CN114407682A - Electric control system of mining explosion-proof electric concrete mixing transport vehicle - Google Patents
Electric control system of mining explosion-proof electric concrete mixing transport vehicle Download PDFInfo
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- CN114407682A CN114407682A CN202210139091.1A CN202210139091A CN114407682A CN 114407682 A CN114407682 A CN 114407682A CN 202210139091 A CN202210139091 A CN 202210139091A CN 114407682 A CN114407682 A CN 114407682A
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- Prior art keywords
- motor
- vehicle
- proof
- control system
- electric control
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4206—Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4206—Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
- B28C5/422—Controlling or measuring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/40—Working vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention discloses an electric control system of a mining explosion-proof electric concrete mixer truck, which relates to the technical field of coal mine electric control and comprises a lithium battery box, a charging and discharging junction box, a motor controller and a whole vehicle controller; the lithium battery box is connected with the motor controller through the charging and discharging junction box, the motor is connected with the motor controller, and the motor controller is connected with the vehicle control unit. The invention utilizes the explosion-proof lithium ion storage battery to drive the explosion-proof motor to travel, and has zero emission and low noise. The problem of present high pollution, high noise, high oil consumption, low life in the pit can be effectively solved, efficient auxiliary transportation equipment is provided for the mine colliery, electric automobile starting speed power is powerful, the response is fast, it is quieter to drive the driving in addition, effectively satisfy the production and the transportation demand in colliery, improve mine safety production efficiency, reduce mine working costs and intensity of labour.
Description
Technical Field
The invention relates to the technical field of coal mine electric control, in particular to an electric control system of a mine explosion-proof electric concrete mixing truck.
Background
The coal of China is developed towards large-scale, intelligent and mechanization, and the requirement for guaranteeing the safety of coal mines is higher and higher. The coal industry puts the realization of energy conservation and emission reduction, safety and environmental protection at the head, and the application of new energy vehicles in coal mines is a necessary trend. The diesel engine has the great defects of insufficient combustion, poor economy, reduced dynamic property, reduced thermal efficiency and increased emissions in terms of dynamic property and emission property; however, at present, there is a gap in the electric control technology of the mining explosion-proof electric concrete mixer truck, and for those skilled in the art, how to research the electric control scheme suitable for the concrete mixer truck is a problem to be solved urgently.
Disclosure of Invention
In view of this, the invention provides an electric control system for a mining explosion-proof electric concrete mixing transportation truck, so as to solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme: an electric control system of a mining explosion-proof electric concrete mixer truck comprises a lithium battery box, a charging and discharging junction box, a motor controller and a whole vehicle controller; the lithium battery box is connected with the motor controller through the charging and discharging junction box, the motor is connected with the motor controller, and the motor controller is connected with the vehicle control unit.
Optionally, the lithium battery box comprises shell, group battery and group battery management protection shield, the group battery comprises explosion-proof lithium cell, explosion-proof lithium cell is one at least.
Optionally, the vehicle control unit is connected to the motor controller by means of a CAN bus, and the battery pack is controlled to be powered on and powered off by a cab control panel.
Optionally, the vehicle control unit controls the operation speed of the motor through the received voltage signal of the electronic accelerator pedal, controls the operation speed of the motor through the received voltage signal of the brake pedal, and charges the battery through a back-dragging mechanism of the motor in the braking process of the motor.
Optionally, the method further comprises the step of detecting whether the whole vehicle is in an insulation control mode through the whole vehicle controller to control whether the vehicle is started; the method comprises the following specific steps: after the vehicle is electrified, the insulation monitoring module of the vehicle controller confirms whether insulation is good or not by monitoring phase-to-phase voltage and ground resistance, if the insulation is good, the high-voltage motor is allowed to be started, and if the insulation is not satisfactory, the high-voltage motor is disconnected, and the vehicle is not allowed to be started.
Optionally, the charging and discharging junction box includes a terminal strip, a pre-charging relay, and a protection device; the terminal row with the lithium battery box links to each other, the terminal row with the pre-charge relay links to each other, the pre-charge relay with protection device links to each other.
Optionally, after the vehicle is powered on, the motor provides pressure to the system through the pump, and when the pressure of the system is reduced due to the increase of the load, the oil supplementing quantity of the pump is increased by increasing the rotating speed of the motor, so that the pressure of the system is maintained in a normal range.
Through the technical scheme, compared with the prior art, the invention discloses and provides the electric control system of the mining explosion-proof electric concrete mixing transportation truck, which has the following beneficial technical effects:
(1) the explosion-proof lithium ion storage battery is utilized to drive the explosion-proof motor to run, zero emission, low noise and strong environmental protection are achieved, the problems of high pollution, high noise, high oil consumption and short service life of the existing underground coal mine can be effectively solved, and efficient auxiliary transportation equipment is provided for the mine;
(2) the electric automobile has strong starting speed and power, quick response and quieter driving, effectively meets the production and transportation requirements of a coal mine, improves the safety production efficiency of the mine, reduces the production cost and labor intensity of the mine and improves the underground environment;
(3) the electric control technology of the mining explosion-proof electric concrete mixing truck increases the utilization efficiency of energy sources on the basis of meeting the requirements of the work. The environmental pollution caused by the exhaust emission of vehicles entering and leaving is reduced, and meanwhile, the motor maintenance cost and frequency of the electric locomotive are lower, so that the convenience of vehicle maintenance is improved;
(4) when the coal mine underground roadway is driven, frequent gear shifting under different working conditions is avoided, the environment quality of the underground coal mine roadway is improved, the harm to coal mine workers is reduced, and meanwhile, the labor intensity of maintenance workers is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a block diagram of the system of the present invention;
the system comprises a lithium battery box 1, a charging and discharging junction box 2, a motor controller 3, a motor 4 and a vehicle control unit 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an electric control system of a mining explosion-proof electric concrete mixing transportation truck, as shown in figure 1, comprising: the charging and discharging control system comprises a lithium battery box 1, a charging and discharging junction box 2, a motor 4, a motor controller 3 and a vehicle control unit 5; wherein, lithium battery box 1 links to each other with motor controller 3 through charge-discharge terminal box 2, and motor 4 links to each other with motor controller 3, and motor controller 3 links to each other with vehicle control unit 5.
In this embodiment, through the mode promotion system voltage of battery series-parallel connection, system's operating current reduces, has improved the security of colliery electrical system. The required battery connects the high-low voltage power supply and the communication with the motor controller and the vehicle control unit in a quick plug mode through the explosion-proof junction box, so that the battery of the explosion-proof concrete mixing transport vehicle is convenient to replace. The motor controller, the vehicle control unit and the battery are connected in a CAN bus mode, so that the whole system CAN ensure the safety and stability of the system through the coordinated operation of the vehicle control unit.
Further, lithium battery box 1 comprises shell, group battery and group battery management protection shield, and the group battery comprises explosion-proof lithium cell, and explosion-proof lithium cell is at least one.
Further, the vehicle control unit 5 is connected with the motor controller 3 in a CAN bus mode, and controls the battery pack to be powered on and powered off through the cab control panel.
Further, the method also comprises the steps of detecting whether the whole vehicle is in an insulation control mode or not through the whole vehicle controller 5 to control whether the vehicle is started or not; the method comprises the following specific steps: after the vehicle is electrified, an insulation monitoring module of the vehicle control unit 5 confirms whether insulation is good or not by monitoring phase-to-phase voltage and ground resistance, if the insulation is good, the high-voltage motor is allowed to be started, and if the insulation does not meet requirements, the high-voltage motor is disconnected, and the vehicle is not allowed to be started.
The motor controller is controlled by a cab control panel (the cab panel is provided with a power-on key switch and a forward and backward middle three-gear knob switch for respectively controlling the power-on, forward and backward directions of the vehicle) and an accelerator brake pedal signal to start the motor to run, so that the vehicle is controlled to walk, go backward and stop; and controlling the motor controller to operate to provide required pressure for the system through the detected hydraulic pressure of the operation of the transport vehicle. (the pressure is accumulator pressure, mainly provides the functions of vehicle brake release, concrete tank rotation and the like, after the vehicle is electrified, the motor 3 provides corresponding necessary pressure for the system through the pump, and when the pressure of the system is reduced due to load increase and the oil supplement amount of the pump is increased by increasing the rotating speed of the motor 3, the system pressure is maintained in a normal range.)
The concrete mixing is controlled by two paths of proportional electromagnetic valves to rotate and turn a motor of the rotary tank, the motor of the rotary tank is controlled by a hydraulic pipeline, the first path of oil inlet is closed to rotate forwards, the second path of oil inlet is closed to rotate backwards, the electromagnetic proportional reversing valve controls the opening of the reversing valve through the current, the reversing valve is increased to lift the rotating speed of the motor of the rotary tank, and otherwise, the rotating speed of the motor of the rotary tank is reduced.
Further, the vehicle control unit 5 controls the running speed of the motor 4 through the received voltage signal of the electronic accelerator pedal, controls the braking running speed of the motor 4 through the received voltage signal of the brake pedal, and charges the battery through the anti-dragging mechanism of the motor in the braking process of the motor 4.
The vehicle control unit controls the motor running speed in a curve mode, and the curve mode specifically comprises the following steps: establishing curve relation between the accelerator pedal voltage signal and the motor rotating speed range in a rectangular coordinate system, and drawing a curve by calibrating a plurality of points) (the change system of the accelerator opening degree by a driver provides motor controller control voltage according to points on the corresponding curve to enable the motor to reach the corresponding rotating speed, the motor rotating speed is contrastingly adjusted with the accelerator pedal opening degree through a signal fed back to a vehicle control unit, and the control logic is closed-loop control
Further, the charging and discharging junction box 2 comprises a terminal block, a pre-charging relay and a protection device; the terminal strip is connected with the lithium battery box, the terminal strip is connected with the pre-charging relay, and the pre-charging relay is connected with the protection device.
Furthermore, after the vehicle is powered on, the motor supplies pressure to the system through the pump, and when the pressure of the system is reduced due to the increase of the load, the oil supplementing quantity of the pump is increased by increasing the rotating speed of the motor, so that the pressure of the system is maintained in a normal range.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An electric control system of a mining explosion-proof electric concrete mixer truck is characterized by comprising a lithium battery box, a charging and discharging junction box, a motor controller and a whole vehicle controller; the lithium battery box is connected with the motor controller through the charging and discharging junction box, the motor is connected with the motor controller, and the motor controller is connected with the vehicle control unit.
2. The mining explosion-proof electric concrete mixer truck electric control system according to claim 1, characterized in that the lithium battery box is composed of a housing, a battery pack and a battery pack management protection board, the battery pack is composed of at least one explosion-proof lithium battery.
3. The electric control system of the mining explosion-proof electric concrete mixer truck according to claim 2, wherein the vehicle control unit is connected with the motor controller in a CAN bus manner, and controls the battery pack to be powered on and powered off through a cab control panel.
4. The electric control system of the mining explosion-proof electric concrete mixer truck according to claim 1, wherein the vehicle control unit controls the running speed of the motor through a received voltage signal of an electronic accelerator pedal, controls the running speed of the motor through a received voltage signal of a brake pedal, and charges the battery through an anti-dragging mechanism of the motor during braking.
5. The electric control system of the mining explosion-proof electric concrete mixer truck according to claim 1, characterized by further comprising a vehicle controller for detecting whether the vehicle is started or not by controlling the vehicle to be insulated; the method comprises the following specific steps: after the vehicle is electrified, the insulation monitoring module of the vehicle controller confirms whether insulation is good or not by monitoring phase-to-phase voltage and ground resistance, if the insulation is good, the high-voltage motor is allowed to be started, and if the insulation is not satisfactory, the high-voltage motor is disconnected, and the vehicle is not allowed to be started.
6. The mining explosion-proof electric concrete mixer truck electric control system according to claim 1, characterized in that the charge-discharge junction box comprises a terminal block, a pre-charge relay and a protection device; the terminal row with the lithium battery box links to each other, the terminal row with the pre-charge relay links to each other, the pre-charge relay with protection device links to each other.
7. The electric control system of the mining explosion-proof electric concrete mixer truck according to claim 1, characterized in that after the truck is powered on, the motor provides pressure to the system through the pump, and when the pressure of the system is reduced due to increased load, the oil supplement amount of the pump is increased by increasing the rotation speed of the motor to maintain the pressure of the system within a normal range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139091.1A CN114407682A (en) | 2022-02-15 | 2022-02-15 | Electric control system of mining explosion-proof electric concrete mixing transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139091.1A CN114407682A (en) | 2022-02-15 | 2022-02-15 | Electric control system of mining explosion-proof electric concrete mixing transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114407682A true CN114407682A (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210139091.1A Pending CN114407682A (en) | 2022-02-15 | 2022-02-15 | Electric control system of mining explosion-proof electric concrete mixing transport vehicle |
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| CN (1) | CN114407682A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454514A (en) * | 2006-06-01 | 2009-06-10 | 株式会社竹内制作所 | Work vehicle |
| CN205149563U (en) * | 2015-11-18 | 2016-04-13 | 上海中科力帆电动汽车有限公司 | Pure electric vehicles control system |
| EP3023212A1 (en) * | 2014-11-24 | 2016-05-25 | Cifa S.P.A. | Vehicle to project concrete |
| CN109849769A (en) * | 2019-03-26 | 2019-06-07 | 莱州亚通重型装备有限公司 | A kind of coal mine pure electric vehicle concrete mixing and transporting car |
| CN111016732A (en) * | 2018-10-09 | 2020-04-17 | 郑州宇通客车股份有限公司 | New energy automobile and battery management system thereof |
| CN211183501U (en) * | 2019-12-20 | 2020-08-04 | 东风汽车股份有限公司 | High-voltage integrated power distribution system |
| CN212738331U (en) * | 2020-08-26 | 2021-03-19 | 山西喆星安全技术开发有限公司 | Mining explosion-proof lithium battery remote control coal pushing tracked vehicle |
| CN112558583A (en) * | 2020-11-05 | 2021-03-26 | 智新控制系统有限公司 | Vehicle-mounted high-voltage safety detection system and automobile |
-
2022
- 2022-02-15 CN CN202210139091.1A patent/CN114407682A/en active Pending
Patent Citations (8)
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| CN101454514A (en) * | 2006-06-01 | 2009-06-10 | 株式会社竹内制作所 | Work vehicle |
| EP3023212A1 (en) * | 2014-11-24 | 2016-05-25 | Cifa S.P.A. | Vehicle to project concrete |
| CN205149563U (en) * | 2015-11-18 | 2016-04-13 | 上海中科力帆电动汽车有限公司 | Pure electric vehicles control system |
| CN111016732A (en) * | 2018-10-09 | 2020-04-17 | 郑州宇通客车股份有限公司 | New energy automobile and battery management system thereof |
| CN109849769A (en) * | 2019-03-26 | 2019-06-07 | 莱州亚通重型装备有限公司 | A kind of coal mine pure electric vehicle concrete mixing and transporting car |
| CN211183501U (en) * | 2019-12-20 | 2020-08-04 | 东风汽车股份有限公司 | High-voltage integrated power distribution system |
| CN212738331U (en) * | 2020-08-26 | 2021-03-19 | 山西喆星安全技术开发有限公司 | Mining explosion-proof lithium battery remote control coal pushing tracked vehicle |
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