CN110361616A - Arrester based on Internet of Things monitors platform on-line - Google Patents
Arrester based on Internet of Things monitors platform on-line Download PDFInfo
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- CN110361616A CN110361616A CN201910673430.2A CN201910673430A CN110361616A CN 110361616 A CN110361616 A CN 110361616A CN 201910673430 A CN201910673430 A CN 201910673430A CN 110361616 A CN110361616 A CN 110361616A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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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
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention provides the arresters based on Internet of Things to monitor platform on-line, comprising: arrester data acquisition unit is set to the installed position in electric system between various electric appliances and arrester；Cloud platform is developed, the signal that several retrieval data acquisition units are collected into is sent to the exploitation cloud platform；Teledata display unit, the exploitation cloud platform parses signal, and the state instantly of several arresters is shown in teledata display unit, different maintenance and repair instructions is defined for the working condition of different arresters simultaneously, provides reference frame for recent and at a specified future date maintenance, maintenance and frequency of maintenance, repair rate.
Description
Technical field
The present invention relates to arresters to monitor field, more particularly to the arrester based on Internet of Things monitors platform on-line.
Background technique
Arrester is for protecting in electric system various electrical equipments from lightning surge, switching overvoltage, work
One electric appliance of the impact of frequency transient overvoltage and damage.The type of arrester mainly has portable protective gaps, valve-type arrester and oxidation
Zinc MOA arrester.By the effect of parallel spark gap or nonlinear resistance MOA, invasion flow waves are carried out cutting width, reduce quilt
Protect Overvoltage Amplitude suffered by equipment.Arrester both can be used to protect atmospheric over-voltage, can also be used to fence operation overvoltage.
In recent years, metal oxide (MOA) gapless arrestyer has superior protection feature, and discharge capacity is big, internal
The advantages that structure is simple, and own wt is light, and maintenance is few, therefore extensive utilization is obtained in the power system.
But MOA arrester also will appear many problems after putting into work of electric power system:
(1) since MOA valve block is under network voltage effect, leakage current centainly flows through zinc oxide valve plate, it is active in electric current
The variation that component will make valve block generate heat so as to cause MOA C-V characteristic, this is the process of a positive feedback, the result of long term
It will lead to the aging of zinc oxide valve plate, until there is thermal breakdown
(2) also under the action of surge voltage energy aging can occur for effect of the MOA by surge voltage, zinc oxide valve plate.
(3) MOA internal wetted or the insulation performance of built-in electrical insulation bracket are bad, can be that power current increases, power consumption aggravation,
It can lead to internal discharge when serious.
(4) it is subjected to the pollution of rain, snow, condensation and dust when MOA, internal oxidation is made due to volta potential difference in MOA
Biggish potential difference is generated between zinc valve block and external insulator, leads to the generation of radial electric discharge phenomena, may damage and keep away when serious
Thunder device.
The quality of MOA arrester performance directly affects safe operation of power system, because MOA arrester is for a long time in the high electricity of power frequency
Under the action of pressure, can gradually aging, and come the aging for finding MOA arrester be inadequate by annually prerun, even if pre-
Qualified MOA arrester in examination, may occur punch through damage in operation, and protection feature decline will then generate extremely serious
Consequence, for ensure MOA arrester safe operation, it is necessary to MOA arrester is strictly monitored.
In view of this, it is necessary to provide the arresters based on Internet of Things to monitor platform on-line, to solve the above problems.
Summary of the invention
The object of the present invention is to provide the arresters based on Internet of Things to monitor platform on-line, will monitor the state of arrester
It is collected and is handled, provide reference frame for maintenance and repair rate in the recent period；With setting periodic maintenance frequency in the prior art
Inferior mode is different, not only results in excessive maintenance in the prior art, improves outside cost of labor, and demountor in maintenance process
The behavior of device can also damage machine itself, be unfavorable for the purpose integrally overhauled.
Realize that the technical solution of the object of the invention is as follows:
Arrester based on Internet of Things monitors platform on-line, comprising:
Arrester data acquisition unit is set to the installed position in electric system between various electric appliances and arrester；
Cloud platform is developed, the signal that several retrieval data acquisition units are collected into is sent to the exploitation cloud platform；
Teledata display unit, the exploitation cloud platform parse signal, and by the state instantly of several arresters
It is shown in teledata display unit, while defining different maintenance instructions for the working condition of different arresters.
In a preferred embodiment of the invention, the arrester data acquisition unit is by monitoring based on lightning arrestor movement
Numerical value, leakage current value, battery capacity detect signal.
In a preferred embodiment of the invention, the signal timing of the monitoring sends primary or manual control and sends out in real time
It send or leakage current value >=specified value triggering is sent.
In a preferred embodiment of the invention, the timed sending time is primary according to time transmission is manually set
Packaged data.It is preferred that the time is 12 hours.
In a preferred embodiment of the invention, the maintenance instructions include high repair quality, middle maintenance instructions, and
Low maintenance instructions；
The high maintenance maintenance instructions arrange maintenance and repair personnel to carry out maintenance and repair at once；
The middle maintenance and repair instruction, i.e., maintenance and repair in progress after the maintenance and repair personnel assignment of high maintenance maintenance instructions
The arrangement of instruction；
The maintenance and repair personnel assignment that the low-maintenance maintenance instructions, i.e. high maintenance maintenance instructions, middle maintenance and repair instruct terminates
The arrangement of low-maintenance maintenance instructions is carried out afterwards.
In a preferred embodiment of the invention, this system signal is transmitted by the base station NB-IOT established.
In a preferred embodiment of the invention, there are data and control instruction based on NB-IOT, and can be in terminal
The operating status of arrester is inquired and monitored on mobile phone, PC machine equipment.
In a preferred embodiment of the invention, the arrester data acquisition unit includes that detection resistance, electric current are adopted
Collect module, temperature sensor and communication module,
The detection resistance be serially connected in arrester ZnO resistors valve block ground line on, the sensing head of the temperature sensor with
Detection resistance contact, current acquisition module real-time monitoring flow through the current value of detection resistance, and the temperature sensor and electric current are adopted
Collection module is electrically connected with communication module, and the communication module transmits data to monitoring system.
Compared with prior art, the beneficial effects of the present invention are:
The state for monitoring arrester is collected and is handled by the present invention, in the recent period maintenance and repair rate provide with reference to according to
According to.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the functional block diagram of arrester data acquisition unit of the invention；
Fig. 3 is the functional block diagram of teledata display unit of the invention；
Fig. 4 is the schematic block circuit diagram of arrester data acquisition unit of the invention.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.
As shown in Figure 1-Figure 3, the arrester based on Internet of Things monitors platform on-line, comprising: arrester data acquisition unit,
It is set to the installed position in electric system between various electric appliances and arrester；Cloud platform is developed, several retrieval data
The signal that acquisition unit is collected into is sent to the exploitation cloud platform；Teledata display unit, the exploitation cloud platform will be believed
It number is parsed, and the state instantly of several arresters is shown in teledata display unit, while for different
The working condition of arrester defines different maintenance instructions.Not with the modes such as setting periodic maintenance maintenance frequency in the prior art
Together, not only result in the prior art excessive maintenance maintenance, improve cost of labor outside, and in maintenance process the teardown of engine row
Also to damage to machine itself, it is unfavorable for the purpose integrally overhauled.
The high maintenance maintenance instructions arrange maintenance and repair personnel to carry out maintenance and repair at once；
The middle maintenance and repair instruction, i.e., maintenance and repair in progress after the maintenance and repair personnel assignment of high maintenance maintenance instructions
The arrangement of instruction；
The maintenance and repair personnel assignment that the low-maintenance maintenance instructions, i.e. high maintenance maintenance instructions, middle maintenance and repair instruct terminates
The arrangement of low-maintenance maintenance instructions is carried out afterwards.
Further, arrester data acquisition unit is for monitoring lightning arrestor movement counting value, leakage current value, battery capacity
Detect signal.
Preferably, the signal timing of the monitoring is sent once or manual control is sent in real time or leakage current value >=specified value
Triggering is sent.Wherein timed sending time is every 12 hours transmission packing once data.
This system signal is transmitted by the base station NB-IOT established；With based on NB-IOT data and control refer to
It enables, and can inquire and monitor the operating status of arrester in terminal phone, PC machine equipment.
As shown in figure 4, in addition arrester data acquisition unit includes detection resistance, current acquisition module, temperature sensor
And communication module, the detection resistance are serially connected on the ZnO resistors valve block ground line of arrester, the temperature sensor
Sensing head is contacted with detection resistance, and current acquisition module real-time monitoring flows through the current value of detection resistance, the temperature sensor
It is electrically connected with communication module with current acquisition module, the communication module transmits data to monitoring system.
For the ease of installing and monitoring, the current acquisition module of the present embodiment is current sensor.Due to the electric current of outsourcing
Sensor cost is larger, it is contemplated that reduces the manufacturing cost of entire service life of arrester monitoring device, the current acquisition of the present embodiment
Module can be as shown in Fig. 2, current acquisition module includes current acquisition chip and capacitor C1, positive supply and reference power supply, positive electricity
Source is the power supply of current acquisition chip, and reference power supply is connect with the reference voltage pin of current acquisition chip, positive supply serial capacitance
It is grounded after C1, the positive pin of input and the negative pin of input of current acquisition chip are separately connected the both ends of detection resistance R1, and electric current is adopted
Collect the output pin connection communication module of chip, is grounded after ZnO resistors valve block R0 concatenation detection resistance R1.Current acquisition core
Piece includes operational amplifier, resistance R21, resistance R22, resistance R23, resistance R24, after reference power supply series resistor R23 with operation
The positive input terminal of amplifier connects, and connect after ZnO resistors valve block R0 series resistor R24 with the positive input terminal of operational amplifier,
It is connect after detection resistance R1 series resistor R22 with the negative input end of operational amplifier, the negative input end of operational amplifier and output
Resistance R21 is accessed between end, the output end of operational amplifier is electrically connected with communication module.
Other than above-mentioned interrelational form, this system use have ARM kernel as core processor, LCD display module,
NB-IoT wireless communication module and power module；
On software, the scheduling of multitask and the management of peripheral equipment are realized using embedded OS.
It is mounted with that lightning-arrest leakage current simulation test circuit, Chip Microcomputer A/D converting system utilize NB-IOT in monitor
Technology (technology of Internet of things), because NB-IOT can be realized wireless with direct construction in cellular network with the smallest Internet resources
The transmission and analysis of data.
It the advantages that due to the low-power consumption of NB-IOT technology, low cost, high efficiency, can be by the leakage current of arrester, electric discharge
Number, the user terminals such as wireless remote transmission to computer, mobile phone, and it is configured with teletransmission video data terminal.
In conclusion this system is with the following functions:
1. having accurate transmission corresponding data (lightning arrestor movement counting value, leakage current value, battery capacity detection etc.) in real time and connecing
By the ability of control instruction；2. data packet is parsed based on the received, and then judges that ontology receives data and control instruction
It is whether correct.3. the display capabilities for having arrester current state information.The state that arrester is obtained according to data parsing,
It is shown on LCD liquid crystal display.And there is police instruction；
4. having battery capacity detection and low pressure alarming function.Remaining capacity is displayed in real time on LCD liquid crystal display, electricity is worked as
When insufficient, warning note is carried out by buzzer；
5. having data and control instruction transfer function based on NB-IOT, and can be inquired in the equipment such as terminal phone, PC machine
And the operating status of monitoring arrester；
6. keeping energy-saving design more convenient using a variety of low power mode of operation (power-down mode and idle mode)；
7. LCD MODULE, can Display of Chinese characters and figure explanation；
8. Real Time Clock Display, the detection parameters time, being capable of real-time query；
9. detection parameters and detection time persistence；
10. sending within parameter every 12 hours primary；Can also manual control send in real time；Leakage current value >=specified value triggering is sent；It keeps away
It triggers and sends when thunder device movement counting.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. the arrester based on Internet of Things monitors platform on-line characterized by comprising
Arrester data acquisition unit is set to the installed position in electric system between various electric appliances and arrester；
Cloud platform is developed, the signal that several retrieval data acquisition units are collected into is sent to the exploitation cloud platform；
Teledata display unit, the exploitation cloud platform parse signal, and by the state instantly of several arresters
It is shown in teledata display unit, while defining different maintenance, repair for the working condition of different arresters and referring to
It enables.
2. the arrester according to claim 1 based on Internet of Things monitors platform on-line, which is characterized in that the arrester
Data acquisition unit is for monitoring lightning arrestor movement counting value, leakage current value, temperature value, battery capacity detection signal.
3. the arrester according to claim 2 based on Internet of Things monitors platform on-line, which is characterized in that the monitoring
Signal timing is sent once or manual control is sent in real time or leakage current value >=specified value triggering is sent.
4. the arrester according to claim 3 based on Internet of Things monitors platform on-line, which is characterized in that the timing hair
Sending the time is to send packing once data according to the artificial settings time.
5. the arrester according to claim 3 based on Internet of Things monitors platform on-line, which is characterized in that the maintenance dimension
Repairing instruction includes high maintenance maintenance instructions, middle maintenance and repair instruction and low-maintenance maintenance instructions；
The high maintenance maintenance instructions arrange maintenance personal to carry out maintenance and repair at once；
The middle maintenance and repair instruction, i.e., maintenance and repair instruction in progress after maintenance personal's distribution of high maintenance maintenance instructions
Arrangement；
The maintenance and repair personnel assignment that the low-maintenance maintenance instructions, i.e. high maintenance maintenance instructions, middle maintenance and repair instruct terminates
The arrangement of low-maintenance maintenance instructions is carried out afterwards.
6. the arrester described in one of -5 based on Internet of Things monitors platform on-line according to claim 1, which is characterized in that described
This system signal is transmitted by the base station NB-IOT established.
7. the arrester according to claim 6 based on Internet of Things monitors platform on-line, which is characterized in that have and be based on
The data and control instruction of NB-IOT, and the operating status of arrester can be inquired and monitored in terminal phone, PC machine equipment.
8. the arrester according to claim 6 based on Internet of Things monitors platform on-line, which is characterized in that the arrester
Data acquisition unit includes detection resistance, current acquisition module, temperature sensor and communication module,
The detection resistance be serially connected in arrester ZnO resistors valve block ground line on, the sensing head of the temperature sensor with
Detection resistance contact, current acquisition module real-time monitoring flow through the current value of detection resistance, and the temperature sensor and electric current are adopted
Collection module is electrically connected with communication module, and the communication module transmits data to monitoring system.
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| CN201910673430.2A CN110361616A (en) | 2019-07-24 | 2019-07-24 | Arrester based on Internet of Things monitors platform on-line |
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| CN201910673430.2A CN110361616A (en) | 2019-07-24 | 2019-07-24 | Arrester based on Internet of Things monitors platform on-line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111077400A (en) * | 2020-01-08 | 2020-04-28 | 国网福建省电力有限公司 | 10KV zinc oxide arrester fault monitoring device and control method thereof |
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