CN207999654U - A kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment - Google Patents
A kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment Download PDFInfo
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- CN207999654U CN207999654U CN201820443344.3U CN201820443344U CN207999654U CN 207999654 U CN207999654 U CN 207999654U CN 201820443344 U CN201820443344 U CN 201820443344U CN 207999654 U CN207999654 U CN 207999654U
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- hydrogen
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Abstract
The utility model is related to automobile technical fields, purpose is to provide a kind of better FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment, including sealed chamber, hydrogen container detection device, initiative exhaust relief line, hydrogen gas concentration sensor, gas pressure sensor, angular transducer;The hydrogen container detection device includes multiple probes that range can cover entire hydrogen container surface of taking pictures;The hydrogen gas concentration sensor, gas pressure sensor, angular transducer, first exhaust pressure reducing valve, second exhaust pressure reducing valve, hydrogen container detection device are connect by explosion-proof communication bus with ECU respectively.It is constantly taken pictures to hydrogen container surface by probe by hydrogen container detection device, then the local defect on hydrogen container surface is detected by gray proces, pixel identification, threshold decision, the information of acquisition is transferred to ECU, the initiative exhaust relief line is controlled by ECU, hydrogen is discharged in seal box automatically for realization, and safety, explosion-proof performance are good.
Description
Technical field
The utility model is related to automobile technical fields, the more particularly to a kind of explosion-proof dress of FCEV system high pressures hydrogen storage fuel tank
It sets.
Background technology
FCEV, the abbreviation of (Fuel Cell Electric Vehicle) fuel cell electric vehicle.Make the hydrogen as fuel
It in the fuel cell that automobile carries, is chemically reacted with the oxygen in air, starts motor to produce electric energy, in turn
Drive automobile.
Exactly because but using hydrogen as fuel, so also having to face following problem, the wherein storage of hydrogen
It is larger to deposit problem difficulty, needs high pressure, high sealing, once leakage is easy to cause explosion, threat is brought to the person and property.
In publication number 102490593B and 202357860U patent, disclose " a kind of hydrogen fuel cell electric vehicle " and
" a kind of protected against explosion hydrogen fuel cell electric vehicle construction ", including automobile body, two front-wheels, two trailing wheels, chassis and boot, rear
There is compartment on the inside or outside of standby case, hydrogen fuel cell power supply is placed in compartment;Above chassis between two trailing wheels, peace
Mating at least one hydrogen container fixing device equipped with lock protected against explosion drawer and with lock protected against explosion drawer.Patent text
The fixed hydrogen container of " lock protected against explosion drawer " installation in part, is mainly utilized, the safety of hydrogen fuel cell electric vehicle is increased.But
If the security risk that the patent and unresolved hydrogen leakage are brought.
In the patent of publication number 101098797B, a kind of vehicle for utilizing and being travelled from the power of power source is disclosed
, including:Gas fuel tank stores the gaseous fuel supplied to the power source, configures in car body carriage top;Air-conditioning list
Member configures the vehicle front in the front-back direction of the gas fuel tank in car body carriage top, has for importing outside
The extraneous gas introducing port of gas, and adjust the indoor sky of occupant using the extraneous gas imported from the extraneous gas introducing port
Gas;Covering for roofs, which at least covers the gas fuel tank and the air-conditioning unit, and has to the air-conditioning unit
Extraneous gas introducing port guides the extraneous gas guiding port of extraneous gas;And radiator, configure the institute in car body carriage top
The vehicle rear in the front-back direction of gas fuel tank is stated, the cooling system of the power source is used for.The patent is to set air accumulator
It sets on the top of vehicle, when gaseous fuel leaks, gaseous fuel can flow to vehicle rear with wind direction, which mainly prevents gas
Fuel is entered by air-conditioning unit in crew department.But the patent is also and unresolved such as air accumulator is such as hit by the external world, impacts and deposit
Risk of explosion problem.
Invention content
In view of the above-mentioned problems, the utility model aim is to provide a kind of FCEV system height for effectivelying prevent hydrogen storage vessel to explode
Press hydrogen storage fuel tank explosion-protection equipment.
For achieving the above object, technical solution used by the utility model is:A kind of FCEV system high pressures hydrogen storage
Fuel tank explosion-protection equipment, including can built-in and fixed hydrogen container sealed chamber, continuously take pictures to hydrogen container and carry out Image Acquisition
Hydrogen container detection device, initiative exhaust relief line, be set in sealed chamber and the density of hydrogen sensing outside hydrogen container
Device and gas pressure sensor, the angular transducer being arranged on sealed chamber;
The hydrogen gas concentration sensor, gas pressure sensor, angular transducer, first exhaust pressure reducing valve, second row
Gas pressure reducing valve, hydrogen container detection device are connect by explosion-proof communication bus with ECU respectively;ECU is fired with explosion-proof electrical source, hydrogen respectively
Quick-fried alarm, pressure alarm are electrically connected.
ECU (Electronic Control Unit) electronic control unit, also known as " car running computer ", " vehicle-mounted computer " etc.,
Automobile specified microcomputerized controller is turned by microprocessor (CPU), memory (ROM, RAM), input/output interface (I/O), modulus
The large scale integrated circuits such as parallel operation (A/D) and shaping, driving form.
The image data and hydrogen gas concentration sensor, gas pressure sensor, angle that ECU is acquired according to hydrogen container detection device
The data for spending sensor detection control initiative exhaust relief line.
Preferably, the hydrogen container detection device includes range can the cover entire hydrogen container surface and and ECU that takes pictures
The multiple probes being electrically connected, the probe are furnished with image pick-up card.
Preferably, the hydrogen container detection device includes range can the cover entire hydrogen container surface and and ECU that takes pictures
The multiple probes being electrically connected, the probe are furnished with image pick-up card.
Preferably, the initiative exhaust relief line includes the first exhaust decompression that corresponding position is arranged on hydrogen container
The second exhaust pressure reducing valve of corresponding position, outlet and the explosion-proof row of the second exhaust pressure reducing valve is arranged on sealed chamber in valve
One end of tracheae connects;Another end opening of the explosion-proof exhausting pipe is towards the back upper place of car roof.
Preferably, the hydrogen container detection device includes the first probe being arranged in the end socket both sides of hydrogen container;It is described
Hydrogen container cylinder on the outside of setting second probe, third probe, described second probe face hydrogen container side setting, institute
It is angularly disposed with hydrogen container to state third probe;First probe, the second probe and third probe are all located on the outside of sealed chamber;Institute
It is the transparent outer cover that consistent and size is more than the hydrogen container with the shape of hydrogen container to state sealed chamber.
Preferably, the hydrogen container detection device includes the first probe being arranged in the end socket both sides of hydrogen container;It is described
Hydrogen container cylinder on the outside of setting second probe, third probe, described second probe face hydrogen container side setting, institute
It is angularly disposed with hydrogen container to state third probe;First probe, the second probe and third probe are all located on the inside of sealed chamber;Institute
It states the first probe, the second probe and third probe and is all equipped with LED light group.
Preferably, nitrogen charge valve is arranged in corresponding position on the sealed chamber, and corresponding positions install on the hydrogen container
Set hydrogen charge valve.
Preferably, the sealed chamber is divided into upper chamber, lower chamber, by carrying sealing ring between upper chamber, lower chamber
Flange plate bolt connection;The holder includes lower half circular arc support plate, the extrados of lower half circular arc support plate and lower chamber it is interior
Side contacts;One circle of lower half circular arc support plate and the detachable connection of the arc-shaped support plate of upper half and formation, the hydrogen storage
Tank is placed in the space that lower half circular arc support plate is surrounded with the arc-shaped support plate of upper half;The lower half circular arc support plate, upper half circular arc
The intrados setting groove in axial direction of shape support plate, the company of corresponding position setting in the size and hydrogen container of the groove
Key is connect to be adapted.
Preferably, at the end socket of the sealed chamber left and right ends each setting one along its axis direction, run through its side wall
Hollow rotating shaft;Double-inlet pipe, air gap pipes connection is respectively set in the inner cavity of two hollow rotating shafts;
One end of the double-inlet pipe inner tube passes through hollow rotating shaft and is connect with hydrogen charge valve, the other end and hydrogen
Air source connects;One end of the double-inlet pipe outer tube passes through and hollow rotating shaft and be connected to the inner cavity of sealed chamber, the other end and
Nitrogen charge valve connects;
One end of the air gap pipes inner tube is connect across hollow rotating shaft with first row air valve, the other end and second row
Gas pressure reducing valve connects;One end of the air gap pipes outer tube passes through hollow rotating shaft and is connected to the inner cavity of sealed chamber, another
End is connect with second exhaust pressure reducing valve.It is set as unidirectional gas flowing in this way, structure is more succinct, and maintenance overhaul is more convenient.
The beneficial effects of the utility model are:By the high definition photographing probe of hydrogen container detection device constantly to hydrogen container
Surface is taken pictures, and the local defect on hydrogen container surface is then detected by gray proces, pixel identification, threshold decision, will
The information of acquisition is transferred to ECU, controls the initiative exhaust relief line by ECU, realizes automatically by hydrogen in seal box
Discharge, safety, explosion-proof performance are good.
Description of the drawings
Fig. 1 is explosion-protection equipment structure front view described in embodiment one;
Fig. 2 is hydrogen container the structure left view;
Fig. 3 is the explosion-protection equipment full sectional view front view of embodiment two;
Fig. 4 is hydrogen container full sectional view front view;
Fig. 5 is enlarged view I in Fig. 4;
Fig. 6 is enlarged view II in Fig. 4;
Fig. 7 is explosion-protection equipment circuit theory schematic diagram.
Specific implementation mode
Embodiment one, such as Fig. 1~Fig. 3 and Fig. 7, shown in a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment, packet
Include can the sealed chamber 1 of built-in and fixed hydrogen container 2, the hydrogen container detection continuously taking pictures to hydrogen container 2 and carry out Image Acquisition fill
It sets 5, initiative exhaust relief line 4, be set to sealed chamber 1 is interior and is located at outside hydrogen container 2 hydrogen gas concentration sensor 61 and gas
Pressure sensor 62, the angular transducer 63 being arranged on sealed chamber 1;
The hydrogen gas concentration sensor 61, gas pressure sensor 62, angular transducer 63, first exhaust pressure reducing valve
41, second exhaust pressure reducing valve 42, hydrogen container detection device 5 are connect by explosion-proof communication bus with ECU64 respectively;ECU64 distinguishes
Alarm 66 is fired with explosion-proof electrical source 65, hydrogen, pressure alarm 67 is electrically connected.
Here 1 shape of sealed chamber can it is similar to 2 shape of hydrogen container can not also be similar, as long as hydrogen container 2 can be pacified
It is complete fixed.Ought to, the higher the better for probe resolution ratio here.Here hydrogen container detection device 5 is taken pictures by high definition
Probe constantly takes pictures to 2 surface of hydrogen container, then detects hydrogen container 2 by gray proces, pixel identification, threshold decision
The local defect on surface.
The hydrogen container detection device 5 is that range can cover 2 surface of entire hydrogen container and electrical with ECU64 including taking pictures
Multiple probes of connection, the probe are furnished with image pick-up card.
The image of probe shooting is converted to digital image and defeated by image pick-up card here after over-sampling, quantization
Enter, store into the frame memory of ECU64 and transfers to ECU64 processing.
The initiative exhaust relief line 4 includes the first exhaust pressure reducing valve 41 that the corresponding position on hydrogen container 2 is arranged, if
Set the second exhaust pressure reducing valve 42 of the corresponding position on sealed chamber 1, outlet and the explosion-proof row of the second exhaust pressure reducing valve 42
One end of tracheae 43 connects;Another end opening of the explosion-proof exhausting pipe 43 is towards the back upper place of car roof.
Over top after a large amount of pressure-reduced hydrogen gas are sent to automobile;The value that will transfinite mixed gas is actively discharged outside vehicle to automobile
Over top eliminates potential explosion or hidden danger of catching fire.Its specific benefits also resides in can be initiatively rapidly by mixed gas
It is discharged outside vehicle so that density of hydrogen is dropped rapidly to safety limit or less in sealed chamber 1.Its specific benefits is also resided in when automatically controlled
When initiative exhaust relief line 4 is closed, it can prevent the outer foreign matter of vehicle or toy from entering by delivery pipe airtight
In room 1.
It is equipped with automatically controlled first exhaust pressure reducing valve 41 and second exhaust pressure reducing valve 42.Its specific benefits is in provisioned tool
There is the security monitoring ECU64 of intelligent measurement program to detect hydrogen storage in real time according to the i.e. expert judgments program of the pre-set programs configured
When tank 2 or high-pressure hydrogen storage in the hole, sends out automatically controlled instruction control first exhaust pressure reducing valve 41 and second exhaust subtracts
Pressure valve 42 reduces rapidly hydrogen container 2 or high-pressure hydrogen storage internal pressure, is allowed to be restored to safe condition.Its specific benefits is also
It is repeatedly to recycle.This ECU64 carries out presetting safe threshold according to expert judgments program, and expert here sentences
Disconnected program is the program for having professional judgement to 2 deformation dimensional parameters of hydrogen container, and data prestore used in expert judgments program
In ECU64.
It is equipped with initiative exhaust relief line 4, specific benefits are when to send out automatically controlled instruction unpack automatically controlled by security monitoring ECU64
It discharges pressure reducing valve (first exhaust pressure reducing valve 41 and second exhaust pressure reducing valve 42) simultaneously, sends out the automatically controlled active of automatically controlled instruction unpack
Exhaust decompression pipeline 4 sends a large amount of pressure-reduced hydrogen gas to other than automobile.Or when security monitoring ECU64 receives density of hydrogen sensing
61 signal of device sends out the automatically controlled initiative exhaust of automatically controlled instruction unpack and subtracts when judging that density of hydrogen is beyond action limit value in sealed chamber 1
Pressure pipe road 4.
Here it is equipped with the explosion-proof data transmission bus of explosion-proof communication bus i.e. hydrogen.Its specific benefits is in explosive hydrogen
It is used under mixed combustible gas body environment when transmission rate is up to 500kbps, includes but not limited to connect because of data line all sites
Head, the end of a thread and data line bare metal core etc. use special anti-electric spark safeguard structure, not will produce spark etc. and influence hydrogen
The safety of oxygen mixture.
The hydrogen container detection device 5 includes the first probe 51 being arranged in the end socket both sides of hydrogen container 2;The storage
The second probe 52 of setting, third probe 53 on the outside of the cylinder of hydrogen tank 2, the side of the described second 52 face hydrogen containers 2 of probe are set
It sets, the third probe 53 is angularly disposed with hydrogen container 2;First probe, 51, second probe 52 and all positions of third probe 53
In 1 inside of sealed chamber;First probe, 51, second probe 52 and third probe 53 are all equipped with LED light group.Here first is visited
First 51, second probe 52 and third probe 53 ought to be relatively fixed with hydrogen container 2, make automobile vibration when it is all probe all can
It resonates with hydrogen container 2, holder can be used and be fixedly connected with all probes with hydrogen container 2, all probes can also be fixed on gas
On secret room 1.
Here first the 51, second probe 52 of probe and third probe 53 is all MV black-white CCD cameras, MV black-white CCD phases
The local effect that machine can not install lighting apparatus for insufficient light place and night is preferable, is used only for examining in the present embodiment
The variation of 2 geomery of hydrogen container is surveyed, it is low using MV black-white CCD camera information treating capacity ratio MV colorful CCD cameras, reduce ECU64
Information processing is born.First the 51, second probe 52 of probe and third probe 53 can all be equipped with LED light group, be equipped with as LED light
Cold light source, can be more safe and reliable when use.The axis of first probe 51 and hydrogen container 2 is arranged at an angle, here
It could be provided as 20-35 °.The axis of the third probe 53 and hydrogen container 2 is arranged at an angle, could be provided as here
80-55°。
ECU64 and hydrogen container detection device 5 are electrically connected, by vision-based detection by shape in 2 hydrogenation process of hydrogen container
Dynamic change and plus storage consistent high pressure hydrogen fuel after shape quasi-static change procedure in identify precarious position.Probe is captured
Image transmitting is broadly divided into image information acquisition, Image Information Processing and Mechatronic Systems to the process of ECU64 and executes testing result
Three parts need that parameter setting and adjustment can also be carried out in real time by man-machine interface according further to system.Image information
Acquisition process can be found when detected 2 geomery of hydrogen container changes by position sensor, be entered later next
Program, i.e. Image Information Processing.Image Information Processing process is that position sensor can send to ECU64 and " detect detected material
The electric impulse signal of body ", ECU64 is by calculating to obtain 2 geomery variation degree (presetting change in size before this of hydrogen container
Secure threshold, that is, preset value of degree or with established standards image) after enter next program, i.e. Mechatronic Systems executes detection
As a result.Mechatronic Systems executes testing result program, mainly according to the ECU64 data obtained and secure threshold or standard picture ratio
Compared with control initiative exhaust relief line 4, hydrogen fire alarm 66.
In this way in 2 hydrogenation process of hydrogen container the dynamic change of shape and plus storage consistent high pressure hydrogen fuel after shape quasi-static change
Precarious position is identified during changing;When environment temperature significantly alters in installation room, that is, sealed chamber 1 of hydrogen container 2,
The precarious position of 2 profile variation of hydrogen container is recognized accurately;In hydrogen container 2 and its FC automobiles installed by accidental mechanical energy
When stroke, the precarious position of hydrogen container 2 shape and change in size is recognized accurately.It is equipped with and 2 geomery of hydrogen container is changed
The hydrogen container detection device 5 incuded, specific benefits are using real-time vision Image Acquisition and the three-dimensional ruler of comprehensive progress
Very little measurement, 2 outer surface state measurement of hydrogen container, generation digital signal, and in the form of bus signals (including but not limited to CAN,
485 is serial, 232 serial, I2C, etc.) be transmitted to safe ECU64.
Nitrogen charge valve 44 is arranged in corresponding position on the sealed chamber 1, and hydrogen is arranged in corresponding position on the hydrogen container 2
Gas charge valve 45.Corresponding position may be configured as the both ends of the front and back setting of sealed chamber 1 on sealed chamber 1, can also be in sealed chamber 1
Both sides.Corresponding position may be configured as the both ends of the front and back setting of hydrogen container 2 on hydrogen container 2, can also in the both sides of hydrogen container 2,
Nitrogen charge valve 44 and hydrogen charge valve 45 are mainly arranged according to the installation position of initiative exhaust relief line 4.
The sealed chamber 1 divides for upper chamber 11, lower chamber 12, by carrying sealing between upper chamber 11, lower chamber 12
The flange plate bolt of circle connects;The holder 3 includes lower half circular arc support plate 31, the extrados of lower half circular arc support plate 31 and lower gas
The medial surface of room 12 contacts;One circle of lower half circular arc support plate 31 and the detachable connection of the arc-shaped support plate 32 of upper half and formation
Shape, the hydrogen container 2 are placed in the space that the arc-shaped support plate of lower half circular arc support plate 31 and upper half 32 surrounds;The lower half
The groove 33 of the intrados setting of the arc-shaped support plate of circular arc support plate 31, upper half 32 in axial direction, the size of the groove 33
It is adapted with the connecting key 21 that corresponding position on hydrogen container 2 is arranged.
At the end socket of 1 left and right ends of sealed chamber each setting one along its axis direction, through the hollow of its side wall
Shaft 22;Double-inlet pipe 25 is respectively set in the inner cavity of two hollow rotating shafts 22, air gap pipes 26 connect.It is described it is double-deck into
One end of 25 inner tube of tracheae passes through hollow rotating shaft 22 and is connect with hydrogen charge valve 45, and the other end is connect with hydrogen source gas 46;Institute
The one end for 25 outer tube of double-inlet pipe stated passes through hollow rotating shaft 22 and is connected to the inner cavity of sealed chamber 1, and the other end is filled with nitrogen
Air valve 44 connects;One end of 26 inner tube of air gap pipes is connect across hollow rotating shaft 22 with first row air valve 41, another
End is connect with second exhaust pressure reducing valve 42;One end of 26 outer tube of air gap pipes passes through hollow rotating shaft 22 and and sealed chamber
1 inner cavity connection, the other end are connect with second exhaust pressure reducing valve 42.
Embodiment two:In conjunction with Fig. 4~7, what is different from the first embodiment is that the hydrogen container detection device 5 includes setting
The first probe 51 in the end socket both sides of hydrogen container 2;The second probe 52 of setting, third are visited on the outside of the cylinder of the hydrogen container 2
First 53, the side of the described second 52 face hydrogen containers 2 of probe is arranged, and the third probe 53 is angularly disposed with hydrogen container 2;Institute
It states the first probe 51, second probe 52 and third probe 53 is all located at 1 outside of sealed chamber;The sealed chamber 1 be and hydrogen container 2
Shape is consistent and size is more than the transparent outer cover of the hydrogen container 2.In this way, 52 and of the first probe 51, second probe can be facilitated
The installation and maintenance of third probe 53.Here organic glass, polycarbonate plastic or handle may be used in the material of transparent outer cover
Tempered glass, oriented organo glass or polycarbonate plastic are soft and have sticking film and be clipped in the middle, manufactured multilayer
Composite transparent glass material.
Claims (8)
1. a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment, it is characterised in that:Including can built-in and fixed hydrogen container (2)
Sealed chamber (1), continuously take pictures to hydrogen container (2) and carry out the hydrogen container detection device (5) of Image Acquisition, initiative exhaust decompression
Pipeline (4) is set in sealed chamber (1) and is located at hydrogen gas concentration sensor (61) the gentle pressure sensing body of hydrogen container (2) outside
Device (62), the angular transducer (63) being arranged on sealed chamber (1);
The hydrogen gas concentration sensor (61), gas pressure sensor (62), angular transducer (63), first exhaust pressure reducing valve
(41), second exhaust pressure reducing valve (42), hydrogen container detection device (5) are connect by explosion-proof communication bus with ECU (64) respectively;
ECU (64) fires alarm (66) with explosion-proof electrical source (65), hydrogen respectively, pressure alarm (67) is electrically connected.
2. a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment according to claim 1, it is characterised in that:The storage
Hydrogen tank detection device (5) includes taking pictures that range can cover entire hydrogen container (2) surface and being electrically connected with ECU (64) more
A probe, the probe are furnished with image pick-up card.
3. a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment according to claim 1, it is characterised in that:The master
Dynamic exhaust decompression pipeline (4) includes the first exhaust pressure reducing valve (41) that corresponding position is arranged on hydrogen container (2), is arranged airtight
The second exhaust pressure reducing valve (42) of corresponding position on room (1), the outlet of the second exhaust pressure reducing valve (42) and anti-explosion exhaust
Manage one end connection of (43);Another end opening of the explosion-proof exhausting pipe (43) is towards the back upper place of car roof.
4. a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment according to claim 1, it is characterised in that:Described
Hydrogen container detection device (5) includes that setting pops one's head in (51) the first of the end socket both sides of hydrogen container (2);The hydrogen container (2)
Cylinder on the outside of setting second probe (52), third probe (53), described second probe (52) face hydrogen container (2) side
Setting, the third probe (53) and hydrogen container (2) are angularly disposed;First probe (51), the second probe (52) and third
(53) are popped one's head in all on the outside of sealed chamber (1);The sealed chamber (1) is more than for the consistent and size with the shape of hydrogen container (2) should
The transparent outer cover of hydrogen container (2).
5. a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment according to claim 1, it is characterised in that:Described
Hydrogen container detection device (5) includes that setting pops one's head in (51) the first of the end socket both sides of hydrogen container (2);The hydrogen container (2)
Cylinder on the outside of setting second probe (52), third probe (53), described second probe (52) face hydrogen container (2) side
Setting, the third probe (53) and hydrogen container (2) are angularly disposed;First probe (51), the second probe (52) and third
(53) are popped one's head in all on the inside of sealed chamber (1);First probe (51), the second probe (52) and third probe (53) are all equipped with
LED light group.
6. a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment according to claim 1, it is characterised in that:Described
Nitrogen charge valve (44) is arranged in corresponding position on sealed chamber (1), and hydrogen charge valve is arranged in corresponding position on the hydrogen container (2)
(45)。
7. a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment according to claim 1, it is characterised in that:Described
Sealed chamber (1) is divided into upper chamber (11), lower chamber (12), by with sealing ring between upper chamber (11), lower chamber (12)
Flange plate bolt connects;The holder (3) includes lower half circular arc support plate (31), and the extrados of lower half circular arc support plate (31) is under
The medial surface of gas chamber (12) contacts;Lower half circular arc support plate (31) and the detachable connection of the arc-shaped support plate of upper half (32) and formation
One circle, the hydrogen container (2) are placed on the space that lower half circular arc support plate (31) is surrounded with the arc-shaped support plate of upper half (32)
It is interior;The groove (33) of the intrados setting of the lower half circular arc support plate (31), the arc-shaped support plate of upper half (32) in axial direction,
The size of the groove (33) and the connecting key (21) of corresponding position setting on hydrogen container (2) are adapted.
8. a kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment according to claim 1, it is characterised in that:Described
Hollow rotating shaft (22) of each setting one along its axis direction, through its side wall at the end socket of sealed chamber (1) left and right ends;Two
Double-inlet pipe (25), air gap pipes (26) connection is respectively set in the inner cavity of hollow rotating shaft (22);
One end of described double-inlet pipe (25) inner tube passes through hollow rotating shaft (22) and is connect with hydrogen charge valve (45), another
End is connect with hydrogen source gas (46);One end of described double-inlet pipe (25) outer tube passes through hollow rotating shaft (22) and and sealed chamber
(1) inner cavity connection, the other end are connect with nitrogen charge valve (44);
One end of described air gap pipes (26) inner tube is connect across hollow rotating shaft (22) with first row air valve (41), the other end
It is connect with second exhaust pressure reducing valve (42);One end of described air gap pipes (26) outer tube pass through hollow rotating shaft (22) and with gas
The inner cavity of secret room (1) is connected to, and the other end is connect with second exhaust pressure reducing valve (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820443344.3U CN207999654U (en) | 2018-03-30 | 2018-03-30 | A kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820443344.3U CN207999654U (en) | 2018-03-30 | 2018-03-30 | A kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment |
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| CN207999654U true CN207999654U (en) | 2018-10-23 |
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|---|---|---|---|
| CN201820443344.3U Expired - Fee Related CN207999654U (en) | 2018-03-30 | 2018-03-30 | A kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561752A (en) * | 2018-03-30 | 2018-09-21 | 西华大学 | A kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment |
| CN111443023A (en) * | 2020-03-31 | 2020-07-24 | 重庆市特种设备检测研究院 | High-pressure container gas permeability testing device and testing method thereof |
-
2018
- 2018-03-30 CN CN201820443344.3U patent/CN207999654U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561752A (en) * | 2018-03-30 | 2018-09-21 | 西华大学 | A kind of FCEV system high pressures hydrogen storage fuel tank explosion-protection equipment |
| CN111443023A (en) * | 2020-03-31 | 2020-07-24 | 重庆市特种设备检测研究院 | High-pressure container gas permeability testing device and testing method thereof |
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