CN209327315U - More cabins evaporate confined chamber - Google Patents
More cabins evaporate confined chamber Download PDFInfo
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- CN209327315U CN209327315U CN201822199236.9U CN201822199236U CN209327315U CN 209327315 U CN209327315 U CN 209327315U CN 201822199236 U CN201822199236 U CN 201822199236U CN 209327315 U CN209327315 U CN 209327315U
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- cabin
- cabins
- cabinet
- evaporate
- placing
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Abstract
The utility model discloses a kind of more cabins to evaporate confined chamber, belong to fuel oil testing equipment field, its key points of the technical solution are that including cabinet, it is equipped at least two in the cabinet and places cabin, exhaust pipe is equipped in cabinet, at least two branched pipes are communicated on exhaust pipe, exhaust outlet is offered on each placement cabin, different branched pipes is inserted into different exhaust outlets respectively, one end that exhaust pipe stretches out outside cabinet is connected to vacuum pump, vertical partition is equipped in cabin placing, partition is located at the rear portion for placing cabin and there are distances between the inner wall at placement cabin rear portion, air outlet is offered in the rear upper of partition, return air inlet is offered in the lower rear of partition, gas compensation bag is fixed with placing in cabin, it is connected to outside the opening of gas compensation bag and cabinet.Achieve the effect that improve detection efficiency.
Description
Technical field
The utility model relates to fuel oil testing equipment field, in particular to more cabins evaporate confined chamber.
Background technique
The emission source of automobile pollution environment mainly has exhaust emissions, crankcase gas blowby and a fuel evaporation, in these substances
Containing the substance being harmful to the human body.
Existing frequently-used fuel evaporation emissions measurement method has collecting method and confined chamber method.
Existing to can refer to the Chinese patent that notification number is CN2046496625U, it discloses one kind to fire for motorcycle
The small-sized confined chamber of oily discharge vaporization measurement, including confined chamber cabinet, Storage Time in Gas Collecting Bag, temperature control equipment, hydrogen flame ion
Change type carbon-hydrogen analyzer, pressure-regulating device, exhaust pipe, fuel tank heating system, rack, control platform, confined chamber cabinet
Top is equipped with furred ceiling, and Storage Time in Gas Collecting Bag is placed on furred ceiling, and confined chamber cabinet is rectangular box, and exhaust pipe and temperature adjust dress
It sets and is mended after being fixed on confined chamber cabinet, circulating fan is installed in exhaust pipe.
In use, part to be measured is placed on box house, start-up temperature control device begins to warm up fuel tank, when fuel oil temperature reaches
When to certain temperature, the concentration of closed indoor hydrocarbon is analyzed immediately, and record concentration, temperature and pressure this moment
Power.
But a test specimen can only be tested in the confined chamber, when test specimen to be tested is more, testing efficiency is low.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of more cabins to evaporate confined chamber, reach
To the effect for improving detection efficiency.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of more cabin evaporation confined chambers, including cabinet, the cabinet is interior to be equipped at least two placement cabins, sets in cabinet
There is exhaust pipe, at least two branched pipes are communicated on exhaust pipe, offers exhaust outlet on each placement cabin, it is different
Branched pipe is inserted into different exhaust outlets respectively, and one end that exhaust pipe stretches out outside cabinet is connected to vacuum pump, sets placing in cabin
There is vertical partition, partition is located at the rear portion for placing cabin and there are distances between the inner wall at placement cabin rear portion, at the rear portion of partition
Top offers air outlet, offers return air inlet in the lower rear of partition, is fixed with gas compensation bag, gas placing in cabin
It compensates and is connected to outside the opening and cabinet of bag.
By using above-mentioned technical proposal, single fuel tank is individually placed in different placement cabins, then placement cabin is added
Heat, to detect the evaporation situation of substance in fuel tank, multiple settings for placing cabin can detect multiple and different fuel tanks, institute simultaneously
In measurement the fuel tank of different size can be detected simultaneously, thus will not influence the efficiency of detection, after sensing due to fuel tank,
It places in cabin and has remaining residue, need to clean out remaining residue with the accurate of under the influence of preventing detection
Property, it is drained that the setting of vacuum pump and exhaust pipe, branch pipe can will place gaseous matter remaining in cabin, while two branch pipes are total
When with a vacuum pump, installation cost is saved；When placing in cabin equipped with vertical partition, cabin will be placed and be separated into the area Liang Ge
Domain, the setting of such air outlet and return air inlet so that place cabin in air be stirred, thus guarantee place cabin in temperature it is equal
One property；The setting of gas compensation bag passes through the expansion and contraction of gas compensation bag itself, and compensation is placed in cabin due to temperature change
Bring pressure change, so that placing the inside and outside pressure difference for keeping a minimum level in cabin.
Originally practical to be further arranged to, two placement cabins are closed cabin, are hinged with sealing on placing cabin
Door.
By using above-mentioned technical proposal, when two placement cabins are closed cabin, it effectively prevent in two placement cabins
Gaseous matter overflow, improve the convenience of detection；The setting of hermatic door, the fuel tank that will be detected convenient for staff are put simultaneously
Enter to place in cabin, improves the convenience of operation.
Originally practical to be further arranged to, the surrounding of the hermatic door is fixed with sealing made of the rubber material of no HC discharge
Pad.
By using above-mentioned technical proposal, the setting of the gasket on hermatic door effectively prevent placing the gas in cabin and overflows
Out, the accuracy of detection is improved.
Originally practical to be further arranged to, it is equipped in two placement cabins and is fixed with latticed rack, placed
There are distances between frame and the bottom for placing cabin.
By using above-mentioned technical proposal, in use, fuel tank is put on rack, then fuel tank is heated, is put
Set frame it is grid-shaped when, enable heat uniformly pass to place cabin in so that fuel tank is heated evenly, also contribute to simultaneously
Place the air circulation in cabin.
Originally practical to be further arranged to, it is equipped with circulating fan in each placement cabin, is fixedly connected with placing in cabin
Circulation motor, circulation motor are connect with circulating fan, driving circulating fan rotation.
By using above-mentioned technical proposal, circulating fan and circulation motor are used cooperatively, to air in each placement cabin
Stirring provide power, enable place cabin in air be quickly stirred so that place cabin in air concentration and temperature
It keeps uniformly, improving the safety used.
Originally practical to be further arranged to, baffle is equipped at the exhaust outlet, the size of baffle is greater than the size of exhaust outlet,
Cylinder is fixedly connected on baffle, cylinder drives baffle to be completely coincident with exhaust outlet.
By using above-mentioned technical proposal, when being detected to the substance in fuel tank, exhaust outlet is blocked with baffle, is subtracted
Being used cooperatively for the accuracy that few intracorporal gaseous matter of case is detected by exhaust outlet discharge influence, cylinder and baffle, is improved
The convenience of operation.
Originally practical to be further arranged to, fin anemostat is fixedly connected at the air outlet and return air inlet.
By using above-mentioned technical proposal, the setting of anemostat, so that the air-flow at air outlet and return air inlet is uniform
Stable enters in placement, guarantees to place the temperature in cabin.
Originally practical to be further arranged to, the hermatic door is equipped with observation window, and the sectional dimension of observation window is less than hermatic door
Sectional dimension.
By using above-mentioned technical proposal, the setting of observation window on hermatic door is checked convenient for staff and places oil in cabin
The case where case, checks raising convenience to staff's.
Originally practical to be further arranged to, insulating layer is fixedly connected on each medial surface for placing cabin.
By using above-mentioned technical proposal, the setting of insulating layer effectively prevent placing the temperature in cabin and scatters and disappears.
Originally practical to be further arranged to, the cabinet is externally provided with water chiller and analyzer, is connected on water chiller more
A lateral, multiple laterals are connected from different placement cabins, are connected with multiple and different probe tubes on analyzer, are sampled
One end of pipe is connected to from different placement cabins.
By using above-mentioned technical proposal, water chiller is used to control the temperature placed in cabin, and common design is all one
A cabinet adds a set of water chiller and a set of analyzer, and such combination can only test a fuel tank sample every time, need to test
When multiple effective samples, the time for needing to spend is relatively more；When multiple placement cabins are arranged in cabinet, then multiple placement cabins are total
When with a set of water chiller and analyzer, multiple and different fuel tank samples can either be tested simultaneously, save the testing time, while
Reduce equipment cost.
In conclusion the utility model has the following beneficial effects:
1, when multiple placement cabins share a set of analyzer and water chiller, multiple and different fuel tanks can be surveyed simultaneously
The testing time is saved in examination, reduces equipment cost；
2, the setting in two placement cabins, can detect two fuel tanks simultaneously, improve the efficiency of detection；
3, exhaust pipe, vacuum pump and circulating fan are used cooperatively, and can will be placed remaining substance in cabin and be cleaned out,
Reduce the influence to next detection accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is intended to the schematic diagram of the section structure that cabin internal structure is placed in display；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is structure diagram when analyzer is connect with water chiller with placement cabin.
In figure, 1, cabinet；2, partition；21, air outlet；22, return air inlet；3, cabin is placed；31, hermatic door；311, observation window；
312, headlamp；32, gasket；33, rack；35, exhaust outlet；36, insulating layer；37, anemostat；38, heat exchanger；
4, exhaust pipe；41, branch pipe；42, vacuum pump；5, circulating fan；51, circulation motor；6, baffle；61, cylinder；7, analyzer；
8, water chiller；9, gas compensation bag.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of more cabin evaporation confined chambers, as shown in Figure 1, including cabinet 1, placing cabin 3, exhaust pipe 4, placement cabin 3 is set
At least two are equipped with, in the present embodiment there are two settings, exhaust pipe 4 is connected to cabinet 1, and between two placement cabins 3 in succession
It is logical.Place the analytical equipment in cabin 3 and analytical equipment and temperature in temperature control equipment reference patent document CN204649685U
Spend the setting of control device.In use, multiple fuel tanks are placed in different placement cabins 3, then pass through temperature control equipment pair
Fuel tank is heated, and then detects the gas that fuel tank evaporates by analytical equipment.
As shown in Figure 1, two placement cabins 3 are closed cabin, it is hinged with hermatic door 31 on two placement cabins 3,
It is fixedly connected with gasket 32 made of the rubber discharged no HC on hermatic door 31, gasket 32 is by the surrounding of hermatic door 31
It is fully wrapped around.Observation window 311 is offered in each sealing 31, headlamp 312 is fixed on observation window 311.Place cabin 3
It is inside fixedly connected with rack 33, rack 33 is grid-shaped, and there are distances between rack 33 and the bottom for placing cabin 3；?
Hermatic door 31 is equipped with observation window 311, and the size of observation window 311 is less than the size of hermatic door 31, solid in the outside of observation window 311
Surely it is connected with headlamp 312.In use, opening headlamp 22, enable to have light in cabinet 1, when heated, staff can
The case where checking fuel tank in two placement cabins 3 by observation window 21, improves the convenience of operation.
Two fuel tanks to be detected are placed on rack 33, hermatic door 31 is closed, fuel tank is heated, after detection evaporation
Gaseous matter.The setting of latticed rack 33, both played a supporting role to fuel tank, while can also make fuel tank heated equal
It is even.
As shown in Fig. 2, exhaust pipe 4 enters one section of upper connection in cabinet 1, there are two branch pipes 41, are placing 3 side of cabin
On offer the exhaust outlet 35 being used cooperatively with branch pipe 41 so that branch pipe 41 be inserted into exhaust outlet 35 in, exhaust pipe 4 is pierced by cabinet
Vacuum pump 42 is communicated on 1 one end.
Two branch pipes 41 are connected to two placement cabins 3 respectively, while sharing an exhaust pipe 4 and vacuum pump 42 again, section
Installation cost is saved, while can will also place the air in cabin 3 and be discharged, improves practical performance.
As shown in figure 3, being equipped with the baffle 6 for blocking exhaust outlet 35 completely at exhaust outlet 35, or controlled using butterfly valve
Exhaust air rate at exhaust outlet 35 processed, the sectional dimension of baffle 6 are greater than the size of exhaust outlet 35, are fixedly connected placing 3 outer wall of cabin
There is cylinder 61, the piston rod of cylinder 61 is fixedly connected with baffle 6, and driving baffle 6 moves horizontally so that baffle 6 is complete by exhaust outlet 35
It covers or does not cover completely entirely.
When heating to fuel tank, cylinder 61 is controlled, pushes baffle 6, so that baffle 6 closes the lid completely of exhaust outlet 35,
It prevents the gas generated in fuel tank to be discharged by exhaust outlet 35, the accuracy of detection, while the setting of slideway 62 is improved, to baffle
6 play certain supporting role, and certain gravity is both shared for piston rod, while baffle 6 and exhaust outlet 35 are covered and closed more
Step up close.
Review Fig. 2, be fixed with vertical partition 2 placing in cabin 3, between partition 2 and the inner wall for placing 3 rear portion of cabin there are
Distance, offers air outlet 21 in the rear upper of partition 2, return air inlet 22 is offered in the lower rear of partition 2, in air outlet
21 and return air inlet 22 on be fixedly connected to fin anemostat 37；Circulation is fixed at each rear portion for placing cabin 3
Fan 5 between circulating fan 5 is located at partition 2 and places 3 rear inside wall of cabin, is fixed with circulation motor 51 placing in cabin 3, recycles
Motor 51 connect with circulating fan 5 and circulating fan 5 is driven to rotate.It is fixedly connected on each medial surface for placing cabin 3
Insulating layer 36；It is arranged in gas compensation bag 9(figure in each placement cabin 3 and belongs to contraction state), gas compensation bag 9 being capable of basis
The variation of test condition carries out expansion or shrinkage, and gas compensation bag 9 may be provided at the top or side for placing cabin 3, according to reality
It is installed, is connected to outside the opening and cabinet 1 of gas compensation bag 9；Heat exchanger 38, heat are equipped in each placement cabin 3
The top of circulating fan 5 is arranged in exchanger 38.
Air outlet 21 and return air inlet 22 are used cooperatively, and the air placed in cabin 3 are recycled, 5 He of circulating fan
Circulation motor 51 provides power to place the air stirring in cabin 3, so that the air themperature and concentration placed in cabin 3 keep uniform
Property, safety when detection is improved, while but also the temperature placed in cabin 3 remains unchanged；The setting of heat exchanger 38, so that
The cold and hot temperature placed in cabin 3 swaps, and reaches and places temperature controlled effect in cabin 3；The setting of gas compensation bag 9 is used
The pressure change brought in cabin 3 due to temperature change is placed in compensation, so that placing the inside and outside pressure for keeping a minimum level in cabin 3
Difference.
As shown in figure 4, being externally provided with a set of analyzer 7 and water chiller 8 in cabinet 1, there are two samplings for connection on analyzer 7
Pipe, probe tube are controlled by control valve group, and the other end of different probe tubes is connected to from different placement cabins 3, Horizontal machine
There are two lateral, lateral is controlled by control valve group for connection in group 8, the other end of different laterals and
Different placement cabins 3 is connected to.
When two placement cabins 3 share a set of analyzer 7 and water chiller 8, multiple and different fuel tanks, phase can be tested simultaneously
Than saving the time of test when a cabinet 1 being connected with is using a set of analyzer 7 and water chiller 8, improve when testing
Efficiency, while also reducing equipment cost.
The implementation principle of the present embodiment are as follows:
Before being detected to fuel tank, cylinder 61 is controlled so that baffle 6 is not overlapped with exhaust outlet 35 and then opens vacuum pump
42 and circulating fan 5, it in cabinet 1 and gas extra in cabin 3 will be placed is discharged, the fuel tank that then will be detected is placed on two and puts
It sets on the rack 33 in cabin 3, the temperature in cabin 3 is placed by water chiller 8 and the control of heat exchanger 38, fuel tank is added
Heat, after heating, the gas in fuel tank is infiltrated, and the amount for the HC compound that fuel tank penetrates is detected by analyzer 7.Two put
The setting in cabin 3 is set, the detection efficiency to fuel tank is improved.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of more cabins evaporate confined chamber, including cabinet (1), it is characterised in that: be equipped at least two in the cabinet (1) and put
Cabin (3) are set, exhaust pipe (4) is equipped in cabinet (1), at least two branched pipes (41) is communicated on exhaust pipe (4),
Each placement cabin (3) side offers exhaust outlet (35), and different branched pipe (41) is inserted into different exhaust outlets (35) respectively, row
Feed channel (4) is stretched out the one end of cabinet (1) outside and is connected to vacuum pump (42), and vertical partition (2) is equipped in cabin (3) placing,
Partition (2) is located at the rear portion for placing cabin (3) and there are distances between the inner wall at placement cabin (3) rear portion, on the rear portion of partition (2)
Side offers air outlet (21), offers return air inlet (22) in the lower rear of partition (2), is fixed with gas placing in cabin (3)
Body compensates bag (9), and the opening of gas compensation bag (9) is connected to outside with cabinet (1).
2. more cabins according to claim 1 evaporate confined chamber, it is characterised in that: two placement cabins (3) are close
The cabin closed is hinged with hermatic door (31) on placing cabin (3).
3. more cabins according to claim 2 evaporate confined chamber, it is characterised in that: the surrounding of the hermatic door (31) is fixed
Whether there is or not gaskets (32) made of the rubber material of HC discharge.
4. more cabins according to claim 1 evaporate confined chamber, it is characterised in that: solid in two placement cabins (3)
Surely latticed rack (33) are equipped with, there are distances between rack (33) and the bottom for placing cabin (3).
5. more cabins according to claim 1 evaporate confined chamber, it is characterised in that: be equipped in each placement cabin (3)
Circulating fan (5) is fixedly connected with circulation motor (51) placing in cabin (3), and circulation motor (51) and circulating fan (5) are even
It connects, driving circulating fan (5) rotation.
6. more cabins according to claim 1 evaporate confined chamber, it is characterised in that: be equipped with baffle at the exhaust outlet (35)
(6), the size of baffle (6) is greater than the size of exhaust outlet (35), is fixedly connected on baffle (6) cylinder (61), cylinder (61)
Baffle (6) is driven to be completely coincident with exhaust outlet (35).
7. more cabins according to claim 1 evaporate confined chamber, it is characterised in that: the air outlet (21) and return air inlet
(22) fin anemostat (37) are fixedly connected at.
8. more cabins according to claim 2 evaporate confined chamber, it is characterised in that: the hermatic door (31) is equipped with observation
Window (311), the sectional dimension of observation window (311) are less than the sectional dimension of hermatic door (31).
9. more cabins according to claim 1 evaporate confined chamber, it is characterised in that: each inside for placing cabin (3)
Insulating layer (36) are fixedly connected on face.
10. more cabins according to claim 1 evaporate confined chamber, it is characterised in that: the cabinet (1) is externally provided with water cooling unit
Group (8) and analyzer (7), are connected with multiple laterals on water chiller (8), multiple laterals and different placement cabins
(3) it connects, multiple and different probe tubes is connected on analyzer (7), one end of probe tube is connected to from different placement cabins (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822199236.9U CN209327315U (en) | 2018-12-26 | 2018-12-26 | More cabins evaporate confined chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822199236.9U CN209327315U (en) | 2018-12-26 | 2018-12-26 | More cabins evaporate confined chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327315U true CN209327315U (en) | 2019-08-30 |
Family
ID=67728865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822199236.9U Expired - Fee Related CN209327315U (en) | 2018-12-26 | 2018-12-26 | More cabins evaporate confined chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209327315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946183A (en) * | 2019-12-10 | 2021-06-11 | 堀场仪器（上海）有限公司 | Closed evaporation test bin |
-
2018
- 2018-12-26 CN CN201822199236.9U patent/CN209327315U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946183A (en) * | 2019-12-10 | 2021-06-11 | 堀场仪器（上海）有限公司 | Closed evaporation test bin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20211226 |