CN207393591U - A kind of fuel battery engine system adjustable aperture and nozzle away from injector - Google Patents
A kind of fuel battery engine system adjustable aperture and nozzle away from injector Download PDFInfo
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- CN207393591U CN207393591U CN201721420989.7U CN201721420989U CN207393591U CN 207393591 U CN207393591 U CN 207393591U CN 201721420989 U CN201721420989 U CN 201721420989U CN 207393591 U CN207393591 U CN 207393591U
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- nozzle
- injector
- cavity
- screw
- engine system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model is related to a kind of fuel battery engine system adjustable aperture and nozzle away from injector, including miniature low-speed motor, ball-screw, leading screw matching nut, nozzle, cavity；The slowspeed machine is connected with ball-screw, and leading screw matching nut screws assembling with ball-screw, and leading screw matching nut is fixedly connected with nozzle；Nozzle is stretched into cavity, and the sealing structure in relative movement is formed between cavity.The utility model is simple in structure, small volume, light-weight, easy for installation, for ease of maintenaince；Nozzle diameter size can be adjusted for gas with various demand；Nozzle can be adjusted away from the nozzle distance for reaching optimum reflux ratio under the gas pressure according to different operating modes.
Description
Technical field
The utility model is related to a kind of injector, specifically, be a kind of fuel battery engine system adjustable aperture and
Nozzle away from injector, can be used for automobile, the PEM fuel cell engine system on steamer, belong to fuel cell
Technical field of engines.
Background technology
Engine Industry is a mainstay industry for being related to national economy, as China's expanding economy and people are given birth to
The flat raising of running water, Engine Industry are developed rapidly in China, but are also brought greatly to the resource environment in China simultaneously
Pressure makes the petroleum import amount in China hit new peak repeatly, and in order to solve problem of environmental pollution and resource pressure, country encourages to send out energetically
Electronic new energy engine is opened up, traditional genemotor, need to be by the chemistry in fuel using fuel cell as engine power source
Thermal energy can be first converted into, then reconvert is used into electric energy for genemotor, there is a kind of advanced proton exchange membrane combustion at present
Expect engine system, the chemical energy in fuel is directly changed into electric energy by it by electrochemical reaction, improves energy conversion effect
Rate reduces pollutant emission.In the pile of pem fuel engine, for proton exchange membrane is made to obtain macroion conduction
Property, it is necessary to be humidified to it before reactant gas enters fuel cell.Contain liquid in remaining gas after pile reaction
State water, the gas injection after pile is reacted using the gas of injector front end high speed injection can be given into pile into combustion
Expect the gas humidification before battery, and can will react remaining Gas recovery, improve the utilization rate of fuel.
In existing fuel cell system, this kind of gas-recycling plant can be all installed, the liquid that reactant gas is humidified
Cathode reaction of the water from PEM fuel cell engine pile will react remaining gas circulation to inlet end.Mesh
It is preceding it is most commonly used be circulating pump, this kind pump is active booster-type, complicated, of high cost, it is also necessary to consume energy, safeguard not side
Just.The nozzle diameter and nozzle of traditional injector are away from being fixed, it is impossible to adjust, and nozzle diameter directly affects gas stream
Amount, nozzle is away from being also different to ejector capacity under different operating modes, and changeless nozzle is not away from ensuring that in different gas
Optimal ejector capacity is under body pressure.
Utility model content
The purpose of this utility model is to provide a kind of PEM fuel cell engine system on automobile, steamer
Injector, it is simple in structure, small volume, easy for installation, without energy consumption, and nozzle away from and nozzle diameter can be according to not
It is controlled to adjust with operating mode and gas flow requirement.
The utility model takes following technical scheme：
A kind of fuel battery engine system adjustable aperture and nozzle away from injector, including miniature low-speed motor, ball
Leading screw, leading screw matching nut, nozzle, cavity；The slowspeed machine is connected with ball-screw, leading screw matching nut and ball-screw
Assembling is screwed, leading screw matching nut is fixedly connected with nozzle 6；Nozzle is stretched into cavity, and with cavity entrance and cavity it
Between formed relative movement in sealing structure.
Reactant gas is sprayed from injector entrance by nozzle at high speeds, is drawn the gas of refluxing aqueous again using negative pressure
It is emitted back towards pile.
Further, the cavity entrance is equipped with detachable end, is sealed between nozzle and end cap using sealing ring,
It is bolted between end cap and cavity.
Further, nozzle exit is equipped with variable aperture grating.
Further, 7 top of variable aperture grating has adjusting screw rod, is adjusted by rotary top screw rod to realize
Save nozzle diameter size.
Further, the ball-screw is mutually parallel with nozzle.
The beneficial effects of the utility model are：
1) simple in structure, small volume is light-weight, easy for installation, for ease of maintenaince；
2) nozzle diameter size can be adjusted for gas with various demand；
3) nozzle can be adjusted away from the nozzle distance for reaching optimum reflux ratio under the gas pressure according to different operating modes.
Description of the drawings
Attached drawing 1 is the utility model structure diagram.
Attached drawing 2 is utility model works view.
Attached drawing 3 is progressive formation schematic diagram when variable aperture grating is closed.
In figure, 1. slowspeed machines, 2. ball-screws, 3. leading screw matching nuts, 4. sealing rings, 5. end caps, 6. nozzles, 7. can
Become aperture grating, 8. cavitys.
Specific embodiment
The utility model is further illustrated in the following with reference to the drawings and specific embodiments.
As shown in figure 1 and 2, a kind of fuel battery engine system adjustable aperture and nozzle away from injector, it includes
Miniature low-speed motor 1, ball-screw 2, miniature low-speed motor 1 connect ball-screw 2, the nut seat of leading screw matching nut 3 and spray
6 structure of mouth is fixedly connected, and is sealed, is bolted between end cap 5 and cavity 8, nozzle using sealing ring 4 between nozzle 6 and end cap 5
6 exits are equipped with variable aperture grating 7.The utility model is simple in structure, and without energy consumption, reliability is high, small volume, installation side
Just, it is easy to maintain, nozzle diameter can be adjusted and meet traffic requirement, nozzle distance can also be adjusted to meet different operating modes most
Good reflux ratio.
The miniature low-speed motor 1 is used as driving element, leading screw 2 is driven to rotate, nut 3 is pressed with the rotational angle of screw 2
Change into linear motion according to the helical pitch of corresponding specification, so as to drive nozzle 6 movement realize nozzle away from adjusting.
Referring to Fig. 1 and 3, equipped with variable aperture grating 7 at the nozzle 6, spray is adjusted to realize by rotary top screw rod
Mouth caliber size.
The operation principle process of the utility model is before the injector is connected to fuel battery engine system pile, is being returned
After head piece is connected on pile, by reaction under high pressure gas, by jet hole, injection forms negative pressure at a high speed, by the residual gas after reaction
Again injection telegram in reply heap entrance changes the bore of injector nozzle 6 by adjusting variable aperture grating 7, so as to control reaction
The flow of gas；Using micromachine 1 ball-screw 2 is driven to rotate, leading screw attaching nut 3 realizes linear motion, nut 3 and spray
Mouth is fixedly connected, so as to fulfill nozzle away from adjusting, to ensure that injector is in optimal injection energy under gas with various pressure
Power.
The above are the preferred embodiment of the utility model, those of ordinary skill in the art can also carry out respectively on this basis
Kind conversion improves, and on the premise of the total design of the utility model is not departed from, these conversion or improvement should all belong to this reality
Within the scope of new be claimed.
Claims (5)
1. a kind of fuel battery engine system adjustable aperture and nozzle away from injector, it is characterised in that：
Including miniature low-speed motor (1), ball-screw (2), leading screw matching nut (3), nozzle (6), cavity (8)；
The slowspeed machine (1) is connected with ball-screw (2), and leading screw matching nut (3) screws assembling, silk with ball-screw (2)
Thick stick matching nut (3) is fixedly connected with nozzle (6)；
Nozzle (6) is stretched into cavity (8), and with forming the sealing knot in relative movement between cavity entrance and cavity (8)
Structure.
2. fuel battery engine system adjustable aperture as described in claim 1 and nozzle away from injector, it is characterised in that：
The cavity entrance is equipped with detachable end (5), is sealed between nozzle (6) and end cap (5) using sealing ring (4), end cap
(5) it is bolted between cavity (8).
3. fuel battery engine system adjustable aperture as described in claim 1 and nozzle away from injector, it is characterised in that：
Nozzle (6) exit is equipped with variable aperture grating (7).
4. fuel battery engine system adjustable aperture as claimed in claim 3 and nozzle away from injector, it is characterised in that：
At the top of the variable aperture grating (7) there is adjusting screw rod, nozzle diameter size is adjusted to realize by rotary top screw rod.
5. fuel battery engine system adjustable aperture as described in claim 1 and nozzle away from injector, it is characterised in that：
The ball-screw (2) is mutually parallel with nozzle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420989.7U CN207393591U (en) | 2017-10-30 | 2017-10-30 | A kind of fuel battery engine system adjustable aperture and nozzle away from injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420989.7U CN207393591U (en) | 2017-10-30 | 2017-10-30 | A kind of fuel battery engine system adjustable aperture and nozzle away from injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393591U true CN207393591U (en) | 2018-05-22 |
Family
ID=62327515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721420989.7U Active CN207393591U (en) | 2017-10-30 | 2017-10-30 | A kind of fuel battery engine system adjustable aperture and nozzle away from injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393591U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725494A (en) * | 2017-10-30 | 2018-02-23 | 上海新源动力有限公司 | A kind of fuel battery engine system adjustable aperture and nozzle away from injector |
| CN109237953A (en) * | 2018-07-23 | 2019-01-18 | 林建新 | A kind of nozzle and its injection compress control method |
| CN112483478A (en) * | 2020-11-13 | 2021-03-12 | 西安航天动力试验技术研究所 | Medium jet pressurizing supply device and manufacturing method |
| CN114160325A (en) * | 2021-10-28 | 2022-03-11 | 山东大学 | Ejector adaptive to variable working condition adjustment |
| WO2022183323A1 (en) * | 2021-03-01 | 2022-09-09 | Schaeffler Technologies AG & Co. KG | Ejector for fuel cell and fuel cell |
-
2017
- 2017-10-30 CN CN201721420989.7U patent/CN207393591U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725494A (en) * | 2017-10-30 | 2018-02-23 | 上海新源动力有限公司 | A kind of fuel battery engine system adjustable aperture and nozzle away from injector |
| CN109237953A (en) * | 2018-07-23 | 2019-01-18 | 林建新 | A kind of nozzle and its injection compress control method |
| CN112483478A (en) * | 2020-11-13 | 2021-03-12 | 西安航天动力试验技术研究所 | Medium jet pressurizing supply device and manufacturing method |
| WO2022183323A1 (en) * | 2021-03-01 | 2022-09-09 | Schaeffler Technologies AG & Co. KG | Ejector for fuel cell and fuel cell |
| CN114160325A (en) * | 2021-10-28 | 2022-03-11 | 山东大学 | Ejector adaptive to variable working condition adjustment |
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