CN207407811U - A kind of cable displacement deformation system for measuring quantity - Google Patents
A kind of cable displacement deformation system for measuring quantity Download PDFInfo
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- CN207407811U CN207407811U CN201721468075.8U CN201721468075U CN207407811U CN 207407811 U CN207407811 U CN 207407811U CN 201721468075 U CN201721468075 U CN 201721468075U CN 207407811 U CN207407811 U CN 207407811U
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- measuring quantity
- deformation system
- displacement deformation
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 230000000930 thermomechanical effect Effects 0.000 abstract description 13
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model provides a kind of cable displacement deformation system for measuring quantity, it includes CPU, display module, communication module, key-press module, AD conversion module, filter module, slide rheostat and 5V high precision DC power supplies, the variation of the cable displacement deformation system for measuring quantity monitoring load and temperature, according to the variation of radius of curvature value and load and the relation of temperature, draw actual due radius of curvature value R0, compared with the radius of curvature R of actual measurement, if R is less than R0, show to have occurred and that conductor ejects phenomenon at the terminal.The utility model proposes the systems that a kind of parameters such as deformation, displacement generated to cable in operation are measured, analyzed, it finds in time due to unusual condition caused by thermomechanical effect, it takes measures to reduce the probability that cable failure caused by thermomechanical effect occurs, reduce the heavy losses brought by cable fault, improve cable reliability of operation.
Description
Technical field
The utility model belongs to cable monitoring technical field, more particularly to a kind of cable displacement deformation system for measuring quantity.
Background technology
The problem of thermomechanical effect is inevitable in Voltage Cable Lines Construction development and application, the event that thermomechanical effect induces
Barrier has become one of major failure reason of high-tension cable.Cable bending under the action of thermomechanical effect will occurs and become repeatedly
Shape makes cable metal sheath generate repeated strain, causes the loss of cable body and its attachment, and power failure occurs.Particularly
Increasing with the selection of the cross-section of cable, voltage class is higher and higher, and thermomechanical effect caused by cable also will increasingly
Greatly, if not taking effective counter-measure, cable arch camber, displacement, undue bending even damage cable can be caused.In order to subtract
Harm of the small thermomechanical effect to cable reduces cable fault rate, provides cable safe and stable operation level, studies thermomechanical effect
Should be very necessary.
Theoretically thermomechanical effect can not possibly take measures to completely eliminate in construction, it exists always in operation, mesh
Before, there is no the researchs and corresponding device achievement being monitored to running thermomechanical effect both at home and abroad.
Utility model content
In order to which the presence for finding thermomechanical effect in time avoids it from causing cable fault, the utility model proposes one kind to fortune
The system that the parameters such as deformation, the displacement that cable generates in row are measured, analyzed is found due to caused by thermomechanical effect in time
Unusual condition takes measures to reduce the probability that cable failure caused by thermomechanical effect occurs, reduce because cable fault is brought
Heavy losses, improve cable reliability of operation.
The utility model is specially a kind of cable displacement deformation system for measuring quantity, the cable displacement deformation system for measuring quantity
Including CPU, display module, communication module, key-press module, AD conversion module, filter module, slide rheostat and 5V high-precisions
DC power supply, the CPU are bi-directionally connected respectively with the communication module and the AD conversion module, and the key-press module is connected to
The CPU, the CPU are connected to the display module, and the filter module is connected to the AD conversion module；The filtering mould
The slide plate C, the slide plate C that the anode of block is also connected to the slide rheostat are connected by rigid rod with cable bend point, institute
The cathode for stating filter module is also connected to the first end A ends of the slide rheostat；The first end A ends of the slide rheostat connect
It is connected to the cathode of the 5V high precision DC power supplies, it is straight that the second end B ends of the slide rheostat are connected to the 5V high-precisions
The anode in galvanic electricity source；The filter module is low-pass filter, is moved suddenly for anti-slip limiting plate, the voltage at AC both ends is trembled suddenly
It is dynamic high-frequency AC components occur and influence measurement accuracy；The communication module is used to pass the cable deformational displacement data measured
To operating terminal, and then for cable deformation fault distinguishing.The cable displacement deformation system for measuring quantity monitoring load and temperature
The variation of degree according to the variation of radius of curvature value and load and the relation of temperature, draws actual due radius of curvature value R0, with
The radius of curvature R of actual measurement compares, if R is less than R0, shows to have occurred and that conductor ejects phenomenon at the terminal.
Further, the slide rheostat is the high-precision slide rheostat of 0~1000mm of sliding scale.
Further, the CPU uses 32 bit processors based on Cortex-M3 of STMicw Electronics
For STM32F103ZET6 as Master control chip, working frequency reaches 72MHz, operating voltage 2.0V to 3.6V.
Further, the AD conversion module uses with 8 paths and supports serial and concurrent reading manner
AD7606 chips.
Further, the display module uses lattice type LCD.
Further, the communication module is communicated using RS485 fieldbus forms.
Further, the cable displacement deformation system for measuring quantity is by measuring the first end A of slide plate C and slide rheostat
Voltage between end judges whether rigid rod moves, so as to judge whether cable bends and cable is relatively original
The curved specific length of state.
Description of the drawings
Fig. 1 is a kind of structure composition schematic diagram of cable displacement deformation system for measuring quantity of the utility model.
Specific embodiment
A kind of specific embodiment of power cable device for monitoring and analyzing of the utility model is done in detail below in conjunction with the accompanying drawings
It illustrates.
As shown in Figure 1, the cable displacement deformation system for measuring quantity of the utility model includes CPU, display module, communication mould
Block, key-press module, AD conversion module, filter module, slide rheostat and 5V high precision DC power supplies, the CPU respectively with
The communication module and the AD conversion module are bi-directionally connected, and the key-press module is connected to the CPU, and the CPU is connected to
The display module, the filter module are connected to the AD conversion module；The anode of the filter module is also connected to described
The slide plate C, the slide plate C of slide rheostat are connected by rigid rod with cable bend point, and the cathode of the filter module also connects
It is connected to the first end A ends of the slide rheostat；The first end A ends of the slide rheostat are connected to the 5V High-accuracy direct currents
The cathode of power supply, the second end B ends of the slide rheostat are connected to the anode of the 5V high precision DC power supplies；The filtering
Module is low-pass filter, is moved suddenly for anti-slip limiting plate, the shake suddenly of the voltage at AC both ends there are high-frequency AC components and
Influence measurement accuracy；The communication module is used to the cable deformational displacement data measured reaching operating terminal, and then is used for
Cable deformation fault distinguishing.
The variation of cable displacement deformation system for measuring quantity monitoring load and temperature, according to the variation of radius of curvature value with
The relation of load and temperature draws actual due radius of curvature value R0, compared with the radius of curvature R of actual measurement, if R is less than
R0 then shows to have occurred and that conductor ejects phenomenon at the terminal.
The slide rheostat is the high-precision slide rheostat of 0~1000mm of sliding scale.
The CPU is using the 32 bit processor STM32F103ZET6 based on Cortex-M3 of STMicw Electronics as master control
Coremaking piece, working frequency reach 72MHz, operating voltage 2.0V to 3.6V.
The AD conversion module uses with 8 paths and supports the AD7606 chips of serial and concurrent reading manner.
The display module uses lattice type LCD.
The communication module is communicated using RS485 fieldbus forms.
The cable displacement deformation system for measuring quantity is by measuring between slide plate C and the first end A ends of slide rheostat
Voltage judges whether rigid rod moves, so as to judge whether cable bends and cable is bent with respect to original state
Specific length.
Finally it should be noted that only illustrating the technical solution of the utility model with reference to above-described embodiment rather than it being limited
System.Those of ordinary skills in the art should understand that those skilled in the art can be to the specific implementation of the utility model
Mode is modified or replaced equivalently, but these modifications or change are among pending claims are applied for.
Claims (6)
1. a kind of cable displacement deformation system for measuring quantity, which is characterized in that the cable displacement deformation system for measuring quantity includes
CPU, display module, communication module, key-press module, AD conversion module, filter module, slide rheostat and 5V High-accuracy direct currents
Power supply, the CPU are bi-directionally connected respectively with the communication module and the AD conversion module, and the key-press module is connected to described
CPU, the CPU are connected to the display module, and the filter module is connected to the AD conversion module；The filter module
The slide plate C, the slide plate C that anode is also connected to the slide rheostat are connected by rigid rod with cable bend point, the filter
The cathode of ripple module is also connected to the first end A ends of the slide rheostat；The first end A ends of the slide rheostat are connected to
The cathode of the 5V high precision DC power supplies, the second end B ends of the slide rheostat are connected to the 5V High-accuracy direct currents electricity
The anode in source；The filter module is low-pass filter, is moved suddenly for anti-slip limiting plate, the voltage at AC both ends is shaken suddenly
Show high-frequency AC components and influence measurement accuracy；The communication module is used to the cable deformational displacement data measured reaching behaviour
Make terminal, and then for cable deformation fault distinguishing；
The variation of the cable displacement deformation system for measuring quantity monitoring load and temperature, according to the variation of radius of curvature value and load
And the relation of temperature, draw actual due radius of curvature value R0, compared with the radius of curvature R of actual measurement, if R is less than R0,
Show to have occurred and that conductor ejects phenomenon at the terminal.
A kind of 2. cable displacement deformation system for measuring quantity according to claim 1, which is characterized in that the slide rheostat
For the high-precision slide rheostat of 0~1000mm of sliding scale.
3. a kind of cable displacement deformation system for measuring quantity according to claim 1, which is characterized in that the CPU is using meaning
As Master control chip, working frequency reaches the 32 bit processor STM32F103ZET6 based on Cortex-M3 of method semiconductor
72MHz, operating voltage 2.0V to 3.6V.
A kind of 4. cable displacement deformation system for measuring quantity according to claim 1, which is characterized in that the AD conversion module
Using the AD7606 chips with 8 paths and the serial and concurrent reading manner of support.
5. a kind of cable displacement deformation system for measuring quantity according to claim 1, which is characterized in that the display module is adopted
Use lattice type LCD.
6. a kind of cable displacement deformation system for measuring quantity according to claim 1, which is characterized in that the communication module is adopted
It is communicated with RS485 fieldbus forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721468075.8U CN207407811U (en) | 2017-11-07 | 2017-11-07 | A kind of cable displacement deformation system for measuring quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721468075.8U CN207407811U (en) | 2017-11-07 | 2017-11-07 | A kind of cable displacement deformation system for measuring quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207407811U true CN207407811U (en) | 2018-05-25 |
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ID=62318218
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721468075.8U Active CN207407811U (en) | 2017-11-07 | 2017-11-07 | A kind of cable displacement deformation system for measuring quantity |
Country Status (1)
| Country | Link |
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| CN (1) | CN207407811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941136A (en) * | 2017-11-07 | 2018-04-20 | 国网江苏省电力公司盐城供电公司 | A kind of cable displacement deformation system for measuring quantity |
| CN112706000A (en) * | 2020-12-16 | 2021-04-27 | 珠海格力智能装备有限公司 | Error measuring device and screw rod assembly with same |
-
2017
- 2017-11-07 CN CN201721468075.8U patent/CN207407811U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941136A (en) * | 2017-11-07 | 2018-04-20 | 国网江苏省电力公司盐城供电公司 | A kind of cable displacement deformation system for measuring quantity |
| CN107941136B (en) * | 2017-11-07 | 2024-07-19 | 国网江苏省电力公司盐城供电公司 | Cable displacement deflection measuring system |
| CN112706000A (en) * | 2020-12-16 | 2021-04-27 | 珠海格力智能装备有限公司 | Error measuring device and screw rod assembly with same |
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