CN102720240B - Flameout delay and outage control system for excavating machine - Google Patents
Flameout delay and outage control system for excavating machine Download PDFInfo
- Publication number
- CN102720240B CN102720240B CN201210215035.8A CN201210215035A CN102720240B CN 102720240 B CN102720240 B CN 102720240B CN 201210215035 A CN201210215035 A CN 201210215035A CN 102720240 B CN102720240 B CN 102720240B
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- relay
- engine
- controller
- control system
- electric lock
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Abstract
The invention relates to a flameout delay and outage control method and a flameout delay and outage control system for an excavating machine. In order to overcome the defects of complicated structures and fixed delay time of the conventional flameout delay and outage control system for the excavating machine, the flameout delay and outage control system and the flameout delay and outage control method for the excavating machine are provided. The system comprises an electric lock switch, a storage battery, a relay, a controller, a detection device and other electric equipment, wherein the storage battery is connected with a terminal of an electromagnetic coil of the relay through the electric lock switch; the other electric equipment is connected with the storage battery through the relay; and when the electric lock switch is turned off, the controller outputs a high potential to switch on the relay if an engine is positioned in an operating state, and the controller outputs a lower potential to switch off the relay if the engine is positioned in a stalling state. By the control method, whether a power supply is switch off is determined according to the on-off of the engine after the electric lock switch is turned off; and compared with the prior art, the system has the advantages that a delay relay is not provided in structure, so that the system has a simple structure and is low in cost, and an outage occasion is consistent with a stalling occasion of the engine.
Description
Technical field
The present invention relates to a kind of control method and system, particularly relate to a kind of excavator and to stop working the control method of delay cut-off and control system.
Background technology
Current excavator is all adopt flame-out time-delay relay to control excavator power-off, in such systems, engine electric lock switch is connected with storage battery relay by time-delay relay, after electric lock switch disconnects, after engine misses, flame-out time-delay relay still keeps to car load continued power certain hour, such as existing excavator uses flame-out time-delay relay to control flame-out time delay 6 second usually, 6 seconds are fixing, this also needs to power for 6 seconds to car load after causing each stopping working, and in fact according to the characteristic of engine, service time, the differences such as engine speed height, engine becomes time certain value 0.5 second to 3 seconds of not operating condition from operating condition.The shortcoming of this way is: structure needs increase flame-out time-delay relay, and cost increases; And flame-out delay time does not decide according to engine operating status, flame-out delay time set by it is so that from engine operating status to engine, the most-likely time of operating condition does not calculate, therefore usually there is engine to stop working, but excavator power supply still to other electrical equipment powered operation, is easily misunderstood.
Summary of the invention
The technical problem to be solved in the present invention is complicated for existing excavator delay cut-off control system of stopping working, the shortcoming that delay time is fixing, and the control method providing simple, carry out delay cut-off according to engine condition the excavator of a kind of structure to stop working delay cut-off and control system.
The present invention is the technical scheme that its technical problem of solution adopts: provide the control system that a kind of excavator stops working delay cut-off, it comprises electric lock switch, battery, relay, controller, checkout gear, other electrical equipments, battery is connected with the solenoid terminals of relay through electric lock switch, other electrical equipments are connected with battery through relay, checkout gear is connected with controller, for detecting engine operating status signal, controller is used for the detection signal of receiving detection device and judges whether engine is in operating condition, the control output end of controller is connected with the solenoid terminals of relay, when electric lock switch disconnects, if engine is in operating condition, controller exports high potential and makes relay closes, if engine is in stop state, controller exports electronegative potential makes relay disconnect.In control system of the present invention, do not have time-delay relay, simplify Control system architecture, when engine stop rotates, relay disconnects, and the state according to engine carries out time delay to the power-off of excavator complete machine.
In the present invention, also comprise generator, generator is connected with battery by relay.Engine operating status becomes from running and does not operate during this period of time, relay closes, and generator is connected by relay and battery, and the peak voltage that generator produces is absorbed by battery, protects other other electrical equipments on excavator.
In the present invention, checkout gear can be the inductor be associated with engine operating state, can be such as engine speed sensor, Oil pressure switch, electrical power generators indicating device, also can be the parallel combinations of above several device, namely detect multiple signal, engine is in operating condition Time Controller and judges that engine is operating condition wherein to have a signal to represent simultaneously.
In the present invention, be connected with the first diode between the control output end of controller and the solenoid of relay, the positive pole of the first diode is connected with the control output end of controller.This measure can be protected controller.
In the present invention, be connected with the second diode between electric lock switch and the solenoid of relay, the positive pole of the second diode is connected with electric lock switch.
The present invention is for solving its technical problem; the control method that a kind of excavator stops working delay cut-off is also provided; the method comprises the steps: to disconnect electric lock switch; controller detects engine by checkout gear and whether is in running status; when engine is in running status; controller exports high potential makes the relay of connection battery and other electrical equipments be in closure state, and when engine is in stopped status, controller exports electronegative potential makes relay be in off-state.
Stop working in the control method of delay cut-off at above-mentioned excavator, controller by checkout gear one or more signals detected in the signals such as engine speed, Oil pressure switch signal, electrical power generators condition indicative signal carry out engine whether be in running status judge.Engine is in operating condition Time Controller and judges that engine is operating condition wherein to have a signal to represent.
Excavator in the present invention stop working delay cut-off control system in the components and parts that comprise be existing element on existing excavator, this control system is compared with existing control system, structurally there is no time-delay relay, structure is simple, cost reduces, simultaneously in the present invention system cut-off be opportunity to stall when, consistent with the running status of engine.
Accompanying drawing explanation
Fig. 1 is that excavator of the present invention stops working the control system schematic diagram of delay cut-off.
Reference numeral: engine speed sensor 1, Oil pressure switch 2, electrical power generators indicating device 3, controller 4, electric lock switch 5, battery 6, relay 7, generator 8, other electrical equipment 9.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments is described.
As shown in Figure 1, excavator in the present embodiment stops working the control system of delay cut-off, it comprises electric lock switch 5, battery 6, relay 7, controller 4, checkout gear, generator 8, other electrical equipments 9, battery 6 to be held with the solenoid terminals B of relay 7 through electric lock switch 5 and is connected, other electrical equipments 9 are connected with battery 6 through relay 7, when relay 7 closes, the C end of relay, D hold conducting, and battery 6 can be powered to other electrical equipments 9.Checkout gear comprises engine speed sensor 1, Oil pressure switch 2, electrical power generators indicating device 3, these devices are all connected with controller 4, the control output end of controller 4 is held with the solenoid terminals L of relay 7 and is connected, between the B of electric lock switch 5 and relay 7 holds, the L of controller 4 and relay all has access to first, second diode between holding, and the negative pole of first, second diode is all connected with the solenoid of relay 7.Generator 8 is connected with battery 6 by relay 7.In the present embodiment, these devices such as engine speed sensor 1, Oil pressure switch 2, electrical power generators indicating device 3 detect engine directly or indirectly and whether are in running status, when one or more in them send the signal corresponding with engine operating state, controller 4 judgement engines are in operating condition, and export high potential from the control output end that it is connected with relay 7 solenoid, make relay 7 be in closure state.After engine stops operating completely, checkout gear can not export and run corresponding signal to controller 4 with engine, controller 4 judgement engines are in stop state, and the control output end that controller 4 is connected from it with the solenoid of relay 7 exports electronegative potential.
In the present embodiment, when electric lock switch 5 closes, the solenoid of battery 6, electric lock switch 5, first diode, relay 7 forms closed-loop path, relay 7 closes, battery 6 is powered to other electrical equipments 9, engine running drive electrical generators 8 generates electricity, generator 8 generate electricity by relay 7 to charge in batteries.When needs are shut down, disconnect electric lock switch 5, after electric lock switch 5 disconnects, engine is rotated further until in a period of time of stopping operating completely due to its inertia, checkout gear detects and starts still to be in rotary state, controller 4 still exports high potential in its control output end, make have electric current to pass through in the solenoid of relay 7, relay 7 is in closure state, battery 6 continues to power to other electrical equipments 9, the peak voltage that generator 8 sent in engine misses moment is also absorbed by battery 6 by relay 7, other electrical equipment 9 on available protecting excavator.When after the complete stall of engine, checkout gear can't detect the corresponding signal of engine operating state, controller 4 exports electronegative potential in its control output end, because electric lock switch 5 is also in off-state, electric current is not had to pass through in the solenoid of therefore relay 7, relay 7 also just disconnects along with the stall of engine, makes battery 6 stop powering to other electrical equipments 9.
In the present embodiment, other electrical equipments 9 can be the electrical equipments except the electrical equipments such as checkout gear, controller 4, relay 7, such as, illuminating lamp on excavator, other controllers etc.
Excavator in the present embodiment stop working delay cut-off control system in the components and parts that comprise be existing element on existing excavator, this control system is compared with existing control system, structurally there is no time-delay relay, structure is simple, cost reduces, simultaneously in the present embodiment control system power-off be opportunity to stall when, consistent with the running status of engine.
Claims (5)
1. an excavator stops working the control system of delay cut-off, comprise electric lock switch, battery, relay, characterized by further comprising controller, checkout gear, other electrical equipments, described battery is connected with the solenoid terminals of relay through electric lock switch, other electrical equipments described are connected with battery through relay, described checkout gear is connected with controller, for detecting engine operating status signal, described controller is used for the detection signal of receiving detection device and judges whether engine is in operating condition, the control output end of controller is connected with the solenoid terminals of relay, when electric lock switch disconnects, if engine is in operating condition, controller exports high potential and makes relay closes, if engine is in stop state, controller exports electronegative potential makes relay disconnect.
2. excavator according to claim 1 stops working the control system of delay cut-off, and characterized by further comprising generator, described generator is connected with battery by relay.
3. excavator according to claim 2 stops working the control system of delay cut-off, it is characterized in that described checkout gear is one or more the parallel combinations in engine speed sensor, Oil pressure switch, electrical power generators indicating device.
4. excavator according to any one of claim 1 to 3 stops working the control system of delay cut-off, it is characterized in that being connected with the first diode between the control output end of described controller and the solenoid of relay, the described positive pole of the first diode is connected with the control output end of controller.
5. excavator according to claim 4 stops working the control system of delay cut-off, and it is characterized in that, be connected with the second diode between described electric lock switch and the solenoid of relay, the positive pole of described second diode is connected with electric lock switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215035.8A CN102720240B (en) | 2012-06-27 | 2012-06-27 | Flameout delay and outage control system for excavating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215035.8A CN102720240B (en) | 2012-06-27 | 2012-06-27 | Flameout delay and outage control system for excavating machine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410779357.4A Division CN104594436A (en) | 2012-06-27 | 2012-06-27 | Method for controlling delay power-cut after flameout of excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720240A CN102720240A (en) | 2012-10-10 |
| CN102720240B true CN102720240B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210215035.8A Expired - Fee Related CN102720240B (en) | 2012-06-27 | 2012-06-27 | Flameout delay and outage control system for excavating machine |
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| CN (1) | CN102720240B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2521002B (en) * | 2013-12-09 | 2017-05-31 | Caterpillar Inc | Battery switch access system for machine |
| CN112127413A (en) * | 2020-09-22 | 2020-12-25 | 徐州徐工挖掘机械有限公司 | Electrical control system, method, controller and excavator |
| CN114439621B (en) * | 2022-02-16 | 2022-11-04 | 徐州徐工挖掘机械有限公司 | Engineering machine and control system thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1652429A (en) * | 2005-03-25 | 2005-08-10 | 广西柳工机械股份有限公司 | Power supply buffer circuit of controller for engineering vehicle |
| CN201041083Y (en) * | 2007-05-09 | 2008-03-26 | 蔡璘 | Automobile intelligent safe ignition start-up controller |
| CN101585316A (en) * | 2008-11-03 | 2009-11-25 | 贾振雷 | Energy-saving control method and energy economizer for vehicle driving |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08232298A (en) * | 1995-02-28 | 1996-09-10 | Shin Caterpillar Mitsubishi Ltd | Remote control device of working machine |
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2012
- 2012-06-27 CN CN201210215035.8A patent/CN102720240B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1652429A (en) * | 2005-03-25 | 2005-08-10 | 广西柳工机械股份有限公司 | Power supply buffer circuit of controller for engineering vehicle |
| CN201041083Y (en) * | 2007-05-09 | 2008-03-26 | 蔡璘 | Automobile intelligent safe ignition start-up controller |
| CN101585316A (en) * | 2008-11-03 | 2009-11-25 | 贾振雷 | Energy-saving control method and energy economizer for vehicle driving |
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| Publication number | Publication date |
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| CN102720240A (en) | 2012-10-10 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Yancheng Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province, No. 588 213161 Applicant after: LIUGONG CHANGZHOU MACHINERY Co.,Ltd. Applicant after: Liuzhou Liugong Excavators Co.,Ltd. Applicant after: GUANGXI LIUGONG MACHINERY Co.,Ltd. Address before: Yancheng Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province, No. 588 213161 Applicant before: LIUGONG CHANGZHOU EXCVAVTOR Co.,Ltd. Applicant before: Liuzhou Liugong Excavators Co.,Ltd. Applicant before: GUANGXI LIUGONG MACHINERY Co.,Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: LIUGONG CHANGZHOU EXCAVATOR CO., LTD. TO: LIUGONG MACHINERY CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 |