CN205064106U - Mining explosion -proof electricity spouts diesel locomotive electrical system - Google Patents
Mining explosion -proof electricity spouts diesel locomotive electrical system Download PDFInfo
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- CN205064106U CN205064106U CN201520780435.2U CN201520780435U CN205064106U CN 205064106 U CN205064106 U CN 205064106U CN 201520780435 U CN201520780435 U CN 201520780435U CN 205064106 U CN205064106 U CN 205064106U
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Abstract
The utility model provides a mining explosion -proof electricity spouts diesel locomotive electrical system, including diesel locomotive safety protection module, engine fuel injection control module, power supply control module and peripheral electric control module, power supply control module is that diesel locomotive safety protection module, engine fuel injection control module and peripheral electric control module provide the power, engine fuel injection control module includes diesel engine operating mode acquisition unit, executor and explosion -proof type electric cabinet, diesel locomotive safety protection module includes safe data acquisition unit, electrical source controller, display element and wireless communication unit. The electricity spouts the diesel engine to be used under the ore deposit, and the engine can show the economic nature of reduce discharging, improving the operation, has positive promoting effect to energy saving and emission reduction with healthy, be equipped with ecu in the explosion -proof type electric cabinet, ecu (ECU) is according to operating condition and load, reasonable control engine's oil spout and power output, promotion economic performance and discharge performance.
Description
Technical field
The utility model relates to anti-explosion electric injection diesel engine car control technique field, particularly a kind of mine anti-explosion electric spraying diesel locomotive automatical control system.
Background technique
Mine anti-explosion vehicle is a kind of auxiliary trackless transport vehicle for underground coal mine hazardous environment, carries the transport task of underground coal mine electromechanical equipment, instrument consumptive material, personnel.Because of the means of transportation of its efficient quick, be widely used in Modern coal mines assistant conveyance.(20 world fifties, country of mainly mining starts to carry out auxiliary transport mechanization design, and is first applied to gold mine assistant conveyance in North America.To 20 world 70-80 ages, various countries set up auxiliary trackless transport system in succession, and product starts seriation.) China's auxiliary trackless transport technology starts late, within 1988, start to introduce auxiliary trackless transport equipment from external.Along with the Large-scale Coal such as Shenhua, Yan Kuang group extensive Introduced From Abroad auxiliary trackless transport equipment and technology, make China's auxiliary trackless transport become a kind of new technique and industry, a large amount of unit and fund input are in Related product and technical research.At present, China can the various types of anti-explosion diesel engine vehicle of production department.Auxiliary trackless transport also occupies critical role in the High-efficient Production of colliery simultaneously.
The power resources mainly anti-explosion diesel engine of mine anti-explosion vehicle.Technological processing for explosion protection feature must be carried out for the motor used under the hazardous environment of colliery.At present; domestic there is no other mechanism be engaged in based on electronic fuel injection engine explosion-proof vehicle automatical control system exploitation business; domestic mine anti-explosion vehicle all employs mechanical pump type motor, and the automatical control system coordinated with it mainly realizes the large safety protection in colliery 6 and some whole vehicle information Presentation Functions.
Model utility content
The utility model provides a kind of mine anti-explosion electric spraying diesel locomotive automatical control system, to provide the anti-explosion electric Ore-controlling Role of electric spraying diesel locomotive.
In order to solve the problems of the technologies described above, the utility model provides a kind of mine anti-explosion electric spraying diesel locomotive automatical control system, comprises diesel locomotive security protection module, engine fuel injection control module, power control module and peripheral electrical control module,
Described power control module is described diesel locomotive security protection module, described engine fuel injection control module and described peripheral electrical control module provide power supply;
Described engine fuel injection control module comprises diesel engine condition collecting unit, final controlling element and explosion-proof type electric control box;
Described diesel locomotive working condition acquiring module, for gathering diesel locomotive sensor signal and emission sensor signal;
Power supply, isolated gate and electronic control unit is provided with in described explosion-proof type electric control box; Described power supply, for providing power supply for described electronic control unit and isolated gate; Described isolated gate, for described diesel locomotive sensor signal and described emission sensor signal are converted into diesel locomotive sensor non-peace signal and the non-peace signal of emission sensor of electronic control unit, simultaneously for the intrinsic safety signal of CAN communication bus is converted into non-peace signal by intrinsic safety signal; Described electronic control unit, for working according to diesel locomotive sensor signal and driver's operation SC sigmal control final controlling element, and described diesel locomotive sensor non-peace signal and the non-peace signal of described emission sensor are converted into diesel locomotive sensing data and emission sensor data;
Described diesel locomotive security protection module comprises data acquisition unit, power-supply controller of electric and display unit;
Described data acquisition module, for gathering the Safety performance parameter of diesel locomotive, and gives described power-supply controller of electric by described Safety performance parameter feedback;
Described power-supply controller of electric, for according to described Safety performance parameter, sends control signal to described peripheral electrical control module, realizes stoppage protection function;
Described display unit, for controlling mould by CAN and described engine fuel injection and described diesel locomotive security protection module carries out communication, and the Safety performance data that the described diesel locomotive sensing data shown in described engine fuel injection control module and described emission sensor data and described diesel locomotive security protection module gather;
Described peripheral electrical control module, for controlling the peripheral electrical parts of diesel locomotive.
The beneficial effects of the utility model are: the mine anti-explosion electric spraying diesel locomotive automatical control system that the utility model provides, under making electronic injection diesel engine be used in ore deposit, make motor significantly can reduce discharge, improve the Economy run, for energy-saving and emission-reduction and occupational health, there is positive promoting effect; By being provided with electronic control unit in explosion-proof type electric control box, electronic control unit (ECU) is according to actual conditions and load, and the oil spout of conservative control motor and power stage, promote economic performance, effectively alleviate noise, vibration, promotes emission performance.
Further, described engine fuel injection control module also comprises Tail gas measuring control module, emissions data for the gas content that detects in diesel engine vent gas and under calculating different operating modes.
Adopt the beneficial effect of above-mentioned further scheme to be: the emission behaviour that can be detected electric spraying diesel locomotive by Tail gas measuring control module, reduce environmental pollution.
Further, described Tail gas measuring control module comprises tail gas collecting unit and data processing unit,
Described tail gas collecting unit, for the content by the carbon monoxide in anti-explosion type gas sensor Real-time Collection mining diesel engine tail gas and oxynitrides;
Described data processing unit, for the content according to the carbon monoxide in the diesel locomotive sensing data in described diesel locomotive working condition acquiring module and the described tail gas in described tail gas acquisition module and oxynitrides, calculate emissions data under different operating modes, and send emissions data under described different operating mode to described display unit by CAN.
The beneficial effect of above-mentioned further scheme is adopted to be: by calculating discharge trend under different operating modes, the real-time discharge of diesel mine locomotive and real-time working condition just can one_to_one corresponding, the true power performance of vehicle and the emission performance of each operating point, accurately reflect vehicle exhaust index in actual applications objectively.
Further, described data processing unit also comprises alarm unit, if exceed preset standard value for the diesel locomotive sensing data in described diesel engine condition acquisition module, and/or the content of carbon monoxide in described tail gas and/or oxynitrides exceedes preset standard value, then send alarm signal.
Adopt the beneficial effect of above-mentioned further scheme to be: by alarm module, can the relevant parameter of real-time reminding operator mining diesel engine and discharge to exceed standard signal, very convenient.
Further, described anti-explosion type gas sensor is electrochemical gas sensor; Described electrochemical gas sensor comprises carbon monoxide electrochemical gas sensor and oxynitrides electrochemical gas sensor.
Adopt the beneficial effect of above-mentioned further scheme to be: electrochemical gas sensor, be that measuring object gas is surveyed electric current in the oxidation of electrode place or reduction, draw the prober of object gas concentration, it has linear convergent rate feature, and the sensitivity of detection is higher; Carbon monoxide electrochemical gas sensor and oxynitrides electrochemical gas sensor can the concentration of accurate detection exhaust emissions carbon monoxide out and the concentration of oxynitrides.
Further, the tail gas collection point of the carbon monoxide in described collection mining diesel engine tail gas and the content of oxynitrides is positioned on the outlet pipe of diesel mine locomotive vent systems end, and in described tail gas collection point, place is also provided with moisture separation device.
The beneficial effect of above-mentioned further scheme is adopted to be: because tail gas collection point is positioned on the outlet pipe of diesel mine locomotive vent systems end, accurately can reflect the actual discharge situation of diesel mine locomotive like this; Simultaneously by arranging moisture separation device, avoiding anti-explosion type gas sensor to be that electrochemical gas sensor is corroded, improve the working life that anti-explosion type gas sensor is electrochemical gas sensor.
Further, described engine fuel injection control module also comprises limping control unit, for when the running performance parameters of described motor exceedes preset range, reduces the output power of described motor.
The beneficial effect of above-mentioned further scheme is adopted to be: when a certain parameter is close to protection critical value or sensor equipment failure, ECU can reduce power stage automatically, is only the power support that car load provides basic, prevents car load frequent shutdown; Avoid down-hole to shut down and probably block tunnel, have a strong impact on the problem generation that coal production is run.
Further, in described engine fuel injection control module, diesel locomotive sensor signal comprises camshaft speed signal, speed of crankshaft signal, throttle position signal, coolant temperature signal, fuel oil temperature signal, oil temperature signal, intake air temperature signals, boost pressure signal and engine oil pressure signal.
The beneficial effect of above-mentioned further scheme is adopted to be: by monitoring above-mentioned parameter, when the performance characteristic of diesel locomotive and operating mode also may change, working environment etc. as special in the mechanical break-in after entrucking, underground coal mine, ECU demarcates engine operating parameter targetedly according to actual conditions, more reasonable, economical to make motor run, discharge lower.
Further, in described diesel locomotive security protection module, the Safety performance parameter of diesel locomotive comprises gas density, engine exhaust temperature, engine surface temperature, engine cooling water temperature, waste gas treatment tank water level, engine oil pressure, engine speed, diesel fuel tanks oil level, water supply tank water level and hydraulic oil container oil level.
Adopt the beneficial effect of above-mentioned further scheme to be: by monitoring above-mentioned security parameter, the safety protection realizing car load and motor is shut down, and control, protective function is reasonable, perfect.
Further, described diesel locomotive security protection module also comprises wireless communication unit and mobile terminal unit,
Described wireless communication unit, for by emissions data under the described diesel locomotive sensing data in described display unit and different operating modes to described mobile terminal unit transmission;
Described mobile terminal unit, for receiving and emissions data under storing described diesel locomotive sensing data and different operating modes.
The beneficial effect of above-mentioned further scheme is adopted to be: mobile terminal module long-rangely is obtained diesel locomotive sensing data and emission sensor data, the actual use of easy-to-operat person by wireless communication unit.
Accompanying drawing explanation
Fig. 1 is the mode of execution structured flowchart of the utility model automatical control system,
Fig. 2 is the structured flowchart of the utility model Tail gas measuring control module.
Embodiment
Below in conjunction with drawings and embodiments, the utility model is further described.
The mode of execution structured flowchart of the utility model automatical control system is see Fig. 1 and Fig. 2; a kind of mine anti-explosion electric spraying diesel locomotive automatical control system, comprises diesel locomotive security protection module, engine fuel injection control module, power control module and peripheral electrical control module.
Power control module is diesel locomotive security protection module, engine fuel injection control module and peripheral electrical control module provide power supply.
Engine fuel injection control module comprises diesel engine condition collecting unit, final controlling element and explosion-proof type electric control box.
Diesel locomotive working condition acquiring module, for gathering diesel locomotive sensor signal and emission sensor signal.
Power supply, isolated gate and electronic control unit is provided with in explosion-proof type electric control box; Power supply, for providing power supply for electronic control unit and isolated gate; Isolated gate, for diesel locomotive sensor signal and emission sensor signal are converted into diesel locomotive sensor non-peace signal and the non-peace signal of emission sensor of electronic control unit, simultaneously for the intrinsic safety signal of CAN communication bus is converted into non-peace signal by intrinsic safety signal; Electronic control unit, for working according to diesel locomotive sensor signal and driver's operation SC sigmal control final controlling element, and is converted into diesel locomotive sensing data and emission sensor data by non-for diesel locomotive sensor peace signal and the non-peace signal of emission sensor.
Engine fuel injection control module also comprises Tail gas measuring control module, emissions data for the gas content that detects in diesel engine vent gas and under calculating different operating modes.
Tail gas measuring control module comprises tail gas collecting unit and data processing unit.
Tail gas collecting unit, for the content by the carbon monoxide in anti-explosion type gas sensor Real-time Collection mining diesel engine tail gas and oxynitrides.
Data processing unit, for the content according to the carbon monoxide in the diesel locomotive sensing data in diesel locomotive working condition acquiring module and the tail gas in tail gas acquisition module and oxynitrides, calculate emissions data under different operating modes, and send emissions data under different operating modes to display unit by CAN.
Data processing unit also comprises alarm unit, if exceed preset standard value for the diesel locomotive sensing data in diesel engine condition acquisition module, and/or the content of carbon monoxide in tail gas and/or oxynitrides exceedes preset standard value, then send alarm signal.
Anti-explosion type gas sensor is electrochemical gas sensor; Electrochemical gas sensor comprises carbon monoxide electrochemical gas sensor and oxynitrides electrochemical gas sensor.
The tail gas collection point of the carbon monoxide in collection mining diesel engine tail gas and the content of oxynitrides is positioned on the outlet pipe of diesel mine locomotive vent systems end, and in tail gas collection point, place is also provided with moisture separation device.
Engine fuel injection control module also comprises limping control unit, for when the running performance parameters of motor exceedes preset range, reduces the output power of motor.
In engine fuel injection control module, diesel locomotive sensor signal comprises camshaft speed signal, speed of crankshaft signal, throttle position signal, coolant temperature signal, fuel oil temperature signal, oil temperature signal, intake air temperature signals, boost pressure signal and engine oil pressure signal; Above-mentioned diesel locomotive sensing data is gathered by corresponding sensor and obtains.
Diesel locomotive security protection module comprises data acquisition unit, power-supply controller of electric and display unit;
Data acquisition module, for gathering the Safety performance parameter of diesel locomotive, and by Safety performance parameter feedback to power-supply controller of electric.
Power-supply controller of electric, for according to Safety performance parameter, sends control signal to peripheral electrical control module, realizes stoppage protection function.
Display unit; for controlling mould by CAN and engine fuel injection and diesel locomotive security protection module carries out communication, and the Safety performance data that the diesel locomotive sensing data shown in engine fuel injection control module and emission sensor data and diesel locomotive security protection module gather.
Peripheral electrical control module, for controlling the peripheral electrical parts of diesel locomotive.
In diesel locomotive security protection module, the Safety performance parameter of diesel locomotive comprises gas density, engine exhaust temperature, engine surface temperature, engine cooling water temperature, waste gas treatment tank water level, engine oil pressure, engine speed, diesel fuel tanks oil level, water supply tank water level and hydraulic oil container oil level; The Safety performance parameter of above-mentioned diesel locomotive is obtained by the sensor of correspondence.
Diesel locomotive security protection module also comprises wireless communication unit and mobile terminal unit.
Wireless communication unit, for by emissions data under the diesel locomotive sensing data in display unit and different operating modes to mobile terminal unit transmission; Wherein mobile terminal unit is handheld terminal, and in present embodiment, radio communication is realized by 2.4G communication.
Mobile terminal unit, for receiving and emissions data under storing diesel locomotive sensing data and different operating modes.
In present embodiment, anti-explosion type gas sensor is electrochemical gas sensor; Electrochemical gas sensor comprises carbon monoxide electrochemical gas sensor and oxynitrides electrochemical gas sensor; The tail gas collection point of the carbon monoxide in collection mining diesel engine tail gas and the content of oxynitrides is positioned on the outlet pipe of diesel mine locomotive vent systems end, and in tail gas collection point, place is also provided with moisture separation device.
The mine anti-explosion electric spraying diesel locomotive automatical control system that the utility model provides, under making electronic injection diesel engine be used in ore deposit, makes motor significantly can reduce discharge, improve the Economy run, has positive promoting effect for energy-saving and emission-reduction and occupational health; By being provided with electronic control unit in explosion-proof type electric control box, electronic control unit (ECU) is according to actual conditions and load, and the oil spout of conservative control motor and power stage, promote economic performance, effectively alleviate noise, vibration, promotes emission performance; The emission behaviour of electric spraying diesel locomotive can be detected by Tail gas measuring control module, reduce environmental pollution.
In description of the present utility model, it will be appreciated that, term " " center ", " length ", " width ", " on ", D score, " vertically ", " level ", " top ", " end ", the orientation of the instruction such as " interior " or position relationship be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Above the utility model mine anti-explosion electric spraying diesel locomotive automatical control system is described in detail, applies specific case herein and principle of the present utility model and mode of execution are set forth.The explanation of above embodiment just understands core concept of the present utility model for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, to sum up, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a mine anti-explosion electric spraying diesel locomotive automatical control system, is characterized in that, comprises diesel locomotive security protection module, engine fuel injection control module, power control module and peripheral electrical control module,
Described power control module is described diesel locomotive security protection module, described engine fuel injection control module and described peripheral electrical control module provide power supply;
Described engine fuel injection control module comprises diesel engine condition collecting unit, final controlling element and explosion-proof type electric control box;
Described diesel locomotive working condition acquiring module, for gathering diesel locomotive sensor signal and emission sensor signal;
Power supply, isolated gate and electronic control unit is provided with in described explosion-proof type electric control box; Described power supply, for providing power supply for described electronic control unit and isolated gate; Described isolated gate, for described diesel locomotive sensor signal and described emission sensor signal are converted into diesel locomotive sensor non-peace signal and the non-peace signal of emission sensor of electronic control unit, simultaneously for the intrinsic safety signal of CAN communication bus is converted into non-peace signal by intrinsic safety signal; Described electronic control unit, for working according to diesel locomotive sensor signal and driver's operation SC sigmal control final controlling element, and described diesel locomotive sensor non-peace signal and the non-peace signal of described emission sensor are converted into diesel locomotive sensing data and emission sensor data;
Described diesel locomotive security protection module comprises data acquisition unit, power-supply controller of electric and display unit;
Described data acquisition module, for gathering the Safety performance parameter of diesel locomotive, and gives described power-supply controller of electric by described Safety performance parameter feedback;
Described power-supply controller of electric, for according to described Safety performance parameter, sends control signal to described peripheral electrical control module, realizes stoppage protection function;
Described display unit, for controlling mould by CAN and described engine fuel injection and described diesel locomotive security protection module carries out communication, and the Safety performance data that the described diesel locomotive sensing data shown in described engine fuel injection control module and described emission sensor data and described diesel locomotive security protection module gather;
Described peripheral electrical control module, for controlling the peripheral electrical parts of diesel locomotive.
2. mine anti-explosion electric spraying diesel locomotive automatical control system according to claim 1, it is characterized in that, described engine fuel injection control module also comprises Tail gas measuring control module, emissions data for the gas content that detects in diesel engine vent gas and under calculating different operating modes.
3. mine anti-explosion electric spraying diesel locomotive automatical control system according to claim 2, it is characterized in that, described Tail gas measuring control module comprises tail gas collecting unit and data processing unit,
Described tail gas collecting unit, for the content by the carbon monoxide in anti-explosion type gas sensor Real-time Collection mining diesel engine tail gas and oxynitrides;
Described data processing unit, for the content according to the carbon monoxide in the diesel locomotive sensing data in described diesel locomotive working condition acquiring module and the described tail gas in described tail gas acquisition module and oxynitrides, calculate emissions data under different operating modes, and send emissions data under described different operating mode to described display unit by CAN.
4. mine anti-explosion electric spraying diesel locomotive automatical control system according to claim 3, it is characterized in that, described data processing unit also comprises alarm unit, if exceed preset standard value for the diesel locomotive sensing data in described diesel engine condition acquisition module, and/or the content of carbon monoxide in described tail gas and/or oxynitrides exceedes preset standard value, then send alarm signal.
5. the mine anti-explosion electric spraying diesel locomotive automatical control system according to claim 3 or 4, it is characterized in that, described anti-explosion type gas sensor is electrochemical gas sensor; Described electrochemical gas sensor comprises carbon monoxide electrochemical gas sensor and oxynitrides electrochemical gas sensor.
6. mine anti-explosion electric spraying diesel locomotive automatical control system according to claim 5, it is characterized in that, the tail gas collection point of the carbon monoxide in described collection mining diesel engine tail gas and the content of oxynitrides is positioned on the outlet pipe of diesel mine locomotive vent systems end, and in described tail gas collection point, place is also provided with moisture separation device.
7. the mine anti-explosion electric spraying diesel locomotive automatical control system according to the arbitrary claim of Claims 1-4, it is characterized in that, described engine fuel injection control module also comprises limping control unit, for when the running performance parameters of described motor exceedes preset range, reduce the output power of described motor.
8. the mine anti-explosion electric spraying diesel locomotive automatical control system according to the arbitrary claim of Claims 1-4, it is characterized in that, in described engine fuel injection control module, diesel locomotive sensor signal comprises camshaft speed signal, speed of crankshaft signal, throttle position signal, coolant temperature signal, fuel oil temperature signal, oil temperature signal, intake air temperature signals, boost pressure signal and engine oil pressure signal.
9. the mine anti-explosion electric spraying diesel locomotive automatical control system according to the arbitrary claim of Claims 1-4; it is characterized in that, in described diesel locomotive security protection module, the Safety performance parameter of diesel locomotive comprises gas density, engine exhaust temperature, engine surface temperature, engine cooling water temperature, waste gas treatment tank water level, engine oil pressure, engine speed, diesel fuel tanks oil level, water supply tank water level and hydraulic oil container oil level.
10. the mine anti-explosion electric spraying diesel locomotive automatical control system according to the arbitrary claim of Claims 1-4, it is characterized in that, described diesel locomotive security protection module also comprises wireless communication unit and mobile terminal unit,
Described wireless communication unit, for by emissions data under the described diesel locomotive sensing data in described display unit and different operating modes to described mobile terminal unit transmission;
Described mobile terminal unit, for receiving and emissions data under storing described diesel locomotive sensing data and different operating modes.
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| CN201520780435.2U CN205064106U (en) | 2015-10-09 | 2015-10-09 | Mining explosion -proof electricity spouts diesel locomotive electrical system |
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| CN201520780435.2U CN205064106U (en) | 2015-10-09 | 2015-10-09 | Mining explosion -proof electricity spouts diesel locomotive electrical system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201671A (en) * | 2015-10-09 | 2015-12-30 | 成都天地直方发动机有限公司 | Electronic control system for mining anti-explosion electronic injection diesel locomotive |
| CN109236467A (en) * | 2018-09-30 | 2019-01-18 | 潍柴动力股份有限公司 | A kind of insufficient method and device of detection engine power |
| CN109268155A (en) * | 2018-08-16 | 2019-01-25 | 成都天地直方发动机有限公司 | A kind of electric-control system of mine anti-explosion locomotive |
-
2015
- 2015-10-09 CN CN201520780435.2U patent/CN205064106U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201671A (en) * | 2015-10-09 | 2015-12-30 | 成都天地直方发动机有限公司 | Electronic control system for mining anti-explosion electronic injection diesel locomotive |
| CN109268155A (en) * | 2018-08-16 | 2019-01-25 | 成都天地直方发动机有限公司 | A kind of electric-control system of mine anti-explosion locomotive |
| CN109268155B (en) * | 2018-08-16 | 2020-08-25 | 成都天地直方发动机有限公司 | Electric control system of mining explosion-proof locomotive |
| CN109236467A (en) * | 2018-09-30 | 2019-01-18 | 潍柴动力股份有限公司 | A kind of insufficient method and device of detection engine power |
| CN109236467B (en) * | 2018-09-30 | 2020-06-26 | 潍柴动力股份有限公司 | Method and device for detecting power shortage of engine |
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