CN203584625U - Automobile carbon tank device - Google Patents
Automobile carbon tank device Download PDFInfo
- Publication number
- CN203584625U CN203584625U CN201320802095.XU CN201320802095U CN203584625U CN 203584625 U CN203584625 U CN 203584625U CN 201320802095 U CN201320802095 U CN 201320802095U CN 203584625 U CN203584625 U CN 203584625U
- Authority
- CN
- China
- Prior art keywords
- canister
- carbon tank
- carbon
- atmosphere
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 title abstract description 19
- 239000003463 adsorbent Substances 0.000 claims description 23
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 241001466460 Alveolata Species 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 24
- 231100000719 pollutant Toxicity 0.000 abstract description 24
- 238000003795 desorption Methods 0.000 abstract description 16
- 238000010521 absorption reaction Methods 0.000 abstract 7
- 238000009834 vaporization Methods 0.000 description 10
- 230000008016 vaporization Effects 0.000 description 10
- 239000003502 gasoline Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Abstract
The utility model provides an automobile carbon tank device which comprises a carbon tank. A carbon tank through atmosphere hole is formed in the tank carbon, and an additional absorption device is in serial connection with the carbon tank through atmosphere hole through a connecting hose. The additional absorption device is an active carbon absorption device and comprises a shell and honeycomb activated carbon arranged in the shell. The shell is provided with an absorption opening connected with the carbon tank through atmosphere hole and a through atmosphere hole communicated with the atmosphere. Under the condition of a complete automobile test, evaporative pollutants enter the carbon tank from the carbon tank absorption opening, under the condition that the carbon tank is not punctured, most of the evaporative pollutants are absorbed by the carbon tank, few evaporative pollutants are discharged through the carbon tank through atmosphere hole, the evaporative pollutants which enter the additional absorption device and then are discharged through the additional absorption device are greatly improved compared with the original evaporative pollutants in the carbon tank, and under the condition that carbon tank desorption volumes are the same, the discharge value of the entire automobile evaporative pollutants is reduced when the structure is used.
Description
Technical field
The utility model relates to automotive carbon canister structure.
Background technique
For meeting discharge vaporization laws and regulations requirement, current gasoline-fueled light-duty vehicle is all equipped with canister, for controlling the discharge of car load evaporative pollutants, makes its satisfy regulatory requirement.When carrying out the test of car load discharge vaporization, canister is not in the situation that puncturing, can absorb most of gasoline vapor being produced by fuel tank, but because petrol molecule diffusivity still has part fuel-steam, from canister atmosphere entry, discharge, in whole process of the test, approximately have 0.2g gasoline vapor to discharge from canister atmosphere entry.
Chinese patent literature: 201020613601 disclose a kind of petrol engine canister device, it is adjusted canister desorption volume and reaches the requirement that reduces discharge vaporization by increase a gasoline vapor detection device at canister atmosphere entry place.But the method can not prevent that the gasoline vapor of low concentration from discharging from canister atmosphere entry when car load discharge vaporization is tested.
Chinese patent literature: 201020062561 disclosed multifunctional household sedan-chair Vehicular carbon tank assemblies, at the canister atmosphere entry dust guard of having connected, can not reduce equally gasoline vapor and discharge from canister atmosphere entry.
The current Chinese state V stage requires car load evaporative pollutants emission request to be less than 2g/ test cycle, has evaporative pollutants to discharge the situation that exceeds standard when carrying out car load evaporative pollutants emission test, affects car load certification work.
For reducing pollution of atmosphere, national legislation is more and more stricter to car load evaporative pollutants emission request, may put into effect from now on more strict car load evaporative pollutants emission request.To canister ability to work, canister atmosphere entry gasoline discharge vaporization amount has is more strict with.
The new technology of carrying out gradually is at present as Technology of Hybrid Electric Vehicle, and in engine cylinder, direct injection technology all can reduce canister desorption time, desorption volume.In the identical situation of carbon tank structure, desorption volume is less, and car load evaporative pollutants discharge amount is larger.
Summary of the invention
The utility model proposes a kind of automotive carbon canister device, the problem solving is, when car load evaporative pollutants emission test, by reducing canister atmosphere entry place evaporative pollutants discharge amount, thereby when car load evaporative pollutants emission test, more easily meet the requirement that is less than 2g/ test cycle.
For solving the problems of the technologies described above, the utility model is taked following technological scheme;
A kind of automobile canister device, comprises canister, has canister atmosphere entry on canister; It is characterized in that, at canister atmosphere entry place by the connecting hose additional adsorbent equipment of connecting.
Described additional adsorbent equipment is absorbent charcoal adsorber, comprises housing and is contained in the Alveolate activated carbon capable in shell, and the adsorption port being connected with canister atmosphere entry and the atmosphere entry communicating with atmosphere are set respectively on housing.
Under car load discharge vaporization test conditions, the gasoline vapor discharging by canister atmosphere entry is about 200mg at present.The utility model is by connecting an extra gasoline adsorption device at canister atmosphere entry, thus the evaporative pollutants that effectively minimizing is discharged from canister atmosphere entry.
Compared with prior art, the utility model automobile canister structure has following advantages;
This structure connects an additional adsorbent equipment at canister atmosphere entry, under complete vehicle test condition, evaporative pollutants enters canister from canister adsorption port, at canister, not puncturing most evaporative pollutantses in situation is absorbed by canister, a small amount of evaporative pollutants is discharged by canister atmosphere entry, enter additional adsorbent equipment, then be less than 50mg by the evaporative pollutants of additional adsorbent equipment discharge.More former canister has larger lifting, can improve car load discharge vaporization passing probability, has effect more significantly when implementing more strict car load discharge vaporization.Meanwhile, in identical canister desorption volume situation, by adopting this structure, reduce car load evaporative pollutants discharge amount.
Accompanying drawing explanation
Fig. 1 is canister apparatus structure of the present utility model
Fig. 2 is canister device working principle of the present utility model
Fig. 3 is annex adsorbent equipment structure of the present utility model.
In figure, 1 canister, 1-1 is canister atmosphere entry, and 1-2 is canister desorption mouth, and 1-3 is canister adsorption port, the 2nd, connecting hose, the 3rd, additional adsorbent equipment, 3-1 is additional adsorbent equipment adsorption port, 3-2 is additional adsorbent equipment atmosphere entry, 3-3 is Alveolate activated carbon capable, the 4th, and canister and annex adsorbent equipment connection bracket.
embodiment:
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Referring to Fig. 1, canister device of the present utility model is that existing canister 1 basis is upper, and at canister atmosphere entry 1-1 place, by the connecting hose 2 additional adsorbent equipment 3 of connecting, this additional adsorbent equipment is fixed by support 4 and canister 1.
When car load discharge vaporization is tested, canister desorption mouth 1-2 is connected with motor desorption pipe by pipeline, and because motor is not worked, canister desorption mouth is in closed condition.Canister adsorption port 1-3 is connected with fuel-steam pipe, and the fuel-steam that fuel tank produces enters canister 1 by canister adsorption port 1-3.Canister does not puncture in situation, canister still has part fuel-steam molecule to overflow by canister atmosphere entry 1-1 in adsorptive process, by connecting hose 2, enter additional adsorbent equipment 3, the fuel-steam molecule that the fuel-steam molecule of discharging from the atmosphere entry 3-2 of additional adsorbent equipment is discharged from canister atmosphere entry 1-1 obviously reduces.
When canister desorption is carried out in the test of car load discharge vaporization, the vacuum producing by motor, desorption air enters additional adsorbent equipment 3 from additional adsorbent equipment atmosphere entry 3-2, by connecting hose 2, is entering canister 1, finally by canister desorption mouth 1-2, enters motor.This process is carried out desorption to canister 1 and additional adsorbent equipment 3.
For increasing effective adsorptivity and the desorption of additional adsorbent equipment, in the shell of additional adsorbent equipment 3, Alveolate activated carbon capable 3-3 is generally housed.The general cylindrical structural shell that adopts of additional adsorbent equipment 3, diameter D, length L can be given according to canister evaporative pollutants emission test.Diameter D, the larger canister evaporative pollutants of length L discharge amount are less, reach the desorption volume that identical evaporative pollutants discharge amount canister needs less.
Claims (3)
1. an automobile canister device, comprises canister, has canister atmosphere entry on canister; It is characterized in that, at canister atmosphere entry place by the connecting hose additional adsorbent equipment of connecting.
2. automobile canister device according to claim 2, it is characterized in that, described additional adsorbent equipment is absorbent charcoal adsorber, comprise housing and be contained in the Alveolate activated carbon capable in shell, the adsorption port being connected with canister atmosphere entry is set respectively on housing, and the atmosphere entry communicating with atmosphere.
3. automobile canister device according to claim 2, is characterized in that, described additional adsorbent equipment is fixed by support and canister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802095.XU CN203584625U (en) | 2013-12-09 | 2013-12-09 | Automobile carbon tank device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802095.XU CN203584625U (en) | 2013-12-09 | 2013-12-09 | Automobile carbon tank device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584625U true CN203584625U (en) | 2014-05-07 |
Family
ID=50582558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320802095.XU Expired - Lifetime CN203584625U (en) | 2013-12-09 | 2013-12-09 | Automobile carbon tank device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203584625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329190A (en) * | 2014-10-31 | 2015-02-04 | 力帆实业(集团)股份有限公司 | Automobile carbon tank structure |
| CN104533668A (en) * | 2014-10-31 | 2015-04-22 | 力帆实业(集团)股份有限公司 | Carbon tank mounting structure and automobile carbon tank with same |
-
2013
- 2013-12-09 CN CN201320802095.XU patent/CN203584625U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329190A (en) * | 2014-10-31 | 2015-02-04 | 力帆实业(集团)股份有限公司 | Automobile carbon tank structure |
| CN104533668A (en) * | 2014-10-31 | 2015-04-22 | 力帆实业(集团)股份有限公司 | Carbon tank mounting structure and automobile carbon tank with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |