CN208937467U - A kind of detection device of hydrogen particle concentration - Google Patents
A kind of detection device of hydrogen particle concentration Download PDFInfo
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- CN208937467U CN208937467U CN201821574768.XU CN201821574768U CN208937467U CN 208937467 U CN208937467 U CN 208937467U CN 201821574768 U CN201821574768 U CN 201821574768U CN 208937467 U CN208937467 U CN 208937467U
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- hydrogen
- vacuum pump
- detection device
- particle concentration
- closed cabin
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Abstract
The utility model discloses a kind of detection devices of hydrogen particle concentration, gas tank is deposited including closed cabin, vacuum pump, hydrogen, the vacuum pump, hydrogen are deposited gas tank and are connected to closed cabin, particle sampler is equipped in the closed cabin, the particle sampler includes sampling head and weight measuring and calculating mechanism, is equipped with filter membrane in the sampling head.The testing principle of the utility model is simple and clear, and equipment is easily operated, and in entire test process, hydrogen is in sealing state, and nothing leaks, safety with higher and the feature of environmental protection.
Description
Technical field
The utility model relates to the particle concentration detection fields of gas, and in particular to the inspection of particle concentration in hydrogen
It surveys.
Background technique
Hydrogen is a kind of secondary energy sources of clean and effective.With increasingly severeer complete of the development and reply of Hydrogen Technology
Development Hydrogen Energy industry is all promoted to the height of national energy strategy by ball climate change, many developed countries.2016, China will
" Hydrogen Energy and fuel cell technology are innovated " incorporates " energy technology revolution innovates action plan (2016-2030) ", indicates me
Hydrogen Energy is also promoted to the height of national energy strategy by state.Currently, the hydrogen in China is mainly used for the synthesis of ammonia and methanol, and
The production of refinery product, about 3% hydrogen is as industrial gasses for controlling the industries such as gold, steel, electronics, building materials, fine chemistry industry
Also Primordial Qi, protection gas, reaction gas etc..
With the continuous breakthrough of hydrogen energy fuel battery technology, hydrogen energy fuel fuel cell vehicle had both had the continuous of conventional fuel oil vehicle
The feature that energy mileage is long, the filling time is short, and have the advantages that zero carbon emission, it has been increasingly becoming the big field of hydrogen applicable one.Hydrogen
Fuel of the gas as hydrogen energy fuel battery, the superiority and inferiority of quality can generate great shadow in performance to hydrogen energy fuel battery and service life
It rings." Proton Exchange Membrane Fuel Cells automobile fuel hydrogen " (T/CECA-G 0015-2017) of Chinese energy conservation association publication
Middle regulation, the largest particles object concentration are 1mg.It can be seen that the particle concentration of the hydrogen for hydrogen energy fuel battery car is extremely low,
And need to be tested using gravimetric method, when test it is required hydrogen usage it is larger.
Have the patent of the more detection method about particle concentration and its device at present, such as CN103245601A and
CN104132863A, but these detection methods and its device are only applicable to the particle analyte detection of atmosphere, and be not suitable for inflammable easy
The detection of gas explosion body.
Utility model content
Technical problem to be solved by the utility model is: the particle concentration in hydrogen can be detected by providing one kind
Equipment.
The solution that the utility model solves its technical problem is: a kind of detection device of hydrogen particle concentration, packet
It includes closed cabin, vacuum pump, hydrogen and deposits gas tank, the vacuum pump, hydrogen are deposited gas tank and is connected to closed cabin, set in the closed cabin
There is particle sampler, the particle sampler includes sampling head and weight measuring and calculating mechanism, is equipped with filter membrane in the sampling head.
As a further improvement of the above technical scheme, the closed cabin includes cabin and hatchcover, the hatchcover and cabin
The edge of active link, the hatchcover is equipped with sealing ring.
As a further improvement of the above technical scheme, weight measuring and calculating mechanism includes gas flowmeter.
As a further improvement of the above technical scheme, the filter membrane is ultra-fine fibre glass filter membrane.
As a further improvement of the above technical scheme, the vacuum pump is anti-explosion vacuum pump.
It as a further improvement of the above technical scheme, further include hydrogen recycling can, compressor, one end of the compressor
The other end that is connected with vacuum pump is connected with hydrogen recycling can.
As a further improvement of the above technical scheme, the closed cabin includes air inlet, exhaust outlet, bleeding point, described
There are two vacuum pumps, and two vacuum pumps are the first vacuum pump and the second vacuum pump, and first vacuum pump is connected with exhaust outlet, institute
It states the second vacuum pump to be connected with bleeding point, the particle sampler is set to the front of bleeding point, and the hydrogen deposits gas tank and air inlet
Mouth connection, the other end of second vacuum pump are connected with compressor.
As a further improvement of the above technical scheme, the periphery of the closed cabin is additionally provided with pressure gauge.
The beneficial effects of the utility model are: the testing principle of the utility model is simple and clear, equipment is easily operated,
In entire test process, hydrogen is in sealing state, and nothing leaks, safety with higher and the feature of environmental protection.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the invention is special
Sign, can be with combination of interactions under the premise of not conflicting conflict.
Referring to Fig.1, the utility model provides a kind of detection device of hydrogen particle concentration, including closed cabin again simultaneously
1, vacuum pump 2, hydrogen deposit gas tank 3, and the vacuum pump 2, hydrogen are deposited gas tank 3 and is connected to closed cabin 1, set in the closed cabin 1
There is particle sampler 4, the particle sampler 4 includes sampling head 41 and weight calculates mechanism, is equipped with filter in the sampling head
Film.
It is further used as preferred embodiment, the closed cabin 1 includes cabin 11 and hatchcover 12, the hatchcover 12 and cabin
The edge of 11 active link of body, the hatchcover 12 is equipped with sealing ring.By opening hatchcover, it can be convenient and adopt filter membrane and particle
Sample device is placed in cabin.
It is further used as preferred embodiment, weight measuring and calculating mechanism includes gas flowmeter.
It is further used as preferred embodiment, the filter membrane is ultra-fine fibre glass filter membrane.
It is further used as preferred embodiment, the vacuum pump 2 is anti-explosion vacuum pump.
It is further used as preferred embodiment, further includes hydrogen recycling can 5, compressor 6, one end of the compressor 6
The other end that is connected with vacuum pump 2 is connected with hydrogen recycling can 5.
It is further used as preferred embodiment, the closed cabin includes air inlet, exhaust outlet, bleeding point, the vacuum
There are two pumps 2, and two vacuum pumps are the first vacuum pump 21 and the second vacuum pump 22, first vacuum pump 21 and exhaust outlet phase
Even, second vacuum pump 22 is connected with bleeding point, and the particle sampler 4 is set to the front of bleeding point, and the hydrogen deposits gas
Tank is connected to air inlet, and the other end of second vacuum pump 22 is connected with compressor 6.
It is further used as preferred embodiment, the periphery of the closed cabin 1 is additionally provided with pressure gauge.
Specifically, connecting pipeline by Fig. 1 when operation, the air intake valve A of closed cabin deposits gas tank 3 with hydrogen and is connected,
Outlet valve C is connected with the air intake D of the first vacuum pump 21；The gas outlet F of particle sampler and the second vacuum pump enter gas
Mouth G is connected, and the gas outlet H of the second vacuum pump 22 is connected with the air intake M of hydrogen gas compressor 6, the gas outlet N of hydrogen gas compressor 6
It is connected with hydrogen recycling can 5；The sampling head 41 of particle sampler 4 is placed in closed cabin 1；Filter membrane is mounted in particle sampler
In sampling head.
Before detection, the inspiratory capacity of the flow of the second vacuum pump and hydrogen gas compressor is adjusted to equal.Blank filter membrane is carried out
The weight m of blank filter membrane is read in weighing0, closed cabin upper cover is then opened, filter membrane is placed in particle sampling head.It covers
The hatchcover of closed cabin closes the air intake valve A and deflation valve B of closed cabin, opens outlet valve C, opens the first vacuum pump, takes out
Air in closed cabin out, until vacuum pressure meter reading to " -0.1MPa ", is then shut off closed cabin outlet valve C and first
Vacuum pump；Closed cabin air intake valve A is opened, hydrogen air accumulator is slowly opened, hydrogen is discharged to closed cabin, until vacuum pressure
Power meter reading can balance the pressure difference in closed cabin by being filled with enough hydrogen for " 0MPa ", and can arranging
It is more acurrate when gas；Then hydrogen gas compressor, vacuum pump and particle sampler host are successively opened, particulate matter is carried out and contains
Measure examination.
After being completed, gas volume L is read in particle sampler, weighs up the total weight m of filter membrane and particulate matter1.?
Grain object content is calculated by formula (1):
m0--- blank filter membrane weight
m1--- filter membrane and particulate matter total weight
ρ --- it is hydrogen density.
The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of detection device of hydrogen particle concentration, it is characterised in that: deposit gas tank including closed cabin, vacuum pump, hydrogen, institute
State vacuum pump, hydrogen is deposited gas tank and is connected to closed cabin, in the closed cabin be equipped with particle sampler, the particle sampler packet
Sampling head and weight measuring and calculating mechanism are included, is equipped with filter membrane in the sampling head.
2. the detection device of hydrogen particle concentration according to claim 1, it is characterised in that: the closed cabin includes cabin
The edge of body and hatchcover, the hatchcover and cabin active link, the hatchcover is equipped with sealing ring.
3. the detection device of hydrogen particle concentration according to claim 1, it is characterised in that: the weight calculates mechanism
Including gas flowmeter.
4. the detection device of hydrogen particle concentration according to claim 1, it is characterised in that: the filter membrane is ultra-fine glass
Glass fibrous filter membrane.
5. the detection device of hydrogen particle concentration according to claim 1, it is characterised in that: the vacuum pump is explosion-proof
Vacuum pump.
6. the detection device of hydrogen particle concentration according to claim 1, it is characterised in that: further include hydrogen recycling
Tank, compressor, one end of compressor other end that is connected with vacuum pump are connected with hydrogen recycling can.
7. the detection device of hydrogen particle concentration according to claim 6, it is characterised in that: the closed cabin include into
Port, exhaust outlet, bleeding point, there are two the vacuum pumps, and two vacuum pumps are the first vacuum pump and the second vacuum pump, and described the
One vacuum pump is connected with exhaust outlet, and second vacuum pump is connected with bleeding point, before the particle sampler is set to bleeding point
Side, the hydrogen are deposited gas tank and are connected to air inlet, and the other end of second vacuum pump is connected with compressor.
8. the detection device of hydrogen particle concentration according to claim 1, it is characterised in that: the periphery of the closed cabin
It is additionally provided with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821574768.XU CN208937467U (en) | 2018-09-25 | 2018-09-25 | A kind of detection device of hydrogen particle concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821574768.XU CN208937467U (en) | 2018-09-25 | 2018-09-25 | A kind of detection device of hydrogen particle concentration |
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| Publication Number | Publication Date |
|---|---|
| CN208937467U true CN208937467U (en) | 2019-06-04 |
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ID=66722489
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821574768.XU Active CN208937467U (en) | 2018-09-25 | 2018-09-25 | A kind of detection device of hydrogen particle concentration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459336A (en) * | 2018-09-25 | 2019-03-12 | 佛山科学技术学院 | A kind of detection method and device of hydrogen particle concentration |
-
2018
- 2018-09-25 CN CN201821574768.XU patent/CN208937467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459336A (en) * | 2018-09-25 | 2019-03-12 | 佛山科学技术学院 | A kind of detection method and device of hydrogen particle concentration |
| CN109459336B (en) * | 2018-09-25 | 2024-04-30 | 佛山科学技术学院 | Method and device for detecting concentration of hydrogen particles |
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