CN214226966U

CN214226966U - Hydrogen supply voltage stabilizer of liquid hydrogen fuel cell

Info

Publication number: CN214226966U
Application number: CN202120505707.3U
Authority: CN
Inventors: 王憨鹰; 王国章; 白靖; 刘建勃; 李国杰
Original assignee: Yulin University
Current assignee: Yulin University
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-09-17
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a hydrogen supply voltage stabilizer of liquid hydrogen fuel cell, including the inner steel bottle, the outer steel bottle of the outside fixedly connected with of inner steel bottle. This liquid hydrogen fuel cell's hydrogen supply voltage regulator device, the device adopts the double-deck setting of inner steel bottle and outer steel bottle, the device still can normal use after the inner steel bottle damages, and then the life of device has been improved greatly, and when the pressure increase in the inner steel bottle, the anticorrosion piston is automatic to be opened, the pressure release of device has not only been realized, simultaneously can also collect the liquid hydrogen fuel of letting out and gas, under the mating reaction of connecting pipe and control valve, can put into interior steel bottle reuse with the liquid hydrogen fuel of letting out and gas, and can cushion the vibrations that the device received, avoid vibrations to lead to the rising of device internal pressure, also can avoid liquid hydrogen fuel and device friction to produce the spark, effectual prevention device's explosion, the voltage stabilization of device has been realized, the life and the practicality of device have been improved greatly.

Description

Hydrogen supply voltage stabilizer of liquid hydrogen fuel cell

Technical Field

The utility model relates to an auto-parts technical field specifically is a liquid hydrogen fuel cell's hydrogen pressure regulator.

Background

The vehicle is a traffic or delivery vehicle rotating by wheels on land, the vehicle is from a metering method of the vehicle in ancient times, the vehicle at that time is generally two wheels, so the vehicle is called two by one, and the vehicle is written as a vehicle later, therefore, the vehicle is originally a vehicle without power, the vehicle is called a horse vehicle by maleic traction, a man power vehicle is pulled or pushed by a man, along with the development of scientific technology, the vehicle is also pulled by a steam engine and the like, a new energy automobile is also one of the automobiles, and some new energy automobiles are powered by liquid hydrogen fuel cells.

However, the hydrogen supply voltage stabilizer of the existing liquid hydrogen fuel cell cannot automatically release pressure, so that the device is easily exploded, the safety is low, the device cannot be cushioned, the internal pressure is easily increased, the liquid hydrogen fuel and the device can generate sparks due to friction, and the practicability of the device is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid hydrogen fuel cell's hydrogen supply voltage regulator device to solve the unable automatic pressure release of the current liquid hydrogen fuel cell's hydrogen supply voltage regulator device that proposes in the above-mentioned background art, and then lead to the explosion of device easily, the security is lower, and can't cushion the vibrations that the device received, and then lead to the increase of inside pressure easily, also can make liquid hydrogen fuel and the friction production spark of device, greatly reduced the problem of the practicality of device.

In order to achieve the above object, the utility model provides a following technical scheme: a hydrogen supply and pressure stabilizing device of a liquid hydrogen fuel cell comprises an inner steel cylinder, an outer steel cylinder is fixedly connected with the outer side of the inner steel cylinder, the outer side of the inner steel cylinder is connected with the inner side of the outer steel cylinder through a connecting rod, the left end of the inner steel cylinder is provided with a pressure relief hole, an anti-corrosion piston is arranged in the pressure relief hole, the left end of the anti-corrosion piston extends to the outer side of the pressure relief hole and is fixedly connected with a connecting plate, the connecting plate is connected with the outer steel cylinder through a strong spring, the outer side of the right end of the outer steel cylinder is fixedly connected with a connecting pipe, the middle position of the connecting pipe is fixedly connected with a control valve, the right end of the outer steel cylinder is fixedly connected with a connector, one end of the connector is fixedly connected with a pressure gauge, the other end of the connector is fixedly connected with a liquid inlet valve, the lower extreme fixedly connected with cushion socket of outer steel bottle, the lower extreme fixedly connected with backup pad of cushion socket.

Preferably, a liquid storage cavity is reserved between the inner steel cylinder and the outer steel cylinder, and the connecting rods are distributed in the liquid storage cavity at equal intervals.

Preferably, the pressure relief hole is in interference fit with the anti-corrosion piston, and the head end of the anti-corrosion piston is designed in a circular truncated cone structure.

Preferably, the radius of the connecting plate is larger than the aperture of the pressure relief hole, the connecting plate is made of an anti-corrosion rubber plate, and the strong springs on the outer side of the connecting plate are distributed at equal intervals.

Preferably, the connecting pipe is L style of calligraphy structural design, the one end and the stock solution chamber of connecting pipe switch on each other, the other end and the connector of connecting pipe switch on each other, connector and steel bottle switch on each other.

Preferably, the vertical center line symmetry of cushion socket about the backup pad is provided with four, pole and buffer spring in the cushion socket includes support sleeve, support, pole in the support, support sleeve's inside lock joint has the pole in the support, the pole is put through each other through buffer spring in support sleeve and the support, the upper end of pole in the support extends to the outside of support sleeve and the outside fixed connection of outer steel bottle.

Compared with the prior art, the beneficial effects of the utility model are that:

the hydrogen supply pressure stabilizing device of the liquid hydrogen fuel cell adopts the double-layer arrangement of the inner steel cylinder and the outer steel cylinder, the device can still be normally used after the inner steel cylinder is damaged, the service life of the device is greatly prolonged, and through the arrangement of the pressure relief hole, the anti-corrosion piston, the connecting plate and the strong spring, when the pressure in the inner steel cylinder is increased, the anti-corrosion piston is automatically opened, and then partial liquid hydrogen fuel and gas in the inner steel cylinder are put into the outer steel cylinder, not only the pressure relief of the device is realized, but also the leaked liquid hydrogen fuel and gas can be collected, under the matching action of the connecting pipe and the control valve, the leaked liquid hydrogen fuel and gas can be put into the inner steel cylinder for reuse, and through the arrangement of the supporting sleeve, the supporting inner rod and the buffer spring, the vibration of the device can be buffered, and the increase of the internal pressure of the device caused by vibration is avoided, the device can also avoid the friction between the liquid hydrogen fuel and the device to generate sparks, effectively prevent the device from exploding, realize the voltage stabilization of the device and greatly improve the service life and the practicability of the device.

Drawings

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

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

FIG. 3 is a schematic cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the buffer seat of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the buffer seat of the present invention.

In the figure: 1. an inner steel cylinder; 2. an outer steel cylinder; 3. a connecting rod; 4. a pressure relief vent; 5. an anti-corrosion piston; 6. a connecting plate; 7. a strong spring; 8. a connecting pipe; 9. a control valve; 10. a connector; 11. a pressure gauge; 12. a liquid inlet valve; 13. a buffer seat; 14. a support plate; 21. a liquid storage cavity; 131. a support sleeve; 132. supporting the inner rod; 133. a buffer spring.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a liquid hydrogen fuel cell's hydrogen supply voltage regulator device, including inner steel bottle 1, outer steel bottle 2 of the outside fixedly connected with of inner steel bottle 1, connecting rod 3 interconnect is passed through with outer steel bottle 2's inboard in the outside of inner steel bottle 1, pressure release hole 4 has been seted up to inner steel bottle 1's left end, the internally mounted of pressure release hole 4 has anticorrosion piston 5, the left end of anticorrosion piston 5 extends to pressure release hole 4's outside fixedly connected with connecting plate 6, connecting plate 6 passes through strong spring 7 interconnect with outer steel bottle 2, the outside fixedly connected with connecting pipe 8 of outer steel bottle 2 right-hand member, the intermediate position fixedly connected with control valve 9 of connecting pipe 8, the right-hand member fixedly connected with connector 10 of outer steel bottle 2, the one end fixedly connected with manometer 11 of connector 10, the other end fixedly connected with feed liquor valve 12 of connector 10, the lower extreme fixedly connected with cushion socket 13 of outer steel bottle 2, the lower extreme fixedly connected with backup pad 14 of cushion socket 13.

Further, reserve between interior steel bottle 1 and the outer steel bottle 2 and have stock solution chamber 21, connecting rod 3 equidistant distribution can be collected the liquid hydrogen fuel of effluvium and gas in the inside in stock solution chamber 21, is convenient for simultaneously in steel bottle 1 and the stable connection of outer steel bottle 2.

Further, pressure release hole 4 and anti-corrosion piston 5 interference fit, the head end of anti-corrosion piston 5 adopts round platform structural design, ensures that anti-corrosion piston 5 can seal pressure release hole 4 completely, is convenient for anti-corrosion piston 5's activity simultaneously.

Furthermore, the radius of the connecting plate 6 is larger than the aperture of the pressure relief hole 4, the connecting plate 6 is made of an anti-corrosion rubber plate, and strong springs 7 on the outer side of the connecting plate 6 are distributed at equal intervals, so that automatic pressure relief of the device is realized.

Further, the connecting pipe 8 is designed to be L-shaped, one end of the connecting pipe 8 is communicated with the liquid storage cavity 21, the other end of the connecting pipe 8 is communicated with the connector 10, the connector 10 is communicated with the inner steel cylinder 1, and the discharged liquid hydrogen fuel and gas can be placed into the inner steel cylinder 1.

Further, the buffer base 13 is symmetrically provided with four about the vertical center line of the support plate 14, the buffer base 13 comprises a support sleeve 131, a support inner rod 132 and a buffer spring 133, the support inner rod 132 is buckled inside the support sleeve 131, the support sleeve 131 and the support inner rod 132 are mutually communicated through the buffer spring 133, the upper end of the support inner rod 132 extends to the outside of the support sleeve 131 and the outside of the outer steel bottle 2 to be fixedly connected, the device can be buffered in vibration, the increase of the internal pressure of the device caused by vibration is avoided, and the device and the liquid hydrogen fuel can be prevented from generating sparks due to friction.

The working principle is as follows: firstly, a supporting plate 14 is fixed on an automobile through a self-tapping screw, then the device is fixed on the automobile, a connector 10 is communicated with a pipeline, a liquid inlet valve 12 is opened, when the pressure intensity in the inner steel cylinder 1 is increased, an anti-corrosion piston 5 is slowly opened, a strong spring 7 is contracted, partial liquid hydrogen fuel and gas in the inner steel cylinder 1 flow into a liquid storage cavity 21, when the pressure intensity of the inner steel cylinder 1 is equal to that of the outer steel cylinder 2, the strong spring 7 extends, the anti-corrosion piston 5 extends into a pressure relief hole 4, and then the pressure relief hole 4 is blocked, so that the automatic pressure relief of the device is realized, when the device is vibrated, a buffer spring 133 in a buffer seat 13 buffers the vibration, the pressure intensity in the device is prevented from being increased due to the vibration, the liquid hydrogen fuel and the device are prevented from generating sparks due to friction, when the liquid hydrogen fuel in the device is used up, a control valve 9 is opened, the device is inclined, the liquid hydrogen fuel in the liquid storage cavity 21 is guided into the inner steel cylinder 1, so that the liquid hydrogen fuel is convenient to reuse, and the practicability of the device is greatly improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydrogen steady voltage device that supplies of liquid hydrogen fuel cell, includes steel bottle (1), its characterized in that: the outer steel cylinder (2) is fixedly connected with the outer side of the inner steel cylinder (1), the outer side of the inner steel cylinder (1) is connected with the inner side of the outer steel cylinder (2) through a connecting rod (3), a pressure relief hole (4) is formed in the left end of the inner steel cylinder (1), an anti-corrosion piston (5) is installed inside the pressure relief hole (4), the left end of the anti-corrosion piston (5) extends to the outer side of the pressure relief hole (4) and is fixedly connected with a connecting plate (6), the connecting plate (6) is connected with the outer steel cylinder (2) through a strong spring (7), a connecting pipe (8) is fixedly connected with the outer side of the right end of the outer steel cylinder (2), a control valve (9) is fixedly connected with the middle position of the connecting pipe (8), a right end of the outer steel cylinder (2) is fixedly connected with a connector (10), and a pressure gauge (11) is fixedly connected with one end of the connector (10), the other end fixedly connected with feed liquor valve (12) of connector (10), the lower extreme fixedly connected with buffer seat (13) of outer steel bottle (2), the lower extreme fixedly connected with backup pad (14) of buffer seat (13).

2. The hydrogen supply voltage stabilizing device of the liquid hydrogen fuel cell according to claim 1, characterized in that: reserve between interior steel bottle (1) and outer steel bottle (2) and have stock solution chamber (21), connecting rod (3) equidistant distribution is in the inside in stock solution chamber (21).

3. The hydrogen supply voltage stabilizing device of the liquid hydrogen fuel cell according to claim 1, characterized in that: the pressure relief hole (4) is in interference fit with the anti-corrosion piston (5), and the head end of the anti-corrosion piston (5) is designed in a circular truncated cone structure.

4. The hydrogen supply voltage stabilizing device of the liquid hydrogen fuel cell according to claim 1, characterized in that: the radius of the connecting plate (6) is larger than the aperture of the pressure relief hole (4), the connecting plate (6) is made of an anti-corrosion rubber plate, and the strong springs (7) on the outer side of the connecting plate (6) are distributed at equal intervals.

5. The hydrogen supply voltage stabilizing device of the liquid hydrogen fuel cell according to claim 2, characterized in that: connecting pipe (8) are L style of calligraphy structural design, the one end and stock solution chamber (21) of connecting pipe (8) are put through each other, the other end and connector (10) of connecting pipe (8) are put through each other, connector (10) and interior steel bottle (1) are put through each other.

6. The hydrogen supply voltage stabilizing device of the liquid hydrogen fuel cell according to claim 1, characterized in that: buffer seat (13) are provided with four about the vertical central line symmetry of backup pad (14), pole (132) and buffer spring (133) in support sleeve (131), support are drawn together to buffer seat (13), the inside lock joint of support sleeve (131) has support pole (132), pole (132) put through each other through buffer spring (133) in support sleeve (131) and the support, the outside fixed connection of outside and outer steel bottle (2) that the upper end of pole (132) extends to support sleeve (131) in the support.