CN109826981A - A Highly Integrated High-Pressure Hydrogen Cylinder Valve - Google Patents
A Highly Integrated High-Pressure Hydrogen Cylinder Valve Download PDFInfo
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- CN109826981A CN109826981A CN201910149903.9A CN201910149903A CN109826981A CN 109826981 A CN109826981 A CN 109826981A CN 201910149903 A CN201910149903 A CN 201910149903A CN 109826981 A CN109826981 A CN 109826981A
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Abstract
本发明公开了一种高度集成的高压氢气瓶口阀，包括：带连接柱体的主阀体，在主阀体内设置有独立的第一流道和第二流道，第一流道的一端在主阀体表面形成第一进气口、另一端在连接柱体底面形成第一出气口；第二流道一端在连接柱体底面形成第二进气口、另一端在主阀体表面形成第二出气口；在第一流道上、由第一进气口向第一出气口方向依次设置有第一过滤器和单向阀；在第二流道上、由第二进气口向第二出气口方向依次设置有限流阀、第二过滤器、电磁阀、手动切断阀和减压阀，减压阀集成于主阀体上。将各单体阀体及元器件集成于主阀体上既能使瓶口阀整体更加简单、紧凑，便于管路布局，又能减少氢气泄漏风险，提高瓶口阀的安全可靠性能。
The invention discloses a highly integrated high-pressure hydrogen bottle valve, comprising: a main valve body with a connecting cylinder, independent first flow channels and second flow channels are arranged in the main valve body, and one end of the first flow channel is in the main valve body. The surface of the valve body forms a first air inlet, the other end forms a first air outlet on the bottom surface of the connecting cylinder; one end of the second flow channel forms a second air inlet on the bottom surface of the connecting cylinder, and the other end forms a second air inlet on the surface of the main valve body Air outlet; on the first flow passage, a first filter and a one-way valve are arranged in sequence from the first air inlet to the first air outlet; on the second flow passage, from the second air inlet to the second air outlet A limiting valve, a second filter, a solenoid valve, a manual shut-off valve and a pressure reducing valve are arranged in sequence, and the pressure reducing valve is integrated on the main valve body. Integrating each single valve body and components into the main valve body can not only make the bottle valve as a whole simpler and more compact, facilitate the pipeline layout, but also reduce the risk of hydrogen leakage and improve the safety and reliability of the bottle valve.
Description
Technical field
The present invention relates to hydrogen storage technology fields, more particularly to a kind of highly integrated high pressure hydrogen bottle-jack valve.
Background technique
Hydrogen Energy is considered as 21st century important secondary energy sources, have it is resourceful, fuel value is high, cleaning and can be again
The advantages that raw, with the rapid development of fuel cell and battery car technology, safe and efficient hydrogen storage technology becomes Hydrogen Energy application
Key.
Hydrogen storage mode uses hydrogen storage cylinder high-pressure hydrogen storing, reasonable, effective use of the high pressure hydrogen in hydrogen storage cylinder at present
It is be unable to do without bottle-jack valve, the high pressure hydrogen in hydrogen storage cylinder must can just be supplied to fuel electricity after bottle-jack valve and follow-up system processing
Pond, thus bottle-jack valve is component in hydrogen-feeding system and its important, performance superiority and inferiority directly affect fuel cell normal work,
The service efficiency of hydrogen-feeding system and the security performance of hydrogen-feeding system.
Common bottle-jack valve is that have corresponding function by the way that external pipeline is external on the main valve body of bottle-jack valve in the market
Monomer valve member and component, each monomer valve member and component are arranged in around main valve body in march-past.The bottle-jack valve of above structure
Have the following disadvantages: that 1. external pipeline quantity is more and layout is cumbersome, bottle-jack valve overall structure occupied space is big；2. in use process
It is very low easily to there is hydrogen gas leakage phenomenon, security reliability.
Summary of the invention
The technical issues of solving needed for of the invention is: providing and a kind of each monolithic valve body and component is integrated on main valve body
Highly integrated high pressure hydrogen bottle-jack valve, can make bottle-jack valve integrally simpler, compact in this way, be convenient for pipe-line layout, again
It can be reduced hydrogen gas leakage risk, improve the safety and reliability of bottle-jack valve.
To solve the above problems, the technical solution adopted by the present invention is that: the highly integrated High Pressure Hydrogen gas cylinder of described one kind
Mouthful valve is sealed on the bottleneck of hydrogen storage cylinder, and a kind of structure of highly integrated high pressure hydrogen bottle-jack valve includes: main valve body,
It is provided with the connection cylinder that can be protruded into hydrogen storage cylinder bottleneck in main valve body bottom, is provided with and hydrogen storage cylinder on connection cylinder
The connection screw thread of the screw-internal thread fit connection of bottleneck, bottle-jack valve are tightened in hydrogen storage cylinder by the connection screw thread on connection cylinder
On bottleneck.First runner and second flow channel are provided in main valve body, first runner and second flow channel are mutually indepedent, first runner
Air inlet form the first air inlet through main valve body surface, on main valve body surface, connecting column is run through in the gas outlet of first runner
Body bottom surface forms the first gas outlet in connection cylinder bottom surface；The air inlet of second flow channel runs through connection cylinder bottom surface, in connecting column
Body bottom surface forms the second air inlet, and the gas outlet of second flow channel forms the second outlet through main valve body surface, on main valve body surface
Mouthful.
First filter and unidirectional is disposed on first runner, from the first air inlet to the first gas outlet direction
Valve fills the unstrpped gas of hydrogen storage cylinder after the entrance of the first air inlet successively through first filter, check valve, the first gas outlet
It is packed into hydrogen storage cylinder.Wherein check valve setting guarantee hydrogen storage cylinder in gas can not from the first gas outlet to first into
Port flowing.
In second flow channel, from the second air inlet to the second gas outlet direction be disposed with flow-limiting valve, the second filter,
Solenoid valve, hand off valve and pressure reducing valve；The relief valve body is cylinder body shape, and outer spiral shell is provided on relief valve body
Line is provided with the elongate slots being inwardly recessed on the relief valve body side wall being located at below external screw thread, and the air inlet of pressure reducing valve is set
It is placed in elongate slots slot bottom, the gas outlet of pressure reducing valve is set to relief valve body bottom, offers and is inwardly recessed on main valve body
Connecting hole is provided with the internal screw thread with external screw thread cooperation in connecting hole side wall, after pressure reducing valve sealing is tightened in connecting hole, decompression
There are gaps between valve body bottom and connecting hole bottom hole, in the connection between relief valve body bottom and connecting hole bottom hole
The second connecting hole is offered on the side wall of hole, is offered the first connecting hole on the connecting hole side wall opposite with elongate slots, is stored in
High pressure hydrogen in hydrogen storage cylinder is from the second air inlet successively through flow-limiting valve, the second filter, solenoid valve, hand off valve,
It is flowed out after one connecting hole, pressure reducing valve, the second connecting hole from the second gas outlet.
Further, the highly integrated high pressure hydrogen bottle-jack valve of one kind above-mentioned, wherein in relief valve body top sidewall
Upper cut-space has several platforms, and the setting of platform tightens installation convenient for relief valve body.
Further, the highly integrated high pressure hydrogen bottle-jack valve of one kind above-mentioned, wherein the relief valve body is by
One valve body and the second valve body are constituted, and the outer diameter of the first valve body is greater than the second valve body outer diameter, and external screw thread, elongate slots are respectively positioned on first
On valve body, the gas outlet of pressure reducing valve is located at the second body base；The connecting hole with the first valve body matched first by connecting
Cavity and with the second valve body matching second connect cavity constitute, and first connection cavity inside diameter be greater than second connect cavity inside diameter,
First connecting hole is located at the first connection cavity sidewalls, and the second connecting hole is located at the second connection cavity sidewalls；Pressure reducing valve sealing screws
When in connecting hole, the second valve body is protruded into the second connection cavity, at this time the second body base with second connect cavity bottom it
Between there are gap, the second connecting hole be located at the second valve body and second connection cavity between second connection cavity sidewalls on.It is above-mentioned
The setting of structure can prevent gap of the hydrogen between relief valve body and connecting hole hole wall entered from the first connecting hole to the
Two connecting holes leakage, to guarantee the accuracy of pressure reducing valve pressure regulation.
Further, the highly integrated high pressure hydrogen bottle-jack valve of one kind above-mentioned, wherein be located at external screw thread and elongate slots
Between relief valve body side wall on offer holding tank, retaining ring and sealing ring are provided in holding tank.
Further, the highly integrated high pressure hydrogen bottle-jack valve of one kind above-mentioned, wherein independence is provided in main valve body
Third flow channel, the air inlet of third flow channel forms third air inlet, third through connection cylinder bottom surface, in connection cylinder bottom surface
The gas outlet of runner forms third gas outlet through main valve body surface, on main valve body surface；Blocking is provided in third flow channel
The TPRD bleeder of third flow channel circulation.
Further, the highly integrated high pressure hydrogen bottle-jack valve of one kind above-mentioned, wherein independence is provided in main valve body
Sense channel, one end of sense channel forms detection mouth through connection cylinder bottom surface, in connection cylinder bottom surface, sense channel
The other end forms installing port through main valve body surface, on main valve body surface, and temperature sensor is sealed in sense channel.
Further, the highly integrated high pressure hydrogen bottle-jack valve of one kind above-mentioned, wherein independence is provided in main valve body
Pressure release passage, the air inlet of pressure release passage forms pressure release import through connection cylinder bottom surface, in connection cylinder bottom surface, and pressure release is logical
The gas outlet in road forms pressure relief vent through main valve body surface, on main valve body surface, and safety relief is provided on pressure release passage
Valve and pressure transmitter.
The beneficial effects of the present invention are: 1. integrated level is high, bottle-jack valve external pipeline quantity is effectively reduced, pipeline cloth is facilitated
Office, bottle-jack valve overall structure are simpler, compact；2. reducing hydrogen gas leakage risk, the safety and reliability of bottle-jack valve are improved.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the highly integrated high pressure hydrogen bottle-jack valve of one kind of the present invention.
Fig. 2 is the stereochemical structure signal in highly integrated another direction of high pressure hydrogen bottle-jack valve of one kind of the present invention
Figure.
Fig. 3 is the structural schematic diagram in the direction A in Fig. 2.
Fig. 4 is the structural schematic diagram of the highly integrated high pressure hydrogen bottle-jack valve top surface of one kind of the present invention.
Fig. 5 is the structural schematic diagram of D-D section view direction in Fig. 4.
Fig. 6 is the structural schematic diagram of E-E section view direction in Fig. 4.
Fig. 7 is the schematic diagram of internal structure that pressure reducing valve is integrated in main valve body.
Fig. 8 is the structural schematic diagram in the direction C in Fig. 1.
Fig. 9 is the structural schematic diagram of B-B section view direction in Fig. 8.
Figure 10 is the schematic perspective view of pressure reducing valve.
Figure 11 is the schematic diagram of internal structure of pressure reducing valve.
Figure 12 is the schematic illustration of the highly integrated high pressure hydrogen bottle-jack valve of one kind of the present invention.
Figure 13 is the structural schematic diagram of first filter.
Figure 14 is the schematic diagram of internal structure of first filter.
Figure 15 is the working state schematic representation that first filter is mounted in main valve body.
Specific embodiment
With reference to the accompanying drawing and preferred embodiment further details of the technical solution described in the present invention.
A kind of highly integrated high pressure hydrogen bottle-jack valve using when be sealedly attached on the bottleneck of hydrogen storage cylinder 100, such as Fig. 1
With shown in Fig. 2, the structure of the highly integrated high pressure hydrogen bottle-jack valve of one kind described in the present embodiment are as follows: including main valve body 1, in master
1 bottom of valve body is provided with the connection cylinder 2 that can be protruded into 100 bottleneck of hydrogen storage cylinder, is provided with and hydrogen storage gas on connection cylinder 2
The connection screw thread 21 of the screw-internal thread fit connection of 100 bottlenecks of bottle, highly integrated high pressure hydrogen bottle-jack valve pass through on connection cylinder 2
Connection screw thread 21 be tightened on the bottleneck of hydrogen storage cylinder 100.As shown in Fig. 1, Fig. 3, Fig. 6, Fig. 7 and Figure 12, in main valve body 1
It is provided with first runner 3 and second flow channel 4, first runner 3 and second flow channel 4 are mutually indepedent, non-interference.First runner 3
Air inlet forms the first air inlet 31 through 1 surface of main valve body, on 1 surface of main valve body, and the gas outlet of first runner 3 is through connection
2 bottom surface of cylinder forms the first gas outlet in connection 2 bottom surface of cylinder.Go out on first runner 3, from the first air inlet 31 to first
Port direction is disposed with first filter 32 and check valve 33, fills the unstrpped gas of hydrogen storage cylinder 100 from the first air inlet
Mouth 31 is successively packed into hydrogen storage cylinder 100 through first filter 32, check valve 33, the first gas outlet after entering.It is wherein unidirectional
The setting of valve 33 guarantees that the gas in hydrogen storage cylinder 100 can not be flowed from the first gas outlet to the first air inlet 31.Such as Fig. 2 and figure
Shown in 3, keeps bottle-jack valve internal structure more compact in the present embodiment, check valve 33 is set in the first gas outlet.
As shown in Fig. 2, Fig. 3, Fig. 5, Fig. 7 and Figure 12, the air inlet of second flow channel 4 runs through connection 2 bottom surface of cylinder, is connecting
2 bottom surface of cylinder forms the second air inlet, and the gas outlet of second flow channel 4 forms the through 1 surface of main valve body, on 1 surface of main valve body
Two gas outlets 41.Flow-limiting valve 42, are disposed in second flow channel 4, from the second air inlet to 41 direction of the second gas outlet
Tow filtrator 43, solenoid valve 44, hand off valve 45 and pressure reducing valve 5.
As shown in Fig. 7, Figure 10 and Figure 11,5 valve body of pressure reducing valve is cylinder body shape, is arranged on 5 valve body of pressure reducing valve
There is external screw thread 51, be provided with the elongate slots 52 being inwardly recessed on 5 body wall of pressure reducing valve being located at below external screw thread 51, depressurizes
The air inlet 53 of valve is set to elongate slots slot bottom, and the gas outlet 54 of pressure reducing valve is set to 5 body base of pressure reducing valve, in main valve body 1
On offer the connecting hole 11 being inwardly recessed, 11 side wall of connecting hole be provided with external screw thread 51 cooperate internal screw thread 12, such as scheme
Shown in 11, holding tank is offered on 5 body wall of pressure reducing valve between external screw thread 51 and elongate slots 52, in holding tank
It is provided with the retaining ring 55 and sealing ring 56 for sealing.After the sealing of pressure reducing valve 5 is tightened in connecting hole 11,5 valve body bottom of pressure reducing valve
There are gaps between 11 bottom hole of portion and connecting hole, in the connecting hole between 11 bottom hole of 5 body base of pressure reducing valve and connecting hole
The second connecting hole 14 is offered on 11 side walls, offers the first connecting hole on connecting hole 11 side wall opposite with elongate slots 52
13, the high pressure hydrogen in hydrogen storage cylinder 100 is from the second air inlet successively through flow-limiting valve 42, the second filter 43, solenoid valve 44, hand
It is flowed out after dynamic stop valve 45, the first connecting hole 13, pressure reducing valve 5, the second connecting hole 14 from the second gas outlet 41.It is in the present embodiment
Keep bottle-jack valve internal structure more compact, flow-limiting valve 42 is set in the second air inlet.
As shown in Figure 10, cut-space has several platforms 50 on 5 body top side wall of pressure reducing valve, and the setting of platform 50 is just
Installation is tightened in 5 valve body of pressure reducing valve.
As shown in Figure 10 and Figure 11,5 valve body of pressure reducing valve is made of the first valve body 501 and the second valve body 502, and the
The outer diameter of one valve body 501 is greater than 502 outer diameter of the second valve body, and external screw thread 51, elongate slots 52 are respectively positioned on the first valve body 501, depressurizes
The gas outlet 54 of valve is located at 502 bottom of the second valve body.The connecting hole 11 is by connecting sky with the first valve body 501 matched first
Chamber and connect with the second valve body 502 matched second cavity composition, and first connection cavity inside diameter be greater than second connection cavity in
Diameter, the first connecting hole 13 are located at the first connection cavity sidewalls, and the second connecting hole 14 is located at the second connection cavity sidewalls.Pressure reducing valve 5
When being tightened in connecting hole 11, the second valve body 502 is protruded into the second connection cavity for sealing, at this time 502 bottom of the second valve body and the
There are gap between two connection cavity bottoms, the second connecting hole 14 is located at 502 bottom of the second valve body and connect cavity bottom with second
Between second connection cavity sidewalls on.
It is shown as shown in Fig. 1, Fig. 3, Fig. 5, Fig. 8, Fig. 9 and Figure 12, independent third flow channel is provided in main valve body 1
7, third flow channel 7, first runner 3 and 4 three of second flow channel are mutually indepedent, non-interference.The air inlet of third flow channel 7 is through company
Connect 2 bottom surface of cylinder, form third air inlet 72 in connection 2 bottom surface of cylinder, the gas outlet of third flow channel 7 through 1 surface of main valve body,
Third gas outlet 73 is formed on 1 surface of main valve body；The TPRD for blocking third flow channel 7 to circulate is provided in third flow channel 7 to release
Device 71.Easy fusing alloy plug when the high pressure hydrogen temperature in third flow channel 7 reaches certain numerical value, in TPRD bleeder 71
It will melt, to make that third flow channel 7 is unimpeded, releases to the high pressure hydrogen in hydrogen storage gas tank, to play a protective role.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Figure 12, independent sense channel 8, sense channel are provided in main valve body 1
8, third flow channel 7, first runner 3 and second flow channel 4 are mutually independent, non-interference.Connecting column is run through in one end of sense channel 8
2 bottom surface of body forms detection mouth 81 in connection 2 bottom surface of cylinder, and the other end of sense channel 8 runs through 1 surface of main valve body, in main valve body
1 surface forms installing port 82, and temperature sensor 83 is sealed in sense channel 8.The temperature sensor 83 is temperature-sensitive
The inductive head of resistor, thermal resistor is stretched out from detection mouth 81, and it is logical that the electric wire seat 85 of thermal resistor is sealed at detection
In road 8, the electric wire 84 stretched out from electric wire seat 85 is picked out from installing port 82.
As shown in Fig. 2, Fig. 3 and Figure 12, independent pressure release passage is provided in main valve body 1, pressure release passage and detection are logical
Road 8, third flow channel 7, first runner 3 and second flow channel 4 are mutually independent, non-interference.The air inlet of pressure release passage is through company
Connect 2 bottom surface of cylinder, form pressure release import 61 in connection 2 bottom surface of cylinder, the gas outlet of pressure release passage through 1 surface of main valve body,
1 surface of main valve body forms pressure relief vent, and safety relief valve 6 and pressure transmitter 62 are provided on pressure release passage.To make bottleneck
Valve internal structure is more compact, and safety relief valve 6 is set in pressure relief vent.
Embodiment two
First filter 32 is identical with 43 the two structure of the second filter, and first filter 32 is described in detail in the present embodiment
Structure, as shown in Figure 13, Figure 14, Figure 15, the structure of the first filter 32 are as follows: include: filter cartridge 201, filter core cylinder
One end of body 201 is provided with exhaust outlet 211, and exhaust outlet 211 is connected with the inner cavity 212 of filter cartridge 201.Filter cartridge 201
The other end be provided with air inlet head 202, the outer end of air inlet head 202 offers air inlet 221, is spaced on the side wall of air inlet head 202
Several exhaust holes 222 are provided with, each exhaust hole 222 is connected to air inlet 221.In the present embodiment, exhaust hole 222
Quantity be four, four exhaust holes 222 along air inlet head 202 side wall circumferential direction uniform intervals be arranged.
As shown in figure 15, filter wire 213 is wound on the barrel of filter cartridge 201, the diameter of filter wire 213 is with 0.5mm or so
It is advisable, the filter wire 213 is steel wire.Gap between adjacent filter wire 213 forms time of filtration, in order to ensure filter effect,
Time of filtration between adjacent filter wire 213 is more than or equal to 20 microns and is less than or equal to 50 microns.
The barrel circumferential direction uniform intervals for being wound with the filter cartridge 201 of filter wire 213 are disposed with several air inlets being recessed inwardly
Groove 214, is provided with several filter core through-holes 215 in every air inlet groove 214, and each filter core through-hole 215 is and filter cartridge
201 inner cavity 212 is connected.In the present embodiment, the filtering through-hole 215 in adjacent two air inlet grooves 214 is in filter cartridge 201
Axially mutually stagger setting.
In order to ensure filter wire 213 install stability and ensure the time of filtration uniformity between adjacent filter wire 213, this implementation
It is provided with screw thread 216 on the barrel of filter cartridge 201 in example, the screw pitch of screw thread 216 is 20 ~ 50 microns bigger than the diameter of filter wire 213
The filter wire 213 is wrapped in the thread groove of the formation of adjacent thread 216.The both ends of the barrel of filter cartridge 201 are respectively set
There are fixation hole 217 and fixed groove 218, one end of filter wire 213 is fixed in fixation hole 217, and the other end of filter wire 213 is fixed on
In fixed groove 218.
First filter 32 is mounted in the valve chamber 231 of first runner 3 when use, the air inlet 221 on air inlet head 202
It is connected with the first air inlet 31 of first runner 3, forms one between the barrel of filter cartridge 201 and the inner wall of valve chamber 231
Closed filtering chamber 230, each exhaust hole 222 on air inlet head 202 are connected with filtering chamber 230, filter cartridge
201 exhaust outlet 211 is connected to second one-way valve 33.
Hydrogen enters in valve chamber 231 from the first air inlet 31 of first runner 3, then logical from exhaust through air inlet 221
Hole 222 enters in filtering chamber 230, from air inlet groove 214 after the filtering that the hydrogen in filtering chamber 230 passes through filter wire 213
Filter core through-hole 215 in enter in the inner cavity 212 of filter cartridge 201.Hydrogen in 201 inner cavity 212 of filter cartridge is again from row
It is entered in port 211 in second one-way valve 33.The structure of second filter 43 and the structure of first filter 32 and work are former
Reason is consistent, repeats no more.
First filter 32,43 structure of the second filter are simple, occupy little space, can easily integrated installation in main valve body
In 1, to effectively be filtered to hydrogen, it is ensured that the cleanliness of hydrogen effectively improves hydrogen energy source quality, prevents mounted gas cylinder valve
The case where door blocks.Remaining structure and usage mode are the same as example 1, and are repeated no more.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any other form, and
Any modification made by according to the technical essence of the invention or equivalent variations, still fall within the scope of protection of present invention.
The invention has the advantages that 1. integrated level is high, bottle-jack valve external pipeline quantity is effectively reduced, pipe-line layout, bottle are facilitated
Mouth valve overall structure is simpler, compact；2. reducing hydrogen gas leakage risk, the safety and reliability of bottle-jack valve are improved.
Claims (7)
1. a kind of highly integrated high pressure hydrogen bottle-jack valve, comprising: main valve body, it is characterised in that: be provided in main valve body bottom
The connection cylinder in hydrogen storage cylinder bottleneck can be protruded into, the connection for matching connection with hydrogen storage cylinder bottleneck is provided on connection cylinder
Screw thread；First runner and second flow channel are provided in main valve body, first runner and second flow channel are mutually indepedent, first runner
Air inlet forms the first air inlet through main valve body surface, on main valve body surface, and the gas outlet of first runner is through connection cylinder
Bottom surface forms the first gas outlet in connection cylinder bottom surface；The air inlet of second flow channel runs through connection cylinder bottom surface, in connection cylinder
Bottom surface forms the second air inlet, and the gas outlet of second flow channel forms the second gas outlet through main valve body surface, on main valve body surface；
First filter and check valve, check valve are disposed on first runner, from the first air inlet to the first gas outlet direction
Block gas from the first gas outlet to the first air inlets flow；In second flow channel, from the second air inlet to the second gas outlet side
To being disposed with flow-limiting valve, the second filter, solenoid valve, hand off valve and pressure reducing valve；The relief valve body is column
Shape is provided with external screw thread on relief valve body, be located at external screw thread below relief valve body side wall on be provided with to
Interior recessed elongate slots, the air inlet of pressure reducing valve are set to elongate slots slot bottom, and the gas outlet of pressure reducing valve is set to relief valve body
Bottom；The connecting hole being inwardly recessed is offered on main valve body, and connecting hole side wall is provided with the internal screw thread with external screw thread cooperation,
After pressure reducing valve sealing is tightened in connecting hole, there are gaps between relief valve body bottom and connecting hole bottom hole, are being located at decompression
The second connecting hole is offered on connecting hole side wall between valve body bottom and connecting hole bottom hole, in the connection opposite with elongate slots
Offer the first connecting hole on the side wall of hole, gas is from the second air inlet successively through flow-limiting valve, the second filter, solenoid valve, manually
It is flowed out after stop valve, the first connecting hole, pressure reducing valve, the second connecting hole from the second gas outlet.
2. the highly integrated high pressure hydrogen bottle-jack valve of one kind according to claim 1, it is characterised in that: in relief valve body
Cut-space has several platforms in top sidewall.
3. the highly integrated high pressure hydrogen bottle-jack valve of one kind according to claim 1 or 2, it is characterised in that: described subtracts
Pressure valve body is made of the first valve body and the second valve body, and the outer diameter of the first valve body is greater than the second valve body outer diameter, external screw thread, elongated
Slot is respectively positioned on the first valve body, and the gas outlet of pressure reducing valve is located at the second body base；The connecting hole by with the first valve body
First matched connects cavity and connect cavity composition with the second valve body matched second, and the first connection cavity inside diameter is greater than second and connects
Cavity inside diameter is connect, the first connecting hole is located at the first connection cavity sidewalls, and the second connecting hole is located at the second connection cavity sidewalls；Decompression
When valve sealing is tightened in connecting hole, the second valve body is protruded into the second connection cavity.
4. the highly integrated high pressure hydrogen bottle-jack valve of one kind according to claim 1 or 2, it is characterised in that: outer being located at
Holding tank is offered on relief valve body side wall between screw thread and elongate slots, retaining ring and sealing ring are provided in holding tank.
5. the highly integrated high pressure hydrogen bottle-jack valve of one kind according to claim 1, it is characterised in that: set in main valve body
Be equipped with independent third flow channel, the air inlet of third flow channel through connection cylinder bottom surface, connection cylinder bottom surface formed third into
The gas outlet of port, third flow channel forms third gas outlet through main valve body surface, on main valve body surface；It is set in third flow channel
It is equipped with the TPRD bleeder for blocking third flow channel circulation.
6. the highly integrated high pressure hydrogen bottle-jack valve of one kind according to claim 1, it is characterised in that: set in main valve body
It is equipped with independent sense channel, one end of sense channel forms detection mouth, inspection through connection cylinder bottom surface, in connection cylinder bottom surface
The other end for surveying channel forms installing port through main valve body surface, on main valve body surface, and temperature sensor is sealed at detection
In channel.
7. according to claim 1, the highly integrated high pressure hydrogen bottle-jack valve of one kind described in 5 or 6, it is characterised in that: in main valve
It is provided with independent pressure release passage in vivo, the air inlet of pressure release passage is formed through connection cylinder bottom surface, in connection cylinder bottom surface
The gas outlet of pressure release import, pressure release passage forms pressure relief vent through main valve body surface, on main valve body surface, on pressure release passage
It is provided with safety relief valve and pressure transmitter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910149903.9A CN109826981A (en) | 2019-02-28 | 2019-02-28 | A Highly Integrated High-Pressure Hydrogen Cylinder Valve |
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| CN201910149903.9A CN109826981A (en) | 2019-02-28 | 2019-02-28 | A Highly Integrated High-Pressure Hydrogen Cylinder Valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617356A (en) * | 2019-09-12 | 2019-12-27 | 张家港氢云新能源研究院有限公司 | TPRD pressure relief device on high-pressure bottle mouth valve |
| CN112943749A (en) * | 2021-02-02 | 2021-06-11 | 何荣志 | Duplex stacked filter |
| CN113137570A (en) * | 2021-04-25 | 2021-07-20 | 杭州春江阀门有限公司 | Ultrahigh pressure vehicle-mounted hydrogen storage cylinder combination valve |
| CN113137569A (en) * | 2021-04-25 | 2021-07-20 | 杭州春江阀门有限公司 | Vehicle-mounted ultrahigh-pressure hydrogen storage cylinder combination valve |
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| CN110617356A (en) * | 2019-09-12 | 2019-12-27 | 张家港氢云新能源研究院有限公司 | TPRD pressure relief device on high-pressure bottle mouth valve |
| CN112943749A (en) * | 2021-02-02 | 2021-06-11 | 何荣志 | Duplex stacked filter |
| CN113137570A (en) * | 2021-04-25 | 2021-07-20 | 杭州春江阀门有限公司 | Ultrahigh pressure vehicle-mounted hydrogen storage cylinder combination valve |
| CN113137569A (en) * | 2021-04-25 | 2021-07-20 | 杭州春江阀门有限公司 | Vehicle-mounted ultrahigh-pressure hydrogen storage cylinder combination valve |
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