CN109932270A - A kind of canister adsorptivity testing equipment - Google Patents
A kind of canister adsorptivity testing equipment Download PDFInfo
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- CN109932270A CN109932270A CN201910253526.3A CN201910253526A CN109932270A CN 109932270 A CN109932270 A CN 109932270A CN 201910253526 A CN201910253526 A CN 201910253526A CN 109932270 A CN109932270 A CN 109932270A
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- canister
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- adsorptivity
- condensing bulb
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Abstract
The present invention relates to a kind of canister adsorptivity testing equipments, belong to the technical field of test equipment, its key points of the technical solution are that a kind of canister adsorptivity test, including chamber, fuel tank is provided in the chamber, condensing bulb, electronic balance and test canister, test canister is located on electronic balance, testing canister includes atmospheric air port, adsorption orifice and desorption mouth, fuel tank and adsorption orifice are communicated with adsorption tube, condensing bulb and desorption mouth are communicated with desorption pipe, exhaust tube is communicated on condensing bulb, exhaust tube is communicated with aspiration pump far from one end of condensing bulb, atmospheric air port is communicated with detection device, achieve the effect that oil liquid wastes during reducing test.
Description
Technical field
The present invention relates to the technical field of test equipment more particularly to a kind of canister adsorptivity testing equipments.
Background technique
In automotive field, canister is necessary accessory, and the substance in automobile canister is activated carbon, for absorbing into canister
Oil vapour in petrol molecule, prevent it from entering atmosphere, and another outlet on canister through vacuum hose and engine into
Gas manifold communicates, and for passing air through canister in desorption, sends the petrol molecule evaporated again back to engine combustion, canister
Interior activated carbon then restores adsorption capacity with the completion of desorption process.Since canister is needed by air, band petrol molecule
The gases such as oil vapour can be discharged in atmosphere if the adsorptivity of canister is not up to standard from the oil vapour adsorbed in fuel tank, cause to discharge
It is not up to standard, pollute environment, it is therefore desirable to test its adsorptivity, can just come into operation after test is up to standard.
Existing to can refer to the Chinese patent that Authorization Notice No. is CN105781696B, it discloses a kind of examinations of automobile canister
Experiment device, the first solenoid valve being connected to including the adsorption orifice with canister, the first threeway being connected to canister desorption mouth and and carbon
Second threeway of tank atmospheric air port connection is entered oil vapour by the first solenoid valve when carrying out adsorptivity test from adsorption orifice
Canister.
Prior art among the above has the following deficiencies: above-mentioned canister adsorptivity test when carrying out, and oil vapour holds
Condensation occurs easily in pipeline and forms oil liquid, and condensed oil vapour cannot be collected effectively, so as to cause oil liquid waste.
Summary of the invention
The purpose of the present invention is to provide the canister adsorptivity testing equipments that oil liquid during a kind of reduction test wastes.
Technical purpose of the invention has the technical scheme that
A kind of test of canister adsorptivity, including chamber, be provided in the chamber fuel tank, condensing bulb, electronic balance and
Test canister, test canister are located on electronic balance, and test canister includes atmospheric air port, adsorption orifice and desorption mouth, fuel tank and suction
Attached mouth is communicated with adsorption tube, and condensing bulb and desorption mouth are communicated with desorption pipe, exhaust tube are communicated on condensing bulb, exhaust tube is far from cold
One end of solidifying bottle is communicated with aspiration pump, and atmospheric air port is communicated with detection device.
Through the above technical solutions, test canister is placed on electronic balance at any time to examination when carrying out adsorptivity test
It tests canister and carries out load-bearing record, aspiration pump intermittence is evacuated the simulation quality for improving test with simulated automotive engine, fuel tank
The oil vapour of interior volatilization is entered in test canister by adsorption tube, and the carbon dust tested in canister adsorbs oil vapour, is evacuated
Pump by oil vapour from desorption pipe be pumped into condensing bulb in, then again along exhaust tube be discharged, oil vapour enter condensing bulb in and
In exhaust tube, condensation can all occur to a certain extent and form oil liquid, oil liquid is due to that can be dropped in condensation under self gravitation effect
It is collected in bottle, so that the oil vapour oil content of discharge is reduced, to reduce the waste of oil liquid.Detection device can be with
Using gasoline concentration detector, to detect the hydrocarbon content being discharged from atmospheric air port, and then carried out with the amount of will test and national standard
Detection, judges whether the absorption property of canister meets the requirements.
The present invention is further arranged to: the exhaust tube is connected to the top of condensing bulb, the inner wall of aspiration pump and chamber
Top that is affixed and being located at condensing bulb.
Through the above technical solutions, the oil gas for entering condensing bulb is pumped into exhaust tube from the top of condensing bulb by aspiration pump, and
Since exhaust tube is on the top of condensing bulb, the oil liquid condensed in exhaust tube can be under self gravitation effect preferably
It drops in condensing bulb, further improves the collecting effect of oil liquid, reduce oil liquid waste.
The present invention is further arranged to: horizontal partition is fixedly installed in the chamber, partition will be inside chamber
It is divided into upper layer and lower layer, fuel tank is located at the bottom of chamber, and electronic balance and condensing bulb are placed in the upper surface of partition.
Through the above technical solutions, chamber is divided into upper layer and lower layer by partition, the space utilization inside chamber is improved
Fuel tank is put in chamber bottom by rate, so that the oil liquid entered in test canister is the oil vapour of volatilization, prevents oil liquid direct
It enters in test canister, improves the accuracy that test carries out.And electronic balance and condenser are located at partition upper surface, so that
Operator need not bend over to operate in operation, improve operation ease.
The present invention is further arranged to: the upper surface of the partition is fixedly installed the fixing sleeve of annular, and condensing bulb is placed
In in fixing sleeve and the inner wall of the outer circumference surface of condensing bulb and fixing sleeve contacts.
Through the above technical solutions, condensing bulb is fixed in fixing sleeve, and the outer circumference surface of condensing bulb and fixing sleeve is interior
Wall abuts, and reduces the shaking of condensing bulb, to improve the stability during test.
The present invention is further arranged to: the bottom of the chamber is placed with returnable bottle, connects between returnable bottle and condensing bulb
It is connected with recovery tube, and recovery tube is connected to the bottom end of condensing bulb, is connected to the top of returnable bottle.
Through the above technical solutions, the oil liquid in instillation condensing bulb is along recovery tube, continuation is dropped in returnable bottle downwards,
Convenient for the recycling of oil liquid, and returnable bottle is placed in chamber bottom oil liquid can be improved and enter returnable bottle from condensing bulb
Smoothness.
The present invention is further arranged to: the bottom of the chamber is fixedly installed erecting bed, and fuel tank is fixed on erecting bed
On, chamber bottom is additionally provided with heating component, and heating component includes heater box and circulating pump, and heater box is fixed on erecting bed
On, added with heater strip is provided in heating liquid and heater box in heater box, the box house of fuel tank offers cyclic water channel,
Heater box, circulating pump and cyclic water channel form unobstructed closed cycle by circulating water pipe.
Through the above technical solutions, during the test, heater strip is connected to power supply first, heater strip is in heater box
Liquid is heated, and keeps heating temperature in 40 degrees centigrades, the operating temperature of the heating temperature and fuel tank close to, thus
The accuracy of test is improved, recycles pump startup after heating, the liquid after heating is pumped into cyclic water channel and liquid is following
It keeps circulating in ring water channel and heater box, it is ensured that the heating uniformity of fuel tank, the oil vapour after heating is along absorption
Pipe enters in test canister from adsorption orifice, on the one hand the setting of heating component improves the flowing smoothness of oil vapour, another party
Face paste closes actual use situation, improves the accuracy of test.
The present invention is further arranged to: multiple bolts are threaded between the erecting bed and chamber bottom.
Through the above technical solutions, bolt, which is backed out, can disassemble erecting bed from chamber bottom, thus to oil
Case and heater box can be conveniently overhauled.
The present invention is further arranged to: a movable pulley is respectively rotatably connected at the bottom four corners position of the chamber.
It is tried through the above technical solutions, chamber with fast and stable can be moved to designated position by movable pulley
It tests, reduces place to the restriction effect of test.
The present invention is further arranged to: two fan door closes is hinged on the same side vertical plane of the chamber, two fans close
Door is closed up and down to positive setting and using partition as cut-off rule.
Through the above technical solutions, door close is in close state during the test, to prevent external environment to examination
The interference of result is tested, and two fan door closes are set, can individually open the confirmation or right that a wherein fan carries out test result
Fuel tank, heater box are overhauled, to improve convenience.
The present invention is further arranged to: observation glass is provided on the door close.
Through the above technical solutions, during the test, door close is in close state, it can be by observation glass at any time
The inner case of chamber is observed, to guarantee to progress all-the-way tracking during test and monitoring.
In conclusion advantageous effects of the invention are as follows:
1, the condensing bulb that mouth is connected to is desorbed with test canister by being arranged, and the aspiration pump being connected to condensing bulb is set, so that cold
The oil liquid for being condensed into liquid can be carried out recycling collection while simulated engine by solidifying bottle, reduce oil liquid waste；
2, by the way that the returnable bottle being connected to condensing bulb is arranged in the interior bottom of chamber, the receipts of condensed oil liquid are further increased
Collect effect；
3, make the service condition closing to reality of fuel tank by the way that heating component is arranged, and the volatilization of oil vapour is smooth.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of associated components on partition and partition.
Appended drawing reference: 1, chamber；11, door close；111, glass is observed；12, movable pulley；2, partition；21, electronics day
It is flat；22, fixing sleeve；23, condensing bulb；231, exhaust tube；232, recovery tube；233, aspiration pump；3, canister is tested；31, atmospheric air port；
311, air pipe；312, detection device；32, adsorption orifice；321, adsorption tube；33, mouth is desorbed；331, desorption pipe；4, erecting bed；
41, bolt；5, fuel tank；51, circulating water pipe；6, heating component；61, heater box；62, circulating pump；7, returnable bottle.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of canister adsorptivity testing equipment is fixedly installed level in chamber 1 as shown in Figure 1, including chamber 1
Partition 2, chamber 1 is divided to the space separated for upper and lower two by partition 2, and electronic balance 21 and cold is provided with above partition 2
Solidifying bottle 23, the interior bottom position of chamber 1 is placed with fuel tank 5 and heating component 6, is placed with test carbon on electronic balance 21
Tank 3, test canister 3 include atmospheric air port 31, adsorption orifice 32 and desorption mouth 33, wherein 31 connecting detection device 312 of atmospheric air port,
Adsorption orifice 32 is connected to fuel tank 5, and desorption mouth 33 is connected to condensing bulb 23, and heating component 6 heats the surface of fuel tank 5, volatilization
Oil vapour enters inside test canister 3 from adsorption orifice 32, and condensing bulb 23 plays the role of simulated engine, and the oil after volatilization
Steam, which enters after condensing bulb 23, can condense into liquid and be collected, it is possible to reduce the waste of oil liquid.
As shown in Figure 1, the interior bottom of chamber 1 is provided with erecting bed 4, it is threaded between erecting bed 4 and chamber 1
Bolt 41 dismantles erecting bed 4, and fuel tank 5 is fixedly placed in 4 upper surface of erecting bed, and heating component 6 includes heater box 61
And circulating pump 62, circulating pump 62 and heater box 61 are fixed on 4 upper surface of erecting bed, offer circulation in the cabinet of fuel tank 5
Water channel, cyclic water channel are coated on the entire circumferential surface (not shown) of fuel tank 5, and the heating of connection power supply is provided in heater box 61
Silk (not shown), and liquid for heating is filled in heater box 61, circulation is communicated in circulating pump 62 and heater box 61
Water pipe 51, so that being interconnected between the cyclic water channel of circulating pump 62, heater box 61 and fuel tank 5 forms closed circuit.Into
When row test, heater strip is connected to power supply, heats to the liquid in heater box 61, and keep heating temperature at 40 degrees Celsius
The actual temperature of fuel tank 5 is simulated in left and right, and circulating pump 62 starts, and liquid is recycled between heater box 61 and cyclic water channel
Flowing, so that fuel tank 5 is heated evenly, oil liquid evaporates to form oil vapour after fuel tank 5 is heated.
Be communicated with adsorption tube 321 between fuel tank 5 and adsorption orifice 32 combined with Figure 1 and Figure 2, condensing bulb 23 and desorption mouth 33 it
Between be communicated with desorption pipe 331, the top of condensing bulb 23 is provided with aspiration pump 233, and aspiration pump 233 and the inner wall of chamber 1 are fixed
Connection, and exhaust tube 231 is communicated between aspiration pump 233 and the top surface of chamber 1, between detection device 312 and atmospheric air port 31
It is communicated with air pipe 311.Oil liquid formation oil vapour enters in test canister 3 along adsorption tube 321 and participates in inhaling after fuel tank 5 is heated
Attached property test, aspiration pump 233 carries out intermittent pumping, the air-breathing operation of simulated automotive engine, therefore oil vapour entrance at this time
After testing canister 3, desorption operation can be carried out in desorption mouth 33 with the pumping of aspiration pump 233, so that oil vapour is along de-
Attached pipe 331 enters in condensing bulb 23, and since the volume of condensing bulb 23 is larger, most oil vapour can coagulate in condensing bulb 23
Form oil liquid and collect in condensing bulb 23, least a portion of oil vapour can continue to be discharged along exhaust tube 231, and by taking out
Still the oil vapour of some condenses to form oil liquid during tracheae 231, and oil liquid can fall simultaneously under self gravitation effect
It instills and completes to collect in condensing bulb 23, to greatly reduce the waste of oil liquid.Gasoline concentration detection can be used in detection device 312
Instrument, to detect the oil vapour concentration and content that are discharged from atmospheric air port 31, so that the data of device for recording and detecting 312 are to determine examination
Test the adsorptivity of canister 3.
As shown in Figure 1, the inner bottom surface of chamber 1 is also placed with returnable bottle 7, returnable bottle 7 is located at the underface of condensing bulb 23,
And recovery tube 232 is communicated between the bottom of condensing bulb 23 and the top of returnable bottle 7, condensation is dropped in the oil liquid meeting of condensing bulb 23
Continue to be dropped in returnable bottle 7 along recovery tube 232, so that oil liquid is able to collect in order to reuse.
As shown in Fig. 2, the upper surface of partition 2 is fixedly installed the fixing sleeve 22 of annular, condensing bulb 23 is placed in fixing sleeve
In 22 and the outer circumference surface of condensing bulb 23 is abutted with the inner wall of fixing sleeve 22, and fixing sleeve 22 can steadily place condensing bulb 23
In 2 upper surface of partition, the stability of condensing bulb 23 is improved.
As shown in Figure 1, it is opening-like on a vertical plane of chamber 1 and be hingedly provided with two fan door closes 11, two
Door close 11 is fanned in up and down to positive setting, and is line of demarcation with partition 2, observation glass 111 is provided on door close 11, passes through sight
Glass 111 is examined it will be clear that 1 inner case of chamber, to track whole experiment process and can be at any time to emergency case
It is reacted, the setting of two fan door closes 11 can respectively overhaul 2 or more partition or the component below of partition 2, make
The component independence for obtaining about 2 two sides of partition is stronger.
As shown in Figure 1, a movable pulley 12 is respectively rotatably connected at the bottom four corners position of chamber 1, so that chamber 1
It is easy to remove.
The implementation principle of the present embodiment are as follows: before being tested, test canister 3 is placed on electronic balance 21 first,
Then adsorption orifice 32 is connect with adsorption tube 321；So that adsorption orifice 32 is connected to fuel tank 5, desorption mouth 33 is connected with desorption pipe 331
It connects, so that desorption mouth 33 is connected to condensing bulb 23；Atmospheric air port 31 is connect with air pipe 311, so that atmospheric air port 31 and detection fill
Set 312 connections.Then heater strip is connected to power supply, so that the liquid in heater box 61 is heated to 40 degree of effects, circulating pump 62
The liquid after heating is pumped into again in the cyclic water channel of fuel tank 5, so that fuel tank 5 is heated, after fuel tank 5 is heated, oil liquid shape
It is entered in test canister 3 at oil vapour along adsorption tube 321, meanwhile, the intermittent pumping of aspiration pump 233 is with simulated engine
Suction stroke, aspiration pump 233 will test the oil vapour inside canister 3 from the extraction of mouth 33 is desorbed and enters in condensing bulb 23, greatly
Partial oil vapour condenses in condensing bulb 23 forms oil liquid, and oil liquid instills in returnable bottle 7 along recovery tube 232 received again
Collection reduces waste, and still the oil vapour of some can be discharged from atmospheric air port 31 and enter detection device 312, detection dress
Setting 312 can detecte the oil vapour content being discharged from atmospheric air port 31, then can be by the data that detection device 312 is measured come to examination
The adsorptivity for testing canister 3 is judged.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of canister adsorptivity testing equipment, including chamber (1), it is characterised in that: be provided with oil in the chamber (1)
Case (5), condensing bulb (23), electronic balance (21) and test canister, test canister are located on electronic balance (21), test canister
Including atmospheric air port (31), adsorption orifice (32) and desorption mouth (33), fuel tank (5) and adsorption orifice (32) are communicated with adsorption tube (321),
Condensing bulb (23) and desorption mouth (33) are communicated with desorption pipe (331), and exhaust tube (231), exhaust tube are communicated on condensing bulb (23)
(231) one end far from condensing bulb (23) is communicated with aspiration pump (233), and atmospheric air port (31) is communicated with detection device (312).
2. a kind of canister adsorptivity testing equipment according to claim 1, it is characterised in that: the exhaust tube (231) is even
Pass through the top of condensing bulb (23), the inner wall of aspiration pump (233) and chamber (1) is affixed and is located at the top of condensing bulb (23).
3. a kind of canister adsorptivity testing equipment according to claim 1, it is characterised in that: solid in the chamber (1)
Surely it is provided with horizontal partition (2), partition (2) will be divided into upper layer and lower layer inside chamber (1), and fuel tank (5) is located at chamber
(1) bottom, electronic balance (21) and condensing bulb (23) are placed in the upper surface of partition (2).
4. a kind of canister adsorptivity testing equipment according to claim 3, it is characterised in that: the upper table of the partition (2)
Face is fixedly installed the fixing sleeve (22) of annular, and condensing bulb (23) is placed in fixing sleeve (22) and the excircle of condensing bulb (23)
The inner wall in face and fixing sleeve (22) contacts.
5. a kind of canister adsorptivity testing equipment according to claim 1, it is characterised in that: the bottom of the chamber (1)
Portion is placed with returnable bottle (7), is communicated between returnable bottle (7) and condensing bulb (23) recovery tube (232), and recovery tube (232) with
The bottom end connection of condensing bulb (23) is connected to the top of returnable bottle (7).
6. a kind of canister adsorptivity testing equipment according to claim 1, it is characterised in that: the bottom of the chamber (1)
Portion is fixedly installed erecting bed (4), and fuel tank (5) is fixed on erecting bed (4), and chamber (1) bottom is additionally provided with heating component
(6), heating component (6) includes heater box (61) and circulating pump (62), and heater box (61) is fixed on erecting bed (4), heating
Added with heater strip is provided in heating liquid and heater box (61) in case (61), the box house of fuel tank (5) offers circulation
Water channel, heater box (61), circulating pump (62) and cyclic water channel form unobstructed closed cycle by circulating water pipe (51).
7. a kind of canister adsorptivity testing equipment according to claim 6, it is characterised in that: the erecting bed (4) and examination
Multiple bolts (41) are threaded between tryoff (1) bottom.
8. a kind of canister adsorptivity testing equipment according to claim 1, it is characterised in that: the bottom of the chamber (1)
A movable pulley (12) is respectively rotatably connected at portion's corner location.
9. a kind of canister adsorptivity testing equipment according to claim 1, it is characterised in that: the chamber (1) it is same
Two fan door closes (11) are hinged on the vertical plane of side, two fans door close (11) to positive setting and are up and down to divide with partition (2)
Line.
10. a kind of canister adsorptivity testing equipment according to claim 9, it is characterised in that: on the door close (11)
It is provided with observation glass (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253526.3A CN109932270A (en) | 2019-03-30 | 2019-03-30 | A kind of canister adsorptivity testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253526.3A CN109932270A (en) | 2019-03-30 | 2019-03-30 | A kind of canister adsorptivity testing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN109932270A true CN109932270A (en) | 2019-06-25 |
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ID=66988830
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910253526.3A Pending CN109932270A (en) | 2019-03-30 | 2019-03-30 | A kind of canister adsorptivity testing equipment |
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| CN (1) | CN109932270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561399A (en) * | 2022-09-22 | 2023-01-03 | 东风汽车集团股份有限公司 | Testing arrangement and test equipment that charcoal jar discharged |
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Application publication date: 20190625 |