CN109211416A - Temperature prompting device and method at a kind of power distribution network cable connector - Google Patents
Temperature prompting device and method at a kind of power distribution network cable connector Download PDFInfo
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- CN109211416A CN109211416A CN201810866573.0A CN201810866573A CN109211416A CN 109211416 A CN109211416 A CN 109211416A CN 201810866573 A CN201810866573 A CN 201810866573A CN 109211416 A CN109211416 A CN 109211416A
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- temperature
- light
- under test
- color
- temperature sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
Abstract
The present invention provides temperature prompting device at a kind of power distribution network cable connector, including power supply and colorful alarm lamp and temperature sensor；Power supply provides DC voltage；Temperature sensor is connected with colorful alarm lamp, and probe extends multi-color lamp and close to cable under test joint, acquires the temperature of cable under test connector；The microprocessor of colorful alarm lamp is respectively connected with temperature sensor, three-color LED light and buzzer, it receives and the temperature of collected cable under test connector and compares the temperature sensor with preset multiple temperature thresholds in real time, according to comparing result, corresponding gray value is exported to control three-color LED light and generate corresponding color light, and exports corresponding control instruction to control buzzer warning or not alarm.Implement the present invention, can rapidly and accurately react temperature anomaly situation at cable connector, and cleverly solve powerup issue, energy work steady in a long-term.
Description
Technical field
The present invention relates to temperature prompting device and sides at technical field of electric power more particularly to a kind of power distribution network cable connector
Method.
Background technique
Cable is the important component of electric system, is mainly distributed on cable duct, cable tunnel, cable testing bridge, cable
In interlayer, not only artificial inspection is inconvenient, but also because of long-term charging operation, leads to the failures odds such as aging, inflammable
It is larger.According to statistics, China over the years by electrical equipment cause fire incident in, 80% is related by wire and cable line.With city
The continuous propulsion of change process, distribution network cable also deepen continuously, and the usage amount of power cable is significantly increased, therefore the fortune of power cable
Row management, monitoring and maintenance work are further important.
Existing power cable state monitors system, is based on distributed optical fiber temperature sensor technology, and anti-using optical time domain
Penetrate with Hamann scattering technology, obtain the cable surface Temperature Distribution along fiber lengths nearly continuity, realize that temperature anomaly variation is pre-
The functions such as alert, temperature overheating point location and stable state carrying current calculation.But the technology is disadvantageous in that: (1) cannot be timely
Monitoring and the instantaneous arcing fault of effective position or other transient faults, reason are the instantaneity of the transient faults such as flashover usually not
It can cause the significant change of cable surface temperature；(2) it can not achieve real-time carrying current calculation, reason is that leakage event occurs for cable
When barrier, if leakage current very little, cable surface temperature rise variation is also unobvious.
It can be seen that the existing power cable state based on distributed optical fiber temperature sensor technology monitors system, Bu Nengshi
Existing Temperature of Power Cables abnormal timely monitoring and early warning, the power cable connector especially most easily to break down crimp it is bad or
Overload operation all can cause joint temperature to steeply rise, so as to cause electric power accident.However, fault current is through over long distances
Cable conduction, be easy to cause fault-signal decay and deformation, be not easy to capture in transformer substation end, it is therefore necessary to important
Power cable connector position acquires transient fault signal, realizes early monitoring, early warning and positioning.
Summary of the invention
Technical problem to be solved by the present invention lies in provide temperature prompting device and side at a kind of power distribution network cable connector
Method can rapidly and accurately react temperature anomaly situation at cable connector, and cleverly solve powerup issue, can be steady in a long-term
Work.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides temperature prompts at a kind of power distribution network cable connector to fill
It sets, is used for cable under test joint, including power supply, and the colorful alarm lamp and temperature that are connected with the power supply
Sensor；Wherein,
The power supply, for providing DC voltage；
One end of the temperature sensor is connected with the colorful alarm lamp, and the other end is equipped with probe；Wherein, the probe extends
The multi-color lamp and the close cable under test joint out, for acquiring the temperature of the cable under test connector in real time；
The colorful alarm lamp includes microprocessor, three-color LED light and buzzer；Wherein, the microprocessor and the temperature
Sensor, three-color LED light and buzzer are respectively connected with, and for receiving the temperature sensor, collected cable under test is connect in real time
The temperature of head, and by the temperature sensor temperature of collected cable under test connector and preset multiple temperature thresholds in real time
It compares, and further according to comparing result, exports corresponding gray value to control the three-color LED light and generate corresponding face
Coloured light line, and corresponding control instruction is exported to control the buzzer warning or not alarm.
Wherein, when the color light of three-color LED light generation is the monochromatic light of a formation among red, green, blue,
The buzzer is not alarmed；Or
When the color light that the three-color LED light generates is red green, red blue, turquoise, a formation among white light colour mixture light
When, the buzzer warning.
Wherein, the power supply includes thermoelectric generation film, and be arranged in the thermo-electric generation on piece cooling fin and
Generate electricity plate electrode；Wherein, the power generation plate electrode is connected by conducting wire with the colorful alarm lamp and the temperature sensor.
Wherein, microprocessor, three-color LED light and the buzzer installed on the lamp box are integrated on a pcb board.
The embodiment of the invention also provides a kind of temperature prompt methods at power distribution network cable connector, in power distribution network above-mentioned
It realizes, the described method comprises the following steps on temperature prompting device at cable connector:
Step S1, temperature sensor acquires the temperature of cable under test connector in real time；
Step S2, colorful alarm lamp receives the temperature of the temperature sensor collected cable under test connector in real time, and by institute
Stating temperature sensor, the temperature of collected cable under test connector is compared with preset multiple temperature thresholds in real time, and into one
Step is according to comparing result, and exporting corresponding gray value, three-color LED light generates corresponding color light and output phase is answered to control
Control instruction control buzzer warning or do not alarm.
Wherein, when the temperature sensor in real time collected cable under test connector temperature be less than preset first temperature
When threshold value, controlling the color light that the three-color LED light generates is red monochromatic light, and controls the buzzer and do not report
It is alert；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset first temperature threshold
And when being less than preset second temperature threshold value, the monochromatic light that the color light that the three-color LED light generates is green is controlled, and
The buzzer is controlled not alarm；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset second temperature threshold value
And when being less than preset third temperature threshold, the monochromatic light that the color light that the three-color LED light generates is blue is controlled, and
The buzzer is controlled not alarm；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset third temperature threshold
And when being less than preset four temperature threshold, the colour mixture light that the color light that the three-color LED light generates is red green is controlled,
And control the buzzer warning；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset 4th temperature threshold
And when being less than preset five temperature threshold, the colour mixture light that the color light that the three-color LED light generates is reddish blue is controlled,
And control the buzzer warning；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset 5th temperature threshold
And when being less than preset six temperature threshold, controlling the color light that the three-color LED light generates is turquois colour mixture light,
And control the buzzer warning；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset 6th temperature threshold
When, it controls the color light that the three-color LED light generates and is the colour mixture light of white, and control the buzzer warning.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, real-time state monitoring of the present invention and temperature indicator range (seven kinds of colors, corresponding seven temperature models are come with LED light color
Enclose) device, detected using temperature of the temperature sensor to cable connector to be measured, the colorful alarm lamp of observation can be passed through
Color perceives the general temperature of cable under test connector, and is more than setting range in the temperature of cable under test connector, not only generates not
Same light is also alarmed by prompting alarm sound at buzzer hair, so as to rapidly and accurately react at cable connector
Temperature anomaly situation.
2, the heat generated present invention utilizes TEG thermoelectric generation film powers to device, and environmental protection and energy saving cleverly solve
Powerup issue, can not be by other Interference from current, the work that maintains a long-term stability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without any creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the connection schematic diagram of temperature prompting device at power distribution network cable connector provided in an embodiment of the present invention；
Fig. 2 is the logical construction schematic diagram of colorful alarm lamp in Fig. 1；
Fig. 3 is the flow chart of temperature prompt method at power distribution network cable connector provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
It as depicted in figs. 1 and 2, is temperature prompt dress at a kind of power distribution network cable connector provided in the embodiment of the present invention
It sets, is used at cable under test connector (not shown), including power supply 1, and the colorful alarm lamp being connected with power supply 1
3 and temperature sensor 2；Wherein,
Power supply 1, for providing DC voltage；
One end of temperature sensor 2 is connected with colorful alarm lamp 3, and the other end is equipped with probe 21；Wherein, probe 21 extends colorful
Lamp 3 and close cable under test joint, for acquiring the temperature of cable under test connector in real time；
Colorful alarm lamp 3 includes microprocessor 31, three-color LED light 32 and buzzer 33；Wherein, microprocessor 31 and temperature sensing
Device 2, three-color LED light 32 and buzzer 33 are respectively connected with, for receiving the collected cable under test connector in real time of temperature sensor 2
Temperature, and the temperature of collected cable under test connector and preset multiple temperature thresholds carry out in real time by temperature sensor 2
Comparison, and further export corresponding gray value according to comparing result to control three-color LED light 32 and generate corresponding color of light
Line, and corresponding control instruction is exported to control the alarm of buzzer 32 or not alarm.
It should be noted that microprocessor 31, three-color LED light 32 and buzzer 33 are integrated on the same PCB, and should
Pcb board is fixed on lamp box, and the lamp box cover is equipped with lampshade.Three-color LED light 32 forms ash corresponding to different colours light
Angle value is well known to comparison, such as gray value (255,0,0)-red light, gray value (255,255,255)-white light etc., herein not
It repeats again.Above-mentioned multiple temperature thresholds can be configured according to actual needs.
In embodiments of the present invention, the temperature of safety and the temperature of exception are pre-defined inside microprocessor 31, from
And corresponding color of light is formed according to the judgement of different temperatures threshold value, and can know that cable under test connects by observing color of light
General temperature conditions not only passes through color light representations for abnormal temperature, also generates buzzing by buzzer to alarm.
For example, the monochromatic light that three-color LED light 32 generates is shown as safe temperature, and colour mixture light is shown simultaneously as abnormal temperature
Alarm.
In one embodiment, when the list that the color light that three-color LED light 32 generates is a formation among red, green, blue
When coloured light line, buzzer 33 is not alarmed；When the color light that three-color LED light generates is one among red green, red blue, turquoise, white light
When the colour mixture light of a formation, buzzer 33 is alarmed.
In embodiments of the present invention, it is powered using the heat that TEG thermoelectric generation film generates, environmental protection and energy saving are not only ingenious
Solve powerup issue, also not by other Interference from current, the work that maintains a long-term stability.Therefore, power supply 1 includes the temperature difference
Power generation sheet 11, and the cooling fin 12 and power generation plate electrode 13 that are arranged in thermoelectric generation film 11；Wherein, power generation plate electrode 13 is logical
Conducting wire is crossed to be connected with colorful alarm lamp 3 and temperature sensor 2.
The working principle of temperature prompting device at power distribution network cable connector in the embodiment of the present invention are as follows: by device place to
The joint of cable is surveyed, power supply 1 is powered to all modules of device, so that temperature sensor 2 is capable of real-time acquisition
Cable under test connector temperature, and by the temperature of collected cable under test connector be sent into the micro process of colorful alarm lamp 3
In device 31, by comparing with preset temperature threshold in microprocessor 31, different gray values is exported to control three-color LED
Lamp 32 generates corresponding color light, and exports different control instructions to control the alarm of buzzer 32 or not alarm.
When the temperature of cable under test connector is less than the first temperature threshold, three-color LED light generates red light；Cable under test connects
The temperature of head is more than or equal to the first temperature threshold and is less than second temperature threshold value, and three-color LED light generates green light；Cable under test
The temperature of connector is more than or equal to second temperature threshold value and is less than third temperature threshold, and three-color LED light generates green light, at this time
For monochromatic light, illustrate that the temperature of cable under test joint is normally that buzzer 33 is not alarmed.
The temperature of cable under test connector is more than or equal to third temperature threshold and when less than four temperature threshold, three-color LED light
Generate red green light；The temperature of cable under test connector is more than or equal to the 4th temperature threshold and less than the 5th temperature threshold, three color
LED light generates reddish blue light；The temperature of cable under test connector is more than or equal to the 5th temperature threshold and less than the 6th temperature threshold,
Three-color LED light generates turquoise light；The temperature of cable under test connector is more than or equal to the 6th temperature threshold, and three-color LED light generates
White light (RGB colour mixture)；At this time it is colour mixture light, illustrates that the temperature of cable under test joint is abnormal, buzzer
33 alarms.
As shown in figure 3, for temperature prompt method at a kind of power distribution network cable connector in the embodiment of the present invention, providing,
It realizes at the power distribution network cable connector in earlier figures 1 and Fig. 2, the described method comprises the following steps on temperature prompting device:
Step S1, temperature sensor acquires the temperature of cable under test connector in real time；
Step S2, colorful alarm lamp receives the temperature of the temperature sensor collected cable under test connector in real time, and by institute
Stating temperature sensor, the temperature of collected cable under test connector is compared with preset multiple temperature thresholds in real time, and into one
Step is according to comparing result, and exporting corresponding gray value, three-color LED light generates corresponding color light and output phase is answered to control
Control instruction control buzzer warning or do not alarm.
In step s 2, when temperature sensor in real time collected cable under test connector temperature be less than it is preset first temperature
When spending threshold value, the color light that control three-color LED light generates is red monochromatic light, and controls buzzer and do not alarm；
When the temperature of temperature sensor collected cable under test connector in real time is more than or equal to preset first temperature threshold and small
When preset second temperature threshold value, the color light that control three-color LED light generates is the monochromatic light of green, and controls buzzing
Device is not alarmed；
When the temperature of temperature sensor collected cable under test connector in real time is more than or equal to preset second temperature threshold value and small
When preset third temperature threshold, the color light that control three-color LED light generates is the monochromatic light of blue, and controls buzzing
Device is not alarmed；
When the temperature of temperature sensor collected cable under test connector in real time is more than or equal to preset third temperature threshold and small
When preset four temperature threshold, the color light that control three-color LED light generates is the colour mixture light of red green, and controls bee
The device that rings is alarmed；
When the temperature of temperature sensor collected cable under test connector in real time is more than or equal to preset 4th temperature threshold and small
When preset five temperature threshold, the color light that control three-color LED light generates is the colour mixture light of reddish blue, and controls bee
The device that rings is alarmed；
When the temperature of temperature sensor collected cable under test connector in real time is more than or equal to preset 5th temperature threshold and small
When preset six temperature threshold, the color light that control three-color LED light generates is turquois colour mixture light, and controls bee
The device that rings is alarmed；
When temperature sensor in real time collected cable under test connector temperature be more than or equal to preset six temperature threshold when, control
The color light that three-color LED light processed generates is the colour mixture light of white, and controls buzzer warning.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, real-time state monitoring of the present invention and temperature indicator range (seven kinds of colors, corresponding seven temperature models are come with LED light color
Enclose) device, detected using temperature of the temperature sensor to cable connector to be measured, the colorful alarm lamp of observation can be passed through
Color perceives the general temperature of cable under test connector, and is more than setting range in the temperature of cable under test connector, not only generates not
Same light is also alarmed by prompting alarm sound at buzzer hair, so as to rapidly and accurately react at cable connector
Temperature anomaly situation.
2, the heat generated present invention utilizes TEG thermoelectric generation film powers to device, and environmental protection and energy saving cleverly solve
Powerup issue, can not be by other Interference from current, the work that maintains a long-term stability.
Those of ordinary skill in the art will appreciate that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, the program can be stored in a computer readable storage medium,
The storage medium, such as ROM/RAM, disk, CD.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (6)
1. temperature prompting device at a kind of power distribution network cable connector is used for cable under test joint, which is characterized in that including power supply
Power supply, and the colorful alarm lamp and temperature sensor that are connected with the power supply；Wherein,
The power supply, for providing DC voltage；
One end of the temperature sensor is connected with the colorful alarm lamp, and the other end is equipped with probe；Wherein, the probe extends
The multi-color lamp and the close cable under test joint out, for acquiring the temperature of the cable under test connector in real time；
The colorful alarm lamp includes microprocessor, three-color LED light and buzzer；Wherein, the microprocessor and the temperature
Sensor, three-color LED light and buzzer are respectively connected with, and for receiving the temperature sensor, collected cable under test is connect in real time
The temperature of head, and by the temperature sensor temperature of collected cable under test connector and preset multiple temperature thresholds in real time
It compares, and further according to comparing result, exports corresponding gray value to control the three-color LED light and generate corresponding face
Coloured light line, and corresponding control instruction is exported to control the buzzer warning or not alarm.
2. temperature prompting device at power distribution network cable connector as described in claim 1, which is characterized in that when the three-color LED
When the color light that lamp generates is the monochromatic light of a formation among red, green, blue, the buzzer is not alarmed；Or
When the color light that the three-color LED light generates is red green, red blue, turquoise, a formation among white light colour mixture light
When, the buzzer warning.
3. temperature prompting device at power distribution network cable connector as described in claim 1, which is characterized in that the power supply packet
Thermoelectric generation film is included, and the cooling fin and power generation plate electrode of the thermo-electric generation on piece are set；Wherein, the power generation sheet electricity
Pole is connected by conducting wire with the colorful alarm lamp and the temperature sensor.
4. temperature prompting device at power distribution network cable connector as described in claim 1, which is characterized in that the microprocessor,
Three-color LED light and buzzer are integrated on a pcb board.
5. a kind of temperature prompt method at power distribution network cable connector, which is characterized in that it is in any one of such as claim 1-4 institute
It realizes, the described method comprises the following steps on temperature prompting device at the power distribution network cable connector stated:
Step S1, temperature sensor acquires the temperature of cable under test connector in real time；
Step S2, colorful alarm lamp receives the temperature of the temperature sensor collected cable under test connector in real time, and by institute
Stating temperature sensor, the temperature of collected cable under test connector is compared with preset multiple temperature thresholds in real time, and into one
Step is according to comparing result, and exporting corresponding gray value, three-color LED light generates corresponding color light and output phase is answered to control
Control instruction control buzzer warning or do not alarm.
6. temperature prompt method at power distribution network cable connector as claimed in claim 5, which is characterized in that when the temperature sensing
When the temperature of device collected cable under test connector in real time is less than preset first temperature threshold, controls the three-color LED light and produce
Raw color light is red monochromatic light, and controls the buzzer and do not alarm；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset first temperature threshold
And when being less than preset second temperature threshold value, the monochromatic light that the color light that the three-color LED light generates is green is controlled, and
The buzzer is controlled not alarm；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset second temperature threshold value
And when being less than preset third temperature threshold, the monochromatic light that the color light that the three-color LED light generates is blue is controlled, and
The buzzer is controlled not alarm；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset third temperature threshold
And when being less than preset four temperature threshold, the colour mixture light that the color light that the three-color LED light generates is red green is controlled,
And control the buzzer warning；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset 4th temperature threshold
And when being less than preset five temperature threshold, the colour mixture light that the color light that the three-color LED light generates is reddish blue is controlled,
And control the buzzer warning；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset 5th temperature threshold
And when being less than preset six temperature threshold, controlling the color light that the three-color LED light generates is turquois colour mixture light,
And control the buzzer warning；
When the temperature sensor in real time collected cable under test connector temperature be more than or equal to preset 6th temperature threshold
When, it controls the color light that the three-color LED light generates and is the colour mixture light of white, and control the buzzer warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866573.0A CN109211416A (en) | 2018-08-01 | 2018-08-01 | Temperature prompting device and method at a kind of power distribution network cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866573.0A CN109211416A (en) | 2018-08-01 | 2018-08-01 | Temperature prompting device and method at a kind of power distribution network cable connector |
Publications (1)
| Publication Number | Publication Date |
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| CN109211416A true CN109211416A (en) | 2019-01-15 |
Family
ID=64988445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810866573.0A Pending CN109211416A (en) | 2018-08-01 | 2018-08-01 | Temperature prompting device and method at a kind of power distribution network cable connector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018393A (en) * | 2019-04-15 | 2019-07-16 | 西南交通大学 | A kind of detection of XLPE cable connector abnormal heating and assessment method |
| CN110992632A (en) * | 2019-12-11 | 2020-04-10 | 太通建设有限公司 | Centralized control detection system for subway cable type fire detector |
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Application publication date: 20190115 |
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| RJ01 | Rejection of invention patent application after publication |