CN107222965B - Mine car ladder lamp control circuit with bus keyboard - Google Patents
Mine car ladder lamp control circuit with bus keyboard Download PDFInfo
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- CN107222965B CN107222965B CN201710639088.5A CN201710639088A CN107222965B CN 107222965 B CN107222965 B CN 107222965B CN 201710639088 A CN201710639088 A CN 201710639088A CN 107222965 B CN107222965 B CN 107222965B
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- ladder
- ladder lamp
- bus
- controller
- lamp
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a mine car ladder lamp control circuit with a bus keyboard and a control method thereof, wherein a ladder lamp is arranged at a ladder climbing entrance of a mining dump truck; the bus keyboard is installed in the cab, and the power supply end is all connected to the one end of ladder lamp switch S1, the power supply end of bus keyboard and the one end of switch in the relay, and bus keyboard connection director, the digital input end of controller is connected to the other end of ladder lamp switch S1, and the ground is connected behind the digital output end connection relay coil of controller, and the ground is connected behind power supply end, relay switch and the ladder lamp series connection. The control of the ladder lamp is realized by adopting a bus keyboard and a controller in combination with a traditional switch, so that the electric wiring can be greatly saved; the ladder lamp can be operated by sitting in the cab. The invention provides a control method and a flow chart for a controller to control a ladder lamp, wherein the method adopts Flag to record state change values of a ladder lamp switch S1 and a ladder lamp key S2 on a bus keyboard, and determines the on-off of the ladder lamp by judging the parity of the Flag value.
Description
Technical Field
The invention relates to a mine car ladder lamp control circuit with a bus keyboard and a control method thereof, belonging to the technical field of ladder lamp control of mining dump trucks of large electric vehicles.
Background
The electric drive mining dump truck is one of important transportation equipment in mining surface mining and large-scale earthwork construction. The cab of the electric mining dump truck is internally provided with a plurality of rocker switches for controlling front headlamps, fog lamps, outline marker lamps, ladder lamps, emergency signal lamps and the like, and bus keyboards are adopted to replace the rocker switches for controlling the lamps to become a trend.
The mining dump truck of the large electric vehicle is 5 meters high, and a climbing ladder is arranged for a driver to get on or off the mining dump truck. Night operation is a common working state of a mining dump truck of a large-sized electric vehicle. Ladder lamps are required to be arranged for lighting for facilitating drivers to get on or off at night.
The ladder lamp switches S1 in the prior art are two, one is arranged at the entrance of the ladder, the other is arranged in the cab, and the two duplex rocker switches are connected in series by adopting a power line.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a mine car ladder lamp control circuit with a bus keyboard and a control method thereof, wherein the mine car ladder lamp control circuit is provided with the bus keyboard in a cab instead of a rocker switch.
In order to achieve the above purpose, the invention provides a mine car ladder lamp control circuit with a bus keyboard, which comprises a ladder lamp, wherein the ladder lamp is arranged at the entrance of a ladder of a mining dump truck, the mine car ladder lamp comprises a controller, a ladder lamp switch S1, a bus keyboard, a relay and a power supply end, the bus keyboard comprises a ladder lamp key S2 for controlling the state of the ladder lamp, the bus keyboard is arranged in a cab, one end of the ladder lamp switch S1, the power supply end of the bus keyboard and one end of a switch in the relay are all connected with the power supply end, the bus keyboard is connected with the controller, the other end of the ladder lamp switch S1 is connected with the digital input end of the controller, the digital output end of the controller is connected with a coil in the relay and then grounded, and the power supply end, the switch in the relay and the ladder lamp are connected in series and then grounded.
Preferentially, the CAN_H port and the CAN_L port of the bus keyboard are respectively connected with the corresponding CAN_H port and CAN_L port on the controller.
Preferentially, the mining vehicle electric cabinet is arranged on the mining dump truck, and the relay, the controller and the power supply end are all arranged in the mining vehicle electric cabinet.
Preferentially, the controller determines the on-off of the ladder lamp according to the collected state information of the ladder lamp switch S1 and the bus keyboard ladder lamp key S2.
Preferentially, the bus keyboard is used as one input end of the controller, the on-off of the ladder lamp is controlled in the cab through the bus keyboard ladder lamp key S2, and the GND end of the bus keyboard is grounded.
Preferably, the power supply terminal adopts +24v.
A control method of a mine car ladder lamp control circuit with a bus keyboard comprises the following steps:
step T1, defining a ladder lamp state quantity Flag in a controller, and defining the Flag to be 0 when the controller is initially electrified;
step T2, judging the state of the ladder light switch S1, if the ladder light switch S1 is changed from on to off or from off to on, increasing the Flag by 1 and storing, and if the state of the ladder light switch S1 is unchanged, keeping the Flag unchanged;
step T3, judging the state of the ladder light key S2 on the bus keyboard, if the ladder light key S2 is pressed or changed into release from pressing, increasing Flag by 1 and storing, and if the state of the ladder light key S2 is unchanged, keeping Flag unchanged;
step T4, judging whether the Flag value is even, if so, enabling the D0 output end of the controller to output low level, and enabling the ladder lamp to be turned off; if the Flag value is odd, the D0 output end of the controller is enabled to output a high level, and the ladder lamp is enabled to be lighted.
Preferably, the controller determines the on/off of the ladder light by a Flag value, which is determined by the state of the ladder light switch S1 and the state of the ladder light key S2 on the bus keypad.
The invention has the beneficial effects that:
the invention adopts the bus keyboard and the controller to combine with the traditional switch to realize the control of the ladder lamp, the controller is the whole vehicle controller, the controller is used for controlling the ladder lamp, and the bus keyboard is used for greatly saving electric wiring, simplifying the structure and increasing the electric stability of the whole vehicle; meanwhile, the situation that the ladder lamp can be turned on and off only by the switch at the entrance of the cat ladder in the past is improved, and the ladder lamp can be controlled by sitting in the cab, so that the operation is convenient and fast.
Drawings
FIG. 1 is a circuit diagram of the present invention;
fig. 2 is a flow chart of a control method of the present invention.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
The utility model provides a mine car ladder lamp control circuit who is furnished with bus keyboard, includes the ladder lamp, ladder lamp installs in mining dump truck cat ladder entrance, including controller, ladder lamp switch S1, bus keyboard, relay and power supply end, bus keyboard is including ladder lamp button S2 that is used for controlling ladder lamp state, bus keyboard installs in the driver 'S cabin, ladder lamp switch S1' S one end bus keyboard 'S power supply end with the one end of switch all is connected in the relay the power supply end, bus keyboard connects the controller, ladder lamp switch S1' S the other end is connected the digital input end of controller, the digital output end of controller is connected ground after the coil in the relay, the power supply end switch with ground after the ladder lamp establishes ties.
Further, the CAN_H port and the CAN_L port of the bus keyboard are respectively connected with the corresponding CAN_H port and CAN_L port on the controller.
Further, the mining vehicle electric cabinet is fixedly arranged on the mining dump truck, and the relay, the controller and the power supply end are all arranged in the mining vehicle electric cabinet.
Further, the controller determines the on/off of the ladder lamp according to the collected state information of the ladder lamp switch S1 and the bus keyboard ladder lamp key S2.
Further, the bus keyboard is used as an input end of the controller, the on-off of the ladder lamp is controlled in the cab through the bus keyboard ladder lamp key S2, and the GND end of the bus keyboard is grounded.
Further, the power supply end adopts +24V.
The whole vehicle communication network connects the bus keyboard communication port with the CAN communication port of the controller, and the control of the ladder lamp in the cab CAN be input to the controller through the bus keyboard; the ladder lamp switch is connected to the input port of the controller, so that the operation of the ladder lamp at the entrance of the cat ladder can be input to the controller; the output port of the controller is connected with the relay, the relay controls the ladder lamp to be turned on or off, and the on or off of the ladder lamp is determined by the state of the output port of the controller; the controller collects the switching state of the ladder lamp and the state of the bus keyboard ladder lamp, and gives out a control method according to the input state.
A control method of a mine car ladder lamp control circuit with a bus keyboard comprises the following steps:
step T1, defining a ladder lamp state quantity Flag in a controller, and defining the Flag to be 0 when the controller is initially electrified;
step T2, judging the state of the ladder light switch S1, if the ladder light switch S1 is changed from on to off or from off to on, increasing the Flag by 1 and storing, and if the state of the ladder light switch S1 is unchanged, keeping the Flag unchanged;
step T3, judging the state of the ladder light key S2 on the bus keyboard, if the ladder light key S2 is pressed or changed into release from pressing, increasing Flag by 1 and storing, and if the state of the ladder light key S2 is unchanged, keeping Flag unchanged;
step T4, judging whether the Flag value is even, if so, enabling the D0 output end of the controller to output low level, and enabling the ladder lamp to be turned off; if the Flag value is odd, the D0 output end of the controller is enabled to output a high level, and the ladder lamp is enabled to be lighted.
Further, the controller determines the on/off of the ladder light by the Flag value, which is determined by the state of the ladder light switch S1 and the state of the ladder light key S2 on the bus keyboard.
According to the invention, the state change of the ladder lamp switch S1 and the state change of the bus keyboard corresponding to the ladder lamp key S2 are collected by the controller, the state of the output port D0 of the controller is changed according to the state change, and the relay is used for controlling the on and off of the ladder lamp. The control requirement of the whole car ladder lamp is met, the ladder lamp is integrated to the bus keyboard, and the concentration of the whole car control is improved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. The mine car ladder lamp control circuit with the bus keyboard comprises a ladder lamp, wherein the ladder lamp is arranged at the ladder entrance of a mining dump truck, and is characterized by comprising a controller, a ladder lamp switch S1, a bus keyboard, a relay and a power supply end, wherein the bus keyboard comprises a ladder lamp key S2 for controlling the state of the ladder lamp, the bus keyboard is arranged in a cab, one end of the ladder lamp switch S1, the power supply end of the bus keyboard and one end of a switch in the relay are all connected with the power supply end, the bus keyboard is connected with the controller, the other end of the ladder lamp switch S1 is connected with the digital input end of the controller, the digital output end of the controller is connected with a coil in the relay and then grounded, and the power supply end, the relay switch and the ladder lamp are connected in series;
the mine car ladder lamp control circuit with the bus keyboard executes the following steps:
step T1, defining a ladder lamp state quantity Flag in a controller, and defining the Flag to be 0 when the controller is initially electrified;
step T2, judging the state of the ladder light switch S1, if the ladder light switch S1 is changed from on to off or from off to on, increasing the Flag by 1 and storing, and if the state of the ladder light switch S1 is unchanged, keeping the Flag unchanged;
step T3, judging the state of the ladder light key S2 on the bus keyboard, if the ladder light key S2 is pressed or changed into release from pressing, increasing Flag by 1 and storing, and if the state of the ladder light key S2 is unchanged, keeping Flag unchanged;
step T4, judging whether the Flag value is even, if so, enabling the D0 output end of the controller to output low level, and enabling the ladder lamp to be turned off; if the Flag value is odd, the D0 output end of the controller is enabled to output a high level, and the ladder lamp is enabled to be lighted.
2. The mine car ladder lamp control circuit with the bus keypad according to claim 1, wherein the can_h port and the can_l port of the bus keypad are respectively connected with the corresponding can_h port and can_l port on the controller.
3. The mine car ladder lamp control circuit with the bus keyboard according to claim 1, comprising a mine car electrical cabinet fixedly installed on a mining dump truck, wherein the relay, the controller and the power supply end are all installed in the mine car electrical cabinet.
4. The mine car ladder lamp control circuit with the bus keyboard according to claim 1, wherein the controller determines the on/off of the ladder lamp according to the collected state information of the ladder lamp switch S1 and the bus keyboard ladder lamp key S2.
5. A mine car ladder lamp control circuit with a bus keypad as defined in claim 1, wherein the bus keypad is used as an input terminal of the controller, the ladder lamp is turned on and off in the cab by bus keypad ladder lamp button S2, and GND terminal of the bus keypad is grounded.
6. A mine car ladder light control circuit with a bus keypad as in claim 1, wherein the power supply terminal is +24v.
7. The mine car ladder lamp control circuit with the bus keyboard according to claim 1, wherein the controller judges the on/off of the ladder lamp through a Flag value, and the Flag value is determined by the state of the ladder lamp switch S1 and the state of the ladder lamp key S2 on the bus keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639088.5A CN107222965B (en) | 2017-07-31 | 2017-07-31 | Mine car ladder lamp control circuit with bus keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639088.5A CN107222965B (en) | 2017-07-31 | 2017-07-31 | Mine car ladder lamp control circuit with bus keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107222965A CN107222965A (en) | 2017-09-29 |
| CN107222965B true CN107222965B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710639088.5A Active CN107222965B (en) | 2017-07-31 | 2017-07-31 | Mine car ladder lamp control circuit with bus keyboard |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205149632U (en) * | 2015-10-23 | 2016-04-13 | 中联重机股份有限公司 | Tractor work light controller and control system ; tractor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277892B (en) * | 2011-06-23 | 2013-01-16 | 上海三一重机有限公司 | Controller area network (CAN)-bus-based excavator electrical component control system and method |
| CN203338082U (en) * | 2012-12-28 | 2013-12-11 | 江阴振江生物科技有限公司 | Intelligent greenhouse group control system based on RS485 bus |
| CN106740577A (en) * | 2016-12-30 | 2017-05-31 | 徐州徐工挖掘机械有限公司 | A kind of quarry tipper control system based on CAN communication |
| CN206993468U (en) * | 2017-07-31 | 2018-02-09 | 徐州徐工矿山机械有限公司 | A kind of mine car ladder lamp control circuit equipped with bus keyboard |
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2017
- 2017-07-31 CN CN201710639088.5A patent/CN107222965B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205149632U (en) * | 2015-10-23 | 2016-04-13 | 中联重机股份有限公司 | Tractor work light controller and control system ; tractor |
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| CN107222965A (en) | 2017-09-29 |
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Address after: 221005 39 Gaoxin Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: XUZHOU XCMG MINING MACHINERY Co.,Ltd. Address before: 221005 39 Gaoxin Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XUZHOU XCMG MINING MACHINERY Co.,Ltd. |