Valve position monitoring system of carrying vehicle
Technical Field
The utility model relates to a vehicle-mounted transportation technical field, more specifically relate to a delivery vehicle's valve position monitored control system.
Background
Some of the existing tank vehicles, which are equipped with emergency shut-off valves at critical pipe locations, transport dangerous items such as gas, liquefied petroleum gas, natural gas, etc. The emergency cut-off is that when the articles are loaded or unloaded, the valve can be automatically or manually rapidly cut off by an oil pressure system in case of accidents such as fire, pipeline breakage, rollover, and stop valve failure. The emergency cut-off valve is one of necessary safety accessories on the pressure container storage and transportation equipment.
However, some accidents happen to the tank vehicles at intervals in the transportation process, and the direct reason of some accidents is that the tank vehicles have great safety hazards at the loading and unloading valves of the material inlet and the material outlet, so that tragedies are caused. The 'notice about listing the emergency cut-off valve of the road transportation liquid dangerous cargo tank vehicle in the bulletin inspection project' indicates that in order to improve the running safety performance of the tank type liquid dangerous cargo transport vehicle and the semi-trailer vehicle, the emergency cut-off valve assembled on the declared new product of the liquid dangerous cargo tank vehicle is inspected according to the standard QC/T932-2012 emergency cut-off valve of the road transportation liquid dangerous cargo tank vehicle. Currently, there are spring quick action valves, capacitor quick action valves, solenoid quick action valves, and the like as quick action valves on the market, and their control devices are generally electric buttons that are installed near the valves and connected by cables. However, when an emergency accident occurs or the valve needs to be closed, an operator needs to manually operate the button in a dangerous area, so that potential safety hazards exist, and the operator is easy to fall into danger.
To this end, it is desirable to provide a device capable of remotely controlling a valve to at least partially address the above problems.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.
For at least partly solving above-mentioned problem, the utility model provides a delivery vehicle's valve position monitored control system, valve position monitored control system includes:
the control device is arranged on the carrying vehicle and comprises a first control unit, an explosion-proof electromagnetic valve and a wireless receiving unit, wherein the explosion-proof electromagnetic valve is used for controlling the opening and closing of a pipeline valve of the carrying vehicle, the wireless receiving unit is used for receiving wireless signals, and the explosion-proof electromagnetic valve and the wireless receiving unit are both electrically connected with the first control unit; and
a handheld wireless controller, which comprises a second control unit, a wireless transmitting unit for transmitting wireless signals to communicate with the wireless receiving unit and an operating device with a control function, wherein the wireless transmitting unit and the operating device are both electrically connected with the second control unit,
the second control unit controls the wireless transmitting unit to transmit signals according to instructions from the operating device, and the first control unit controls the explosion-proof electromagnetic valve to be opened and closed according to the signals received by the wireless receiving unit.
Optionally, the control device further comprises an explosion-proof valve monitoring switch for monitoring the opening and closing state of the pipeline valve and an audible and visual alarm for giving an audible and visual alarm, and the explosion-proof valve monitoring switch and the audible and visual alarm are both electrically connected with the first control unit.
Optionally, the control device further comprises an explosion-proof gas probe for detecting gas components in the air, and the explosion-proof gas probe is electrically connected with the first control unit.
Optionally, the control device further includes a vibration sensor for sensing the operating state of the carrier vehicle and an accelerometer for sensing the acceleration of the carrier vehicle, and both the vibration sensor and the accelerometer are electrically connected to the first control unit.
Optionally, the control device further includes a GPS/BDS module for acquiring the location information of the carrier vehicle in real time, the GPS/BDS module is electrically connected to the first control unit, and the GPS/BDS module is further provided with a GNSS antenna for positioning.
Optionally, the vehicle-mounted power supply system further comprises a power supply device arranged on the carrying vehicle, the power supply device is connected with a vehicle-mounted power supply on the carrying vehicle, and the power supply device is electrically connected with the control device and provides electric energy for the control device.
Optionally, the power supply apparatus further includes a voltage stabilizing converter for stabilizing and filtering the vehicle-mounted power supply, a power supply selection switch for switching power supplies, a backup power supply capable of storing electric energy, and a vehicle-mounted power supply management module for performing charge and discharge management on the backup power supply, the voltage stabilizing converter is electrically connected to the vehicle-mounted power supply and the power supply selection switch respectively, the voltage stabilizing converter is further electrically connected to the power supply selection switch through the vehicle-mounted power supply management module and the backup power supply which are connected to each other, and the power supply selection switch is electrically connected to the first control unit; the vehicle-mounted power supply can supply power to the control device through the power supply selection switch, and when the vehicle-mounted power supply is disconnected with the power supply selection switch, the standby power supply can supply power to the control device through the power supply selection switch.
Optionally, the wireless receiving unit is provided with a first antenna for receiving signals, and the first antenna is arranged on the top of the carrying vehicle; the wireless transmitting unit is provided with a second antenna used for transmitting signals, and the second antenna is a built-in antenna.
Optionally, the control function of the operating device includes a wake-up instruction for waking up the handheld wireless controller, a valve closing instruction for controlling the pipe valve to be closed, and a sleep instruction for controlling the handheld wireless controller to sleep.
Optionally, an indicator light for displaying the working state is further arranged on the handheld wireless controller, the indicator light is electrically connected with the second control unit, and the second control unit displays the working state of the handheld wireless controller through the indicator light.
The utility model provides a delivery vehicle's valve position monitored control system, including setting up controlling means on delivery vehicle and the handheld wireless controller that can remote control, wherein be provided with the explosion-proof solenoid valve of first the control unit, control flap switching among the controlling means and be used for receiving wireless signal's wireless receiving unit, handheld wireless controller is provided with the second the control unit, is equipped with control function's operating means and can with the wireless transmitting unit of wireless receiving unit communication. Through the utility model discloses a valve position monitored control system when the delivery vehicle takes place emergency, can make the staff in safe area through the long-range valve that closes of handheld wireless controller, avoids the staff closely to be close to the delivery vehicle and meets danger, reduces the potential safety hazard.
Drawings
The following drawings of the embodiments of the present invention are provided as a part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,
fig. 1 is a schematic structural view of a power supply device and a control device according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a handheld wireless controller according to a preferred embodiment of the present invention.
Description of reference numerals:
001: vehicle-mounted power supply 1: power supply device
101: the voltage-stabilizing converter 102: power supply selection switch
103: the vehicle-mounted power management module 104: standby power supply
105: the first voltage reduction module 106: second voltage reduction module
2: the control device 201: a first control unit
202: explosion-proof gas probe 203: explosion-proof electromagnetic valve switch
204: explosion-proof valve travel switch 205: audible and visual alarm
206: GPS/BDS module 207: wireless receiving unit
208: the vibration sensor 209: accelerometer
210: the GNSS antenna 211: first antenna
3: the handheld wireless controller 301: second control unit
302: the battery 303: operating device
304: the indicator lamp 305: wireless transmitting unit
306: the boosting module 307: a second antenna.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring embodiments of the present invention.
In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art.
The utility model provides a delivery vehicle's valve position monitored control system. As shown in fig. 1 and 2, the valve position monitoring system according to the present invention includes a control device 2 provided on a carrier vehicle and a hand-held wireless controller 3 capable of remote operation. Control device 2 includes first the control unit 201, is used for the explosion-proof solenoid valve 203 of control pipeline valve switching and is used for receiving wireless signal's wireless receiving unit 207, and wherein explosion-proof solenoid valve 203 and wireless receiving unit 207 all with first the control unit 201 electric connection, can understand the utility model discloses a delivery vehicle mainly indicates the tank vehicle of transportation hazardous articles, and the hazardous articles include explosive, flammable and explosive article that have strong corrosivity such as compressed gas and liquefied gas, are equipped with the relevant pipeline that is used for carrying the hazardous articles on these delivery vehicles, the utility model discloses an explosion-proof solenoid valve 203 sets up on these pipelines promptly. The hand-held wireless controller 3 includes a second control unit 301, an operating device 303 provided with a control function, and a wireless transmitting unit 305 for transmitting a wireless signal to communicate with the wireless receiving unit 207, and the hand-held wireless controller 3 may be placed in a vehicle cabin or carried around by a worker.
In this embodiment, when the carrier vehicle encounters an emergency, such as an emergency valve closing is required in the process of filling a dangerous article onto the carrier vehicle or releasing the dangerous article from the carrier vehicle, an emergency valve closing is required in the process of transportation when an accident occurs, and the like, an operator can issue a valve closing instruction through the operation device 303 on the handheld wireless controller 3 at a position far away from a dangerous area, the second control unit 301 sends out a related signal through the wireless transmitting unit 305, and the first control unit 201 on the control device 2 receives the related signal through the wireless receiving unit 207 and then controls the explosion-proof electromagnetic valve 203 to close the valve.
According to the utility model discloses a valve position monitored control system when the emergency takes place for delivery vehicle, can make the staff in the safe area of keeping away from delivery vehicle through the long-range valve that closes of handheld wireless controller, avoids the staff to meet danger in dangerous area to reduce the potential safety hazard.
Further, the control device 2 further comprises an explosion-proof valve monitoring switch 204 for monitoring the opening and closing state of the pipeline valve of the carrier vehicle and an audible and visual alarm 205 capable of giving an audible and visual alarm, wherein the explosion-proof valve monitoring switch 204 and the audible and visual alarm 205 are both electrically connected with the first control unit 201. In this embodiment, the explosion-proof valve monitoring switch 204 may monitor the opening/closing state of the pipeline valve in real time, and transmit the monitored information to the first control unit 201, and when it is monitored that the pipeline valve is not completely closed, the first control unit 201 sends alarm information and controls the audible and visual alarm 205 to send an alarm signal. Preferably, the proximity switch can sense the displacement distance of the object, so that the explosion-proof valve monitoring switch 204 can adopt the proximity switch to judge whether the valve stroke is in place or not. Meanwhile, the audible and visual alarm 205 can be arranged at the head and/or tail of the carrying vehicle, so that audible and visual signals of the audible and visual alarm 205 are more obvious and can be more easily identified.
In order to further enhance the monitoring, an explosion-proof gas probe 202 may be further disposed on the carrying vehicle, the explosion-proof gas probe 202 is electrically connected to the first control unit 201, the explosion-proof gas probe 202 may detect components of the hazardous gas in the air, when it is detected that the content of the hazardous gas in the air reaches a certain value, it may be determined that there is gas leakage, and the first control unit 201 immediately controls the audible and visual alarm 205 to send an alarm signal after acquiring the information.
Preferably, the control device 2 further includes a shock sensor 208 for sensing the running state of the carrier vehicle and an accelerometer 209 for sensing the acceleration of the carrier vehicle, and the shock sensor 208 and the accelerometer 209 can acquire the real-time state of the vehicle. In addition, the control device 2 further includes a GPS (global positioning System)/BDS (BeiDou Navigation Satellite System) module 206 for acquiring position information of the carrier vehicle in real time. The vibration sensor 208, the accelerometer 209 and the GPS/BDS module 206 are electrically connected to the first control unit 201. Meanwhile, the GPS/BDS module 206 is externally connected to a GNSS (Global navigation satellite System) antenna 210 for positioning.
In a further embodiment, the first control unit 201 may determine the state of the vehicle through at least one of the vibration sensor 208, the accelerometer 209, and the GPS/BDS module 206. In the process of judging the state of the vehicle, the states of the vehicle such as real-time position, speed, acceleration and the like are detected through the device, when the vehicle is static or the speed of the vehicle is lower than 5km/h, the vehicle can be judged to be in a non-running state, at the moment, a worker can carry out routine inspection or process transported dangerous goods and the like without continuously monitoring the state of a pipeline valve or controlling the pipeline valve, and therefore the explosion-proof valve monitoring switch 204 and the audible and visual alarm 205 can be closed through the first control unit 201 to avoid generating unnecessary alarm signals; when the vehicle speed is detected to be greater than 5km/h, the vehicle can be judged to be in a running state, at the moment, the vehicle may be transporting dangerous goods, the running state of the vehicle is transmitted to the first control unit 201 through the device, at the moment, the first control unit 201 can open the anti-explosion valve monitoring switch 204 and the audible and visual alarm 205 to monitor the state of the pipeline valve, if the anti-explosion valve monitoring switch 204 detects that the pipeline valve is not completely closed, the first control unit 201 controls the audible and visual alarm 205 to send out an alarm signal, and after a worker obtains relevant information, the worker can send a valve closing instruction to the control device 2 through the handheld wireless controller 3, so that the anti-explosion electromagnetic valve 203 closes the pipeline under the control of the first control unit 201. In addition, when the vibration sensor 208 and the accelerometer 209 detect that the carrying vehicle has a severe impact, the first control unit 201 can also control the audible and visual alarm 205 to send out an alarm signal, and simultaneously detect and close the pipeline valve, so as to reduce the danger coefficient.
In addition, the valve position monitoring system further includes a power supply device 1 provided on the carrier vehicle and capable of supplying electric power to the control device 2. The power supply device 1 comprises a voltage stabilization converter 101 for performing voltage stabilization and filtering functions on a vehicle-mounted power supply, a power supply selection switch 102 for switching power supplies, a standby power supply 104 capable of storing electric energy and a vehicle-mounted power supply management module 103 for performing charging and discharging management on the standby power supply 104, wherein the voltage stabilization converter 101 is electrically connected with the vehicle-mounted power supply and the power supply selection switch 102 respectively, the voltage stabilization converter 101 is also electrically connected with the power supply selection switch 102 through the vehicle-mounted power supply management module 103 and the standby power supply 104 which are connected with each other, and the power supply selection switch 102 is electrically connected with a first control unit 201. In the present embodiment, under normal conditions, the vehicle-mounted power supply directly supplies power to the control device 2 through the power selection switch 102 in the power supply device 1, and simultaneously charges the backup power supply 104 through the vehicle-mounted power management module 103; when the vehicle-mounted power supply fails to supply power in an accident, the standby power supply 104 supplies power to the control device 2 through the power selection switch 102. Preferably, the backup power source 104 may employ a lithium battery.
Specifically, the first control unit 201 and the second control unit 301 can select chips of model STM32L011F3, such chips are powerful, the ultra-low power consumption can adapt to various environments at the same time, and the receivable operating voltage of such chips is 3.3V, so that the power supply device 1 is provided with the first voltage reduction module 105 and the second voltage reduction module 106 which are connected with each other, the power selection switch 102 is connected with the control device 2 by being connected with the first voltage reduction module 105, the first voltage reduction module 105 can reduce the voltage to 5V and supply power to the control device 2, the first voltage reduction module 105 is connected with the first control unit 201 by the second voltage reduction module 106, and the second voltage reduction module 106 can reduce the voltage to 3.3V and supply power to the first control unit 201. Preferably, the first voltage-reducing module 105 may be a DC-DC voltage-reducing circuit, and the second voltage-reducing module may be a low dropout regulator (LDO) voltage regulator circuit.
Meanwhile, the handheld wireless controller 3 comprises a storage battery 302 capable of supplying power to the handheld wireless controller and a boosting module 306 capable of boosting the voltage, wherein the boosting module 306 can boost the voltage to 3.3V to supply power to the second control unit 301, and preferably, the storage battery 302 can adopt dry batteries (such as a No. 5 battery, a No. 7 battery and the like).
Further, the wireless receiving unit 207 is connected with a first antenna 211 for receiving signals, and the first antenna 211 is arranged on the top of the carrying vehicle, so as to obtain better signals; the wireless transmitting unit 305 is connected with a second antenna 307 for transmitting signals, and the second antenna 307 is a built-in antenna so as to save space. Furthermore, the wireless receiving unit 207 employs a 433 wireless transmitting module with an operating frequency of 433Mhz, and the wireless transmitting unit also employs a 433 wireless receiving module with an operating frequency of 433 Mhz. Specifically, the built-in antenna is a copper helical antenna.
In addition, the control functions of the operating device 303 include a wake-up command for waking up the handheld wireless controller 3, a valve-close command for controlling the closing of the pipeline valve, and a sleep command for controlling the sleep of the handheld wireless controller 3. The handheld wireless controller 3 can be started by the wake-up instruction, and the handheld wireless controller 3 can be kept in a low-power-consumption state by the sleep instruction, so that electric energy is saved. Meanwhile, the handheld wireless controller 3 is further provided with an indicator lamp 304 for displaying the working state, the indicator lamp 304 is electrically connected with the second control unit 301, and the second control unit 301 displays the working state of the handheld wireless controller 3 through the indicator lamp 304. Further, the indicator 304 may display different operation states by using different numbers of lamps, different shapes, different colors, different flashing states, etc.
According to the utility model discloses a delivery vehicle's valve position monitored control system can know delivery vehicle's situation of going in real time, and the switching state that can real-time supervision pipeline valve simultaneously sends alarm signal to abnormal condition, and when the vehicle took place emergency, the pipeline valve was closed in the long-range wireless controller of accessible was handed in addition, avoided the staff closely to be close to delivery vehicle and met danger, reduced the potential safety hazard.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.