CN201990123U - Anti-theft alarm for oil storage tanks in oil field stations - Google Patents
Anti-theft alarm for oil storage tanks in oil field stations Download PDFInfo
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- CN201990123U CN201990123U CN2011200444767U CN201120044476U CN201990123U CN 201990123 U CN201990123 U CN 201990123U CN 2011200444767 U CN2011200444767 U CN 2011200444767U CN 201120044476 U CN201120044476 U CN 201120044476U CN 201990123 U CN201990123 U CN 201990123U
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Abstract
The utility model discloses an anti-theft alarm for oil storage tanks in oil field stations. The anti-theft alarm comprises a processor unit, the processor unit is respectively connected with a communication interface unit, a memory unit, an alarming channel unit, a digital quantity processing unit and an analog quantity processing unit; the analog quantity processing unit is connected with a liquid level sensor of the oil storage tank; the processor unit is used for monitoring the liquid level of the oil storage tank on time through the analog quantity processing unit; and when the liquid level is abnormal, information is sent to a main-control center through the communication interface unit, and warning signals are sent out through the alarming channel unit at the same time. The utility model has the advantages that the anti-theft alarm can efficiently monitor the liquid level of the on-site oil storage tank all the time during 24 hours of a day, and can give the alarming signals automatically when oil is stolen.
Description
Technical field
The utility model relates to a kind of burglar alarm, is used for the oil field website petrol storage tank burglar alarm of monitoring in real time in particularly a kind of process of oil production.
Background technology
In the production process in oil field, petrol storage tank is the crude oil that is used for temporarily storing production process.Petrol storage tank generally all is placed in hard to get to open-air or each production team, and these petrol storage tanks usually all are in unattended state, and any automatically-monitored equipment is not installed yet.Along with the rising of international oil price, these suffer from lawless person's stolen repeatedly without any the petrol storage tank of anti-theft measure, more and more frequent along with the stolen phenomenon, and great economic loss has been born by field produces enterprise.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of being used for to monitor the petrol storage tank liquid level in real time, prevents the oil field website petrol storage tank burglar alarm of stolen.
In order to solve above technical matters, the utility model provides a kind of oil field website petrol storage tank burglar alarm, if a processor unit is connected with communication interface unit, memory cell, warning channel unit, digital quantity processing unit and analog quantity processing unit respectively, the level sensor of analog quantity processing unit and petrol storage tank is connected, processor unit detects the liquid level of petrol storage tank on time by the analog quantity processing unit, when liquid level is unusual, send information to Master Control Center by communication interface unit, send alerting signal by the warning channel unit simultaneously.
Described warning channel unit is provided with the GPRS chip and is connected with SIM with processor unit respectively, and other is provided with aerotron Q1 and is connected with the LIGHT pin of GPRS chip, and Q2 is connected with the PWRKEY pin of GPRS chip.
Described analog quantity processing unit is the dc amplification circuit that is provided with a plurality of collection 4～20mA current signals and 0～5V voltage signal, switches by relay behind collection current signal or the voltage signal.
Described digital quantity processing unit is to be provided with a plurality of optically-coupled buffer circuit inputs to be connected with processor unit respectively, and output connects and composes multiple I/O mode with a plurality of relays.
Described communication interface unit is provided with RS232 chip and CAN chip, is connected with processor unit respectively.
The utility model is used for the petrol storage tank level value of collection site, by gathering the petrol storage tank liquid level signal on 4～20mA electric current, 0～5V voltage, RS485 bus, the CAN bus, and signal conversion is demarcated into the level value of petrol storage tank, by the warning channel unit liquid level data is sent to long-range monitoring and control centre then, if generation stolen phenomenon, then horse back alarm.
Superior effect of the present utility model is:
1) can be in real time effectively carry out whole day uninterrupted monitoring in 24 hours to the petrol storage tank liquid level at scene, the user monitors the situation of change of oil tank level at remote monitoring center in real time by cartoon picture, provides alarm when the stolen phenomenon takes place automatically;
2) support the several data acquisition mode, both supported analog acquisition, also can come to obtain liquid level data by number bus with on-the-spot liquid level emasuring device communication; The analog quantity of supporting has 4～20mA electric current, 0～5V voltage signal; The number bus of supporting has RS485, CAN, RS232 etc.;
3) high-capacity memory cell had both had built-in high capacity FLASH storage chip, also had Micro SD card, and maximum can be supported the SD card of 8G, has also developed the general-duty file system and support depositing and inquiring about of data on a large amount of memory cell;
4) support multiple warning passage, except carrying the GPRS type of alarm, also support ZIGBEE, multiple type of alarm such as ethernet;
5) support online firmware updating program, support online by USB firmware updating program.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Fig. 2 is a schematic circuit block diagram of the present utility model;
Fig. 3 is the circuit diagram of warning channel unit of the present utility model;
Fig. 4 is the circuit diagram of communication interface unit of the present utility model;
Fig. 5 is the circuit diagram of memory cell of the present utility model;
Fig. 6 is the circuit diagram of digital quantity processing unit of the present utility model;
Fig. 7 is the circuit diagram of analog quantity processing unit of the present utility model;
Fig. 8 is the utility model workflow diagram;
The number in the figure explanation
1-processor unit; 2-communication interface unit;
3-analog quantity processing unit; 4-digital quantity processing unit;
5-memory cell; 6-warning channel unit;
7-power subsystem unit.
The specific embodiment
See also shown in the accompanying drawing, the utility model will be further described.
As shown in Figure 1, the utility model provides a kind of oil field website petrol storage tank burglar alarm, if a processor unit 1 is connected with communication interface unit 2, memory cell 5, warning channel unit 6, digital quantity processing unit 4 and analog quantity processing unit 3 respectively, the level sensor of analog quantity processing unit 3 and petrol storage tank is connected, processor unit 1 detects the liquid level of petrol storage tank on time by analog quantity processing unit 3, when liquid level is unusual, send information to Master Control Center by communication interface unit 2, send alerting signal by warning channel unit 6 simultaneously.
As shown in Figure 2, processor unit 1 adopts 32 embedded processing chip U1A of low-power consumption, and stand-by power consumption is less than 1uA, and this chip internal carries high-capacity program Flash space, data Ram space, SPI interface, CAN interface, RS232 interface etc.
As shown in Figures 2 and 3, described warning channel unit 6 is provided with the GPRS chip and is connected with SIM with processor unit 1 respectively, other is provided with aerotron Q1 and is connected with the LIGHT pin of GPRS chip, and the LD1 indicator lamp is bright when the LIGHT port is high level, and the LD1 indicator lamp went out when the LIGHT port was low level; Q2 is connected with the PWRKEY pin of GPRS chip, GPRS chip U34 and 32 bit processor chip U1A pass through serial communication, need carry out reset operation to U34 in the chip U1A power-up initializing stage, make that by connecting the Q2 aerotron PWRKEY port of GPRS chip occurs closing the Q2 aerotron after the low level greater than 1S, after the delay of waiting for a period of time, check by the STATUS port of GPRS chip U34 whether initialization is successful.Described GPRS chip provides the connection and the management of GPRS data link, supports ICP/IP protocol, MODBUS agreement.
As shown in Figure 7, described analog quantity processing unit 3 is the dc amplification circuits that are provided with a plurality of collection 4～20mA current signals and 0～5V voltage signal, switches by relay behind collection current signal or the voltage signal.Analog quantity processing unit 3 is made up of the input of 8 road analog quantitys, input 4～20mA current signal, 0～-the 5V voltage signal, when input current signal, need short circuit wire jumper JP switch.
As shown in Figure 6, described digital quantity processing unit 4 is to be provided with a plurality of optically-coupled buffer circuit inputs to be connected with processor unit 1 respectively, and output connects and composes multiple I/O mode with a plurality of relays.The input that digital quantity processing unit 4 is isolated by 16 road photoelectricity, 4 road photoelectricity are isolated output, the output of No. 4 relays is formed.
As shown in Figure 4, described communication interface unit 2 is provided with RS232 chip U8 and CAN chip U7, is connected with processor unit respectively.RS232 chip U8 can be used for and the PC communication, and CAN chip U7 can be used for and on-the-spot liquidometer communication.Power subsystem unit 7 provides the power supply passage of two-way, wherein one the tunnel offers processor unit 1, memory cell 5 and Peripheral Interface, and another road is used to provide warning channel unit 6 required high-current supply.Except the power supply of 32 bit processor unit 1, the power supply of other parts can temporary close to lower the power consumption of system.
As shown in Figure 5, memory cell 5 provides two kinds of high capacity storage spaces, be exterior serial Flash chip U33 and Micro SD card, both can leave customer data in the exterior Flash chip in, also can leave in the Micro SD card, also carry file system to support the management of user's Large Volume Data.Flash chip U33 is used to preserve configuration information, and Micro SD card CN3 is used to preserve user's mass data, and it supports the storage card of 1G-8G.
The utility model is used for the petrol storage tank level value of collection site, by gathering the petrol storage tank liquid level signal on 4～20mA electric current, 0～5V voltage, RS485 bus, the CAN bus, and signal conversion is demarcated into the level value of petrol storage tank, by warning channel unit 6 liquid level data is sent to long-range monitoring and control centre then, if generation stolen phenomenon, then horse back alarm.
As shown in Figure 8, algorithm of the present utility model is as follows:
32 bit processor chip U1A by the circuit supervision power subsystem unit of chip itself, just begin the initialization of other functional modules of chip itself in the power-up initializing stage under the normal situation of power supply;
On the basis that the U1A chip initiation is finished, the U1A chip is provided with also initialization U33, Micro SD card by spi bus and U33 storage chip, Micro SD cartoon news, wherein reading or writing mode of sector adopted in the operation of storage chip U33, adopt for Micro SD card and on the basis of sector, to set up the FAT file system, just can adopt mode with PC data format compatibility to the management of data like this.When failing, initialization jumps to error handling processing automatically;
32 bit processor chip U1A send the power supply that the specific time sequence signal is opened GPRS chip U34, and under normal situation, GPRS chip U34 gives 32 bit processor chip U1A the one-tenth function signal by status port.Processor chips U1A waits for return signal send the order of GPRS network into after obtaining correct signal after, if the signal that a request allows is then returned in the request of GPRS network response GPRS chip U34, after obtaining the signal of asking to allow to network, processor chips U1A then sends GPRS network type and title, user name, password, check that at GPRS network returning a correct signal under the correct situation of all parameters gives GPRS chip U34, processor chips U1A obtains the notice that whether correctly networks by the status port of GPRS chip U34;
Step 4, error handling processing:
Under the situation of storage chip U33, the failure of Micro SD card initialization or GPRS chip U34 initialization failure, can enter error handling processing mechanism, send alerting signal by LED and buzzer phone, the type that the user can come failure judgement by the mode and the frequency of LED flicker;
The signal of step 5, collection U5, U6:
32 bit processor chip U1A gather the 35th, 36,15,16,17,18,33,34 voltage signal successively by the ADC conv that starts inside and carry, 32 bit processor chip U1A inside carry the multi-channel analog change-over swith, can realize gathering multichannel analog signals with 1 road ADC change-over circuit by this analog multiplexer;
Step 6, conversion are also demarcated the engineering value:
By gathering the signal of analog chip U5, U6,32 bit processor chip U1A obtain the data after the relevant voltage ADC conversion, and these data convert calibration value to by the quadratic curve of 32 bit processor chip U1A;
Occur unusual during 32 bit processor chip U1A image data, petrol storage tank promptly takes place sent alarm automatically by the stolen phenomenon, the passage of reporting to the police is to send by GPRS chip U34, and at first 32 bit processor chip U1A send unusual data value and type of alarm after GPRS chip U34 makes it enter mode of operation by waking up when noting abnormalities;
Step 8, system enter wait:
On handle, after all work, enter latent period, wait for the beginning of next time working.
Claims (5)
1. oil field website petrol storage tank burglar alarm, it is characterized in that: establish a processor unit and be connected with communication interface unit, memory cell, warning channel unit, digital quantity processing unit and analog quantity processing unit respectively, the level sensor of analog quantity processing unit and petrol storage tank is connected, processor unit detects the liquid level of petrol storage tank on time by the analog quantity processing unit, when liquid level is unusual, send information to Master Control Center by communication interface unit, send alerting signal by the warning channel unit simultaneously.
2. oil field according to claim 1 website petrol storage tank burglar alarm, it is characterized in that: described warning channel unit is provided with the GPRS chip and is connected with SIM with processor unit respectively, other is provided with aerotron Q1 and is connected with the LIGHT pin of GPRS chip, and Q2 is connected with the PWRKEY pin of GPRS chip.
3. oil field according to claim 1 website petrol storage tank burglar alarm, it is characterized in that: described analog quantity processing unit, be the dc amplification circuit that is provided with a plurality of collection 4～20mA current signals and 0～5V voltage signal, switch by relay behind collection current signal or the voltage signal.
4. oil field according to claim 1 website petrol storage tank burglar alarm, it is characterized in that: described digital quantity processing unit, be to be provided with a plurality of optically-coupled buffer circuit inputs to be connected with processor unit respectively, output connects and composes multiple I/O mode with a plurality of relays.
5. oil field according to claim 1 website petrol storage tank burglar alarm, it is characterized in that: described communication interface unit is provided with RS232 chip and CAN chip, is connected with processor unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200444767U CN201990123U (en) | 2011-02-23 | 2011-02-23 | Anti-theft alarm for oil storage tanks in oil field stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200444767U CN201990123U (en) | 2011-02-23 | 2011-02-23 | Anti-theft alarm for oil storage tanks in oil field stations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201990123U true CN201990123U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200444767U Expired - Lifetime CN201990123U (en) | 2011-02-23 | 2011-02-23 | Anti-theft alarm for oil storage tanks in oil field stations |
Country Status (1)
| Country | Link |
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| CN (1) | CN201990123U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069980A (en) * | 2011-02-23 | 2011-05-25 | 上海江润石油科技有限公司 | Burglar alarm for oil storage tank on oil field site |
| CN104048806A (en) * | 2014-06-05 | 2014-09-17 | 上海电力学院 | Multi-oil-tank data fusion leakage warning device and data processing method |
| CN109099310A (en) * | 2018-08-16 | 2018-12-28 | 湖北三江航天江北机械工程有限公司 | LNG storage tank prizes inner storage tank liquid level detection system and method |
-
2011
- 2011-02-23 CN CN2011200444767U patent/CN201990123U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069980A (en) * | 2011-02-23 | 2011-05-25 | 上海江润石油科技有限公司 | Burglar alarm for oil storage tank on oil field site |
| CN104048806A (en) * | 2014-06-05 | 2014-09-17 | 上海电力学院 | Multi-oil-tank data fusion leakage warning device and data processing method |
| CN109099310A (en) * | 2018-08-16 | 2018-12-28 | 湖北三江航天江北机械工程有限公司 | LNG storage tank prizes inner storage tank liquid level detection system and method |
| CN109099310B (en) * | 2018-08-16 | 2020-05-19 | 湖北三江航天江北机械工程有限公司 | Liquid level detection system and method for LNG storage tank prizing inner storage tank |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |