CN213042384U - Intelligent anti-theft alarm device and system for overhead cable - Google Patents
Intelligent anti-theft alarm device and system for overhead cable Download PDFInfo
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- CN213042384U CN213042384U CN202021820982.6U CN202021820982U CN213042384U CN 213042384 U CN213042384 U CN 213042384U CN 202021820982 U CN202021820982 U CN 202021820982U CN 213042384 U CN213042384 U CN 213042384U
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Abstract
The utility model provides an overhead cable intelligence burglar alarm and system, burglar alarm includes: the acceleration sensor is used for acquiring motion state data of the overhead cable; the feed-through current detection device is used for detecting whether the overhead cable has a current signal or not; the positioning communication module is used for positioning the anti-theft alarm device in real time; the microprocessor is used for detecting whether the overhead cable is in a preset state or not according to the motion state data, and when the overhead cable is detected to be in the preset state and the overhead cable has no current signal, the microprocessor sends the alarm information to the positioning communication module so that the positioning communication module sends the alarm information to the remote server; the power supply module is used for providing electric energy; the problem of among the prior art anti-theft device of overhead cable often can appear the wrong report is solved, the actual demand of electric wire netting operation company has been satisfied.
Description
Technical Field
The utility model relates to a cable theftproof technical field especially relates to an overhead cable intelligence burglar alarm and system.
Background
At present, the phenomenon that electric cables are stolen is very serious, cable stealing and cutting events are increased day by day, and after the cables are stolen and cut, on one hand, great direct economic loss is caused, on the other hand, the normal operation of various devices is also influenced, and the operation safety of a power grid is seriously threatened; the method has the advantages that a professional and targeted security system is purchased while the striking strength and the civil defense strength are legally increased, intelligent anti-theft of the power cable is realized, and the method is an important technical means for solving the problems.
At present, an anti-theft device of an overhead cable mainly adopts a voltage and current detection method or a capacitance detection method, wherein the voltage and current detection can be influenced by the presence or absence of current of the cable, and false alarm can be caused when a line is powered off or tripped; the capacitance detection method is influenced by network environment factors, the capacitance value changes due to the change of the line resistance value, and the line resistance value changes constantly due to factors such as line temperature, leakage or aging, so that a false alarm condition also occurs.
Therefore, the problem of false alarm often occurs in the anti-theft device of the overhead cable in the prior art, and the actual requirements of a power grid operation company cannot be met.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model provides a pair of overhead cable intelligence burglar alarm and system has solved among the prior art problem that the wrong report often can appear in the anti-theft device of overhead cable, has satisfied electric wire netting operation company's actual demand.
In a first aspect, the utility model provides an overhead cable intelligence burglar alarm, burglar alarm includes: the device comprises an acceleration sensor, a feed-through current detection device, a positioning communication module, a microprocessor and a power supply module; the acceleration sensor is used for acquiring motion state data of the overhead cable; the feed-through current detection device is used for detecting whether the overhead cable has a current signal or not; the positioning communication module is used for positioning the anti-theft alarm device in real time and sending alarm information to a remote server; the microprocessor is connected with the acceleration sensor, the feedthrough current detection device and the positioning communication module and is used for detecting whether the overhead cable is in a preset state or not according to the motion state data, and when the overhead cable is detected to be in the preset state and no current signal exists in the overhead cable, the microprocessor sends the alarm information to the positioning communication module so that the positioning communication module sends the alarm information to the remote server, wherein the alarm information comprises positioning coordinates of the anti-theft alarm device; the power module is used for providing electric energy for the acceleration sensor, the feedthrough current detection device, the microprocessor and the positioning communication module through a battery.
Optionally, the feedthrough current detection apparatus includes: a Hall switching device and an open core; the Hall switch device is arranged at the opening of the open iron core, and the output end of the Hall switch device is connected with the microprocessor; the opening iron core is buckled on the overhead cable, so that the overhead cable penetrates through the opening iron core.
Optionally, the power module comprises: the device comprises a battery, a power socket and a voltage stabilization management chip; the battery is connected with the input end of the power socket when in use and is used for providing input voltage for the power module; the input end and the enabling end of the voltage stabilization management chip are connected with the anode output end of the power socket, and the output end of the voltage stabilization management chip is the output end of the power module and used for converting the input voltage provided by the battery into stable target voltage.
Optionally, the power module further comprises: the positive end of the first electrolytic capacitor is connected with the positive output end of the power socket, the negative end of the first electrolytic capacitor is connected with the negative output end of the power socket, and the negative end of the first electrolytic capacitor is grounded; the positive end of the second electrolytic capacitor is connected with the output end of the voltage stabilization management chip, and the negative end of the second electrolytic capacitor is grounded; and the first end of the third capacitor is connected with the positive electrode end of the second electrolytic capacitor, and the second end of the third capacitor is grounded.
Optionally, the burglar alarm arrangement further comprises: and the input end of the starting trigger circuit is connected with the reset control signal end of the microprocessor, and the output end of the starting trigger circuit is connected with the reset trigger signal end of the positioning communication module and used for triggering the positioning communication module to enter a working state from a low power consumption state according to the reset control signal sent by the microprocessor.
Optionally, the start trigger circuit includes: the first end of the first resistor is connected with the reset control signal end of the microprocessor; a first end of the second resistor is connected with a second end of the first resistor, and a second end of the second resistor is grounded; a first end of the fourth capacitor is connected with the first end of the first resistor, and a second end of the fourth capacitor is grounded; the base electrode of the triode is connected with the second end of the first resistor, and the emitting electrode of the triode is connected with the second end of the second resistor; a first end of the third resistor is connected with a collector of the triode, and a second end of the third resistor is connected with an output end of the power supply module; a first end of the fifth capacitor is connected with a collector of the triode, and a second end of the fifth capacitor is connected with an emitter of the triode; and the collector of the triode is the output end of the starting trigger circuit.
Optionally, the burglar alarm arrangement further comprises: the input end of the battery voltage sampling circuit is connected with the positive output end of the power socket, and the output end of the battery voltage sampling circuit is connected with the voltage sampling end of the microprocessor and used for sampling the output voltage of the battery, so that the microprocessor calculates the residual electric quantity of the battery.
Optionally, the battery voltage sampling circuit comprises: a first end of the fourth resistor is connected with the positive output end of the power socket; a first end of the fifth resistor is connected with a second end of the fourth resistor, and a second end of the fifth resistor is grounded; a positive electrode end of the sixth electrolytic capacitor is connected with the first end of the fifth resistor, and a negative electrode end of the sixth electrolytic capacitor is grounded; and the first end of the fifth resistor is the output end of the battery voltage sampling circuit.
Optionally, the positioning communication module adopts an MC20 chip with positioning and communication functions.
In a second aspect, the utility model provides an intelligent anti-theft alarm system for overhead cables, which comprises the above intelligent anti-theft alarm device for overhead cables, a remote server and a remote monitoring platform; the intelligent aerial cable anti-theft alarm device is arranged on an aerial cable, is used for collecting motion state data and current signals of the aerial cable, and is also used for judging whether the aerial cable is in a stolen state according to the motion state data and the current signals, and sending alarm information to the positioning communication module when the aerial cable is judged to be in the stolen state, so that the positioning communication module sends the alarm information to the remote server, wherein the alarm information comprises positioning coordinates of the anti-theft alarm device; and the server displays the positioning coordinates in the alarm information on the remote monitoring platform.
The technical principle of the utility model is that:
the utility model discloses an acceleration sensor gathers the motion state data of overhead cable, and microprocessor calculates and analyzes shown motion state data to judge whether overhead cable is in the swing, drags or preset states such as weightlessness. When the microprocessor detects that the overhead cable is in a preset motion state, the punching current detection device detects whether a current signal passes through the overhead cable, when the overhead cable has no current signal, the microprocessor judges that the overhead cable is in a stolen cutting state, the positioning communication module sends the positioning coordinate of the anti-theft alarm device to the microprocessor, the microprocessor generates the positioning coordinate into alarm information and sends the alarm information to the positioning communication module, the positioning communication module transmits the alarm information to a remote server, and the server informs a worker of the positioning coordinate in the alarm information to perform corresponding processing.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a rule is judged in dual warning, only acceleration sensor detects out aerial cable is in and predetermines motion state and punching current detection device and detects out aerial cable when not having the current, microprocessor just can generate alarm information, has reduced the misstatement rate.
2. The utility model discloses an air gesture that ultra-thin, the ultra-low power consumption acceleration sensor comes the sensing wire, through to data acquisition and analysis, judges the multiple motion state of cable, through multiple motion state judges whether the cable is in predetermined motion state, and this kind of judgement section method is whether the circular telegram has or not current with the cable and is irrelevant, and whether electric leakage is irrelevant with ambient temperature, cable resistance and cable, therefore the sensitivity of reporting to the police is high, the wrong report rate is low and the good reliability.
3. The utility model discloses start the warning back, can be ceaselessly send the location coordinate signal always, the staff can discover on computer monitor platform or cell-phone monitor platform that overhead line is stolen or transported information such as other positions, can look over the complete orbit of transporting simultaneously on the map, makes things convenient for the electric wire netting user to confirm fast that stolen position or fault location also make things convenient for police to the pursuit of stealing the molecule and arrest.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural view of an intelligent anti-theft alarm device for an overhead cable according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a feedthrough current detection device according to an embodiment of the present invention;
fig. 3 is a schematic signal output diagram of a feedthrough current detection device according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a power module according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a start trigger circuit according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an intelligent anti-theft alarm system for an overhead cable according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
The functional units of the same reference numerals in the examples of the present invention have the same and similar structures and functions.
Example one
Fig. 1 shows that the embodiment of the utility model provides a structural schematic diagram of an overhead cable intelligence burglar alarm that provides, as shown in fig. 1, the overhead cable intelligence burglar alarm 100 that this embodiment provided specifically includes:
the system comprises an acceleration sensor 110, a feed-through current detection device 120, a positioning communication module 130, a microprocessor 140 and a power supply module 150;
the acceleration sensor 110 is used for collecting motion state data of the overhead cable;
the feedthrough current detection device 120 is configured to detect whether the overhead cable has a current signal;
the positioning communication module 130 is configured to position the burglar alarm in real time, and is further configured to send alarm information to the remote server 200;
the microprocessor 140 is connected to the acceleration sensor 110, the feedthrough current detection device 120, and the positioning communication module 130, and configured to detect whether the overhead cable is in a preset state according to the motion state data, and when it is detected that the overhead cable is in the preset state and the overhead cable has no current signal, send the alarm information to the positioning communication module 130, so that the positioning communication module 130 sends the alarm information to the remote server 200, where the alarm information includes positioning coordinates of the burglar alarm device;
the power module 150 is configured to provide power to the acceleration sensor 110, the feedthrough current detection device 120, the microprocessor 140, and the positioning communication module 130 through a battery.
It should be noted that the technical principle of the overhead cable intelligent burglar alarm device (burglar alarm device for short) 100 provided in this embodiment is as follows: when the overhead cable is in a normal static state, the positioning communication module 130 is turned off, the acceleration sensor 110 and the microprocessor 140 operate in a low power consumption state, and the operating current of the whole device is about 40 microamperes.
When the overhead cable is in a motion state, the acceleration sensor 110 senses that X, Y, Z axis motion state data change, when the motion state data exceed a preset threshold value, the acceleration sensor 110 actively wakes up and sends an interrupt signal to the microprocessor 140 to wake up the microprocessor 140, the microprocessor 140 actively and continuously acquires data of registers of an X axis, a Y axis and a Z axis of the acceleration sensor 110 after being woken up, the time is measured for 2 seconds, and whether the acceleration sensor 110 is in weightlessness, falling, impacting, standing, overturning, vibrating, swinging, dragging and other states is judged by calculating and analyzing the acquired motion state data, so that whether the overhead cable is in a preset state such as dragging or weightlessness is judged.
When microprocessor 140 detects out when the overhead cable is in predetermineeing the motion state, in order to prevent the condition of erroneous judgement, the utility model discloses still pass through current detection device 120 of punching detects whether the overhead cable has current signal to pass through, when the overhead cable does not have current signal, microprocessor 140 judges the overhead cable is in stolen cutting state.
When the microprocessor detects that the overhead cable is in a stolen state, the positioning communication module sends the positioning coordinates of the anti-theft alarm device to the microprocessor 140, the microprocessor 140 generates the positioning coordinates to generate alarm information and sends the alarm information to the positioning communication module, so that the positioning communication module 130 transmits the alarm information to the remote server 200, and the server informs a worker of the positioning coordinates in the alarm information to perform corresponding processing.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a rule is judged in dual warning, only acceleration sensor detects out aerial cable is in and predetermines motion state and punching current detection device and detects out aerial cable when not having the current, microprocessor just can generate alarm information, has reduced the misstatement rate.
2. The utility model discloses an air gesture that ultra-thin, the ultra-low power consumption acceleration sensor comes the sensing wire, through to data acquisition and analysis, judges the multiple motion state of cable, through multiple motion state judges whether the cable is in predetermined motion state, and this kind of judgement section method is whether the circular telegram has or not current with the cable and is irrelevant, and whether electric leakage is irrelevant with ambient temperature, cable resistance and cable, therefore the sensitivity of reporting to the police is high, the wrong report rate is low and the good reliability.
3. The utility model discloses start the warning back, can be ceaselessly send the location coordinate signal always, the staff can discover on computer monitor platform or cell-phone monitor platform that overhead line is stolen or transported information such as other positions, can look over the complete orbit of transporting simultaneously on the map, makes things convenient for the electric wire netting user to confirm fast that stolen position or fault location also make things convenient for police to the pursuit of stealing the molecule and arrest.
Example two
Fig. 2 is a schematic structural diagram of a feedthrough current detection device according to an embodiment of the present invention, as shown in fig. 2, the feedthrough current detection device 120 provided in this embodiment includes:
a hall switching device 121 and an open core 122;
the hall switching device 121 is arranged at the opening of the open iron core 122, and the output end of the hall switching device 121 is connected with the microprocessor 140; the open core 122 is snapped onto the overhead cable 300, so that the overhead cable 300 passes through the open core 122.
It should be noted that the hall switching device 121 in this embodiment adopts a chip of model MR6133X, and the open core may be set in two halves to facilitate the overhead cable to pass through the open core 122; in order to install the hall switching device, an iron core is provided with an opening, and the hall switching device is installed at the opening.
In the embodiment, a high-precision Hall switch chip MR613X is designed and installed in an open closed annular iron core, the iron core is buckled on an overhead cable, when current passes through the cable, an alternating magnetic field is generated around the cable, the iron core has a magnetism gathering effect on the magnetic field, when the magnetic field in the iron core vertically passes through a Hall chip induction surface, a signal is output, when no current passes through the cable, the alternating magnetic field cannot be generated around the cable, and no magnetic field in the iron core passes through the Hall chip induction surface, so that no signal is output by the chip; through the collection and analysis of the output signals of the Hall switch chip, whether the cable is provided with current or not can be accurately judged.
Fig. 3 is a schematic signal output diagram of a feedthrough current detecting device according to an embodiment of the present invention, which outputs a low level when the magnetic flux passing through the sensing surface of the device is greater than the operating point BOPS, outputs a high level when the magnetic flux passing through the sensing surface of the device is less than the release point BRP, and outputs a high level when the current passing through the core is ac, so that the magnetic flux passing through the core is ac, and thus the magnetic flux passing through the sensing surface of the hall switching device MR6133X is ac, the output of the hall switching device MR6133X is a square wave when the wire is electrified, and the output of the hall switching device MR6133X is a constant high level when the wire is not electrified.
EXAMPLE III
Fig. 4 is a schematic circuit diagram of a power module according to an embodiment of the present invention, and as shown in fig. 4, the power module 150 provided in this embodiment specifically includes:
a battery BAT, a power socket CT1 and a voltage regulation management chip U1;
when in use, the battery BAT is connected with the input end of the power socket CT1 and is used for providing input voltage for the power module 150; the input end and the enable end of the voltage stabilization management chip U1 are connected to the positive output end of the power socket CT1, and the output end of the voltage stabilization management chip U1 is the output end of the power module 150, and is configured to convert the input voltage provided by the battery BAT into a stable target voltage.
In this embodiment, the power module 150 further includes: a first electrolytic capacitor C1, wherein a positive terminal of the first electrolytic capacitor C1 is connected to a positive output terminal of the power socket CT1, a negative terminal of the first electrolytic capacitor C1 is connected to a negative output terminal of the power socket CT1, and a negative terminal of the first electrolytic capacitor C1 is grounded; the positive end of the second electrolytic capacitor C2 is connected with the output end of the voltage stabilization management chip U1, and the negative end of the second electrolytic capacitor C2 is grounded; and a first end of the third capacitor C3 is connected with a positive electrode end of the second electrolytic capacitor C2, and a second end of the third capacitor C3 is grounded.
It should be noted that the input voltage of the battery BAT is connected from the power socket CT1, the voltage regulation management chip U1 regulates the external voltage to DC 3.3V, and the voltage is output from the chip pin 5, and the voltage supplies power to the whole anti-theft alarm device, wherein the model of the voltage regulation management chip is XC 6204.
Example four
In this embodiment, the burglar alarm device 100 further comprises: and a start trigger circuit, an input end of the start trigger circuit is connected with the reset control signal end of the microprocessor 140, and an output end of the start trigger circuit is connected with the reset trigger signal end of the positioning communication module 130, and is used for triggering the positioning communication module 130 to enter a working state from a low power consumption state according to the reset control signal sent by the microprocessor 140.
Fig. 5 is a schematic circuit diagram of a start trigger circuit according to an embodiment of the present invention; as shown in fig. 5, the start trigger circuit includes:
a first resistor R1, wherein a first end of the first resistor R1 is connected to a reset control signal end of the microprocessor 140; a second resistor R2, a first end of the second resistor R2 is connected with a second end of the first resistor R1, and a second end of the second resistor R2 is grounded; a fourth capacitor C4, wherein a first terminal of the fourth capacitor C4 is connected to a first terminal of the first resistor R1, and a second terminal of the fourth capacitor C4 is grounded; a transistor Q1, wherein the base of the transistor Q1 is connected to the second end of the first resistor R1, and the emitter of the transistor Q1 is connected to the second end of the second resistor R2; a third resistor R3, a first terminal of the third resistor R3 is connected to the collector of the transistor Q1, and a second terminal of the third resistor R3 is connected to the output terminal of the power module 150; a fifth capacitor C5, wherein a first terminal of the fifth capacitor C5 is connected to the collector of the transistor Q1, and a second terminal of the fifth capacitor C5 is connected to the emitter of the transistor Q1; the collector of the transistor Q1 is the output terminal of the start triggering circuit.
It should be noted that, in this embodiment, the microprocessor 140 employs an MSP430F147 chip, the positioning communication module 130 employs an MC20 chip having positioning and communication functions, the pin 29 of the microprocessor 140 provides a start trigger signal (MC20_ STR _ EN) for the positioning communication module 130, when the MC20_ STR _ EN signal is at a high level, the collector of the transistor Q1 in the start trigger circuit outputs a low level, the pin 5 of the positioning communication module MC20 is at a low level, the low level is maintained for more than 3 seconds, the MC20 is started, at this time, the MC20_ STR _ EN signal sent by the microprocessor 140 returns to the low level, the pin 5 of the MC20 returns to the high level, and the light emitting diode connected to the MC20 flickers after the MC20 is started.
EXAMPLE five
In an embodiment of the present invention, the burglar alarm device 100 further includes: the input end of the battery voltage sampling circuit is connected with the positive output end of the power socket, and the output end of the battery voltage sampling circuit is connected with the voltage sampling end of the microprocessor and used for sampling the output voltage of the battery, so that the microprocessor calculates the residual electric quantity of the battery.
In this embodiment, the battery voltage sampling circuit includes: a first end of the fourth resistor is connected with the positive output end of the power socket; a first end of the fifth resistor is connected with a second end of the fourth resistor, and a second end of the fifth resistor is grounded; a positive electrode end of the sixth electrolytic capacitor is connected with the first end of the fifth resistor, and a negative electrode end of the sixth electrolytic capacitor is grounded; and the first end of the fifth resistor is the output end of the battery voltage sampling circuit.
It should be noted that, the battery voltage is divided by the fourth resistor and the fifth resistor and then connected to the microprocessor on-chip AD converter, the microprocessor on-chip AD converter has 8 input channels, the channels 1 to 4 are connected in parallel and then connected to the fourth resistor and the fifth resistor voltage dividing end, the data of the channels 1 to 4 are respectively converted, the four data are added and divided by 4 to obtain an average, and then the average is multiplied by 2 to obtain the battery voltage, so the design is mainly for more accurate AD conversion data, wherein the sixth capacitor is a bypass filter capacitor.
In this embodiment, the burglar alarm further provides a reset circuit, and an output end of the reset circuit is connected to the power-on reset end of the microprocessor, and is configured to provide a power-on reset signal for the microprocessor.
It should be noted that the reset circuit adopts a reset chip with a model of MAX809 to provide a power-on reset signal for the microprocessor, and pin 2 of the reset chip is connected to pin 58 of the microprocessor, and the low level is active.
In this embodiment, the acceleration sensor is an acceleration sensing chip of model ADXL345, which provides a standard SPI interface, and the functional pins SCK, SDI, SDO, CS of the chip are connected to pins 36, 37, 38, 20 of the microprocessor, respectively. The functional pins INT1, INT2 of the chip are connected to the pins 12, 13 of the microprocessor, respectively, wherein the acceleration sensor further comprises a resistor for pull-up.
EXAMPLE six
Fig. 6 is a schematic structural view of an intelligent anti-theft alarm system for overhead cables provided in an embodiment of the present invention, as shown in fig. 6, the anti-theft alarm system in this embodiment includes:
the intelligent anti-theft alarm device for the overhead cable, the remote server and the remote monitoring platform are provided by the embodiment;
the intelligent aerial cable anti-theft alarm device is arranged on an aerial cable, is used for collecting motion state data and current signals of the aerial cable, and is also used for judging whether the aerial cable is in a stolen state according to the motion state data and the current signals, and sending alarm information to the positioning communication module when the aerial cable is judged to be in the stolen state, so that the positioning communication module sends the alarm information to the remote server, wherein the alarm information comprises positioning coordinates of the anti-theft alarm device;
and the server displays the positioning coordinates in the alarm information on the remote monitoring platform.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an overhead cable intelligence burglar alarm, its characterized in that, burglar alarm includes:
the device comprises an acceleration sensor, a feed-through current detection device, a positioning communication module, a microprocessor and a power supply module;
the acceleration sensor is used for acquiring motion state data of the overhead cable;
the feed-through current detection device is used for detecting whether the overhead cable has a current signal or not;
the positioning communication module is used for positioning the anti-theft alarm device in real time and sending alarm information to a remote server;
the microprocessor is connected with the acceleration sensor, the feedthrough current detection device and the positioning communication module and is used for detecting whether the overhead cable is in a preset state or not according to the motion state data, and when the overhead cable is detected to be in the preset state and no current signal exists in the overhead cable, the microprocessor sends the alarm information to the positioning communication module so that the positioning communication module sends the alarm information to the remote server, wherein the alarm information comprises positioning coordinates of the anti-theft alarm device;
the power module is used for providing electric energy for the acceleration sensor, the feedthrough current detection device, the microprocessor and the positioning communication module through a battery.
2. The overhead cable intelligent burglar alarm arrangement according to claim 1, wherein said feedthrough current detecting means comprises:
a Hall switching device and an open core;
the Hall switch device is arranged at the opening of the open iron core, and the output end of the Hall switch device is connected with the microprocessor;
the opening iron core is buckled on the overhead cable, so that the overhead cable penetrates through the opening iron core.
3. The overhead cable intelligent burglar alarm arrangement of claim 1, wherein said power module comprises:
the device comprises a battery, a power socket and a voltage stabilization management chip;
the battery is connected with the input end of the power socket when in use and is used for providing input voltage for the power module;
the input end and the enabling end of the voltage stabilization management chip are connected with the anode output end of the power socket, and the output end of the voltage stabilization management chip is the output end of the power module and used for converting the input voltage provided by the battery into stable target voltage.
4. The overhead cable intelligent burglar alarm arrangement of claim 3, wherein said power module further comprises:
the positive end of the first electrolytic capacitor is connected with the positive output end of the power socket, the negative end of the first electrolytic capacitor is connected with the negative output end of the power socket, and the negative end of the first electrolytic capacitor is grounded;
the positive end of the second electrolytic capacitor is connected with the output end of the voltage stabilization management chip, and the negative end of the second electrolytic capacitor is grounded;
and the first end of the third capacitor is connected with the positive electrode end of the second electrolytic capacitor, and the second end of the third capacitor is grounded.
5. The overhead cable intelligent burglar alarm arrangement of claim 1, further comprising:
and the input end of the starting trigger circuit is connected with the reset control signal end of the microprocessor, and the output end of the starting trigger circuit is connected with the reset trigger signal end of the positioning communication module and used for triggering the positioning communication module to enter a working state from a low power consumption state according to the reset control signal sent by the microprocessor.
6. The overhead cable intelligent burglar alarm arrangement of claim 5, wherein said start triggering circuit comprises:
the first end of the first resistor is connected with the reset control signal end of the microprocessor;
a first end of the second resistor is connected with a second end of the first resistor, and a second end of the second resistor is grounded;
a first end of the fourth capacitor is connected with the first end of the first resistor, and a second end of the fourth capacitor is grounded;
the base electrode of the triode is connected with the second end of the first resistor, and the emitting electrode of the triode is connected with the second end of the second resistor;
a first end of the third resistor is connected with a collector of the triode, and a second end of the third resistor is connected with an output end of the power supply module;
a first end of the fifth capacitor is connected with a collector of the triode, and a second end of the fifth capacitor is connected with an emitter of the triode;
and the collector of the triode is the output end of the starting trigger circuit.
7. The overhead cable intelligent burglar alarm arrangement of claim 4, wherein said burglar alarm arrangement further comprises:
the input end of the battery voltage sampling circuit is connected with the positive output end of the power socket, and the output end of the battery voltage sampling circuit is connected with the voltage sampling end of the microprocessor and used for sampling the output voltage of the battery, so that the microprocessor calculates the residual electric quantity of the battery.
8. The overhead cable intelligent burglar alarm arrangement of claim 7, wherein said battery voltage sampling circuit comprises:
a first end of the fourth resistor is connected with the positive output end of the power socket;
a first end of the fifth resistor is connected with a second end of the fourth resistor, and a second end of the fifth resistor is grounded;
a positive electrode end of the sixth electrolytic capacitor is connected with the first end of the fifth resistor, and a negative electrode end of the sixth electrolytic capacitor is grounded;
and the first end of the fifth resistor is the output end of the battery voltage sampling circuit.
9. The overhead cable intelligent anti-theft alarm device according to any one of claims 1 to 8, wherein the positioning communication module adopts an MC20 chip with positioning and communication functions.
10. An intelligent anti-theft alarm system for an overhead cable, which is characterized by comprising the intelligent anti-theft alarm device for the overhead cable, a remote server and a remote monitoring platform, wherein the intelligent anti-theft alarm device for the overhead cable is provided with the intelligent anti-theft alarm device for the overhead cable, and the remote server and the remote monitoring platform are provided with the intelligent anti-theft alarm device for the overhead cable;
the intelligent aerial cable anti-theft alarm device is arranged on an aerial cable, is used for collecting motion state data and current signals of the aerial cable, and is also used for judging whether the aerial cable is in a stolen state according to the motion state data and the current signals, and sending alarm information to the positioning communication module when the aerial cable is judged to be in the stolen state, so that the positioning communication module sends the alarm information to the remote server, wherein the alarm information comprises positioning coordinates of the anti-theft alarm device;
and the server displays the positioning coordinates in the alarm information on the remote monitoring platform.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702764A (en) * | 2021-08-27 | 2021-11-26 | 中铁建电气化局集团第三工程有限公司 | Overhead cable breakage monitoring and judging method |
| CN115457718A (en) * | 2022-09-15 | 2022-12-09 | 国网安徽省电力有限公司颍上县供电公司 | Special anti-theft alarm system for cable before operation based on intelligent sensing |
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2020
- 2020-08-27 CN CN202021820982.6U patent/CN213042384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702764A (en) * | 2021-08-27 | 2021-11-26 | 中铁建电气化局集团第三工程有限公司 | Overhead cable breakage monitoring and judging method |
| CN115457718A (en) * | 2022-09-15 | 2022-12-09 | 国网安徽省电力有限公司颍上县供电公司 | Special anti-theft alarm system for cable before operation based on intelligent sensing |
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