3, the inner wall of the sleeve assembly 21 is fixedly provided with a split ring 22, a plurality of plug-in seats 23 are inserted on the split ring 22, one end of the plug-in seat 23 is connected with the inside of the split ring 22, and the other end of the plug-in seat 23 penetrates from the inside of the sleeve assembly 21 to the outside thereof, each plug-in seat 23 is hollow, each plug-in seat 23 is provided with a transmission assembly inside, two side guide pipes 24 are inserted on the arc-shaped outer wall of each plug-in seat 23, and one end of the two side guide pipes 24 penetrates from the outer wall of the plug-in seat 23 to the inside thereof, a dispersed annular groove 25 is formed on the inner wall of the sleeve assembly 21 and located on both sides of the plurality of side guide pipes 24, two transparent rubber rings 26 are fixedly arranged on one side of the inner wall of the sleeve assembly 21 and located on both sides of the dispersed annular groove 25, two transparent plastic rings are fixedly arranged on the outer wall of the sleeve assembly 21, and the outer wall of the two transparent plastic rings is sleeved with the two transparent rubber rings 26, a plurality of pressure relief holes 27 are formed on the inner wall of each transparent rubber ring 26, and an alarm whistle is fixedly arranged in each pressure relief hole 27, and the plug-in seat 23 is provided with fluorescent dust inside;

[0030] The plurality of plug-in seats 23 are arranged in an annular array on the sleeve assembly 21, and a plurality of arc-shaped through grooves are formed on each sleeve assembly 21;

[0031] The transmission assembly comprises a pressure plate 231 which is in sliding connection with the inner wall of the plug-in seat 23, the pressure plate 231 is located on one side of the arc-shaped through groove close to the axial center line of the sleeve assembly 21, a pushing plate 232 is arranged on the other side of the arc-shaped through groove, and the arc-shaped outer wall of the pushing plate 232 is in sliding connection with the inner wall of the plug-in seat 23, the two side guide pipes 24 are located on one side of the pushing plate 232 away from the axial center line of the sleeve assembly 21, a telescopic rod 233 is arranged on the pressure plate 231, one end of the telescopic rod 233 is fixedly connected with the end of the pushing plate 232, and the fluorescent dust is located on one side of the pushing plate 232 away from the pressure plate 231;

[0032] The two side guide pipes 24 are symmetrically arranged about the plug-in seat 23, the two dispersed annular grooves 25 are symmetrically arranged about the plug-in seat 23, the two transparent rubber rings 26 are symmetrically arranged about the plug-in seat 23, and a plurality of pressure relief holes 27 are uniformly distributed on the two transparent rubber rings 26, respectively, and one end of each pressure relief hole 27 penetrates from the inner wall of the transparent plastic tube to the outside thereof;

[0033] The slow release component 3 comprises a first cavity 31 formed in the inner wall of the split ring 22, a second cavity 32 is formed in one end of the plug-in seat 23 close to the axial center line of the sleeve assembly 21, and the second cavity 32 is in communication with the first cavity 31 and the arc-shaped through groove on both sides, respectively, a third cavity 33 is formed in the inner wall of the sleeve assembly 21, and the third cavity 33 is located between the sleeve assembly 21 and the split ring 22;

[0034] The third cavity 33 is communicated with the side conduit 24 through two dispersion annular grooves 25, the third cavity 33 is communicated with a plurality of arc-shaped grooves, and the third cavity 33 is also communicated with a plurality of pressure relief holes 27;

[0035] A group of mutually adsorbed magnetic buckles are arranged at the connection positions between the sleeve assemblies 21, and the magnetic buckles are annular;

[0036] When the connecting pipeline 11 on the nitrogen making machine body 1 leaks, the gas at the leakage position can enter the inside of the sleeve assembly 21 at the position, and the gas can enter the inside of the first cavity 31. With the continuous leakage of the gas, the gas pressure in the first cavity 31 increases, thereby pushing the plurality of pressure plates 231 on the plurality of plug-in sockets 23 to slide. When the pressure plates 231 slide to one side of the arc-shaped grooves, at this time, the first cavity 31 can be communicated with the arc-shaped grooves, and the gas in the first cavity 31 can enter the inside of the third cavity 33 through the second cavity 32 under the action of the gas pressure, and finally the gas in the third cavity 33 can be discharged through the plurality of pressure relief holes 27, thereby slowing down the pressure relief speed. At the same time, the sliding of the pressure plates 231 can compress the telescopic rods 233, at this time, the pushing plates 232 can continuously slide in the inner wall of the plug-in sockets 23 under the elastic force of the telescopic rods 233, and push the fluorescent powder in the plug-in sockets 23, and make the fluorescent powder enter the inside of the two dispersion annular grooves 25 through the two side conduits 24. At this time, the gas entering the inside of the third cavity 33 from the second cavity 32 can carry the fluorescent powder in the dispersion annular grooves 25 into contact with the inner wall of the transparent rubber ring 26, and the gas discharged from the plurality of pressure relief holes 27 can pass through the alarm whistle, thereby emitting a loud buzzing sound, thereby prompting the staff to overhaul, and the fluorescent powder on the transparent rubber ring 26 emits fluorescent light, which can emit a certain visible light through the transparent plastic pipe, thereby prompting the staff to overhaul the leakage position.

[0037] Working principle: in use, when the connecting pipeline 11 on the nitrogen making machine body 1 leaks, the gas at the leakage site can enter the sleeve assembly 21 inside the site, and the gas can enter the first cavity 31 inside, and the continuous leakage of the gas will cause the pressure in the first cavity 31 to increase, thereby pushing the plurality of pressure plates 231 on the plurality of sockets 23 to slide, when the pressure plate 231 slides to one side of the arc-shaped through groove, at this time the first cavity 31 can be communicated with the arc-shaped through groove, and the gas in the first cavity 31 can enter the third cavity 33 inside through the second cavity 32 under the action of gas pressure, and finally the gas in the third cavity 33 can be discharged through the plurality of pressure relief holes 27, at the same time, the sliding of the pressure plate 231 can compress the telescopic rod 233, at this time the pushing plate 232 can continuously slide in the inner wall of the socket 23 under the elastic force of the telescopic rod 233, and push the fluorescent powder dust in the socket 23, and make the fluorescent powder dust enter the two dispersion annular grooves 25 inside through the two side conduits 24, and at this time the gas entering the third cavity 33 inside from the second cavity 32 can carry the fluorescent powder dust in the dispersion annular groove 25 into contact with the inner wall of the transparent rubber ring 26, and the gas discharged from the plurality of pressure relief holes 27 can pass through the alarm whistle, so that it emits a loud buzzing sound, and the fluorescent powder dust on the transparent rubber ring 26 emits fluorescent light which can emit a certain visible light through the transparent plastic pipe.

[0038] It is apparent for a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A nitrogen generator with a gas leakage early warning function, comprising a nitrogen generator body (1), characterized in that: The nitrogen making machine body (1) is provided with a plurality of connecting pipes (11), and the outer side of the connecting pipe (11) is provided with a plurality of early warning components (2); each early warning component (2) comprises a sleeve assembly (21) sleeved on the outer wall of the connecting pipe (11), and a slow release component (3) is arranged on each early warning component (2); a split ring (22) is fixedly arranged on the inner wall of the sleeve assembly (21), a plurality of plug-in sockets (23) are inserted on the split ring (22), one end of the plug-in socket (23) is communicated with the inside of the split ring (22), and the other end of the plug-in socket (23) penetrates from the inside of the sleeve assembly (21) to the outside thereof; each plug-in socket (23) is hollow, each plug-in socket (23) is provided with a transmission component, two side pipes (24) are inserted on the arc-shaped outer wall of each plug-in socket (23), and one end of the two side pipes (24) penetrates from the outer wall of the plug-in socket (23) to the inside thereof; a dispersion ring groove (25) is formed on the inner wall of the sleeve assembly (21) on the two sides of a plurality of side pipes (24), two transparent rubber rings (26) are fixedly arranged on the inner wall of the sleeve assembly (21) on one side of the two dispersion ring grooves (25) respectively, two transparent plastic rings are fixedly arranged on the outer wall of the sleeve assembly (21), and the two transparent plastic pipes are sleeved on the outer wall of the two transparent rubber rings (26); a plurality of pressure relief holes (27) are formed in the inner wall of each transparent rubber ring (26), and an alarm whistle is fixedly arranged in each pressure relief hole (27); and the plug-in socket (23) is provided with fluorescent dust.

2. The nitrogen generator with gas leakage early warning function according to claim 1, characterized in that: A plurality of plug-in sockets (23) are arranged in an annular array on the sleeve assembly (21), and a plurality of arc-shaped through grooves are formed in each sleeve assembly (21).

3. The nitrogen generator with gas leakage early warning function according to claim 2, characterized in that: The transmission component comprises a pressure plate (231) in sliding connection with the inner wall of the plug-in socket (23), the pressure plate (231) is located on one side of the arc-shaped through groove close to the axial center line of the sleeve assembly (21), a pushing plate (232) is arranged on the other side of the arc-shaped through groove, and the arc-shaped outer wall of the pushing plate (232) is in sliding connection with the inner wall of the plug-in socket (23); two side pipes (24) are located on one side of the pushing plate (232) away from the axial center line of the sleeve assembly (21); a telescopic rod (233) is installed on the pressure plate (231), one end of the telescopic rod (233) is fixedly connected with the end portion of the pushing plate (232), and the fluorescent dust is located on one side of the pushing plate (232) away from the pressure plate (231).

4. The nitrogen generator with gas leakage early warning function according to claim 1, characterized in that: The two side pipes (24) are symmetrically arranged about the plug-in socket (23), the two dispersion ring grooves (25) are symmetrically arranged about the plug-in socket (23), the two transparent rubber rings (26) are symmetrically arranged about the plug-in socket (23), a plurality of pressure relief holes (27) are evenly distributed on the two transparent rubber rings (26) respectively, and one end of each pressure relief hole (27) penetrates from the inner wall of the transparent plastic pipe to the outside thereof.

5. The nitrogen generator with gas leakage early warning function according to claim 1, characterized in that: The slow-release assembly (3) comprises a first cavity (31) formed in the inner wall of the split ring (22), the plug-in seat (23) is provided with a second cavity (32) near one end of the axis of the sleeve assembly (21), and the two sides of the second cavity (32) are respectively connected with the first cavity (31) and the arc-shaped through slot, and the inner wall of the sleeve assembly (21) is provided with a third cavity (33), and the third cavity (33) is located between the sleeve assembly (21) and the split ring (22).

6. The nitrogen generator with gas leakage early warning function according to claim 5, characterized in that: The third cavity (33) is connected with the side conduit (24) through two dispersion annular grooves (25), the third cavity (33) is connected with a plurality of arc-shaped through slots, and the third cavity (33) is also connected with a plurality of pressure relief holes (27).

7. The nitrogen generator with gas leakage early warning function according to claim 1, characterized in that: A group of mutually adsorbed magnetic attraction buckles are arranged at the connecting positions between a plurality of sleeve assemblies (21), and the magnetic attraction buckles are annular.

Citation Information

Patent Citations

  • Nitrogen making machine

    CN214087728U