CN206147038U - Electric power system partial discharge monitoring device - Google Patents
Electric power system partial discharge monitoring device Download PDFInfo
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- CN206147038U CN206147038U CN201620684669.1U CN201620684669U CN206147038U CN 206147038 U CN206147038 U CN 206147038U CN 201620684669 U CN201620684669 U CN 201620684669U CN 206147038 U CN206147038 U CN 206147038U
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- power system
- partial discharge
- receiving transmitting
- radio
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Abstract
The utility model discloses an electric power system partial discharge monitoring device, including the next machine and host computer, sensor module, signal processing module, a single -chip module and a wireless transceiver module are drawn together to the next press packed bale, sensor module with monitoring circuit module, a single -chip module and a wireless transceiver module connect gradually, the host computer includes a receiving module and the 2nd receiving module, a receiving module is including receiving a wireless transceiver module's the 2nd wireless transceiver module and with the second single -chip microcomputer module that the 2nd wireless transceiver module connects, the on -line monitoring who adopts wireless transmission to realize electric power system partial discharge has realized the non -contact monitoring. Adopting the method of ultrasonic wave monitoring, consequently receiving electric power system's interference less, anti -interference ability and sensitivity are higher moreover, can whether take place partial discharge by real -time supervision electric power system, carry out real time monitoring to electric power system.
Description
Technical field
This utility model is related to power system monitoring equipment technical field, more particularly to a kind of power system shelf depreciation prison
Survey device.
Background technology
In power system, shelf depreciation is to cause one of failure of insulation breakdown.If can find that shelf depreciation is believed in time
Number, in advance defect is processed, the generation of Fault of Insulating Breakdown can be just prevented effectively from.Power off time is reduced, maintenance effect is improved
Rate.At present, existing monitoring is monitored using monitor by monitoring personnel, so not only occupies substantial amounts of work people
Member, and work efficiency tells somebody what one's real intentions are, it is impossible to accomplish the purpose of real-time monitoring, it is impossible to keeped in repair in time and monitored.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electricity for being capable of real-time monitoring power system shelf depreciation
Force system partial discharge monitoring device.
In order to solve above-mentioned technical problem, the technical solution of the utility model is：A kind of power system partial discharge monitoring
Device, including slave computer and host computer, the slave computer include sensor assembly, signal processing module, the first one-chip computer module
With the first radio receiving transmitting module, the sensor assembly and observation circuit module, the first one-chip computer module and the first wireless receiving and dispatching
Module is sequentially connected；The host computer includes the first receiver module and the second receiver module, and first receiver module includes connecing
The second radio receiving transmitting module for receiving first radio receiving transmitting module and the second list being connected with second radio receiving transmitting module
Piece machine module, second receiver module include for receive first radio receiving transmitting module the 3rd radio receiving transmitting module,
Connect the 3rd one-chip computer module and the memory module being connected with the 3rd one-chip computer module of the 3rd radio receiving transmitting module,
The memory module and second singlechip module connection PC.
Further, the sensor assembly includes ultrasonic sensor, and the signal processing module includes filter circuit
And amplifying circuit, the filter circuit is connected with the sensor assembly, the amplifying circuit and first one-chip computer module
Connection.
Further, the filter circuit includes seven rank low pass elliptic function filters and the high pass filter for cascading,
The seven ranks low pass elliptic function filter is connected with the sensor, and the high pass filter is connected with the amplifying circuit.
Further, it is additionally provided with the slave computer for being that first one-chip computer module and described first are wirelessly received
Send out the power module that module provides electric energy.
Further, set on first radio receiving transmitting module, the second radio receiving transmitting module and the 3rd radio receiving transmitting module
It is equipped with rf power amplifier circuit.
Further, the rf power amplifier circuit includes radio-frequency power amplification chip, and the radio-frequency power amplifies
The RF_OUT interfaces of chip are parallel with capacitor C19 and inducer L11, and the leading-out terminal of the inducer L11 connects the electric capacity
The end of incoming cables of device C20, the leading-out terminal ground connection of the capacitor C20, connects between the inducer L11 and the capacitor C20
Power supply, the GND interfacing grounds of the radio-frequency power amplification chip, the Vbias interfaces and VCC of the radio-frequency power amplification chip connect
Mouth connection power supply, is in series with audion Q1, the audion Q1 and the Vbias interfaces between the Vbias interfaces and power supply
Between be parallel with capacitor C21, the leading-out terminal ground connection of the capacitor C21 is in series between the power supply and the VCC interfaces
Inducer L12, is parallel with capacitor C22, the leading-out terminal of the capacitor C22 between the inducer L12 and the VCC interfaces
Ground connection.
Further, resistance R5, the emitter stage connection of the audion Q1 are in series with the base stage of the audion Q1
Power supply, the colelctor electrode of the audion Q1 connect the Vbias interfaces.
Using having the beneficial effect that above-mentioned technical proposal this utility model is obtained：Electric power is realized using wireless transmission method
The on-line monitoring of system shelf depreciation, realizes contactless monitoring.Using the method for monitoring ultrasonic, therefore receive power system
Interference it is less, and interference free performance and sensitivity are higher, can real-time monitoring power system whether there is shelf depreciation, it is right
Power system carries out monitor in real time.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of structural representation of power system partial discharge monitoring device of this utility model；
Structural representations of the Fig. 2 for this utility model filter circuit；
Structural representations of the Fig. 3 for this utility model amplifying circuit；
Structural representations of the Fig. 4 for this utility model rf power amplifier circuit.
In figure：1- slave computers, 2- sensor assemblies, 3- signal processing modules, the first one-chip computer modules of 4-, 5- first is wireless
Transceiver module, the first receiver modules of 6-, 7- host computers, the second radio receiving transmitting modules of 8-, 9- second singlechip modules, 10-PC machines,
The second receiver modules of 11-, the 3rd radio receiving transmitting modules of 12-, the 3rd one-chip computer modules of 13-, 14- memory modules.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further.Here it should be noted that
For the explanation of these embodiments is used to help understand this utility model, but do not constitute to restriction of the present utility model.This
Outward, as long as technical characteristic involved in this utility model disclosed below each embodiment does not constitute conflict each other
Can just be mutually combined.
Further illustrating with reference to 1,2,3,4 pairs of this utility model of accompanying drawing makes person of ordinary skill in the field preferably real
Apply this utility model, a kind of power system partial discharge monitoring device of this utility model, including slave computer 1 and host computer 7.
This utility model slave computer 1, including sensor assembly 2, signal processing module 3, the first one-chip computer module 4 and first
Radio receiving transmitting module 5, sensor assembly 2 and observation circuit module 3, the first one-chip computer module 4 and the first radio receiving transmitting module 5 according to
Secondary connection；It is additionally provided with slave computer 1 for the electricity for the first one-chip computer module 4 and the offer electric energy of the first radio receiving transmitting module 5
Source module；Sensor assembly 2 includes ultrasonic sensor, and signal processing module 3 includes filter circuit and amplifying circuit, filtered electrical
Road is connected with sensor assembly 2, and amplifying circuit is connected with the first one-chip computer module 4；Filter circuit includes the seven rank low passes for cascading
Elliptic function filter and high pass filter, seven rank low pass elliptic function filters are connected with sensor, high pass filter with put
Big circuit connection；Because the output of radio receiving transmitting module is relatively low, it is impossible to meet long-distance transmissions, in order to increase radio communication
Transmission power, the transmission range for greatly increasing signal increased rf power amplifier circuit, and rf power amplifier circuit includes
Radio-frequency power amplification chip, the RF_OUT interfaces of radio-frequency power amplification chip are parallel with capacitor C19 and inducer L11, inductance
The leading-out terminal of device L11 connects the end of incoming cables of capacitor C20, the leading-out terminal ground connection of capacitor C20, inducer L11 and capacitor C20
Between connect power supply, the GND interfacing grounds of radio-frequency power amplification chip, the Vbias interfaces of radio-frequency power amplification chip and VCC connect
Mouth connection power supply, is in series with audion Q1, is parallel with electricity between audion Q1 and Vbias interface between Vbias interfaces and power supply
The leading-out terminal ground connection of container C21, capacitor C21, is in series with inducer L12, inducer L12 and VCC between power supply and VCC interfaces
Capacitor C22, the leading-out terminal ground connection of capacitor C22 are parallel between interface；It is in series with resistance R5 in the base stage of audion Q1, three
The emitter stage connection power supply of pole pipe Q1, the colelctor electrode connection Vbias interfaces of audion Q1.
This utility model host computer 7, including the first receiver module 6 and the second receiver module 11, the first receiver module 6 includes
Receive second radio receiving transmitting module 8 and the second singlechip being connected with the second radio receiving transmitting module 8 of the first radio receiving transmitting module 5
Module 9, the second receiver module 11 are included for receiving the 3rd radio receiving transmitting module 12, the connection the of the first radio receiving transmitting module 5
3rd one-chip computer module 13 and the memory module 14 being connected with the 3rd one-chip computer module 13 of three radio receiving transmitting modules 12, stores mould
Block 14 and the connection PC 10 of second singlechip module 9.
First receiver module 6 and the second receiver module 11 of this utility model host computer 7 is discharge data reception device, the
One receiver module 6 is connected with PC 10 by 485 buses, and the second receiver module 11 is mobile device, and staff can carry
Second receiver module 11 is monitored to scene, in the memory module 14 of second receiver module of data Cun Chudao 11 of monitoring, storage
Storing module 14 is connected on PC 10 by data wire, when partial discharge quantity is sent by slave computer 1, host computer 7
These data are sent to into PC in real time by bus, when data cannot normal through bus transfer when this utility model this is counted
According to storing.
This utility model slave computer 1 is arranged on power system device regularly carries out the collection of partial discharge quantity, it is current just
The shelf depreciation value of power system is driven to the first one-chip computer module 4 by sensor assembly 2 when often working, then by first
Data is activation is gone out after carrying out packing process by one-chip computer module 4 using the first radio receiving transmitting module 5, slave computer 1 it is main
Function is exactly being wirelessly transferred for the collection to Partial Discharge Data and data.
This utility model slave computer 1 arranges multiple, is separately positioned on the key position of power system, adopts the side of being wirelessly transferred
Formula realizes the on-line monitoring of power system shelf depreciation, realizes contactless monitoring.Using the method for monitoring ultrasonic, because
This is less by the interference of power system, and interference free performance and sensitivity are higher, can real-time monitoring power system whether send out
Raw shelf depreciation, carries out monitor in real time to power system.
Embodiment of the present utility model is explained in detail above in association with accompanying drawing, but this utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, it is in the case of without departing from this utility model principle and spirit, right
These embodiments carry out various changes, modification, replacement and modification, still fall within protection domain of the present utility model.
Claims (7)
1. a kind of power system partial discharge monitoring device, it is characterised in that：Including：
Slave computer, including sensor assembly, signal processing module, the first one-chip computer module and the first radio receiving transmitting module, it is described
Sensor assembly is sequentially connected with observation circuit module, the first one-chip computer module and the first radio receiving transmitting module；
Host computer, including the first receiver module and the second receiver module, first receiver module include receiving first nothing
Second radio receiving transmitting module of line transceiver module and the second singlechip module being connected with second radio receiving transmitting module, it is described
Second receiver module is included for receiving the 3rd radio receiving transmitting module of first radio receiving transmitting module, connecting the 3rd nothing
3rd one-chip computer module of line transceiver module and the memory module being connected with the 3rd one-chip computer module, the memory module and
The second singlechip module connects PC.
2. power system partial discharge monitoring device according to claim 1, it is characterised in that：The sensor assembly includes
Ultrasonic sensor, the signal processing module include filter circuit and amplifying circuit, the filter circuit and the sensor
Module connects, and the amplifying circuit is connected with first one-chip computer module.
3. power system partial discharge monitoring device according to claim 2, it is characterised in that：The filter circuit includes level
The seven rank low pass elliptic function filters and high pass filter, the seven ranks low pass elliptic function filter and the sensor of connection
Connection, the high pass filter are connected with the amplifying circuit.
4. power system partial discharge monitoring device according to claim 1, it is characterised in that：Also set up on the slave computer
Have for the power module of electric energy is provided for first one-chip computer module and first radio receiving transmitting module.
5. power system partial discharge monitoring device according to claim 1, it is characterised in that：The first wireless receiving and dispatching mould
Rf power amplifier circuit is provided with block, the second radio receiving transmitting module and the 3rd radio receiving transmitting module.
6. power system partial discharge monitoring device according to claim 5, it is characterised in that：The radio-frequency power amplifies electricity
Road includes radio-frequency power amplification chip, and the RF_OUT interfaces of the radio-frequency power amplification chip are parallel with capacitor C19 and inductance
The leading-out terminal of device L11, the inducer L11 connects the end of incoming cables of the capacitor C20, the outlet termination of the capacitor C20
Ground, connects power supply between the inducer L11 and the capacitor C20, the GND interfaces of the radio-frequency power amplification chip connect
Ground, the Vbias interfaces of the radio-frequency power amplification chip and VCC interfaces connection power supply, go here and there between the Vbias interfaces and power supply
Audion Q1 is associated with, capacitor C21 between the audion Q1 and the Vbias interfaces, is parallel with, the capacitor C21's goes out
Line end is grounded, and inducer L12, the inducer L12 and the VCC interfaces are in series between the power supply and the VCC interfaces
Between be parallel with capacitor C22, the leading-out terminal ground connection of the capacitor C22.
7. power system partial discharge monitoring device according to claim 6, it is characterised in that：The base stage of the audion Q1
On be in series with resistance R5, the emitter stage connection power supply of the audion Q1, the colelctor electrode of the audion Q1 connect the Vbias
Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620684669.1U CN206147038U (en) | 2016-07-01 | 2016-07-01 | Electric power system partial discharge monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620684669.1U CN206147038U (en) | 2016-07-01 | 2016-07-01 | Electric power system partial discharge monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206147038U true CN206147038U (en) | 2017-05-03 |
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ID=58616343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620684669.1U Active CN206147038U (en) | 2016-07-01 | 2016-07-01 | Electric power system partial discharge monitoring device |
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| Country | Link |
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| CN (1) | CN206147038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124943A (en) * | 2016-07-01 | 2016-11-16 | 河北箱变电器有限公司 | A kind of power system partial discharge monitoring device |
-
2016
- 2016-07-01 CN CN201620684669.1U patent/CN206147038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124943A (en) * | 2016-07-01 | 2016-11-16 | 河北箱变电器有限公司 | A kind of power system partial discharge monitoring device |
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