CN109882299B - Speed controller of diesel crank arm aerial working platform - Google Patents
Speed controller of diesel crank arm aerial working platform Download PDFInfo
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- CN109882299B CN109882299B CN201910160595.XA CN201910160595A CN109882299B CN 109882299 B CN109882299 B CN 109882299B CN 201910160595 A CN201910160595 A CN 201910160595A CN 109882299 B CN109882299 B CN 109882299B
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Abstract
The invention relates to a speed controller of a diesel crank aerial working platform, which comprises an engine controller and a diesel ground control controller or a diesel crank aerial working platform column control controller, wherein after the engine is started, the engine controller performs idle speed control on a motor for a period of time, the diesel ground control controller or the diesel crank aerial working platform column control controller controls automatic switching medium-speed control, and then a user can perform high-speed and medium-speed switching according to own needs. By adopting the scheme, the motor is controlled by the engine controller, after the motor is started and idling for a period of time, the motor is automatically switched to medium-speed control, and a subsequent user can switch high speed and low speed according to own requirements. Therefore, the direct switching to a medium speed control state during the starting of the engine is avoided, and the service life of the engine is greatly prolonged.
Description
Technical Field
The invention belongs to the field of electronics, and particularly relates to a speed controller of a diesel crank arm aerial work platform.
Background
For a diesel crank arm aerial working platform, the traditional control speed is mechanical control, and is divided into a high speed state and a low speed state through two states of power-on and power-off of the accelerator, wherein the engine is in a high speed state when the accelerator is powered on, and the engine is in a low speed state when the accelerator is in a power-off state. The engine is directly controlled at low speed after starting.
The engine is controlled by mechanical speed for a long time, and the engine is started to be controlled directly at a low speed, so that the service life of the engine is greatly shortened, and the after-sale maintenance cost of the engine is increased.
Disclosure of Invention
The invention aims to provide a speed controller of a diesel crank aerial working platform, wherein a motor directly enters idle speed control after the motor is started, so that the condition that the motor is directly switched to a medium speed control state when the engine is started is avoided, and the service life of the engine is greatly prolonged.
The technical implementation scheme of the invention is as follows: the speed controller of the diesel crank arm aerial work platform comprises an engine controller and a diesel ground control controller or a diesel crank arm platform column control controller, wherein one end of an engine starting contactor coil is connected to one end of a starting locking relay normally closed point, the other end of the starting locking relay normally closed point is connected to one end of a starting motor relay normally open point, the other end of the starting motor relay normally open point is connected to a lower control stabilized voltage supply module power supply B+ end, one end of the starting motor relay coil is connected to a control port of the diesel ground control controller, the other end of the starting motor relay coil is connected to a stabilized voltage supply module power supply B-end, the transfer speed control end of the diesel ground control controller is connected to one end of a first intermediate relay coil, the other end of the coil is connected to a lower control stabilized voltage supply module power supply B-end, one end of a first intermediate relay coil is connected to a first control port of the engine controller, the other end of a first intermediate relay normally open coil is connected to a second control port of the engine controller, the other end of the first intermediate relay normally open coil is connected to a lower control stabilized voltage supply module power supply B-end, the second intermediate relay coil is connected to a first end of the diesel crank arm platform column control port, the first end of the diesel crank arm control panel control is connected to the first end of the diesel crank arm control panel control end, the diesel crank arm control panel control end is connected to the first end of the first normally open end of the engine control panel control end of the engine control controller, the first normally open end of the engine control panel control end is connected to the first end of the engine normally open control end of the engine control controller, the push button switch can switch between medium and high speed control. After the engine is started, the diesel crank arm platform fence control controller or the diesel ground control controller software program controls the engine to idle for a period of time, the diesel ground control controller or the diesel crank arm platform fence control controller software program controls the automatic switching of the medium-speed control of the engine, and then the high-speed and medium-speed switching of the engine can be performed according to actual needs.
Based on the above object, a further improvement of the present invention is: when the diesel crank arm is in a platform fence control mode and is in a walking/steering function, when the foot switch is in a non-enabling state and the medium speed selection switch, the high speed selection switch, the turntable limit switch and the arm non-lifting switch are in an empty state, the motor is in an idle state; when the foot switch and the medium speed selection switch are in an enabling state and the high speed selection switch, the turntable limit switch and the arm non-lifting switch are in an empty state, the motor is in a medium speed state; when the foot switch is in an enabling state, the medium-speed selection switch is in a non-enabling state, and the high-speed selection switch, the turntable limit switch and the arm non-lifting switch are in an enabling state, the motor is in a high-speed state; when the foot switch is in the enabling state, the medium speed selection switch is in the disabling state, and at least one of the high speed selection switch, the turntable limit switch and the arm non-lifting switch is in the disabling state, the motor is in the medium speed state.
Based on the above object, a further improvement of the present invention is: when the functional arm, the turntable, the forearm, the platform bar ascend/descend and the platform bar left/right are in a platform bar control mode, the motor is in an idle state when the foot switch is in a non-enabled state and the medium speed selection switch and the high speed selection switch are in an empty state; when the foot switch and the medium speed selection switch are in an enabling state and the high speed selection switch is in an empty state, the motor is in a medium speed state; when the foot switch is in the enabling state, the medium speed selection switch is in the non-enabling state and the high speed selection switch is in the enabling state, the motor is in the high speed state.
Based on the above object, a further improvement of the present invention is: when the upper arm, the turntable, the forearm, the platform rail ascend/descend and the platform rail left/right are in a ground control mode, and the middle speed selection switch and the high speed selection switch are in a non-enabling state, the motor is in an idling state; when the medium-speed selection switch is in an enabling state and the high-speed selection switch is in an empty state, the motor is in a medium-speed state; when the medium speed selection switch is in a non-enabled state and the high speed selection switch is in an enabled state, the motor is in a high speed state.
Advantageous effects
By adopting the scheme, the engine controller controls the motor, after the engine is started and the engine controller controls idle speed to run for 3 seconds, the control is automatically switched to medium-speed control through the diesel ground control controller or the diesel crank arm platform rail control controller, and then the high-speed and low-speed switching can be performed according to actual requirements. Therefore, the direct switching to a low-speed control state during the starting of the engine is avoided, and the service life of the engine is greatly prolonged.
Drawings
FIG. 1 is a schematic diagram of a third lower control scheme in accordance with an embodiment of the present invention;
FIG. 2 is a third lower control schematic diagram of a second embodiment of the present invention;
FIG. 3 is a third lower control schematic diagram of a third embodiment of the present invention;
FIG. 4 is a diagram showing a third lower control schematic of an embodiment of the present invention;
FIG. 5 is a third lower control schematic diagram of an embodiment of the present invention;
FIG. 6 is a schematic diagram of a first and a second upper control scheme according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a first and a second upper control scheme according to an embodiment of the present invention;
FIG. 8 is a third schematic diagram of a first and second upper control scheme according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of engine control of first, second and third embodiments of the present invention;
FIG. 10 is a schematic diagram of a first, second, and third engine control scheme in accordance with an embodiment of the present invention;
fig. 11 is a schematic diagram of a first, second and third speed control operation according to an embodiment of the present invention.
Detailed Description
In order to make the objects, the principle and advantages of the technical scheme of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description. In this embodiment, the specific embodiments described are merely for explaining the present invention, and are not intended to limit the present invention.
Example 1
As shown in fig. 6 to 8, the controller of the diesel crank aerial work platform comprises an engine controller and a diesel crank platform rail controller (colloquially-called upper control) controller GP440, in addition, as shown in fig. 9 and 10, one end of a coil of an engine starting contactor KM1001 is connected to one end of a normally closed point of a starting locking relay KAS1 (the purpose of the starting locking relay is to prevent the engine from being mistakenly operated to press a starting button and damage the engine) in an operating state, the other end of the normally closed point of the starting locking relay is connected to one end of a normally open point of a starting motor relay KA0301, the other end of the normally open point of the starting motor relay KA0301 is connected to a power supply b+ end of a DC12VTBM board, one end of an engine starting switch SA0707 is connected to an eleventh control port PP14-11 of the diesel crank platform rail controller GP440, a high rotating speed end of a button switch SA0709 is connected to a fifteenth control port PP14-15 of the diesel crank platform rail controller (colloquially-called upper control), and the rotating speed of the button switch SA0709 is connected to the first control port PP14-15 of the diesel crank platform rail controller (colloquially-called upper control). The diesel crank arm platform rail control (commonly called upper control) controller GP440 software program controls the idle running after the engine is started, and after the idle running is started for a period of time, for example, after 3 seconds, the middle speed running control is automatically switched, and then a user can switch between high speed and middle speed according to own needs. As shown in fig. 11, when in the walk/turn function, the diesel crank is in the platform bar control mode (commonly known as upper control), when the foot switch is in the disabled state and the medium speed selection switch, the high speed selection switch, the turntable limit switch and the arm non-lifting switch are in the empty state, the motor is in the idle state; when the foot switch and the medium speed selection switch are in an enabling state and the high speed selection switch, the turntable limit switch and the arm non-lifting switch are in an empty state, the motor is in a medium speed state; when the foot switch is in an enabling state, the medium-speed selection switch is in a non-enabling state, and the high-speed selection switch, the turntable limit switch and the arm non-lifting switch are in an enabling state, the motor is in a high-speed state; when the foot switch is in the enabling state, the medium speed selection switch is in the disabling state, and at least one of the high speed selection switch, the turntable limit switch and the arm non-lifting switch is in the disabling state, the motor is in the medium speed state.
Example two
As shown in fig. 6 to 8, the controller of the diesel crank aerial working platform comprises an engine controller CM2880A and a diesel crank aerial platform column controller (commonly called upper control) GP440, in addition, as shown in fig. 9 and 10, one end of a coil of an engine starting contactor KM1001 is connected to one end of a normally closed point of a starting locking relay KAS1 (the purpose of the starting locking relay is to prevent the engine from being in an operating state, an operator can mistakenly operate a starting button to damage the engine), the other end of the normally closed point of the starting locking relay KAS1 is connected to one end of a normally open point of a starting motor relay KA0301, the other end of the normally open point of the starting motor relay KA0301 is connected to a control port b+ of a DC12V TBM board, the other end of the coil of the starting motor relay KA0301 is connected to a power B-end of the TBM board, one end of an engine starting switch 0707 is connected to an eleventh control port PP14-11 of the diesel crank aerial platform column controller GP440, the other end of the normally closed point of the starting motor relay KA0301 is connected to the normally open point PP-top control point PP 0709, and the diesel crank arm controller PP is switched to the normally open point PP-top end of the diesel crank arm control point 0701 (commonly called upper control) 440, and the diesel crank arm control point is switched to the normally open point PP-top control point PP-9 is switched to the normally open point of the diesel crank arm control point 0701. The diesel ground control controller GP440 software programs the idle operation after the engine is started, and automatically switches the medium speed operation control after the idle operation is started for a period of time, for example, after 3 seconds, and then the user can switch between the high speed and the medium speed according to own needs. As shown in fig. 11, when the function arm, the turntable, the forearm, the platform bar up/down, and the platform bar left/right are in the platform bar control mode (colloquially referred to as the upper control mode), the motor is in the idle state when the foot switch is in the disabled state and the medium speed selection switch and the high speed selection switch are in the empty state; when the foot switch and the medium speed selection switch are in an enabling state and the high speed selection switch is in an empty state, the motor is in a medium speed state; when the foot switch is in the enabling state, the medium speed selection switch is in the non-enabling state and the high speed selection switch is in the enabling state, the motor is in the high speed state.
Example III
As shown in fig. 1 to 5, the speed controller of the diesel crank aerial working platform comprises an engine controller CM2880A and a diesel ground control (commonly called lower control) controller GP400C, in addition, as shown in fig. 9 and 10, one end of a coil of an engine starting contactor KM1001 is connected to one end of a normally closed point of a starting locking relay KAS1 (the purpose of the starting locking relay is to prevent the engine from being damaged due to misoperation of a starting button when the engine is in an operating state), the other end of the normally closed point of the starting locking relay KAS1 is connected to one end of a normally open point of a starting motor relay KA0301, the other end of the normally open point of the starting motor relay KA0301 is connected to a control port of a DC12V TBM board power supply b+ end, the other end of the coil of the starting motor relay KA0301 is connected to a control port of the diesel ground control controller GP400C, the rotating speed control end P6-4 of the diesel ground control controller is connected to one end of a coil of a first intermediate relay KA0302, the other end of the coil is connected to the power supply B-end of a lower control TBM board, one end of a normally open coil of the first intermediate relay KA0302 is connected to a first control port 81 of an engine controller CM2880, the other end of a normally open coil of the first intermediate relay KA0302 is connected to a second control port 43 of the engine controller CM2880A, the high rotating speed control end P6-5 of the diesel ground control controller is connected to one end of a coil of a second intermediate relay KA0303, the other end of the coil is connected to the power supply B-end of the lower control TBM board, one end of a normally open coil of the second intermediate relay KA0303 is connected to a third control port 61 of the engine controller CM2880A, the other end of a normally open coil of the second intermediate relay KA0303 is connected to a second control port 43 of the engine controller CM2880A, after the diesel ground control controller GP400C controls the engine to start, after the engine runs at idle speed for a period of time, for example, after 3 seconds of idle running, the diesel ground control (commonly known as lower control) controller GP400C is controlled by a software program to be automatically switched to medium-speed control, and then a user can switch between high speed and medium speed according to own needs. As shown in fig. 11, when the upper arm, the turntable, the forearm, the platform rail are raised/lowered and the platform rail left/right is in the ground control mode (commonly referred to as the lower control mode), the motor is in an idle state when the medium speed selection switch and the high speed selection switch are in a disabled state; when the medium-speed selection switch is in an enabling state and the high-speed selection switch is in an empty state, the motor is in a medium-speed state; when the medium speed selection switch is in a non-enabled state and the high speed selection switch is in an enabled state, the motor is in a high speed state.
The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.
Claims (4)
1. Speed controller of diesel crank aerial work platform, its characterized in that: the system comprises an engine controller and a diesel ground control controller or a diesel crank arm platform rail control controller, wherein one end of a coil of an engine starting contactor is connected to one end of a normally closed point of a starting locking relay, the other end of the normally closed point of the starting locking relay is connected to one end of a relay normally open point of a starting motor, the other end of the relay normally open point of the starting motor is connected to a power B+ end of a lower control stabilized voltage power module, one end of the relay coil of the starting motor is connected to a control port of the diesel ground control controller, the other end of the relay coil of the starting motor is connected to a power B-end of the stabilized voltage power module, the relay speed control end of the diesel ground control controller is connected to one end of a first intermediate relay coil, the other end of the coil is connected to a first control port of the engine controller, the other end of the relay normally open coil of the first intermediate relay is connected to a second control port of the engine controller, the first end of the relay normally open coil of the first intermediate relay is connected to a first control port of the diesel crank arm platform rail controller, the first end of the diesel crank arm control controller is connected to a high speed switch platform switch, the first end of the diesel crank arm control relay is connected to the engine controller, the first end of the diesel crank arm control platform is connected to the first end of the diesel crank arm control controller, the first end of the diesel crank arm control controller is connected to the first end of the diesel crank arm control controller, and the first end of the diesel crank arm control controller is connected to the engine control controller; after the engine is started, the diesel crank arm platform fence control controller or the diesel ground control controller software program controls the engine to idle for a period of time, the diesel ground control controller or the diesel crank arm platform fence control controller software program controls the automatic switching of the medium-speed control of the engine, and then the high-speed and medium-speed switching of the engine can be performed according to actual needs.
2. The diesel crank aerial work platform speed controller of claim 1 wherein: when the diesel crank arm is in a platform fence control mode and is in a walking/steering function, when the foot switch is in a non-enabling state and the medium speed selection switch, the high speed selection switch, the turntable limit switch and the arm non-lifting switch are in an empty state, the motor is in an idle state; when the foot switch and the medium speed selection switch are in an enabling state and the high speed selection switch, the turntable limit switch and the arm non-lifting switch are in an empty state, the motor is in a medium speed state; when the foot switch is in an enabling state, the medium-speed selection switch is in a non-enabling state, and the high-speed selection switch, the turntable limit switch and the arm non-lifting switch are in an enabling state, the motor is in a high-speed state; when the foot switch is in the enabling state, the medium speed selection switch is in the disabling state, and at least one of the high speed selection switch, the turntable limit switch and the arm non-lifting switch is in the disabling state, the motor is in the medium speed state.
3. The diesel crank aerial work platform speed controller of claim 1 wherein: when the functional arm, the turntable, the forearm, the platform bar ascend/descend and the platform bar left/right are in a platform bar control mode, the motor is in an idle state when the foot switch is in a non-enabled state and the medium speed selection switch and the high speed selection switch are in an empty state; when the foot switch and the medium speed selection switch are in an enabling state and the high speed selection switch is in an empty state, the motor is in a medium speed state; when the foot switch is in the enabling state, the medium speed selection switch is in the non-enabling state and the high speed selection switch is in the enabling state, the motor is in the high speed state.
4. The diesel crank aerial work platform speed controller of claim 1 wherein: when the upper arm, the turntable, the forearm, the platform rail ascend/descend and the platform rail left/right are in a ground control mode, and the middle speed selection switch and the high speed selection switch are in a non-enabling state, the motor is in an idling state; when the medium-speed selection switch is in an enabling state and the high-speed selection switch is in an empty state, the motor is in a medium-speed state; when the medium speed selection switch is in a non-enabled state and the high speed selection switch is in an enabled state, the motor is in a high speed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160595.XA CN109882299B (en) | 2019-03-04 | 2019-03-04 | Speed controller of diesel crank arm aerial working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160595.XA CN109882299B (en) | 2019-03-04 | 2019-03-04 | Speed controller of diesel crank arm aerial working platform |
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| Publication Number | Publication Date |
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| CN109882299A CN109882299A (en) | 2019-06-14 |
| CN109882299B true CN109882299B (en) | 2024-02-27 |
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| CN201910160595.XA Active CN109882299B (en) | 2019-03-04 | 2019-03-04 | Speed controller of diesel crank arm aerial working platform |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0734911A (en) * | 1993-07-20 | 1995-02-03 | Nippon Cable Syst Inc | Accelerator control device |
| CN1170815A (en) * | 1997-05-13 | 1998-01-21 | 叶邦恩 | Electromagnetic valve oil cut-off control mechanism for diesel engine |
| CN102128093A (en) * | 2010-01-19 | 2011-07-20 | 井关农机株式会社 | Engine control device for tractor |
| CN209761567U (en) * | 2019-03-04 | 2019-12-10 | 美通重工有限公司 | Speed controller of diesel crank arm aerial work platform |
-
2019
- 2019-03-04 CN CN201910160595.XA patent/CN109882299B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0734911A (en) * | 1993-07-20 | 1995-02-03 | Nippon Cable Syst Inc | Accelerator control device |
| CN1170815A (en) * | 1997-05-13 | 1998-01-21 | 叶邦恩 | Electromagnetic valve oil cut-off control mechanism for diesel engine |
| CN102128093A (en) * | 2010-01-19 | 2011-07-20 | 井关农机株式会社 | Engine control device for tractor |
| CN209761567U (en) * | 2019-03-04 | 2019-12-10 | 美通重工有限公司 | Speed controller of diesel crank arm aerial work platform |
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| Publication number | Publication date |
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| CN109882299A (en) | 2019-06-14 |
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