CN103076058A - Diesel generator fuel consumption monitoring system - Google Patents
Diesel generator fuel consumption monitoring system Download PDFInfo
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Abstract
The invention discloses a diesel generator fuel consumption monitoring system, which comprises a plurality of diesel generators, and the diesel generators are connected with flow sensors. The diesel generator fuel consumption monitoring system is characterized in that: the diesel generator fuel consumption monitoring system also comprises a fuel consumption meter, which is connected with the flow sensors, and the fuel consumption meter acquires the flow data detected by the flow sensors, and is connected with an upper computer through ZigBee. The measurement accuracy of the diesel generator fuel consumption monitoring system is high, the subsequent test data processing ability of the diesel generator fuel consumption monitoring system is strong, a fuel supply pipeline does not need to be disassembled in the process of measurement, the detection method is simple, the cost is low, and therefore the diesel generator fuel consumption monitoring system has a broad market prospect.
Description
Technical field
The present invention relates to a kind of oil consumption monitoring system, be specifically related to a kind of diesel-driven generator fuel consume monitoring system.
Background technology
Diesel-driven generator is owing to having that the thermal efficiency is high, operating cost is low, reliability is high and sending the characteristics such as electrical power stabilization, usually as primary power or the standby power supply of the important events such as communication, military affairs, hospital.Its belongs to a type of private station AC power supply device, is middle-size and small-size independently generating set.Be specially adapted to the occasions such as oil field, mining area, forest zone, pastoral area and defence engineering that utility grid can not be transported to, in these occasions, require the diesel generation function independently-powered, the primary power that is used as power and throws light on.Fuel consumption is to estimate the important indicator of diesel-driven generator economic performance, also is one of important measurement parameter.To this, people have developed some fuel oil consumption measuring instrument tables, but existing fuel oil consumption measuring instrument table has the following disadvantages: 1. measuring accuracy is lower, and especially measuring error is very large under small-range; 2. instrument function is single, and the subsequent treatment of test data is indifferent; 3. detection method is complicated, when measurement instrument is concatenated into oil supply system, needs the dismounting oil feed line before measurement, causes cost higher.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of diesel-driven generator fuel consume monitoring system.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Diesel-driven generator fuel consume monitoring system, comprise some diesel-driven generators, described diesel-driven generator is connected with flow sensor, it is characterized in that, also comprise fuel consumption meter, fuel consumption meter links to each other with described flow sensor, the data on flows that fuel consumption meter acquisition stream quantity sensor detects, and fuel consumption meter links to each other with host computer by Zigbee.
Aforesaid diesel-driven generator fuel consume monitoring system, it is characterized in that, also comprise fuel tank, fuel tank is connected with oil inlet pipe and flowline, flowline is connected with the oiler of some diesel-driven generators by fuel delivery line, and the oiler of described oil inlet pipe, flowline, diesel-driven generator is connected with flow sensor.
Aforesaid diesel-driven generator fuel consume monitoring system is characterized in that described flow sensor is turbine flow transducer.
Aforesaid diesel-driven generator fuel consume monitoring system is characterized in that, described fuel consumption meter connects the Zigbee router, and described host computer connects the Zigbee telegon.
Aforesaid diesel-driven generator fuel consume monitoring system, it is characterized in that, described fuel consumption meter comprises the PLC module, described PLC module connects signal processing module, clock module, display module and memory module, described fuel consumption meter is connected with flow sensor by signal processing module, and described fuel consumption meter is connected with power module.
Aforesaid diesel-driven generator fuel consume monitoring system, it is characterized in that, described fuel consumption meter comprises text PLC all-in-one, described text PLC all-in-one comprises PLC module, signal processing module, clock module and display module, the PLC module is connected with signal processing module, clock module and display module, described text PLC all-in-one connects memory module by the PLC module, and described fuel consumption meter is connected with flow sensor by signal processing module, and described fuel consumption meter is connected with power module.
Aforesaid diesel-driven generator fuel consume monitoring system is characterized in that, described memory module is SD card memory or USB flash memory driver.
Aforesaid diesel-driven generator fuel consume monitoring system is characterized in that, the input end of described power module connects alternating current, and output terminal comprises 24V dc output end and 5V dc output end.
Aforesaid diesel-driven generator fuel consume monitoring system is characterized in that, described 24V dc output end connection traffic sensor, PLC module, Zigbee router and Zigbee telegon, and described 5V dc output end connects memory module.
Aforesaid diesel-driven generator fuel consume monitoring system is characterized in that, is loaded with software management module on the described host computer, the data that described software management module is used for reception, analyzes and manage the diesel generation fuel consume.
Usefulness of the present invention is: a kind of diesel-driven generator fuel consume of the present invention monitoring system measuring accuracy is high, the subsequent treatment ability of test data is strong, does not need to dismantle oil feed line in the measuring process, and detection method is simple, cost is lower, therefore has boundless market outlook.
Description of drawings
Fig. 1 is the structural representation of diesel-driven generator fuel consume monitoring system of the present invention;
Fig. 2 is a kind of structural representation of fuel consumption meter in the power module of diesel-driven generator fuel consume monitoring system of the present invention;
Fig. 3 is the another kind of structural representation of fuel consumption meter in the power module of diesel-driven generator fuel consume monitoring system of the present invention;
Fig. 4 is the connection diagram of the power module of diesel-driven generator fuel consume monitoring system of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done concrete introduction.
With reference to shown in Figure 1, diesel-driven generator fuel consume monitoring system of the present invention, comprise some diesel-driven generators, diesel-driven generator is connected with flow sensor, also comprise fuel consumption meter, fuel consumption meter links to each other with flow sensor, the data on flows that fuel consumption meter acquisition stream quantity sensor detects, and fuel consumption meter links to each other with host computer by Zigbee.Shown in Figure 1ly be provided with three diesel-driven generators, can certainly be independent one, Liang Tai, four or more, the present invention is not limited.
Diesel-driven generator is connected with flow sensor among the present invention, and these flow sensors can detect the diesel oil amount that diesel-driven generator consumes.In addition, in order further to improve measuring accuracy, fuel consume monitoring system among the present invention can also comprise fuel tank, fuel tank is connected with oil inlet pipe and flowline, flowline is connected with the oiler of some diesel-driven generators by fuel delivery line, and the oiler of oil inlet pipe, flowline, diesel-driven generator is connected with flow sensor.The advantage that arranges like this is that it does not need to dismantle oil feed line as prior art, so detection method is simple, and cost is lower.As shown in Figure 1, be equipped with the flow sensor except the oiler at three diesel-driven generators like this, be provided with flow sensor at oil inlet pipe and the flowline of fuel tank.The oil inlet pipe of fuel tank and the flow sensor of flowline can be used for the detection to the each volume read-out of fuel tank and oil tank fuel total reduction.So just can increase the detection parameter, compare by the flow sensor that is connected with diesel-driven generator, can further improve measuring accuracy.
The present invention is the type of limited flow sensor not, and existing flow sensor mainly can be divided into following a few class by structural principle: positive displacement, vane type, differential pressure type, impulse type, momentum-type, ultrasonic sensor etc.Most of sensors can both be continuously, accumulative total is measured, but flow range and the flow error measured are different, and applicable environment is also different with condition.
Commonly used is speed mode flow sensor and volumetric flow sensor now.Obtain the flow sensor of fluid flow to measure rate of flow of fluid, be called the speed mode flow sensor.Its kind is a lot, and development in recent years is also very rapid, relatively typical case and commonly used turbine flow transducer, vortex flow sensors, electromagnetic flow transducer, ultrasonic flow sensor and thermal flow rate sensor etc. are arranged.
Utilize the mechanical measurement element that fluid continuously is divided into single known volume part, repeatedly be full of one by one and the number of times that discharges this volume segment fluid flow is measured the flow sensor of fluid volume total amount according to measuring chamber, be called volumetric flow sensor.
As preferably, the present invention can adopt turbine flow transducer.The principle of turbine flow transducer is to work as flow through sensor housing, because the blade of impeller has certain angle with the flow direction, the impulse force of fluid makes the blade moment that rotates, the blade rotary of overcome friction square and fluid resistance, stabilization of speed after equalising torque.Under certain condition, rotating speed is directly proportional with flow velocity, because the magnetic conductivity of blade, it is in the signal supervisory instrument magnetic field of (being comprised of permanent-magnet steel and coil), the blade cuts magnetic induction line of rotation, the periodic magnetic flux that changes coil, and making the coil two ends induce electric impulse signal, this signal is formed with the Continuous Rectangular pulsating wave with certain amplitude through the amplification shaping of amplifier, but final teletransmission demonstrates instantaneous delivery or the total amount of fluid to Displaying Meter.
The preferred turbine flow of the present invention is suitable for measuring the low liquid of viscosity (such as oil) very much, have advantages of that accuracy of measurement is high, range ability is wide, good linearity, can to bear working pressure large, measuring accuracy reaches as high as, and is the highest class sensor of precision in the like product.
Further, the characteristic of considering turbine flow transducer directly is subjected to the impact of fluid flow state, and the forward and backward straight length that certain-length is installed respectively of place turbine flow transducer is in order to stablize the fuel oil fluidised form.
The present invention is based on ZigBee technology.Zigbee be a kind of low rate, low-power consumption, closely with the communication technology of self-organization, it is low in energy consumption, cost is low, time delay is short, network capacity is large, data transmission is reliable, have and exempt to permit wireless communication frequency band, transmission very safe.Based on above characteristics, Zigbee network becomes the first-selection of wireless sensor network, and it is suitable for making up sensor network under industrial environment very much.
The equipment of Zigbee can be divided into two classes by function: have the full-function device (Full Function Device, FFD) of complete function and only have the simplification function device (Reduce Function Device, RFD) of partial function.Full-function device not only can be communicated by letter with simplifying function device or other full-function devices, and can control topology of networks.Simplify function device and can only can not control network topology structure with full-function device communication.The application of simplifying function device is simple, is easy to realize, does not need to send a large amount of data simultaneously, and once can only one of association simplify function device, therefore, only needs to use less resource and storage space.
In the equipment of in the LR-WPAN network, supporting, can be divided into again three kinds of device types by the status in network: network coordinator, router and terminal device.
The Zigbee telegon: be in the top layer of network structure, telegon is always in running order, must supply with stable, reliable power supply to its.It also formulates networking rule except some functions that can finish router, select suitable channel, starts network, and the Zigbee telegon must be FFD, and only has a Zigbee telegon in a Zigbee network.
Router: be in the intermediate level of network, must possess data storage, transfer capability and route discovery ability, also must support the connection of its subset and the maintenance of routing table, it must be FFD.
Terminal device: its 26S Proteasome Structure and Function is simple, often just transmits and receive data simply, does not process the functions such as network management, and the most of the time is in sleep state, saves energy so farthest, and extending battery life, it can be FFD or RFD.
The present invention has adopted Zigbee telegon and Zigbee router.Among the present invention, fuel consumption meter connects the Zigbee router, and host computer connects the Zigbee telegon.Host computer can be PC, also can select other suitable types.
Because the connectivity port between fuel consumption meter, Zigbee router, Zigbee telegon and the host computer is different, can adopt serial converter to connect said modules.Serial converter commonly used is that RS-232 turns the RS-485 converter.Can certainly select the serial converter of other types.
Zigbee device among the present invention need to use the Zigbee radio transmitting and receiving chip.As preferably, the present invention can select the XBEE-PRO of U.S. DIGI company as radio transmitting and receiving chip.This chip meets the IEEE802.15.4 standard, is operated in the 2.4GHz frequency range, is that a kind of volume of comparative maturity is little, low in energy consumption, long transmission distance, is fit to set up the wireless communication module of power consumption wireless sensor network.
The XBee-PRO module is the solution with the Zigbee/IEEE802.15.4 protocol-compliant, be operated in the free frequency range of ISM2.4GHz, it is a kind of Zigbee module of built-in protocol stack, can use AT and API command set dual mode that module parameter is set, and realize data transmission by serial ports.Because the innovation of design is 2-3 times (standard Zigbee module is approximately 50m at indoor and underground space transmission diameter) of standard Zigbee module on the XBee-PRO transmission range.Aspect network performance, have DSSS (direct sequence spread spectrum) function, can form peer-to-peer network, point-to-point and point-to-points network.
The XBee-PRO chip can be set as respectively the node of these three kinds of heterogeneous networks functions of central coordinator, router and terminal node.Central coordinator is the Centroid of network, realizes network organization, network operation and network management; Router is realized the data relay forwarding; Terminal node only is responsible for acceptance and the transmission of this node data.Because router only is responsible for the route relay forwarding of data, does not therefore need sensor assembly on hardware configuration, only keeps other core circuit of terminal node; Central coordinator is as the Centroid of network, the gateway that serves as wireless network, need to carry out data interaction with the core computer of monitoring central station and communicate by letter, so the hardware configuration of central coordinator should add the extension storage circuit on the hardware configuration basis of router.
RS-232 interface is the standard that is used for serial communication of jointly being formulated by EIA (EIA) associating Bell System, modulator-demodular unit producer and terminal manufacturer in 1970.Its full name is " serial binary data exchange interface technical standard between data terminal equipment (DTE) and the data communications equipment (DCE) ".The DB25 connector of 25 pin is adopted in this standard code, and the signal content of each pin of regulation connector and the level of various signals.Along with updating of equipment, the DB9 interface of DB25 has appearred replacing, all RS-232 interface is called DB9 now.
The predecessor of RS-485 is RS-422, and RS-422 is unidirectional, the balance transmission TIA/EIA-422-A standard that a kind of unit sends, multimachine receives.For the expanded application scope; EIA has formulated the RS-485 standard in nineteen eighty-three on the RS-422 basis; multiple spot and two-way communications capabilities have been increased; allow a plurality of transmitters to be connected on the same bus; and increased transmitter driving force and the conflict protection feature; thereby expanded the bus common mode range, rear called after TIA/EIA-485-A standard.RS-232, RS-422 and RS-485 standard are only stipulated the electrical specification of interface, do not relate to connector, cable or agreement, and the user can set up the high-level communications protocol of oneself on this basis.MAX485 is the common miniwatt transceiver that is used for the RS-485 communication, although can only carry out semiduplex communication, bus can connect 32 MAX485 chips at most simultaneously.
Fuel consumption meter among the present invention is take PLC as working centre, and fuel consumption meter shows in real time at the scene and store flow signal, and it can comprise minute flow and integrated flow.Be used for the oil consumption of the each volume read-out of fuel tank, oil tank fuel reduction and diesel generator set reality is detected.
A kind of structural representation that the present invention is based on fuel consumption meter in the power module of diesel generation fuel consume monitoring system of Zigbee such as Fig. 2.As shown in Figure 2, fuel consumption meter comprises the PLC module, and the PLC module connects signal processing module, clock module, display module and memory module, and fuel consumption meter is connected with flow sensor by signal processing module, and fuel consumption meter is connected with power module.Signal processing module can be realized the analog-and digital-conversion to input and output among the present invention.Display module of the present invention can be chosen as the LCD liquid crystal display, and memory module can be SD card memory or USB flash memory driver.SD card memory or USB flash memory driver are that as the advantage of memory module it is easy to carry and removes replacing very much, and this preservation for data is highly beneficial.Clock module is counted for detection of the timing in the process.The PLC module can be the PLC that commonly uses, and the present invention does not limit its concrete model.In addition, the present invention also can adopt not the fuel consumption meter based on PLC, can use fuel consumption meter based on embedded system such as it, also can use the fuel consumption meter based on digital signal processor, and the present invention is not limited.
In addition, among the present invention the PLC program write the modular Programming Methodology of preferred employing, can improve programming efficiency like this, and reduce the mistake in the Software for Design, shortened the development time.
During actual motion, fuel consumption meter passes through the fuel consume information in flow sensor Real-time Collection fuel tank turnover oil and the diesel generator set course of work, and utilizes the processing of PLC system-computed to obtain required fuel consume data; Secondly display module shows the fuel oil data in real time; Then this device designs the fuel tank oiling, fuel tank is fuel-displaced and every mass data such as diesel-driven generator fuel consumption is stored by memory module, is convenient to the unloading storage; By the Zigbee wireless telecommunications system corresponding data is transferred to host computer at last, be loaded with software management module in the host computer, by software management module realize to the monitoring of on-the-spot fuel oil operating position and diesel motor group when the various operating mode minute oil consumption and reception, analysis and the management of accumulative total fuel consumption data.
It is the another kind of structural representation of fuel consumption meter in the power module of diesel-driven generator fuel consume monitoring system of the present invention such as Fig. 3.As shown in Figure 3, fuel consumption meter comprises text PLC all-in-one, text PLC all-in-one comprises PLC module, signal processing module, clock module and display module, the PLC module is connected with signal processing module, clock module and display module, text PLC all-in-one connects memory module by the PLC module, fuel consumption meter is connected with flow sensor by signal processing module, and fuel consumption meter is connected with power module.
The difference of Fig. 3 and Fig. 2 is that it has adopted text PLC all-in-one.The core of text PLC all-in-one remains the PLC module of Fig. 2, but it is integrated together PLC module, signal processing module, clock module and display module, does as a wholely to be connected with miscellaneous part.This text PLC all-in-one begins to be applied to measurement and the control of small-scale industry spot gradually owing to having advantages of that high integration, wiring are few, save the space and saving the conventional P LC such as cost do not possess.
Text PLC all-in-one collection of the present invention shows and is controlled to be one, and carries analog input and output, has the high-frequency count module, can realize the high-frequency impulse input.Can realize that this function reason is exactly that it is integrated together PLC module, signal processing module, clock module and display module.
Whole diesel-driven generator fuel consume monitoring system is powered by power module among the present invention.The input end of power module connects alternating current, and output terminal comprises 24V dc output end and 5V dc output end.During actual motion, can be provided by the 220V alternating current of the diesel generator set at scene the alternating current of power module input end.As shown in Figure 4.Further, power module of the present invention is converted to 24V and 5V two-way direct current with alternating current, 24V dc output end connection traffic sensor, PLC module, Zigbee router and Zigbee telegon, and the 5V dc output end connects memory module.Therefore, 24V loop direct current offers respectively turbine flow transducer, PLC module, Zigbee router and Zigbee telegon, and 5V loop direct current offers SD card data-carrier store.
Terminal of the present invention comprises Zigbee telegon and host computer.Wherein the Zigbee telegon is used for receiving the data of Zigbee route signal transmitting terminal; Host computer as the data receiver of telegon, is loaded with software management module on the host computer on the one hand on the other hand as client, the data that software management module is used for reception, analyzes and manage the diesel generation fuel consume.So just so that the subsequent treatment of the test data of diesel generation fuel consume monitoring system of the present invention is very capable.
A kind of diesel-driven generator fuel consume of the present invention monitoring system measuring accuracy is high, and the subsequent treatment ability of test data is strong, does not need to dismantle oil feed line in the measuring process, and detection method is simple, and cost is lower, therefore has boundless market outlook.
In addition, compare with traditional oil consumption Monitoring Design Method, the present invention has lower systematic error owing to having selected high-precision turbine flow transducer; As working centre, has more reliable and more stable performance with PLC; Be used for communication with the Zigbee agreement, have more brief and economic data transfer mode.Adopt simultaneously the data receiver form of SD card memory or USB flash memory driver and Zigbee wireless transmission, guaranteed data security.
Above demonstration and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (10)
1. diesel-driven generator fuel consume monitoring system, comprise some diesel-driven generators, described diesel-driven generator is connected with flow sensor, it is characterized in that, also comprise fuel consumption meter, fuel consumption meter links to each other with described flow sensor, the data on flows that fuel consumption meter acquisition stream quantity sensor detects, and fuel consumption meter links to each other with host computer by Zigbee.
2. diesel-driven generator fuel consume monitoring system according to claim 1, it is characterized in that, also comprise fuel tank, fuel tank is connected with oil inlet pipe and flowline, flowline is connected with the oiler of some diesel-driven generators by fuel delivery line, and the oiler of described oil inlet pipe, flowline, diesel-driven generator is connected with flow sensor.
3. the diesel generation fuel consume monitoring system based on Zigbee according to claim 1 and 2 is characterized in that, described flow sensor is turbine flow transducer.
4. diesel-driven generator fuel consume monitoring system according to claim 3 is characterized in that, described fuel consumption meter connects the Zigbee router, and described host computer connects the Zigbee telegon.
5. the diesel generation fuel consume monitoring system based on Zigbee according to claim 4, it is characterized in that, described fuel consumption meter comprises the PLC module, described PLC module connects signal processing module, clock module, display module and memory module, described fuel consumption meter is connected with flow sensor by signal processing module, and described fuel consumption meter is connected with power module.
6. diesel-driven generator fuel consume monitoring system according to claim 4, it is characterized in that, described fuel consumption meter comprises text PLC all-in-one, described text PLC all-in-one comprises PLC module, signal processing module, clock module and display module, the PLC module is connected with signal processing module, clock module and display module, described text PLC all-in-one connects memory module by the PLC module, described fuel consumption meter is connected with flow sensor by signal processing module, and described fuel consumption meter is connected with power module.
7. according to claim 5 or 6 described diesel-driven generator fuel consume monitoring systems, it is characterized in that, described memory module is SD card memory or USB flash memory driver.
8. according to claim 5 or 6 described diesel-driven generator fuel consume monitoring systems, it is characterized in that, the input end of described power module connects alternating current, and output terminal comprises 24V dc output end and 5V dc output end.
9. the diesel generation fuel consume monitoring system based on Zigbee according to claim 8, it is characterized in that, described 24V dc output end connection traffic sensor, PLC module, Zigbee router and Zigbee telegon, described 5V dc output end connects memory module.
10. diesel-driven generator fuel consume monitoring system according to claim 9 is characterized in that, is loaded with software management module on the described host computer, the data that described software management module is used for reception, analyzes and manage the diesel generation fuel consume.
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| CN104790276A (en) * | 2015-02-13 | 2015-07-22 | 徐州徐工筑路机械有限公司 | Asphalt mixing station fuel oil consumption rate display system and control method thereof |
| CN112462259A (en) * | 2020-11-19 | 2021-03-09 | 西安热工研究院有限公司 | Automatic determination device and method for load-carrying limit time of black-start diesel generator |
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Application publication date: 20130501 |