CN109268155B - Electric control system of mining explosion-proof locomotive - Google Patents
Electric control system of mining explosion-proof locomotive Download PDFInfo
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- CN109268155B CN109268155B CN201810935788.3A CN201810935788A CN109268155B CN 109268155 B CN109268155 B CN 109268155B CN 201810935788 A CN201810935788 A CN 201810935788A CN 109268155 B CN109268155 B CN 109268155B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention relates to an electric control system of a mine explosion-proof locomotive, wherein an engine is assembled on the mine explosion-proof locomotive and comprises a collector and a controller; the collector is connected with the mining explosion-proof locomotive and is used for collecting six protection parameters required by coal mine safety in the mining explosion-proof locomotive; the collector is also in communication connection with the controller through an intrinsic safety CAN; the collector is provided with a first output control interface, and the controller is provided with a second output control interface; the first output control interface on the collector is connected with the engine through a first electromagnetic valve or directly connected with the controller, and when the first output control interface on the collector is directly connected with the controller, the second output control interface on the controller is connected with the engine through a second flameout electromagnetic valve. The invention is simultaneously applied to mechanical pump diesel engines and electric control oil extraction machines.
Description
Technical Field
The invention relates to the field of mining explosion-proof locomotives, in particular to an electric control system of a mining explosion-proof locomotive.
Background
The mine explosion-proof vehicle is a trackless auxiliary transport vehicle used for a dangerous environment under a coal mine, and takes charge of the transportation tasks of electromechanical equipment, tool consumables and personnel under the coal mine; due to the efficient and rapid transportation mode, the device is widely applied to modern coal mine auxiliary transportation. The existing mining explosion-proof vehicle engines are different in type, corresponding electric control systems are different, and the electric control systems are not universal, so that resource waste is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a general electric control system of a mine explosion-proof locomotive.
The technical scheme for solving the technical problems is as follows: an engine is assembled on the mine explosion-proof locomotive, and the mine explosion-proof locomotive comprises a collector and a controller; the collector is connected with the mining explosion-proof locomotive and is used for collecting six protection parameters required by coal mine safety in the mining explosion-proof locomotive; the collector is also in communication connection with the controller through an intrinsic safety CAN; the collector is provided with a first output control interface, and the controller is provided with a second output control interface; the first output control interface on the collector is connected with the engine through a first electromagnetic valve or directly connected with the controller, and when the first output control interface on the collector is directly connected with the controller, the second output control interface on the controller is connected with the engine through a second flameout electromagnetic valve.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, when the engine is a mechanical pump diesel engine, the first electromagnetic valve is connected with an air inlet channel of the mechanical pump diesel engine, and the first electromagnetic valve is used for being started when any one of six protection parameters collected by the collector exceeds the limit, closing the air inlet channel of the mechanical pump diesel engine and enabling the mechanical pump diesel engine to be flameout.
Further, still include first display, be equipped with on the collector and reserve ann's CAN communication interface, first display through reserve ann's CAN communication interface with the collector is connected, first display is used for showing six major protection parameters that the collector gathered, first display is for having acousto-optic warning function's display.
Further, when the engine is an electric control diesel engine, the first output control interface on the collector is directly connected with the controller, and the second flameout electromagnetic valve is connected with an air inlet channel of the electric control diesel engine; the first output control interface on the collector is used for providing a power-on enabling signal for the controller, and the first output control interface on the collector is specifically used for disconnecting the power-on enabling signal of the controller when any one of six protection parameters collected by the collector exceeds the limit; the controller is specifically used for starting the second flameout electromagnetic valve when the power-on enabling signal is disconnected, and the second flameout electromagnetic valve is specifically used for closing an air inlet channel of the electric control diesel engine when the second flameout electromagnetic valve is started; the controller is also specifically used for switching off an oil injection electromagnetic valve of the electric control diesel engine when the electrifying enabling signal is disconnected; the electric control diesel engine is flamed out due to the fact that gas and oil are cut off.
Furthermore, the collector is also used for collecting the engine control parameters of the mining explosion-proof locomotive and the light control signals of the whole locomotive; the controller is also used for acquiring an engine key signal of the mining explosion-proof locomotive, receiving an engine control parameter sent by the collector, and controlling an injection electromagnetic valve and an EGR valve of the engine according to the engine key signal and the engine control parameter; the controller is also used for receiving the whole vehicle light control signal sent by the collector and controlling the whole vehicle light of the mining explosion-proof locomotive according to the whole vehicle light control signal.
Further, a double-path accelerator and a double-path control switch for controlling the bidirectional running of the vehicle are arranged on the mine explosion-proof locomotive, a second display and a third display are connected to the controller through an intrinsic safety CAN communication interface, the second display and the third display are both used for displaying the states of the engine and the whole vehicle, and the second display and the third display are both displays with acousto-optic alarm functions; one of the second display and the two-way throttle is arranged at the head of the mining explosion-proof locomotive, and the other of the third display and the two-way throttle is arranged at the tail of the mining explosion-proof locomotive; the collector is further used for collecting driving direction switching signals of the two road control switches, and the controller is further used for switching and selecting an accelerator and a display at the head and tail of the mining explosion-proof locomotive according to the driving direction switching signals.
Furthermore, the collector is also used for collecting the key switch state of the mining explosion-proof locomotive and controlling the controller to be powered on or powered off according to the key switch state and six protection parameters.
Furthermore, the collector adopts a rubber sealing and intrinsic safety explosion-proof type collector, and the controller adopts an explosion-proof and intrinsic safety explosion-proof type controller.
Furthermore, the controller is also provided with a calibrated intrinsic safety CAN communication interface and a diagnostic intrinsic safety CAN communication interface, and is also connected with a computer through the calibrated intrinsic safety CAN communication interface and the diagnostic intrinsic safety CAN communication interface.
The invention has the beneficial effects that: the electric control system of the mine explosion-proof locomotive is simultaneously applied to a mechanical pump diesel engine and an electric control oil extraction machine; if the engine is a mechanical pump diesel engine, when six protection parameters are protected by independently using a collector, a first flameout electromagnetic valve is externally connected, the collector monitors the exhaust temperature, the surface temperature, the cooling water temperature, the water level of an exhaust gas treatment tank, the engine oil pressure and the gas concentration, and if any one of the parameters exceeds the limit, the first flameout electromagnetic valve is started, and an air inlet channel is closed to flameout the engine; if the engine is an electric control diesel engine, the collector and the controller are used in a combined mode, the first flameout electromagnetic valve is not connected, an interface which is originally connected with the first flameout electromagnetic valve on the collector is directly connected to the controller, a power-on enabling signal is provided for the controller, when any one of the exhaust temperature, the surface temperature, the cooling water temperature, the water level of the waste gas treatment tank, the engine oil pressure and the gas concentration which are collected by the collector exceeds the limit, the power-on enabling signal of the controller is disconnected, the second flameout electromagnetic valve is started by the controller at the moment, the air inlet channel of the engine is closed, meanwhile, the oil injection electromagnetic valve of the engine is turned off by the.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an electric control system of a mining explosion-proof locomotive.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an electronic control system of a mining explosion-proof locomotive is provided with an engine, which comprises a collector and a controller; the collector is connected with the mining explosion-proof locomotive and is used for collecting six protection parameters required by coal mine safety in the mining explosion-proof locomotive; the collector is also in communication connection with the controller through an intrinsic safety CAN; the collector is provided with a first output control interface, and the controller is provided with a second output control interface; the first output control interface on the collector is connected with the engine through a first electromagnetic valve or directly connected with the controller, and when the first output control interface on the collector is directly connected with the controller, the second output control interface on the controller is connected with the engine through a second flameout electromagnetic valve.
The six protection parameters required by coal mine safety include exhaust temperature, surface temperature, cooling water temperature, waste gas treatment tank water level (specifically water level of a washing tank or a water replenishing tank), engine oil pressure and gas concentration (mainly measured by a gas sensor or a methane sensor).
Based on the above, the present invention specifically includes the following embodiments:
example one
When the engine is a mechanical pump diesel engine, the first electromagnetic valve is connected with an air inlet channel of the mechanical pump diesel engine, and the first electromagnetic valve is used for being started when any one of six protection parameters collected by the collector exceeds the limit, closing the air inlet channel of the mechanical pump diesel engine and enabling the mechanical pump diesel engine to be flamed out.
In the first embodiment, the invention further includes a first display, the collector is provided with a reserved intrinsic safety CAN communication interface, the first display is connected with the collector through the reserved intrinsic safety CAN communication interface, the first display is used for displaying six protection parameters collected by the collector, the first display is a display with an audible and visual alarm function, and the first display CAN perform audible and visual alarm in case of failure.
Example two
When the engine is an electric control diesel engine, a first output control interface on the collector is directly connected with the controller, and the second flameout electromagnetic valve is connected with an air inlet channel of the electric control diesel engine; the first output control interface on the collector is used for providing a power-on enabling signal for the controller, and the first output control interface on the collector is specifically used for disconnecting the power-on enabling signal of the controller when any one of six protection parameters collected by the collector exceeds the limit; the controller is specifically used for starting the second flameout electromagnetic valve when the power-on enabling signal is disconnected, and the second flameout electromagnetic valve is specifically used for closing an air inlet channel of the electric control diesel engine when the second flameout electromagnetic valve is started; the controller is also specifically used for switching off an oil injection electromagnetic valve of the electric control diesel engine when the electrifying enabling signal is disconnected; the electric control diesel engine is flamed out due to the fact that gas and oil are cut off. When six protection parameters required by coal mine safety are abnormal, the collector and the controller CAN perform information interaction and send a shutdown command through CAN communication, meanwhile, the collector CAN disconnect a power supply enabling signal of the controller, and the controller CAN start the shutdown command as long as one of the two protection parameters is met, so that the reliability of the system is improved.
EXAMPLE III
On the basis of the second embodiment, the collector is further used for collecting engine control parameters of the mining explosion-proof locomotive and a finished vehicle light control signal; the controller is also used for acquiring an engine key signal of the mining explosion-proof locomotive, receiving an engine control parameter sent by the collector, and controlling an injection electromagnetic valve and an EGR valve of the engine according to the engine key signal and the engine control parameter to enable the engine to work in the optimal working condition; the controller is also used for receiving the whole vehicle light control signal sent by the collector and controlling the whole vehicle light of the mining explosion-proof locomotive according to the whole vehicle light control signal.
The engine control parameters comprise parameters such as fuel temperature, air inlet temperature, engine oil temperature and air inlet pressure; the light control signal of the whole vehicle mainly comprises left turn, right turn, front high beam, rear high beam, front dipped beam, rear dipped beam and the like; the key signals of the engine comprise a cam signal, a crankshaft signal, an accelerator position signal, an EGR opening degree signal and the like.
Example four
On the basis of the second embodiment or the third embodiment, a double-way throttle and a double-way control switch for controlling the bidirectional running of the vehicle are arranged on the mine explosion-proof locomotive, a second display and a third display are connected to the controller through an intrinsic safety CAN communication interface, the second display and the third display are both used for displaying the states of the engine and the whole vehicle, the second display and the third display are both displays with acousto-optic alarm functions, and if a fault occurs, acousto-optic alarm is performed and fault information is displayed; specifically, the controller can also perform shutdown protection according to the state of the engine and the whole vehicle (if a fault occurs), wherein the shutdown protection includes controlling the action of the electromagnetic valves (including the electromagnetic valves 1-6 and the second flameout electromagnetic valve in the specific embodiment) or completely powering off the whole controller; one of the second display and the two-way throttle is arranged at the head of the mining explosion-proof locomotive, and the other of the third display and the two-way throttle is arranged at the tail of the mining explosion-proof locomotive; the collector is further used for collecting driving direction switching signals of the two road control switches, and the controller is further used for switching and selecting an accelerator and a display at the head and the tail of the mining explosion-proof locomotive according to the driving direction switching signals, so that the bidirectional driving function of the mining explosion-proof locomotive is realized, and the problem that vehicles in an underground roadway are narrow and difficult to turn around is solved.
EXAMPLE five
On the basis of the second embodiment, the third embodiment or the fourth embodiment, the collector is further used for collecting the key switch state of the mining explosion-proof locomotive and controlling the controller to be powered on or powered off according to the key switch state and six protection parameters. Specifically, the collector collects the state of a key switch, when the key switch is switched on, the collector is powered on, when the key switch is not switched on, the collector has no power supply, and the controller is not powered on, so that the power consumption of the system is reduced; when the key switch is switched on and the collector is powered on, the collector collects six protection parameters required by coal mine safety, and sends a power-on enabling signal to the controller under the condition that no parameter exceeds the limit, so that the controller is powered on, and the system works normally.
In the electric control system of the mine explosion-proof locomotive, the collector adopts a rubber sealing and intrinsic safety explosion-proof type collector, and the controller adopts an explosion-proof and intrinsic safety explosion-proof type controller. The controller is also provided with a calibrated intrinsic safety CAN communication interface and a diagnostic intrinsic safety CAN communication interface, is connected with the computer through the calibrated intrinsic safety CAN communication interface and the diagnostic intrinsic safety CAN communication interface, performs information interaction with the computer, performs calibration and fault diagnosis, and CAN control the fuel injection quantity of the engine under different working conditions.
In the electric control system of the mining explosion-proof locomotive, the collector is also provided with a first power supply module, the first power supply module can provide the conversion function of a non-intrinsic safety power supply and an intrinsic safety power supply, and the first power supply module is used for providing power for an internal circuit of the collector and also used for providing power for an external sensor and a combination switch (the external sensor and the combination switch are specifically equipment for providing six protection parameters, engine control parameters and finished vehicle light control signals required by coal mine safety).
The electric control system of the mine explosion-proof locomotive is simultaneously applied to a mechanical pump diesel engine and an electric control oil extraction machine; if the engine is a mechanical pump diesel engine, when six protection parameters are protected by independently using a collector, a first flameout electromagnetic valve is externally connected, the collector monitors the exhaust temperature, the surface temperature, the cooling water temperature, the water level of an exhaust gas treatment tank, the engine oil pressure and the gas concentration, and if any one of the parameters exceeds the limit, the first flameout electromagnetic valve is started, and an air inlet channel is closed to flameout the engine; if the engine is an electric control diesel engine, the collector and the controller are used in a combined mode, the first flameout electromagnetic valve is not connected, an interface which is originally connected with the first flameout electromagnetic valve on the collector is directly connected to the controller, a power-on enabling signal is provided for the controller, when any one of the exhaust temperature, the surface temperature, the cooling water temperature, the water level of the waste gas treatment tank, the engine oil pressure and the gas concentration which are collected by the collector exceeds the limit, the power-on enabling signal of the controller is disconnected, the second flameout electromagnetic valve is started by the controller at the moment, the air inlet channel of the engine is closed, meanwhile, the oil injection electromagnetic valve of the engine is turned off by the.
In addition, the electric control system of the mining explosion-proof locomotive integrates the mining diesel locomotive protection, the mining fuel injection control and the whole vehicle light control of the mining explosion-proof vehicle into a set of independent system, and has high integration level and convenient maintenance; in addition, the collector can be used as a controller to provide a power supply enabling signal, when six protection parameters required by coal mine safety are abnormal, the power supply of the controller is automatically cut off, an engine is stopped, light is turned off, and the protection required by the coal mine safety is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides an electrical system of mining explosion-proof locomotive, be equipped with the engine on the mining explosion-proof locomotive which characterized in that: comprises a collector and a controller; the collector is connected with the mining explosion-proof locomotive and is used for collecting six protection parameters required by coal mine safety in the mining explosion-proof locomotive; the collector is also in communication connection with the controller through an intrinsic safety CAN; the collector is provided with a first output control interface, and the controller is provided with a second output control interface; the first output control interface on the collector is connected with the engine through a first electromagnetic valve or directly connected with the controller, and when the first output control interface on the collector is directly connected with the controller, the second output control interface on the controller is connected with the engine through a second flameout electromagnetic valve;
when the engine is an electric control diesel engine, a first output control interface on the collector is directly connected with the controller, and the second flameout electromagnetic valve is connected with an air inlet channel of the electric control diesel engine; the first output control interface on the collector is used for providing a power-on enabling signal for the controller, and the first output control interface on the collector is specifically used for disconnecting the power-on enabling signal of the controller when any one of six protection parameters collected by the collector exceeds the limit; the controller is specifically used for starting the second flameout electromagnetic valve when the power-on enabling signal is disconnected, and the second flameout electromagnetic valve is specifically used for closing an air inlet channel of the electric control diesel engine when the second flameout electromagnetic valve is started; the controller is also specifically used for switching off an oil injection electromagnetic valve of the electric control diesel engine when the electrifying enabling signal is disconnected; the electric control diesel engine is flamed out due to the fact that gas and oil are cut off.
2. The electric control system of the mining explosion-proof locomotive according to claim 1, characterized in that: the collector is also used for collecting engine control parameters of the mining explosion-proof locomotive and a whole vehicle light control signal; the controller is also used for acquiring an engine key signal of the mining explosion-proof locomotive, receiving an engine control parameter sent by the collector, and controlling an oil injection electromagnetic valve and an EGR valve of the engine according to the engine key signal and the engine control parameter; the controller is also used for receiving the whole vehicle light control signal sent by the collector and controlling the whole vehicle light of the mining explosion-proof locomotive according to the whole vehicle light control signal.
3. An electric control system of a mining explosion-proof locomotive according to claim 1 or 2, characterized in that: the mine explosion-proof locomotive is provided with a double-path accelerator and a double-path control switch for controlling the bidirectional running of the vehicle, the controller is connected with a second display and a third display through an intrinsic safety CAN communication interface, the second display and the third display are both used for displaying the states of the engine and the whole vehicle, and the second display and the third display are both displays with acousto-optic alarm functions; one of the second display and the two-way throttle is arranged at the head of the mining explosion-proof locomotive, and the other of the third display and the two-way throttle is arranged at the tail of the mining explosion-proof locomotive; the collector is further used for collecting driving direction switching signals of the two road control switches, and the controller is further used for switching and selecting an accelerator and a display at the head and tail of the mining explosion-proof locomotive according to the driving direction switching signals.
4. An electric control system of a mining explosion-proof locomotive according to claim 1 or 2, characterized in that: the collector is also used for collecting the key switch state of the mining explosion-proof locomotive and controlling the controller to be powered on or powered off according to the key switch state and six protection parameters.
5. An electric control system of a mining explosion-proof locomotive according to claim 1 or 2, characterized in that: the collector adopts a rubber sealing and intrinsic safety explosion-proof type collector, and the controller adopts an explosion-proof and intrinsic safety explosion-proof type controller.
6. An electric control system of a mining explosion-proof locomotive according to claim 1 or 2, characterized in that: the controller is also provided with a calibrated intrinsic safety CAN communication interface and a diagnostic intrinsic safety CAN communication interface, and is also connected with a computer through the calibrated intrinsic safety CAN communication interface and the diagnostic intrinsic safety CAN communication interface.
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| CN201810935788.3A CN109268155B (en) | 2018-08-16 | 2018-08-16 | Electric control system of mining explosion-proof locomotive |
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| CN201810935788.3A CN109268155B (en) | 2018-08-16 | 2018-08-16 | Electric control system of mining explosion-proof locomotive |
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| CN109268155B true CN109268155B (en) | 2020-08-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113586264B (en) * | 2021-08-12 | 2023-05-05 | 中国煤炭科工集团太原研究院有限公司 | One-key water discharge and one-key start control system of mining explosion-proof engine |
| CN114607506A (en) * | 2022-03-04 | 2022-06-10 | 莱州亚通重型装备有限公司 | Wireless protection device for mining explosion-proof diesel engine |
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| CN201554551U (en) * | 2009-11-25 | 2010-08-18 | 三一重型装备有限公司 | Electrical automatic protection device used for explosion-proof diesel engine |
| CN101825014A (en) * | 2010-04-22 | 2010-09-08 | 吉林长城机械制造有限公司 | Automatic protection device for coal mine explosion-proof diesel locomotive |
| US9194306B1 (en) * | 2011-06-17 | 2015-11-24 | Cummins Mid-South, L.L.C. | Hazardous location diesel engine power unit with protected controls for automatic shutdown |
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