CN107728003A - State of earth wire real-time monitoring device and control method - Google Patents
State of earth wire real-time monitoring device and control method Download PDFInfo
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- CN107728003A CN107728003A CN201710807673.1A CN201710807673A CN107728003A CN 107728003 A CN107728003 A CN 107728003A CN 201710807673 A CN201710807673 A CN 201710807673A CN 107728003 A CN107728003 A CN 107728003A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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Abstract
The invention discloses a kind of state of earth wire real-time monitoring device and control method, including the first controller, first inner casing, second inner casing, current measurement circuit, Beidou communication module and the first induction coil on the first inner casing, power module and the second induction coil on the second inner casing, several sealing rings, ultrasonic sensor and electric control lock between the first inner casing and the second inner casing；First induction coil and the second induction coil electrically connect with current measurement circuit, and electric control lock, ultrasonic sensor, current measurement circuit, Beidou communication module and power module electrically connect with the first controller.The present invention has the characteristics of facilitating staff to grasp state of earth wire in real time and can save human cost.
Description
Technical field
The present invention relates to ultra-high-tension power transmission line repair apparatus technical field, facilitates staff real-time more particularly, to a kind of
Grasp state of earth wire and the state of earth wire real-time monitoring device and control method of human cost can be saved.
Background technology
At present, when certain stoppage in transit circuit needs to carry out maintenance and construction operation, ground wire need to be mounted, ground wire is described as
The lifeline of power worker.In actual applications, due to reasons such as conductor vibrations, it is likely to result in the empty extension of ground wire, comes off, lead
Cause operating personnel to lose protection, cause accident of human electric shock.And the geographical position that transmission line of electricity is passed through is complicated, according to《State
Family's grid company electric power safety working regulation》Regulation：" interruption that works by day should check every safety such as ground wire before resuming work
The integrality of measure ", but be only difficult that to confirm whether ground wire connects reliable with naked eyes, also greatly wasting manpower and material resources.Therefore,
Design it is a kind of can the monitoring device of monitoring grounding wire state automatically just seem very necessary.
The content of the invention
The present invention is to overcome in the prior art, stoppage in transit circuit is being overhauled and construction operation, need to mount ground connection
During line, lack can in real time monitoring grounding wire mounting state device the problem of, there is provided it is a kind of to facilitate staff to grasp in real time to connect
State of ground wire and the state of earth wire real-time monitoring device and control method that human cost can be saved.
To achieve the above object, the present invention uses following technical scheme：
A kind of state of earth wire real-time monitoring device, including the first controller, the first inner casing, the second inner casing, located at first
Current measurement circuit, Beidou communication module and the first induction coil on inner casing, the power module on the second inner casing and
Two induction coils, several sealing rings, ultrasonic sensor and electric control lock between the first inner casing and the second inner casing；First
Induction coil and the second induction coil electrically connect with current measurement circuit, electric control lock, ultrasonic sensor, current measurement electricity
Road, Beidou communication module and power module electrically connect with the first controller.
Induction coil, power module, Beidou communication module and current measurement circuit four module are included in the present invention.Ground connection
Line passes through from induction coil, when have in ground wire electric current by when, can make to produce induced-current in induction coil, pass through electric current
Electric signal in induction coil is converted into data signal by measuring circuit, is then transferred to Beidou communication module and is sent to long-range clothes
Business device end, hand-held terminal device can receive from remote server and check the status information of ground wire.The present invention has side
Just the characteristics of staff grasps state of earth wire and can save human cost in real time.
Preferably, present invention additionally comprises remote server and hand-held terminal device, hand-held terminal device includes second
Controller, radio communication circuit and warning circuit, radio communication circuit and warning circuit electrically connect with second controller, remotely
Server end and Beidou communication module carry out wireless connection, remote server and hand-held terminal device by Big Dipper communications satellite
Wireless connection.Remote server and hand-held terminal device can facilitate staff to realize remote monitoring.
Preferably, present invention additionally comprises the first shell, second housing, temperature sensor, radiator, on-off circuit and
LED, on-off circuit, temperature sensor and radiator electrically connect with the first controller, and on-off circuit electrically connects with LED.
Preferably, temperature sensor, radiator, on-off circuit, LED, electric control lock, ultrasonic sensor, the first control
Device processed, the first inner casing, the second inner casing, current measurement circuit, Beidou communication module, the first induction coil, power module and second
Induction coil is respectively positioned between the first shell and second housing, and the first shell and second housing are bolted to connection.First
Shell and second housing play a part of protection to internal each parts
A kind of control method of state of earth wire real-time monitoring device, comprises the following steps：
The nondestructive inspection detection control of copper flexible cord in (5-1) ground wire
(5-1-1) passes through from the induction coil of device the annealed copper wire of ground wire as staff, completes mounting, simultaneously
When induced-current is produced in induction coil, under the control of the first controller, ultrasonic sensor is started working, supersonic sensing
Device sends ultrasonic wave to the annealed copper wire of ground wire；
(5-1-2) when ultrasonic sensor receives the ultrasonic wave reflected, the first controller controlling switch circuit
Conducting, LED light, and the annealed copper wire material internal structure for the ground wire for illustrating to be used is defective, it is necessary to the ground connection more renewed
Line, when ultrasonic sensor is not received by the ultrasonic wave reflected, the cut-off of the first controller controlling switch circuit, LED
Do not light, illustrate that the annealed copper wire material internal structure of ground wire that is used is normal, can be continuing with, while in the first control
Under the control of device, electric control lock closure, device is set to be firmly installed on ground wire；
(5-2) faradic measurement control
(5-2-1) completes mounting when ground wire, and the induction coil of state of earth wire real-time monitoring device produces induced-current
When, the first controller control electric current measuring circuit is started working, and now current measurement circuit is when former and later two length are L
Between detect 1 data every time T1 in section；Wherein, former and later two periods are respectively period A and period B, and L=n ×
T1, then the first controller obtain each n detected value of the current measurement circuit in period A and period B；
Each n detection of (5-2-2) first controller by the current measurement circuit of acquisition in period A and period B
Value, during connection normal with the ground wire being provided with the first controller by the minimum threshold of electric current compared with, and pass through north
The communication module that struggles against and remote server, each n detected value of the current measurement circuit in period A and period B is wireless
It is sent to hand-held terminal device；
(5-2-3) calculates the similarity of the detected value that current measurement circuit obtains respectively in period A and period B；
(5-2-4) first controller judges the similarity size for the detected value that current measurement circuit obtains, when similarity is big
When equal to 0.9, then each n detected value of the current measurement circuit in period A and period B is preserved, in case subsequent calls；
When similarity is less than 0.9, then the first controller control electric current measuring circuit is repeated in step (5-2-1), step (5-2-2)
With step (5-2-3), until obtain detected value similarity size, more than or equal to 0.9.
Preferably, step (5-2-3) also comprises the following steps：
Setting time section A each detected value is xi, period B each detected value is yi, i=1,2 ..., n；
Utilize formulaCalculate the detected value that two period current measurement circuits obtain
Similarity, wherein,For the average value of all detected values of current measurement circuit in period A,It is that electric current is surveyed in period B
Measure the average value of all detected values of circuit.
Preferably, step (5-2-2) also comprises the following steps：
When each n detected value of the current measurement circuit in period A or period B of acquisition, the respectively less than first control
During the normal mounting of the ground wire that is provided with device by the minimum threshold of electric current when, the first controller by Beidou communication module with
And remote server sends warning message to hand-held terminal device, hand-held terminal device receives letter by radio communication circuit
After breath, the second controller control warning circuit in hand-held terminal device sends the sound；
When each n detected value of the current measurement circuit in period A and period B of acquisition, it is all higher than being equal to first
During the normal mounting of the ground wire that is provided with controller by the minimum threshold of electric current when, the first controller does not send alarm signal
Breath.
Preferably, the control method of state of earth wire real-time monitoring device, also comprises the following steps：
The control of (8-1) device radiation
Temperature sensor detects the temperature of enclosure interior environment in real time, and gives real-time data transmission to the first controller, the
Interior environment temperature maximum is provided with one controller, when temperature sensor is consecutively detected device internal environment in T time
When temperature is more than interior environment temperature maximum, the first controller control radiator is started working；
When temperature sensor is consecutively detected device interior environment temperature within the 3T times normal work can be carried out less than device
During the interior environment temperature maximum of work, the first controller control radiator is stopped.
Therefore, the present invention has the advantages that：(1) Beidou communication mode is used, is solved positioned at high mountain and nobody
The problem that the overhead line structures mobile data in area can not be transmitted, ensure the reliable reception of ground wire current monitoring data；(2) work is facilitated
Make personnel and grasp state of earth wire in real time；(3) human cost is saved.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is a kind of theory diagram of the present invention；
Fig. 3 is a kind of flow chart of the present invention.
In figure：First inner casing 1, the second inner casing 2, current measurement circuit 3, Beidou communication module 4, the first induction coil 5, electricity
Source module 6, the second induction coil 7, sealing ring 8, the first shell 9, second housing 10, remote server 11, handheld terminal are set
Standby 12, warning circuit 13, the first controller 14, ultrasonic sensor 15, electric control lock 16, temperature sensor 17, radiator 18, open
Powered-down road 19, LED 20, second controller 21, radio communication circuit 22.
Embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings：
A kind of state of earth wire real-time monitoring device as shown in Figure 1, including the first controller 14, the first inner casing 1, second
Inner casing 2, current measurement circuit 3, the induction coil 5 of Beidou communication module 4 and first on the first inner casing, located at the second inner casing
On the induction coil 7 of power module 6 and second, four sealing rings 8 between the first inner casing and the second inner casing, ultrasonic wave pass
Sensor 15 and electric control lock 16；First induction coil and the second induction coil electrically connect with current measurement circuit, electric control lock, ultrasound
Wave sensor, current measurement circuit, Beidou communication module and power module electrically connect with the first controller.Present invention additionally comprises
First shell 9 and second housing 10, electric control lock, ultrasonic sensor, the first controller, the first inner casing, the second inner casing, electric current are surveyed
Amount circuit, Beidou communication module, the first induction coil, power module and the second induction coil are respectively positioned on outside the first shell and second
Between shell, the first shell and second housing are bolted to connection.First shell both ends and second housing both ends are equipped with logical
Hole, enable ground wire through the first induction coil and the second induction coil in device.First induction coil and the second induction coil
Combine and form a complete induction coil.
As shown in Fig. 2 state of earth wire real-time monitoring device also includes temperature sensor 17, radiator 18, on-off circuit
19 and LED 20, on-off circuit, temperature sensor and radiator electrically connected with the first controller, on-off circuit and LED electricity
Connection.Present invention additionally comprises remote server 11 and hand-held terminal device 12, hand-held terminal device include second controller 21,
Radio communication circuit 22 and warning circuit 13, radio communication circuit and warning circuit electrically connect with second controller, long-range clothes
Device end and the Beidou communication module of being engaged in by Big Dipper communications satellite carry out wireless connection, remote server and hand-held terminal device without
Line connects.Remote server and hand-held terminal device can facilitate staff to realize remote monitoring.
Temperature sensor, radiator, on-off circuit and LED are equally respectively positioned between the first shell and second housing.
As shown in figure 3, a kind of control method of state of earth wire real-time monitoring device, comprises the following steps：
Step 100, the nondestructive inspection detection of copper flexible cord controls in ground wire
Step 110, when staff passes through from the induction coil of device the annealed copper wire of ground wire, mounting is completed, together
When induction coil in produce induced-current when, under the control of the first controller, ultrasonic sensor start working, ultrasonic wave pass
Sensor sends ultrasonic wave to the annealed copper wire of ground wire；
Step 120, when ultrasonic sensor receives the ultrasonic wave reflected, the first controller controlling switch circuit
Conducting, LED light, and the annealed copper wire material internal structure for the ground wire for illustrating to be used is defective, it is necessary to the ground connection more renewed
Line, when ultrasonic sensor is not received by the ultrasonic wave reflected, the cut-off of the first controller controlling switch circuit, LED
Do not light, illustrate that the annealed copper wire material internal structure of ground wire that is used is normal, can be continuing with, while in the first control
Under the control of device, electric control lock closure, device is set to be firmly installed on ground wire；
In uniform material, the presence of defect will cause the discontinuous of material, this discontinuously often to cause acoustic resistance again
Anti- is inconsistent, and from reflection theorem, ultrasonic wave will not reflect at two kinds on the interface of the medium of acoustic impedance,
The size of the energy reflected is relevant with the difference of interface both sides medium acoustic impedance and orientation, the size of interface, uses
Ultrasonic sensor carries out nondestructive inspection detection, is to utilize the characteristic.
When non-inductive electric current in induction coil, the first controller control electric control lock is opened.
Step 200, faradic measurement control
Step 210, when ground wire completes mounting, the induction coil of state of earth wire real-time monitoring device produces induced-current
When, the first controller control electric current measuring circuit is started working, and now current measurement circuit is 2 minutes in former and later two length
Period in every 1 second detect 1 data；Wherein, former and later two periods are respectively period A and period B, then
First controller obtains each 120 detected value of the current measurement circuit in period A and period B；
Step 220, each 120 inspection of first controller by the current measurement circuit of acquisition in period A and period B
Measured value, during connection normal with the ground wire being provided with the first controller by the minimum threshold I of electric current compared with, and pass through
Beidou communication module and remote server, by each 120 detected value of the current measurement circuit in period A and period B
It is wirelessly sent to hand-held terminal device；
When each 120 detected value of the current measurement circuit in period A or period B of acquisition, the respectively less than first control
During the normal mounting of the ground wire that is provided with device processed by the minimum threshold I of electric current when, the first controller passes through Beidou communication mould
Block and remote server send warning message to hand-held terminal device, and hand-held terminal device is received by radio communication circuit
To after information, the second controller control warning circuit in hand-held terminal device sends the sound；
When each 120 detected value of the current measurement circuit in period A and period B of acquisition, it is all higher than being equal to the
During the normal mounting of the ground wire that is provided with one controller by the minimum threshold I of electric current when, the first controller does not send alarm
Information；
Step 230, the similarity of the detected value that current measurement circuit obtains respectively in period A and period B is calculated；
Utilize formulaCalculate current measurement circuit difference in period A and period B
The similarity of the detected value of acquisition, wherein,For the average value of all detected values of current measurement circuit in period A,It is the time
The average value of all detected values of current measurement circuit in section B；
Step 240, the first controller judges the similarity size for the detected value that current measurement circuit obtains, when similarity is big
When equal to 0.9, then each 120 detected value of the current measurement circuit in period A and period B is preserved, in case follow-up adjust
With；When similarity is less than 0.9, then the first controller control electric current measuring circuit is repeated in step 210, step 220 and step
Rapid 230, until the similarity size of the detected value obtained, more than or equal to 0.9.
Step 300, the control of device radiation
Temperature sensor detects the temperature of enclosure interior environment in real time, and gives real-time data transmission to the first controller, the
Interior environment temperature maximum is provided with one controller, when temperature sensor is consecutively detected inside device in 1 minutes
When environment temperature is more than interior environment temperature maximum, the first controller control radiator is started working；
It can be carried out normally less than device when temperature sensor is consecutively detected device interior environment temperature in 3 minutes
During the interior environment temperature maximum of work, the first controller control radiator is stopped.
It should be understood that the present embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that
After having read the content of the invention lectured, those skilled in the art can make various changes or modifications to the present invention, these etc.
Valency form equally falls within the application appended claims limited range.
Claims (8)
1. a kind of state of earth wire real-time monitoring device, it is characterized in that, including the first controller (14), the first inner casing (1), second
Inner casing (2), current measurement circuit (3), Beidou communication module (4) and the first induction coil (5) on the first inner casing, is located at
Power module (6) and the second induction coil (7) on second inner casing, several between the first inner casing and the second inner casing are close
Seal (8), ultrasonic sensor (15) and electric control lock (16)；First induction coil and the second induction coil are electric with current measurement
Road electrically connects, and electric control lock, ultrasonic sensor, current measurement circuit, Beidou communication module and power module control with first
Device electrically connects.
2. state of earth wire real-time monitoring device according to claim 1, it is characterized in that, in addition to remote server
(11) and hand-held terminal device (12), hand-held terminal device include second controller (21), radio communication circuit (22) and alarm
Circuit (13), radio communication circuit and warning circuit electrically connect with second controller, remote server and Beidou communication mould
Block carries out wireless connection, remote server and hand-held terminal device wireless connection by Big Dipper communications satellite.
3. state of earth wire real-time monitoring device according to claim 1, it is characterized in that, in addition to the first shell (9),
Two shells (10), temperature sensor (17), radiator (18), on-off circuit (19) and LED (20), on-off circuit, temperature pass
Sensor and radiator electrically connect with the first controller, and on-off circuit electrically connects with LED.
4. state of earth wire real-time monitoring device according to claim 3, it is characterized in that, temperature sensor, radiator, open
Powered-down road, LED, electric control lock, ultrasonic sensor, the first controller, the first inner casing, the second inner casing, current measurement circuit, north
Bucket communication module, the first induction coil, power module and the second induction coil are respectively positioned between the first shell and second housing, the
One shell and second housing are bolted to connection.
5. a kind of control method of the state of earth wire real-time monitoring device based on described in claim 3, it is characterized in that, including such as
Lower step：
The nondestructive inspection detection control of copper flexible cord in (5-1) ground wire
(5-1-1) passes through from the induction coil of the present apparatus annealed copper wire of ground wire as staff, completes mounting, feels simultaneously
When answering generation induced-current in coil, under the control of the first controller, ultrasonic sensor is started working, ultrasonic sensor
Ultrasonic wave is sent to the annealed copper wire of ground wire；
(5-1-2) when ultrasonic sensor receives the ultrasonic wave reflected, the first controller controlling switch circuit turn-on,
LED lights, and the annealed copper wire material internal structure for the ground wire for illustrating to be used is defective, it is necessary to the ground wire more renewed, when
When ultrasonic sensor is not received by the ultrasonic wave reflected, the first controller controlling switch circuit cut-off, LED is not sent out
Light, illustrate that the annealed copper wire material internal structure of ground wire that is used is normal, can be continuing with, while in the first controller
Under control, electric control lock closure, the present apparatus is set to be firmly installed on ground wire；
(5-2) faradic measurement control
(5-2-1) completes mounting when ground wire, when the induction coil of state of earth wire real-time monitoring device produces induced-current, the
One controller control electric current measuring circuit is started working, and now current measurement circuit is L period in former and later two length
It is interior to detect 1 data every time T1；Wherein, former and later two periods are respectively period A and period B, L=n × T1, then
First controller obtains each n detected value of the current measurement circuit in period A and period B；
Each n detected value of (5-2-2) first controller by the current measurement circuit of acquisition in period A and period B, with
During the normal connection of the ground wire that is provided with the first controller be compared by the minimum threshold of electric current, and pass through Beidou communication
Module and remote server, each n detected value of the current measurement circuit in period A and period B is wirelessly sent to
Hand-held terminal device；
(5-2-3) calculates the similarity of the detected value that current measurement circuit obtains respectively in period A and period B；
(5-2-4) first controller judge current measurement circuit obtain detected value similarity size, when similarity be more than etc.
When 0.9, then each n detected value of the current measurement circuit in period A and period B is preserved, in case subsequent calls；Work as phase
When being less than 0.9 like degree, then the first controller control electric current measuring circuit is repeated in step (5-2-1), step (5-2-2) and step
Suddenly (5-2-3), until the similarity size of the detected value obtained, more than or equal to 0.9.
6. the control method of state of earth wire real-time monitoring device according to claim 5, it is characterized in that, step (5-2-
3) also comprise the following steps：
Setting time section A each detected value is xi, period B each detected value is yi, i=1,2 ..., n；
Utilize formulaCalculate the phase for the detected value that two period current measurement circuits obtain
Like degree, wherein,For the average value of all detected values of current measurement circuit in period A,It is current measurement electricity in period B
The average value of all detected values in road.
7. the control method of state of earth wire real-time monitoring device according to claim 5, it is characterized in that, step (5-2-
2) also comprise the following steps：
When each n detected value of the current measurement circuit in period A or period B of acquisition, respectively less than in the first controller
When institute is by the minimum threshold of electric current during the normal mounting of the ground wire that is provided with, the first controller is by Beidou communication module and far
Journey server end sends warning message to hand-held terminal device, and hand-held terminal device receives information by radio communication circuit
Afterwards, the second controller control warning circuit in hand-held terminal device sends the sound；
When each n detected value of the current measurement circuit in period A and period B of acquisition, it is all higher than being equal to the first control
During the normal mounting of the ground wire that is provided with device by the minimum threshold of electric current when, the first controller does not send warning message.
8. the control method of state of earth wire real-time monitoring device according to claim 5, it is characterized in that, in addition to it is as follows
Step：
The control of (8-1) device radiation
Temperature sensor detects the temperature of enclosure interior environment in real time, and gives real-time data transmission to the first controller, the first control
Interior environment temperature maximum is provided with device processed, when temperature sensor is consecutively detected device interior environment temperature in T time
During more than interior environment temperature maximum, the first controller control radiator is started working；
When temperature sensor is consecutively detected interior environment temperature within the 3T times is less than interior environment temperature maximum, first
Controller control radiator is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807673.1A CN107728003B (en) | 2017-09-08 | 2017-09-08 | Ground wire state real-time monitoring device and control method |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201710807673.1A CN107728003B (en) | 2017-09-08 | 2017-09-08 | Ground wire state real-time monitoring device and control method |
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| CN107728003B CN107728003B (en) | 2020-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116167A (en) * | 2018-07-27 | 2019-01-01 | 中国电力科学研究院有限公司 | A kind of cable grounding line monitoring device and method based on coupling coil |
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| CN104374422A (en) * | 2014-09-19 | 2015-02-25 | 国家电网公司 | Power transmission line pole tower monitoring system based on Beidou satellite system |
| CN104407199A (en) * | 2014-12-01 | 2015-03-11 | 国网上海市电力公司 | Automatic warning and positioning system of current exceeding of ground wire |
| CN204731365U (en) * | 2015-07-02 | 2015-10-28 | 国家电网公司 | A kind of real-time monitoring device of electrical network |
| CN205405638U (en) * | 2016-03-04 | 2016-07-27 | 江苏星通北斗航天科技有限公司 | Vehicle big dipper safety monitoring system |
| CN107024635A (en) * | 2017-06-07 | 2017-08-08 | 深圳市中明科技股份有限公司 | Grounding alarm system and grounding alarm vehicle |
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| CN109116167A (en) * | 2018-07-27 | 2019-01-01 | 中国电力科学研究院有限公司 | A kind of cable grounding line monitoring device and method based on coupling coil |
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