CN102991644B - A kind of electric windlass dynamic braking device and method - Google Patents
A kind of electric windlass dynamic braking device and method Download PDFInfo
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- CN102991644B CN102991644B CN201210497085.XA CN201210497085A CN102991644B CN 102991644 B CN102991644 B CN 102991644B CN 201210497085 A CN201210497085 A CN 201210497085A CN 102991644 B CN102991644 B CN 102991644B
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- anchor chain
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- drum brake
- lowering velocity
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Abstract
The invention discloses a kind of electric windlass dynamic braking device and method, belong to field of ship equipment.Described device comprises: for detect anchor chain lowering velocity speed measuring module, for by with roll friction reduce anchor chain lowering velocity external contracting drum brake, for controlling to control when the permanent torque module of the electric machine rotation of electric windlass and the anchor chain lowering velocity for recording when speed measuring module are greater than preset value the control module of external contracting drum brake work with constant torque value.The present invention is by allowing the machine operation of electric windlass under permanent torque pattern, under making anchor chain can be in a state relatively at the uniform velocity in the whole process transferred, slow down when adopting external contracting drum brake to increase anchor chain lowering velocity simultaneously, avoid motor to be in generating state, and the stability of the performance to motor caused, service life and control system have an impact.
Description
Technical field
The present invention relates to field of ship equipment, particularly a kind of electric windlass dynamic braking device and method.
Background technology
Electric windlass is that one is arranged on the first stern main deck of boats and ships, weighs anchor, the marine equipment of the heaving pile that casts anchor for boats and ships.
Electric windlass mainly comprises: motor, the cylinder be connected on motor output shaft, the anchor chain be wrapped on cylinder, the anchor, control system and the control handle that are connected with anchor chain one end.When putting anchor, control handle first provides a speed signal, and control system exports a tachometer value according to given speed signal to motor, and motor controls anchor chain according to the tachometer value that control system exports and transfers.
Realizing in process of the present invention, contriver finds that prior art exists following problem:
Because anchor and anchor chain have weight, a downward acceleration/accel can be produced by the impact of this weight in the process transferred, the speed that anchor is transferred accelerates, cause motor by revving up in tow, make the tachometer value of motor higher than the tachometer value of the given motor of actual control system, and the tachometer value of motor can increase gradually; The tachometer value of motor is higher than after the given tachometer value of control system, and motor can be in generating state, and the electric energy that electric power generation produces will feed back in control system, has an impact to the stability of the performance of motor, service life and control system.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of electric windlass dynamic braking device and method.Described technical scheme is as follows:
Embodiments provide a kind of electric windlass dynamic braking device, described device comprises:
For detect anchor chain lowering velocity speed measuring module, for by with roll friction reduce described anchor chain lowering velocity external contracting drum brake, for controlling to control when permanent torque module that electric windlass rotates and the anchor chain lowering velocity for recording when speed measuring module are greater than preset value the control module of external contracting drum brake work with constant torque 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 is also 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 be arranged on electric windlass.
Further, described device also comprises and arranges module for what arrange described preset value, and the described module that arranges is electrically connected with described control module.
On the other hand, the embodiment of the present invention additionally provides a kind of electric windlass dynamic brake method, and described method comprises:
The electric machine rotation of electric windlass is controlled with constant torque value;
Detect anchor chain lowering velocity;
When the described anchor chain lowering velocity recorded is greater than preset value, open external contracting drum brake to reduce described anchor chain lowering velocity.
Further, the described electric machine rotation controlling electric windlass with constant torque value, comprising:
Frequency converter is adopted 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 recorded 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 present invention provides is brought is:
By allowing the machine operation of electric windlass under permanent torque pattern, under making anchor chain can be in a state relatively at the uniform velocity in the whole process transferred, slow down when adopting external contracting drum brake to increase anchor chain lowering velocity simultaneously, avoid motor to be in generating state, and the stability of the performance to motor caused, service life and control system have an impact.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the electric windlass dynamic braking device structural representation that the embodiment of the present invention one provides;
Fig. 2 is the electric windlass dynamic brake method flow diagram that the embodiment of the present invention two provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Embodiments provide a kind of electric windlass dynamic braking device, see Fig. 1, this device comprises:
For detect anchor chain lowering velocity speed measuring module 100, for by reducing the external contracting drum brake 200 of anchor chain lowering velocity, the permanent torque module 400 of rotating for the motor 300 controlling electric windlass with constant torque value and for controlling the control module 500 that external contracting drum brake 200 works when the anchor chain lowering velocity that speed measuring module 100 records is greater than preset value with roll friction; 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 is also electrically connected with the motor 300 of electric windlass.
Particularly, control module 500 comprises: for judging whether anchor chain speed that speed measuring module 100 records exceedes the judging unit of preset value, during for judging that anchor chain speed exceedes preset value when judging unit, 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 is also electrically connected with external contracting drum brake 200.Correspondingly, when the anchor chain speed recorded 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 arranged on the speed sensor on electric windlass.Particularly, speed sensor directly can measure the lowering velocity of anchor chain; Also can measure the speed of motor output shaft, thus obtain anchor chain lowering velocity.The particular location of speed sensor also accordingly relative set.
Further, this device also comprises and arranges module 600 for what arrange preset value, arranges module 600 and is electrically connected with control module 500.
On the one hand, the motor 300 that permanent torque module 400 is electric windlass provides a constant torque value, the torque value utilizing this constant can make anchor chain transfer under a relative state at the uniform velocity, the speed measuring module 100 simultaneously passed through detects the lowering velocity of anchor chain in real time, when the anchor chain in transferring makes lowering velocity increase owing to being subject to the impact of other factors and exceeding preset value, send instruction control external contracting drum brake 200 by control module 500 to open, brake, thus reduce the lowering velocity of anchor chain.The lowering velocity of anchor chain is stablized.
On the other hand, motor 300 due to electric windlass exports under permanent torque pattern, under making anchor chain can be in a state relatively at the uniform velocity in the whole process transferred, therefore the frequency of utilization of external contracting drum brake 200 can be very little, avoid owing to frequently using external contracting drum brake 200 and the brake collar of external contracting drum brake 200 is out of shape, decrease external contracting drum brake 200 and the Rubbing number of cylinder simultaneously, reduce wear intensity each other.
The embodiment of the present invention is by allowing the machine operation of electric windlass under permanent torque pattern, under making anchor chain can be in a state relatively at the uniform velocity in the whole process transferred, slow down when adopting external contracting drum brake to increase anchor chain lowering velocity simultaneously, avoid motor to be in generating state, and the stability of the performance to motor caused, service life and control system have an impact.
Embodiment two
Embodiments provide a kind of electric windlass dynamic brake method, as Fig. 2, the method comprises:
Step 1: the electric machine rotation controlling electric windlass with constant torque value.
Wherein, frequency converter is adopted to control the electric machine rotation of electric windlass with constant torque value.The motor being electric windlass by frequency converter provides a constant torque value, and the torque value utilizing this constant can make anchor chain transfer under a relative state at the uniform velocity.
Step 2: detect anchor chain lowering velocity.
Here can realize to anchor chain lowering velocity detection by Negotiation speed sensor.
Step 3: when the anchor chain lowering velocity recorded is greater than preset value, opens external contracting drum brake to reduce anchor chain lowering velocity.
Further, when the anchor chain lowering velocity recorded is less than or equal to preset value, close external contracting drum brake.
When the anchor chain in transferring makes lowering velocity increase owing to being subject to the impact of other factors and exceeding preset value, open control external contracting drum brake, external contracting drum brake and roll friction, thus reduce the lowering velocity of anchor chain.The lowering velocity of anchor chain is stablized.
Simultaneously, because the motor of electric windlass exports under permanent torque pattern, under making anchor chain can be in a state relatively at the uniform velocity in the whole process transferred, therefore the frequency of utilization of external contracting drum brake can be very little, avoid and make owing to frequently using external contracting drum brake the brake collar of external contracting drum brake be out of shape, decrease the Rubbing number of external contracting drum brake and cylinder simultaneously, reduce wear intensity each other.
The embodiment of the present invention is by allowing the machine operation of electric windlass under permanent torque pattern, under making anchor chain can be in a state relatively at the uniform velocity in the whole process transferred, slow down when adopting external contracting drum brake to increase anchor chain lowering velocity simultaneously, avoid motor to be in generating state, and the stability of the performance to motor caused, service life and control system have an impact.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory (ROM), disk or CD etc.
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 (8)
1. an electric windlass dynamic braking device, is characterized in that, described device comprises:
For detect anchor chain lowering velocity speed measuring module (100), for by reducing with roll friction the control module (500) controlling described external contracting drum brake (200) when the external contracting drum brake (200) of described anchor chain lowering velocity, the permanent torque module (400) of rotating for the motor (300) controlling electric windlass with constant torque value and the described anchor chain lowering velocity for recording when described speed measuring module (100) are greater than preset value and work; 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) is also 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 be arranged on electric windlass.
5. the device according to any one of claim 1-4, is characterized in that, described device also comprises and arranges module (600) for what arrange described preset value, and the described module (600) that arranges is electrically connected with described control module (500).
6. an electric windlass dynamic brake method, is characterized in that, described method comprises:
The electric machine rotation of electric windlass is controlled with constant torque value;
Detect anchor chain lowering velocity;
When the described anchor chain lowering velocity recorded is 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, the described electric machine rotation controlling electric windlass with constant torque value, comprising:
Frequency converter is adopted 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 recorded is less than or equal to described preset value, close described external contracting drum brake.
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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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| 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 CN102991644A (en) | 2013-03-27 |
| CN102991644B true CN102991644B (en) | 2015-10-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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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| 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 |
| CN102756791A (en) * | 2012-07-11 | 2012-10-31 | 武汉船用机械有限责任公司 | Hydraulic anchor machine braking system with two-gear speed adjustment |
| CN102745309A (en) * | 2012-07-19 | 2012-10-24 | 中国船舶重工集团公司第七0四研究所 | Three-chain wheel horizontal electric windlass |
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| CN102991644A (en) | 2013-03-27 |
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