CN205981295U - Gather on -line monitoring device of insulator environment humiture - Google Patents
Gather on -line monitoring device of insulator environment humiture Download PDFInfo
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- CN205981295U CN205981295U CN201620993940.XU CN201620993940U CN205981295U CN 205981295 U CN205981295 U CN 205981295U CN 201620993940 U CN201620993940 U CN 201620993940U CN 205981295 U CN205981295 U CN 205981295U
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Abstract
The utility model discloses a gather on -line monitoring device of insulator environment humiture, including microprocessor, the temperature detection circuit, moisture detection circuit, level shifting circuit and the power supply circuit that are connected with microprocessor respectively, temperature detection circuit includes that reference voltage sets for circuit and thermistor circuit, and the output of reference voltage settlement circuit is connected with microprocessor's microprocessor 3 input respectively with the microprocessor 1 of thermistor circuit, the humidity measuring circuit adopts digital humidity transducer sht15, level shifting circuit adopts the MAX232 chip. Temperature detection circuit, moisture detection circuit are the subordinate parameters that need draw for the surface temperature who is used for revising the insulator in fusion algorithm the time, can make the result accuracy of differentiating more.
Description
Technical field
This utility model is related to power transmission and transforming equipment running status maintenance field, and especially a kind of collection insulation subenvironment is warm and humid
The on-Line Monitor Device of degree.
Background technology
In electrical network running, insulator as a kind of particularly important insulation firmware, built on stilts suppress supply electric line and
Fixation is suppressed supply electric device and is had the contribution performed meritorious deeds never to be obliterated.As a kind of High-Voltage Insulation control, to fixation, spontaneous power plant transmits electricity,
Transmit electricity to transformer station, then via ultra-high-tension power transmission lines such as high voltage bus branch lines at different levels, eventually arrive at use electric units at different levels, insulator
String nowhere loses.However, insulator chain also serves as a kind of customary insulation control, apply in the middle of extraneous various adverse circumstances, when
Carve the test that undergo the Nature.First, in running, when insulator chain is exposed to atmospheric pollution serious regional, pole
It is easily attached to insulator surface by dunghill, is just so that electricity is revealed on insulator periphery top layer in this result the most bad
Stream increases severely, and causes performance impairment, and then hinders electric power networks steady operation；Second, in the snow and rain hail of high intensity or thunderbolt
Etc. under the impact of natural disaster, stand long-term randomized jitter high-tension bus-bar, make mechanical load constantly along with high-voltage line
It is transmitted to insulator, along with producing electric arc effect internal structure of burning, easily insulator is caused to corrode, wear and tear with even table
Slight crack transversely or longitudinally in face, and the crackle causing all will lead to tested range temperature to spread extremely；Third, insulator
String is under the electric field action of high intensity, actual exhausted due to, under the synergy by high voltage heavy current and mechanical load, leading to
Edge resistance reduction, when deterioration so that when conducting voltage is less than dry lightning pressure, will being defined in this case and be called " low value
Insulator "；After conducting voltage numerical value inside is more and more lower until being zeroed completely, this situation is just called that " null value is exhausted
Edge ".Understand, if the situation that both deteriorates resistance in insulator, because its internal breakdown voltage is minimum even
Zero, also it is equivalent to insulator " short-circuit ", so when suffering from being struck by lightning weather or power frequency flashover occurring, low value, null value
Interior insulator will be easy to be flow through by heavy current, in turn because joule thermal response produces high temperature, so that partly hanging shape insulator
Some key positions scrap through can't stand high temperature or be badly damaged, such as steel cap.High-tension bus-bar can not be fixed again and lead to
Electric wire such as lands at the major accident.Both the above insulator is most serious is also the fault needing most prevention.The safety of insulator chain
Run the security reliability directly affecting electrical network, the condition monitoring of insulator chain is very necessary.Many events due to insulator chain
Barrier is all showed with temperature anomaly, and therefore application infrared thermography can detect defect inside or outside it.
Utility model content
The purpose of this utility model is to provide a kind of on-Line Monitor Device of collection insulator ambient temperature and humidity, can detect
Insulator chain local environment air themperature and humidity, when being used for, when blending algorithm, the surface temperature revising insulator
Need the auxiliary parameter extracted, the result enabling to differentiate is more accurate.
For achieving the above object, this utility model adopts following technical proposals：
A kind of on-Line Monitor Device of collection insulator ambient temperature and humidity, including microprocessor, respectively with microprocessor even
Temperature measurement circuit, humidity measuring circuit, level shifting circuit and the power circuit connecing,
Temperature measurement circuit includes gathering the reference voltage setting circuit providing reference voltage and resistance for AD with temperature change
The thermosensitive resistor and circuit changing, the outfan of reference voltage setting circuit and the output voltage of thermosensitive resistor and circuit respectively with micro- place
The temperature survey input of reason device connects；
Humidity measuring circuit adopts digital humidity sensor sht15, and it is total that digital humidity sensor sht15 passes through I2C
Line is connected with the humidity input of microprocessor；
Level shifting circuit adopts MAX232 chip, and the input of MAX232 chip is connected with the outfan of microprocessor,
The outfan of MAX232 chip is connected with USB interface；
Power circuit includes the first mu balanced circuit, 5V power circuit, the second mu balanced circuit, 3.3V power circuit, and first is steady
The input of volt circuit is connected with 24V lithium battery, and the outfan of the first mu balanced circuit is connected with the input of 5V power circuit, 5V
The outfan output 5V IN voltage of power circuit；
The input of the second mu balanced circuit is connected with the input of 5V power circuit, the outfan output of the second mu balanced circuit
5V voltage, the outfan of the second mu balanced circuit is connected with the input of 3.3V power circuit, and the outfan of 3.3V power circuit is defeated
Go out VCC3.3V voltage；
The outfan of 5V power circuit is connected with the power end of temperature measurement circuit, the outfan of 3.3V power circuit respectively with micro-
The voltage terminal of processor, the voltage terminal of humidity measuring circuit, the voltage terminal of level shifting circuit connect.
Further, microprocessor adopts single-chip microcomputer STM32F103C8T6, and the pin 7 of single-chip microcomputer STM32F103C8T6 leads to
Cross resistance R6 and connect VCC3.3V voltage, by variable capacitance C rest1 and switch S1 ground connection；Single-chip microcomputer STM32F103C8T6's
Pin 5 is connected with one end of crystal oscillator Y1 and one end of electric capacity C10, and the pin 6 of single-chip microcomputer STM32F103C8T6 is another with crystal oscillator Y1's
One end of one end and electric capacity C16 connects, and the other end of the other end of electric capacity C10 and electric capacity C16 is grounded after connecting；Single-chip microcomputer
The pin 8 of STM32F103C8T6, pin 23, pin 35, pin 47 connect after external VCC3.3V voltage, single-chip microcomputer
The pin 9 of STM32F103C8T6, pin 24, pin 36, pin 48 are grounded after connecting, the pin of single-chip microcomputer STM32F103C8T6
Serial capacitance C13 between the pin 23 of serial capacitance C12 between 8 and pin 9, single-chip microcomputer STM32F103C8T6 and pin 24, single
The pin 47 of serial capacitance C14 between the pin 35 of piece machine STM32F103C8T6 and pin 36, single-chip microcomputer STM32F103C8T6,
Serial capacitance C15 between pin 48.
Further, reference voltage setting circuit includes voltage stabilizing chip LM2576, and the input of voltage stabilizing chip LM2576 is even
Connect 5V voltage, the outfan of voltage stabilizing chip LM2576 is connected with the pin 10 of microprocessor, thermosensitive resistor and circuit adopts NI120 to pass
Sensor, the pin 1 of NI120 sensor is connected with the outfan of voltage stabilizing chip LM2576 by resistance ADR1.
Further, the pin 1 of digital humidity sensor sht15 is grounded, and pin 2 is data wire and single-chip microcomputer
The pin 43 of STM32F103C8T6 connects, and pin 3 is connected with the pin 42 of single-chip microcomputer STM32F103C8T6, and pin 4 connects power supply
VCC3.3V, is grounded after pin 5～8 parallel connection.
Further, the pin 11 of MAX232 chip is connected with the pin 30 of single-chip microcomputer STM32F103C8T6, MAX232 core
The pin 12 of piece is connected with the pin 31 of single-chip microcomputer STM32F103C8T6, the pin of the pin of MAX232 chip 13 and USB interface
3 connections, the pin 14 of MAX232 chip is connected with the pin 2 of USB interface, the pin 15 of MAX232 chip and drawing of USB interface
Foot 1 is grounded after connecting.
Further, the first mu balanced circuit include rheostat PR4, transient voltage suppressor diode PD2, electric capacity PC4,
Inductance PL2, electric capacity PC5, variable capacitance PC1, resistance PR2 and LED P D3, rheostat PR4, transient voltage suppression
The terminals of one end external 24V lithium battery after diode PD2 and electric capacity PC4 parallel connection, the other end ground connection after parallel connection, inductance PL2
One end external 24V lithium battery binding post, the other end concatenate with electric capacity PC5 after ground connection, variable capacitance PC1 and electric capacity PC5 are simultaneously
Connection, the terminal voltage of variable capacitance PC1 is output voltage 24V, and resistance PR2 is grounded after being connected with LED P D3.
Further, 5V power circuit includes voltage stabilizing chip LM2596, the pin 1 external 24V electricity of voltage stabilizing chip LM2596
Pressure, pin 2 is connected with the negative pole of diode D3 and one end of inductance L1 respectively, after pin 3 and pin 5 connection respectively with diode
The positive pole of D3 connects, and concatenates variable capacitance C1 between pin 1 and pin 3, and pin 4 exports 5V IN voltage, pin 4 respectively with electricity
One end of the other end of sense L1 and variable capacitance C4 connects, and electric capacity C7 is connected in parallel with variable capacitance C4.
Further, the first mu balanced circuit include rheostat PR3, transient voltage suppressor diode PD1, electric capacity PC2,
Inductance PL1, electric capacity PC3, resistance PR1 and LED P D4, rheostat PR3, transient voltage suppressor diode PD1 and
One end external 5V IN voltage after electric capacity PC2 parallel connection, the other end ground connection after parallel connection, one end external 5V IN voltage of inductance PL1,
The other end is grounded after being concatenated with electric capacity PC3, and the terminal voltage of electric capacity PC3 is 5V voltage, and resistance PR1 and LED P D4 goes here and there
It is grounded after connection.
Further, 3.3V power circuit includes voltage stabilizing chip AMS1117, the external 5V of pin 3 of voltage stabilizing chip AMS1117
Voltage, pin 1 is grounded, and is serially connected with electric capacity C5 between pin 3 and pin 1, and variable capacitance C2 is in parallel with electric capacity C5, and pin 2 exports
VCC 3.3V voltage, is serially connected with electric capacity C6 between pin 2 and pin 1, variable capacitance C3 is connected in parallel with electric capacity C6.
The beneficial effects of the utility model are,
This utility model use STM32F1038T6 single-chip microcomputer operation SHT15 humidity sensor NI120 temperature sensor with
Obtain ambient temperature and humidity data, microcontroller serial port uses MAX232 chip switching levels to realize communicating with computer, by the warm and humid number of degrees
According to being sent to PC, processed by the display calculating that PC carries out next step.Temperature measurement circuit, humidity measuring circuit are provided to melting
It is used for the auxiliary parameter needing when the surface temperature revising insulator to extract when hop algorithm, enable to the knot differentiating
Fruit is more accurate, can be more beneficial for rejecting some ambient noise signals.
Brief description
Fig. 1 is this utility model circuit structure block diagram；
Fig. 2 is single-chip microcomputer STM32F103C8T6 minimum system circuit diagram；
Fig. 3 is temperature measurement circuit figure；
Fig. 4 is humidity measuring circuit figure；
Fig. 5 is level shifting circuit figure；
Fig. 6 is the first mu balanced circuit figure；
Fig. 7 is 5V power circuit diagram；
Fig. 8 is the second mu balanced circuit figure；
Fig. 9 is 3.3V power circuit diagram.
Specific embodiment
As shown in figure 1, a kind of collection insulator ambient temperature and humidity on-Line Monitor Device, including microprocessor, respectively with
Temperature measurement circuit, humidity measuring circuit, level shifting circuit and power circuit that microprocessor connects,
Temperature measurement circuit includes gathering the reference voltage setting circuit providing reference voltage and resistance for AD with temperature change
The thermosensitive resistor and circuit changing, the outfan of reference voltage setting circuit and the output voltage of thermosensitive resistor and circuit respectively with micro- place
The temperature survey input of reason device connects；
Humidity measuring circuit adopts digital humidity sensor sht15, and it is total that digital humidity sensor sht15 passes through I2C
Line is connected with the humidity input of microprocessor；
Level shifting circuit adopts MAX232 chip, and the input of MAX232 chip is connected with the outfan of microprocessor,
The outfan of MAX232 chip is connected with USB interface；
Power circuit includes the first mu balanced circuit, 5V power circuit, the second mu balanced circuit, 3.3V power circuit, and first is steady
The input of volt circuit is connected with 24V lithium battery, and the outfan of the first mu balanced circuit is connected with the input of 5V power circuit, 5V
The outfan output 5V IN voltage of power circuit；
The input of the second mu balanced circuit is connected with the input of 5V power circuit, the outfan output of the second mu balanced circuit
5V voltage, the outfan of the second mu balanced circuit is connected with the input of 3.3V power circuit, and the outfan of 3.3V power circuit is defeated
Go out VCC3.3V voltage；
The outfan of 5V power circuit is connected with the power end of temperature measurement circuit, the outfan of 3.3V power circuit respectively with micro-
The voltage terminal of processor, the voltage terminal of humidity measuring circuit, the voltage terminal of level shifting circuit connect.
As shown in Fig. 2 microprocessor adopts single-chip microcomputer STM32F103C8T6, the pin 7 of single-chip microcomputer STM32F103C8T6
VCC3.3V voltage is connected by resistance R6, by variable capacitance C rest1 and switch S1 ground connection；Single-chip microcomputer STM32F103C8T6
Pin 5 be connected with one end of crystal oscillator Y1 and one end of electric capacity C10, the pin of single-chip microcomputer STM32F103C8T6 6 is with crystal oscillator Y1's
One end of the other end and electric capacity C16 connects, and the other end of the other end of electric capacity C10 and electric capacity C16 is grounded after connecting；Single-chip microcomputer
The pin 8 of STM32F103C8T6, pin 23, pin 35, pin 47 connect after external VCC3.3V voltage, single-chip microcomputer
The pin 9 of STM32F103C8T6, pin 24, pin 36, pin 48 are grounded after connecting, the pin of single-chip microcomputer STM32F103C8T6
Serial capacitance C13 between the pin 23 of serial capacitance C12 between 8 and pin 9, single-chip microcomputer STM32F103C8T6 and pin 24, single
The pin 47 of serial capacitance C14 between the pin 35 of piece machine STM32F103C8T6 and pin 36, single-chip microcomputer STM32F103C8T6,
Serial capacitance C15 between pin 48.The pin 38 of single-chip microcomputer STM32F103C8T6 is connected with the negative electrode of light emitting diode D1, sends out
The anode of optical diode D1 is connected with one end of resistance R3, and pin 39 is connected with the negative electrode of light emitting diode D2, light emitting diode
The anode of D2 is connected with one end of resistance R4, and pin 40 is connected with the negative electrode of light emitting diode D4, the anode of light emitting diode D4
It is connected with one end of resistance R5, external electricity after the other end connection of the other end of resistance R3, the other end of resistance R4 and resistance R5
Pressure VCC 3.3V.
As shown in figure 3, reference voltage setting circuit includes voltage stabilizing chip LM2576, the input of voltage stabilizing chip LM2576 is even
Connect 5V voltage, the outfan of voltage stabilizing chip LM2576 is connected with the pin 10 of microprocessor, thermosensitive resistor and circuit adopts NI120 to pass
Sensor, the pin 1 of NI120 sensor is connected with the outfan of voltage stabilizing chip LM2576 by resistance ADR1.NI120 is substantially heat
Quick resistance, is changed therewith by the change resistance of temperature.AD_IN0 is NI120 voltage, VDD=3.3V, and resistance ADR1 resistance is
51 ohm, resistance ADR1 is connected with NI120, and that is, both electric current I are equal.
I=(3.3-AD_IN0)/51
NI120 resistance=AD_IN0/I
NI120 phasing meter as shown in table 1, using one quadratic function of MATLAB matching, is tried to achieve by bringing into before
NI120 resistance can calculate temperature.
Table 1
As shown in figure 4, the pin 1 of digital humidity sensor sht15 is grounded, pin 2 is data wire and single-chip microcomputer
The pin 43 of STM32F103C8T6 connects, and pin 3 is connected with the pin 42 of single-chip microcomputer STM32F103C8T6, and pin 4 connects power supply
VCC3.3V, is grounded after pin 5～8 parallel connection.
As shown in figure 5, the pin 11 of MAX232 chip is connected with the pin 30 of single-chip microcomputer STM32F103C8T6, MAX232
The pin 12 of chip is connected with the pin 31 of single-chip microcomputer STM32F103C8T6, the pin 13 of MAX232 chip and drawing of USB interface
Foot 3 connects, and the pin 14 of MAX232 chip is connected with the pin 2 of USB interface, the pin of MAX232 chip 15 and USB interface
Pin 1 is grounded after connecting.
As shown in fig. 6, the first mu balanced circuit includes rheostat PR4, transient voltage suppressor diode PD2, electric capacity
PC4, inductance PL2, electric capacity PC5, variable capacitance PC1, resistance PR2 and LED P D3, rheostat PR4, transient voltage
The terminals of one end external 24V lithium battery after suppression diode PD2 and electric capacity PC4 parallel connection, the other end ground connection after parallel connection, inductance
One end external 24V lithium battery binding post of PL2, the other end is grounded after being concatenated with electric capacity PC5, variable capacitance PC1 and electric capacity PC5
Parallel connection, the terminal voltage of variable capacitance PC1 is output voltage 24V, and resistance PR2 is grounded after being connected with LED P D3.
As shown in fig. 7,5V power circuit includes voltage stabilizing chip LM2596, the pin 1 external 24V electricity of voltage stabilizing chip LM2596
Pressure, pin 2 is connected with the negative pole of diode D3 and one end of inductance L1 respectively, after pin 3 and pin 5 connection respectively with diode
The positive pole of D3 connects, and concatenates variable capacitance C1 between pin 1 and pin 3, and pin 4 exports 5V IN voltage, pin 4 respectively with electricity
One end of the other end of sense L1 and variable capacitance C4 connects, and electric capacity C7 is connected in parallel with variable capacitance C4.
As shown in figure 8, the first mu balanced circuit includes rheostat PR3, transient voltage suppressor diode PD1, electric capacity
PC2, inductance PL1, electric capacity PC3, resistance PR1 and LED P D4, rheostat PR3, transient voltage suppressor diode
One end external 5V IN voltage after PD1 and electric capacity PC2 parallel connection, the other end ground connection after parallel connection, one end external 5V IN of inductance PL1
Voltage, the other end is grounded after being concatenated with electric capacity PC3, and the terminal voltage of electric capacity PC3 is 5V voltage, resistance PR1 and light emitting diode
It is grounded after PD4 series connection.
As shown in figure 9,3.3V power circuit includes voltage stabilizing chip AMS1117, the pin 3 of voltage stabilizing chip AMS1117 is external
5V voltage, pin 1 is grounded, and is serially connected with electric capacity C5 between pin 3 and pin 1, and variable capacitance C2 is in parallel with electric capacity C5, and pin 2 is defeated
Go out VCC 3.3V voltage, between pin 2 and pin 1, be serially connected with electric capacity C6, variable capacitance C3 is connected in parallel with electric capacity C6.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel do not need to pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (9)
1. a kind of collection insulator ambient temperature and humidity on-Line Monitor Device it is characterised in that include microprocessor, respectively with micro-
Temperature measurement circuit, humidity measuring circuit, level shifting circuit and power circuit that processor connects,
Temperature measurement circuit includes gathering, for AD, the reference voltage setting circuit providing reference voltage and resistance changes with temperature and changes
Thermosensitive resistor and circuit, the outfan of reference voltage setting circuit and the output voltage of thermosensitive resistor and circuit respectively with microprocessor
Temperature survey input connect；
Humidity measuring circuit adopt digital humidity sensor sht15, digital humidity sensor sht15 pass through I2C bus with
The humidity input of microprocessor connects；
Level shifting circuit adopts MAX232 chip, and the input of MAX232 chip is connected with the outfan of microprocessor,
The outfan of MAX232 chip is connected with USB interface；
Power circuit includes the first mu balanced circuit, 5V power circuit, the second mu balanced circuit, 3.3V power circuit, the first voltage stabilizing electricity
The input on road is connected with 24V lithium battery, and the outfan of the first mu balanced circuit is connected with the input of 5V power circuit, 5V power supply
The outfan output 5V IN voltage of circuit；
The input of the second mu balanced circuit is connected with the input of 5V power circuit, the outfan output 5V electricity of the second mu balanced circuit
Pressure, the outfan of the second mu balanced circuit is connected with the input of 3.3V power circuit, the outfan output of 3.3V power circuit
VCC3.3V voltage；
The outfan of 5V power circuit is connected with the power end of temperature measurement circuit, the outfan of 3.3V power circuit respectively with microprocessor
The voltage terminal of device, the voltage terminal of humidity measuring circuit, the voltage terminal of level shifting circuit connect.
2. as claimed in claim 1 a kind of on-Line Monitor Device of collection insulator ambient temperature and humidity it is characterised in that micro- place
Reason device adopts single-chip microcomputer STM32F103C8T6, and the pin 7 of single-chip microcomputer STM32F103C8T6 connects VCC3.3V electricity by resistance R6
Pressure, by variable capacitance C rest1 and switch S1 ground connection；The pin 5 of single-chip microcomputer STM32F103C8T6 and one end of crystal oscillator Y1 and
One end of electric capacity C10 connects, and the pin 6 of single-chip microcomputer STM32F103C8T6 is connected with one end of the other end of crystal oscillator Y1 and electric capacity C16
Connect, the other end of the other end of electric capacity C10 and electric capacity C16 is grounded after connecting；The pin 8 of single-chip microcomputer STM32F103C8T6, pin
23rd, external VCC3.3V voltage after pin 35, pin 47 connect, the pin 9 of single-chip microcomputer STM32F103C8T6, pin 24, pin
36th, it is grounded after pin 48 connects, serial capacitance C12 between the pin 8 of single-chip microcomputer STM32F103C8T6 and pin 9, single-chip microcomputer
The pin 35 of serial capacitance C13 between the pin 23 of STM32F103C8T6 and pin 24, single-chip microcomputer STM32F103C8T6 and drawing
Serial capacitance C15 between the pin 47 of serial capacitance C14 between foot 36, single-chip microcomputer STM32F103C8T6, pin 48.
3. as claimed in claim 2 a kind of on-Line Monitor Device of collection insulator ambient temperature and humidity it is characterised in that benchmark
Voltage setting circuit includes voltage stabilizing chip LM2576, and the input of voltage stabilizing chip LM2576 connects 5V voltage, voltage stabilizing chip
The outfan of LM2576 is connected with the pin 10 of microprocessor, and thermosensitive resistor and circuit adopts NI120 sensor, NI120 sensor
Pin 1 be connected with the outfan of voltage stabilizing chip LM2576 by resistance ADR1.
4. as claimed in claim 2 a kind of on-Line Monitor Device of collection insulator ambient temperature and humidity it is characterised in that numeral
The pin 1 of formula humidity sensor sht15 is grounded, and pin 2 is connected with the pin 43 of single-chip microcomputer STM32F103C8T6 for data wire,
Pin 3 is connected with the pin 42 of single-chip microcomputer STM32F103C8T6, and pin 4 meets power supply VCC3.3V, is grounded after pin 5～8 parallel connection.
5. as claimed in claim 2 a kind of collection insulator ambient temperature and humidity on-Line Monitor Device it is characterised in that
The pin 11 of MAX232 chip is connected with the pin 30 of single-chip microcomputer STM32F103C8T6, the pin 12 of MAX232 chip and monolithic
The pin 31 of machine STM32F103C8T6 connects, and the pin 13 of MAX232 chip is connected with the pin 3 of USB interface, MAX232 chip
Pin 14 be connected with the pin 2 of USB interface, the pin 15 of MAX232 chip be connected with the pin 1 of USB interface after ground connection.
6. as claimed in claim 1 a kind of on-Line Monitor Device of collection insulator ambient temperature and humidity it is characterised in that first
Mu balanced circuit includes rheostat PR4, transient voltage suppressor diode PD2, electric capacity PC4, inductance PL2, electric capacity PC5, variable
Electric capacity PC1, resistance PR2 and LED P D3, rheostat PR4, transient voltage suppressor diode PD2 and electric capacity PC4 are simultaneously
The terminals of the external 24V in one end lithium battery after connection, the other end ground connection after parallel connection, one end external 24V lithium battery of inductance PL2 connects
Line terminals, the other end is grounded after being concatenated with electric capacity PC5, and variable capacitance PC1 is in parallel with electric capacity PC5, the terminal voltage of variable capacitance PC1
It is output voltage 24V, resistance PR2 is grounded after being connected with LED P D3.
7. as claimed in claim 1 a kind of collection insulator ambient temperature and humidity on-Line Monitor Device it is characterised in that 5V is electric
Source circuit includes voltage stabilizing chip LM2596, the external 24V voltage of pin 1 of voltage stabilizing chip LM2596, pin 2 respectively with diode D3
Negative pole and one end of inductance L1 connect, pin 3 and pin 5 are connected with the positive pole of diode D3 after connecting respectively, pin 1 with draw
Variable capacitance C1 is concatenated, pin 4 exports 5V IN voltage, pin 4 other end and the variable capacitance with inductance L1 respectively between foot 3
One end of C4 connects, and electric capacity C7 is connected in parallel with variable capacitance C4.
8. as claimed in claim 1 a kind of on-Line Monitor Device of collection insulator ambient temperature and humidity it is characterised in that first
Mu balanced circuit includes rheostat PR3, transient voltage suppressor diode PD1, electric capacity PC2, inductance PL1, electric capacity PC3, resistance
After PR1 and LED P D4, rheostat PR3, transient voltage suppressor diode PD1 and electric capacity PC2 parallel connection, one end is external
5V IN voltage, the other end ground connection after parallel connection, one end external 5V IN voltage of inductance PL1, after the other end is concatenated with electric capacity PC3
Ground connection, the terminal voltage of electric capacity PC3 is 5V voltage, and resistance PR1 is grounded after being connected with LED P D4.
9. as claimed in claim 1 a kind of on-Line Monitor Device of collection insulator ambient temperature and humidity it is characterised in that 3.3V
Power circuit includes voltage stabilizing chip AMS1117, the external 5V voltage of pin 3 of voltage stabilizing chip AMS1117, and pin 1 is grounded, pin 3
Be serially connected with electric capacity C5 and pin 1 between, variable capacitance C2 is in parallel with electric capacity C5, pin 2 exports VCC 3.3V voltage, pin 2 with
It is serially connected with electric capacity C6, variable capacitance C3 is connected in parallel with electric capacity C6 between pin 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993940.XU CN205981295U (en) | 2016-08-30 | 2016-08-30 | Gather on -line monitoring device of insulator environment humiture |
Applications Claiming Priority (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724193A (en) * | 2018-06-29 | 2018-11-02 | 南京航空航天大学 | A kind of multi-joint bio-robot control system |
| CN109142989A (en) * | 2018-06-14 | 2019-01-04 | 中国电力科学研究院有限公司 | Super UHV transmission line composite insulator live-working safety appraisal procedure |
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2016
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142989A (en) * | 2018-06-14 | 2019-01-04 | 中国电力科学研究院有限公司 | Super UHV transmission line composite insulator live-working safety appraisal procedure |
| CN109142989B (en) * | 2018-06-14 | 2021-07-13 | 中国电力科学研究院有限公司 | Live-line work safety assessment method for composite insulator of ultra-high voltage transmission line |
| CN108724193A (en) * | 2018-06-29 | 2018-11-02 | 南京航空航天大学 | A kind of multi-joint bio-robot control system |
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