CN208578653U - A kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring system - Google Patents
A kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring system Download PDFInfo
- Publication number
- CN208578653U CN208578653U CN201820922018.0U CN201820922018U CN208578653U CN 208578653 U CN208578653 U CN 208578653U CN 201820922018 U CN201820922018 U CN 201820922018U CN 208578653 U CN208578653 U CN 208578653U
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- China
- Prior art keywords
- shell
- self
- pressure sensor
- impeller
- volute
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- Expired - Fee Related
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 7
- 239000002828 fuel tank Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 4
- 239000013589 supplement Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring systems, including volute, impeller and shell, the upper end of shell is connected with volute, motor cavity interior central has been vertically arranged shaft, rotor is socketed on the outside of the shaft, the stator fixed with shell is installed on the outside of rotor, the upper end of shaft is connected with impeller center intracavitary in negative pressure, the overcentre position that volute upper end corresponds to impeller has been vertically arranged air inlet pipe, escape pipe is disposed with along impeller tangential direction on the side wall of the volute, the upper and lower side of shaft passes through bearing respectively and is connected with shell and lower carrier plate, side on the lateral wall of shell positioned at escape pipe is equipped with pressure sensor to detect the outlet pressure of escape pipe.The utility model is compact-sized rationally, by a newly-increased pressure sensor can the outlet pressure of monitoring device and the leakage situation of whole system, it is at low cost, there is good promotional value.
Description
Technical field
The utility model relates to purification device technical fields, more particularly to a kind of self-fractionating pump with pressure sensor and steaming
Vapour discharges pressure monitoring system.
Background technique
The automobile with turbocharger is more and more in the market, and small displacement turbocharging automobile inlet manifold negative pressure is lower,
The oil vapour that canister is collected cannot be directly sucked in inlet manifold, such canister is collected oil vapour heel row and do not gone out under certain operating conditions
It going, oil vapour cannot make full use of, it results in waste of resources, if canister collects full oil vapour and row does not go out can have risk,
And China will carry out six discharge standard of engine state shortly after, which requires the hydrocarbon content in emission more severe
It carves.To solve the above problems, a kind of device that oil vapour is drawn onto inlet manifold from canister is proposed, it is oily when engine does not work
Gasoline volatilization in case is collected by canister, and self-fractionating pump also starts to work and is drawn onto the oil vapour that canister is collected when engine operation
Inlet manifold eventually enters into combustion chambers burn.
Present way is to need the pressure of separately installed two pressure monitor sensor whole systems in steam-dump system
Power, therefore, it is determined that whether there is pipeline leakage, it is necessary to be improved to entire steam-dump system, cost is bigger.
In addition, current purge pump is mostly that two bearings are arranged among axis, and it is ipsilateral positioned at rotor, to the branch of rotor entirety
It is bad to support performance, influences its stability used.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of self-fractionating pump and discharge of steam with pressure sensor
Pressure monitoring system, it is compact-sized rationally, can the outlet pressure of monitoring device and whole by a newly-increased pressure sensor
The leakage situation of a system, it is at low cost, there is good promotional value.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of purification with pressure sensor
Pump, including volute, impeller and shell, the upper end of the shell are connected with volute, are formed between the shell and volute negative
Inner cavity is pressed, the inside of the shell surrounds motor cavity by lower carrier plate, and the motor cavity interior central is vertically arranged
There is shaft, rotor is socketed on the outside of the shaft, the stator fixed with shell is installed on the outside of the rotor, described turns
The upper end of axis is connected with impeller center intracavitary in negative pressure, and the volute upper end corresponds to the vertical cloth in overcentre position of impeller
It is equipped with air inlet pipe, is disposed with escape pipe, the upper and lower side difference of the shaft along impeller tangential direction on the side wall of the volute
It is connected by bearing with shell and lower carrier plate, the side on the lateral wall of the shell positioned at escape pipe is equipped with pressure sensing
Device is to detect the outlet pressure of escape pipe.
As a kind of supplement to technical solution described in the utility model, the outside of the bearing is socketed with bearing
Room.
As a kind of supplement to technical solution described in the utility model, the bearing chamber of the shaft lower end and lower branch
Spring is axially installed between plate.
As a kind of supplement to technical solution described in the utility model, the impeller includes upper disk and lower wall, institute
The upper surface for the lower wall stated has been evenly arranged several blades around center, and the blade forms arc between upper disk and lower wall
The upper end of shape air flue, the upper disk is provided with air entry between two parties, and the air entry is corresponding with air inlet pipe.
As a kind of supplement to technical solution described in the utility model, it is equipped with inside the lower end of the shell
Pcb board is equipped with the connector being connected with pcb board on the lateral wall of the shell.
A kind of discharge of steam pressure monitoring system using above-mentioned self-fractionating pump comprising the self-fractionating pump and canister, institute
The air inlet pipe for the self-fractionating pump stated is connected with canister, which is also respectively connected with fuel tank and air filtering core, on the self-fractionating pump
Pressure sensor is connected the air pressure that is discharged from escape pipe of detection with car running computer, the pipeline between the air filtering core and canister
On check-valves is installed.
Beneficial effect
It is compact-sized the utility model relates to a kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring system
Rationally, by a newly-increased pressure sensor can the outlet pressure of monitoring device and the leakage situation of whole system, pressure
Sensor module is mounted on product side, keeps structure more compact, while can substantially reduce the process risk of product manufacturing, cost
It is low, there is good promotional value；Two bearings are located at rotor both ends, optimize the stress feelings of entire rotor-support-foundation system
Condition, impeller use closed type structure, efficiency with higher.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the utility model；
Fig. 2 is the half-sectional structure chart of main view removed after volute of the utility model；
Fig. 3 is the half-sectional structure chart in part of the utility model；
Fig. 4 is the half-sectional structure chart of main view of impeller described in the utility model；
Fig. 5 is the overlooking structure figure of impeller described in the utility model；
Fig. 6 is the system schematic of discharge of steam pressure monitoring system described in the utility model.
Diagram: 1, volute, 2, shell, 3, escape pipe, 4, air inlet pipe, 5, pressure sensor, 6, connector, 7, stator, 8,
Rotor, 9, impeller, 10, shaft, 11, negative pressure inner cavity, 12, motor cavity, 13, spring, 14, lower carrier plate；15, pcb board；16, axis
It holds；17, bearing chamber；18, lower wall；19, upper disk；20, air entry；21, blade；A, fuel tank；B, canister；C, car running computer；D, only
Return valve；E, air filtering core.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
As shown in figures 1 to 6, the embodiments of the present invention is related to a kind of self-fractionating pump with pressure sensor and steam row
Pressure monitoring system, including volute 1, impeller 9 and shell 2 are put, the upper end of the shell 2 is connected with volute 1, the shell
Negative pressure inner cavity 11 is formed between 2 and volute 1, the inside of the shell 2 surrounds motor cavity 12 by lower carrier plate 14, described
12 interior central of motor cavity be vertically arranged shaft 10, the outside of the shaft 10 is socketed with rotor 8, the rotor 8
Outside is equipped with the stator 7 fixed with shell 2, and the upper end of the shaft 10 is connected with 9 center of impeller in negative pressure inner cavity 11,
The overcentre position that 1 upper end of volute corresponds to impeller 9 has been vertically arranged air inlet pipe 4, along leaf on the side wall of the volute 1
It takes turns 9 tangential directions and is disposed with escape pipe 3, the upper and lower side of the shaft 10 passes through bearing 16 and shell 2 and lower carrier plate 14 respectively
It is connected, the side on the lateral wall of the shell 2 positioned at escape pipe 3 is equipped with pressure sensor 5 to detect going out for escape pipe 3
Atmospheric pressure.
The outside of the bearing 16 is socketed with bearing chamber 17, prevents external oil gas from entering in motor cavity 12.
Spring 13 is axially installed between the bearing chamber 17 and lower carrier plate 14 of 10 lower end of shaft, spring 13, which can be given, to be turned
10 1, the axis upper pretightning forces pushed up, optimize bearing applying working condition, bearing are made to have longer service life under same case.
As the specific structure of impeller 9, the impeller 9 includes upper disk 19 and lower wall 18, the upper end of the lower wall 18
Face has been evenly arranged several blades 21 around center, the upper Pan19Gai on blade 21 upper disk 19 and lower wall 18 it
Between form arc air flue, the upper end of the upper disk 19 is provided with air entry 20 between two parties, and the air entry 20 is corresponding with air inlet pipe 4,
The structure of this impeller 9 is compact rationally, and the oil gas that air inlet pipe 4 enters can be drawn into arc air flue and fast by air entry 20
Speed is directed to the discharge of escape pipe 3.
As a kind of supplement to technical solution described in the utility model, it is equipped with inside the lower end of the shell 2
Pcb board 15 is equipped with the connector 6 being connected with pcb board 15 on the lateral wall of the shell 2.
A kind of discharge of steam pressure monitoring system using above-mentioned self-fractionating pump comprising the self-fractionating pump and canister b, institute
The air inlet pipe 4 for the self-fractionating pump stated is connected with canister b, and canister b is also respectively connected with fuel tank a and air filtering core e, the purification
Pressure sensor 5 on pump is connected the air pressure that is discharged from escape pipe 3 of detection, the air filtering core e and canister with car running computer c
Check-valves d is installed on the pipeline between b.
Specifically, by the communication of the car running computer with vehicle, pressure sensor can also play monitoring evaporation row
The effect whether place system leaks (see attached drawing 6).
When pump works normally, pressure sensor 5 detects the outlet pressure of escape pipe 3, contains to monitor oil gas in canister b
Amount.When outlet pressure reduction, illustrate that hydrocarbon content reduces in canister b；Outlet pressure is decreased to calibration value, illustrates oily in canister b
Within the allowable range, pump stops working Gas content.
When air pump inoperative, check-valves d is closed, pipeline is in closed system, and fuel tank a steam slowly volatilizees.If No leakage, pipe
Road pressure value is slowly increased with oil gas volatilization；If there is leakage, air enters in pipeline, and loine pressure will rise rapidly, and reaches big
It is balanced after atmospheric pressure, pressure sensor module monitors canister hydrocarbon content respectively by both operating modes and whether pipeline is let out
Leakage.
The utility model is compact-sized rationally, by a newly-increased pressure sensor can monitoring device outlet pressure
With the leakage situation of whole system, pressure sensor module is mounted on product side, keeps structure more compact, while can drop significantly
The process risk of low product manufacturing, it is at low cost, there is good promotional value；Two bearings are located at rotor both ends,
Optimize the stress condition of entire rotor-support-foundation system, impeller uses closed type structure, service efficiency with higher.
Claims (6)
1. a kind of self-fractionating pump with pressure sensor, including volute (1), impeller (9) and shell (2), it is characterised in that: described
The upper end of shell (2) is connected with volute (1), forms negative pressure inner cavity (11) between the shell (2) and volute (1), described
The inside of shell (2) is surrounded motor cavity (12) by lower carrier plate (14), the vertical cloth of the motor cavity (12) interior central
Shaft (10) are equipped with, are socketed with rotor (8) on the outside of the shaft (10), are equipped on the outside of the rotor (8) and shell (2)
Fixed stator (7), the upper end of the shaft (10) are connected with impeller (9) center in negative pressure inner cavity (11), the whirlpool
The overcentre position that shell (1) upper end corresponds to impeller (9) has been vertically arranged air inlet pipe (4), along leaf on the side wall of the volute (1)
Wheel (9) tangential direction is disposed with escape pipe (3), and the upper and lower side of the shaft (10) passes through bearing (16) and shell (2) respectively
It is connected with lower carrier plate (14), the side on the lateral wall of the shell (2) positioned at escape pipe (3) is equipped with pressure sensor
(5) to detect the outlet pressures of escape pipe (3).
2. the self-fractionating pump according to claim 1 with pressure sensor, it is characterised in that: the outside of the bearing (16)
It is socketed with bearing chamber (17).
3. the self-fractionating pump according to claim 2 with pressure sensor, it is characterised in that: described shaft (10) lower end
Spring (13) are axially installed between bearing chamber (17) and lower carrier plate (14).
4. the self-fractionating pump according to claim 1 with pressure sensor, it is characterised in that: the impeller (9) includes upper
The upper surface of disk (19) and lower wall (18), the lower wall (18) has been evenly arranged several blades (21) around center, described
Upper disk (19) cover on blade (21) and to form arc air flue between upper disk (19) and lower wall (18), the upper disk (19)
Upper end is provided with air entry (20) between two parties, and the air entry (20) is corresponding with air inlet pipe (4).
5. the self-fractionating pump according to claim 1 with pressure sensor, it is characterised in that: the lower end of the shell (2)
Inside is equipped with pcb board (15), and the connector (6) being connected with pcb board (15) is equipped on the lateral wall of the shell (2).
6. a kind of discharge of steam pressure monitoring system using self-fractionating pump as described in claim 1, it is characterised in that: including institute
The air inlet pipe (4) of the self-fractionating pump and canister (b) stated, the self-fractionating pump is connected with canister (b), which is also respectively connected with
Fuel tank (a) and air filtering core (e), the pressure sensor (5) on the self-fractionating pump is connected with car running computer (c) to be detected from outlet
The air pressure of (3) discharge is managed, check-valves (d) is installed on the pipeline between the air filtering core (e) and canister (b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922018.0U CN208578653U (en) | 2018-06-14 | 2018-06-14 | A kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922018.0U CN208578653U (en) | 2018-06-14 | 2018-06-14 | A kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208578653U true CN208578653U (en) | 2019-03-05 |
Family
ID=65507907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820922018.0U Expired - Fee Related CN208578653U (en) | 2018-06-14 | 2018-06-14 | A kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208578653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708804A (en) * | 2018-06-14 | 2018-10-26 | 宁波拓普集团股份有限公司 | A kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring system |
-
2018
- 2018-06-14 CN CN201820922018.0U patent/CN208578653U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708804A (en) * | 2018-06-14 | 2018-10-26 | 宁波拓普集团股份有限公司 | A kind of self-fractionating pump with pressure sensor and discharge of steam pressure monitoring system |
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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: 20190305 |