CN209278556U - Hydrogen-feeding system integral type regulator - Google Patents
Hydrogen-feeding system integral type regulator Download PDFInfo
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- CN209278556U CN209278556U CN201821664293.3U CN201821664293U CN209278556U CN 209278556 U CN209278556 U CN 209278556U CN 201821664293 U CN201821664293 U CN 201821664293U CN 209278556 U CN209278556 U CN 209278556U
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- hydrogen
- pressure
- valve
- feeding system
- integral type
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Abstract
The utility model discloses a kind of hydrogen-feeding system integral type regulator, arrival end, outlet end and the pressure relieving end integrated including valve body, in valve body, arrival end is for accessing high pressure hydrogen and being depressurized, and outlet end is for releasing pressure-reduced hydrogen gas, and pressure relieving end is for hydrogen of releasing；Arrival end includes inlet attack, filter, one-level pressure relief valve, second depressurized valve, accesses high pressure hydrogen by inlet attack, after filter cleaning, passes sequentially through one-level pressure relief valve and the realization of second depressurized valve is depressurized twice；Outlet end is equipped with pressure sensor and outlet connection, and the pressure for the pressure-reduced hydrogen gas released with monitoring through outlet connection is measured by pressure sensor；Pressure relieving end is equipped with relief valve, hand stop valve, check valve, relief fittings, by controlling relief valve, hand stop valve, check valve, so that hydrogen is released by relief fittings.Its each component is integrated into same valve body by the utility model, reduces structure size, is reduced leak source, is guaranteed the safe and reliable of hydrogen-feeding system.
Description
Technical field
The utility model relates to vehicle-mounted hydrogen-feeding system technical fields more particularly to a kind of hydrogen-feeding system integral type pressure regulation to fill
It sets.
Background technique
Hydrogen Energy is as a kind of efficient clean energy resource, the every field being just gradually applied in production and living, in recent years,
Hydrogen energy automobile is even more to have obtained biggish development.
Voltage regulating module is one of corn module of hydrogen-feeding system, steady to pile output for depressurizing high pressure hydrogen
Fixed low pressure hydrogen.It is traditionally many by filter, pressure reducing valve, low pressure sensor, unloading valve, hand stop valve, check valve etc.
Discrete functions component composition, the components spelling group that the prior art is mostly based on simple function forms, and module size is big, conduit and connects
Head quantity is more, at high cost, low efficiency, the mass production after being unfavorable for vehicle typification.
Therefore, it is necessory to design the regulator of a integral type to solve the above problems.
Utility model content
In view of this, the embodiments of the present invention provide a kind of hydrogen-feeding system integral type regulator, by its each portion
Part is integrated into same valve body, reduces structure size, is reduced leak source, is guaranteed the safe and reliable of hydrogen-feeding system.
To achieve the above object, the utility model uses a kind of technical solution: a kind of hydrogen-feeding system integral type pressure regulation dress
It sets, the regulator includes valve body, arrival end, outlet end and pressure relieving end integrated in the valve body, and the arrival end is used
It in access high pressure hydrogen and is depressurized, the outlet end is for releasing pressure-reduced hydrogen gas, and the pressure relieving end is for hydrogen of releasing；
The arrival end includes inlet attack, filter, one-level pressure relief valve, second depressurized valve, passes through the inlet attack
High pressure hydrogen is accessed, after the filter cleaning, the one-level pressure relief valve is passed sequentially through and second depressurized valve is realized twice
Decompression；
The outlet end is equipped with pressure sensor and outlet connection, is measured and is monitored described in warp by the pressure sensor
The pressure for the pressure-reduced hydrogen gas that outlet connection is released；
The pressure relieving end is equipped with relief valve, hand stop valve, check valve, relief fittings, by controlling the relief valve, hand
Dynamic shut-off valve, check valve, so that hydrogen is released by the relief fittings.
Further, the outlet end is parallel with pressure relieving end, and the arrival end is perpendicular to the outlet end and pressure relieving end.
Further, it is equipped with the first spring and the first adjusting nut in the one-level pressure relief valve, is adjusted by described first
Nut compresses first spring and adjusts charge flow rate to depressurize.
Further, it is equipped with second spring and the second adjusting nut in the second depressurized valve, is adjusted by described second
Nut compresses the second spring and adjusts charge flow rate to depressurize.
Further, it is additionally provided with retaining ring and O-ring in the valve body, the O-ring, the two is installed on the retaining ring
Play sealing.
Further, the valve body and the junction of inlet attack, outlet connection, relief fittings are UNF screw thread.
Further, the inlet attack uses SAE nipple, is threadedly engaged with the UNF of valve body.
Further, the outlet connection uses SAE nipple, is threadedly engaged with the UNF of valve body.
Further, the relief fittings uses SAE nipple, is threadedly engaged with the UNF of valve body.
The technical solution that the embodiments of the present invention provide has the benefit that (1) integrated form saves each function
Whole connecting lines and connector, structure size between component substantially reduce, and system leak source is greatly decreased, and has superpressure guarantor
Shield, one-way guide flow function；(2) easy to operate, allow the hydrogen-feeding system more secure and reliable of hydrogen cell automobile, can independently arrange
On vehicle body, system assembly efficiency is greatly improved, and product cost can also be greatly reduced.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the hydrogen-feeding system integral type regulator of the utility model；
Fig. 2 is the working principle diagram of the hydrogen-feeding system integral type regulator of the utility model.
In figure: 1- valve body, 2- inlet attack, 3- filter, 4- one-level pressure relief valve, 5- second depressurized valve, 6- pressure sensing
Device, 7- outlet connection, 8- relief valve, 9- hand stop valve, 10- check valve, 11- relief fittings, the first spring of 12-, 13- enter
Mouth end, the outlet end 14-, 15- pressure relieving end, 16- second spring, the first adjusting nut of 17-, the second adjusting nut of 18-, 19- retaining ring,
20-O type circle.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
As shown in Figure 1, the embodiments of the present invention disclose a kind of hydrogen-feeding system integral type regulator, including valve body
1, it is integrated in the valve body 1 there are three holding, respectively arrival end 13, outlet end 14 and pressure relieving end 15.The arrival end 13 goes out
Mouth end 14 and pressure relieving end 15 are respectively used to access high pressure hydrogen and are depressurized, release pressure-reduced hydrogen gas, hydrogen of releasing.Preferably,
The outlet end 14 is parallel with pressure relieving end 15, and the arrival end 13 is perpendicular to the outlet end 14 and pressure relieving end 15.
The arrival end 13 includes inlet attack 2, filter 3, one-level pressure relief valve 4, second depressurized valve 5, high pressure hydrogen (example
Such as, 70MPa) pass through the entrance 2 into the arrival end 13, successively pass through the filter 3, one-level pressure relief valve 4 and second level
After pressure reducing valve 5, low pressure hydrogen (for example, 35MPa) is exported by the outlet end 14.The one-level pressure relief valve 4, second depressurized valve 5
Using concatenated mode, the pressure regulation mode of this kind of two stage pressure reducing improves the stability of the regulator and the stabilization of decompression
Property.
The inlet attack 2 is designed according to the high pressure hydrogen pipe outside diameter used, can satisfy the matching of different tube diameters.Institute
Filter 3 is stated for impurity screening, enters the pure of gas to ensure.12 He of the first spring is equipped in the one-level pressure relief valve 4
First adjusting nut 17 compresses first spring 12 and adjusts air inlet by the first adjusting nut 17 of the one-level pressure relief valve 4
Flow can largely reduce high-pressure gas pressure.It is equipped with second spring 16 and second in the second depressurized valve 5 and adjusts spiral shell
Mother 18 drops to middle pressure by high-pressure gas pressure after level-one decompression 4, then adjusts by the second of the second depressurized valve 5
Nut 18 compresses the size that the second spring 16 adjusts air inlet aperture, can the successional pressure for changing the outlet end 14
Power.
The outlet end 14 be equipped with pressure sensor 6 and outlet connection 7, measured by the pressure sensor 6 with
Monitor the gas pressure released through the outlet connection 7.In order to ensure the outlet connection 7 pressure stability, another
End is configured in parallel with adjustable relief valve end (namely pressure relieving end 15), to prevent the failure of the valve body 1, protects rear end fuel
Pile.The outlet connection 7 is designed according to the high pressure hydrogen pipe outside diameter used, can satisfy the matching of different tube diameters.
The pressure relieving end 15 is equipped with relief valve 8, hand stop valve 9, check valve 10, relief fittings 11, by described in control
Relief valve 8, hand stop valve 9, check valve 10, so that hydrogen is released by the relief fittings 11.The relief valve 8, manually
Shut-off valve 9, check valve 10 are used to the off/on of control piper.The hand stop valve 9 improves the behaviour of the valve body 1
The property made uses in the relief fittings 11 of the pressure relieving end 15 for releasing for usually gas displacement and screws in the unidirectional of joint geometry
Valve 10 allows entire hydrogen-feeding system to accomplish to concentrate discharge convenient for pipeline and the tandem of TPRD pressure duct of releasing.The pressure relieving end 15
It is able to solve a replacement piping and hydrogen bottle high-pressure discharge pipeline convergence one, accomplishes that hydrogen concentrates discharge, while preventing high pressure gas
The reverse irrigation of body improves the safety of the regulator, while reducing the requirement for bearing back pressure to the regulator, and reduction is set
Meter and production cost.The relief fittings 11 is designed according to the high pressure hydrogen pipe outside diameter used, can satisfy of different tube diameters
With property.Preferably,
Preferably, the valve body 1 and the junction of inlet attack 2, outlet connection 7, relief fittings 11 are UNF screw thread.
Preferably, the inlet attack 2, outlet connection 7, relief fittings 11 are all made of SAE nipple, the UNF with the valve body 1
It is threadedly engaged.
It is additionally provided with retaining ring 19 (not showing in Fig. 1) and O-ring 20 in the valve body 1, institute is installed on the retaining ring 19
O-ring 20 is stated, to protect the O-ring 20, plays a part of to limit and seal, the O-ring 20 seals.In Fig. 1 only
Part O-ring 20 is drawn to make example.The sealing performance of the valve body 1, while side are improved by the soft seal of the O-ring 20
Just maintenance.The cooperation of the internal orifice dimension of the one-level pressure relief valve 4, the outer housing of second depressurized valve 5 and entire valve body 1 is adopted
It is sealed with the O-ring 20, can reduce the leakage in the regulator, improve the air-tightness of valve body 1.
The technical solution that the embodiments of the present invention provide has the benefit that (1) integrated form saves each function
Whole connecting lines and connector, structure size between component substantially reduce, and system leak source is greatly decreased, and has superpressure guarantor
Shield, one-way guide flow function；(2) easy to operate, allow the hydrogen-feeding system more secure and reliable of hydrogen cell automobile, can independently arrange
On vehicle body, system assembly efficiency is greatly improved, and product cost can also be greatly reduced.
It is worth noting that: in the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", the terms such as " connection ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or
Be integrally connected, can be mechanical connection, for the ordinary skill in the art, can understand as the case may be on
State the concrete meaning of term in the present invention.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. hydrogen-feeding system integral type regulator, it is characterised in that: the regulator include valve body, in the valve body integrate
Arrival end, outlet end and pressure relieving end, the arrival end is for accessing high pressure hydrogen and depressurized, and the outlet end is for putting
Pressure-reduced hydrogen gas out, the pressure relieving end is for hydrogen of releasing；
The arrival end includes inlet attack, filter, one-level pressure relief valve, second depressurized valve, is accessed by the inlet attack
High pressure hydrogen passes sequentially through the one-level pressure relief valve and the realization of second depressurized valve is depressurized twice after the filter cleaning；
The outlet end is equipped with pressure sensor and outlet connection, is measured and is monitored through the outlet by the pressure sensor
The pressure for the pressure-reduced hydrogen gas that connector is released；
The pressure relieving end is equipped with relief valve, hand stop valve, check valve, relief fittings, by controlling the relief valve, cutting manually
Only valve, check valve, so that hydrogen is released by the relief fittings.
2. hydrogen-feeding system integral type regulator according to claim 1, it is characterised in that: the outlet end and pressure relieving end
In parallel, the arrival end is perpendicular to the outlet end and pressure relieving end.
3. hydrogen-feeding system integral type regulator according to claim 1, it is characterised in that: set in the one-level pressure relief valve
There are the first spring and the first adjusting nut, first spring is compressed by first adjusting nut and adjusts charge flow rate to subtract
Pressure.
4. hydrogen-feeding system integral type regulator according to claim 1, it is characterised in that: set in the second depressurized valve
There are second spring and the second adjusting nut, the second spring is compressed by second adjusting nut and adjusts charge flow rate to subtract
Pressure.
5. hydrogen-feeding system integral type regulator according to claim 1, it is characterised in that: be additionally provided with gear in the valve body
Circle and O-ring, install the O-ring, the two plays sealing on the retaining ring.
6. hydrogen-feeding system integral type regulator according to claim 1, it is characterised in that: the valve body connects with entrance
Head, outlet connection, relief fittings junction be UNF screw thread.
7. hydrogen-feeding system integral type regulator according to claim 6, it is characterised in that: the inlet attack uses
SAE nipple is threadedly engaged with the UNF of valve body.
8. hydrogen-feeding system integral type regulator according to claim 6, it is characterised in that: the outlet connection uses
SAE nipple is threadedly engaged with the UNF of valve body.
9. hydrogen-feeding system integral type regulator according to claim 6, it is characterised in that: the relief fittings uses
SAE nipple is threadedly engaged with the UNF of valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664293.3U CN209278556U (en) | 2018-10-15 | 2018-10-15 | Hydrogen-feeding system integral type regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664293.3U CN209278556U (en) | 2018-10-15 | 2018-10-15 | Hydrogen-feeding system integral type regulator |
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| Publication Number | Publication Date |
|---|---|
| CN209278556U true CN209278556U (en) | 2019-08-20 |
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ID=67604609
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821664293.3U Active CN209278556U (en) | 2018-10-15 | 2018-10-15 | Hydrogen-feeding system integral type regulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340411A (en) * | 2018-10-15 | 2019-02-15 | 武汉格罗夫氢能汽车有限公司 | Hydrogen-feeding system integral type regulator |
| CN113074029A (en) * | 2021-04-14 | 2021-07-06 | 浙江尔格科技股份有限公司 | Oil pump pressure reducing valve and oil pump for internal combustion engine using same |
-
2018
- 2018-10-15 CN CN201821664293.3U patent/CN209278556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340411A (en) * | 2018-10-15 | 2019-02-15 | 武汉格罗夫氢能汽车有限公司 | Hydrogen-feeding system integral type regulator |
| CN113074029A (en) * | 2021-04-14 | 2021-07-06 | 浙江尔格科技股份有限公司 | Oil pump pressure reducing valve and oil pump for internal combustion engine using same |
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