CN202331096U - Metering and monitoring device for low-power-consumption storage tank - Google Patents
Metering and monitoring device for low-power-consumption storage tank Download PDFInfo
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- CN202331096U CN202331096U CN201120454443XU CN201120454443U CN202331096U CN 202331096 U CN202331096 U CN 202331096U CN 201120454443X U CN201120454443X U CN 201120454443XU CN 201120454443 U CN201120454443 U CN 201120454443U CN 202331096 U CN202331096 U CN 202331096U
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- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000007726 management method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
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- 230000000007 visual effect Effects 0.000 description 2
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Abstract
The utility model provides metering and a monitoring device for a low-power-consumption storage tank. The metering and monitoring device comprises a main control board, a safety grid plate and an LCD (Liquid Crystal Display) touch screen, wherein the safety grid plate is connected with an RS485 interface arranged on the main control board through a circuit; a liquid level sensor is connected with the main control board through the safety grid plate; the LCD display touch screen is connected with an RS232 interface arranged on the main control board through a circuit; the main control board is provided with a plurality of output interfaces for connecting a valve/pump of the storage tank and an alarm; and a tube controller is connected with corresponding input and output ends on the main control board. Simple structure, low cost and low power consumption can be realized on the premise of realizing functions of metering and monitoring functions of the storage tank of an oil station, the metering and monitoring device is very convenient to use, and the working efficiency of working personnel can be increased greatly.
Description
Technical Field
The utility model relates to a be applied to in oil station or oil depot, simple structure, low power dissipation and convenient to use's storage tank measurement monitoring device.
Background
During the operation of a gas station, it is necessary to know various parameters of oil in a storage tank in real time, such as the oil level, water level, volume, temperature, quality, empty volume, etc. of the oil in the current tank, so as to make an oil inlet decision or an oil outlet decision. At present, the above important parameters are generally obtained by a manual direct measurement method or an industrial computer automatic metering method, but both measurement methods have certain defects.
The manual direct measurement method is a method for directly measuring the height of oil in the storage tank by using a dip rod and then calculating the volume and the quality according to a tank capacity table. The measuring method has the advantages of multiple working procedures and large workload, and the manual measurement directly depends on the subjective judgment of an oil measurer, so that the measured data is low in accuracy.
The computerized automatic metering method is a method for measuring a storage tank by an automatic metering system consisting of an industrial computer and a metering sensor arranged at a gas station. Although the automatic metering system has the characteristics of accurate measurement, quick calculation, good interaction of an operation interface, various functions and the like, the system has high cost and large power consumption, has higher requirements on working environment, even has the problem that workers use industrial computers to do other things, and is not beneficial to the management of a gas station.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a low power consumption tank metering and monitoring device, which has the advantages of accurate measurement, fast calculation, good man-machine interface, low cost, low power consumption and convenient use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a low-power consumption storage tank metering monitoring device is composed of a shell, an LCD display touch screen arranged on the surface of the shell and a control part arranged in the shell, and is characterized in that the control part comprises: the main control panel, the safety grid plate and the LED display panel; wherein,
the safety grid plate is connected with an RS485 interface circuit arranged on the main control plate; the signal output end of a liquid level sensor for measuring the liquid level of the storage tank is connected with the main control board through the safety grid plate;
the LCD display touch screen is connected with an RS232 interface circuit arranged on the main control panel;
and the data input/output end of the LED display panel is connected with the data input/output end of the main control panel through a data bus.
And the main control board is provided with a plurality of control signal output interfaces for connecting the valves/pumps of the storage tank and the alarm.
The main control board is connected with the pipe control machine through another RS232 interface;
the main control board is connected with the remote server through an Ethernet interface.
The utility model has the advantages that:
1. the LCD touch display screen can display various information and can also inquire and set the device in a touch mode;
2. the singlechip is used as a main control panel, so that the structure is simple, the cost is low, and the power consumption is low;
3. the system has configurable output nodes, and can control the pump and valve equipment of the storage tank as required to ensure the safety of the storage tank system;
4. when an alarm event occurs, the alarm information can be obtained from the vicinity of the equipment, and a special audible and visual alarm can be externally connected to realize remote delivery;
5. using an isolated controller interface to prevent the introduction of communication loop interference;
6. the manual checking function is supported, various calculation functions are supported, and the efficiency of workers is improved;
7. the import and export functions of system configuration are supported, and the work of operation and maintenance personnel is facilitated;
8. the functions of team inquiry, inventory inquiry and alarm inquiry are supported, and the visual display and the report generation can be realized;
9. various state data of the storage tank can be uploaded to a remote server, and management is facilitated.
Drawings
FIG. 1 is a schematic block diagram of a control part of the present invention;
FIG. 2 is a schematic diagram of a control portion of an embodiment of the present invention;
FIG. 3 is a schematic diagram of the main control board body circuit of FIG. 2;
fig. 4 is a flowchart of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model discloses a low-power consumption storage tank measurement monitoring device comprises casing, the LCD display touch-sensitive screen 3 of installing on housing face and the control part of installing in the casing, and its core block is the control part of installing in the casing.
Fig. 1 is a schematic block diagram of the control part of the present invention. As shown in the figure, the control part of the utility model mainly comprises a main control board 1 and a safety grid plate 2; the safety grid plate 2 is connected with an RS485 interface circuit arranged on the main control board 1, the liquid level sensor 5 is connected with the main control board 1 through the safety grid plate 2 and used for collecting related data such as the oil level and the temperature of oil in the storage tank, processing the collected data and displaying the data through an LCD display touch screen, and meanwhile, the main control board 1 can also carry out parameter configuration on the liquid level sensor 5; the LCD display touch screen 3 is connected with an RS232 interface circuit arranged on the main control panel 1, and can display various parameters of the storage tank and set the monitoring device through the touch screen.
As shown in the figure, the main control board 1 may also be connected to the controller 6 through a data input/output end, and transmit various data to the controller. The main control panel 1 can also be provided with a plurality of output interfaces for connecting the valves/pumps 7 of the storage tank and the alarm 8 according to actual requirements, and when the parameters of the storage tank are abnormal, the alarm is given or the oil inlet/outlet valves/pumps are controlled to be opened or closed. The main control board 1 may also be connected to another LED display board 4 through another data input/output terminal. Because the LED display panel has lower power consumption, in order to reduce the power consumption, the LCD display touch screen 3 can be closed to enter a low power consumption state after the operation is not needed, and the display is carried out through the LED display panel 4.
The utility model discloses a theory of operation does:
the liquid level sensor 5 collects relevant data of an oil level, a water level, a temperature and the like of the storage tank in real time, the collected data are subjected to data processing through the safety grid plate 2 and then transmitted to the main control board 1, the main control board 1 converts the data into important parameters of the storage tank according to a certain algorithm, for example, the main control board 1 can convert the data collected by the sensor into the capacity and the volume parameters of an oil product according to a tank capacity table, and can control the LCD display touch screen 3 to display the relevant data of the storage tank.
The pipe control machine 6 can issue configuration information the utility model discloses, if configuration monitoring device's oil temperature limit value, oil level limit value, collection interval etc, the utility model discloses also can be with the relevant data upload of the storage tank received to the pipe control machine 6 for analysis monitoring. For example, management and control machine 6 can issue the oil level height/low limit value of storage tank and give the utility model discloses, when storage tank oil level height that main control board 1 gathered through level sensor 5/be less than this oil level height/low limit value, the valve/pump of the steerable corresponding storage tank of main control board 1 is closed or is opened, starts audible-visual annunciator simultaneously and reports to the police to remind the staff.
The utility model discloses also can be connected to corresponding data input/output end on the main control board 1 with remote server, through remote server control the utility model discloses an operation.
Fig. 2 is a schematic diagram of a control portion of an embodiment of the present invention, and fig. 3 is a schematic circuit diagram of the main control board in fig. 2. As shown in the figure, the main control board 1 uses STM32F107VCT chip from STMicroel electronics. The main control board 1 is provided with a FLASH data memory M25P16 for storing parameters of the storage tank such as oil height, water height, temperature, volume and quality; an EEPROM memory FM24CL64 is also arranged for storing the configuration parameters and the working parameters of the device; the main control board 1 is connected with the control machine 6 through an RS232 interface CN 1; the main control board 1 is connected with a remote server through an Ethernet interface JP 5; the control signal output interfaces N1 to N6 of the main control panel 1 can be connected with the valves/pumps 7 of the six storage tanks; the main control panel 1 is also provided with a buzzer, and when an alarm event occurs, the buzzer rings to remind the staff of performing external treatment.
The input voltage of the main control board 1 is 24V, and the main control board can supply power for other control boards of the device.
In the above embodiments, the present invention uses a security grid manufactured by shanghai morning bamboo instruments ltd, model number GS 8093B-EX; the liquid level sensor uses a magnetostrictive liquid level meter of American MTS company; the LCD display touch screen uses an NH080ZN02-II type color industrial liquid crystal display of Beijing Ning and Songyang science and technology development Limited, the display touch screen can be used for displaying a large amount of information such as state information, inventory conditions, oil inlet reports, alarm time and content of each storage tank, states of each output node, team information of gas stations and the like in a graphic mode, and workers can also set the storage tanks, arrange work teams, manage oil products, inquire a tank table, calibrate time and the like through the display touch screen.
Fig. 4 is a flowchart of the present invention. As shown, the present invention reads configuration and initializes the system 210 after the boot 200; when the system is in normal operation, firstly judging whether a display updating event 220 occurs, if so, updating the content 221 of the LCD display touch screen, otherwise, judging whether touch screen data 230 is received, namely whether a worker touches the LCD display touch screen, if so, processing the touch screen data and updating the system state 231, if not, judging whether a command 240 of the management controller is received, if so, processing the command 241 of the management controller, if not, judging whether a network command 250 is received, namely, whether a remote server issues a control command to the system, if so, processing the network command 251, if not, judging whether the network command reaches the timing time 260, namely, the system can regularly control the liquid level sensor to acquire the related data of the storage tank, if so, reading the data acquired by the liquid level sensor and storing all parameters 261 of the storage tank, if the timing time is not up, whether an alarm event 270 occurs is judged, if the alarm event occurs, the output node is modified, namely, an alarm is started or an oil inlet/outlet valve/pump is opened/closed, meanwhile, relevant information 271 of the alarm event is stored, such as alarm time, reason and the like, if no alarm event occurs, the system state 280 is updated, and the step 220 is returned again.
As shown in fig. 1 to fig. 3, in order to reduce the power consumption of the monitoring device, the present invention further includes an LED display panel 4 connected to the corresponding input/output terminal of the main control panel 1, in the above embodiment, the JP4 interface of the main control panel 1 is connected to the LED indication panel 4. When the device has no operation within a certain time, the LCD display touch screen 3 with relatively large power is turned off, and the simple states of the device, such as a power switch state, an alarm state, a communication state and the like, are displayed only by the LED lamps on the LED display panel 4.
In addition, in order to prevent the communication loop interference, an isolation module can be used for electrically isolating the pipe controller interface; the utility model discloses still support manual check function, various calculation function, the leading-in of system configuration and derive function and team's inquiry, stock inquiry, alarm inquiry and generate functions such as report form, can improve relevant staff's work efficiency widely.
To sum up, the utility model discloses under can realizing the measurement monitor function's of storage tank prerequisite, not only simple structure, with low costs, low power dissipation use also very convenient moreover, can improve staff's work efficiency widely.
The above description is the preferred embodiment of the present invention and the technical principle applied by the same, and for those skilled in the art, without departing from the spirit and scope of the present invention, any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all belong to the protection scope of the present invention.
Claims (4)
1. A low-power consumption storage tank metering monitoring device is composed of a shell, an LCD display touch screen arranged on the surface of the shell and a control part arranged in the shell, and is characterized in that the control part comprises: the main control panel, the safety grid plate and the LED display panel; wherein,
the safety grid plate is connected with an RS485 interface circuit arranged on the main control plate; the signal output end of a liquid level sensor for measuring the liquid level of the storage tank is connected with the main control board through the safety grid plate;
the LCD display touch screen is connected with an RS232 interface circuit arranged on the main control panel;
and the data input/output end of the LED display panel is connected with the data input/output end of the main control panel through a data bus.
2. A low power consumption tank gauging monitoring device according to claim 1, characterised in that: and the main control board is provided with a plurality of control signal output interfaces for connecting the valves/pumps of the storage tank and the alarm.
3. A low power consumption tank gauging monitoring device according to claim 2, characterised in that: and the main control board is connected with the pipe control machine through another RS232 interface.
4. A low power consumption tank gauging monitoring device according to claim 3, characterised in that: the main control board is connected with the remote server through an Ethernet interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120454443XU CN202331096U (en) | 2011-11-16 | 2011-11-16 | Metering and monitoring device for low-power-consumption storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120454443XU CN202331096U (en) | 2011-11-16 | 2011-11-16 | Metering and monitoring device for low-power-consumption storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202331096U true CN202331096U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120454443XU Expired - Fee Related CN202331096U (en) | 2011-11-16 | 2011-11-16 | Metering and monitoring device for low-power-consumption storage tank |
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| Country | Link |
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| CN (1) | CN202331096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111196047A (en) * | 2020-01-14 | 2020-05-26 | 苏州瑞意达机械设备有限公司 | Automatic accurate ratio and monitored control system |
-
2011
- 2011-11-16 CN CN201120454443XU patent/CN202331096U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111196047A (en) * | 2020-01-14 | 2020-05-26 | 苏州瑞意达机械设备有限公司 | Automatic accurate ratio and monitored control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20181116 |