CN203490512U - Measurement and control system for performance test of mining explosion-proof diesel engine - Google Patents
Measurement and control system for performance test of mining explosion-proof diesel engine Download PDFInfo
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- CN203490512U CN203490512U CN201320538258.8U CN201320538258U CN203490512U CN 203490512 U CN203490512 U CN 203490512U CN 201320538258 U CN201320538258 U CN 201320538258U CN 203490512 U CN203490512 U CN 203490512U
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Abstract
The utility model relates to performance test of explosion-proof diesel engines, and specifically to a measurement and control system for performance test of a mining explosion-proof diesel engine, meeting the requirements of the conventional mining explosion-proof diesel engine performance test. The measurement and control system comprises a host computer, a data acquisition module, measuring equipment for detecting performance indexes of the diesel engine, and execution equipment for performing test control on the diesel engine. The measuring equipment includes a Pt100 temperature sensor, a K-type thermocouple, a pressure transmitter, a fuel consumption meter, a tail gas analyzer, a smokemeter, an air flowmeter, a torque sensor and a torque measuring instrument. The execution equipment includes a PLC module, an oil channel solenoid valve, an air channel solenoid valve, an accelerator controller and a direct-current electric digital power measuring system. The measurement and control system provided by the utility model has the advantages of reasonable structure and good expansibility, and adopts CAN bus communication, thereby having high transmission speed, good real-time properties and high reliability.
Description
Technical field
The utility model relates to the performance test of anti-explosion diesel engine for mine, specifically a kind of anti-explosion diesel engine for mine performance test TT&C system.
Background technology
The set data acquisition channel of TT&C system of existing anti-explosion diesel engine for mine performance test is less, and the functional cards and the connecting line that adopt are more, and modularization is unintelligible, complex structure; And have that transmission speed is slow, extensibility is strong, real-time and the shortcoming such as reliability is poor.And require more and more higher situation for current anti-explosion diesel engine for mine performance test, need the parameter gathering to get more and more, need the data acquisition module and the measuring and controlling equipment that arrange to get more and more, also double increase of communication between module and module, between module and equipment, existing TT&C system cannot meet the test needs of anti-explosion diesel engine for mine performance test in detection field and scientific research field.
Summary of the invention
The utility model, in order to meet the test needs of current anti-explosion diesel engine for mine performance test, provides a kind of anti-explosion diesel engine for mine performance test TT&C system.
The utility model is to adopt following technical scheme to realize: anti-explosion diesel engine for mine performance test TT&C system, comprises the measuring equipment of host computer, data acquisition module, detection diesel engine property indices, the actuating equipment that diesel engine enforcement test is controlled; Described measuring equipment comprises Pt100 temperature sensor, K type thermopair, pressure unit, fuel consumption meter, exhaust analyzer, smokemetor, air flowmeter, torque sensor, torductor; Described actuating equipment comprises PLC module, oil circuit solenoid valve, electromagnetic valve of gas circuit, throttle control, direct current power numeral power-measuring system; Pt100 temperature sensor, K type thermopair, pressure unit and data acquisition module connect and compose standalone feature module node; Host computer, fuel consumption meter, exhaust analyzer, smokemetor, air flowmeter (interface of host computer, fuel consumption meter, exhaust analyzer, smokemetor, air flowmeter is RS232 interface) configure respectively CAN232MB communication conversion module (being called for short CAN232MB module), connect and compose standalone feature module node with corresponding CAN232MB communication conversion module; PLC module and direct current power numeral power-measuring system (interface of PLC module and direct current power numeral power-measuring system is RS485 interface) configure respectively CAN485MB communication conversion module (being called for short CAN485MB module), connect and compose standalone feature module node with corresponding CAN485MB communication conversion module, above-mentioned node connects and composes CAN network by CAN bus; Torductor is connected with CAN network by the CAN communication interface carrying with throttle control, and the output terminal of torque sensor is connected with torductor; Described CAN232MB communication conversion module comprises single-chip microcomputer, MAX232 level transferring chip, CAN communication controler, CAN transceiver, photoisolator, MAX232 level transferring chip, CAN communication controler are connected with single-chip microcomputer, and CAN transceiver is connected with CAN communication controler through photoisolator; Described CAN485MB communication conversion module comprises single-chip microcomputer, MAX485 level transferring chip, CAN communication controler, CAN transceiver, photoisolator, MAX485 level transferring chip, CAN communication controler are connected with single-chip microcomputer, and CAN transceiver is connected with CAN communication controler through photoisolator; Described data acquisition module comprises signal conditioning circuit, A/D conversion chip, photoisolator, microprocessor, CAN communication controler, CAN transceiver, the output terminal of signal conditioning circuit is connected with A/D conversion chip, A/D conversion chip is connected with microprocessor through photoisolator, CAN communication controler is connected with microprocessor, and CAN transceiver is connected with CAN communication controler.
In described TT&C system: be responsible for the acceptance of system data and management, the transmission of control command and the real-time demonstration of each standalone feature module node dynamic parameter and equipment state by host computer; Pt100 temperature sensor and K type thermopair are for implementing multi-point temperature measurement to diesel engine, pressure unit is for implementing multimetering to the oil pressure of diesel engine and air pressure, concrete magnitude setting is determined by the quantity of test point, wherein, Pt100 temperature sensor measurement low temperature, such as: oil temperature, coolant temperature etc.; K type thermocouple measurement high temperature, is mainly used in measuring the delivery temperature of diesel engine; The simulating signal of Pt100 temperature sensor, K type thermopair, pressure unit output is processed by data acquisition module, first through signal condition and A/D conversion, become digital signal, then send into microprocessor stores, then with CAN data layout, export CAN network through CAN communication controller and CAN transceiver to.Fuel consumption meter, air flowmeter, smokemetor, exhaust analyzer are respectively used to measure oil consumption, the air mass flow of anti-explosion diesel engine for mine, the content of CO and NO in the light obscuration of tail gas, tail gas, measurement data is uploaded to CAN network by CAN232MB communication conversion module, through CAN network, feeds back to host computer; PLC module is for controlling oil circuit solenoid valve, the electromagnetic valve of gas circuit of anti-explosion diesel engine for mine, states such as the unlatching of direct current power numeral power-measuring system, the methods of operation, and wherein, described direct current power numeral power-measuring system is existing known products; Throttle control is controlled the accelerator open degree of anti-explosion diesel engine for mine, and by accelerator open degree through CAN network-feedback to host computer; Torductor is for measuring moment of torsion and the rotating speed of anti-explosion diesel engine for mine, and by moment of torsion and tach signal through CAN network-feedback to host computer.
Compared with prior art, TT&C system described in the utility model adopts modular design, and internal system components and parts and connecting line are reduced, designs simplification, and the system expandability and reliability strengthen, and each module has stronger independence and versatility; Data acquisition module used not only can be converted to the receivable digital signal of single-chip microcomputer by the simulating signal of each sensor output, digital signal can also be converted to the signal (being called for short CAN signal) that meets CAN bus protocol; CAN232MB communication conversion module used and CAN485MB communication conversion module are advantageously connected in CAN bus field apparatus, make between RS232 signal and CAN signal, can change mutually and transmit according to steering order between RS485 signal and CAN signal; PLC module used can be controlled the input and output of Digital and analog amount in system, and carries out serial communication with outside.Described TT&C system adopts CAN bus communication mode, and system each several part has formed a CAN network, and in system, host computer, each module and equipment, as the node of CAN network, carry out mutually data transmission, node on CAN network is regardless of principal and subordinate, arbitrary node all can be at any time sends information to other nodes on network on one's own initiative, communication mode is flexible, before interstitial content on CAN network, can reach 110, CAN bus protocol has been abolished traditional station address coding, replace that communicating data block is encoded, by the mode of data block coding, make different nodes can receive identical data simultaneously, traditional RS232, RS485 communication is compared with CAN bus communication, real-time is not strong, can only form primary and secondary structure system, communication mode also can only carry out in the mode of main website poll, the real-time of system, reliability is poor, and when system occurs that multinode sends data to bus simultaneously, can cause bus to present short circuit, thereby damage the phenomenon of some node.
The utility model is rational in infrastructure, has good extendability, adopts CAN bus communication, and transmission speed is fast, real-time, and reliability is high.Can detect CO content, NO content and smoke intensity in the rotating speed of anti-explosion diesel engine for mine, moment of torsion, temperature, pressure, oil consumption, air mass flow, tail gas simultaneously, and can implement effectively to control to the throttle of anti-explosion diesel engine, direct current power numeral power-measuring system.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of TT&C system described in the utility model;
Fig. 2 is the equipment connection schematic diagram in TT&C system CAN bus described in the utility model;
Fig. 3 is the functional-block diagram of CAN232MB communication conversion module;
Fig. 4 is the functional-block diagram of CAN485MB communication conversion module;
Fig. 5 is the functional-block diagram of data acquisition module.
Embodiment
As Figure 1-5, anti-explosion diesel engine for mine performance test TT&C system, comprises the measuring equipment of host computer, data acquisition module, detection diesel engine property indices, the actuating equipment that diesel engine enforcement test is controlled; Described measuring equipment comprises Pt100 temperature sensor, K type thermopair, pressure unit, fuel consumption meter, exhaust analyzer, smokemetor, air flowmeter, torque sensor, torductor; Described actuating equipment comprises PLC module, oil circuit solenoid valve, electromagnetic valve of gas circuit, throttle control, direct current power numeral power-measuring system; Pt100 temperature sensor, K type thermopair, pressure unit and data acquisition module connect and compose standalone feature module node; Host computer, fuel consumption meter, exhaust analyzer, smokemetor, air flowmeter configure respectively CAN232MB communication conversion module, connect and compose standalone feature module node with corresponding CAN232MB communication conversion module; PLC module and direct current power numeral power-measuring system configure respectively CAN485MB communication conversion module, connect and compose standalone feature module node with corresponding CAN485MB communication conversion module, and above-mentioned node connects and composes CAN network by CAN bus; Torductor is connected with CAN network by the CAN communication interface carrying with throttle control, and the output terminal of torque sensor is connected with torductor; Described CAN232MB communication conversion module comprises single-chip microcomputer, MAX232 level transferring chip, CAN communication controler, CAN transceiver, photoisolator, MAX232 level transferring chip, CAN communication controler are connected with single-chip microcomputer, and CAN transceiver is connected with CAN communication controler through photoisolator; Described CAN485MB communication conversion module comprises single-chip microcomputer, MAX485 level transferring chip, CAN communication controler, CAN transceiver, photoisolator, MAX485 level transferring chip, CAN communication controler are connected with single-chip microcomputer, and CAN transceiver is connected with CAN communication controler through photoisolator; Described data acquisition module comprises signal conditioning circuit, A/D conversion chip, photoisolator, microprocessor, CAN communication controler, CAN transceiver, the output terminal of signal conditioning circuit is connected with A/D conversion chip, A/D conversion chip is connected with microprocessor through photoisolator, CAN communication controler is connected with microprocessor, and CAN transceiver is connected with CAN communication controler.
During concrete enforcement, because the temperature parameter and the pressure parameter that need in performance test to detect are more, the data acquisition module of two 16 passages at least should be set in system, two modules are parallel to CAN network as two nodes; In order to strengthen the reliability of CAN network, the two ends of CAN bus are parallel with respectively the resistance of one 120, as shown in Figure 2; The inner structure of CAN232MB communication conversion module is similar to CAN485MB communication conversion module inner structure, just level transferring chip is different, and other device is selected consistent: 80C51 single-chip microcomputer, SJA1000CAN communication controler, PCA82C251CAN transceiver and 6N137 photoisolator.
Claims (2)
1. an anti-explosion diesel engine for mine performance test TT&C system, is characterized in that: comprise the measuring equipment of host computer, data acquisition module, detection diesel engine property indices, the actuating equipment that diesel engine enforcement test is controlled; Described measuring equipment comprises Pt100 temperature sensor, K type thermopair, pressure unit, fuel consumption meter, exhaust analyzer, smokemetor, air flowmeter, torque sensor, torductor; Described actuating equipment comprises PLC module, oil circuit solenoid valve, electromagnetic valve of gas circuit, throttle control, direct current power numeral power-measuring system; Pt100 temperature sensor, K type thermopair, pressure unit and data acquisition module connect and compose standalone feature module node; Host computer, fuel consumption meter, exhaust analyzer, smokemetor, air flowmeter configure respectively CAN232MB communication conversion module, connect and compose standalone feature module node with corresponding CAN232MB communication conversion module; PLC module and direct current power numeral power-measuring system configure respectively CAN485MB communication conversion module, connect and compose standalone feature module node with corresponding CAN485MB communication conversion module, and above-mentioned node connects and composes CAN network by CAN bus; Torductor is connected with CAN network by the CAN communication interface carrying with throttle control, and the output terminal of torque sensor is connected with torductor; Described CAN232MB communication conversion module comprises single-chip microcomputer, MAX232 level transferring chip, CAN communication controler, CAN transceiver, photoisolator, MAX232 level transferring chip, CAN communication controler are connected with single-chip microcomputer, and CAN transceiver is connected with CAN communication controler through photoisolator; Described CAN485MB communication conversion module comprises single-chip microcomputer, MAX485 level transferring chip, CAN communication controler, CAN transceiver, photoisolator, MAX485 level transferring chip, CAN communication controler are connected with single-chip microcomputer, and CAN transceiver is connected with CAN communication controler through photoisolator; Described data acquisition module comprises signal conditioning circuit, A/D conversion chip, photoisolator, microprocessor, CAN communication controler, CAN transceiver, the output terminal of signal conditioning circuit is connected with A/D conversion chip, A/D conversion chip is connected with microprocessor through photoisolator, CAN communication controler is connected with microprocessor, and CAN transceiver is connected with CAN communication controler.
2. anti-explosion diesel engine for mine performance test TT&C system according to claim 1, is characterized in that: the two ends of CAN bus are parallel with respectively the resistance of one 120.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538258.8U CN203490512U (en) | 2013-08-31 | 2013-08-31 | Measurement and control system for performance test of mining explosion-proof diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320538258.8U CN203490512U (en) | 2013-08-31 | 2013-08-31 | Measurement and control system for performance test of mining explosion-proof diesel engine |
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| CN203490512U true CN203490512U (en) | 2014-03-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330262A (en) * | 2014-10-23 | 2015-02-04 | 哈尔滨东安发动机（集团）有限公司 | Aero-engine fuel and lubricating oil system test device |
| CN104634579A (en) * | 2015-01-29 | 2015-05-20 | 南京航空航天大学 | Small piston engine property testing device |
| CN105268271A (en) * | 2015-10-14 | 2016-01-27 | 马鞍山市常立发机械制造有限公司 | Exhaust pollutant measurement and control system |
| CN109115507A (en) * | 2018-06-06 | 2019-01-01 | 河北华北柴油机有限责任公司 | Explosion environment anti-explosion diesel engine detection platform and anti-explosion diesel engine method of production |
-
2013
- 2013-08-31 CN CN201320538258.8U patent/CN203490512U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330262A (en) * | 2014-10-23 | 2015-02-04 | 哈尔滨东安发动机（集团）有限公司 | Aero-engine fuel and lubricating oil system test device |
| CN104330262B (en) * | 2014-10-23 | 2016-09-28 | 哈尔滨东安发动机（集团）有限公司 | Aero-engine combustion oil system assay device |
| CN104634579A (en) * | 2015-01-29 | 2015-05-20 | 南京航空航天大学 | Small piston engine property testing device |
| CN105268271A (en) * | 2015-10-14 | 2016-01-27 | 马鞍山市常立发机械制造有限公司 | Exhaust pollutant measurement and control system |
| CN109115507A (en) * | 2018-06-06 | 2019-01-01 | 河北华北柴油机有限责任公司 | Explosion environment anti-explosion diesel engine detection platform and anti-explosion diesel engine method of production |
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