CN213831491U - Seabed valve automatic closing system based on wheel speed judgment - Google Patents
Seabed valve automatic closing system based on wheel speed judgment Download PDFInfo
- Publication number
- CN213831491U CN213831491U CN202022189129.5U CN202022189129U CN213831491U CN 213831491 U CN213831491 U CN 213831491U CN 202022189129 U CN202022189129 U CN 202022189129U CN 213831491 U CN213831491 U CN 213831491U
- Authority
- CN
- China
- Prior art keywords
- valve
- wheel speed
- normally
- open
- subsea
- 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.)
- Active
Links
Images
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model relates to a subsea valve self-closing system based on fast judgement of wheel, including the air supply, the oil-water separator, the fast sensor of wheel, EBS, two tee bend electromagnetic valve of open type, open type emergency button valve, pressure release formula gas accuse combination switch and subsea valve reset, this application utilizes two tee bend electromagnetic valve of open type between subsea valve gas circuit control system and chassis or semitrailer air supply, when vehicle starting, the fast sensor of wheel monitors vehicle speed signal, EBS is through controlling two tee bend electromagnetic valve of open type, cut off subsea valve gas circuit control system and chassis or semitrailer air supply, realize the self-closing function of pressure release formula gas accuse combination switch and subsea valve that resets.
Description
Technical Field
The utility model belongs to the technical field of the vehicle safety goes, especially, relate to a subsea valve self-closing system based on fast judgement of wheel.
Background
The dangerous chemical tank truck is mainly used for road transportation of flammable, explosive, toxic or corrosive liquid dangerous chemicals, and once leakage occurs, the dangerous chemical tank truck seriously endangers the road traffic safety and the life and property safety of people.
In the dangerous chemical tank truck with the bottom material loading and unloading function in the current market, a sea bottom valve is the only cargo access, and a common pneumatic control system of the vehicle is shown in figure 1 and comprises a chassis/semitrailer air source 1, an oil-water separator 2, a normally closed emergency button valve 3, a pressure supply reset type pneumatic control combination switch 4, a sea bottom valve 5, a wire harness, a pipe bundle and the like. When the material loading and unloading operation is carried out, personnel can control the opening or closing of the sea valve 5 by operating the pneumatic control combination switch 4, and further the communication or the cut-off of the tank body 6 and the material loading and unloading pipeline 7 can be realized. When an emergency occurs, the normally closed emergency button valve 3 is pressed, the pneumatic control combination switch 4 automatically resets, and the subsea valve is closed.
If the seabed valve 5 is not closed by an operator after the loading and unloading are finished, when a vehicle is driven to run, the tank body 6 is communicated with the loading and unloading pipeline 7, and once the pipeline is damaged due to collision, leakage can be caused, so that serious safety accidents such as environmental pollution or explosion, deflagration and the like can be caused. The pneumatic control mode has great influence of human factors and lower safety factor.
In summary, it is necessary to develop an automatic subsea valve closing system based on wheel speed determination.
SUMMERY OF THE UTILITY MODEL
The utility model provides a subsea valve self-closing system based on fast judgement of wheel effectively solves current dangerization article fluid reservoir car and loads and unload the back vehicle and go, and the subsea valve does not in time close the problem that leads to the incident to take place, through system technology application, effectively improves vehicle driving safety.
In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:
a submarine valve automatic closing system based on wheel speed judgment comprises an air source, an oil-water separator, a wheel speed sensor, an EBS (electromagnetic brake system), a normally open two-position three-way electromagnetic air valve, a normally open emergency button valve, a pressure relief reset type pneumatic control combined switch and a submarine valve;
the chassis air source is connected with the oil-water separator, the other end of the oil-water separator is connected with the normally-open two-position three-way electromagnetic air valve, the normally-open two-position three-way electromagnetic air valve is connected with the subsea valve through the pressure relief reset type pneumatic control combined switch, the other end fished in the seabed is respectively connected with the tank body and a loading and unloading pipeline, a branch is further arranged between the normally-open two-position three-way electromagnetic air valve and the pressure relief reset type pneumatic control combined switch, the normally-open emergency button valve is installed on the branch, the wheel speed sensor is installed on a tire, and the wheel speed sensor is connected with the normally-open two-way electromagnetic air valve through the EBS.
As a further explanation of the utility model: the air source is a chassis air source or a semitrailer air source, the chassis only supplies modification practicality, self braking and operation of the chassis are not influenced, and the semitrailer air source is output from an air storage cylinder of a semitrailer braking system and is not led to the air source for self braking of the semitrailer.
As a further explanation of the utility model: the wheel speed sensor is a sensor used for monitoring the rotating speed of the wheel in an anti-lock brake system of the vehicle.
As a further explanation of the utility model: the EBS is used for receiving the wheel speed signal output by the wheel speed sensor, converting the wheel speed signal into an electric signal and then sending a control signal to the normally open two-position three-way electromagnetic air valve, and the decision logic of the EBS is set to be that the vehicle speed is greater than 5 km/h or the wheel speed is greater than 0 r/min.
As a further explanation of the utility model: the pressure relief reset type pneumatic control combined switch comprises a main control handle and a sub-control handle, the main control handle is a main control switch, the sub-control handle is a control switch of the tank body corresponding to the seabed valve, and the main control handle and the sub-control handle can reset automatically when air pressure is released.
As a further explanation of the utility model: the normally open type emergency button valve is set to be a normally open type two-position three-way pneumatic control valve.
Compared with the prior art, the utility model discloses following profitable technological effect has:
1. the normally open type two-position three-way electromagnetic air valve is arranged between the oil-water separator and the pressure relief reset type pneumatic control combination switch, when a vehicle starts, the wheel speed sensor monitors a vehicle speed signal, the signal is sent to the EBS and converted into an electric signal, the pressure relief reset type pneumatic control combination switch is cut off and isolated from a chassis or a semitrailer air source by controlling the normally open type two-position three-way electromagnetic air valve, the pressure relief reset type pneumatic control combination switch and the subsea valve are automatically reset, the subsea valve is automatically closed, and driving safety is guaranteed.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Description of the reference numerals
1. A gas source; 2. an oil-water separator; 3. a normally open two-position three-way electromagnetic air valve; 4. a wheel speed sensor; 5. EBS; 6. A normally open emergency button valve; 7. a pressure relief reset type pneumatic control combination switch; 8. a subsea valve; 9. a tank body; 10. a loading and unloading pipeline.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, an automatic closing system of a subsea valve 8 based on wheel speed determination includes an air source 1, an oil-water separator 2, a wheel speed sensor 4, an EBS5, a normally open two-position three-way electromagnetic air valve 3, a normally open emergency button valve 6, a pressure-releasing reset pneumatic control combination switch 7, and a subsea valve 8.
Specifically, chassis air supply 1 is connected with oil water separator 2, the oil water separator 2 other end is connected with two tee bend electromagnetism pneumatic valves 3 of open type in usual, connect through pressure release reset formula gas accuse combination switch 7 between two tee bend electromagnetism pneumatic valves 3 of open type in usual and the sea bottom valve 8, the other end that the seabed was dragged for is connected with jar body 9 and loading and unloading pipeline 10 respectively, still be provided with a branch road between two tee bend electromagnetism pneumatic valves 3 of open type in usual and pressure release reset formula gas accuse switch, open type emergency button valve 6 is installed on its branch road, wheel speed sensor 4 installs on the tire, it is connected with two tee bend electromagnetism pneumatic valves 3 of open type in usual through EBS5, open type emergency button valve 6 sets up to two tee bend pneumatic valves of open type in usual.
Wherein, air supply 1 is chassis air supply 1 or semitrailer air supply 1, and the chassis only supplies to the repacking practicality, does not influence chassis self braking and manipulation, and semitrailer air supply 1 is the output of semitrailer braking system gas receiver, does not lead to the air supply 1 of semitrailer self braking.
The wheel speed sensor 4 is a sensor used for monitoring the rotating speed of a wheel in an anti-lock brake system of the vehicle, the EBS5 is used for receiving a wheel speed signal output by the wheel speed sensor 4, converting the wheel speed signal into an electric signal and then sending a control signal to the normally open two-position three-way electromagnetic air valve 3, and the judgment logic of the EBS5 is set to be that the vehicle speed is greater than 5 km/h or the wheel speed is greater than 0 r/min.
The pressure relief reset type pneumatic control combined switch 7 comprises a main control handle and a sub-control handle, the main control handle is a main control switch, the sub-control handle is a control switch of the tank body 9 corresponding to the subsea valve 8, and the main control handle and the sub-control handle can automatically reset when air pressure is released.
The working principle is as follows:
when dangerous chemicals fluid reservoir truck loads and unloads material operation, pull out pressure release formula gas accuse combination switch 7 main control handle and sub-accuse handle, compressed air in chassis/semitrailer air supply 1 is filtered through oil water separator 2, divide into two ways behind normally open two tee bend solenoid valve 3, get into the main control handle air inlet of pressure release formula gas accuse combination switch 7 on one way, another way gets into the main control handle and the sub-accuse handle control chamber of pressure release formula gas accuse combination switch 7 through normally open emergency button valve 6, open the sub-accuse handle of pressure release formula gas accuse combination switch 7 that resets, compressed air gets into the sea bottom valve 8 control chamber of corresponding storehouse, promote the valve core to move up to open sea bottom valve 8, make jar body 9 and loading and unloading pipeline 10 switch-on, thereby load and unload the material operation.
If meeting emergency in the loading and unloading process, the normally open emergency button valve 6 is pressed, compressed air in the main control handle and the sub-control handle control cavity of the pressure relief reset type pneumatic control combined switch 7 is exhausted from the exhaust port of the normally open emergency button valve 6, and the main control handle and the sub-control handle of the pressure relief reset type pneumatic control combined switch 7 automatically reset under the action of a reset spring. The air source 1 of the control cavity of the subsea valve 8 is discharged from the exhaust port of the normally open emergency button valve 6 through the pressure relief reset type pneumatic control combination switch 7, so that the subsea valve 8 is closed emergently, and the tank body 9 is isolated from the loading and unloading pipeline 10.
After the loading and unloading operation is finished, if a driver does not close the main control handle and the sub-control handle of the pressure relief reset type pneumatic control combination switch 7 in time, the subsea valve 8 is opened at the moment, so that the tank body 9 and the loading and unloading pipeline 10 are in a communicated state, when the vehicle starts, the wheel speed sensor 4 monitors a rotating speed signal, inputs the rotating speed signal into the EBS5, and sends an electric signal to the normally open two-position three-way electromagnetic air valve 3 after the rotating speed signal is processed by the ECU (the rotating speed signal of the wheel can be converted into a vehicle speed signal according to the standard, the set judgment logic is more than kilometer per hour, or the wheel speed is more than revolutions per minute according to the more strict requirement), so as to push the valve block to move downwards and cut off the air source 1 entering the lower part from the chassis or the semitrailer air source 1 and the oil-water separator 2. At the moment, the main control handle and the sub-control handle of the pressure relief reset type pneumatic control combined switch 7 automatically reset under the action of the reset spring, and the air source 1 in the control cavity of the subsea valve 8 is exhausted from the exhaust port of the normally open type emergency button valve 6 through the pressure relief reset type pneumatic control combined switch 7, so that the subsea valve 8 is automatically closed, and the tank body 9 is isolated from the loading and unloading pipeline 10.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a subsea valve self-closing system based on wheel speed is judged which characterized in that: the device comprises an air source, an oil-water separator, a wheel speed sensor, an EBS (electromagnetic brake system), a normally-open two-position three-way electromagnetic air valve, a normally-open emergency button valve, a pressure-relief reset type pneumatic control combination switch, a subsea valve, a tank body and a loading and unloading pipeline;
the chassis air source is connected with the oil-water separator, the other end of the oil-water separator is connected with the normally-open two-position three-way electromagnetic air valve, the normally-open two-position three-way electromagnetic air valve is connected with the subsea valve through the pressure relief reset type pneumatic control combined switch, the other end fished in the seabed is respectively connected with the tank body and a loading and unloading pipeline, a branch is further arranged between the normally-open two-position three-way electromagnetic air valve and the pressure relief reset type pneumatic control combined switch, the normally-open emergency button valve is installed on the branch, the wheel speed sensor is installed on a tire, and the wheel speed sensor is connected with the normally-open two-way electromagnetic air valve through the EBS.
2. The subsea valve automatic closing system based on wheel speed determination of claim 1, characterized in that: the air source is a chassis air source or a semitrailer air source, the chassis only supplies modification practicality, self braking and operation of the chassis are not influenced, and the semitrailer air source is output from an air storage cylinder of a semitrailer braking system and is not led to the air source for self braking of the semitrailer.
3. The subsea valve automatic closing system based on wheel speed determination of claim 1, characterized in that: the wheel speed sensor is a sensor used for monitoring the rotating speed of the wheel in an anti-lock brake system of the vehicle.
4. The subsea valve automatic closing system based on wheel speed determination of claim 1, characterized in that: the EBS is used for receiving the wheel speed signal output by the wheel speed sensor, converting the wheel speed signal into an electric signal and then sending a control signal to the normally open two-position three-way electromagnetic air valve, and the decision logic of the EBS is set to be that the vehicle speed is greater than 5 km/h or the wheel speed is greater than 0 r/min.
5. The subsea valve automatic closing system based on wheel speed determination of claim 1, characterized in that: the pressure relief reset type pneumatic control combined switch comprises a main control handle and a sub-control handle, the main control handle is a main control switch, the sub-control handle is a control switch of the tank body corresponding to the seabed valve, and the main control handle and the sub-control handle can reset automatically when air pressure is released.
6. The subsea valve automatic closing system based on wheel speed determination of claim 1, characterized in that: the normally open type emergency button valve is set to be a normally open type two-position three-way pneumatic control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022189129.5U CN213831491U (en) | 2020-09-29 | 2020-09-29 | Seabed valve automatic closing system based on wheel speed judgment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022189129.5U CN213831491U (en) | 2020-09-29 | 2020-09-29 | Seabed valve automatic closing system based on wheel speed judgment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213831491U true CN213831491U (en) | 2021-07-30 |
Family
ID=77007244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022189129.5U Active CN213831491U (en) | 2020-09-29 | 2020-09-29 | Seabed valve automatic closing system based on wheel speed judgment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213831491U (en) |
-
2020
- 2020-09-29 CN CN202022189129.5U patent/CN213831491U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102358281B (en) | Parking braking protection system | |
| CN203739871U (en) | Electrical control air pressure service brake device of heavy-duty truck | |
| CN108290563A (en) | Vehicle electric pneumatic type holding brake device with additional control loop | |
| CN106458195A (en) | Electro-pneumatic parking brake control device | |
| CN108883759B (en) | Relay valve arrangement for a pneumatic or electropneumatic motor vehicle brake system | |
| CN201745568U (en) | Heavy mineral dump truck brake control system | |
| CN105691373A (en) | Method for inserting an electric parking brake device | |
| CN105035056A (en) | Electrical spring-operated parking brake | |
| CN105216772B (en) | Parking and handling interlock system | |
| CN202728213U (en) | Gating parking braking system | |
| CN204801760U (en) | Parking braking device and vehicle that has it | |
| CN106627650A (en) | Parking brake remote isolation system and control method | |
| CN213831491U (en) | Seabed valve automatic closing system based on wheel speed judgment | |
| CN202623841U (en) | Automobile body lifting system linked with passenger bus door state | |
| CN202046240U (en) | Tank semi-trailer used for transporting low-temperature liquid | |
| CN201753040U (en) | Packing case lifting safety control device | |
| CN114312542A (en) | Seabed valve automatic closing system based on wheel speed judgment | |
| CN202138370U (en) | Parking braking protection system | |
| CN110525406B (en) | Electromagnetic air braking system of low-speed traction locomotive and implementation method thereof | |
| CN212828308U (en) | Loading and unloading brake interlocking system of liquid tank semitrailer | |
| CN211869346U (en) | Air circuit braking system with automatic braking function | |
| CN211252342U (en) | Detection and monitoring device for large-compartment lifting self-locking system of dumper | |
| CN111086493A (en) | Air circuit braking system with automatic braking function | |
| CN101722928B (en) | Large and medium passenger car anti-theft system based on energy storage spring parking brake | |
| CN205396070U (en) | Car intelligence is slowed down and braking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |