CN215728717U - Lamp pole potential line node electric leakage monitor terminal - Google Patents
Lamp pole potential line node electric leakage monitor terminal Download PDFInfo
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- CN215728717U CN215728717U CN202121131984.9U CN202121131984U CN215728717U CN 215728717 U CN215728717 U CN 215728717U CN 202121131984 U CN202121131984 U CN 202121131984U CN 215728717 U CN215728717 U CN 215728717U
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- 238000004891 communication Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 5
- 230000008439 repair process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
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Abstract
The utility model relates to the technical field of street lamps, in particular to a lamp post potential line node leakage monitoring terminal which comprises a voltage and current detection unit, wherein the voltage and current detection unit comprises a first current transformer and a lamp post voltage detection circuit, the first current transformer is arranged at the position of a wire inlet of a lamp post potential line, a live wire and a zero wire of the wire inlet potential line penetrate through the first current transformer, and a ground wire of the lamp post voltage detection circuit is electrically connected with a metal shell of a lamp post. The utility model aims to solve the problems that the leakage cannot be found in time and the leakage or fault part cannot be quickly and accurately positioned, and the leakage and fault part is accurately positioned and information is transmitted to the cloud server in real time, so that relevant workers are informed of the leakage and fault part, the fault is found and processed in time, the potential safety hazard is known, and normal illumination is ensured.
Description
Technical Field
The utility model relates to the technical field of street lamps, in particular to a lamp post potential line node electric leakage monitoring terminal.
Background
With the improvement of living standard and the development of science and technology, road lighting greatly facilitates daily life of people, and at present, a road lighting low-voltage power supply and distribution network is distributed on each road in a city, and lighting facilities such as lamps and lanterns are more tens of thousands. In recent years, the street lamps have electric leakage caused by line aging or equipment failure, and accidents of electric shock casualties occur sometimes, and particularly, the electric shock accidents are more likely to occur in rainy days. No matter the existing street lamp adopts an overhead line or a buried cable, the facility operation cannot avoid certain fault rate, certain faults can cause electric leakage phenomenon to enable the surface of a lamp post or other facilities to be electrified, the street lamp is closely contacted with pedestrians because the street lamp is distributed at dense places where people pass, such as a road, a street lane and the like, and the pedestrians are very dangerous if the street lamp leaks electricity due to the faults.
The street lamp leakage detection and monitoring system has the advantages that in the prior art, the street lamp leakage is detected or monitored by the whole line at the electric box, the leakage of the lamp post or the leakage of the line cannot be quickly and accurately known, the maintenance work of the street lamp leakage is greatly increased, and once the leakage protector is installed on the line, the line can be easily tripped, so that the leakage of the street lamp on one line can cause the power failure and the incapability of lighting of all street lamps on the line.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to solve the problems that the leakage cannot be found in time and the leakage or fault cannot be quickly and accurately positioned, and the leakage and fault parts are accurately positioned and the information is transmitted to the cloud server in real time to inform relevant workers, so that the fault is found and processed in time, the potential safety hazard is eliminated, and the normal illumination is ensured.
In order to achieve the above object, the present invention is achieved by the following technical solutions. A lamp post potential line node electric leakage monitoring terminal comprises a voltage and current detection unit, wherein the voltage and current detection unit comprises a first current transformer and a lamp post voltage detection circuit, the first current transformer is arranged at the position of an incoming line of a lamp post potential line, a live line and a zero line of the incoming line potential line penetrate through the first current transformer, the first current transformer is used for detecting an incoming current entering a lamp post, a ground wire of the lamp post voltage detection circuit is electrically connected with a metal shell of the lamp post, the lamp post voltage detection circuit is used for detecting the working voltage of an illumination light source and the lamp post potential, the lamp post potential is the voltage values of the metal shell of the lamp post and the zero line, the detection information of the voltage and current detection unit is output to a processor unit in real time, and the processor unit is used for receiving information, processing and converting the information and then transmitting the information to a cloud server through a communication unit, and displaying the map position of the first current transformer on the cloud server in real time, and displaying the potential and the inlet current of the lamp post.
Preferably, the voltage and current detection unit includes a second current transformer, the second current transformer is connected to the relay, and the second current transformer is configured to detect a working current of the illumination light source.
Preferably, the device also comprises a battery and a power management circuit.
Further preferably, the model of the power management circuit is CN 3052.
Further preferably, the processor unit is electrically connected to the voltage and current detection unit, the communication unit, and the power management circuit.
Preferably, the processor unit is a microprocessor of model STM32F103CBT 6.
Preferably, the voltage and current detection circuit is an integrated block of type ATT7022 EU.
Preferably, the communication unit includes a communication module and an antenna.
Further preferably, the communication module is a7670C1 module manufactured by SIMCOM company.
The principle of the utility model is as follows:
when the incoming line potential line is in fault or damaged, the current of the live line and the zero line is changed, information transmitted to the voltage and current detection unit by the first current transformer is influenced, and further the change of the value of the current at the inlet of the cloud server is caused, meanwhile, the position of the fault potential line can be determined by related workers at the first time through the map position, and the maintenance and the repair can be carried out in time;
when the metal shell of the lamp post is electrified, the numerical value of the potential of the lamp post is correspondingly changed, the terminal reports the abnormal numerical value to the server to inform relevant workers of determining the electric leakage lamp post in the first time through the map position, and the electric leakage lamp post is maintained and repaired in time to remove the potential danger.
The utility model has the following beneficial effects:
firstly, the working current of the illumination light source is monitored in real time through the arrangement of the second current transformer, the bright and dark states of the street lamp can be monitored in real time, and further timely treatment is carried out when a fault occurs;
secondly, due to the arrangement of the battery and the power management circuit, when the lamp pole works normally, the external power supply can charge the battery, and on the other hand, when the circuit is in a power-off state, the battery plays a role of the power supply to continue working, so that the lamp pole electrification condition caused by the leakage of other underground cables of the lamp pole is continuously monitored.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a wiring schematic of an embodiment;
FIG. 3 is a diagram of external information transmission according to an embodiment;
in the figure: A. b, C three phase line, N zero line, E ground line, and L live line.
Detailed Description
The utility model is described in detail below with reference to the drawings and examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description of the present invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the present invention.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or eliminating relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Specifically referring to fig. 1, a second lamp pole and fig. 2-3, a lamp pole potential line node leakage monitoring terminal comprises a voltage and current detection unit, wherein the voltage and current detection unit comprises a first current transformer and a lamp pole voltage detection circuit, the first current transformer is arranged at the position of the incoming line of the lamp pole potential line, the live line and the zero line of the incoming line potential line both pass through the first current transformer, the first current transformer is used for detecting the inlet current entering the lamp pole, the ground wire of the lamp pole voltage detection circuit is electrically connected with the metal shell of the lamp pole, the lamp pole voltage detection circuit is used for detecting the working voltage of a lighting source and the lamp pole potential, the lamp pole potential is the voltage values of the metal shell and the zero line of the lamp pole, the detection information of the voltage and current detection unit is output to a processor unit in real time, the processor unit is used for receiving the information, processing and converting the information and then transmitting the information to a cloud server through a communication unit, the map position of the first current transformer is displayed on the cloud server in real time, and the potential and the inlet current of the lamp pole are displayed. The cloud server comprises a cloud server and a self-built server, and continuously transmits information with a mobile phone, a computer, a WeChat or a matched APP.
Through the technical scheme, when the incoming line potential line is in fault or damaged, the current of the live line and the zero line is changed, the information transmitted to the voltage and current detection unit by the first current transformer is influenced, and the change of the value of the current at the inlet of the cloud server is further caused, meanwhile, relevant workers can determine the position of the fault potential line at the first time through the map position and timely maintain and repair the fault potential line; when the metal shell of the lamp post is electrified, the numerical value of the potential of the lamp post is correspondingly changed, and related workers can determine the electric leakage lamp post in the first time through the map position and timely maintain and repair the lamp post to contact with dangerous hidden dangers.
Specifically, the voltage and current detection unit comprises a second current transformer, the second current transformer is connected with the relay, and the second current transformer is used for detecting the working current of the lighting source.
Through the technical scheme, the working current of the lighting light source is monitored in real time through the arrangement of the second current transformer, so that the brightness state of the street lamp can be monitored in real time, and further timely processing is performed when a fault occurs.
Specifically, the system also comprises a battery and a power management circuit.
Through above-mentioned technical scheme, during normal work, external power supply can carry out charging work to the battery, and on the other hand, when the outage state appears in the circuit, the effect of battery performance power, and the battery of this embodiment can continuous operation 50 hours under the outage state.
The model of the power management circuit is CN 3052.
Specifically, the processor unit is electrically connected with the voltage and current detection unit, the communication unit and the power management circuit.
Wherein, the processor unit is a microprocessor of STM32F103CBT6 model.
The voltage and current detection circuit is an integrated block of ATT7022EU type.
Specifically, the communication unit includes a communication module and an antenna.
Specifically, the communication module is a7670C1 module manufactured by SIMCOM company.
In the working flow of the present embodiment,
monitoring leakage current data abnormity on a terminal, reporting and sending the data abnormity to a cloud server, determining the position of a fault node according to the map position of the fault node, turning off an external power supply of the node, and timely notifying related personnel to maintain and repair;
monitoring the numerical value abnormality of the lamp post potential on the terminal, reporting to a cloud server, determining the leaked lamp post according to the map position of the lamp post, turning off an external power supply of the node, and timely informing relevant personnel to maintain and repair so as to remove the hidden danger;
and thirdly, monitoring the abnormality of the data received by the second current transformer on the terminal, reporting the abnormality to the cloud server, and determining a fault lighting source according to the map position of the cloud server, so that the lighting source can be timely and accurately maintained and repaired.
The comparative example is first lamp pole and third lamp pole in fig. 1, the position of the location lamp pole that can not be clear when breaking down, and when the electric leakage condition appears in first lamp pole and third lamp pole, can not carry out effectual early warning, the electric leakage accident appears easily.
The utility model is applied to the electricity safety of the street lamp. Let the people keep away from the injury of electric leakage on the one hand, the street lamp circuit electric leakage, the lamp pole is electrified always the problem that often takes place, because artificial wiring protection is not enough, the lamp pole that arouses on the lamp pole shell is electrified in the damage of circuit contact, the ageing insulating skin of circuit drops, electric leakage that the rainfall water logging arouses, the electric leakage that the underground cable is destroyed and arouses all can discover, accomplish early the processing of discovery, prevent because of the accident that lamp pole electric leakage, circuit electric leakage cause. On the other hand, the fault line is timely and accurately positioned, the line maintenance engineering is greatly reduced, all street lamps of the whole line do not need to be closed, and great convenience is brought to life and maintenance.
The above-mentioned embodiments only show some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A lamp post potential line node electric leakage monitoring terminal is characterized by comprising a voltage and current detection unit, wherein the voltage and current detection unit comprises a first current transformer and a lamp post voltage detection circuit, the first current transformer is arranged at the position of a lamp post potential line incoming line, a live line and a zero line of the incoming line potential line penetrate through the first current transformer, the first current transformer is used for detecting the inlet or node electric leakage current entering a lamp post, the ground wire of the lamp post voltage detection circuit is electrically connected with a metal shell of the lamp post, the lamp post voltage detection circuit is used for detecting the working voltage of an illumination light source and the lamp post potential, the lamp post potential is the voltage values of the metal shell and the zero line of the lamp post, the detection information of the voltage and current detection unit is output to a processor unit in real time, the processor unit is used for receiving information, processing and converting the information and then transmitting the information to a cloud server through a communication unit, and displaying the map position of the first current transformer on the cloud server in real time, and displaying the potential and the inlet current of the lamp post.
2. The lamp post potential line node leakage monitoring terminal of claim 1, wherein the voltage and current detection unit comprises a second current transformer, the second current transformer is connected with the relay, and the second current transformer is used for detecting the working current of the illumination light source.
3. The lamp pole potential line node leakage monitoring terminal of claim 1, further comprising a battery and a power management circuit.
4. The lamp pole potential line node leakage monitoring terminal of claim 3, wherein the model of the power management circuit is CN 3052.
5. The lamp pole potential line node leakage monitoring terminal of claim 3, wherein the processor unit is electrically connected with the voltage and current detection unit, the communication unit and the power management circuit.
6. A lamp pole potential line node leakage monitoring terminal as claimed in any one of claims 1 to 5, wherein the processor unit is a microprocessor of model STM32F103CBT 6.
7. A lamp pole potential line node leakage monitoring terminal as claimed in any one of claims 1-5, wherein the voltage and current detection circuit is an integrated package of ATT7022EU type.
8. The lamp pole potential line node leakage monitoring terminal of claim 1, wherein the communication unit comprises a communication module and an antenna.
9. The electrical leakage monitoring terminal for a lamp pole potential line node as defined in claim 8, wherein the communication module is a7670C1 module manufactured by SIMCOM corporation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121131984.9U CN215728717U (en) | 2021-05-25 | 2021-05-25 | Lamp pole potential line node electric leakage monitor terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121131984.9U CN215728717U (en) | 2021-05-25 | 2021-05-25 | Lamp pole potential line node electric leakage monitor terminal |
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| CN215728717U true CN215728717U (en) | 2022-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116774096A (en) * | 2023-04-19 | 2023-09-19 | 珠海中慧微电子有限公司 | Lamp pole drain voltage detection method and lamp pole drain voltage detection system |
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2021
- 2021-05-25 CN CN202121131984.9U patent/CN215728717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116774096A (en) * | 2023-04-19 | 2023-09-19 | 珠海中慧微电子有限公司 | Lamp pole drain voltage detection method and lamp pole drain voltage detection system |
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