CN209265632U - Power cable anti-theft alarm device and system - Google Patents
Power cable anti-theft alarm device and system Download PDFInfo
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- CN209265632U CN209265632U CN201821289730.8U CN201821289730U CN209265632U CN 209265632 U CN209265632 U CN 209265632U CN 201821289730 U CN201821289730 U CN 201821289730U CN 209265632 U CN209265632 U CN 209265632U
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Abstract
The utility model discloses a power cable burglar alarm, system. Wherein the apparatus comprises: the monitoring module monitors whether the cable is in abnormal operation, when the cable is monitored to be in abnormal operation, an alarm signal is output, the processor controls the alarm to trigger alarm according to the output alarm signal, and the alarm triggers alarm according to the control of the processor. Through the mode, indirect connection with the power cable body can be achieved, the power cable body is not damaged, timely anti-theft alarm can be achieved, and the power cable is prevented from being damaged by external force.
Description
Technical Field
The utility model relates to an electric power tech field especially relates to a power cable burglar alarm, system.
Background
At present, the power cable burglar alarm scheme mainly triggers the alarm by detecting the way that the cable armor layer or the shielding layer is stripped, and a power cable burglar alarm needs to be connected between the power cable armor layer and the grounding point in series, so that the following problems exist:
1. the alarm is triggered after the armor layer or the shielding layer of the cable is stripped, so that great delay exists, the cable is damaged at the moment, and great loss caused by the damage cannot be avoided.
2. The installation power cable burglar alarm device need destroy the oversheath of cable, leads to steel armour layer rust and corrosion easily, brings the potential safety hazard for the cable operation then.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable burglar alarm, system can realize not direct and this body coupling of power cable, do not destroy the power cable body, can realize in time burglar alarm, avoid power cable to suffer external damage.
According to the utility model discloses an aspect provides a power cable burglar alarm, include:
the monitoring module, the processor and the alarm are arranged;
the processor is connected with the monitoring module and the alarm respectively;
the monitoring module monitors whether the cable runs abnormally or not, when the cable runs abnormally, an alarm signal is output, the processor controls the alarm to trigger alarm according to the output alarm signal, and the alarm triggers alarm according to the control of the processor.
Wherein, the monitoring module includes: a current detection module; the current detection module detects whether the current value of the current flowing through the cable body or the cable terminal grounding wire or one of the three-phase wires of the cable terminal exceeds a preset threshold value or drops to zero, and outputs an alarm signal when the abnormal operation condition is detected.
Wherein, the monitoring module includes: a sensor; the sensor detects whether the cable body or the cable terminal grounding wire or the cable terminal three-phase wire has abnormal operation condition of being moved, and outputs an alarm signal when detecting the abnormal operation condition.
The monitoring module is arranged at a grounding wire of the cable terminal or one phase of three-phase wires of the cable terminal.
Wherein, the monitoring module is in the shape of a punch clamp or a trip type.
The power cable anti-theft alarm device also comprises a communication module connected with the processor;
the processor also controls the communication module to send the monitored information of the abnormal operation condition of the cable to the mobile terminal;
and the communication module sends the monitored information of the abnormal operation condition of the cable to the mobile terminal according to the control of the processor.
According to another aspect of the utility model, a power cable burglar alarm system is provided, include any one of the above-mentioned power cable burglar alarm.
The power cable anti-theft alarm system also comprises a monitoring background which is wirelessly connected with the power cable anti-theft alarm device;
the power cable anti-theft alarm device controls the communication module to send the monitored information of abnormal operation conditions of the cable to the monitoring background through the processor, controls the communication module to send alarm information triggered by the alarm to the monitoring background through the processor, and controls the communication module to send on-line information of mobile terminal communication to the monitoring background through the processor;
the monitoring background receives information sent by the power cable anti-theft alarm device and displays the received information so as to carry out remote monitoring management on the power cable anti-theft alarm device, and when the information sent by the power cable anti-theft alarm device cannot be received within a preset time, the monitoring background judges that the communication abnormality of the power cable anti-theft alarm device comprises shielding or disconnection of a communication signal, alarms and outputs, and simultaneously triggers the information of the communication abnormality to the mobile terminal.
According to the scheme, when the monitoring module monitors that the abnormal operation condition of the cable comprises the abnormal operation condition that the current value of the current flowing through one phase of the cable body, the cable terminal grounding wire or the cable terminal three-phase wire exceeds a preset threshold or suddenly drops to zero or the abnormal operation condition that the cable body, the cable terminal grounding wire or the cable terminal three-phase wire is moved is detected, an alarm signal is output, the processor can control the alarm to trigger the alarm according to the output alarm signal, the alarm can trigger the alarm according to the control of the processor, the direct connection with the power cable body can be achieved, the power cable body is not damaged, the timely anti-theft alarm can be achieved, and the power cable is prevented from being damaged by external force.
Furthermore, according to the scheme, the monitoring module can be in the shapes of a punch clamp or a trip type, and the like, so that the monitoring module is convenient to install and remove.
Further, according to the above scheme, the communication module can send the monitored information of the abnormal operation condition of the cable to the mobile terminal according to the control of the processor, so that the information of the abnormal operation condition can be timely notified to the operation and maintenance personnel corresponding to the mobile terminal to take measures.
Furthermore, according to the scheme, the monitoring background can receive information sent by the power cable anti-theft alarm device and display the received information, so that the power cable anti-theft alarm device can be remotely monitored and managed.
Furthermore, according to the scheme, when the monitoring background can not receive the information sent by the power cable anti-theft alarm device within the preset time, the monitoring background judges that the communication abnormality of the power cable anti-theft alarm device comprises shielded or disconnected communication signals and the like, the alarm is output to operation and maintenance personnel to take measures, and meanwhile, the information with the abnormal communication is triggered to the operation and maintenance personnel corresponding to the mobile terminal to take measures, so that the effective remote monitoring and management of the power cable anti-theft alarm device can be realized, the anti-theft alarms of a plurality of power cables can be effectively monitored and managed simultaneously, and the monitoring background is low in cost, easy to realize and high in cost performance.
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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the anti-theft alarm device for power cables of the present invention;
fig. 2 is a schematic structural view of another embodiment of the anti-theft alarm device for power cables of the present invention;
fig. 3 is a schematic view illustrating another embodiment of the anti-theft alarm device for power cable of the present invention;
fig. 4 is another exemplary schematic diagram of another embodiment of the anti-theft alarm device for power cable of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the anti-theft alarm system for power cables according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only for illustrating the present invention, but do not limit the scope of the present invention. Similarly, the following embodiments are only some but not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
The utility model provides a power cable burglar alarm can realize not directly this body coupling of power cable, does not destroy the power cable body, can realize in time burglar alarm, avoids power cable to suffer external damage.
Referring to fig. 1, fig. 1 is a schematic structural view of an embodiment of the power cable burglar alarm of the present invention. As shown in fig. 1, the power cable burglar alarm device 10 includes: monitoring module 11, processor 12, alarm 13.
The processor 12 is connected to the monitoring module 11 and the alarm 13, respectively.
The monitoring module 11 is configured to monitor whether the cable is in an abnormal operation condition, and output an alarm signal when the cable is monitored to be in the abnormal operation condition.
The processor 12 is used for controlling the alarm 13 to trigger an alarm according to the output alarm signal.
The alarm 13 is used for triggering an alarm according to the control of the processor 12.
Optionally, the power cable burglar alarm device 10 may further include:
and a power supply module 14 connected to the processor 12 for supplying power to the processor 12.
Optionally, the monitoring module 11 may include:
the current detection module 111 is configured to detect whether an abnormal operation condition that a current value of a current flowing through a cable body or a cable terminal ground wire or one of three-phase conductors of the cable terminal exceeds a preset threshold or drops to zero occurs, and output an alarm signal when the abnormal operation condition is detected.
Optionally, the monitoring module 11 may include:
the sensor 112 is configured to detect whether an abnormal operation condition that the cable body or the cable terminal grounding wire or the cable terminal three-phase wire is moved occurs in a sensing detection manner, and output an alarm signal when the abnormal operation condition is detected.
Alternatively, the monitoring module 11 may be arranged at the earth line of the cable termination or at one of the three phase conductors of the cable termination.
Alternatively, the monitoring module 11 may have a punch-clamp or a trip-type external shape, which is convenient for installation and removal.
In this embodiment, the current detection module 111 may be at least one of a current switching value sensor, a current relay, a current sensor, and the like, but the invention is not limited thereto. The current switching value sensor or the current relay or the current sensor is used for detecting whether the current value of the current flowing through one phase of the cable body or the cable terminal grounding wire or the cable terminal three-phase wire exceeds a preset threshold value or drops to zero or not, and when the abnormal operation condition is detected, a switching value control signal is given out, and an alarm signal is output.
In this embodiment, the sensor 112 may be at least one of a vibration sensor, an acceleration sensor, an angle sensor, a displacement sensor, and the like, but the invention is not limited thereto. The at least one of the vibration sensor, the acceleration sensor, the angle sensor or the displacement sensor is used for detecting whether the cable body or the cable terminal grounding wire or the cable terminal three-phase wire has abnormal operation condition of being moved or not by adopting a sensing detection mode, and outputting an alarm signal when the abnormal operation condition is detected.
In this embodiment, the alarm 13 may be an audible and visual alarm for triggering an audible and visual alarm under the control of the processor 12.
In this embodiment, the power supply module 14 may adopt a power saving technology, a power saving mode, etc., may adopt a button cell, may also adopt a zinc-manganese cell, may also adopt an alkaline cell, may adopt a rechargeable cell, and may adopt a solar cell, and the present invention is not limited thereto. Typically, the power module 14 may be an alkaline battery, and ideally operates for 10 years without recharging, and may provide an alarm output when the battery is low.
It can be found that, in this embodiment, the monitoring module may output an alarm signal when monitoring that the abnormal operation condition of the cable occurs, including detecting that the current value of the current flowing through one of the phase conductors of the cable body, the cable terminal grounding wire or the cable terminal three-phase conductor exceeds a preset threshold or suddenly drops to zero, or detecting that the abnormal operation condition of the cable body, the cable terminal grounding wire or the cable terminal three-phase conductor being moved occurs, the processor may control the alarm to trigger the alarm according to the output alarm signal, the alarm may trigger the alarm according to the control of the processor, the alarm may not be directly connected to the power cable body, the power cable body may not be damaged, the timely burglar alarm may be implemented, and the power cable may be prevented from being damaged by external force.
Further, in this embodiment, the monitoring module may be in the form of a through hole clamp or a trip type, which is convenient for installation and removal.
Referring to fig. 2, fig. 2 is a schematic structural diagram of another embodiment of the anti-theft alarm device for power cables of the present invention. Different from the previous embodiment, the power cable burglar alarm device 20 of the present embodiment further includes: a communication module 21 connected to the processor 12.
The processor 12 is further configured to control the communication module 21 to send the monitored information of the abnormal operation condition of the cable to the mobile terminal.
The communication module 21 is configured to send information of the detected abnormal operation condition of the cable to the mobile terminal according to the control of the processor 12.
In this embodiment, the communication module 21 may be connected to the mobile terminal by using a short-range Wireless technology, which may be any one of bluetooth, wiFi (Wireless-Fidelity, wireless broadband network), and ZigBee (ZigBee), but the invention is not limited thereto.
In this embodiment, this communication module 21 can also adopt NB-IoT (Narrow Band Internet of Things based on cellular) technology to be connected with mobile terminal, can adopt wide area narrowband Internet of Things (LoRa) technology based on wireless network to be connected with mobile terminal again, the utility model discloses not with the restriction.
In this embodiment, the communication module 21 sends the monitored information of the abnormal operation condition of the cable to the mobile terminal in a notification manner including one or more of a short message, a telephone call, a vibration of the mobile phone, or a ringing of the mobile phone.
In this embodiment, this mobile terminal can be cell-phone, panel computer, portable wearable equipment etc, the utility model discloses not prescribing a limit to, can embed App (Application) software in this mobile terminal, can show this power cable burglar alarm device 20's state, like battery power, the alarm situation etc, fortune dimension personnel can be connected to this power cable burglar alarm device 20 through this mobile terminal App software, establish defences, withdraw a defense etc. still can sign in on the scene, through the aforesaid mode, improve equipment and patrol and examine quality and efficiency.
It can be found that, in this embodiment, the communication module may send the monitored information of the abnormal operation condition of the cable to the mobile terminal according to the control of the processor, so as to timely notify the information of the abnormal operation condition to the operation and maintenance personnel corresponding to the mobile terminal to take measures.
The present embodiment is illustrated below:
referring to fig. 3, fig. 3 is a schematic view illustrating another embodiment of the anti-theft alarm device for power cable of the present invention. As shown in fig. 3, this cable is 10kV (kilocol, kilovolt) three-core power cable, and the cable both ends are for installing the outdoor terminal on the shaft tower, the utility model discloses a power cable burglar alarm sets up the earth connection department at the cable terminal, the utility model discloses a another power cable burglar alarm sets up one of them looks wire department in cable terminal three-phase conductor. Generally, a power cable is stolen when the cable is just laid and a load is not switched on to normally run, one end of an isolating switch connected with a cable terminal is in a closing state, and the other end of the isolating switch is in a breaking state. The cable is in an idle running state, weak capacitance current flows through three-phase wires of the cable, and the current flowing through the grounding wire of the cable terminal is the sum of the three-phase capacitance current, is close to zero and can be ignored.
As shown in fig. 3, when the isolator three-phase that is in the closing position wherein is pulled open one by one, the utility model discloses a power cable burglar alarm will monitor a transient state overcurrent, typically, work as the utility model discloses a monitoring module among the power cable burglar alarm detects that the current value of the electric current that flows on one of them looks wire in cable body or cable terminal ground wire or the cable terminal three-phase wire appears exceeding the preset threshold value like 10MA (MilliAmpere ) when or during the abnormal operation condition that the abrupt drop is zero, monitoring module output alarm signal, the treater can be according to the alarm signal of this output, the control alarm triggers the warning, this alarm can be according to the control of this treater, trigger the warning, can realize indirect with this body coupling of power cable, do not destroy the power cable body, can realize timely burglar alarm, avoid power cable to suffer external force destruction. Further, the utility model discloses a monitoring module among the power cable burglar alarm can appear by the abnormal operation condition wait of removal when detecting cable body or cable terminal earth connection or cable terminal three phase conductor, output alarm signal, the treater can be according to the alarm signal of this output, the control alarm triggers the warning, this alarm can be according to the control of this treater, trigger alarm, can realize not direct and this body coupling of power cable, do not destroy the power cable body, can realize in time burglar alarm, avoid power cable to suffer external force destruction. Further, the utility model discloses a communication module among the power cable burglar alarm can be according to the control of treater, sends the information that this monitoring cable abnormal operation condition appears to mobile terminal, can realize in time informing the information of this abnormal operation condition to the fortune dimension personnel that this mobile terminal corresponds and take measures.
Referring to fig. 4, fig. 4 is another exemplary schematic diagram of another embodiment of the anti-theft alarm device for power cable of the present invention. As shown in fig. 4, the cable is a 10kV three-core power cable, one end of the cable is installed at an outdoor terminal on a tower, and the other end of the cable is installed in a switch cabinet in a cable branch box. At this moment, the isolator who is connected with cable terminal on the shaft tower is in combined floodgate state, and load switch or circuit breaker etc. that are connected with another terminal of this cable are in the separating brake state in this cubical switchboard, the utility model discloses a power cable burglar alarm can set up in cable terminal's earth connection department or set up one of them looks wire department in the cable terminal three-phase wire.
The utility model also provides a power cable burglar alarm system can realize not directly this body coupling of power cable, does not destroy the power cable body, can realize timely burglar alarm, avoids power cable to suffer external damage.
Please refer to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of the power cable burglar alarm system of the present invention. In the present embodiment, the power cable burglar alarm system 50 includes a power cable burglar alarm device 51, and the power cable burglar alarm device 51 is the power cable burglar alarm device in the above-described embodiment.
Optionally, the power cable burglar alarm system 50 may further include: and a monitoring background 52 wirelessly connected with the power cable anti-theft alarm device 51.
This power cable burglar alarm 51 can adopt the narrowband thing networking NB-IoT mode based on the honeycomb to be connected with this control backstage 52, can adopt the wide area narrowband thing networking LoRa mode based on wireless network to be connected with this control backstage 52 again, the utility model discloses not prescribe a limit to.
The power cable burglar alarm device 51 is configured to control the communication module 21 to send the monitored information of the abnormal operation condition of the cable to the monitoring background 52 through the processor 12, control the communication module 21 to send alarm information triggered by the alarm 13 to the monitoring background 52 through the processor 12, and control the communication module 21 to send the online information of the mobile terminal communication to the monitoring background 52 through the processor 12.
The monitoring background 52 is configured to receive information sent by the power cable burglar alarm 51, display the received information, perform remote monitoring management on the power cable burglar alarm 51, determine that the communication abnormality of the power cable burglar alarm 51 includes shielding or disconnection of a communication signal when the information sent by the power cable burglar alarm 51 is not received within a preset time, output an alarm, and trigger the information of the communication abnormality to the mobile terminal.
It can be found that, in this embodiment, the monitoring module may output an alarm signal when monitoring that the cable has an abnormal operation condition, including an abnormal operation condition that a current value of a current flowing through one of the cable body, the cable terminal grounding wire or the cable terminal three-phase wire exceeds a preset threshold or suddenly drops to zero, or an abnormal operation condition that the cable body, the cable terminal grounding wire or the cable terminal three-phase wire is moved, or the like, the processor may control the alarm to trigger an alarm according to the output alarm signal, the alarm may trigger an alarm according to the control of the processor, the alarm may be not directly connected to the power cable body, the power cable body is not damaged, an anti-theft alarm may be timely implemented, and the power cable is prevented from being damaged by an external force.
Further, in this embodiment, the monitoring background may receive information sent by the power cable burglar alarm, and display the received information, so as to implement remote monitoring management on the power cable burglar alarm.
Further, in this embodiment, when the monitoring background cannot receive the information sent by the power cable burglar alarm device for more than the preset time, it is determined that the communication abnormality of the power cable burglar alarm device includes that the communication signal is shielded or disconnected, and the alarm is output to the operation and maintenance personnel to take measures, and meanwhile, the information of the communication abnormality is triggered to the operation and maintenance personnel corresponding to the mobile terminal to take measures, so that effective remote monitoring and management of the power cable burglar alarm device can be realized, the burglar alarms of a plurality of power cables can be effectively monitored and managed remotely at the same time, and the monitoring background is low in cost, easy to implement, and high in cost performance.
It should be noted that a commonly used monitoring algorithm is run on the monitoring module 11, a commonly used control processing algorithm is run on the processor 12, a commonly used alarm algorithm is run on the alarm 13, a commonly used power supply algorithm is run on the power supply module 14, a commonly used communication algorithm is run on the communication module 21, and a commonly used monitoring algorithm is run on the monitoring background 52.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown in the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those skilled in the art in light of the foregoing description. For example, other memory architectures, such as Dynamic RAM (DRAM), may use the discussed embodiments.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A power cable burglar alarm device, characterized by comprising:
the monitoring module, the processor, the alarm and the power supply module;
the processor is respectively connected with the monitoring module and the alarm;
the monitoring module monitors whether the cable runs abnormally or not, when the cable runs abnormally, an alarm signal is output, the processor controls the alarm to trigger alarm according to the output alarm signal, and the alarm triggers alarm according to the control of the processor;
the monitoring module is in a punch clamp type or trip type external shape;
the power supply module is connected with the processor and used for supplying power to the processor; the power supply module adopts a power-saving technology or a power-saving mode, and outputs an alarm signal when the power supply module is insufficient in electric quantity;
the communication module is connected with the processor; the communication module is connected with the mobile terminal by adopting a narrow-band Internet of things technology based on honeycomb or a wide-area narrow-band Internet of things technology based on a wireless network;
the cable is a three-core power cable, one end of the cable is arranged at an outdoor terminal on a tower, and the other end of the cable is arranged in a switch cabinet in a cable branch box; the power cable anti-theft alarm device is arranged at a grounding wire of the cable terminal or at one phase of three-phase wires of the cable terminal.
2. A power cable burglar alarm arrangement according to claim 1, wherein said monitoring module comprises: a current detection module; the current detection module detects whether the current value of the current flowing through one of the cable body or the cable terminal grounding wire or the three-phase wire of the cable terminal exceeds a preset threshold value or drops to zero, and outputs an alarm signal when the abnormal operation condition is detected.
3. A power cable burglar alarm arrangement according to claim 1, wherein said monitoring module comprises: a sensor; the sensor detects whether the cable body or the cable terminal grounding wire or the cable terminal three-phase wire has abnormal operation condition of being moved, and outputs an alarm signal when detecting the abnormal operation condition.
4. The power cable burglar alarm arrangement of claim 1, wherein said monitoring module is arranged at a ground line of the cable termination or at one of the three phase conductors of the cable termination.
5. The power cable burglar alarm arrangement according to claim 1, wherein said processor further controls said communication module to transmit information of said monitored abnormal operation condition of said cable to a mobile terminal;
and the communication module sends the monitored information of the abnormal operation condition of the cable to the mobile terminal according to the control of the processor.
6. A power cable burglar alarm system comprising a power cable burglar alarm arrangement according to any of claims 1 to 5.
7. A power cable burglar alarm system according to claim 6, further comprising a monitoring back-office wirelessly connected to said power cable burglar alarm unit;
the power cable anti-theft alarm device controls the communication module to send the monitored information of abnormal operation conditions of the cable to the monitoring background through the processor, controls the communication module to send alarm information triggered by the alarm to the monitoring background through the processor, and controls the communication module to send on-line information of mobile terminal communication to the monitoring background through the processor;
the monitoring background receives information sent by the power cable anti-theft alarm device and displays the received information so as to carry out remote monitoring management on the power cable anti-theft alarm device, and when the information sent by the power cable anti-theft alarm device cannot be received within a preset time, the monitoring background judges that the communication abnormality of the power cable anti-theft alarm device comprises shielding or disconnection of a communication signal, alarms and outputs, and simultaneously triggers the information of the communication abnormality to the mobile terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821289730.8U CN209265632U (en) | 2018-08-10 | 2018-08-10 | Power cable anti-theft alarm device and system |
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| CN201821289730.8U CN209265632U (en) | 2018-08-10 | 2018-08-10 | Power cable anti-theft alarm device and system |
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| CN209265632U true CN209265632U (en) | 2019-08-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111061204A (en) * | 2019-12-31 | 2020-04-24 | 龙岩龙安安全科技有限公司 | Building safety control system and control method thereof |
| CN113345186A (en) * | 2021-06-01 | 2021-09-03 | 中国电信股份有限公司 | Anti-theft device of base station grounding wire and base station |
| 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 |
| CN115601936A (en) * | 2022-10-31 | 2023-01-13 | 国网湖北省电力有限公司咸宁供电公司（Cn） | Outer broken calamity monitoring alarm device of power transmission line |
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2018
- 2018-08-10 CN CN201821289730.8U patent/CN209265632U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111061204A (en) * | 2019-12-31 | 2020-04-24 | 龙岩龙安安全科技有限公司 | Building safety control system and control method thereof |
| CN113345186A (en) * | 2021-06-01 | 2021-09-03 | 中国电信股份有限公司 | Anti-theft device of base station grounding wire and base station |
| 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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Effective date of registration: 20200924 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |