CN107702724A - A kind of automobile body attitude detection system - Google Patents
A kind of automobile body attitude detection system Download PDFInfo
- Publication number
- CN107702724A CN107702724A CN201711092065.3A CN201711092065A CN107702724A CN 107702724 A CN107702724 A CN 107702724A CN 201711092065 A CN201711092065 A CN 201711092065A CN 107702724 A CN107702724 A CN 107702724A
- Authority
- CN
- China
- Prior art keywords
- detection
- fuel tank
- magnetic valve
- oil
- liquid level
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 103
- 239000002828 fuel tank Substances 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 16
- 239000000446 fuel Substances 0.000 claims abstract description 8
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 detection switch Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a kind of automobile body attitude detection system, including detection fuel tank, liquid level sensor, fluid pressure line, pneumatic circuit, signal wire, magnetic valve, hydraulic oil container, detection switch, dust cover, controller, signal lamp, power supply and high pressure fuel source;Detection fuel tank is connected by pipeline realizes insertion, and liquid level sensor, magnetic valve are connected by signal wire with controller.Detection is penetrated with fuel tank box top installation magnetic valve with air, and detection is connected with oil inlet, oil-out respectively with tank bottoms by magnetic valve, and liquid level sensor is arranged on fuel tank internal;Detection fuel tank can realize oil-feed and fuel-displaced control, while can realize closing in dangerous working condition, and dust cover prevents the dust in air from entering detecting system.The present invention can be used for detection vehicle in slowly traveling on complex road surface or inactive state under body posture, has that installation is simple, cost is low, high reliability.
Description
Technical field
The present invention relates to a kind of detecting system and detection method, more particularly, to a kind of system of body gesture detection.
Background technology
As vehicle technology develops, electronic system is more and more, and the most of of these electronic systems is needed according to vehicle body
Posture carries out relevant control.
Body gesture is typically detected by gyroscope at present, but easily produces drift, and system accumulated error is difficult to disappear
Except, it is necessary to be modified by other sensors;The body of a motor car posture security protection detection device of patent 201220690699.5, passes through
3 axis MEMS acceleration transducer detects vehicle body state, although sensor bulk is small, control program is relatively cumbersome.Generally
See, the sensor that uses of body gesture detection is expensive, is unfavorable for being widely popularized uses, limits answering in process of production
With.
The content of the invention
The invention aims to solve test problems of the vehicle in complex working condition under body posture, there is provided Yi Zhongcheng
This relative moderate, body gesture detecting system easy for installation.
The present invention includes detection fuel tank, liquid level sensor, fluid pressure line, pneumatic circuit, signal wire, magnetic valve, hydraulic pressure
Fuel tank, detection switch, dust cover, controller, signal lamp, power supply and high pressure fuel source;Three detections are arranged on vehicle body with fuel tank,
And it is located at diverse location not conllinear in same level, three detections are penetrated with the bottom of fuel tank by fluid pressure line, three
Detection is respectively arranged with magnetic valve with oil inlet, the oil-out of fuel tank, and three detections are respectively arranged with electricity between the top of fuel tank and air
Magnet valve;Magnetic valve is 2/2-way magnetic valve.Hydraulic oil container is connected by fluid pressure line by magnetic valve with detection with fuel tank.
Detection is penetrated with tank bottoms by fluid pressure line, and detection fuel tank passes through a magnetic valve and oil inlet phase
Even, detection is connected by a magnetic valve with oil-out again with fuel tank.Such a scheme can realize detection fuel tank oil-feed and fuel-displaced,
Make the fluid total amount in detection fuel tank in certain scope.
Detection top of oil-tank is connected by pneumatic circuit with magnetic valve one end, the magnetic valve other end by pneumatic circuit with
Dust cover is connected.Such a scheme ensures to make air to enter or release during the change of detecting system operating oil tank liquid level, while can prevent
Only detecting system fluid overflows.Dust cover prevents dust in air and impurity enters detecting system, ensures that system fluid is clean.
Controller is connected with liquid level sensor, magnetic valve, power supply, indicator lamp respectively by signal wire.Detection switch one end
It is connected with positive source, the detection switch other end is connected with controller.High pressure fuel source is by fluid pressure line by magnetic valve and inspection
Survey is connected with fuel tank;
The course of work of the present invention:
Control whether detecting system works by a detection switch.Detecting system is according to detection when detection switch closes conjunction
The signal that switch provides carries out body gesture detection, and then body gesture detecting system is stopped when detection switch disconnects, now
Alarm lamp is state of going out.
When detection switch disconnects, all magnetic valves are off, detection fuel tank and its top in detecting system
Air be in closed state, alarm lamp goes out;
When detection switch closes, liquid level sensor signal is detected first, is calculated by controller, judges detection fuel tank
In fluid amount whether in allowed limits.
If 1) fluid amount is less in detection fuel tank, judge that each detection is with oil tank liquid level according to liquid level sensor signal
The no lower limit less than allowed band;If liquid level is less than the lower limit of allowed band, warning light is bright;Now, detection oil
The solenoid closure of box top, detection top of oil-tank and air are penetrated, while open the magnetic valve at oil inlet, ensure inspection
Survey is in into oil condition with fuel tank, when fluid amount reaches in tolerance zone, is closed at magnetic valve oil inlet, termination detection oil
Case oil-feed, warning light go out.
If 2) oily hypervolia in detection fuel tank, judge that each detection is with oil tank liquid level according to liquid level sensor signal
The no upper limit more than allowed band;If liquid level exceedes the upper limit of allowed band, warning light is bright;Now, detection oil
The solenoid closure of box top, detection top of oil-tank and air are penetrated, while open the magnetic valve at oil-out, ensure inspection
Survey fuel tank is in state of draining the oil, and when fluid amount reaches in tolerance zone, closes magnetic valve at oil-out, termination detection oil
Case is drained the oil, and warning light goes out.
For liquid level sensor, when the detection liquid level that liquid level sensor be present is too high, more than the scope of permission, this Times
Alert signal lamp is bright;When each liquid level sensor detects liquid level all in allowed band, warning light goes out.
Body gesture is that controller is obtained by liquid level sensor signal of change.When body gesture is in allowed band,
Warning light goes out.When body gesture exceedes in allowed band, warning light is bright.
The body gesture detecting system, vehicle stationary state under body posture can be not only detected, it is low also to can detect vehicle
Speed body gesture when being travelled on complex road surface.The system can be applied to different type vehicle, reduce design and processing cost.
Beneficial effects of the present invention:
Body gesture, detection fuel tank are calculated with the liquid level of the liquid level sensor acquisition in fuel tank by detection
In fluid can supplement and discharge, the magnetic valve of detection top of oil-tank can prevent the fluid in detection fuel tank from overflowing, together
When dust cover prevent dust in air from entering detecting system.
Brief description of the drawings
Fig. 1 is the structural representation of the automobile body attitude detection system of the present invention.
Wherein:1- detection fuel tanks;2- liquid level sensors;3- fluid pressure lines;4- signal wires;5- magnetic valves;6- hydraulic oil
Case;7- detection switch;8- dust covers;9- controllers;10- signal lamps;11- power supplys;12- high pressure fuel sources;13- pneumatic circuits.
Embodiment
As shown in figure 1, the present invention includes detection fuel tank 1, liquid level sensor 2, fluid pressure line 3, signal wire 4, magnetic valve
5th, hydraulic oil container 6, detection switch 7, dust cover 8, controller 9 and signal lamp 10, power supply 11, high pressure fuel source 12 and pneumatic circuit
13;Three detection fuel tanks 1 are arranged on vehicle body, and not conllinear diverse location in same level, and three detections are used
The bottom of fuel tank 1 is penetrated by fluid pressure line, and three detections are respectively arranged with magnetic valve 5 with oil inlet, the oil-out of fuel tank 1, three
Detection is with being respectively arranged with magnetic valve 5 between the top of fuel tank 1 and air;Magnetic valve 5 is 2/2-way magnetic valve.Hydraulic oil container 6 is logical
Fluid pressure line 3 is crossed to connect with detection fuel tank 1 by magnetic valve 5.
Detection is penetrated with the bottom of fuel tank 1 by fluid pressure line, and detection passes through a magnetic valve 5 and oil-feed with fuel tank 1
Mouth is connected, and detection is connected by a magnetic valve 5 with oil-out again with fuel tank 1.Such a scheme can realize the oil-feed of detection fuel tank 1
With it is fuel-displaced, make the fluid total amount in detection fuel tank 1 in certain scope.
Detection is connected with the top of fuel tank 1 by pneumatic circuit 13 with the one end of magnetic valve 5, and the other end of magnetic valve 5 passes through air pressure
Pipeline 3 is connected with dust cover 8.Air is set to enter or release during such a scheme guarantee detecting system operating oil tank liquid level change,
It can prevent detecting system fluid from overflowing simultaneously.Dust cover 8 prevents dust in air and impurity enters detecting system, ensures system oil
Liquid is clean.
Controller 9 is connected with liquid level sensor 2, magnetic valve 5, power supply 11, indicator lamp 10 respectively by signal wire.Detection is opened
Close 7 one end with the positive pole of power supply 11 to be connected, the other end of detection switch 7 is connected with controller 9.High pressure fuel source 12 passes through fluid pressure line 3
Connected by magnetic valve 5 with detection fuel tank 1;
The course of work of the present invention:
Control whether detecting system works by a detection switch 7.Detecting system is according to inspection when detection switch 7 closes conjunction
The signal that slowdown monitoring switch provides carries out body gesture detection, and then body gesture detecting system is stopped when detection switch 7 disconnects, this
Alarm indicator lamp is state of going out.
When detection switch 7 disconnects, all magnetic valves 5 are off, detection fuel tank 1 and thereon in detecting system
The air of side is in closed state, and alarm lamp goes out;
When detection switch 7 closes, the signal of liquid level sensor 2 is detected first, is calculated by controller 9, judge that detection is used
In allowed limits whether the fluid amount in fuel tank 1.
1) if detection is less with fluid amount in fuel tank 1, each liquid of detection fuel tank 1 is judged according to the signal of liquid level sensor 2
Whether position is less than the lower limit of allowed band;If liquid level is less than the lower limit of allowed band, warning light 10 is bright;Now, the inspection
The magnetic valve 5 at the top of survey fuel tank 1 closes, and makes the top of detection fuel tank 1 and air insertion, while open the electromagnetism at oil inlet
Valve 5, ensure that detection fuel tank 1 is in into oil condition, when fluid amount reaches in tolerance zone, close at the oil inlet of magnetic valve 5,
The termination detection oil-feed of fuel tank 1, while warning light 10 goes out.
2) if detection oily hypervolia in fuel tank 1, judges each liquid of detection fuel tank 1 according to the signal of liquid level sensor 2
Whether position exceedes the upper limit of allowed band;If liquid level exceedes the upper limit of allowed band, warning light 10 is bright;Now, the inspection
The magnetic valve 5 at the top of survey fuel tank 1 closes, and makes the top of detection fuel tank 1 and air insertion, while open the electromagnetism at oil-out
Valve 5, ensure that detection fuel tank 1 is in state of draining the oil, when fluid amount reaches in tolerance zone, close magnetic valve 5 at oil-out,
Termination detection fuel tank 1 is drained the oil, and warning light 10 goes out.
Body gesture is that controller 9 is obtained by the signal of change of liquid level sensor 2.When body gesture is in allowed band
When, warning light 10 goes out.When body gesture exceedes in allowed band, warning light 10 is bright.
The body gesture detecting system, vehicle stationary state under body posture can be not only detected, it is low also to can detect vehicle
Speed body gesture when being travelled on complex road surface.The system can be applied to different type vehicle, reduce design and processing cost.
Claims (1)
- A kind of 1. automobile body attitude detection system, it is characterised in that:Including detection fuel tank (1), liquid level sensor (2), liquid Pressure pipe road (3), signal wire (4), magnetic valve (5), hydraulic oil container (6), detection switch (7), dust cover (8), controller (9), letter Signal lamp (10), power supply (11), high pressure fuel source (12) and pneumatic circuit (13);Three detections are arranged on vehicle body with fuel tank (1), and The not conllinear diverse location in same level, three detections are penetrated with the bottom of fuel tank (1) by fluid pressure line, three Detection is respectively arranged with magnetic valve (5) with oil inlet, the oil-out of fuel tank (1), and three detections are between the top of fuel tank (1) and air It is respectively arranged with magnetic valve (5);Magnetic valve (5) is 2/2-way magnetic valve;Hydraulic oil container (6) passes through electromagnetism by fluid pressure line (3) Valve (5) is connected with detecting with fuel tank (1);Detection is penetrated with fuel tank (1) bottom by fluid pressure line, and detection fuel tank (1) is by a magnetic valve (5) with entering Hydraulic fluid port is connected, and detection is connected with fuel tank (1) by another magnetic valve (5) with oil-out;With being connected at the top of fuel tank (1) by pneumatic circuit (13) with magnetic valve (5) one end, magnetic valve (5) other end passes through for detection Pneumatic circuit (13) is connected with dust cover (8);Controller (9) is connected with liquid level sensor (2), magnetic valve (5), power supply (11), indicator lamp (10) respectively by signal wire; Detection switch (7) one end is connected with power supply (11) positive pole, and detection switch (7) other end is connected with controller (9);High pressure fuel source (12) connected by fluid pressure line (3) by magnetic valve (5) with detecting with fuel tank (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711092065.3A CN107702724A (en) | 2017-11-08 | 2017-11-08 | A kind of automobile body attitude detection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711092065.3A CN107702724A (en) | 2017-11-08 | 2017-11-08 | A kind of automobile body attitude detection system |
Publications (1)
Publication Number | Publication Date |
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CN107702724A true CN107702724A (en) | 2018-02-16 |
Family
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CN201711092065.3A Pending CN107702724A (en) | 2017-11-08 | 2017-11-08 | A kind of automobile body attitude detection system |
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CN (1) | CN107702724A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112572087A (en) * | 2020-12-30 | 2021-03-30 | 常州万安汽车部件科技有限公司 | Electromagnetic balance type vehicle hydraulic suspension system and control method thereof |
-
2017
- 2017-11-08 CN CN201711092065.3A patent/CN107702724A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112572087A (en) * | 2020-12-30 | 2021-03-30 | 常州万安汽车部件科技有限公司 | Electromagnetic balance type vehicle hydraulic suspension system and control method thereof |
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180216 |
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RJ01 | Rejection of invention patent application after publication |