CN104597799A - Oil tank truck with satellite positioning electronic lock and vehicle body stabilizing system - Google Patents
Oil tank truck with satellite positioning electronic lock and vehicle body stabilizing system Download PDFInfo
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- CN104597799A CN104597799A CN201410056416.5A CN201410056416A CN104597799A CN 104597799 A CN104597799 A CN 104597799A CN 201410056416 A CN201410056416 A CN 201410056416A CN 104597799 A CN104597799 A CN 104597799A
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- oil tank
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- offset angle
- liquid level
- threshold value
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
Abstract
The invention relates to an oil tank truck with a satellite positioning electronic lock and a vehicle body stabilizing system. The oil tank truck with the satellite positioning electronic lock and the vehicle body stabilizing system comprises a monitoring center, a vehicle-mounted terminal host and an electronic lead seal control unit, after the oil tank truck arrives at the destination, a radio frequency card reading-writing module reads a card releasing request, the vehicle-mounted terminal host uploads the current geographical coordinates through a GPRS/CDMA communication module, the monitoring center judges whether the oil tank truck is located in preset geographical coordinates, if so, the monitoring center sends a releasing command, and the vehicle-mounted terminal host controls an oil hole opening/closing executor to open an oil discharge valve after acquiring the releasing command through the GPRS/CDMA communication module. The oil tank truck with the satellite positioning electronic lock and the vehicle body stabilizing system realizes to effectively monitor the oil tank truck through the monitoring center, vehicle-mounted terminal host and electronic lead seal control unit and effectively avoids oil stealing and the like, and moreover, the oil tank truck fitly works with the vehicle body stabilizing system, and accordingly the real-time monitoring and safety are integrated.
Description
Technical field
The present invention relates to automotive field, particularly relate to a kind of tank wagon with satnav electronic lock and VSC.
Background technology
Along with the development of national economy, the increase of urban population, the expansion of scope, increasing severely with day along with product oil demand, makes the transport of oil product also day by day busy.Tank wagon, because of its feature such as motor-driven, flexible, becomes the main carriers of short distance oil product transport.But due to tank wagon operation dispersion, key operation data rely on and manually make an inventory statistics, not only consume a large amount of human resources, and the data gathered also are subject to interference from human factor, and confidence level is not high, cause tank wagon in operation process, lack effective monitoring.This problem shows more and more outstanding along with the constantly soaring of oil price in recent years.
At present the staff of some quality difference, not only leaves for other places by car in transit, also deposit just privately from storage tank emptying with the phenomenon sought private interests.The behavior of this emptying privately not only causes tremendous economic loss to oil company, also brings very large potential safety hazard to social public security.The difficulty of petrochemical system administrative authority at different levels to oil products delivery management, the management of oil product quality and quantity is increasing, how to carry out the common difficulty that the quantity in oil product transportation, quality management have become administrative authority at different levels.
2007, the Zhang Yong of Daqing Petroleum Institute describes the vehicle-mounted lock control system of a kind of product oil tank car, vehicle-mounted monitoring system installed by product oil tank car, realizes the functions such as geographical position coordinates data location, the detection of lock control system duty and the transfer control of warning message.Wherein lock control system needs the lock control physical construction transforming existing tank car charge of oil mouth and emptying pump box, installs explosion-proof electronic lock pin control device.By the position data of geographical position coordinates system Real-time Obtaining product oil tank car during system cloud gray model, when tank car is in the region can carrying out the operation of loading, unloading oil, microcontroller sends unlock command to respective electronic coded lock, allows to carry out charge of oil or emptying operation.The state of microcontroller real-time inspection electronic password lock and vehicle, sends alerting signal when occurring abnormal by GPRS; System real time record vehicle operating trace and various operation, be convenient to inquiry.
2008, Xiamen University Hu Xiao is in its master thesis " the tank wagon operation supervisory systems design based on GPRS network ", with Xiamen Ou Pusen Science and Technology Ltd. " research and development of petroleum streams KXG " project for application background, the car operation monitoring management system of tank wagon is studied and design, highlighting vehicle monitoring terminal in this cover system---the design of vehicle carrier mounted terminal main frame (also known as electronic seal), is described in detail the hardware design of vehicle monitoring terminal in system and software programming.This system can realize monitoring in real time the function such as information system management of hydraulic fluid port state, the operation note of vehicle-mounted monitoring equipment, the delivery management of oil product, the record of violation operation and warning, the real-time Transmission of monitor data, the backup of monitor data and collection and oil product operation data.But still there are some places that will improve in system, the card number such as, used in system more and often open card can only corresponding a kind of function, certain inconvenience is brought for staff's control card.And non-Design Orientation module in system, the positioning function of vehicle cannot be completed.
Summary of the invention
A kind of satellite positioning module positioning electronic is the object of the present invention is to provide to lock system, to solve the oil tank vehicle electronic lead sealing security of system sex chromosome mosaicism in product oil transportation.
In order to solve the problems of the technologies described above, the invention provides a kind of satellite positioning module positioning electronic lock system, comprising: Surveillance center, sending the default geographic coordinate of oily destination for storing tank wagon, and compared with the current geographic coordinate of the tank wagon uploaded, judge whether to send deblocking instruction; The car-mounted terminal main frame be connected with electronic lead sealing control module, this car-mounted terminal main frame comprises: main MCU module, the GPRS/CDMA communication module be connected with this main MCU module and the satellite positioning module for obtaining current geographic coordinate; Described electronic lead sealing control module, comprising: from MCU module, and the hydraulic fluid port switch actuator controlled from MCU module by this, with the described RF Signal module be connected from MCU module; After tank wagon arrives destination, described RF Signal module reads the deblocking request of deblocking card, described car-mounted terminal main frame uploads current geographic coordinate by GPRS/CDMA communication module, described Surveillance center judges whether tank wagon is positioned at default geographic coordinate, if be positioned at, then send deblocking instruction, after namely described car-mounted terminal main frame obtains deblocking instruction by GPRS/CDMA communication module, control port switch actuator opens delivery valve.
Further, in order to realize simply, effectively control valve, described hydraulic fluid port switch actuator comprises: gear hooks, by the described direct current generator controlled from MCU module, the head that described gear hooks coordinates with the pin-and-hole of valve shaft as lock pin, and the afterbody that described gear hooks is connected with the rotating shaft of direct current generator, namely, described direct current generator is rotated by the afterbody controlling gear hook, and pin-and-hole is inserted or extracted to band pendulum lock pin with locking or solution Lock valve; The afterbody that described gear hooks extends first, second blend stop, first, second blend stop described is spacing when locking or separate Lock valve, contact to produce corresponding signal with the first or second distance position sensor, describedly judge valve current state from MCU module by this signal.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) the present invention is achieved the effective monitoring of tank wagon in transportation by Surveillance center, car-mounted terminal main frame, electronic lead sealing control module, effectively prevents wet goods phenomenon steathily to occur, and integrates real-time and security; (2) carry out valve opening by direct current generator to hydraulic fluid port switch actuator, valve closing controls, scheme is simple, good reliability.
Present invention also offers a kind of tank wagon, this tank wagon is equipped with described satellite positioning module positioning electronic lock system, to solve oil tank vehicle borne reliability, the safety issue in product oil transportation.
On the basis of the technical scheme of above-mentioned GPS positioning electronic lock system, described tank wagon also comprises: VSC, which solves tank wagon in the process of moving, when vehicle is when turning, the technical matters of turning on one's side likely occurs.
Wherein, described tank wagon is full trailor, comprising: tractor and the towed vehicle for carrying oil tank; Described VSC comprises: the inertial navigation system being positioned at the center of roof, be positioned at the liquid level detection device of oil tank, electric power-assisted steering apparatus in tractor, and with described inertial navigation system be connected with liquid level detection device for controlling the processor module that electric power-assisted steering apparatus starts; Described inertial navigation system, is applicable to the longitudinal acceleration a detecting towed vehicle in real time
xwith side acceleration a
y; Described liquid level detection device, is applicable to detect the current level height in oil tank; Described processor module, is applicable to according to described longitudinal acceleration a
xwith side acceleration a
ycalculate the real-time offset angle of towed vehicle
and the ratio of liquid level when filling it up with according to current level height and oil tank, obtain current level aspect ratio, utilize look-up table to inquire about offset angle threshold value table, to obtain offset angle threshold value beta corresponding to current level aspect ratio '; If β>=β ', then start described electric power-assisted steering apparatus.
Described offset angle threshold value table is:
| Liquid level ratio (%) | Offset angle threshold value |
| 0 | 5.0° |
| 10 | 4.9° |
| 20 | 4.8° |
| 30 | 4.6° |
| 40 | 4.4° |
| 50 | 4.2° |
| 60 | 3.9° |
| 70 | 3.6° |
| 80 | 3.3° |
| 90 | 3.0° |
| 100 | 2.6° |
On the basis of above-mentioned VSC, present invention also offers the method for work of this tank wagon.
Described tank wagon is full trailor, comprising: tractor and the towed vehicle for carrying oil tank; Described VSC comprises: the inertial navigation system being positioned at the center of roof, be positioned at the liquid level detection device of oil tank, electric power-assisted steering apparatus in tractor, and with described inertial navigation system be connected with liquid level detection device for controlling the processor module that electric power-assisted steering apparatus starts;
The method of work of described VSC comprises:
Described inertial navigation system is applicable to the longitudinal acceleration a detecting towed vehicle in real time
xwith side acceleration a
y; Described liquid level detection device is applicable to detect the current level height in oil tank; Described processor module is applicable to according to described longitudinal acceleration a
xwith side acceleration a
ycalculate the real-time offset angle of towed vehicle
and the ratio of liquid level when filling it up with according to current level height and oil tank, obtain current level aspect ratio, utilize look-up table to inquire about offset angle threshold value table, to obtain offset angle threshold value beta corresponding to current level aspect ratio '; If β>=β ', then start described electric power-assisted steering apparatus;
Described offset angle threshold value table is:
| Liquid level ratio (%) | Offset angle threshold value |
| 0 | 5.0° |
| 10 | 4.9° |
| 20 | 4.8° |
| 30 | 4.6° |
| 40 | 4.4° |
| 50 | 4.2° |
| 60 | 3.9° |
| 70 | 3.6° |
| 80 | 3.3° |
| 90 | 3.0° |
| 100 | 2.6° |
Technique scheme of the present invention has the following advantages compared to existing technology: the present invention utilize liquid level than and the corresponding relation of offset angle threshold value, obtain the offset angle threshold value of different liquid level, and with real-time offset angle
compare, whether start, namely as β>=β ' to control electric power-assisted steering apparatus, then start described electric power-assisted steering apparatus, effectively prevent vehicle rollover, and described VSC can along with after RTC unloading, liquid level declines, the offset angle threshold value that adjustment is corresponding; Thus, reliability is had more than traditional fixed bias angle threshold value 5.0 °.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the circuit block diagram of Big Dipper GPS positioning electronic of the present invention lock;
Fig. 2 is the structural representation one of hydraulic fluid port switch actuator of the present invention;
Fig. 3 is the structural representation two of hydraulic fluid port switch actuator of the present invention.
Wherein, rotating shaft 3, first distance position sensor 401, second distance position sensor 402 of hook 1, the head 101 of gear hook, afterbody 102, first blend stop 103, second blend stop 104 keeping off hook, valve shaft 2, pin-and-hole 201, direct current generator is kept off.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
Embodiment one
See Fig. 1, a kind of satellite positioning module positioning electronic lock system, comprising:
Surveillance center, send the default geographic coordinate of oily destination for storing tank wagon, and compared with the current geographic coordinate of the tank wagon uploaded, judges whether to send deblocking instruction; The car-mounted terminal main frame be connected with electronic lead sealing control module, this car-mounted terminal main frame comprises: main MCU module, the GPRS/CDMA communication module be connected with this main MCU module and the satellite positioning module for obtaining current geographic coordinate; Described electronic lead sealing control module, comprising: from MCU module, and the hydraulic fluid port switch actuator controlled from MCU module by this, with the described RF Signal module be connected from MCU module; After tank wagon arrives destination, described RF Signal module reads the deblocking request of deblocking card, described car-mounted terminal main frame uploads current geographic coordinate by GPRS/CDMA communication module, described Surveillance center judges whether tank wagon is positioned at default geographic coordinate, if be positioned at, then send deblocking instruction, after namely described car-mounted terminal main frame obtains deblocking instruction by GPRS/CDMA communication module, control port switch actuator opens delivery valve.
See that described in Fig. 2 and Fig. 3, hydraulic fluid port switch actuator comprises: gear hook 1, by the described direct current generator controlled from MCU module, the head 101 that described gear hooks coordinates with the pin-and-hole 201 of valve shaft 2 as lock pin, the afterbody 102 that described gear hooks is connected with the rotating shaft 3 of direct current generator, namely, described direct current generator rotates by controlling to keep off the afterbody 102 hooked, and pin-and-hole 201 is inserted or extracted to band pendulum lock pin with locking or solution Lock valve; The afterbody 102 that described gear hooks extends the first blend stop 103, second blend stop 104, first, second blend stop described is spacing when locking or separate Lock valve, contact to produce corresponding signal with the first distance position sensor 401 or the second distance position sensor 402, describedly judge valve current state from MCU module by this signal.
Wherein, described main MCU module and single-chip microcomputer can be adopted realize from MCU module, described satellite positioning module can adopt GPS module or Beidou satellite navigation system (that is: Big Dipper GPS), and Big Dipper GPS is China's global positioning satellite of developing voluntarily and communication system (BDS).
Described satellite positioning module positioning electronic lock system also comprises: execute envelope card, deblocking card and super authority card,
Described envelope of executing is blocked, and at oil tank vehicle before petrol station emptying terminates to leave petrol station, staff should use to execute to seal to block and execute envelope to hydraulic fluid port valve.Execute Feng Kahou detecting, the geographical position coordinates positional information executing envelope card card number information and current oil tank car is uploaded to Surveillance center by car-mounted terminal main frame simultaneously; Surveillance center, by judging, determines that oil tank vehicle assigns instruction after legal position, and electronic lead sealing control module completes according to instruction and operates the envelope of executing of corresponding hydraulic fluid port.
Deblocking card, oil tank vehicle is after emptying place is specified in arrival, and staff uses deblocking card to carry out deblocking to hydraulic fluid port valve.Its flow process is identical with deblocking card, repeats no more here.
Super authority card, for prevent car-mounted terminal hostdown, radio antenna fault, operation parametric controller fault etc. cause cannot normally authentication scenario time, or cause system cannot normally carry out executing in search less than geographical position coordinates etc., the situation of unsealing operation, be stuck in by super authority, under Surveillance center's certification, unpacking operation executed to hydraulic fluid port valve.
Native system pre-sets multiple super authority card card number in advance in electronic lead sealing control module, when brush this type of card time, directly perform from MCU module execute, unsealing operation.Pre-setting the function of card, opening corresponding hydraulic fluid port, without the need to reporting Surveillance center according to setting.But No. ID, operation note of registration card answered by car-mounted terminal main frame, and be sent to Surveillance center for inspection afterwards.Once swipe the card successfully, it is invalid that this card becomes, and need again the input of the card number of this card could be continued to use next time from MCU module by Surveillance center.
Further, present invention also offers a kind of tank wagon, this tank wagon is equipped with described satellite positioning module positioning electronic lock system, to solve oil tank vehicle borne reliability, the safety issue in product oil transportation.
Embodiment two
Tank wagon on above-described embodiment one basis is also provided with VSC, and described tank wagon is full trailor, comprising: tractor and the towed vehicle for carrying oil tank.
Described VSC comprises: the inertial navigation system being positioned at the center of roof, be positioned at the liquid level detection device of oil tank, electric power-assisted steering apparatus in tractor, and with described inertial navigation system be connected with liquid level detection device for controlling the processor module that electric power-assisted steering apparatus starts.
Described inertial navigation system, is applicable to the longitudinal acceleration a detecting towed vehicle in real time
xwith side acceleration a
y.
Described liquid level detection device, is applicable to detect the current level height in oil tank.
Described processor module, is applicable to according to described longitudinal acceleration a
xwith side acceleration a
ycalculate the real-time offset angle of towed vehicle
and the ratio of liquid level when filling it up with according to current level height and oil tank, obtain current level aspect ratio, utilize look-up table to inquire about offset angle threshold value table, to obtain offset angle threshold value beta corresponding to current level aspect ratio '; If β>=β ', then start described electric power-assisted steering apparatus, wherein, offset angle is barycenter offset angle, at Chinese patent literature application publication number CN102582681 A, title: the discussion having related notion based on the AC permanent-magnet formula Electric Power Steering Control System of DSP and the Zhang Jinzhu of method and Harbin Engineering University in PhD dissertation disclosed in June, 2012 " vehicle steadily control system based on GPS is studied ", because in real process, centroid position is not easy to calculate, therefore in actual applications, by the described longitudinal acceleration a obtained by inertial navigation system
xwith side acceleration a
ycalculate the real-time offset angle of towed vehicle
Above-mentioned liquid level detection device can adopt the devices such as liquid level gauge to realize, and all has related fluid level detecting apparatus in prior art; Inertial navigation system is called for short INS, and it comprises three accelerometers, and each accelerometer can acceleration on a responsive direction, and usual three sensitive directions are orthogonal.Inertial coordinate system is navigated in order to reference, must follow the tracks of the sensing of accelerometer.With gyro can sensitive carrier relative to the rotary motion of inertial coordinate system, so just can measure the sensing of accelerometer in all moment.There is these information, just can decompose reference frame by degree of will speed up, then carry out integration.Described electric power-assisted steering apparatus is called for short EPS(Electronic Power Steering), the Zhang Jinzhu of Harbin Engineering University also refer to a kind of electric power-assisted steering apparatus in PhD dissertation disclosed in June, 2012 " vehicle steadily control system based on GPS is studied ".Described processor module, can adopt ARM to realize.
The method obtaining offset angle threshold value table comprises: the offset angle obtaining corresponding unstability critical conditions through many experiments respectively, namely
Experiment one
Select state's five No. 92 gasoline, vehicle: four rear eight fuel trucks before east wind sky dragon
| Liquid level ratio (%) | Offset angle |
| 0 | 5.1° |
| 10 | 4.93° |
| 20 | 4.82° |
| 30 | 4.63° |
| 40 | 4.45° |
| 50 | 4.28° |
| 60 | 4.01° |
| 70 | 3.70° |
| 80 | 3.39° |
| 90 | 3.08° |
| 100 | 2.67° |
Experiment two
Select state's five No. 92 gasoline, vehicle: the little three axle oil trucks of east wind sky dragon
| Liquid level ratio (%) | Offset angle |
| 0 | 5.05° |
| 10 | 4.92° |
| 20 | 4.83° |
| 30 | 4.62° |
| 40 | 4.43° |
| 50 | 4.26° |
| 60 | 4.01° |
| 70 | 3.62° |
| 80 | 3.36° |
| 90 | 3.07° |
| 100 | 2.65° |
Experiment three
Select state's five No. 95 gasoline, vehicle: six tank wagons after the pre-peaceful liberation period four
| Liquid level ratio (%) | Offset angle |
| 0 | 5.03° |
| 10 | 4.91° |
| 20 | 4.82° |
| 30 | 4.61° |
| 40 | 4.42° |
| 50 | 4.23° |
| 60 | 3.98° |
| 70 | 3.61° |
| 80 | 3.34° |
| 90 | 3.05° |
| 100 | 2.64° |
Experiment four
Select state's five No. 95 gasoline, vehicle: eight tank wagons after the pre-peaceful liberation period four
| Liquid level ratio (%) | Offset angle |
| 0 | 5.09° |
| 10 | 4.95° |
| 20 | 4.84° |
| 30 | 4.65° |
| 40 | 4.46° |
| 50 | 4.29° |
| 60 | 4.03° |
| 70 | 3.71° |
| 80 | 3.40° |
| 90 | 3.09° |
| 100 | 2.68° |
According to the experimental data of above-mentioned experiment one to experiment four, can summarize offset angle threshold value table is:
| Liquid level ratio (%) | Offset angle threshold value |
| 0 | 5.0° |
| 10 | 4.9° |
| 20 | 4.8° |
| 30 | 4.6° |
| 40 | 4.4° |
| 50 | 4.2° |
| 60 | 3.9° |
| 70 | 3.6° |
| 80 | 3.3° |
| 90 | 3.0° |
| 100 | 2.6° |
That is, the data of offset angle threshold value table are selected a little less than or are equaled the numerical value of offset angle of unstability critical conditions, which enhance the stability of VSC.
Embodiment three
The method of work of the tank wagon on above-described embodiment two basis.
Described tank wagon is full trailor, comprising: tractor and the towed vehicle for carrying oil tank, this oil tank is positive circular oil tank.
Described VSC comprises: the inertial navigation system being positioned at the center of roof, be positioned at the liquid level detection device of oil tank, electric power-assisted steering apparatus in tractor, and with described inertial navigation system be connected with liquid level detection device for controlling the processor module that electric power-assisted steering apparatus starts;
The method of work of described VSC comprises:
Described inertial navigation system is applicable to the longitudinal acceleration a detecting towed vehicle in real time
xwith side acceleration a
y; Described liquid level detection device is applicable to detect the current level height in oil tank; Described processor module is applicable to according to described longitudinal acceleration a
xwith side acceleration a
ycalculate the real-time offset angle of towed vehicle
and the ratio of liquid level when filling it up with according to current level height and oil tank, obtain current level aspect ratio, utilize look-up table to inquire about offset angle threshold value table, to obtain offset angle threshold value beta corresponding to current level aspect ratio '; If β>=β ', then start described electric power-assisted steering apparatus;
Described offset angle threshold value table is:
| Liquid level ratio (%) | Offset angle threshold value |
| 0 | 5.0° |
| 10 | 4.9° |
| 20 | 4.8° |
| 30 | 4.6° |
| 40 | 4.4° |
| 50 | 4.2° |
| 60 | 3.9° |
| 70 | 3.6° |
| 80 | 3.3° |
| 90 | 3.0° |
| 100 | 2.6° |
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (5)
1. a satellite positioning module positioning electronic lock system, is characterized in that comprising:
Surveillance center, send the default geographic coordinate of oily destination for storing tank wagon, and compared with the current geographic coordinate of the tank wagon uploaded, judges whether to send deblocking instruction;
The car-mounted terminal main frame be connected with electronic lead sealing control module, this car-mounted terminal main frame comprises: main MCU module, the GPRS/CDMA communication module be connected with this main MCU module and the satellite positioning module for obtaining current geographic coordinate;
Described electronic lead sealing control module, comprising: from MCU module, and the hydraulic fluid port switch actuator controlled from MCU module by this, with the described RF Signal module be connected from MCU module;
After tank wagon arrives destination, described RF Signal module reads the deblocking request of deblocking card, described car-mounted terminal main frame uploads current geographic coordinate by GPRS/CDMA communication module, described Surveillance center judges whether tank wagon is positioned at default geographic coordinate, if be positioned at, then send deblocking instruction, after namely described car-mounted terminal main frame obtains deblocking instruction by GPRS/CDMA communication module, control port switch actuator opens delivery valve.
2. GPS positioning electronic lock system according to claim 1, it is characterized in that, described hydraulic fluid port switch actuator comprises: gear hooks, by the described direct current generator controlled from MCU module, the head that described gear hooks coordinates with the pin-and-hole of valve shaft as lock pin, and the afterbody that described gear hooks is connected with the rotating shaft of direct current generator, namely, described direct current generator is rotated by the afterbody controlling gear hook, and pin-and-hole is inserted or extracted to band pendulum lock pin with locking or solution Lock valve; The afterbody that described gear hooks extends first, second blend stop, first, second blend stop described is spacing when locking or separate Lock valve, contact to produce corresponding signal with the first or second distance position sensor, describedly judge valve current state from MCU module by this signal.
3. a tank wagon, is characterized in that comprising: satellite positioning module positioning electronic lock system as claimed in claim 1.
4. tank wagon according to claim 3, is characterized in that, described tank wagon also comprises: VSC;
Described tank wagon is full trailor, comprising: tractor and the towed vehicle for carrying oil tank;
Described VSC comprises: the inertial navigation system being positioned at the center of roof, be positioned at the liquid level detection device of oil tank, electric power-assisted steering apparatus in tractor, and with described inertial navigation system be connected with liquid level detection device for controlling the processor module that electric power-assisted steering apparatus starts;
Described inertial navigation system, is applicable to the longitudinal acceleration a detecting towed vehicle in real time
xwith side acceleration a
y;
Described liquid level detection device, is applicable to detect the current level height in oil tank;
Described processor module, is applicable to according to described longitudinal acceleration a
xwith side acceleration a
ycalculate the real-time offset angle of towed vehicle
and the ratio of liquid level when filling it up with according to current level height and oil tank, obtain current level aspect ratio, utilize look-up table to inquire about offset angle threshold value table, to obtain offset angle threshold value beta corresponding to current level aspect ratio '; If β>=β ', then start described electric power-assisted steering apparatus;
Described offset angle threshold value table is:
5. a method of work for the tank wagon of satellite positioning module positioning electronic lock system as claimed in claim 1 is housed, it is characterized in that,
Described tank wagon is full trailor, comprising: tractor and the towed vehicle for carrying oil tank;
Described VSC comprises: the inertial navigation system being positioned at the center of roof, be positioned at the liquid level detection device of oil tank, electric power-assisted steering apparatus in tractor, and with described inertial navigation system be connected with liquid level detection device for controlling the processor module that electric power-assisted steering apparatus starts;
The method of work of described VSC comprises:
Described inertial navigation system is applicable to the longitudinal acceleration a detecting towed vehicle in real time
xwith side acceleration a
y; Described liquid level detection device is applicable to detect the current level height in oil tank; Described processor module is applicable to according to described longitudinal acceleration a
xwith side acceleration a
ycalculate the real-time offset angle of towed vehicle
and the ratio of liquid level when filling it up with according to current level height and oil tank, obtain current level aspect ratio, utilize look-up table to inquire about offset angle threshold value table, to obtain offset angle threshold value beta corresponding to current level aspect ratio '; If β>=β ', then start described electric power-assisted steering apparatus;
Described offset angle threshold value table is:
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| CN201410056416.5A CN104597799B (en) | 2014-02-19 | 2014-02-19 | Oil tank truck with satellite positioning electronic lock and vehicle body stabilizing system |
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|---|---|---|---|
| CN201410056416.5A CN104597799B (en) | 2014-02-19 | 2014-02-19 | Oil tank truck with satellite positioning electronic lock and vehicle body stabilizing system |
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| CN105929773A (en) * | 2016-01-15 | 2016-09-07 | 贵港市嘉特电子科技有限公司 | System for monitoring transportation state of tank wagon |
| CN106996473A (en) * | 2017-05-04 | 2017-08-01 | 北京航空航天大学 | A kind of automatic electronic lead sealing ball-cock device for applying envelope |
| CN108140270A (en) * | 2015-10-02 | 2018-06-08 | 液化天然气股份公司 | Protect the system to prevent the valve unauthorized entry into fuel gas tank |
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| CN112228615A (en) * | 2020-09-30 | 2021-01-15 | 广西南宁市佳翼康科技有限公司 | Intelligent control valve capable of being movably positioned and provided with switch and lock |
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| CN113405629A (en) * | 2020-03-17 | 2021-09-17 | 同方威视技术股份有限公司 | Liquid level measuring device for oil tank truck |
| CN112228615A (en) * | 2020-09-30 | 2021-01-15 | 广西南宁市佳翼康科技有限公司 | Intelligent control valve capable of being movably positioned and provided with switch and lock |
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