CN216556504U - Portable hydrogen diffusing device - Google Patents

Abstract

The utility model discloses a portable hydrogen diffusion device, aiming at solving the technical problems of high difficulty, low detection efficiency and high risk of hydrogen diffusion in the field verification process of a hydrogenation machine; the device mainly comprises a diffusion pipeline and a diffusion buffering mechanism; the diffusion buffer mechanism comprises a stop valve, a buffer container, a first pressure gauge, a pressure regulating valve and a second pressure gauge which are sequentially connected through corresponding pipelines; the diffusion buffer mechanism is communicated with the diffusion pipeline through a hose or a telescopic pipe; the utility model has the characteristics of strong portability, high assembly and disassembly efficiency and the like, can intensively and safely diffuse hydrogen in the field verification process of the hydrogenation machine, reduces the time for repeatedly carrying the hydrogen storage tank, and improves the verification efficiency and the verification safety.

Description

Portable hydrogen diffusing device

Technical Field

The utility model relates to the technical field of hydrogen energy diffusing equipment, in particular to a portable hydrogen diffusing device.

Background

With the increasing importance of people on environmental protection, new energy fuel cell automobiles are more and more popular and loved by people. However, the popularization of fuel cell automobiles needs the support of a series of hydrogenation infrastructures, for example, the construction and popularization of matched hydrogenation stations are imperative, the relevant technical specifications about the construction of the hydrogenation stations are provided in the industry at present, and the hydrogen filling machine is one of the important components of the hydrogen station and plays the roles of hydrogen fuel cell automobile test filling, vehicle-mounted hydrogen storage system filling and testing and the like.

The hydrogen machine is used as a filling metering device for gas trade settlement, professional detection personnel are required to perform field detection regularly according to related technical standards and legal requirements, a weighing method is the most common detection method at present and is used most frequently, a special hydrogen storage tank is required to be placed on an electronic balance during detection, the hydrogen machine is used for filling hydrogen into the hydrogen storage tank, the electronic balance is used for reading the filling amount of the hydrogen, and the filling amount is compared with the indicating value of the hydrogen machine to obtain the indicating value error of the hydrogen machine. And a plurality of groups of data need to be measured in the verification process, and the hydrogen in the hydrogen storage tank needs to be diffused after each group of data is detected. Because of the safety requirement, the operation of hydrogen to empty discharge is forbidden in the hydrogen station, so the method adopted at present is that after each group of data measurement in the hydrogen station is finished, the hydrogen storage tank is transported to the outside of the hydrogen station and then is discharged, and then is transported back to the hydrogen station for the next group of data measurement, which not only wastes time and labor, but also has large pressure in the hydrogen storage tank, the diffusion speed under high pressure difference is difficult to control, and causes large noise, and has certain safety risk when inflammable gas is discharged at high speed.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

Disclosure of Invention

The utility model aims to provide a portable hydrogen diffusion device, and aims to solve the technical problems of high hydrogen diffusion difficulty, low detection efficiency and high risk in the field verification process of a hydrogenation machine.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a portable hydrogen diffusing device is designed, which comprises a diffusing pipeline and a diffusing buffer mechanism; the diffusion buffer mechanism comprises a stop valve, a buffer container, a first pressure gauge, a pressure regulating valve and a second pressure gauge which are sequentially connected through corresponding pipelines; the diffusion buffer mechanism is communicated with the diffusion pipeline through a hose or a telescopic pipe.

Preferably, the diffusing pipeline comprises a first diffusing pipe, a second diffusing pipe and a third diffusing pipe; the connecting ends corresponding to the first diffusing pipe, the second diffusing pipe and the third diffusing pipe are respectively provided with mutually matched thread sections, so that the first diffusing pipe, the second diffusing pipe and the third diffusing pipe can be detachably connected.

Preferably, the top of the first diffusing pipe is of an inverted U-shaped pipe orifice structure to prevent foreign matters from entering the diffusing pipeline.

Preferably, a flame arrester is further arranged in the first diffusing pipe.

Preferably, corresponding one-way valves are respectively arranged in pipelines between the buffer container and the stop valve and between the buffer container and the first pressure gauge.

Preferably, the length of the hose is 14-16 m.

Preferably, a traction rope is further arranged on the diffusing pipeline.

Compared with the prior art, the utility model has the main beneficial technical effects that:

1. the utility model designs the unit structure of the diffusion pipeline, so that the hydrogen storage tank has the characteristics of strong portability, high assembly and disassembly efficiency and the like, can diffuse hydrogen intensively and safely in the field verification process of the hydrogenation machine, reduces the time for repeatedly transporting the hydrogen storage tank, and improves the verification efficiency and safety.

2. The utility model further provides a diffusion buffering mechanism, hydrogen in a diffusion system is intensively and stably discharged through the arrangement of the buffering container, the outlet pressure of the buffering container is controlled through the pressure regulating valve, and the diffusion flow rate is controlled and adjusted according to the actual situation on site.

3. The utility model can be expanded to be applied to other gas diffusion systems.

Drawings

Fig. 1 is a schematic diagram of the gas circuit of the portable hydrogen diffusing device of the utility model.

Fig. 2 is a schematic diagram of the explosive structure of the diffusion pipeline of the present invention.

FIG. 3 is a reference diagram showing the use state of the portable hydrogen diffusion device of the present invention.

In the above figures, 1 is a diffusion pipeline, 2 is a diffusion buffering mechanism, 3 is a first diffusion pipe, 4 is a second diffusion pipe, 5 is a third diffusion pipe, 6 is a base, 7 is an inverted U-shaped pipe orifice, 8 is a flame arrester, 9 is a steel wire cable, 10 is a stop valve, 11 is a first check valve, 12 is a hydrogen storage container, 13 is a second check valve, 14 is a first pressure gauge, 15 is a pressure regulating valve, 16 is a second pressure gauge, and 17 is a hose.

Detailed Description

The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.

In the description of the present invention, it is to be understood that the orientations or positional relationships indicated as referring to the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing technical solutions and simplifying the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, are not to be construed as limiting the present invention; reference herein to "first," "second," etc., is used to distinguish between similar items and not to limit the particular order or sequence.

The unit modules (components, structures, and mechanisms) and the devices such as sensors in the following examples are all conventional commercial products unless otherwise specified.

Example 1: a portable hydrogen diffusion device, see fig. 1 to fig. 2, comprises a diffusion pipeline 1 and a diffusion buffer mechanism 2; the diffusing pipeline 1 comprises a first diffusing pipe 3, a second diffusing pipe 4 and a third diffusing pipe 5; the first diffusion pipe 3, the second diffusion pipe 4 and the third diffusion pipe 5 are made of high-pressure-resistant pipeline materials, and the pipelines are correspondingly connected into a whole; according to the relevant technical requirement specification of a hydrogenation station, the height of each diffusion pipeline is required to be more than 5M, so that the length of each section of diffusion pipeline is about 1.7-2M, the weight of each section of diffusion pipeline is about 20kg, and the corresponding connecting ends of the diffusion pipelines are provided with mutually matched threaded sections, so that the first diffusion pipe 3, the second diffusion pipe 4 and the third diffusion pipe 5 can be quickly disassembled and assembled; the connection mode between the diffusing pipes can also use a ferrule type joint for detachable connection, so that the air tightness of the pipeline can be ensured, and the integral conductivity of the pipeline can be ensured.

The first diffusing pipe 3 is positioned at the top end of the integral diffusing pipeline 1, the top of the first diffusing pipe is designed to be an inverted U-shaped pipe opening 7 to prevent rain, snow and foreign matters from entering, and a flame arrester 8 is arranged in the first diffusing pipe 3 and used for preventing flame from spreading into the pipeline when hydrogen is accidentally ignited in the process of diffusing hydrogen; a base 6 is fixedly arranged at the bottom of the third diffusing pipe 5, and the base 6 is used for supporting the diffusing pipeline 1; the second diffusing pipe 4 is arranged between the first diffusing pipe 3 and the third diffusing pipe 5, three steel wire inhaul cables 9 are arranged on the second diffusing pipe 4, the three steel wire inhaul cables 9 are evenly arranged, one end of each steel wire inhaul cable is connected onto the second diffusing pipe 4, the other end of each steel wire inhaul cable is tensioned and then fixed on the base 6, the diffusing process is kept, and the diffusing pipeline 1 is stable.

The diffusion buffer mechanism 2 comprises a hydrogen inlet end connected with the hydrogen storage bottle for metering and verification of the hydrogenation machine and a hydrogen outlet end connected with the diffusion pipeline, and the diffusion buffer mechanism 2 is provided with a stop valve 10, a buffer container 12, a first pressure gauge 14, a pressure regulating valve 15 and a second pressure gauge 16 in sequence from the hydrogen inlet end to the hydrogen outlet end through pipeline connection; the stop valve 10 is a main valve of the whole portable hydrogen diffusion device and is kept in a normally open state in the diffusion process; the buffer container 12 temporarily stores the hydrogen gas diffused in the assay device so that the whole diffusion process is smooth; the first pressure gauge 14 is matched with the pressure regulating valve 15 and used for displaying the pressure of the hydrogen in the pipeline before pressure regulation.

The pressure regulating valve 15 is used for regulating the pressure of the hydrogen at the outlet end of the buffer container 12 so as to control the diffusing flow rate; the second pressure gauge 16 is matched with the pressure regulating valve 15 and used for displaying the pressure of the hydrogen in the pipeline after pressure regulation; in order to prevent the hydrogen in the pipeline from flowing back and causing the risk of gas leakage, a first one-way valve 11 is arranged in the pipeline between the stop valve 10 and the buffer container 12 and used for controlling the one-way circulation of the gas at the inlet of the buffer container 12; and a second one-way valve 13 is arranged in a pipeline between the buffer container 12 and the first pressure gauge 14 and is used for controlling the one-way circulation of gas at the outlet end of the buffer container 12.

The exit end of diffusing buffer gear 2 pass through hose 17 with third diffusing pipe 5 switches on, the length of hose is at 14 ~ 16M, is convenient for set up diffusing pipeline 1 in the farther department of keeping away from hydrogen station danger area.

The operation and use method of the portable hydrogen diffusion device is as follows: referring to fig. 3, in a hydrogen verification site of a hydrogenation machine, the diffusion pipeline 1 is assembled, the diffusion pipeline 1 is rapidly assembled through the matching of the thread sections among the first diffusion pipe 3, the second diffusion pipe 4 and the third diffusion pipe 5, and the diffusion pipeline is stably arranged on a base 6 connected with the third diffusion pipe 5 through a steel wire inhaul cable 9; after the on-site verification is completed, the hydrogen storage bottle tank for storing hydrogen is connected with the hydrogen inlet end of the diffusion buffering mechanism 2, the stop valve 10 is opened, the diffusion operation of the hydrogen is started, the diffusion flow rate can be controlled by adjusting the pressure regulating valve 15 in the diffusion process, corresponding adjustment can be carried out according to the actual diffusion requirement, and finally the hydrogen enters the diffusion pipeline 1 from the outlet end of the buffering diffusion mechanism 2 through the hose 17 and is discharged into the atmosphere.

While the present invention has been described in detail with reference to the drawings and the embodiments, it will be understood by those skilled in the art that various changes in the details of the above embodiments may be made without departing from the technical spirit of the present invention, or equivalent substitutions of the relevant pipe valve elements, structures and materials may be made to form a plurality of specific embodiments, which are common variations of the present invention and will not be described in detail herein.

Claims (7)

1. A portable hydrogen diffusing device comprises a diffusing pipeline and is characterized by also comprising a diffusing buffer mechanism; the diffusion buffer mechanism comprises a stop valve, a buffer container, a first pressure gauge, a pressure regulating valve and a second pressure gauge which are sequentially connected through corresponding pipelines; the diffusion buffer mechanism is communicated with the diffusion pipeline through a hose or a telescopic pipe.

2. A portable hydrogen diffusing device according to claim 1, wherein the diffusing line includes a first diffusing pipe, a second diffusing pipe, and a third diffusing pipe; the connecting ends corresponding to the first diffusing pipe, the second diffusing pipe and the third diffusing pipe are respectively provided with mutually matched thread sections, so that the first diffusing pipe, the second diffusing pipe and the third diffusing pipe can be detachably connected.

3. A portable hydrogen diffusing device according to claim 2, wherein the top of said first diffusing pipe has an inverted U-shaped orifice structure to prevent foreign matter from entering said diffusing pipe.

4. A portable hydrogen dissipation device as defined in claim 3, wherein a flame arrestor is also provided in the first dissipation tube.

5. A portable hydrogen diffusing device according to claim 1, wherein corresponding check valves are provided in the pipes between the buffer container and the shutoff valve and the first pressure gauge, respectively.

6. A portable hydrogen-diffusing device according to claim 1, wherein the length of said hose is 14 to 16 m.

7. A portable hydrogen diffusion apparatus according to claim 1, wherein a corresponding pulling rope is further provided on the diffusion pipeline.

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