CN221705199U - Quantitative filling device for tank car - Google Patents

Abstract

The utility model provides a tank wagon ration filling device, including: the device comprises a safety protection device, a detection device, an electromagnetic valve, a flowmeter, a manual filling valve and a main controller; the liquefied gas storage tank in the field is provided with an output port, and the pipeline is provided with an input port and an output port; the main controller comprises a plurality of signal input ends and signal output ends; the output port of the liquefied gas storage tank is connected with the input port of the pipeline, and the output port of the pipeline is connected with the liquefied gas input port of the tank wagon; the detection device, the manual filling valve, the electromagnetic valve and the flowmeter are arranged on the pipeline, the detection device and the flowmeter are respectively connected with the signal input end of the main controller, the signal output end of the main controller is connected with the electromagnetic valve, the main controller obtains the filling amount of the liquefied gas filled into the tank wagon according to the data detected by the detection device and the data detected by the flowmeter, and the electromagnetic valve is controlled to be closed for filling immediately after the filling amount of the liquefied gas reaches the set filling amount or the liquid level of the tank wagon reaches the safe liquid level. The utility model can accurately control the filling of the liquefied gas.

Description

A quantitative filling device for tank truck

Technical Field

The utility model relates to the technical field of quantitative filling of tank trucks, in particular to a quantitative filling device for tank trucks.

Background Art

In liquefied gas stations, natural gas stations, chemical plants and other sites, accurate quantitative filling and safe control of gas are crucial. However, traditional filling devices have problems such as inaccurate measurement, cumbersome operation and potential safety hazards.

Utility Model Content

The utility model aims to provide a quantitative filling device for a tank truck, which is used to overcome the shortcomings and deficiencies in the prior art.

One embodiment of the utility model provides a safety protection device, a detection device, a solenoid valve, a manual filling valve, a flow meter and a main controller;

The liquefied gas storage tank includes an output port, and the pipeline includes an input port and an output port; the main controller includes a plurality of signal input ports and signal output ports;

The output port of the liquefied gas storage tank is connected to the input port of the pipeline, and the output port of the pipeline is connected to the liquefied gas input port of the tank truck;

The solenoid valve and the manual filling valve are located in two pipelines;

The detection device, the solenoid valve and the flow meter are installed on the pipeline, the safety protection device, the detection device and the flow meter are respectively connected to the signal input end of the main controller, the signal output end of the main controller is connected to the solenoid valve, the main controller obtains the filling amount of liquefied gas filled into the tank truck according to the data detected by the safety protection device and the data detected by the flow meter, and immediately controls the solenoid valve to close the filling when the liquefied gas filling amount reaches the set filling amount or the liquefied gas liquid level in the tank truck reaches the safe liquid level.

Further, the detection device includes a temperature sensor and a pressure sensor; the temperature sensor and the pressure sensor are respectively connected to the signal input end of the main controller; the main controller obtains the temperature of the liquefied gas in the pipeline according to the temperature sensor and the pressure of the liquefied gas in the pipeline according to the pressure sensor, and immediately controls the closing of the solenoid valve when the temperature exceeds the set range or the pressure exceeds the set range;

The main controller obtains the temperature of the liquefied gas in the pipeline according to the temperature sensor and the pressure of the liquefied gas in the pipeline according to the pressure sensor, and the medium density can be obtained according to the temperature and pressure data, and the accumulated flow can be obtained according to the flow meter, and the weight of the filled liquefied gas can be further calculated.

Furthermore, the output port of the pipeline is provided with a filling connector, and the filling connector is provided with a liquid level sensing switch; the liquid level sensing switch is connected to the signal input end of the main controller, and the main controller controls the closing of the solenoid valve according to the liquid level sensing data of the liquid level sensing switch to achieve the purpose of safe filling.

Furthermore, the safety protection device includes a plurality of concentration leakage detection sensors, an audible and visual alarm, a temperature sensor and a pressure sensor. The plurality of concentration leakage detection sensors are respectively arranged around the liquefied gas storage tank, the pipeline and the tank truck to detect leakage of liquefied gas. When the measured temperature and the measured pressure exceed the safety range, the solenoid valve is triggered to close and the audible and visual alarm is triggered to sound an alarm.

The several concentration leakage detection sensors are respectively connected to the signal input end of the main controller, and the output end of the main controller is connected to the sound and light alarm; the main controller controls the alarm of the sound and light alarm and the closing of the solenoid valve according to the liquefied gas leakage detection data of the several concentration leakage detection sensors.

Further, the pipeline includes a first sub-pipeline and a second sub-pipeline, one end of the first sub-pipeline and one end of the second sub-pipeline are respectively connected to the liquefied gas storage tank via the input port of the pipeline, and the other end of the first sub-pipeline and the other end of the second sub-pipeline are respectively connected to the liquefied gas input port of the tank truck via the output port of the pipeline;

The detection device, the solenoid valve and the flow meter are installed in the first sub-pipeline, and the manual filling valve is set in the second sub-pipeline. When the manual filling valve is opened, the second sub-pipeline is connected, and when the manual filling valve is closed, the second sub-pipeline is closed. When the first sub-pipeline fails, the second sub-pipeline can be used for filling to prevent production from being affected by equipment failure.

Furthermore, it also includes a liquid crystal screen, the main controller is a high-performance processor, the high-performance processor includes a signal interaction end, the liquid crystal screen is connected to the signal interaction end of the high-performance processor, and the liquid crystal screen is used to input operation signals to the high-performance processor and display the picture signals output by the high-performance processor to achieve human-computer interaction.

Furthermore, it also includes a PVC key panel, the high-performance processor includes a signal input end, the PVC key panel is connected to the signal input end of the high-performance processor, and the PVC key panel is used to input operation signals to the high-performance processor to achieve human-computer interaction.

Furthermore, it also includes a large-capacity data storage circuit and a precision clock circuit, and the large-capacity data storage circuit and the precision clock circuit are respectively connected to the signal interaction end of the high-performance processor.

Further, network connection modules, local computers, cloud servers, mobile terminals and management department equipment;

The signal interaction end of the high-performance processor is connected to the local computer or the cloud server via the network connection module; the local computer is connected to the cloud server, and the cloud server is respectively connected to the mobile terminal and the equipment of the management department, so that the high-performance processor outputs display signals to the local computer, the cloud server, the mobile terminal and the equipment of the management department, and the high-performance processor receives operation signals input by the local computer, the cloud server, the mobile terminal and the equipment of the management department.

Furthermore, the network connection module includes a serial port to WIFI/Ethernet module and a serial port to 4G module, the high-performance processor is connected to the local computer via the serial port to WIFI/Ethernet module, and the high-performance processor is connected to the cloud server via the serial port to 4G module.

Compared with the prior art, the quantitative filling device for a tank truck of the utility model can calculate the flow rate or weight of the liquefied gas delivered to the tank truck via the pipeline through the detection device and the flow meter, so as to control the switch of the solenoid valve according to the flow rate or weight of the liquefied gas delivered to the tank truck, and can accurately control the closing and filling of the filling solenoid valve to realize automatic stopping of the filling process, thereby ensuring that the amount of liquefied gas filled meets the set requirements, and can also measure and record the filling weight, pressure, flow rate and other parameters in real time to ensure the accuracy and safety of the filling process.

In order to more clearly understand the present invention, the specific implementation of the present invention will be described below in conjunction with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a quantitative filling device for a tank truck according to an embodiment of the present invention.

FIG. 2 is a connection diagram of a high-performance processor according to an embodiment of the present invention.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to FIG1, which is a schematic diagram of the structure of a tank truck quantitative filling device according to an embodiment of the present utility model, comprising: a safety protection device, a detection device, a solenoid valve, a flow meter and a main controller; the liquefied gas storage tank comprises an output port, the pipeline comprises an input port and an output port; the main controller comprises a plurality of signal input terminals and signal output terminals;

The output port of the liquefied gas storage tank is connected to the input port of the pipeline, and the output port of the pipeline is connected to the liquefied gas input port of the tank truck; the detection device, the solenoid valve and the flow meter are installed on the pipeline, and the safety protection device, the detection device and the flow meter are respectively connected to the signal input end of the main controller, and the signal output end of the main controller is connected to the solenoid valve. The main controller obtains the liquefied gas filling amount filled into the tank truck according to the data detected by the safety protection device and the data detected by the flow meter, and immediately controls the solenoid valve to close the filling after the liquefied gas filling amount reaches the set filling amount or the liquefied gas liquid level in the tank truck reaches the safe liquid level.

Wherein, the detection device includes a temperature sensor and a pressure sensor; the temperature sensor and the pressure sensor are respectively connected to the signal input end of the main controller; the main controller controls the switch of the solenoid valve according to the liquefied gas temperature sensing data of the temperature sensor and the in-pipe hydraulic pressure sensing data of the pressure sensor.

Specifically, the density of the liquefied gas corresponding to the current temperature and the current pressure in the pipeline can be obtained according to the temperature data detected by the temperature sensor and the pressure data detected by the pressure sensor. The accumulated flow and weight of the delivered liquefied gas can be obtained by combining the accumulated flow detected by the flow meter. The main controller obtains the temperature of the liquefied gas in the pipeline according to the temperature sensor and the pressure of the liquefied gas in the pipeline according to the pressure sensor, and immediately controls the closing of the solenoid valve when the temperature exceeds the set range or the pressure exceeds the set range; the main controller obtains the temperature of the liquefied gas in the pipeline according to the temperature sensor and the pressure of the liquefied gas in the pipeline according to the pressure sensor, and can obtain the medium density according to the temperature and pressure data, and can obtain the accumulated flow according to the flow meter, and can further calculate the weight of the filled liquefied gas.

Compared with the prior art, the quantitative filling device for a tank truck of the utility model can calculate the flow rate or weight of the liquefied gas delivered to the tank truck via the pipeline through the detection device and the flow meter, so as to control the switch of the solenoid valve according to the flow rate or weight of the liquefied gas delivered to the tank truck. The solenoid valve can be accurately controlled to close the filling, and the filling process can be automatically stopped to ensure that the amount of liquefied gas filled meets the set requirements. The filling weight, pressure, flow rate and other parameters can also be measured and recorded in real time to ensure the accuracy and safety of the filling process.

In a feasible embodiment, the output port of the pipeline is provided with a filling connector, and the filling connector is provided with a liquid level sensing switch; the liquid level sensing switch is connected to the signal input end of the main controller, and the main controller controls the closing of the solenoid valve according to the liquid level sensing data of the liquid level sensing switch to achieve the purpose of safe filling.

In a feasible embodiment, the output port of the pipeline is provided with a filling connector, and the filling connector is provided with a liquid level sensing switch; the liquid level sensing switch is connected to the signal input end of the main controller, and the main controller controls the switch of the solenoid valve according to the liquid level sensing data of the liquid level sensing switch.

The safety protection device includes a plurality of concentration leakage detection sensors, an audible and visual alarm, a temperature sensor and a pressure sensor. The plurality of concentration leakage detection sensors are respectively arranged around the liquefied gas storage tank, the pipeline and the tank truck to detect leakage of liquefied gas. When the measured temperature and the measured pressure exceed the safety range, the solenoid valve is triggered to close and the audible and visual alarm is triggered to sound an alarm.

The several concentration leakage detection sensors are respectively connected to the signal input end of the main controller, and the output end of the main controller is connected to the sound and light alarm; the main controller controls the alarm of the sound and light alarm and the closing of the solenoid valve according to the liquefied gas leakage detection data of the several concentration leakage detection sensors.

When the concentration leakage detection sensor detects a liquefied gas leak, the main controller will cut off the power supply of the filling equipment and related equipment, and control the sound and light alarm to emit a sound alarm and a light alarm. When the temperature detected by the temperature sensor exceeds a preset temperature threshold, or the pressure detected by the pressure sensor exceeds a preset pressure threshold, the main controller will also cut off the power supply of the filling equipment and related equipment, and control the sound and light alarm to emit a sound alarm and a light alarm.

In a feasible embodiment, the pipeline includes a first sub-pipeline and a second sub-pipeline, one end of the first sub-pipeline and one end of the second sub-pipeline are respectively connected to the liquefied gas storage tank via the input port of the pipeline, and the other end of the first sub-pipeline and the other end of the second sub-pipeline are respectively connected to the liquefied gas input port of the tank truck via the output port of the pipeline;

The detection device, the solenoid valve and the flow meter are installed in the first sub-pipeline, and the second sub-pipeline is provided with a manual filling valve. When the manual filling valve is opened, the second sub-pipeline is connected, and when the manual filling valve is closed, the second sub-pipeline is closed. When the first sub-pipeline fails, the second sub-pipeline can be used for filling to prevent production from being affected by equipment failure.

Please refer to Figure 2. In a feasible embodiment, it also includes a LCD screen. The main controller is a high-performance processor. The high-performance processor includes a signal interaction end. The LCD screen is connected to the signal interaction end of the high-performance processor. The LCD screen is used to input operation signals to the high-performance processor and display the picture signals output by the high-performance processor to achieve human-computer interaction.

In a feasible embodiment, it also includes a PVC key panel, the high-performance processor includes a signal input end, the PVC key panel is connected to the signal input end of the high-performance processor, and the PVC key panel is used to input operation signals to the high-performance processor to achieve human-computer interaction.

In a feasible embodiment, it also includes a large-capacity data storage circuit and a precision clock circuit, and the large-capacity data storage circuit and the precision clock circuit are respectively connected to the signal interaction end of the high-performance processor.

In a feasible embodiment, a network connection module, a local computer, a cloud server, a mobile terminal, and equipment of an administrative department;

The signal interaction end of the high-performance processor is connected to the local computer or the cloud server via the network connection module; the local computer is connected to the cloud server, and the cloud server is respectively connected to the mobile terminal and the equipment of the management department, so that the high-performance processor outputs display signals to the local computer, the cloud server, the mobile terminal and the equipment of the management department, and the high-performance processor receives operation signals input by the local computer, the cloud server, the mobile terminal and the equipment of the management department. This allows users to interact with the high-performance processor through a local computer, or to interact with the high-performance processor remotely through a cloud server, a mobile terminal or the equipment of the management department.

In a feasible embodiment, the network connection module includes a serial port to WIFI/Ethernet module and a serial port to 4G module, the high-performance processor is connected to the local computer via the serial port to WIFI/Ethernet module, and the high-performance processor is connected to the cloud server via the serial port to 4G module.

In summary, the quantitative filling device for tank trucks provided by the utility model has the following advantages:

(1) The device is equipped with accurate flow meters, solenoid valves and pressure sensors, which can measure and record the filling weight, pressure, flow rate and other parameters in real time to ensure the accuracy and safety of the filling process.

(2) The device can automatically control the filling process through the main controller. The main controller accurately controls the closing of the filling solenoid valve according to the preset target filling flow or weight, and automatically stops the filling process to ensure that the set requirements are met.

(3) The device is equipped with pressure sensors, temperature sensors and concentration leakage detection sensors, which can monitor the pressure, temperature and leakage during the filling process in real time. Once an abnormal situation is detected, such as pressure exceeding the safety threshold or leakage, the main controller will automatically cut off the power supply of the filling equipment and related equipment and drive the sound and light alarm to sound an alarm to ensure safety.

(4) The device can record key parameters during the filling process and generate corresponding data reports. Through data analysis and statistics, operation management and quality control can be carried out to improve the traceability and management level of the filling process.

(5) The device can realize remote monitoring and control of the filling process. By connecting to the network, the operator can remotely monitor the filling process, make settings and adjust parameters, and improve the convenience and flexibility of operation.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A quantitative filling device for a tank truck, characterized in that it includes: a safety protection device, a detection device, a solenoid valve, a manual filling valve, a flow meter and a main controller; The liquefied gas storage tank includes an output port, and the pipeline includes an input port and an output port; the main controller includes a plurality of signal input ports and signal output ports; The output port of the liquefied gas storage tank is connected to the input port of the pipeline, and the output port of the pipeline is connected to the liquefied gas input port of the tank truck; The solenoid valve and the manual filling valve are located in two pipelines; The detection device, the solenoid valve and the flow meter are installed on the pipeline, the safety protection device, the detection device and the flow meter are respectively connected to the signal input end of the main controller, the signal output end of the main controller is connected to the solenoid valve, the main controller obtains the filling amount of liquefied gas filled into the tank truck according to the data detected by the safety protection device and the data detected by the flow meter, and immediately controls the solenoid valve to close the filling when the liquefied gas filling amount reaches the set filling amount or the liquefied gas liquid level in the tank truck reaches the safe liquid level. 2. The quantitative filling device for a tank truck according to claim 1, characterized in that: the detection device comprises a temperature sensor and a pressure sensor; the temperature sensor and the pressure sensor are respectively connected to the signal input end of the main controller; The main controller obtains the temperature of the liquefied gas in the pipeline according to the temperature sensor and the pressure of the liquefied gas in the pipeline according to the pressure sensor, and immediately controls the closing of the solenoid valve when the temperature exceeds the set range or the pressure exceeds the set range; The main controller obtains the temperature of the liquefied gas in the pipeline according to the temperature sensor and the pressure of the liquefied gas in the pipeline according to the pressure sensor, and the medium density can be obtained according to the temperature and pressure data, and the accumulated flow can be obtained according to the flow meter, and the weight of the filled liquefied gas can be further calculated. 3. The quantitative filling device of a tank truck according to claim 1 is characterized in that: a filling connector is provided at the output port of the pipeline, and a liquid level sensing switch is provided on the filling connector; the liquid level sensing switch is connected to the signal input end of the main controller, and the main controller controls the closing of the solenoid valve according to the liquid level sensing data of the liquid level sensing switch to achieve the purpose of safe filling. 4. The quantitative filling device for a tank truck according to claim 3 is characterized in that: the safety protection device comprises a plurality of concentration leakage detection sensors, an audible and visual alarm, a temperature sensor, a pressure sensor and a liquid level sensing switch, the plurality of concentration leakage detection sensors are respectively arranged around the liquefied gas storage tank, the pipeline and the tank truck to detect leakage of liquefied gas, and the solenoid valve is triggered to close and alarm when the measured temperature and the measured pressure exceed the safety range; The several concentration leakage detection sensors are respectively connected to the signal input end of the main controller, and the output end of the main controller is connected to the sound and light alarm; the main controller controls the alarm of the sound and light alarm and the closing of the solenoid valve according to the liquefied gas leakage detection data of the several concentration leakage detection sensors. 5. The quantitative filling device of a tank truck according to claim 1, characterized in that: the middle part of the pipeline included in the pipeline is a first sub-pipeline and a second sub-pipeline, one end of the first sub-pipeline and one end of the second sub-pipeline are respectively connected to the liquefied gas storage tank via the input port of the pipeline, and the other end of the first sub-pipeline and the other end of the second sub-pipeline are respectively connected to the liquefied gas input port of the tank truck via the output port of the pipeline; The detection device, the solenoid valve and the flow meter are installed in the first sub-pipeline, and the manual filling valve is set in the second sub-pipeline. When the manual filling valve is opened, the second sub-pipeline is connected, and when the manual filling valve is closed, the second sub-pipeline is closed. When the first sub-pipeline fails, the second sub-pipeline can be used for filling to prevent production from being affected by equipment failure. 6. The quantitative filling device of a tank truck according to claim 1 is characterized in that it also includes a liquid crystal screen, the main controller is a high-performance processor, the high-performance processor includes a signal interaction end, the liquid crystal screen is connected to the signal interaction end of the high-performance processor, and the liquid crystal screen is used to input operation signals to the high-performance processor and display the picture signals output by the high-performance processor to realize human-computer interaction. 7. The quantitative filling device of a tank truck according to claim 6 is characterized in that it also includes a PVC key panel, the high-performance processor includes a signal input end, the PVC key panel is connected to the signal input end of the high-performance processor, and the PVC key panel is used to input operation signals to the high-performance processor to achieve human-computer interaction. 8. The quantitative filling device of a tank truck according to claim 6 is characterized in that it also includes a large-capacity data storage circuit and a precision clock circuit, and the large-capacity data storage circuit and the precision clock circuit are respectively connected to the signal interaction end of the high-performance processor. 9. The quantitative filling device for tank trucks according to claim 6 is characterized by: a network connection module, a local computer, a cloud server, a mobile terminal and equipment of the management department; The signal interaction end of the high-performance processor is connected to the local computer or the cloud server via the network connection module; the local computer is connected to the cloud server, and the cloud server is respectively connected to the mobile terminal and the equipment of the management department, so that the high-performance processor outputs display signals to the local computer, the cloud server, the mobile terminal and the equipment of the management department, and the high-performance processor receives operation signals input by the local computer, the cloud server, the mobile terminal and the equipment of the management department. 10. The tank truck quantitative filling device according to claim 9 is characterized in that: the network connection module includes a serial port to WIFI/Ethernet module and a serial port to 4G module, the high-performance processor is connected to the local computer via the serial port to WIFI/Ethernet module, and the high-performance processor is connected to the cloud server via the serial port to 4G module.