CN108803456A - A method of promoting number and range of lift for calculating electri forklift - Google Patents
A method of promoting number and range of lift for calculating electri forklift Download PDFInfo
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- CN108803456A CN108803456A CN201810951557.1A CN201810951557A CN108803456A CN 108803456 A CN108803456 A CN 108803456A CN 201810951557 A CN201810951557 A CN 201810951557A CN 108803456 A CN108803456 A CN 108803456A
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- Prior art keywords
- lift
- promoted
- range
- accumulative
- current
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The method that the invention discloses a kind of to promote number and range of lift for calculating electri forklift, includes the following steps：Step 1: acquisition current of electric information and motor position information are calculated as effectively being promoted when motor rotation distance is more than given threshold while electric machine controller receives the enable signal for promoting control stick, the accumulative number that promoted adds 1；Step 2: judging zero load according to the collected current of electric information in step 1 or with the state of load：Accumulative zero load promotion number adds 1 when current of electric is more than threshold value, and accumulative band load promotion number adds 1 when current of electric is less than threshold value；Add up range of lift Step 3: being calculated according to the collected motor position information in step 1；The present invention is by the way that control stick state and motor current sensor information and motor position sensor information to be combined, zero load can be promoted to number and accurately distinguished with promotion number is carried, and it is respectively calculated statistics, and can accurately calculate the cumulative activation distance for promoting oil cylinder in hydraulic system.
Description
Technical field
The present invention relates to the statistic algorithms of electri forklift working, especially a kind of to be carried for calculating electri forklift
The method for rising number and range of lift.
Background technology
The promotion of electri forklift is completed by Oil pump electrical machinery driving oil pump hydraulic system, and the hydraulic systems such as hydraulic oil and oil cylinder need
Maintaining is carried out after certain work times and/or operating distance, to ensure the lifting device safety of electri forklift system
Reliable operation.
The reliability and cost of the complexity and sensor itself installed at present in design due to mechanical pick-up device, not
There is the device for aiming at and calculating and promoting number and range of lift and design.
There are not specific computational methods that can accurately calculate to promoting number and range of lift yet, but passes through electricity
The operating time and operating range of electrical forklift, are substantially estimated.The usage scenario of each industry, each user differs widely,
So that the deviation of this estimation is very big, is excessively frequently maintained so as to cause some occasions, cause to waste；Some occasions can not be by
When maintain, cause function abnormal, or even there are security risks.
Invention content
The purpose of the present invention is to provide a kind of the electronic for calculating of number and accumulative range of lift is promoted for accumulative
The method of forklift lifting number and range of lift, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：
A method of number and range of lift being promoted for calculating electri forklift, is included the following steps：
Step 1: acquisition current of electric information and motor position while electric machine controller receives the enable signal for promoting control stick
Confidence ceases, and when motor rotation distance is more than given threshold, is calculated as effectively being promoted, and the accumulative number that promoted adds 1；
Step 2: judging zero load according to the collected current of electric information in step 1 or with the state of load：Current of electric is more than
Add up zero load promotion number when threshold value and add 1, accumulative band load promotion number adds 1 when current of electric is less than threshold value；Step 3: according to step
Collected motor position information in rapid one, which calculates, adds up range of lift：Accumulative single motor rotational displacement, then according to
Ratio is converted to oil cylinder and promotes displacement, and then promoting displacement to oil cylinder adds up as accumulative range of lift；
Step 4: add up to be promoted in step 1 number, in step 2 it is accumulative it is unloaded promote number and accumulative band carry promoted number,
Accumulative range of lift in step 3, which stores, arrives memory.
As a further solution of the present invention：The electric machine controller includes controller, current sensor, promotes number meter
Number device, range of lift accumulator and storage unit promote control stick, current sensor and motor position sensor and are all connected with control
Device, controller connection promote number counter and range of lift accumulator, promote number counter and range of lift accumulator connects
Connect storage unit.
The motor position sensor, which is mounted on, to be promoted on motor.
The operation principle of electric machine controller includes the following steps：
When step 1, promotion control stick are enabled, controller receives enable signal, and controller acquires motor position sensor hair simultaneously
The current of electric information that the motor position information and current sensor sent are sent；
Step 2, according to when collected motor position information judges motor rotation distance more than given threshold when being promoted, be calculated as
Effect is promoted, and is promoted number counter and is added 1 to the accumulative number that promoted；According to collected current information when being promoted, judge it is unloaded or
Band load state promotes number counter by corresponding unloaded promotion number or adds 1 with promotion count value is carried；
Step 3, range of lift accumulator add up displacement motor amount, and are proportionally converted to the shift length of oil cylinder,
The shift length of oil cylinder is added up, range of lift is added up.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is by by control stick state and electric machine controller
In current information be combined, zero load can be promoted to number and promote number with carrying and accurately distinguish, and be respectively calculated statistics.
By the way that control stick state and motor position sensor information to be combined, it can accurately calculate and be promoted in hydraulic system
The cumulative activation distance of oil cylinder；
The present invention has following advantages：1, counting statistics result is accurate；2, unloaded, band load state can be distinguished；3, without increasing volume
Outer sensor does not increase hardware cost；4, method is easily achieved and can be customized according to use occasion；5, it is applicable to any electricity
Electrical forklift；6, lifting device use intensity and life-span can accurately be obtained, function and security risk are avoided.
Description of the drawings
Fig. 1 is the principle schematic for promoting the method for number and range of lift for calculating electri forklift.
Fig. 2 is the flow chart for promoting the method for number and range of lift for calculating electri forklift.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
- 2 are please referred to Fig.1, a method of promoting number and range of lift, including following step for calculating electri forklift
Suddenly：
Step 1: acquisition current of electric information and motor position while electric machine controller receives the enable signal for promoting control stick
Confidence ceases, and when motor rotation distance is more than given threshold, is calculated as effectively being promoted, and the accumulative number that promoted adds 1；
Step 2: judging zero load according to the collected current of electric information in step 1 or with the state of load：Current of electric is more than
Add up zero load promotion number when threshold value and add 1, accumulative band load promotion number adds 1 when current of electric is less than threshold value；Step 3: according to step
Collected motor position information in rapid one, which calculates, adds up range of lift：Accumulative single motor rotational displacement, then according to
Ratio is converted to oil cylinder and promotes displacement, and then promoting displacement to oil cylinder adds up as accumulative range of lift；
Step 4: add up to be promoted in step 1 number, in step 2 it is accumulative it is unloaded promote number and accumulative band carry promoted number,
Accumulative range of lift in step 3, which stores, arrives memory.
Above-mentioned electric machine controller includes controller, current sensor, promotes number counter, range of lift accumulator and deposit
Storage unit promotes control stick, current sensor and motor position sensor and is all connected with controller, and controller connection promotes number meter
Number device and range of lift accumulator promote number counter and connect storage unit with range of lift accumulator；
When promotion control stick is enabled, controller receives enable signal, and controller acquires the electricity of motor position sensor transmission simultaneously
The current of electric information that machine location information and current sensor are sent has been calculated as when motor rotation distance is more than given threshold
Effect is promoted, and is promoted number counter and is added 1 to the accumulative number that promoted；According to collected current information when being promoted, judge it is unloaded or
Band load state promotes number counter by corresponding unloaded promotion number or adds 1 with promotion count value is carried；Meanwhile it being promoted
Displacement motor amount is added up apart from accumulator, and is proportionally converted to the shift length of oil cylinder, by the displacement of oil cylinder away from
From being added up, add up range of lift.
Further, motor position sensor, which is mounted on, is promoted on motor.
The present invention operation principle be：When promotion control stick is enabled, electric machine controller receives enable signal, promotes motor and opens
Begin operating, electric machine controller while the current information and motor position sensor information for acquiring motor, when motor rotation distance is super
When crossing given threshold, it is calculated as effectively being promoted, accumulative lifting counter adds 1；According to collected current information when being promoted, sky is judged
It carries or with the state of load, unloaded promoted by corresponding or promote count value with carrying and add 1；Meanwhile to the displacement of motor position sensor
Count value is accumulative, and is proportionally converted to the shift length of oil cylinder, this shift length is added up, and adds up range of lift.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (4)
1. a kind of method promoting number and range of lift for calculating electri forklift, which is characterized in that include the following steps：
Step 1: acquisition current of electric information and motor position while electric machine controller receives the enable signal for promoting control stick
Confidence ceases, and when motor rotation distance is more than given threshold, is calculated as effectively being promoted, and the accumulative number that promoted adds 1；
Step 2: judging zero load according to the collected current of electric information in step 1 or with the state of load：Current of electric is more than
Add up zero load promotion number when threshold value and add 1, accumulative band load promotion number adds 1 when current of electric is less than threshold value；Step 3: according to step
Collected motor position information in rapid one, which calculates, adds up range of lift：Accumulative single motor rotational displacement, then according to
Ratio is converted to oil cylinder and promotes displacement, and then promoting displacement to oil cylinder adds up as accumulative range of lift；
Step 4: add up to be promoted in step 1 number, in step 2 it is accumulative it is unloaded promote number and accumulative band carry promoted number,
Accumulative range of lift in step 3, which stores, arrives memory.
2. the method according to claim 1 for promoting number and range of lift for calculating electri forklift, which is characterized in that
The electric machine controller includes controller, current sensor, promotes number counter, range of lift accumulator and storage unit,
Promote control stick, current sensor and motor position sensor are all connected with controller, controller connection promoted number counter and
Range of lift accumulator promotes number counter and connects storage unit with range of lift accumulator.
3. the method according to claim 1 for promoting number and range of lift for calculating electri forklift, which is characterized in that
The motor position sensor, which is mounted on, to be promoted on motor.
4. the method according to claim 1 for promoting number and range of lift for calculating electri forklift, which is characterized in that
The operation principle of the electric machine controller includes the following steps：
When step 1, promotion control stick are enabled, controller receives enable signal, and controller acquires motor position sensor hair simultaneously
The current of electric information that the motor position information and current sensor sent are sent；
Step 2, according to when collected motor position information judges motor rotation distance more than given threshold when being promoted, be calculated as
Effect is promoted, and is promoted number counter and is added 1 to the accumulative number that promoted；According to collected current information when being promoted, judge it is unloaded or
Band load state promotes number counter by corresponding unloaded promotion number or adds 1 with promotion count value is carried；
Step 3, range of lift accumulator add up displacement motor amount, and are proportionally converted to the shift length of oil cylinder,
The shift length of oil cylinder is added up, range of lift is added up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951557.1A CN108803456A (en) | 2018-08-21 | 2018-08-21 | A method of promoting number and range of lift for calculating electri forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951557.1A CN108803456A (en) | 2018-08-21 | 2018-08-21 | A method of promoting number and range of lift for calculating electri forklift |
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| Publication Number | Publication Date |
|---|---|
| CN108803456A true CN108803456A (en) | 2018-11-13 |
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| CN201810951557.1A Pending CN108803456A (en) | 2018-08-21 | 2018-08-21 | A method of promoting number and range of lift for calculating electri forklift |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193159A (en) * | 2013-04-15 | 2013-07-10 | 中国农业大学 | Lifting and slewing cycle number detecting system and method for automobile crane boom |
| CN103472819A (en) * | 2013-09-12 | 2013-12-25 | 中国农业大学 | Remote monitoring system for autocrane operation reliability tests |
| CN104210976A (en) * | 2014-08-18 | 2014-12-17 | 上海中联重科桩工机械有限公司 | Method and system for detecting load stroke of hoisting steel rope and hoisting control mechanism |
| CN106017506A (en) * | 2016-06-22 | 2016-10-12 | 浙江工商职业技术学院 | Route and hand-pulling start direction detection device of electric curtain |
| JP2018002335A (en) * | 2016-06-28 | 2018-01-11 | 三菱ロジスネクスト株式会社 | Forklift |
| CN108400727A (en) * | 2017-02-07 | 2018-08-14 | 苏州宝时得电动工具有限公司 | Electric tool control method, device and electric tool |
-
2018
- 2018-08-21 CN CN201810951557.1A patent/CN108803456A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193159A (en) * | 2013-04-15 | 2013-07-10 | 中国农业大学 | Lifting and slewing cycle number detecting system and method for automobile crane boom |
| CN103472819A (en) * | 2013-09-12 | 2013-12-25 | 中国农业大学 | Remote monitoring system for autocrane operation reliability tests |
| CN104210976A (en) * | 2014-08-18 | 2014-12-17 | 上海中联重科桩工机械有限公司 | Method and system for detecting load stroke of hoisting steel rope and hoisting control mechanism |
| CN106017506A (en) * | 2016-06-22 | 2016-10-12 | 浙江工商职业技术学院 | Route and hand-pulling start direction detection device of electric curtain |
| JP2018002335A (en) * | 2016-06-28 | 2018-01-11 | 三菱ロジスネクスト株式会社 | Forklift |
| CN108400727A (en) * | 2017-02-07 | 2018-08-14 | 苏州宝时得电动工具有限公司 | Electric tool control method, device and electric tool |
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Application publication date: 20181113 |