CN211553220U

CN211553220U - Hydrogen fuel cell leak detection device

Info

Publication number: CN211553220U
Application number: CN202020550326.2U
Authority: CN
Inventors: 于锋; 沈淳
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-09-22
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a belongs to the technical field of leak hunting device, specifically a hydrogen fuel cell leak hunting device, including the protection frame, the protection frame inside wall bottom left and right sides all sets up the supporting mechanism, detect the chamber and locate the damping spring top, detect the intracavity inside wall left and right sides all sets up fixed subassembly, detect the subassembly and locate on detect the chamber, detect intracavity portion hydrogen content concentration in real time through hydrogen sensor, then transmit the data information that detects to microprocessor, microprocessor will receive data information and carry the electronic display screen display, conveniently observe the record, and, when hydrogen sensor detects to detect intracavity portion has hydrogen element, control the alarm through microprocessor and report to the police, increased the holistic automation and intellectuality of equipment, simultaneously, form the vibration power that the equipment during operation produced through movable rod and damping spring cooperation formation damping elastic component, and can reduce the noise generated when the equipment works.

Description

Hydrogen fuel cell leak detection device

Technical Field

The utility model relates to a hydrogen fuel technical field specifically is a hydrogen fuel cell leak hunting device.

Background

Hydrogen is a colorless gas, one gram of hydrogen can release 142 kilo-joules of heat when burning, 3 times of gasoline heat, the combustion product is water, no ash and waste gas can not pollute the environment, the hydrogen is particularly light, and is lighter than gasoline, natural gas and kerosene, so the carrying and conveying are inconvenient, but the hydrogen as fuel is still considered to be the most ideal energy source in the 21 st century, the hydrogen fuel as the energy source has the outstanding characteristics of no pollution, high efficiency and cyclic utilization, the hydrogen is cleanest when burning, pollutants harmful to the environment such as carbon monoxide, carbon dioxide, hydrocarbon, lead compounds and dust particles can not be generated except for generating water and a small amount of hydrogen nitride, the small amount of hydrogen nitride can not pollute the environment after being properly treated, and the water generated by burning can also continuously generate hydrogen and be recycled, the water is non-corrosive, the device is not damaged.

The hydrogen fuel cell is used as a novel energy source, is a main energy storage device of the current satellite, and has wide prospect in the fields of green energy automobiles, airships and the like. The sealing performance of the cell is directly related to the service life and parameter stability of the cell, and is more related to the operation and use safety, so that the leak detection test needs to be carried out on the hydrogen fuel cell.

The leak hunting nature of current hydrogen fuel cell leak hunting device is relatively poor, and when using, the vibrations of production can bring very big noise, and the shell of device can only be a small amount block the propagation of noise, can't make the noise weaken very effectively, certain pollution has been caused to operational environment, and simultaneously, current leak hunting device lacks certain fixed equipment, owing to lack effectual fixed, when examining hydrogen fuel cell, can produce vibrations, and then can cause certain damage to hydrogen fuel cell, and, current device intelligence is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen fuel cell leak hunting device, accessible hydrogen sensor real-time detection intracavity portion hydrogen content concentration to, form the vibration power that shock attenuation elastic component can reduce equipment during operation production through the movable rod with the damping spring cooperation, thereby reduce equipment during operation noise, and through making an uproar the baffle of inhaling of falling integrated into one piece on, can absorb once more the noise that inside produced, further reduce the noise that equipment produced in the course of the work.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a hydrogen fuel cell leak hunting device, each partial relation of connection is as follows: it includes protection frame, supporting mechanism, detects the chamber, fixed subassembly, determine module and the layer of making an uproar of falling, protection frame inside wall bottom left and right sides all sets up supporting mechanism, supporting mechanism includes telescopic link and damping spring, two the telescopic link rigid coupling respectively protection frame inside wall bottom left and right sides, two the telescopic link lateral wall all overlaps and establishes damping spring, it locates to detect the chamber the damping spring top, it all sets up to detect the intracavity lateral wall left and right sides fixed subassembly, determine module locates detect on the chamber, protection frame inside wall cladding the layer of making an uproar falls.

As a preferred embodiment of the leak detection device for a hydrogen fuel cell of the present invention, wherein: the protection frame lateral wall bottom bonds and has the base, many crisscross anti-skidding lines that set up are seted up to base lateral wall bottom, just the siren is installed on protection frame lateral wall top left side.

As a preferred embodiment of the leak detection device for a hydrogen fuel cell of the present invention, wherein: detect the lateral wall of chamber and have a sealing door through hinge connection, detect intracavity lateral wall bottom and seted up the spout, fixed subassembly comprises compression spring and splint, the equal joint in the left and right sides bottom of supporting mechanism inside wall compression spring, two compression spring sets up relatively, two the equal rigid coupling of the relative one end tip of compression spring splint, and two splint all with spout sliding connection.

As a preferred embodiment of the leak detection device for a hydrogen fuel cell of the present invention, wherein: the detection assembly comprises a microprocessor, a hydrogen sensor, a vacuum pump and a liquid crystal display screen, the microprocessor is embedded in the central position of the rear side wall of the detection cavity, the hydrogen sensor is connected with the central position of the top of the inner side wall of the detection cavity, the top of the detection cavity is mounted on the vacuum pump, the liquid crystal display screen is fixedly connected with the outer side wall of the protection frame, and the alarm, the hydrogen sensor, the vacuum pump and the liquid crystal display screen are all electrically connected with the microprocessor.

As a preferred embodiment of the leak detection device for a hydrogen fuel cell of the present invention, wherein: the noise reduction layer comprises a noise absorption cavity and a noise reduction partition plate, the noise absorption cavity is formed in the noise reduction layer, the noise absorption cavity is clamped to the inner side wall of the noise absorption cavity, the noise reduction partition plate is a polyester fiber noise reduction plate, and a plurality of sound absorption grooves are formed in the noise reduction partition plate in an integrated mode.

The utility model discloses beneficial effect: through hydrogen sensor real-time detection intracavity portion hydrogen content concentration, then with the data information transmission to the microprocessor that detects, the microprocessor will receive data information and carry the electronic display screen demonstration, conveniently observe the record, and, when hydrogen sensor detects that there is hydrogen element in the detection intracavity portion, report to the police through microprocessor control alarm, the holistic automation of equipment and intellectuality have been increased, and simultaneously, form the vibration power that shock attenuation elastic component can reduce equipment during operation production through the movable rod with the damping spring cooperation, thereby reduce equipment during operation noise production, and through falling the sound recess of inhaling of integrated into one piece on the baffle of making an uproar, can absorb the noise that inside produced once more, further reduce the noise that equipment produced in the course of the work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a schematic view of the structure of part a of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a hydrogen fuel cell leak hunting device, form the vibrational force that shock attenuation elastic component can reduce equipment during operation and produce through the movable rod with the cooperation of damping spring to reduce equipment during operation and produce the noise, and through falling the sound recess of inhaling of integrated into one piece on the baffle of making an uproar, can absorb the noise that inside produced once more, further reduce the noise that equipment produced in the course of the work, please refer to figure 1, include, protection frame 100, supporting mechanism 200, detection chamber 300, fixed subassembly 400, detection component 500 and the layer 600 of making an uproar fall.

With reference to fig. 1-2, the protection frame 100 is a protection frame made of metal alloy material, the base 110 is bonded to the bottom of the outer side wall of the protection frame 100, the base 110 is formed by laminating multiple layers of rubber pads, ten staggered anti-slip threads 111 are formed at the bottom of the outer side wall of the base 110, the base 100 is used for supporting equipment, the base 100 can protect the bottom of the protection frame 100, the protection frame 100 is prevented from erosion and abrasion in the long-term use process, the alarm 120 is screwed to the left side of the top of the outer side wall of the protection frame 100 through fastening screws, and the alarm 120 is electrically connected with the microcontroller 510;

continuing to refer to fig. 1-2, the left and right sides of the bottom of the inner side wall of the protection frame 100 are provided with the supporting mechanisms 200, the supporting mechanisms 200 are provided with the telescopic rods 210 and the damping springs 220, specifically, the two telescopic rods 210 are respectively screwed to the left and right sides of the bottom of the inner side wall of the protection frame 100 through fastening screws, the telescopic rods 210 are used for connecting the protection frame 100 and the detector 300, the damping springs 220 are sleeved on the outer side walls of the two telescopic rods 210, and the telescopic rods 210 and the damping springs 220 cooperate to form a buffer for reducing the generated vibration;

referring to fig. 1-2, the outer sidewall of the detection chamber 300 is connected to a sealing door (not labeled in the figures) by a hinge, the bottom of the inner sidewall of the detection chamber 300 is provided with a sliding slot 310, and the sliding slot 310 is used as a fixing base to cooperate with the fixing assembly 400;

with reference to fig. 1-2, a fixing assembly 400 is disposed in the detection chamber 300, the fixing assembly 400 is composed of compression springs 410 and clamping plates 420, specifically, the compression springs 410 are clamped at the bottoms of the left and right sides of the inner side wall of the supporting mechanism 200, the two compression springs 410 are oppositely disposed, the end portions of the opposite ends of the two compression springs 410 are respectively screwed with the clamping plates 420 through fastening screws, the two clamping plates 420 are both slidably connected with the sliding groove 310, the outer side wall of the clamping plate 420 is wrapped with a rubber sleeve, and the two sets of compression springs 410 and the clamping plates 420 cooperate to form a clamping member for fixing the hydrogen fuel cell, so that the hydrogen fuel cell is conveniently protected during detection;

referring to fig. 1-2, the detecting assembly 500 includes a microprocessor 510, a hydrogen sensor 520, a vacuum pump 530 and a liquid crystal display 540, specifically, the microprocessor 510 is embedded in the central position of the rear sidewall of the detecting chamber 300, the hydrogen sensor 520 is clamped in the central position of the top of the inner sidewall of the detecting chamber 300, the hydrogen sensor 520 is used for detecting the hydrogen content concentration inside the detecting chamber 300, the top of the detecting chamber 300 is screwed with the vacuum pump 530 through a fastening screw, the input end of one end of the vacuum pump 530 is communicated with the detecting chamber 300 through a connecting pipe, the vacuum pump 530 is used for pumping the inside of the detecting chamber 300 to a vacuum state, the liquid crystal display 540 is clamped in the bottom of the right sidewall of the protection frame 100, the liquid crystal display 540 is used for displaying the detection result of the hydrogen sensor 520, and the alarm 120, the hydrogen sensor 520, the vacuum pump;

with reference to fig. 1 and fig. 3, the noise reduction layer 600 is wrapped on the inner side wall of the protection frame 100, the noise reduction layer 600 has a sound absorption cavity 610 and a noise reduction partition plate 620, specifically, the sound absorption cavity 610 is formed in the noise reduction layer 600, the sound absorption cavity 610 is used for being connected with the noise reduction partition plate 620 and absorbing a part of noise, the noise reduction partition plate 620 is clamped at the central position of the inner side wall of the sound absorption cavity 610, the noise reduction partition plate 620 is a polyester fiber noise reduction plate, two hundred sound absorption grooves (not identified in the drawings) are integrally formed on the noise reduction partition plate 620, and the noise reduction partition plate 620 is used for absorbing noise generated by the operation of the device and reducing noise generated;

the working principle is as follows: when the utility model is used, firstly, the fuel cell to be tested is put into the detection cavity 300, the clamping piece is formed by the matching of two groups of compression springs 410 and the clamping plate 420 to fix the fuel cell, the hydrogen fuel cell is protected when the detection is convenient, then the detection cavity 300 is sealed, the inside of the detection cavity 300 is pumped to a vacuum state by the vacuum pump 530, the hydrogen content concentration inside the cavity 300 is detected by the hydrogen sensor 520, the detected data information is transmitted to the microprocessor 510, the microprocessor 510 transmits the received data information to the electronic display screen 540 for displaying, the recording is convenient, and when the hydrogen sensor 520 detects the hydrogen element inside the detection cavity 300, the alarm 120 is controlled by the microprocessor 510 to alarm, meanwhile, the vibration force generated when the equipment works is reduced by the damping elastic piece formed by the matching of the movable rod 210 and the damping spring 220, thereby the noise generated when the equipment works is reduced, and the baffle 620 of making an uproar falls for polyester fiber, through falling the sound recess of inhaling of integrated into one piece on the baffle 620 of making an uproar, can absorb the noise of inside production, further reduces the noise that equipment produced in the course of the work.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A hydrogen fuel cell leak detection apparatus, comprising: protection frame (100), supporting mechanism (200), detection chamber (300), fixed subassembly (400), detection subassembly (500) and fall the layer of making an uproar (600), protection frame (100) inside wall bottom left and right sides all sets up supporting mechanism (200), supporting mechanism (200) include telescopic link (210) and damping spring (220), two telescopic link (210) rigid coupling respectively protection frame (100) inside wall bottom left and right sides, two telescopic link (210) lateral wall all overlaps and establishes damping spring (220), it locates to detect chamber (300) damping spring (220) top, it all sets up to detect chamber (300) inside wall left and right sides fixed subassembly (400), detection subassembly (500) are located detect on chamber (300), protection frame (100) inside wall cladding fall the layer of making an uproar (600).

2. The leak detection device for the hydrogen fuel cell according to claim 1, wherein a base (110) is bonded to the bottom of the outer side wall of the protection frame (100), a plurality of staggered anti-slip threads (111) are formed at the bottom of the outer side wall of the base (110), and an alarm (120) is installed on the left side of the top of the outer side wall of the protection frame (100).

3. The leak detection device for the hydrogen fuel cell according to claim 1, wherein a sealing door is connected to the outer side wall of the detection chamber (300) through a hinge, a sliding groove (310) is formed in the bottom of the inner side wall of the detection chamber (300), the fixing assembly (400) is composed of a compression spring (410) and a clamping plate (420), the bottoms of the left side and the right side of the inner side wall of the support mechanism (200) are respectively clamped with the compression spring (410), the two compression springs (410) are oppositely arranged, the end part of one end, opposite to the two compression springs (410), of each clamping plate (420) is fixedly connected with the corresponding sliding groove (310), and the two clamping plates (420) are respectively connected with the sliding groove (310) in.

4. A hydrogen fuel cell leak detection apparatus according to claim 2, wherein the detection assembly (500) comprises a microprocessor (510), a hydrogen sensor (520), a vacuum pump (530) and a liquid crystal display (540), the microprocessor (510) is embedded in the central position of the rear sidewall of the detection chamber (300), the hydrogen sensor (520) is clamped in the central position of the top of the inner sidewall of the detection chamber (300), the vacuum pump (530) is installed on the top of the detection chamber (300), the liquid crystal display (540) is fixedly connected to the outer sidewall of the protection frame (100), and the alarm (120), the hydrogen sensor (520), the vacuum pump (530) and the liquid crystal display (540) are electrically connected to the microprocessor (510).

5. The leak detection device for the hydrogen fuel cell according to claim 2, wherein the noise reduction layer (600) comprises a sound absorption cavity (610) and a noise reduction partition plate (620), the sound absorption cavity (610) is formed in the noise reduction layer (600), the noise reduction partition plate (620) is clamped on the inner side wall of the sound absorption cavity (610), the noise reduction partition plate (620) is a polyester fiber noise reduction plate, and a plurality of sound absorption grooves are integrally formed in the noise reduction partition plate (620).