CN102887448B - Control system, control method and engineering machinery - Google Patents

Control system, control method and engineering machinery Download PDF

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CN102887448B
CN102887448B CN201210363472.4A CN201210363472A CN102887448B CN 102887448 B CN102887448 B CN 102887448B CN 201210363472 A CN201210363472 A CN 201210363472A CN 102887448 B CN102887448 B CN 102887448B
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sensor
control system
equipment
construction machinery
information
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CN102887448A (en
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李松云
许楠
郑潜
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Sany Heavy Industry Co Ltd
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Sany Heavy Industry Co Ltd
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Abstract

The invention relates to the field of engineering machinery, and discloses a control system, a control method and the engineering machinery. The control system comprises a first processing unit, a first obtaining unit and a second processing unit, wherein the first processing unit is used for enabling the engineering machinery to be in an action protection state when the state information reported by a sensor is unusual; the first obtaining unit is in signal connection with the first processing unit and is used for obtaining authorized operating information set by a user when the engineering machinery is in the action protection state; and the second processing unit is in signal connection with the first obtaining unit and is used for enabling the state information reported by the sensor to be out of work according to the authorized operating information and enabling the engineering machinery to quit the action protection state. By implementing the control system disclosed by the invention, the authorized operating information can be manually set when the engineering machinery works in an unusual working condition as one sensor or some sensors is/are in failure and the state information is incorrectly reported, and thus the whole machine can enter into the working state again so as to complete the operation or a vehicle can be quickly taken back so as to carry out the overhauling and the maintenance.

Description

Control system, method and construction machinery and equipment
Technical field
The present invention relates to engineering machinery field, particularly control system, method and construction machinery and equipment.
Background technology
Along with the fast development of economy, engineering construction project is increasing, and market is also increasing for demand that is large-scale, ultra-large type hoisting crane.In some goliaths, owing to being configured with the detachable parts such as super lifting device, auxiliary, mobile operating room, movable weight, the danger of hoisting crane self increases greatly, in order to improve the safety performance of hoisting crane, the sensor needing magnitude setting numerous is to monitor the state everywhere of complete machine.
When certain or some sensors quote error state, no matter whether sensor is reported by mistake, under control system will be operated in unusual service condition, restriction complete machine is to the action of dangerous direction, such as, when the angle that crane arm quoted by angular transducer is lower than preset value (as zero degree), cut-out hoisting crane falls width, reduction arm and off the hook action by control system, and sends alerting signal.
Due to the Numerous of sensor and sensor combinations, sensor occurs that because self breaks down situation about reporting by mistake is more, in the prior art, when causing system works under unusual service condition because of sensor wrong report, generally need suspension of works, expeditious measures is adopted to overhaul after complete machine safe retraction sensor again, such as, when the angle of angular transducer wrong report crane arm is lower than preset value, need to put down lift heavy thing, carry continuing to hang after complete machine safe retraction also maintenance, have impact on construction progress like this, and unnecessary loss is caused to client.
Summary of the invention
In view of this, the present invention is intended to propose a kind of control system, method and construction machinery and equipment, to solve existing construction machinery and equipment cannot enter mode of operation problem when being operated under unusual service condition because of sensor wrong report.
First aspect, the invention provides a kind of control system for construction machinery and equipment, described construction machinery and equipment is provided with multiple sensor, and described control system comprises: the first processing unit, makes construction machinery and equipment be in action protection state for the status information reported on a sensor for during exception; The first acquiring unit be connected with the first processing unit signal, during for being in action protection state at construction machinery and equipment, obtains the Authorized operation information of user's setting; The second processing unit be connected with the first acquiring unit signal, lost efficacy for the status information making this sensor report according to described Authorized operation information, and makes construction machinery and equipment exit action protection state.
Further, described Authorized operation information comprises: the existing condition information of the monitored object that the information of this sensor experiences failure, the information ignoring this sensor and/or this sensor are corresponding.
Further, described control system also comprises: second acquisition unit, for obtaining its status information reported at this sensor before not losing efficacy; The judging unit be connected with second acquisition unit and the first processing unit signal, for judging, whether status information is abnormal.
Further, described control system also comprises: the setup unit be connected with the first acquiring unit signal, for setting described Authorized operation information for user.
Further, with setup unit signal connectivity verification unit, for verifying whether described user is authorized user, if then enable described setup unit.
Further, described control system also comprises the display unit be connected with setup unit and authentication unit signal, and described display unit comprises verification operation display module and setting operation display module.
Second aspect, present invention also offers a kind of control method for construction machinery and equipment, described construction machinery and equipment is provided with multiple sensor, and described control method comprises the steps: that A1, the status information reported on a sensor are for making construction machinery and equipment be in action protection state time abnormal; A2, when construction machinery and equipment is in action protection state, obtain user setting Authorized operation information; A3, the status information inefficacy this sensor being reported according to described Authorized operation information, and make construction machinery and equipment exit action protection state.
Further, described Authorized operation information comprises: the existing condition information of the monitored object that the information of this sensor experiences failure, the information ignoring this sensor and/or this sensor are corresponding.
Further, described control method also comprised the steps: A4, verifies whether this user is authorized user, if then go to step A5 before steps A 1; A5, set described Authorized operation information by this user.
The third aspect, present invention also offers a kind of construction machinery and equipment, and described construction machinery and equipment is provided with the control system described in above-mentioned any one.
A kind of control system provided by the invention and a kind of control method at construction machinery and equipment (as hoisting crane) because of certain (a bit) sensor experiences failure, when the status information that wrong report status information or sensor report is operated under unusual service condition extremely, by manually setting Authorized operation information, the status information that this sensor is reported lost efficacy, and make construction machinery and equipment exit action protection state, thus make complete machine rearming to fulfil assignment or to return the vehicle to the garage and knock off fast to carry out repair and maintenance, such as, when crane arm to be reported by mistake by angular transducer angle because of faults itself is lower than zero degree, under control system will make complete machine be operated in unusual service condition, and lock the action (namely hoisting crane enter action protection state) of hoisting crane towards dangerous direction, by the actual angle (or comparatively close to this actual angle) of hand inspection crane arm, and by this actual angle input control system, system will ignore the status information of this sensor, and make hoisting crane exit action protection state, thus relieve the action restriction of hoisting crane, hoisting crane is enable to have worked on lift heavy operation, or hoisting crane is returned the vehicle to the garage and knock off rapidly according to regular event to carry out repair and maintenance, compared with prior art, the present invention effectively reduces the impact on construction progress such as sensor wrong report, achieve the flexible control of construction machinery and equipment.
Construction machinery and equipment provided by the invention is provided with above-mentioned control system, and because above-mentioned control system has more above-mentioned technique effect, therefore, this project machinery also has corresponding technique effect.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The structured flowchart of a kind of control system for construction machinery and equipment that Fig. 1 provides for the embodiment of the present invention;
The diagram of circuit of a kind of control method for construction machinery and equipment that Fig. 2 embodiment of the present invention provides.
Detailed description of the invention
To it should be pointed out that in this part to the description of concrete structure and description order it is only explanation to specific embodiment, should not be considered as there is any restriction to protection scope of the present invention.In addition, when not conflicting, the embodiment in this part and the feature in embodiment can combine mutually.
Please refer to Fig. 1, as shown in the figure, the control system of this embodiment is used for construction machinery and equipment, this project is mechanically provided with multiple sensor, this control system at least comprises the first acquiring unit, judging unit, the first processing unit, second acquisition unit and the second processing unit, wherein: the status information that the first processing unit is used for reporting on a sensor is for making construction machinery and equipment be in action protection state time abnormal; First acquiring unit is connected with the first processing unit signal, during for being in action protection state at construction machinery and equipment, obtains the Authorized operation information of user's setting; Second processing unit is connected with the first acquiring unit signal, lost efficacy, and make construction machinery and equipment exit action protection state for the status information making this sensor report according to described Authorized operation information; Second acquisition unit is used for before not losing efficacy, obtaining its status information reported at this sensor; Judging unit is connected with second acquisition unit and the first processing unit signal, and for judging, whether status information is abnormal.
Specifically, in engineer machinery operation process, control system obtains the status information (can characterize the current state of monitored object) that each sensor reports, and this status information and safe preset value are compared, judge whether this status information belongs to abnormal, thus under determining whether construction machinery and equipment is in unusual service condition, when determining that construction machinery and equipment is under unusual service condition, control system limits or locks the action (even if construction machinery and equipment be in action protection state) of construction machinery and equipment to dangerous direction, repair and maintenance can be carried out to secure side after action and unloading to make construction machinery and equipment, but, due to the Numerous of sensor and sensor combinations (namely the output of a certain sensor depends on the situation of the input of other sensors), sensor is easily reported by mistake because of faults itself, and namely to report the current state of the status information of control system and monitored object inconsistent for sensor, therefore, when construction machinery and equipment report on a sensor to be in action protection state after status information time, the existing condition of monitored object is confirmed by hand inspection or other monitoring means (such as making a video recording first-class), if the status information that the existing condition of monitored object and sensor report is inconsistent, then can determine that sensor is reported by mistake, now, Authorized operation information is set by user, this Authorized operation information comprises the information of this sensor experiences failure, ignore the existing condition information of the information of this sensor and/or monitored object corresponding to this sensor, namely this Authorized operation information comprises at least one in above-mentioned three, then control system is according to this Authorized operation information, status information that this sensor is reported lost efficacy (namely the status information that no longer reported by this sensor of control system is as controling parameter), and make construction machinery and equipment exit action protection state, make construction machinery and equipment can continue to enter mode of operation to fulfil assignment like this, or construction machinery and equipment can be returned the vehicle to the garage and knock off fast to carry out repair and maintenance.
Preferably, the control system of above-described embodiment also comprises setup unit, more preferably, also comprises authentication unit; Wherein, authentication unit is connected with setup unit signal, after entering action protection state at construction machinery and equipment, when user intends metering-in control system, verifies whether described user is authorized user, if so, then enables setup unit, otherwise refuses this user and log in; And setup unit is connected with the first acquiring unit signal, for setting Authorized operation information for user after user is by checking, such as, supply the existing condition information of user's input monitoring object; In addition, for the ease of the visualized operation of proof procedure and assignment procedure, more preferably, control system also comprises display unit, this display unit is connected with setup unit and authentication unit signal, comprise verification operation display module and setting operation display module, thus be convenient to user and carry out verification operation and setting operation.
It should be noted that, in specific implementation process, setup unit can be configured to the setting module of multiple rank, and be multiple dynamic password verification module by verification units configured, wherein, the setting module one_to_one corresponding of various dynamic password and each rank, user by the checking of dynamic password, could must operate the setting module of appropriate level, such as, for hoisting crane, what surpassed breech lock Authorized operation information (as actual lock-out state) is set as first level, crane arm Authorized operation information (as actual angle state) be set as second level, user needs input the first corresponding dynamic password and could set the Authorized operation information having surpassed breech lock after being verified, similarly, user needs to input corresponding the second dynamic password also by setting the Authorized operation information of crane arm after checking, about generation, the detailed process of checking dynamic password can see the associated description of prior art, hereby do not repeat.In addition, in above-described embodiment, the first acquiring unit and setup unit or the first acquiring unit, setup unit and authentication unit also can be integrated in same unit.
It should be noted that, in the optimal way of above-described embodiment, by display unit to the setting realized Authorized operation information, in other embodiments, also can realize by other means, such as, use the mode of toggle switch.
In conjunction with concrete application scenarios, the principle of work of above-mentioned control system, advantage and operating process are described for hoisting crane below:
1, when having surpassed the locking signal exception that breech lock sensor reports, under hoisting crane is in unusual service condition, control system restriction hoisting crane hangs and carries, but (such as camera head monitor or hand inspection etc.) can confirm that having surpassed breech lock is in the lock state (namely having surpassed the wrong report of breech lock sensor) really at this moment, by all means.
In the prior art, need to adopt expeditious measures car is retracted to safe condition and carries out repair and maintenance, hoisting crane cannot continue to hang and carries, state on the invention embodiment then by user's (there is the professional and technical personnel of certain rank) from display unit (as telltale) metering-in control system, after carrying out corresponding dynamic password verification, lock-out state can be set in by having surpassed breech lock, or setting has surpassed breech lock sensor experiences failure, or setting this, to have surpassed the status information that breech lock sensor reports invalid, thus restriction is carried in hanging of releasing hoisting crane, hoisting crane can be worked on a period of time, or carry out repair and maintenance after making hoisting crane, by normal mode, car is recycled to safe condition.
2, when the angle information reported when the angular transducer of crane arm is less than safe preset value (as zero degree), under hoisting crane is in unusual service condition, control system restriction hoisting crane hangs and carries, but at this moment, larger by the angle of naked eyes and observable principal arm.
In the prior art, need to put down hang thing, safety returns the vehicle to the garage and knock off and can continue after completing maintenance to hang and carry, the above embodiment of the present invention then by user from display unit metering-in control system, after checking, it can be actual value or comparatively close to actual value by the angle initialization of crane arm, or the angular transducer of setting crane arm breaks down, or it is invalid to set the status information that this angular transducer reports, thus make construction machinery and equipment exit corresponding action protection state, and then worked on a period of time, hang to complete the process of carrying; This is particularly useful when hanging that thing can not put down and the action of hoisting crane is restricted.
3, other such as control cabin abnormal states restriction rotation of rotary table, hoisting system pressure anomaly restriction elevator action, the restrictions of super lift winch rope abnormal state surpassed action and tower arm abnormal state limit the situation of tower arm and principal arm action etc. and above-mentioned two kinds of situations similar, hereby do not repeat.
To sum up, a kind of control system that the embodiment of the present invention provides construction machinery and equipment because of certain (a bit) sensor experiences failure, wrong report status information and be operated under unusual service condition time, by manually setting existing condition information, make complete machine rearming to fulfil assignment or to return the vehicle to the garage and knock off fast to carry out repair and maintenance, effectively reduce the impact of sensor wrong report on construction progress like this, achieve the flexible control of construction machinery and equipment.
Please refer to Fig. 2, the control method of this embodiment is used for construction machinery and equipment, and this project is mechanically provided with multiple sensor, and this control method comprises the steps:
The status information that S1, acquisition sensor report;
Specifically, sensor is reported control system after the status information of detected object being detected, and certainly, sensor may et out of order and reporting by mistake, the status information namely reported and the state of detected object inconsistent.
S2, judge whether to be in unusual service condition according to this status information under;
Specifically, no matter whether sensor is reported by mistake, and the status information that sensor reports by control system and safe preset value are compared, and determines whether this status information belongs to abnormal, and then under judging whether construction machinery and equipment is in unusual service condition, if then go to step S3.
S3, restriction construction machinery and equipment are towards the action of dangerous direction;
Specifically; when determining that construction machinery and equipment is under unusual service condition; control system makes control system be in action protection state; to avoid safety misadventure occurs; such as; for hoisting crane, when the angle of crane arm is lower than 0 °, fast shut-off hoisting crane falls width, reduction arm and off the hook action by control system.
S34, judge actual condition under construction machinery and equipment can normally work;
Specifically, when construction machinery and equipment report on a sensor be under unusual service condition after status information time, judge whether construction machinery and equipment can work under the present conditions by various approach, the existing condition of monitored object is such as confirmed by camera head monitor or hand inspection etc., no matter if whether sensor is reported by mistake, construction machinery and equipment still can work on, then go to step S4.
S4, authentication of users;
Specifically, after confirmation construction machinery and equipment can work on, when user needs metering-in control system, need to verify whether this user is authorized user, such as, verification mode has varied, such as, can be verified by the mode of dynamic password, about the mode of dynamic password can see the relevant description of said system embodiment.
S5, to be verified, setting Authorized operation information;
Specifically, after user is by checking, setting Authorized operation information, this Authorized operation information is the existing condition information of the monitored object that the information of this sensor experiences failure, the information ignoring this sensor and/or this sensor are corresponding.
S6, make sensor failure, exit action protection state;
Specifically; control system is according to this Authorized operation information; control the status information inefficacy that this sensor reports; the status information making the corresponding units in control system ignore this sensor to report; and dominant project machinery exits action protection state; make construction machinery and equipment can continue to enter mode of operation to fulfil assignment like this, or construction machinery and equipment can be returned the vehicle to the garage and knock off fast to carry out repair and maintenance.
The advantage of the method embodiment, principle, expansion and beneficial effect see the relevant description of system embodiment above, hereby can not repeat.
The embodiment of the present invention additionally provides a kind of construction machinery and equipment, as hoisting crane etc., this project machinery is provided with the control system described in above-described embodiment, because above-mentioned control system has above-mentioned technique effect, therefore, this project machinery also should possess corresponding technique effect, and the specific implementation process of its appropriate section is similar to the above embodiments, does not hereby repeat.
One of ordinary skill in the art will appreciate that, all or part of step/the units/modules realizing the invention described above embodiment can have been come by the hardware that programmed instruction is relevant, foregoing routine can be stored in computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or laser disc etc. various can be program code stored medium.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a control system, for construction machinery and equipment, described construction machinery and equipment is provided with multiple sensor, it is characterized in that, described control system comprises:
First processing unit, makes construction machinery and equipment be in action protection state for the status information reported on a sensor for during exception;
The first acquiring unit be connected with the first processing unit signal, during for being in action protection state at construction machinery and equipment, obtains the Authorized operation information of user's setting;
The second processing unit be connected with the first acquiring unit signal, lost efficacy for the status information making this sensor report according to described Authorized operation information, and makes construction machinery and equipment exit action protection state.
2. control system as claimed in claim 1, it is characterized in that, described Authorized operation information comprises: the existing condition information of the monitored object that the information of this sensor experiences failure, the information ignoring this sensor and/or this sensor are corresponding.
3. control system as claimed in claim 1 or 2, it is characterized in that, described control system also comprises:
Second acquisition unit, for obtaining its status information reported at this sensor before not losing efficacy;
The judging unit be connected with second acquisition unit and the first processing unit signal, for judging, whether status information is abnormal.
4. control system as claimed in claim 1 or 2, it is characterized in that, described control system also comprises: the setup unit be connected with the first acquiring unit signal, for setting described Authorized operation information for user.
5. control system as claimed in claim 4, it is characterized in that, described control system also comprises: with setup unit signal connectivity verification unit, for verifying whether described user is authorized user, if then enable described setup unit.
6. control system as claimed in claim 5, it is characterized in that, described control system also comprises the display unit be connected with setup unit and authentication unit signal, and described display unit comprises verification operation display module and setting operation display module.
7. a control method, for construction machinery and equipment, described construction machinery and equipment is provided with multiple sensor, it is characterized in that, described control method comprises the steps:
A1, the status information reported on a sensor make construction machinery and equipment be in action protection state for during exception;
A2, when construction machinery and equipment is in action protection state, obtain user setting Authorized operation information;
A3, the status information inefficacy this sensor being reported according to described Authorized operation information, and make construction machinery and equipment exit action protection state.
8. control method as claimed in claim 7, it is characterized in that, described Authorized operation information comprises: the existing condition information of the monitored object that the information of this sensor experiences failure, the information ignoring this sensor and/or this sensor are corresponding.
9. control method as claimed in claim 7 or 8, it is characterized in that, described control method also comprised the steps: before steps A 1
A4, verify whether this user is authorized user, if then go to step A5;
A5, set described Authorized operation information by this user.
10. a construction machinery and equipment, is characterized in that, described construction machinery and equipment is provided with the control system described in any one of claim 1 to 6.
CN201210363472.4A 2012-09-26 2012-09-26 Control system, control method and engineering machinery Active CN102887448B (en)

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Publication number Priority date Publication date Assignee Title
CN103742125B (en) * 2013-12-30 2017-01-25 北京市三一重机有限公司 Rotary drilling rig and safety control system and method thereof
CN106846010A (en) * 2016-12-30 2017-06-13 上海华兴数字科技有限公司 A kind of method of password authentication for being applied to corrective maintenance confirmation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1137783A (en) * 1993-11-08 1996-12-11 株式会社小松制作所 Apparatus and method for controlling operation of reach tower crane
CN201224662Y (en) * 2008-03-07 2009-04-22 武汉理工大学 Non-load sensing type elevating capacity stopper
CN102180410A (en) * 2011-01-26 2011-09-14 徐州赫思曼电子有限公司 Safety protection device for hoisting equipment in improper working range
CN202022663U (en) * 2011-05-05 2011-11-02 宜昌市微特电子设备有限责任公司 Torque limiting device with automatic sensor cable breakage detection function

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2574884B2 (en) * 1988-12-16 1997-01-22 三輪精機株式会社 How to set the interlocking characteristics of a crane
JPH08198589A (en) * 1995-01-25 1996-08-06 Tadano Ltd Hook block operating device in self-traveling crane
US8936167B2 (en) * 2010-12-17 2015-01-20 Kobelco Cranes Co., Ltd. Crane

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1137783A (en) * 1993-11-08 1996-12-11 株式会社小松制作所 Apparatus and method for controlling operation of reach tower crane
CN201224662Y (en) * 2008-03-07 2009-04-22 武汉理工大学 Non-load sensing type elevating capacity stopper
CN102180410A (en) * 2011-01-26 2011-09-14 徐州赫思曼电子有限公司 Safety protection device for hoisting equipment in improper working range
CN202022663U (en) * 2011-05-05 2011-11-02 宜昌市微特电子设备有限责任公司 Torque limiting device with automatic sensor cable breakage detection function

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