CN212958893U - Take pressure monitoring's carbon tank desorption pump - Google Patents
Take pressure monitoring's carbon tank desorption pump Download PDFInfo
- Publication number
- CN212958893U CN212958893U CN202021166752.2U CN202021166752U CN212958893U CN 212958893 U CN212958893 U CN 212958893U CN 202021166752 U CN202021166752 U CN 202021166752U CN 212958893 U CN212958893 U CN 212958893U
- Authority
- CN
- China
- Prior art keywords
- volute
- casing
- pressure sensor
- shell
- pressure monitoring
- 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 - Fee Related
Links
- 238000003795 desorption Methods 0.000 title claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a take pressure monitoring's carbon tank desorption pump, which comprises a housin, the both ends of casing install volute and back lid respectively, the internally mounted of casing have a pivot, the one end of pivot link to each other with the impeller that is located the volute, the pivot on cup jointed the rotor, the outside of rotor be provided with the stator, the inside position that is close to the back lid of casing install the PCB board, the top of volute be provided with the intake pipe, one side tangential of volute be provided with the outlet duct, the PCB board on install pressure sensor, the inside of casing be provided with the detection air flue that communicates pressure sensor and outlet duct. The utility model discloses rational in infrastructure, utilize the air flue in the casing to monitor the pressure of giving vent to anger, satisfy the needs that whether monitoring pump body system leaked.
Description
Technical Field
The utility model relates to an automobile parts field specifically is a take pressure monitoring's carbon tank desorption pump.
Background
As the national six-emission standard is about to get on the platform, the environmental protection requirement on the automobile emission is more and more strict, and particularly, the gasoline vapor recovery function which is not paid attention to before is realized. And at present, an electronic carbon tank desorption pump can be installed, evaporated fuel steam can be recovered to the engine through the desorption pump to be combusted, and the electronic driving characteristic can provide more air inflow for the internal combustion engine through energy conversion to improve the performance of the internal combustion engine.
In order to better control the air extraction efficiency of the electronic carbon tank desorption pump, the working pressure of the electronic carbon tank desorption pump needs to be monitored, the working state of the pump body can be fed back by detecting the air pressure, whether leakage exists or not is judged, and the problem to be solved is how to conveniently and quickly monitor the air outlet pressure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take pressure monitoring's carbon tank desorption pump, it is rational in infrastructure, utilize the air flue in the casing to monitor the pressure of giving vent to anger, satisfy the needs that whether monitoring pump body system leaked.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take pressure monitoring's carbon tank desorption pump, includes the casing, the both ends of casing install volute and back lid respectively, the internally mounted of casing have a pivot, the one end of pivot link to each other with the impeller that is located the volute, the pivot on cup jointed the rotor, the outside of rotor be provided with the stator, the inside position of being close to the back lid of casing install the PCB board, the top of volute be provided with the intake pipe, one side tangential of volute be provided with the outlet duct, the PCB board on install pressure sensor, the inside of casing be provided with the detection air flue of intercommunication pressure sensor and outlet duct.
Preferably, the lower end of the detection air channel is provided with a sealing gasket which is contacted with the pressure sensor, and the upper part of the sealing gasket is provided with a through hole.
Preferably, a sealing ring is mounted at a position where the upper end of the detection air passage is connected with the scroll.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the detection air passage is arranged in the shell, so that the pressure of the air outlet in the air outlet pipe can be monitored, and the whole pump body is monitored to be in leakage state;
2. the lower end of the detection air passage is provided with a sealing gasket, so that the shell is prevented from being assembled and sealed with an air pipe channel of a pressure sensor on the PCB, and the oil gas is prevented from corroding the PCB.
Drawings
FIG. 1 is a cross-sectional structural view of the present invention;
fig. 2 is a front view half-section structure diagram of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model provides a carbon canister desorption pump with pressure monitoring, including casing 2, casing 2's both ends install volute 1 and back lid 4 respectively, casing 2's internally mounted have pivot 12, the one end of pivot 12 link to each other with the impeller 6 that is located volute 1, pivot 12 on cup jointed rotor 13, rotor 13's the outside be provided with stator 11.
2 inside positions that are close to back lid 4 of casing 2 install PCB board 3, the top of volute 1 be provided with intake pipe 5, one side tangential of volute 1 be provided with outlet duct 7, PCB board 3 on install pressure sensor 10, the inside of casing 2 be provided with the detection air flue 8 of intercommunication pressure sensor 10 and outlet duct 7, stator 11 can drive rotor 13 after the circular telegram and rotate, and the rotation of pivot 12 can drive impeller 6 and rotate, inhales oil gas from intake pipe 5, discharges from outlet duct 7.
As an embodiment of the utility model discloses an outlet duct 7 lasts to give vent to anger when carbon tank desorption pump work, enters into when giving vent to anger and detects air flue 8, is sensed by pressure sensor 10 and gives vent to anger, and this pressure of giving vent to anger is invariable in the time of normal work, in case appear undulant just explain probably appear leaking in the pump body, carbon tank desorption pump can automatic stop work.
In order to prevent oil gas in the detection air passage 8 from corroding the PCB, the lower end of the detection air passage 8 is provided with a sealing gasket 9 which is in contact with a pressure sensor 10, and a through hole is formed in the sealing gasket 9.
In order to prevent leakage, a sealing ring 14 is installed at the position where the upper end of the detection air passage 8 is connected with the scroll 1.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (3)
1. A carbon tank desorption pump with pressure monitoring comprises a shell (2), wherein a scroll shell (1) and a rear cover (4) are respectively arranged at two ends of the shell (2), a rotating shaft (12) is arranged in the shell (2), one end of the rotating shaft (12) is connected with an impeller (6) positioned in the volute (1), a rotor (13) is sleeved on the rotating shaft (12), a stator (11) is arranged on the outer side of the rotor (13), a PCB (3) is arranged in the shell (2) near the rear cover (4), an air inlet pipe (5) is arranged at the top of the volute (1), an air outlet pipe (7) is tangentially arranged at one side of the volute (1), it is characterized in that the PCB (3) is provided with a pressure sensor (10), the shell (2) is internally provided with a detection air passage (8) which is communicated with the pressure sensor (10) and the air outlet pipe (7).
2. The carbon canister desorption pump with pressure monitoring of claim 1 wherein: the lower end of the detection air passage (8) is provided with a sealing gasket (9) which is in contact with the pressure sensor (10), and a through hole is formed in the sealing gasket (9).
3. The carbon canister desorption pump with pressure monitoring of claim 1 wherein: and a sealing ring (14) is arranged at the position where the upper end of the detection air passage (8) is connected with the volute (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021166752.2U CN212958893U (en) | 2020-06-22 | 2020-06-22 | Take pressure monitoring's carbon tank desorption pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021166752.2U CN212958893U (en) | 2020-06-22 | 2020-06-22 | Take pressure monitoring's carbon tank desorption pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212958893U true CN212958893U (en) | 2021-04-13 |
Family
ID=75387796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021166752.2U Expired - Fee Related CN212958893U (en) | 2020-06-22 | 2020-06-22 | Take pressure monitoring's carbon tank desorption pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212958893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014440A (en) * | 2022-06-10 | 2022-09-06 | 广东科源电气股份有限公司 | Oil-immersed transformer state monitoring device |
-
2020
- 2020-06-22 CN CN202021166752.2U patent/CN212958893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014440A (en) * | 2022-06-10 | 2022-09-06 | 广东科源电气股份有限公司 | Oil-immersed transformer state monitoring device |
| CN115014440B (en) * | 2022-06-10 | 2024-01-05 | 广东科源电气股份有限公司 | Oil immersed transformer state monitoring device |
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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: 20210413 |