CN210107045U

CN210107045U - Pressure relief device of hydrogen cylinder

Info

Publication number: CN210107045U
Application number: CN201920249523.8U
Authority: CN
Inventors: 王伟; 纪田贤慧
Original assignee: Anhui State Motion New Materials Co Ltd
Current assignee: TONGLING CHAOTE NON FERROUS METAL ADDITIVE FACTORY
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-02-21
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses a pressure relief device of hydrogen cylinder relates to hydrogen energy technical field. The utility model discloses a control part and pressure release part, control part include controller, atmospheric pressure monitoring module and gas concentration monitoring module, and the inside pressure variation of control part monitoring pressure relief device keeps its internal pressure stable, and pressure relief device includes first solenoid valve, second solenoid valve, third solenoid valve, check valve and pressure release board, and pressure release part can control pressure relief device and outside intercommunication, makes inside pressure remain stable. The utility model discloses a relief pressure part plays important role with the release of control part pressure in to the hydrogen cylinder effectively, guarantees that the pressure in the hydrogen cylinder reaches the standard that can add hydrogen, steady state when guaranteeing the hydrogen cylinder gas filling.

Description

Pressure relief device of hydrogen cylinder

Technical Field

The utility model belongs to the technical field of the hydrogen energy, especially relate to a pressure relief device of hydrogen cylinder.

Background

The hydrogen cylinder is a device for storing hydrogen, the hydrogen is widely used as a novel energy source, the hydrogen can be widely applied to industry, medical science, aerospace industry and the like as a raw material, and the hydrogen can be changed into liquid under the action of low temperature and high pressure, so that the hydrogen is convenient to store and transport.

According to the invention of patent publication No. CN102145877B, the exhaust gas generated by the combustion unit is manually guided between the combustion unit and the exhaust gas discharge pipe and the pressure of the exhaust gas is manually adjusted, so that the exhaust gas can be uniformly distributed in all directions, wherein the exhaust pipe discharges the gas inside to keep the internal pressure within a controllable range, the pressure relief method mentioned above cannot be used as the pressure relief method of the hydrogen cylinder, and the pressure in the hydrogen cylinder cannot be effectively released outwards, and it is known that when adding gas to the cylinder, if the pressure in the adding object is too large, the excess gas in the cylinder must be released outwards to make the internal of the cylinder reach the standard of being capable of being inflated, so a device of the hydrogen cylinder is proposed to solve the above-mentioned pressure relief problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure relief device of hydrogen cylinder through mutually supporting of pressure relief board and each control element, can not get rid of its internal pressure problem when having solved current hydrogen cylinder and storing.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a pressure relief device of a hydrogen cylinder, which comprises a body, wherein an air inlet pipe is fixedly arranged at one side of the body, an air outlet pipe is fixedly arranged at the other side of the body, a controller is fixedly arranged at the top of the body, an air pressure monitoring module is fixedly arranged at the top of the body, a gas concentration monitoring module is fixedly arranged at the top of the body, a one-way valve is fixedly arranged at the top of the body, a first electromagnetic valve is fixedly arranged at the bottom of the one-way valve, a second electromagnetic valve is fixedly arranged at one side of the air inlet pipe, a third electromagnetic valve is fixedly arranged at one side of the air outlet pipe, a spherical plug is arranged inside the one-way valve, a compression spring is arranged at the top of the spherical plug, an air outlet hole is arranged at the top of the one-way valve, a, and a pressure relief plate is fixedly arranged in the body.

Furthermore, the air inlet pipe and the air outlet pipe both penetrate through the body and extend into the inner cavity of the body.

Further, the diameter of the spherical plug is larger than that of the pressure relief hole, and the diameter of the compression spring is smaller than that of the spherical plug.

Further, the gas concentration monitoring module is connected with the body in an embedded mode, and the bottom of the gas concentration monitoring module penetrates through the body and extends into the inner cavity.

Furthermore, the number of the pressure relief plates is eight, the pressure relief plates are evenly divided into an upper row and a lower row, the upper row and the lower row of the pressure relief plates are arranged at equal intervals, and the upper row and the lower row are arranged in a staggered mode.

The utility model discloses following beneficial effect has:

the utility model discloses a controller control relevant component function makes the pressure in the hydrogen cylinder slowly descend the standard condition, can carry out the replenishment of hydrogen to the hydrogen cylinder again, has made things convenient for the storage of hydrogen.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a structure diagram of the check valve in fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the gas pressure monitoring device comprises a body 1, a gas inlet pipe 101, a gas outlet pipe 102, a controller 2, a gas pressure monitoring module 3, a gas concentration monitoring device 4, a one-way valve 5, a spherical plug 501, a compression spring 502, a gas outlet hole 503, a pressure relief hole 504, a vent pipe 505, a first electromagnetic valve 601, a second electromagnetic valve 602, a third electromagnetic valve 603 and a pressure relief plate 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "up", "down", "top", "middle", "inner", and the like indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention relates to a pressure relief device for a hydrogen cylinder, which comprises a body 1, an inlet pipe 101 fixedly mounted on one side of the body 1, an outlet pipe 102 fixedly mounted on the other side of the body 1, the inlet pipe 101 and the outlet pipe 102 both extend through the body 1 and extend into the inner cavity of the body 1, a controller 2 fixedly mounted on the top of the body 1, an air pressure monitoring module 3 fixedly mounted on the top of the body 1, an air concentration monitoring module 4 fixedly mounted on the top of the body 1, the air concentration monitoring module 4 being embedded with the body 1, and the bottom of the air concentration monitoring module 4 extending through the body 1 and into the inner cavity, a check valve 5 fixedly mounted on the top of the body 1, a first electromagnetic valve 601 fixedly mounted on the bottom of the check valve 5, a second electromagnetic valve 602 fixedly mounted on one side of the inlet pipe 101, and a third electromagnetic valve 603 fixedly mounted on one, the inside of check valve 5 is provided with spherical stopper 501, the top of spherical stopper 501 is provided with compression spring 502, venthole 503 has been seted up at the top of check valve 5, pressure release hole 504 has been seted up to the bottom of check valve 5, the diameter of spherical stopper 501 is greater than the diameter of pressure release hole 504, compression spring 502's diameter is less than spherical stopper 501, the bottom fixed mounting of check valve 5 has breather pipe 505, the inside fixed mounting of body 1 has pressure release plate 7, the quantity of pressure release plate 7 is eight, and two rows about evenly dividing into, two rows about pressure release plate 7 all are the equidistance and arrange, and two rows about be the crisscross staggered arrangement.

One specific application of this embodiment is: the gas inlet pipe 101 of the device is connected with the inflating equipment, the gas outlet pipe 102 is connected with the gas inlet channel of the hydrogen bottle, after the inflating equipment is opened, the controller 2 controls the second electromagnetic valve 602 to be opened to enable hydrogen to enter the device, the gas pressure monitoring module 3 sends information to the controller 2 when monitoring the pressure rise inside the pressure relief device, the controller 2 controls the electromagnetic valve 3 to be opened, then the hydrogen can reduce the impact force of the hydrogen through the pressure relief plate 7, the hydrogen inside the pressure relief device conveys the hydrogen into the hydrogen bottle through the gas outlet pipe 102, when the pressure in the hydrogen bottle is overhigh, the hydrogen is accumulated in the pressure relief device, the gas pressure monitoring module 3 monitors the pressure change inside the pressure relief device, when the gas pressure monitoring module 3 detects that the hydrogen inside the pressure relief device reaches a set value, then the gas pressure monitoring module 3 sends a signal to the controller 2, and the controller 2 sends a closing command to the second, meanwhile, an opening command is sent to the first electromagnetic valve 601, the pressure inside the first electromagnetic valve is released to the outside through the one-way valve 5, the hydrogen cylinder continues to release the pressure into the pressure relief device, when the pressure inside the pressure relief device diminishes to the spherical plug 501 inside the one-way valve 5, the one-way valve 5 is gradually sealed, the pressure inside the pressure relief device gradually reaches a normal standard, after a pressure gauge pointer of the hydrogen cylinder tends to be normal, the gas concentration monitoring module 4 monitors that the concentration of hydrogen gas in the pressure relief device reaches a set value and sends a signal to the controller 2, the controller 2 sends a closing command to the first electromagnetic valve 601, the controller 2 simultaneously sends an opening command to the second electromagnetic valve 602 to enable the hydrogen gas to enter the pressure relief device, and the pressure relief device can work circularly, so that the pressure inside the.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The pressure relief device of the hydrogen cylinder comprises a body (1), and is characterized in that: an air inlet pipe (101) is fixedly mounted on one side of the body (1), an air outlet pipe (102) is fixedly mounted on the other side of the body (1), a controller (2) is fixedly mounted on the top of the body (1), an air pressure monitoring module (3) is fixedly mounted on the top of the body (1), a gas concentration monitoring module (4) is fixedly mounted on the top of the body (1), a check valve (5) is fixedly mounted on the top of the body (1), a first electromagnetic valve (601) is fixedly mounted on the bottom of the check valve (5), a second electromagnetic valve (602) is fixedly mounted on one side of the air inlet pipe (101), a third electromagnetic valve (603) is fixedly mounted on one side of the air outlet pipe (102), a spherical plug (501) is arranged inside the check valve (5), and a compression spring (502) is arranged on the top of the spherical plug (501), the air outlet (503) has been seted up at the top of check valve (5), pressure release hole (504) has been seted up to the bottom of check valve (5), the bottom fixed mounting of check valve (5) has breather pipe (505), the inside fixed mounting of body (1) has pressure release board (7).

2. The pressure relief device of a hydrogen cylinder according to claim 1, wherein the inlet pipe (101) and the outlet pipe (102) both penetrate through the body (1) and extend into the inner cavity of the body (1).

3. The pressure relief device for a hydrogen cylinder according to claim 1, characterized in that the diameter of the spherical plug (501) is larger than the diameter of the pressure relief hole (504), and the diameter of the compression spring (502) is smaller than the spherical plug (501).

4. The pressure relief device for a hydrogen cylinder according to claim 1, characterized in that the gas concentration monitoring module (4) is connected to the body (1) in an embedded manner, and the bottom of the gas concentration monitoring module (4) penetrates through the body (1) and extends into the inner cavity.

5. The pressure relief device for a hydrogen cylinder according to claim 1, characterized in that the number of the pressure relief plates (7) is eight, and the pressure relief plates are evenly divided into two rows, the two rows of the pressure relief plates (7) are arranged equidistantly, and the two rows are arranged in a staggered manner.