CN110715608B - Rail-mounted wireless power supply system and operating equipment for cables - Google Patents
Rail-mounted wireless power supply system and operating equipment for cables Download PDFInfo
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- CN110715608B CN110715608B CN201810769668.0A CN201810769668A CN110715608B CN 110715608 B CN110715608 B CN 110715608B CN 201810769668 A CN201810769668 A CN 201810769668A CN 110715608 B CN110715608 B CN 110715608B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Abstract
The invention discloses operating equipment for cables, which comprises an equipment body, wherein the equipment body advances along a preset track parallel to a preset erection route of the cables, the equipment body is provided with a detection device used for sending a detection signal to an alarm device when the deformation of the cables is detected to exceed a preset range, and the alarm device is used for giving an alarm after receiving the detection signal. In this operation equipment, the equipment body advances along the track of predetermineeing with what the cable was erect the route and is paralleled, can guarantee that the deformation condition homoenergetic at cable each department can be detected to conveniently realize the comprehensive detection to the cable deformation condition. Meanwhile, the detection device can execute a deformation detection function, and the alarm device can execute an alarm function, so that a worker can timely obtain the deformation condition of the cable. The invention also discloses a rail-mounted wireless power supply system comprising the running equipment, which can conveniently realize the comprehensive detection of the deformation condition of the power transmitting cable.
Description
Technical Field
The invention relates to the technical field of cable equipment, in particular to operating equipment for cables. In addition, the invention also relates to a rail-mounted wireless power supply system comprising the running equipment.
Background
At present, in many occasions where cables are arranged, such as power supply systems and rail-mounted wireless power supply systems in cities, the cables are usually suspended and arranged on a plurality of cable brackets. However, the cable between the two cable brackets may be deformed such as sagging over time, and the deformation exceeding a certain range may affect the normal use of the cable distribution equipment and the safety of the cable, so that the deformation of the cable needs to be checked frequently.
In a typical detection mode, a worker directly observes the deformation condition of the cable on the ground and judges whether the deformation exceeds an allowable range according to experience. However, since the erection route of the cable may be long, and some positions of the cable may be located on the water surface or other places inconvenient for manual observation, the deformation condition of some positions of the cable may be always undetected, and thus the overall detection difficulty of the deformation condition of the cable is high.
Therefore, how to conveniently realize the comprehensive detection of the deformation condition of the cable is a technical problem which needs to be solved by the technical personnel in the field at present.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a running device for cables, which can conveniently realize comprehensive detection of cable deformation. Another object of the present invention is to provide a rail-mounted wireless power supply system including the above operating device, which can conveniently realize comprehensive detection of deformation of the power transmitting cable.
In order to achieve the purpose, the invention provides the following technical scheme:
the running equipment for the cable comprises an equipment body, wherein the equipment body advances along a preset track parallel to a preset erection route of the cable, a detection device used for sending a detection signal to an alarm device when the deformation of the cable is detected to exceed a preset range is arranged on the equipment body, and the alarm device is used for giving an alarm after receiving the detection signal.
Preferably, the device body is a power pick-up device, the cable is a power transmitting cable adapted to the power pick-up device to supply power, and the power pick-up device travels on a rigid track extending along the preset trajectory.
Preferably, the detection device is a correlation detector.
Preferably, in the correlation detector, the signal emitted by the emitter is a laser beam or infrared ray.
Preferably, the signal emitted by the emitter of a plurality of the correlation detectors forms a U-shaped structure, and the U-shaped structure can buckle the cable extending along the preset erection route.
Preferably, the correlation detector comprises a first correlation detector for detecting the upward deformation of the cable above the cable, a second correlation detector for detecting the downward deformation of the cable below the cable, and a third correlation detector for detecting the lateral deformation of the cable at the side of the cable, and the signals from the transmitters of the first correlation detector, the second correlation detector and the third correlation detector form the U-shaped structure.
Preferably, the alarm device comprises an alarm arranged on the equipment body.
Preferably, the alarm is an indicator light and/or a buzzer.
Preferably, the alarm device further comprises a third-party system device in signal connection with the device body, and a display device for displaying the cable deformation fault point according to the detection signal is arranged on the third-party system device.
A rail-mounted wireless power supply system comprising a power transmitting cable and further comprising a running device as claimed in any one of the preceding claims.
The running equipment for the cable provided by the invention comprises an equipment body, wherein the equipment body moves along a preset track parallel to a preset erection route of the cable, the equipment body is provided with a detection device used for sending a detection signal to an alarm device when the deformation of the cable is detected to exceed a preset range, and the alarm device is used for giving an alarm after receiving the detection signal.
In this operation equipment, the equipment body advances along the track of predetermineeing with what the cable was erect the route and is paralleled, can guarantee that the deformation condition homoenergetic at cable each department can be detected to conveniently realize the comprehensive detection to the cable deformation condition. Meanwhile, the detection device can execute a deformation detection function, and the alarm device can execute an alarm function, so that a worker can timely obtain the deformation condition of the cable.
The track type wireless power supply system comprising the running equipment can conveniently realize comprehensive detection on the deformation condition of the power transmitting cable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an operating apparatus provided in the present invention;
FIG. 2 is a side view of the running gear provided by the present invention;
FIG. 3 is a front view of the operating equipment provided by the present invention;
FIG. 4 is a schematic structural diagram of a track-based wireless power supply system according to the present invention;
fig. 5 is a cross-sectional view of a rail-mounted wireless power supply system provided by the present invention.
In FIGS. 1 to 5, 1-power transmitting cable, 2-cable mount, 3-power pickup device, 4-longitudinal laser beam transmitter, 41-longitudinal laser beam, 42-longitudinal laser beam receiver, 5-track laser beam transmitter, 51-upper track first laser beam, 52-upper track first laser beam receiver, 53-upper track second laser beam, 54-upper track second laser beam receiver, 55-lower track first laser beam, 56-lower track first laser beam receiver, 57-lower track second laser beam, 58-lower track second laser beam receiver, 6-rigid track, 7-load, 8-running cart, 9-tire, 10-connecting wire, 11-L-angle iron, 12-LED lamp bead, 13-sound-diffusing hole, 14-cable deformation fault point, 15-third-party system equipment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide the running equipment for the cable, which can conveniently realize the comprehensive detection of the deformation condition of the cable. The other core of the invention is to provide a track type wireless power supply system comprising the running equipment, which can conveniently realize the comprehensive detection of the deformation condition of the power transmitting cable.
In one embodiment, the invention provides a running device for cables, comprising a device body that travels along a predetermined trajectory parallel to a predetermined erection path of the cables. The preset erecting route of the cable is a route of the cable in an undeformed state after being erected on the cable support 2, for example, in fig. 4, the preset erecting route of the cable is an oblong route formed by two opposite straight segments and two opposite semi-circular arcs, and accordingly, the equipment body travels along an oblong track parallel to the cable of the oblong route. Of course, the preset erection route of the cable can also be set to be a straight segment-shaped route, a circular route, a rectangular route, an irregular route or other routes according to actual needs.
In the process that the equipment body marchs, even the cable takes place deformation, can not change the advancing direction of equipment body yet, predetermine promptly and erect the route and can not change, the equipment body is marchd according to predetermineeing the orbit all the time, and can not change advancing direction because of the route change is erect in reality after the cable deformation. The device body can travel along the preset track in various ways. For example, the device body may be slidably disposed on a rigid rail 6 extending along a preset trajectory, or the device body may be disposed on an unmanned aerial vehicle traveling along a preset trajectory.
Meanwhile, a detection device is arranged on the equipment body. The detection device can send a detection signal to the alarm device when detecting whether the deformation of the cable exceeds a preset range, the alarm device can give an alarm after receiving the detection signal, and the alarm device is in signal connection with the detection device.
In this embodiment, the equipment body advances along the track of predetermineeing with what the route paralleled was erect in presetting of cable, can guarantee that the deformation condition in cable each department can all be detected to conveniently realize the comprehensive detection to the cable deformation condition. Meanwhile, the detection device can execute a deformation detection function, and the alarm device can execute an alarm function, so that a worker can timely obtain the deformation condition of the cable.
In particular, the device body may be a power pick-up device 3, the cable being a power transmitting cable 1 adapted to the power pick-up device 3 for supplying power, the power pick-up device 3 running on a rigid track 6 extending along a preset trajectory.
Wherein the power pick-up device 3 is used in conjunction with the power transmitting cable 1 for a rail-mounted wireless power supply system. In a rail-based wireless power supply system, which may be referred to in particular by fig. 5, a rigid rail 6 is included, which rigid rail 6 extends along a predetermined trajectory. Preferably, the rigid track 6 may be provided with a running trolley 8, the running trolley 8 may reciprocate on the rigid track 6, and may also perform an annular motion on the annular rigid track, and the power pickup device 3 may specifically be fixedly connected to the running trolley 8, and the running trolley 8 drives the power pickup device 3 to run. Alternatively, an L-shaped angle 11 may be fixed to the bottom of the running carriage 8, and the power pickup device 3 is fixed to the L-shaped angle 11. In practice, the rigid rail 6 may stand on the ground. The power pick-up device 3 travels on the rigid track 6, on the side of which rigid track 6 a cable bracket 2 is mounted, which cable bracket 2 is used to tow the power transmitting cable 1. The power pick-up device 3 can pick up electric energy power from the power transmitting cable while traveling on the rigid track 6, the power pick-up device 3 can transmit the obtained energy to the load 7 on the running trolley 8 through the connecting line 10, and the load 7 is usually a motor or other electric equipment, so that the non-contact and uninterrupted power supply of the load 7 can be realized in the running process of the running trolley 8.
In this embodiment, because power transmission cable 1 needs to be used with power pickup device 3 cooperation for wireless power supply, set up power pickup device 3 into the equipment body, can be when power pickup device 3 operation direct real-time detection power transmission cable 1's deformation condition, and need not to take other detection means in addition to detect power transmission cable 1's deformation condition, it is convenient to detect, can prevent emergency and lead to the accident further to worsen, for example after detecting the cable flagging, carry out the auto-stop immediately and handle, prevent further loss. In addition, the system is convenient to debug, and when the system is debugged, the problem point can be judged as long as the equipment body automatically runs for a week.
In addition, for the power transmitting cable 1 and the power pick-up device 3 which are adapted to each other, if the power transmitting cable 1 extends along the predetermined erection route, i.e. the power transmitting cable 1 is not deformed, the power transmitting cable 1 and the power pick-up device 3 are usually not in contact with each other, so as to avoid the cable from striking or rubbing the power pick-up device 3 to damage the power pick-up device 3.
In this embodiment, the setting of detection device and alarm device can guarantee that the cable deformation problem can be by real-time detection to the reduction of maximize risk of failure in time reminds the staff after the deformation that detects the cable surpasss the preset scope, is favorable to prolonging power pickup device 3's life, guarantees this wireless power supply system's safe operation.
Preferably, the preset range defined by the detection device may be smaller than the deformation degree of the cable to contact with the power transmitting cable 1, so that the cable may be found by a worker and maintained in time when not deformed to a degree that can collide with the power pickup device, thereby reliably preventing accidents.
On the basis of any of the above embodiments, the detection device may specifically be a correlation detector, which is convenient to set. Wherein the correlation detector comprises a transmitter for transmitting a signal and a receiver for receiving the signal of the transmitter. For a correlation detector, at the detected position, if the cable is not deformed beyond a preset range, the signal transmission between the transmitter and the receiver is not blocked, and the receiver can receive the signal of the transmitter; if the deformation of the cable exceeds the preset range, the cable can block the signal transmission between the transmitter and the receiver, the receiver cannot receive the signal of the transmitter, and the receiver can send a signal in a state opposite to that when the signal of the transmitter is received to a subsequent circuit, so that the alarm device gives an alarm.
In the correlation detector, the signal emitted by the emitter may be a laser signal, and correspondingly, the receiver may be a laser detection element; or, the signal sent by the transmitter may be infrared light, specifically, a small-angle infrared signal, and correspondingly, the receiver may be a photo resistor or a photo diode. Of course, the correlation detector may be a fiber optic sensor or other detection device.
Obviously, the detection device is not limited to be arranged as a correlation detector. For example, in another embodiment, the detection device may include an image acquisition device and a controller, the image acquisition device acquires a cable image, the controller compares the acquired image with a standard cable image corresponding to the preset erection route, and determines whether the cable deformation exceeds a preset range according to a comparison result.
On the basis of any of the above embodiments, referring to fig. 1 to 3, signals emitted from a plurality of correlation detection transmitters may form a U-shaped structure, and the U-shaped structure can buckle cables extending along a predetermined erection route. It should be noted that the signals forming the U-shaped structure may not be coplanar, as long as each signal can form the U-shaped structure after being translated along the predetermined track direction.
More specifically, the correlation detector can include a first correlation detector for detecting the upward deformation condition of the cable above the cable, a second correlation detector for detecting the downward deformation condition of the cable below the cable, and a third correlation detector for detecting the lateral deformation condition of the cable at the side of the cable, and signals sent by the transmitters of the first correlation detector, the second correlation detector and the third correlation detector form a U-shaped structure, so that the arrangement is convenient.
Referring specifically to fig. 2, the signal of the correlation detector is a laser beam. Wherein the cable includes an upper power transmitting cable and a lower power transmitting cable disposed at a lower side of the upper power transmitting cable. The track laser beam transmitter 5 may be configured as an elongated structure, and includes 4 independent laser transmitters inside, which respectively emit an upper track first laser beam 51, an upper track second laser beam 53, a lower track first laser beam 55, and a lower track second laser beam 57, which are sequentially received by an upper track first laser beam receiver 52, an upper track second laser beam receiver 54, a lower track first laser beam receiver 56, and a lower track second laser beam receiver 58. The upper track first laser beam receiver 52 and the corresponding laser emitter, the lower track first laser beam receiver 56 and the corresponding laser emitter respectively form a first correlation detector, and the upper track second laser beam receiver 54 and the corresponding laser emitter, the lower track second laser beam receiver 58 and the corresponding laser emitter respectively form a second correlation detector.
Taking the upper-rail second laser beam receiver 54 as an example, the upper-rail second laser beam 53 is blocked when the upper power transmission cable is deformed due to gravity. The upper track second laser beam receiver 54 does not receive the laser beam and the state sent to the subsequent circuitry is reversed compared to when it was received, and the alarm means then alarms. The subsequent circuit or the single chip connected to the receiver can recognize that the second laser beam 53 of the upper track is shielded, and further judge that the upper power transmitting cable sags and deforms.
In addition, a third correlation detector is provided on the power pick-up device 3, specifically comprising a longitudinal laser beam transmitter 4 disposed above the upper power transmission cable and a longitudinal laser beam receiver 42 disposed below the lower power transmission cable. The upper track first laser beam 51, the upper track second laser beam 53 and the longitudinal laser beam 41 form a U-shaped structure, and the lower track first laser beam 55, the lower track second laser beam 57 and the longitudinal laser beam 41 form a U-shaped structure.
Usually, the power pick-up device 3 is provided with a groove which needs to be buckled on the cable. Preferably, the U-shaped structure formed by the signal of the correlation detector emitter and the opening direction of the power pick-up device 3 for buckling the groove on the cable can be consistent, so as to further facilitate the placement of the cable. In particular, the U-shaped structure opening direction may be oriented in a horizontal direction, thereby ensuring that sagging deformation of the cable may be detected.
On the basis of any of the above embodiments, the alarm device may specifically include an alarm provided on the device body. Alternatively, the alarm may be an indicator light and/or a buzzer. The alarm is arranged on the equipment body, and the position of the power pickup equipment 3 which sends out the alarm signal can be judged visually, so that the deformation position of the cable can be determined quickly.
Specifically, reference may be made to fig. 3, which shows a real-time example in which the alarm is set in a manner of combining sound and light, and includes LED lamp beads 12 and a speaker. Preferably, LED lamp beads 12 can be used to display the location of the fault, while different LED lamp beads 12 display different points of the fault. In addition, the power pickup device 3 is provided with a sound-diffusing hole 13 containing a horn, and if an alarm is given, the horn sounds.
On the basis of any of the above embodiments, the alarm device may include a third-party system device 15 connected to the device body through signals, and a display device for displaying the cable deformation fault point 14 according to the detection signal is disposed on the third-party system device 15. After detecting cable deformation fault point 14, power pickup device 3 can be uploaded data, can pinpoint deformation fault location point, through this third party system equipment's 15 demonstration, the staff need not directly to go to observe power pickup device 3, directly can find out the deformation point from display device to further improve work efficiency, easy maintenance. Alternatively, the third-party system device 15 and the power pickup device 3 may be in signal connection through wireless communication, leaky wave communication or other means.
Of course, the power pickup device 3 may be provided with an alarm, and may operate alone, or may not be used in cooperation with the third-party system device 15, so that the flexibility of use is high. That is, the alarm device may be only the alarm device provided on the apparatus body mentioned in the above embodiment; or, the alarm device is not arranged on the equipment body, and the alarm device only comprises a third-party system device 15 connected with the power pickup equipment 3 through signals; further, the alarm device may include both an alarm provided on the apparatus body and the third-party system apparatus 15.
Referring to fig. 2 to 3, taking the signal of the transmitter as the laser beam as an example, during the movement of the power pickup device 3, the power transmitting cable 1 should be always within the range of the U-shaped structure surrounded by the laser beam. If the cable sags or shifts transversely, the laser beam light path is correspondingly blocked, and the corresponding receiver cannot receive laser irradiation and is in the opposite state. This condition is processed by subsequent circuitry and an alarm may be raised.
Meanwhile, referring to fig. 4, the power pick-up device 3 may be in data communication with the third party system device 15, and the specific location of the inflection point is indicated by the display means, so that the maintenance personnel can be guided to directly maintain the track without the need of the end-to-end inspection along the track.
In practice, the power transmission cable 1 of the orbital wireless power supply system will generally form a closed loop with several power pick-up devices 3, i.e. 1 to many. Wherein, can set up the equipment body that provides in this application on the power transmission cable 1, can also carry out the deformation detection when having the power pick-up function promptly, can also be equipped with ordinary power pick-up equipment that does not have the deformation and detect the function. In operation, the third party system device 15 will cause the power pick-up device 3 in the operating device to operate on the power transmission cable 1 and the location of each device body can be known accurately.
When each equipment body passes through the cable deformation fault point 14, one alarm is triggered, and when the alarms are all near a certain point, the third-party system equipment 15 confirms the existence of the cable deformation fault point 14 and can accurately judge the position of the cable deformation fault point 14. Further, after confirming that the cable deformation fault point 14 exists, the rail-mounted wireless power supply system can stop to alarm, and the position of the cable deformation fault point 14 is displayed by the display device so as to guide maintenance personnel to carry out maintenance.
Obviously, the running device is not limited to be applied to a rail-mounted wireless power supply system, and can also be applied to any industrial system needing to detect the deformation of the cable.
In addition, for a system needing to determine the sagging amount of the cable, the detecting devices can be arranged at different heights, so that the sagging amount of the cable can be determined according to the positions of the detecting devices for detecting the cable.
Besides the running equipment, the invention also provides a rail type wireless power supply system. The track-type wireless power supply system specifically comprises the power transmitting cable 1 and the running equipment provided in any one of the above embodiments, and the beneficial effects can be correspondingly referred to the above embodiments. For the structure of other parts of the track-based wireless power supply system, please refer to the prior art, which is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The track type wireless power supply system and the running equipment for the cable provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. The operating equipment for the cable is characterized by comprising an equipment body, wherein the equipment body advances along a preset track parallel to a preset erection route of the cable, the equipment body is provided with a detection device used for sending a detection signal to an alarm device when the deformation of the cable is detected to exceed a preset range, and the alarm device is used for giving an alarm after receiving the detection signal;
wherein the device body is a power pick-up device (3), the cable is a power transmitting cable (1) adapted to the power pick-up device (3) for supplying power, the power pick-up device (3) travels on a rigid track (6) extending along the preset trajectory,
wherein the detection device is a correlation detector, in which the signal emitted by the emitter is laser beam or infrared ray,
wherein, a plurality of the signal that the transmitter of correlation formula detector sent constitutes the U-shaped structure, the U-shaped structure can be detained and follows predetermine the cable that erects the route extension, the correlation formula detector is including the first correlation formula detector that is used for detecting the cable above the cable to the upward deformation condition, the second correlation formula detector that is used for detecting the cable below and warp the condition downwards and be used for detecting the third correlation formula detector of cable sideward deformation condition at the cable side, first correlation formula detector the second correlation formula detector with the signal that the transmitter of third correlation formula detector sent constitutes the U-shaped structure, be equipped with on the power pickup device (3) and detain and locate the recess of cable, the opening direction of recess with the opening direction of U-shaped structure is unanimous.
2. The operating device according to claim 1, wherein the alarm means includes an alarm provided on the device body.
3. Operating device according to claim 2, characterized in that the alarm is an indicator light and/or a buzzer.
4. The operating equipment according to claim 1, wherein the alarm device comprises a third-party system device (15) connected with the equipment body in a signal mode, and a display device used for displaying a cable deformation fault point according to the detection signal is arranged on the third-party system device (15).
5. An orbital wireless power supply system comprising a power transmission cable (1), characterized in that it further comprises a running device according to any one of claims 1 to 4.
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| CN201810769668.0A CN110715608B (en) | 2018-07-13 | 2018-07-13 | Rail-mounted wireless power supply system and operating equipment for cables |
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| CN201810769668.0A CN110715608B (en) | 2018-07-13 | 2018-07-13 | Rail-mounted wireless power supply system and operating equipment for cables |
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| CN110715608B true CN110715608B (en) | 2021-09-21 |
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| CN111986449A (en) * | 2020-08-21 | 2020-11-24 | 常晓春 | Coal mine communication cable disconnection alarm device and alarm method thereof |
| CN117329984B (en) * | 2023-11-24 | 2024-04-02 | 双登电缆股份有限公司 | Deformation monitoring device for cable production |
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| DE29716560U1 (en) * | 1997-09-15 | 1997-11-20 | Deutzer Tech Kohle Gmbh | Device for determining the strength, the side and the height of overhead contact lines and for the detection of shocks |
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| JP2002048517A (en) * | 2000-08-02 | 2002-02-15 | Mitsubishi Cable Ind Ltd | Cable for sensing strain, and method of measuring strain |
| WO2008128504A1 (en) * | 2007-04-24 | 2008-10-30 | Sms Siemag Ag | Method for detecting and classifying surface defects on continuously cast slabs |
| CN104485756A (en) * | 2014-12-04 | 2015-04-01 | 珠海许继电气有限公司 | Electricity picking device for high-voltage power transmission line |
| CN105911067A (en) * | 2016-05-17 | 2016-08-31 | 无锡赛默斐视科技有限公司 | Cable protective jacket surface defect detector and detection method thereof |
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