Leakage alarm device for hydrogen storage tank

Abstract

The utility model relates to the technical field of hydrogen storage tanks, in particular to a leakage alarm device for a hydrogen storage tank. Comprising a sealing shell providing sealing performance to strengthen connection and a tank body installed on the sealing shell, the sealing shell is located outside the air inlet end of the tank body, the joint of the sealing shell and the tank body is filled with first colloid and second colloid, a detector is installed outside the sealing shell, the detection end of the detector extends into the sealing shell and is close to the tank body, and the detection end of the detector is connected with the air inlet end of the tank body. A detection rod is installed at the testing end of the detector and penetrates into the sealed shell, and alarms are installed on the two sides of the outer portion of the detector. According to the utility model, the hydrogen concentration in the sealed shell is monitored in real time through the detector, and the alarm is triggered once leakage is found; through multiple protection mechanisms of the pressure valve, the pressure relief cylinder, the electromagnetic valve and the like, excessive accumulation or continuous leakage of hydrogen can be effectively prevented under different conditions, and the occurrence probability of explosion and other secondary accidents is reduced to the maximum extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen storage tank technical field especially relates to a kind of for hydrogen storage tank leakage alarm device. BACKGROUND

[0002] Hydrogen storage tank is a kind of container specially designed for safe storage of hydrogen, widely used in various links of hydrogen energy industry chain, including production, transportation, storage and use.

[0003] Hydrogen storage tank leakage is a serious safety hazard, because hydrogen has highly flammable and explosive. If hydrogen leakage occurs, appropriate measures must be taken immediately to ensure safety.

[0004] However, many hydrogen storage tank leakage alarm devices on the current market have significant limitations in design, especially in the diversity and redundancy of protection mechanisms. Most existing devices often rely on simple pressure release or alarm functions, lacking multi-level and multi-dimensional protection measures. Such design is particularly vulnerable in the face of complex leakage situations. Once a key component fails, the entire system may not be able to effectively respond to the leakage situation, leading to a sharp rise in safety risks.

[0005] Therefore, it is necessary to design a hydrogen storage tank leakage alarm device to solve the above technical problems. INVENTION CONTENTS

[0006] In order to overcome the shortcomings of the prior art, the utility model provides a kind of for hydrogen storage tank leakage alarm device.

[0007] Technical scheme: a kind of for hydrogen storage tank leakage alarm device, including the sealing shell that provides sealing performance to strengthen connection, tank body is installed on the sealing shell, sealing shell is located at the gas inlet end outside of tank body, sealing shell and the connecting place of tank body are filled with gum one and gum two respectively, detector is installed outside sealing shell, and its detection end is inserted into sealing shell inside and is close to tank body, detection rod is installed on the detection end of detector, detection rod is deeply into sealing shell, alarm is installed on both sides outside detector, linkage mechanism is provided between alarm and detector, shunt pipe is communicated outside sealing shell, pressure valve is connected at the end of shunt pipe, mounting bracket is provided at both sides of lower part outside sealing shell, and relief cylinder is loaded in the inside of mounting bracket, mobile plate is slidably arranged in relief cylinder by pressure on both sides in the inside of relief cylinder, elastic member is arranged between mobile plate and the inside of relief cylinder, first trigger block is provided at the end of elastic member close to relief cylinder, second trigger block is provided at both ends in the inside of relief cylinder, connecting pipe is connected at both sides of middle direction outside sealing shell, relief cylinder is connected with sealing shell through connecting pipe, and electromagnetic valve is connected on connecting pipe.

[0008] In a preferred embodiment of the present application, the sealing shell and the connecting pipe are made of environment-friendly materials.

[0009] In a preferred embodiment of the present application, the detector is equipped with a wireless module supporting remote control.

[0010] In a preferred embodiment of the present application, the sealing shell is provided with a stabilizing seat connected with the detector.

[0011] In a preferred embodiment of the present application, the shunt pipe is arranged in a circular ring shape.

[0012] In a preferred embodiment of the present application, the first trigger block and the second trigger block are in sliding contact and electrically connected.

[0013] The present application has the following advantages:

[0014] 1. The present application can monitor the hydrogen concentration in the sealing shell in real time through the detector, and trigger the alarm immediately once leakage is found. With multiple protection mechanisms such as pressure valve, pressure relief cylinder and electromagnetic valve, the hydrogen can be effectively prevented from excessive accumulation or continuous leakage under different conditions, thereby greatly reducing the probability of explosion and other secondary accidents.

[0015] 2. The present application fills the connecting part of the sealing shell and the tank with gum I and gum II, which not only enhances the sealing effect, but also has certain flexibility and corrosion resistance, ensuring that the sealing performance remains good after long-term use and reducing the risk of leakage due to sealing failure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the sealing shell, the tank and the first filling gum of the present application.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the sealing shell, the shunt pipe and the pressure valve of the present application.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the mounting bracket, the connecting pipe and the electromagnetic valve of the present application.

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the moving plate, the elastic member and the first trigger block of the present application.

[0021] Wherein, the above-mentioned drawings include the following reference signs: 1: sealing shell, 101: tank body, 2: gum one, 3: gum two, 4: detector, 5: alarm, 6: detection rod, 7: shunt pipe, 8: pressure valve, 9: mounting frame, 10: connecting pipe, 11: electromagnetic valve, 12: pressure relief cylinder, 13: moving plate, 14: elastic member, 15: first trigger block, 16: second trigger block. DETAILED DESCRIPTION

[0022] The present application will now be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the application are shown. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and fully convey the scope of the application to those skilled in the art.

[0023] Embodiment: a kind of for hydrogen storage tank leakage alarm device, such as Figures 1-5As shown, including the sealing performance to enhance the connection of the sealing shell 1, installed on the sealing shell 1 tank 101, sealing shell 1 is located in the gas end outside the tank 101, its main role is to form a closed space, in order to detect whether the hydrogen gas from the tank 101 leak out, sealing shell 1 and the tank 101 connection are filled with glue one 2 and glue two 3, the two kinds of glue material not only enhances the sealing effect, also has certain flexibility and corrosion resistance, ensure that after a long time still maintain good sealing performance, detector 4 is installed outside the sealing shell 1, the sealing shell 1 upper part is equipped with stable seat, the stable seat is connected with detector 4, detector 4 is equipped with wireless module supporting remote control, its detection end stretches into the sealing shell 1 inside and close to the tank 101, ensure that can directly monitor any possible leakage point, detector 4 detection end is installed with detection rod 6, detection rod 6 goes deep into the sealing shell 1, can more sensitive to capture trace hydrogen leakage, detector 4 adopts high sensitivity hydrogen sensor technology, once detects the hydrogen concentration exceeds the preset threshold, immediately trigger alarm mechanism, detector 4 both sides are installed with alarm 5, these alarm 5 can send sound and light alarm when detecting hydrogen leakage, remind the surrounding personnel to pay attention to safety, alarm 5 and detector 4 between the linkage mechanism is equipped, when detector 4 detects abnormal, alarm 5 will automatically start, and can transmit alarm information to remote monitoring system through wireless or wired way, the sealing shell 1 outside is connected with the shunt pipe 7 arranged in the form of a ring, this design helps to evenly distribute gas pressure, prevent local pressure too high lead to further leakage, shunt pipe 7 end is connected with pressure valve 8, when the sealing shell 1 internal pressure reaches a certain level, pressure valve 8 will automatically open, release the excess pressure, avoid the sealing shell 1 due to overpressure and damage, the sealing shell 1 lower outside both sides are provided with mounting bracket 9, mounting bracket 9 is loaded with pressure relief cylinder 12 inside, play the role of buffer and pressure relief, pressure relief cylinder 12 inside both sides rely on pressure sliding mobile plate 13, mobile plate 13 and pressure relief cylinder 12 inside are provided with elastic element 14, when the sealing shell 1 internal pressure increases, mobile plate 13 will slide to the inside of pressure relief cylinder 12 under the action of pressure, compression elastic element 14, elastic element 14 close to one end of pressure relief cylinder 12 is provided with first trigger block 15, pressure relief cylinder 12 inside both ends are provided with second trigger block 16, first trigger block 15 and second trigger block 16 sliding contact, and there is electrical connection, when mobile plate 13 slides to the limit position, first trigger block 15 and second trigger block 16 contact, trigger the pressure relief mechanism in pressure relief cylinder 12, rapidly reduce the pressure in the sealing shell 1, sealing shell 1 outside middle direction both sides are connected with connecting pipe 10, pressure relief cylinder 12 is connected with sealing shell 1 through connecting pipe 10, sealing shell 1 and connecting pipe 10 are made of environmentally friendly materials, connecting pipe 10 is connected with electromagnetic valve 11, electromagnetic valve 11 is controlled by control system according to the feedback signal of detector 4, when detector 4 detects hydrogen leakage,The control system will immediately close the electromagnetic valve 11, cut off the gas flow path between the sealed housing 1 and the outside world, and prevent more hydrogen from leaking; in addition, the entire device should be equipped with a central control unit responsible for coordinating the work of each component, the central control unit receives data from the detector 4 and automatically controls the action of components such as alarm 5, pressure valve 8, electromagnetic valve 11, etc. according to the set parameters.

[0024] Specifically, when the detector 4 detects that the hydrogen concentration exceeds the preset threshold, it will immediately pass this information to the central control unit, which will trigger a series of automated emergency measures, first, the alarm 5 installed on both sides of the detector 4 is activated, emitting a strong sound and light alarm to ensure that the surrounding personnel can quickly realize the potential danger and take appropriate risk-avoiding actions, at the same time, in order to prevent the pressure from rising due to the accumulation of hydrogen, the pressure valve 8 connected at the end of the shunt pipe 7 is automatically opened, safely releasing excess pressure into the environment to avoid damage to the sealed housing 1 due to overpressure, if the leakage amount is large, the moving plate 13 in the pressure relief cylinder 12 will slide under the action of pressure, compressing the elastic element 14, when the moving plate 13 slides to the limit position, the first trigger block 15 and the second trigger block 16 are in contact, triggering the pressure relief mechanism in the pressure relief cylinder 12, rapidly reducing the pressure in the sealed housing 1, in addition, the electromagnetic valve 11 is automatically closed according to the instructions of the central control unit, cutting off the gas flow path between the sealed housing 1 and the outside world, preventing more hydrogen from leaking from the tank body 101, the central control unit will also transmit alarm information to the remote monitoring center through wireless or wired means, ensuring that management personnel can understand the situation in the first time and take necessary emergency measures.

[0025] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range of those skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A hydrogen storage tank leakage alarm device, characterized by, The utility model provides a sealing shell (1) that provides sealing performance to strengthen the connection, a can body (101) installed on the sealing shell (1), the sealing shell (1) is located outside the air inlet end of the can body (101), the connection of the sealing shell (1) and the can body (101) is filled with gum one (2) and gum two (3) respectively, a detector (4) is installed outside the sealing shell (1), the detection end of the detector (4) is inserted into the sealing shell (1) and is close to the can body (101), a detection rod (6) is installed on the detection end of the detector (4), the detection rod (6) is inserted into the sealing shell (1), a linkage mechanism is arranged between the detector (4) and an alarm (5), a shunt pipe (7) is communicated outside the sealing shell (1), a pressure valve (8) is connected to the end of the shunt pipe (7), mounting racks (9) are arranged on both sides of the lower part of the sealing shell (1), relief cylinders (12) are loaded in the mounting racks (9), moving plates (13) are slidably arranged in the relief cylinders (12), elastic members (14) are arranged between the moving plates (13) and the relief cylinders (12), first trigger blocks (15) are arranged on the end of the relief cylinders (12) close to the elastic members (14), second trigger blocks (16) are arranged at both ends of the relief cylinders (12), connecting pipes (10) are connected to both sides of the middle of the sealing shell (1), the relief cylinders (12) are connected to the sealing shell (1) through the connecting pipes (10), and electromagnetic valves (11) are connected to the connecting pipes (10).

2. A hydrogen storage tank leakage alarm device according to claim 1, wherein The sealing shell (1) and the connecting pipe (10) are made of environmentally friendly materials.

3. A hydrogen storage tank leakage alarm device according to claim 2, wherein The detector (4) is equipped with a wireless module supporting remote control.

4. A hydrogen storage tank leakage alarm device according to claim 3, wherein A stabilizing seat is arranged on the upper part of the sealing shell (1) and connected to the detector (4).

5. A hydrogen storage tank leak alarm device according to claim 4, wherein The shunt pipe (7) is arranged in a circular ring shape.

6. A hydrogen storage tank leak alarm device according to claim 5, wherein The first trigger block (15) and the second trigger block (16) are in sliding contact and electrically connected.

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