A kind of device for detecting low-voltage overhead line road abort situation
Technical field
It the utility model is related to detection device field, more particularly to a kind of low-voltage overhead line road abort situation of detecting
Device.
Background technology
Low-voltage overhead line road refers mainly to aerial line, is erected on ground, is to be fixed on transmission pressure with insulator
Stand on the shaft tower on ground to transmit the transmission line of electricity of electric energy, set up and repair more convenient, cost is relatively low, but whole defeated
Electric corridor land occupation area is more, overhead transmission line length length, often across village, the woods etc., it is easy to by meteorology
Influence with environment (such as strong wind, thunderbolt, filth, ice and snow) and cause the electric faults such as broken string, ground short circuit;Overhead transmission line
Critical piece has:Wire and lightning conducter (aerial earth wire), shaft tower, insulator, gold utensil, pole and tower foundation, bracing wire and earthing or grounding means
Deng;Because overhead transmission line is very long, it is not easy to search trouble point, therefore, the prior art is defective, it is necessary to improve.
Utility model content
The utility model provides a kind of device for detecting low-voltage overhead line road abort situation, occurs in low-voltage overhead line Louis
The disconnected installation of electrical fault location punishment is multigroup, and voltage acquisition module and current acquisition module are by voltage sensor and current sensor
Line voltage value and electric current value information is collected respectively wirelessly to pass by the data transmission unit DTU by the single-chip microcomputer
The abort situation that main station monitoring machine detects overhead transmission line with this is defeated by, the output end of voltage transformer is detected in monitoring module
When not having voltage, monitoring module control illuminating lamp is opened so as to maintenance personal's fast searching to trouble point and fixed a breakdown, to solve
Above mentioned problem certainly.
To solve the above problems, the technical scheme that the utility model is provided is as follows:
A kind of device for detecting low-voltage overhead line road abort situation, including the voltage sensor being located on overhead transmission line, electricity
Control cabinet in flow sensor, overhead line poles, the control cabinet are provided with cabinet and cabinet door, the wind that the cabinet top plate top is provided with
Light compensating generator and illuminating lamp;The cabinet back plate inwall set current acquisition module, voltage acquisition module, monitoring module,
Single-chip microcomputer, data transmission unit DTU, communications module;The side plate of the cabinet is provided with shutter and temperature sensor;It is described
Temperature control unit is provided with monitoring module;The cabinet and the Hinge for cupboard door.
Wireless transceiver, the current sensor and institute are all provided with the current acquisition module and the voltage acquisition module
State voltage sensor and the current value of circuit and magnitude of voltage are radioed into current acquisition module and voltage acquisition module respectively;Institute
The input for stating monitoring module electrically connects with the voltage acquisition module output end, for detecting whether circuit has electricity;The electricity
Pressure acquisition module output end and current acquisition module output end electrically connect with the single-chip microcomputer input, the single-chip microcomputer output
End is connected by RS485 interfaces and signal wire with the data transmission unit DTU inputs, the data transmission unit output end
Be connected by communications module with main station monitoring machine, main station monitoring machine can with the phase voltage of the multigroup overhead transmission line of real-time display and
Phase current, the abort situation of overhead transmission line is detected with this;The data transmission unit DTU is provided with CPU control modules, channel radio
Believe module and power module.
Preferable technical scheme, the voltage sensor are AC voltage sensor.
Preferable technical scheme, the temperature sensor output end electrically connect with the monitoring module input, the prison
Control module output end is electrically connected by inverter output end with the shutter, and shutter rotating open-close can be controlled to divulge information.
Preferable technical scheme, the wind-light complementing power generation device are electrically connected with the illuminating lamp and the power module respectively
Connect, the wind-solar hybrid device provides power supply for the illuminating lamp and the power module, makes the data transmission unit DTU just
Often operation;Further, the solar module output end and the wind-driven generator output end with the wind light mutual complementing control
Device input electrical connection processed, the wind/light complementation controller output end are electrically connected with the batteries and the inverter respectively
Connect.
Preferable technical scheme, the top plate top of the cabinet are provided with rain-proof cover by support.
Relative to the beneficial effect of prior art, using such scheme, the utility model is simple in construction, by low-voltage overhead line
The phase current and phase voltage data segment transmission on road can monitor the status information of circuit in real time to main station monitoring machine, with inspection
Location is measured, maintenance personal is found line fault point within the shortest time and fixes a breakdown.
Brief description of the drawings
, below will be to embodiment or prior art for clearer explanation embodiment or technical scheme of the prior art
The accompanying drawing used needed for description is briefly described, it is clear that, drawings in the following description are only the one of utility model
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is overall structure diagram of the present utility model;
Fig. 2 is wind-light complementing power generation device block diagram of the present utility model;
Fig. 3 is that automatic-control illumination lamp of the present utility model is opened and closed block diagram;
Fig. 4 is opened and closed block diagram for the shutter of the present utility model that automatically controls;
Fig. 5 is detection means wireless transmission information system block diagram of the present utility model;
Fig. 6 is that detection means optical fiber of the present utility model transmits information system block diagram.
Shown in above legend:1st, voltage sensor 2, current sensor 3, line bar 4, solar module 5, photograph
Bright lamp 6, circuit 7, rain-proof cover 8, current acquisition module 9, wind/light complementation controller 10, cabinet 11, voltage are adopted
Collect module 12, batteries 13, inverter 14, monitoring module 15, shutter 16, communications module 17,
Data transmission unit DTU 18, single-chip microcomputer 19, temperature sensor 20, wind-driven generator 21, cabinet door.
Embodiment
For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed
Thin explanation.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can be with many different
Form is realized, however it is not limited to embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to this
The understanding of the disclosure of utility model more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term used in this specification " fixation ", " being integrally formed ",
For illustrative purposes only, in figure, the similar unit of structure is to identical label for "left", "right" and similar statement
Sign.
Unless otherwise defined, technology all used in this specification and scientific terminology are with belonging to skill of the present utility model
The implication that the technical staff in art field is generally understood that is identical.In art used in the description of the present utility model in this specification
Language is intended merely to describe the purpose of specific embodiment, is not intended to limit the utility model.
As shown in figure 1, technical scheme embodiment provided by the utility model is:
A kind of device for detecting low-voltage overhead line road abort situation, including the voltage sensor 1 being located on overhead transmission line 6,
Control cabinet on current sensor 2, overhead line poles 3, control cabinet are provided with cabinet 10 and cabinet door 21, and the top plate top of cabinet 10 is set
Some wind-light complementing power generation device and illuminating lamp 5;The back plate inwall of cabinet 10 sets current acquisition module 8, voltage acquisition module
11st, monitoring module 14, single-chip microcomputer 18, data transmission unit DTU17, communications module 16;The side plate of the cabinet 10 is provided with
Shutter 15 and temperature sensor 19;Temperature control unit is provided with the monitoring module 14;The cabinet 10 is cut with scissors with cabinet door 21
Chain.
Embodiment 1, as shown in figure 1, current sensor 2 and voltage sensor 1 are arranged on low-voltage circuit 6, after cabinet 10
Outer wall is welded on the side of electric pole 3 by connector, is equipped with the current acquisition module 8 of wireless transceiver and the voltage acquisition
Module 11 is fixed on the top of the back plate of cabinet 10 by guide rail, and current sensor 2 and voltage sensor 1 are respectively by the electricity of circuit 6
Flow valuve and magnitude of voltage radio to current acquisition module 8 and voltage acquisition module 11;The top plate top of cabinet 10 passes through support
Trapezoidal rain-proof cover 7 is welded with, the installation He of solar module 4 is welded and fixed by support frame in the upper left-hand of rain-proof cover 7
Wind-driven generator 20, illuminating lamp 5 is fixedly mounted in the upper right of rain-proof cover 7, it is wind/light complementation controller 9, batteries 12, inverse
Become the bottom that device 13 is fixed on current acquisition module 8 and voltage acquisition module 11 by guide rail, pass through in the bottom of batteries 12
Monitoring module 14 is fixedly mounted in guide rail, is fixedly mounted in the bottom of monitoring module 14 by guide rail and is from left to right followed successively by single-chip microcomputer
18th, data transmission unit DTU17, communications module 16;Blinds is fixedly mounted in the left plate and right plate screw of cabinet 10
Window 15, temperature sensor 19 is fixedly mounted on the left plate top of cabinet 10.
Preferably, as shown in figure 5, the output end of the voltage acquisition module 11 and the output end of current acquisition module 8 and institute
The electrical connection of the input of single-chip microcomputer 18 is stated, the output end of single-chip microcomputer 18 passes through RS485 interfaces and signal wire and the data transfer
Cells D TU17 inputs are connected, and the output end of data transmission unit 17 is connected by communications module 16 and main station monitoring machine
Connect, main station monitoring machine can detect overhead transmission line 6 with the phase voltage and phase current of the multigroup overhead transmission line 6 of real-time display with this
Abort situation;The data transmission unit DTU17 is provided with CPU control modules, wireless communication module and power module.Embodiment 2,
Information is transmitted in a manner of wireless communication transmissions;Data transmission unit 17 is by the current value received and magnitude of voltage information analysis
Reason, converts a signal into wireless signal by the GPRS radio-cells inside communications module 16, is sent to main station monitoring machine,
So main station monitoring machine can go out the phase voltage and phase current of multigroup overhead transmission line 6 with real-time display.
As shown in fig. 6, embodiment 3, transmits information in a manner of fiber-optic communications traffic;Data transmission unit DTU17 will be received
The current value arrived and magnitude of voltage information analysis processing, signal is turned by the optical network unit ONU inside communications module 16
Optical signal is changed to, is sent to main station monitoring machine, is connected by optical fiber with main station monitoring machine, such main station monitoring machine can also be real-time
Show the phase voltage and phase current of multigroup overhead transmission line.
Preferably, as shown in Fig. 2 the wind-light complementing power generation device be provided with solar module 4, wind-driven generator 20,
Wind/light complementation controller 9, batteries 12, inverter 13;The output end of solar module 4 and the wind-driven generator 20
Output end electrically connects with the input of wind/light complementation controller 9, the output end of wind/light complementation controller 9 respectively with it is described
Batteries 12 and the inverter 13 electrically connect.
Preferably, as shown in figure 3, the input of the monitoring module 14 is electrically connected with the output end of voltage acquisition module 11
Connect, whether have an electricity for detecting circuit 6, the output end of monitoring module 14 by control the output end of the inverter 13 with it is described
Illuminating lamp electrically connects;Further, when monitoring module 14 detects that the output end of voltage acquisition module 11 does not have voltage, mould is monitored
Block 14, which can control the output end of inverter 13 to export alternating current, opens illuminating lamp 5, when monitoring module 14 detects that voltage is adopted
When collecting the output end recovery voltage of module 11, monitoring module 14 can control the output end of inverter 13 to close the electricity of illuminating lamp 5
Source;The wind-light complementing power generation device with and the power module electrically connect, there is provided power supply, make the data transmission unit
DT17U normal operations;Further, inverter 13 provides power supply to power module always by output interface output interface.
Preferably, the voltage sensor 1 is AC voltage sensor.
Preferably, as shown in figure 4, the output end of the temperature sensor 19 electrically connects with the input of monitoring module 14,
The output end of monitoring module 14 is electrically connected by the output end of inverter 13 with the shutter 15, and shutter 15 can be controlled to revolve
Turn on and close ventilation;Further, the inner side of shutter 15 can set anti-dust filter mesh, to prevent dust from entering in cabinet;Enter one
Walking, the temperature value that temperature sensor 19 can be transmitted through coming by the temperature control unit inside monitoring module 14 is analyzed and processed,
When the temperature value of detection exceedes setting value, monitoring module 14 can control shutter 15 to open ventilation, when temperature sensor 19 is examined
When measuring the temperature in cabinet 10 reduces reply setting value, monitoring module 14 can control shutter 15 to close.
Operation principle:Detect the general abort situation of circuit:Voltage sensor and current sensor are gathered on circuit respectively
The phase voltage value and phase current values of magnitude of voltage and electric current value information, voltage acquisition module and current acquisition module wireless receiving circuit
Data transmission unit DTU, subsequent data transmission unit are transferred to by RS485 interfaces and signal wire by single-chip microcomputer after information
DTU is wirelessly transferred by the conversion of communications inside modules or is transferred to main station monitoring machine by optical fiber, when event occurs in circuit
During barrier, abnormal data can be presented on main station monitoring machine, and the abort situation of overhead transmission line is detected with this.
Trouble point easy to find:When monitoring module detects that the output end of voltage transformer does not have voltage, monitoring module
Control inverter exports powers to illuminating lamp, and illuminating lamp opens prompting to facilitate maintenance personal's fast searching to trouble point and exclude
Failure;When monitoring module detects that the output end of voltage transformer recovers voltage, monitoring module control inverter output is closed
Illuminating lamp.
Relative to the beneficial effect of prior art, using such scheme, the utility model is simple in construction, by low-voltage overhead line
The phase current and phase voltage data segment transmission on road can monitor the status information of circuit in real time to main station monitoring machine, with inspection
Location is measured, maintenance personal is reached line fault point within the shortest time and fixes a breakdown, it is necessary to illustrate, on
State each technical characteristic to continue to be mutually combined, form the various embodiments not being enumerated above, be accordingly to be regarded as the utility model specification
The scope of record;Also, for those of ordinary skills, it can according to the above description be improved or be converted, and institute
There is the protection domain that these modifications and variations should all belong to the appended claims for the utility model.