CN102991644A - Dynamical braking device and method of electric anchor gear - Google Patents
Dynamical braking device and method of electric anchor gear Download PDFInfo
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- CN102991644A CN102991644A CN201210497085XA CN201210497085A CN102991644A CN 102991644 A CN102991644 A CN 102991644A CN 201210497085X A CN201210497085X A CN 201210497085XA CN 201210497085 A CN201210497085 A CN 201210497085A CN 102991644 A CN102991644 A CN 102991644A
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Abstract
The invention discloses dynamical braking device and method of an electric anchor gear, and belongs to the field of ship equipment. The dynamical braking device comprises a speed measurement module for detecting the lowering speed of an anchor chain, a belt type brake for reducing the lowering speed of the anchor chain through the friction of a roller, a constant-torque module for controlling a motor of the electric anchor gear to rotate according to a constant torque value, and a control module for controlling the belt type brake to work when the lowering speed of the anchor chain which is measured by the speed measurement module is more than a pre-set value. According to the dynamical braking device provided by the invention, the motor of the electric anchor gear works in a constant torque mode, the anchor chain can be in a relative uniform-speed state in an entire lowering process; and meanwhile, the belt type brake is used for reducing the speed when the lowering speed of the anchor chain is increased, so that the problem that the motor is in a generating state can be avoided, and further the influences on the properties and the service life of the motor and the stability of a control system are solved.
Description
Technical field
The present invention relates to the equipment of Vessel field, particularly a kind of electric windlass dynamic braking device and method.
Background technology
Electric windlass is a kind of being installed on the first stern main deck of boats and ships, for boats and ships weigh anchor, the cast anchor marine equipment of heaving pile.
Electric windlass mainly comprises: motor, be connected to cylinder on the motor output shaft, be wrapped in the anchor chain on the cylinder, anchor, control system and the control handle that is connected with anchor chain one end.When putting anchor, control handle provides first a speed signal, and to tachometer value of motor output, transfer according to the tachometer value control anchor chain of control system output by motor according to given speed signal for control system.
In realizing process of the present invention, the contriver finds that there is following problem in prior art:
Because anchor and anchor chain have weight, be subjected to the impact of this weight can produce a downward acceleration/accel in the process of transferring, so that the speed that anchor is transferred accelerates, cause motor by revving up in tow, so that the tachometer value of motor is higher than the tachometer value of the given motor of actual control system, and the tachometer value of motor can increase gradually; After the tachometer value of motor was higher than the given tachometer value of control system, motor can be in generating state, and the electric energy that electric power generation produces will feed back in the control system, and performance, service life and the control system of motor exerted an influence.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the invention provides a kind of electric windlass dynamic braking device and method.Described technical scheme is as follows:
The embodiment of the invention provides a kind of electric windlass dynamic braking device, and described device comprises:
For detection of the speed measuring module of anchor chain lowering velocity, be used for by with roll friction reduce described anchor chain lowering velocity external contracting drum brake, be used for the permanent torque module of rotating with constant torque value control electric windlass and the anchor chain lowering velocity that is used for recording when speed measuring module is controlled the control module of external contracting drum brake work during greater than preset value; Described control module is electrically connected with described speed measuring module, described permanent torque module and described external contracting drum brake respectively, and described permanent torque module also is electrically connected with the motor of described electric windlass.
Wherein, described control module comprises programmable logic controller (PLC).
Wherein, described permanent torque module is frequency converter.
Wherein, described speed measuring module is the speed sensor that is installed on the electric windlass.
Further, described device comprises also that be used to the module that arranges that described preset value is set the described module that arranges is electrically connected with described control module.
On the other hand, the embodiment of the invention also provides a kind of electric windlass dynamic brake method, and described method comprises:
Electric machine rotation with constant torque value control electric windlass;
Detect the anchor chain lowering velocity;
When the described anchor chain lowering velocity that records during greater than preset value, open external contracting drum brake to reduce described anchor chain lowering velocity.
Further, described electric machine rotation with constant torque value control electric windlass comprises:
Adopt frequency converter to control the electric machine rotation of described electric windlass with described constant torque value.
Further, described method also comprises:
When the described anchor chain lowering velocity that records is less than or equal to described preset value, close described external contracting drum brake.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
By allowing the machine operation of electric windlass under permanent torque mode, so that anchor chain can be in the whole process of transferring under the state relatively at the uniform velocity, slow down when adopting simultaneously external contracting drum brake that the anchor chain lowering velocity is increased, avoid motor can be in generating state, and the performance to motor that causes, service life and control system exert an influence.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the electric windlass dynamic braking device structural representation that the embodiment of the invention one provides;
Fig. 2 is the electric windlass dynamic brake method flow diagram that the embodiment of the invention two provides.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment one
The embodiment of the invention provides a kind of electric windlass dynamic braking device, and referring to Fig. 1, this device comprises:
For detection of the speed measuring module 100 of anchor chain lowering velocity, be used for by with roll friction reduce the anchor chain lowering velocity external contracting drum brake 200, be used for the permanent torque module 400 that the motor 300 with constant torque value control electric windlass rotates and the anchor chain lowering velocity that is used for recording when speed measuring module 100 control module 500 that control external contracting drum brake 200 is worked during greater than preset value; Control module 500 is electrically connected with speed measuring module 100, permanent torque module 400 and external contracting drum brake 200 respectively, and permanent torque module 400 also is electrically connected with the motor 300 of electric windlass.
Particularly, control module 500 comprises: be used for judging that anchor chain speed that speed measuring module 100 records is whether above the judging unit of preset value, be used for when judgment unit judges anchor chain speed surpasses preset value, open the switch element of external contracting drum brake 200, judging unit is electrically connected with speed measuring module 100 and switch element respectively, and switch element also is electrically connected with external contracting drum brake 200.Correspondingly, when the anchor chain speed that records is less than or equal to preset value, close external contracting drum brake.
Preferably, control module 500 comprises programmable logic controller (PLC).
Wherein, permanent torque module 400 is frequency converter.
Wherein, speed measuring module 100 is for being installed in the speed sensor on the electric windlass.Particularly, speed sensor can directly be measured the lowering velocity of anchor chain; Also can measure the speed of motor output shaft, thereby obtain the anchor chain lowering velocity.The particular location of speed sensor is also according to above-mentioned situation relative set.
Further, this device also comprises be used to what preset value was set module 600 is set, and module 600 is set is electrically connected with control module 500.
On the one hand, permanent torque module 400 provides a constant torque value for the motor 300 of electric windlass, utilize this constant torque value that anchor chain is transferred under a state relatively at the uniform velocity, the speed measuring module 100 that passes through simultaneously detects the lowering velocity of anchor chain in real time, when the anchor chain in transferring makes the lowering velocity increase and surpasses preset value owing to the impact that is subject to other factors, sending instruction control external contracting drum brake 200 by control module 500 opens, brake, thus the lowering velocity of reduction anchor chain.So that the lowering velocity of anchor chain is stable.
On the other hand, because motor 300 outputs of electric windlass are under permanent torque mode, so that anchor chain can be in the whole process of transferring under the state relatively at the uniform velocity, therefore the frequency of utilization of external contracting drum brake 200 can be very little, avoided owing to the frequent brake collar that uses external contracting drum brake 200 to make external contracting drum brake 200 is out of shape, reduce simultaneously the friction number of times of external contracting drum brake 200 with cylinder, reduced wear intensity each other.
The embodiment of the invention is by allowing the machine operation of electric windlass under permanent torque mode, so that anchor chain can be in the whole process of transferring under the state relatively at the uniform velocity, slow down when adopting simultaneously external contracting drum brake that the anchor chain lowering velocity is increased, avoid motor can be in generating state, and the performance to motor that causes, service life and control system exert an influence.
Embodiment two
The embodiment of the invention provides a kind of electric windlass dynamic brake method, and such as Fig. 2, the method comprises:
Step 1: with the electric machine rotation of constant torque value control electric windlass.
Wherein, adopt frequency converter with the electric machine rotation of constant torque value control electric windlass.Provide a constant torque value by frequency converter for the motor of electric windlass, utilize this constant torque value that anchor chain is transferred under a state relatively at the uniform velocity.
Step 2: detect the anchor chain lowering velocity.
Here can the Negotiation speed sensor realize the detection to the anchor chain lowering velocity.
Step 3: when the anchor chain lowering velocity that records during greater than preset value, open external contracting drum brake to reduce the anchor chain lowering velocity.
Further, when the anchor chain lowering velocity that records is less than or equal to preset value, close external contracting drum brake.
When the anchor chain in transferring makes the lowering velocity increase and surpasses preset value owing to the impact that is subject to other factors, open the control external contracting drum brake, external contracting drum brake and roll friction, thereby the lowering velocity of reduction anchor chain.So that the lowering velocity of anchor chain is stable.
Simultaneously, because the output of the motor of electric windlass is under permanent torque mode, so that anchor chain can be in the whole process of transferring under the state relatively at the uniform velocity, therefore the frequency of utilization of external contracting drum brake can be very little, avoided owing to the frequent brake collar that uses external contracting drum brake to make external contracting drum brake is out of shape, reduce simultaneously the friction number of times of external contracting drum brake and cylinder, reduced wear intensity each other.
The embodiment of the invention is by allowing the machine operation of electric windlass under permanent torque mode, so that anchor chain can be in the whole process of transferring under the state relatively at the uniform velocity, slow down when adopting simultaneously external contracting drum brake that the anchor chain lowering velocity is increased, avoid motor can be in generating state, and the performance to motor that causes, service life and control system exert an influence.
The all or part of step that one of ordinary skill in the art will appreciate that realization above-described embodiment can be finished by hardware, also can come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory (ROM), disk or CD etc.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an electric windlass dynamic braking device is characterized in that, described device comprises:
For detection of the speed measuring module (100) of anchor chain lowering velocity, be used for by with roll friction reduce described anchor chain lowering velocity external contracting drum brake (200), be used for the permanent torque module (400) that the motor (300) with constant torque value control electric windlass rotates and the described anchor chain lowering velocity that is used for recording when described speed measuring module (100) is controlled the control module (500) that described external contracting drum brake (200) is worked during greater than preset value; Described control module (500) is electrically connected with described speed measuring module (100), described permanent torque module (400) and described external contracting drum brake (200) respectively, and described permanent torque module (400) also is electrically connected with the motor (300) of described electric windlass.
2. device according to claim 1 is characterized in that, described control module (500) comprises programmable logic controller (PLC).
3. device according to claim 1 is characterized in that, described permanent torque module (400) is frequency converter.
4. device according to claim 1 is characterized in that, described speed measuring module (100) comprises the speed sensor that is installed on the electric windlass.
5. each described device is characterized in that according to claim 1-4, and described device comprises also be used to what described preset value was set module (600) is set that the described module (600) that arranges is electrically connected with described control module (500).
6. electric windlass dynamic brake method is characterized in that described method comprises:
Electric machine rotation with constant torque value control electric windlass;
Detect the anchor chain lowering velocity;
When the described anchor chain lowering velocity that records during greater than preset value, open external contracting drum brake to reduce described anchor chain lowering velocity.
7. method according to claim 6 is characterized in that, described electric machine rotation with constant torque value control electric windlass comprises:
Adopt frequency converter to control the electric machine rotation of described electric windlass with described constant torque value.
8. method according to claim 6 is characterized in that, described method also comprises:
When the described anchor chain lowering velocity that records is less than or equal to described preset value, close described external contracting drum brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210497085.XA CN102991644B (en) | 2012-11-28 | 2012-11-28 | A kind of electric windlass dynamic braking device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210497085.XA CN102991644B (en) | 2012-11-28 | 2012-11-28 | A kind of electric windlass dynamic braking device and method |
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| CN102991644A true CN102991644A (en) | 2013-03-27 |
| CN102991644B CN102991644B (en) | 2015-10-21 |
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| CN201210497085.XA Active CN102991644B (en) | 2012-11-28 | 2012-11-28 | A kind of electric windlass dynamic braking device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527931A (en) * | 2014-12-22 | 2015-04-22 | 武汉船用机械有限责任公司 | Speed-limiting anchoring control system |
| CN105966553A (en) * | 2016-06-08 | 2016-09-28 | 佘峰 | Novel intelligent anchor windlass with remote control function |
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| EP0676365A2 (en) * | 1994-03-12 | 1995-10-11 | HATLAPA Uetersener Maschinenfabrik GmbH & Co. | Mooring winch and method controlling the cable of a winch |
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| CN102259804A (en) * | 2010-05-07 | 2011-11-30 | Abb有限公司 | A mooring winch and a method for controlling a cable of a mooring winch |
| CN202481261U (en) * | 2012-02-20 | 2012-10-10 | 宝鸡石油机械有限责任公司 | Double-configuration heavy ocean chained anchor machine |
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2012
- 2012-11-28 CN CN201210497085.XA patent/CN102991644B/en active Active
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| EP0676365A2 (en) * | 1994-03-12 | 1995-10-11 | HATLAPA Uetersener Maschinenfabrik GmbH & Co. | Mooring winch and method controlling the cable of a winch |
| CN201095574Y (en) * | 2007-08-16 | 2008-08-06 | 谢步明 | Winch frequency conversion driving system for vessel |
| CN102259804A (en) * | 2010-05-07 | 2011-11-30 | Abb有限公司 | A mooring winch and a method for controlling a cable of a mooring winch |
| CN202481261U (en) * | 2012-02-20 | 2012-10-10 | 宝鸡石油机械有限责任公司 | Double-configuration heavy ocean chained anchor machine |
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| 张书忠: "锚机自动控制技术发展综述", 《船电技术》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527931A (en) * | 2014-12-22 | 2015-04-22 | 武汉船用机械有限责任公司 | Speed-limiting anchoring control system |
| CN104527931B (en) * | 2014-12-22 | 2016-08-17 | 武汉船用机械有限责任公司 | A kind of speed limit puts anchor control system |
| CN105966553A (en) * | 2016-06-08 | 2016-09-28 | 佘峰 | Novel intelligent anchor windlass with remote control function |
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| Publication number | Publication date |
|---|---|
| CN102991644B (en) | 2015-10-21 |
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