CN213021796U - Be used for car oil feeding system oil pump to mark level sensor - Google Patents
Be used for car oil feeding system oil pump to mark level sensor Download PDFInfo
- Publication number
- CN213021796U CN213021796U CN202022188990.XU CN202022188990U CN213021796U CN 213021796 U CN213021796 U CN 213021796U CN 202022188990 U CN202022188990 U CN 202022188990U CN 213021796 U CN213021796 U CN 213021796U
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- Prior art keywords
- fuel tank
- oil
- level sensor
- oil pump
- liquid level
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- 239000003921 oil Substances 0.000 title claims abstract description 92
- 239000010729 system oil Substances 0.000 title claims abstract description 5
- 239000002828 fuel tank Substances 0.000 claims abstract description 77
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 239000010865 sewage Substances 0.000 claims abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 33
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
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Abstract
The utility model discloses a be used for car oil feeding system oil pump to mark level sensor, including the fuel tank and the linker of being connected with the fuel tank and the oil pump of setting in the fuel tank, be provided with the oil pump float along with the oil level fluctuation on the oil pump, be provided with level sensor in the linker, the last level sensor float along with the high fluctuation of linker oil level that is equipped with of level sensor, oil pump and level sensor are connected with car data acquisition system through the wire respectively, one side of fuel tank is provided with the oil pipe interface. Compared with the prior art, the communicating vessel arranged on one side of the fuel tank of the utility model has simple structure and convenient installation and fixation, and the bottom can discharge sewage through the arranged blow-off pipe and the blow-off valve; and the liquid level display pipe and the scale line which are arranged are simple in structure, so that people can visually check the fuel liquid level in the fuel tank.
Description
Technical Field
The utility model relates to a level sensor field especially relates to a be used for car oil feeding system oil pump to mark level sensor.
Background
The liquid level sensor is widely applied to the fuel quantity in the automobile fuel oil tank, and the accurate calibration of the liquid level sensor is particularly critical to the measurement of the fuel quantity of the automobile. The traditional liquid level sensor calibration method adopts the principle of communicating pipes, each sensor adopts one set of calibration device, oil adding and discharging pipelines are complicated, the reusability is poor, the occupied space is large, and the rapid change of the size requirement of a liquid level sensor product is difficult to deal with.
The fuel pump is used for sucking fuel from a fuel tank, pressurizing the fuel and then delivering the pressurized fuel to a fuel supply pipe, and is matched with a fuel pressure regulator to establish certain fuel pressure. The liquid level sensor on the fuel pump has the function of measuring the fuel liquid level in the fuel tank, and the float is mainly used for driving the contact to slide on the measuring plate, so that the purpose of measuring the liquid level is achieved. When the liquid level of the oil liquid changes, a float rod assembly of a liquid level sensor of the fuel pump can rotate, and the rotation can drive a movable reed contact to slide on a resistor sheet, so that different resistance values are generated and output to an instrument. Consumers have placed greater demands on the meter to accurately display the amount of fuel as the vehicle is used. Because each meter display position has a unique resistance value corresponding to the oil pump sensor, if the meter display precision is improved, more resistance values must be provided for the meter, and the corresponding relation between the conduction band width of the liquid level sensor and the resistance value is required to be more accurate. In the case where the difference in height between the upper surface and the lower surface of the inside of the fuel tank is constant and the radius of rotation of the float lever assembly is constant, the larger the number of resistance values, the smaller the width of the conduction band. The width of the conduction band has a limit value realized by the process, and when the width of the conduction band is minimum, the required resistance value quantity cannot be provided, so that the accurate display of the meter cannot be realized.
For example, the utility model patent of application number CN201320639585.2 discloses a fuel tank volume, height and oil pump output resistance characteristic's measuring device, including fuel tank and linker, install the fuel tank oil pump in the fuel tank, be equipped with the oil pump float along with the high undulation of oil level on the fuel tank oil pump, be equipped with level sensor in the linker, the last level sensor float that is equipped with along with the high undulation of oil level of linker that is equipped with of level sensor, the resistance delivery outlet of fuel tank oil pump and level sensor's delivery outlet are connected with data acquisition system through the wire respectively, the bottom minimum of fuel tank is equipped with the oil pipe and connects, the vertical upwards exit linkage who connects with oil pipe of one end of transparent oil pipe, transparent oil pipe's the other end is. When fuel enters a riser of a transparent oil pipe below the fuel tank, the height H1 of the liquid level from the bottom wall of the fuel tank is measured, the thickness H2 of the bottom wall of the fuel tank is added, and then the fuel is filled into the communicating vessel until the fuel level is higher than H1+ H2 during measurement, namely the fuel level reaches zero height of the fuel tank.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a calibration liquid level sensor for an oil pump of an automobile oil supply system, which has novel design and convenient use, compared with the prior art, the communicating vessel arranged at one side of the fuel tank has simple structure and convenient installation and fixation, and the bottom can discharge sewage through the arranged blow-off pipe and the blow-off valve; and the liquid level display pipe and the scale line which are arranged are simple in structure, so that people can visually check the fuel liquid level in the fuel tank.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a liquid level sensor for calibrating an oil pump of an automobile oil supply system comprises a fuel tank, a communicating vessel connected with the fuel tank and the oil pump arranged in the fuel tank, wherein an oil pump floater fluctuating along with the oil level is arranged on the oil pump, a liquid level sensor is arranged in the communicating vessel, a liquid level sensor floater fluctuating along with the oil level height of the communicating vessel is arranged on the liquid level sensor, the oil pump and the liquid level sensor are respectively connected with an automobile data acquisition system through leads, an oil pipe interface is arranged on one side of the fuel tank, and the oil pipe interface comprises a first oil pipe interface arranged at the bottom of the fuel tank and a second oil pipe interface arranged at the upper part of the fuel tank; one side of the communicating vessel is provided with an upper connecting pipe and a lower connecting pipe, the lower connecting pipe is connected with a first oil pipe interface on the fuel tank through a flange, and the upper connecting pipe is connected with a second oil pipe interface on the fuel tank through a flange. By adopting the technical scheme, the fuel in the fuel tank enters the communicating vessel, the liquid level sensor in the communicating vessel sends the liquid level of the fuel in the fuel tank to the automobile data acquisition system, and the data acquisition system acquires the liquid level in the fuel tank.
Preferably, the bottom of the communicating vessel is provided with a drain pipe, and the drain pipe is provided with a drain valve. By adopting the technical scheme, the sump oil precipitated at the bottom of the communicating vessel for a long time can be conveniently discharged.
Preferably, a transparent liquid level display pipe is further arranged between the upper connecting pipe and the lower connecting pipe, and scale marks are printed on the liquid level display pipe. By adopting the technical scheme, the liquid level in the fuel tank can be visually displayed, so that the fuel in the fuel tank can be conveniently calibrated and recorded.
Preferably, the filling opening of the fuel tank is provided with a flow meter, and an outlet of the flow meter is connected to an upper connecting pipe of the fuel tank or the communicating vessel. By adopting the technical scheme, the flowmeter is connected with an automobile data acquisition system; the metering device is used for metering during oil injection.
The utility model has the advantages that:
1. the utility model has novel design, convenient use, accurate measurement and high precision, and the fuel in the fuel tank enters the communicating vessel through the connecting pipe, so that the liquid level sensor floater in the communicating vessel and the oil pump floater in the fuel tank can simultaneously detect the fuel liquid level in the fuel tank and the connecting pipe, thereby being beneficial to improving the detection precision of the liquid level;
2. compared with the prior art, the communicating vessel arranged on one side of the fuel tank of the utility model has simple structure and convenient installation and fixation, and the bottom can discharge sewage through the arranged blow-off pipe and the blow-off valve; and the liquid level display pipe and the scale line which are arranged are simple in structure, so that people can visually check the fuel liquid level in the fuel tank.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural diagram according to the present invention.
The reference numbers in the figures illustrate: the device comprises a fuel tank 1, a communicating vessel 2, an oil pump 3, an oil pump floater 4, a liquid level sensor 5, a liquid level sensor floater 6, an automobile data acquisition system 7, an upper connecting pipe 8, a lower connecting pipe 9, a flange 10, a blow-off pipe 11, a blow-off valve 12, a liquid level display pipe 13, scale marks 14 and an oil filling port 15.
Detailed Description
The invention is further described with reference to the accompanying drawings:
referring to fig. 1, the liquid level sensor for calibrating the oil pump of the automobile oil supply system comprises a fuel tank 1, a communicating vessel 2 connected with the fuel tank 1 and an oil pump 3 arranged in the fuel tank 1, wherein an oil pump float 4 fluctuating along with the oil level is arranged on the oil pump 3, a liquid level sensor 5 is arranged in the communicating vessel 2, a liquid level sensor float 6 fluctuating along with the oil level height of the communicating vessel 2 is arranged on the liquid level sensor 5, the oil pump 3 and the liquid level sensor 5 are respectively connected with an automobile data acquisition system 7 through leads, an oil pipe interface is arranged on one side of the fuel tank 1, and the oil pipe interface comprises a first oil pipe interface arranged at the bottom of the fuel tank 1 and a second oil pipe interface arranged at the upper part of the fuel; one side of the communicating vessel 2 is provided with an upper connecting pipe 8 and a lower connecting pipe 9, the lower connecting pipe 9 is connected with a first oil pipe interface on the fuel tank 1 through a flange 10, and the upper connecting pipe 8 is connected with a second oil pipe interface on the fuel tank 1 through the flange 10. By adopting the technical scheme, the fuel oil in the fuel tank 1 enters the communicating vessel 2, the liquid level sensor 5 in the communicating vessel 2 sends the liquid level of the fuel oil in the fuel tank 1 to the automobile data acquisition system 7, and the data acquisition system 7 acquires the liquid level in the fuel tank 1; wherein, the oil pump float 4 is also connected with the liquid level sensor 5 for detecting the internal liquid level of the fuel tank 1. The flange 10 is convenient to mount and fix; the oil pump float 4 can be used for oil pump calibration so as to stop the oil pump when the oil in the fuel tank is not available.
Preferably, a sewage draining pipe 11 is arranged at the bottom of the communicating vessel 2, and a sewage draining valve 12 is arranged on the sewage draining pipe 11. Adopt this technical scheme to the sump oil that the long-time sediment in discharge intercommunication ware 2 bottoms.
Preferably, a transparent liquid level display tube 13 is further arranged between the upper connecting tube 8 and the lower connecting tube 9, and scale marks 14 are printed on the liquid level display tube 13. By adopting the technical scheme, the liquid level display device is used for visually displaying the liquid level in the fuel tank 1 so as to conveniently calibrate and record the fuel in the fuel tank 1.
Preferably, the filling opening 15 of the fuel tank 1 is provided with a flow meter, the outlet of which is connected to the upper connecting pipe 8 of the fuel tank 1 or the communicating vessel 2. By adopting the technical scheme, the flowmeter is connected with an automobile data acquisition system 7; the metering device is used for metering during oil injection.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
When the automobile runs, the fuel in the fuel tank is pumped by the oil pump, and when the fuel level in the fuel tank is deformed, the fuel level in the communicating vessel is changed together, so that the oil pump floater on the oil pump and the liquid level sensor floater on the liquid level sensor are changed, and signals are sent to the automobile data acquisition system, and the automobile data acquisition system processes and calculates the liquid level in the fuel tank according to an internally arranged program. In addition, the lower connecting pipe can be arranged at the position which is flush with the bottom of the fuel tank, and also can be arranged at the position which is not flush with the bottom of the fuel tank, mainly because: 1. when the fuel tank is actually used, the fuel in the fuel tank cannot be completely used up; 2. the liquid level sensor can be used for standby so that when the liquid level sensor cannot detect the fuel liquid level, the oil pump floater can detect the standby fuel liquid level which cannot be detected by the liquid level sensor in the fuel tank. Wherein, the automobile data acquisition system can improve the uniformity and the precision of measuring result according to the liquid level difference of height that detects.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a be used for car oil feeding system oil pump to mark level sensor, includes fuel tank (1) and communicating vessel (2) be connected with fuel tank (1) and oil pump (3) of setting in fuel tank (1), be provided with oil pump float (4) that fluctuate along with the oil level on oil pump (3), be provided with level sensor (5) in communicating vessel (2), be equipped with on level sensor (5) along with communicating vessel (2) oil level height fluctuation's level sensor float (6), oil pump (3) and level sensor (5) are connected its characterized in that through wire and car data acquisition system (7) respectively: an oil pipe interface is arranged on one side of the fuel tank (1), and comprises a first oil pipe interface arranged at the bottom of the fuel tank (1) and a second oil pipe interface arranged at the upper part of the fuel tank (1); one side of linker (2) is provided with connecting pipe (8) and lower connecting pipe (9), connecting pipe (9) are through flange (10) and the first oil pipe interface connection on fuel tank (1) down, go up connecting pipe (8) through flange (10) and the second oil pipe interface connection on fuel tank (1).
2. The oil pump calibration liquid level sensor for the automobile oil supply system according to claim 1, characterized in that: a sewage discharge pipe (11) is arranged at the bottom of the communicating vessel (2), and a sewage discharge valve (12) is arranged on the sewage discharge pipe (11).
3. The oil pump calibration liquid level sensor for the automobile oil supply system according to claim 1, characterized in that: go up connecting pipe (8) and still be provided with transparent liquid level display pipe (13) down between connecting pipe (9), the printing has scale mark (14) on liquid level display pipe (13).
4. The oil pump calibration liquid level sensor for the automobile oil supply system according to claim 1, characterized in that: and a flow meter is arranged at the oil filling port (15) of the fuel tank (1), and an outlet of the flow meter is connected to an upper connecting pipe (8) of the fuel tank (1) or the communicating vessel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022188990.XU CN213021796U (en) | 2020-09-29 | 2020-09-29 | Be used for car oil feeding system oil pump to mark level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022188990.XU CN213021796U (en) | 2020-09-29 | 2020-09-29 | Be used for car oil feeding system oil pump to mark level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213021796U true CN213021796U (en) | 2021-04-20 |
Family
ID=75479836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022188990.XU Expired - Fee Related CN213021796U (en) | 2020-09-29 | 2020-09-29 | Be used for car oil feeding system oil pump to mark level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213021796U (en) |
-
2020
- 2020-09-29 CN CN202022188990.XU patent/CN213021796U/en not_active Expired - Fee Related
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| 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: 20210420 |