CN104897337A - Surface wind pressure gauge for transmission conductor - Google Patents
Surface wind pressure gauge for transmission conductor Download PDFInfo
- Publication number
- CN104897337A CN104897337A CN201510384028.4A CN201510384028A CN104897337A CN 104897337 A CN104897337 A CN 104897337A CN 201510384028 A CN201510384028 A CN 201510384028A CN 104897337 A CN104897337 A CN 104897337A
- Authority
- CN
- China
- Prior art keywords
- wind pressure
- module
- protective housing
- transmission pressure
- airtight protective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a surface wind pressure gauge for a transmission conductor, which comprises an airtight protection shell and a wind pressure measuring device; the airtight protection shell is provided with a plurality of air inlets; the wind pressure measuring device is fixed in the airtight protection shell and comprises a wind pressure sensing module, a circuit control module, a wireless communication module and a power management module; the circuit control module is respectively connected with the wind pressure sensing module, the wireless communication module and the power management module; the wind pressure sensing module comprises a pressure stabilizing box and a plurality of wind pressure sensors each of which comprises a first air inlet and a second air inlet; the first air inlets are connected with the pressure stabilizing box by guide pipes and the second air inlets are connected with the air inlets of the airtight protection shell by guide pipes. The surface wind pressure gauge adopts a pressure difference measuring manner, can measure the stress condition of a section of a conductor or an ice-coated conductor during galloping in real time, and provides reliable data support for research of a galloping mechanism of the transmission conductor and the development of an anti-galloping device.
Description
Technical field
The present invention relates to power transmission and transforming equipment on-line monitoring technique field, particularly relate to a kind of transmission pressure Pressures measuring instrument based on pressure difference sensor.
Background technology
In project of transmitting and converting electricity, transmission line of electricity many places are in outdoor environment, and the impact of by wind factor, transmission pressure unavoidably brandishing occurs.Galloping of Overhead Transmission Line is the key factor threatening transmission line of electricity safe operation, may produce many-sided harm such as such as tripping operation, wire arc burn, gold utensil damage, wire strand breakage, broken string, transmission tower collapse time serious, these accidents all can cause great economic loss and social influence.
At present, those skilled in the art go back imperfection for the research of Galloping of Overhead Transmission Line mechanism, can not explain occurred all kinds of brandishings.Once there is thin (nothing) ice coating wire when wind direction and line alignment are 20 ° ~ 30 ° of angles and waved and corona brandishing in such as actual transmission line of electricity, cannot explain this type of phenomenon by traditional Den Hartog or O Nigol theory.And there are problems based on the anti-dancing device of traditional Galloping of Overhead Transmission Line Theoretical Design, anti-dance effect is often not ideal enough, and the such as wind field of wind tunnel test simulation residing for transmission pressure greatly differs from each other with actual conditions, for analyzing the very large deficiency of conductor galloping existence.
In sum, in order to avoid the harm that Galloping of Overhead Transmission Line brings, that must improve transmission pressure further waves mechanism, to design more reasonable effective anti-dancing device.Therefore true stressing conditions during Real-Time Monitoring conductor galloping, for theoretical research provides Data support, is prerequisite and the basis of fully improving Galloping of Overhead Transmission Line theory.
Summary of the invention
The invention provides a kind of transmission pressure Pressures measuring instrument, under the effect of remote control terminal, can the stressing conditions in cross section when measure traverse line or ice coating wire are waved in real time, for transmission pressure wave study mechanism and anti-dance device development provides reliable Data support.
For achieving the above object, the technical solution used in the present invention is:
Transmission pressure Pressures measuring instrument, comprise airtight protective housing and wind pressure measuring meter, described airtight protective housing is provided with several air admission holes, described wind pressure measuring meter is fixed in airtight protective housing, wind pressure measuring meter comprises blast sensing module, circuit control module, wireless communication module and power management module, circuit control module connects blast sensing module respectively, wireless communication module and power management module, power management module is blast sensing module, circuit control module and wireless communication module are powered, described blast sensing module comprises voltage stabilizing box and several wind pressure sensors, each wind pressure sensor comprises the first air intake opening and the second air intake opening, first air intake opening is connected with voltage stabilizing box by conduit, second air intake opening is connected by the air admission hole of conduit with airtight protective housing.
Described airtight protective housing is semi-cylindrical, and the lower plane of airtight protective housing is fixed on transmission pressure, and airtight protective housing is respectively arranged with several air admission holes along in the circumference vertical with transmission pressure.
Described airtight protective housing lower plane is provided with wire storage tank, and the cell body both sides of wire storage tank are provided with bolt hole, and airtight protective housing utilizes being bolted on transmission pressure through cell body both sides.
Described power module comprises solar battery cell, rechargeable battery cell and charge management circuit; the input end of charge management circuit connects the output terminal of solar battery cell; the output terminal of charge management circuit connects the input end of rechargeable battery cell; rechargeable battery cell comprises 3.3V voltage cell and 5V voltage cell, and solar battery cell is fixed on the transmission pressure of airtight protective housing side.
Described wind pressure sensor adopts high precision silicon piezoresistive pressure sensor.
Described wireless communication module adopts ZigBee embedded radio communication unit.
Transmission pressure Pressures measuring instrument provided by the invention, adopt the metering system of differential pressure, by the pressure of measurement voltage stabilizing box and the pressure reduction of wind pressure sensor and voltage stabilizing box, realize the wind pressure on real-time measure traverse line or ice coating wire surface, finally transfer data to remote control terminal, for further theoretical analysis and research provide support.
Accompanying drawing explanation
Fig. 1 of the present inventionly installs and uses schematic diagram;
Fig. 2 is the position view of the enterprising pore of airtight protective housing in the embodiment of the present invention;
Fig. 3 is the theory diagram of transmission pressure Pressures measurement mechanism of the present invention;
Fig. 4 is the connection diagram of wind pressure sensor of the present invention and voltage stabilizing box.
Embodiment
As shown in Figure 1 to Figure 3, transmission pressure Pressures measuring instrument 1 of the present invention is installed on the diverse location place of transmission pressure 3 between shaft tower 2, can wave the Pressures of wire in the true wind field of Real-Time Monitoring.
Transmission pressure Pressures measuring instrument 1 comprises airtight protective housing 6 and transmission pressure Pressures measurement mechanism; airtight protective housing 6 is in semi-cylindrical; namely the diameter along bottom cylindrical face is cut open rear horizontal; airtight protective housing 6 is close to the shape of wire or ice coating wire; can reflect more realistically to a certain extent and play the effect of dustproof and waterproof by the blast that transmission pressure 3 surface accepts simultaneously.The lower plane of airtight protective housing 6 is provided with wire storage tank 5, and the cell body both sides of wire storage tank 5 are provided with bolt hole, and utilizing bolt to pass cell body both sides can be fixed on the lower plane of airtight protective housing 6 on transmission pressure 3.Airtight protective housing 6, along the circumference vertical with transmission pressure 3 being arranged respectively 8 air admission holes 4, can detect the wind-force blown to from multiple directions conductor cross-section, makes measurement data more comprehensively, accurately.
Transmission pressure Pressures measurement mechanism is fixed in airtight protective housing 6; transmission pressure Pressures measurement mechanism comprises blast sensing module, circuit control module, wireless communication module and power management module; circuit control module connects blast sensing module, wireless communication module and power management module respectively, and power management module is that blast sensing module, circuit control module and wireless communication module are powered.The present embodiment Wind pressure sensing module comprises voltage stabilizing box 9 and 8 wind pressure sensors 7; each wind pressure sensor 7 includes the first air intake opening and the second air intake opening; first air intake opening is connected with voltage stabilizing box 9 by conduit 8a; one end of second air intake opening connecting duct 8b, the conduit 8b other end is fixed in the air admission hole 4 of airtight protective housing 6.Above-mentioned wind pressure sensor 7 adopts high precision silicon piezoresistive pressure sensor, adopt the metering system of differential pressure, the stable air pressure reference environment utilizing voltage stabilizing box 9 to provide, and with the difference of wire or ice coating wire Pressures, realize the real-time measurement of transmission pressure 3 Pressures, and ensure that measurement result is more accurate.
Power module can provide galvanic current source, in the present embodiment, power module comprises solar battery cell, lithium cell charging unit and charge management circuit, the input end of charge management circuit connects the output terminal of solar battery cell, the output terminal of charge management circuit connects the input end of lithium cell charging unit, lithium cell charging unit comprises 3.3V voltage cell and 5V voltage cell, is respectively wind pressure sensor 7 and control circuit is powered.Wherein, the cell panel of solar battery cell is fixed on the transmission pressure 3 of airtight protective housing 6 side.The present embodiment adopts charged lithium cells and solar cell to work in coordination with the pattern of power supply, can meet the work of transmission pressure Pressures measurement mechanism long-term stability, eliminate daily servicing, save human cost.
Wireless communication module of the present invention adopts embedded radio communication unit, by carrying out star-like networking to ZigBee to avoid mutual interference, guarantee internodal working alone, add the stability of system, achieve the object of arranging multiple measuring point on a wire, thus more fully grasp the stressing conditions at diverse location place when transmission pressure 3 is waved.
Principle of work of the present invention is: diverse location place transmission pressure Pressures measuring instrument being installed on respectively transmission pressure 3 in true wind field, under normal mode, wireless communication module receives the instruction that remote control terminal is sent, and the sample frequency of wind pressure sensor 7 is controlled by circuit control module, the sampled data of wind pressure sensor 7 outputs to circuit control module, and then be sent to remote control terminal by wireless communication module, be converted to corresponding wind pressure value after treatment, analyze for staff; Under off-order mode, remote control terminal controls wireless communication module and stops transmission data, enters dormant state.Wherein, by changing the sample frequency of wind pressure sensor 7, the precision of transmission pressure 3 Pressures measured value can be controlled; By controlling dormancy and the work of wireless communication module, the effective rate of utilization of the energy can be reached maximization, realizing energy-conservation object.Dependable performance of the present invention, easy for installation, the stressing conditions in cross section when wire or ice coating wire are waved can be detected in real time, so for transmission pressure 3 wave study mechanism and anti-dance device development provides reliable Data support.
Claims (6)
1. transmission pressure Pressures measuring instrument, it is characterized in that: comprise airtight protective housing and wind pressure measuring meter, described airtight protective housing is provided with several air admission holes, described wind pressure measuring meter is fixed in airtight protective housing, wind pressure measuring meter comprises blast sensing module, circuit control module, wireless communication module and power management module, circuit control module connects blast sensing module respectively, wireless communication module and power management module, power management module is blast sensing module, circuit control module and wireless communication module are powered, described blast sensing module comprises voltage stabilizing box and several wind pressure sensors, each wind pressure sensor comprises the first air intake opening and the second air intake opening, first air intake opening is connected with voltage stabilizing box by conduit, second air intake opening is connected by the air admission hole of conduit with airtight protective housing.
2. transmission pressure Pressures measuring instrument as claimed in claim 1; it is characterized in that: described airtight protective housing is semi-cylindrical; the lower plane of airtight protective housing is fixed on transmission pressure, and airtight protective housing is respectively arranged with several air admission holes along in the circumference vertical with transmission pressure.
3. transmission pressure Pressures measuring instrument as claimed in claim 2; it is characterized in that: described airtight protective housing lower plane is provided with wire storage tank; the cell body both sides of wire storage tank are provided with bolt hole, and airtight protective housing utilizes being bolted on transmission pressure through cell body both sides.
4. transmission pressure Pressures measuring instrument as claimed in claim 3; it is characterized in that: described power module comprises solar battery cell, rechargeable battery cell and charge management circuit; the input end of charge management circuit connects the output terminal of solar battery cell; the output terminal of charge management circuit connects the input end of rechargeable battery cell; rechargeable battery cell comprises 3.3V voltage cell and 5V voltage cell, and solar battery cell is fixed on the transmission pressure of airtight protective housing side.
5. transmission pressure Pressures measuring instrument as claimed in claim 4, is characterized in that: described wind pressure sensor adopts high precision silicon piezoresistive pressure sensor.
6. transmission pressure Pressures measuring instrument as claimed in claim 5, is characterized in that: described wireless communication module adopts ZigBee embedded radio communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384028.4A CN104897337A (en) | 2015-07-03 | 2015-07-03 | Surface wind pressure gauge for transmission conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384028.4A CN104897337A (en) | 2015-07-03 | 2015-07-03 | Surface wind pressure gauge for transmission conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104897337A true CN104897337A (en) | 2015-09-09 |
Family
ID=54030143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510384028.4A Pending CN104897337A (en) | 2015-07-03 | 2015-07-03 | Surface wind pressure gauge for transmission conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104897337A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727303A (en) * | 2017-10-26 | 2018-02-23 | 国网福建省电力有限公司 | A kind of Portable wind pressure sensor device |
| CN110661224A (en) * | 2019-10-10 | 2020-01-07 | 国网辽宁省电力有限公司丹东供电公司 | A stockbridge damper for overhead transmission line wind load monitoring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526412A (en) * | 2009-03-26 | 2009-09-09 | 浙江大学 | Wind speed and pressure wireless detecting system of space structure building powered by solar energy |
| JP2010091531A (en) * | 2008-10-10 | 2010-04-22 | Nippon Ceramic Co Ltd | Fine atmospheric pressure sensor |
| US20100242617A1 (en) * | 2004-10-18 | 2010-09-30 | Silverbrook Research Pty Ltd | Air pressure sensor with temperature compensation |
| KR20140055101A (en) * | 2012-10-30 | 2014-05-09 | 한전케이디엔주식회사 | Monitoring apparatus and manegement system of power transmission line using load cell |
| CN204855082U (en) * | 2015-07-03 | 2015-12-09 | 国网河南省电力公司电力科学研究院 | Transmission pressure surface wind pressure measuring apparatu |
-
2015
- 2015-07-03 CN CN201510384028.4A patent/CN104897337A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100242617A1 (en) * | 2004-10-18 | 2010-09-30 | Silverbrook Research Pty Ltd | Air pressure sensor with temperature compensation |
| JP2010091531A (en) * | 2008-10-10 | 2010-04-22 | Nippon Ceramic Co Ltd | Fine atmospheric pressure sensor |
| CN101526412A (en) * | 2009-03-26 | 2009-09-09 | 浙江大学 | Wind speed and pressure wireless detecting system of space structure building powered by solar energy |
| KR20140055101A (en) * | 2012-10-30 | 2014-05-09 | 한전케이디엔주식회사 | Monitoring apparatus and manegement system of power transmission line using load cell |
| CN204855082U (en) * | 2015-07-03 | 2015-12-09 | 国网河南省电力公司电力科学研究院 | Transmission pressure surface wind pressure measuring apparatu |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727303A (en) * | 2017-10-26 | 2018-02-23 | 国网福建省电力有限公司 | A kind of Portable wind pressure sensor device |
| CN110661224A (en) * | 2019-10-10 | 2020-01-07 | 国网辽宁省电力有限公司丹东供电公司 | A stockbridge damper for overhead transmission line wind load monitoring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203908712U (en) | Online stress-monitoring system used for power line tower | |
| CN201229214Y (en) | Tensile force monitoring device for ice-coated powerline on-line monitoring system | |
| CN203759052U (en) | Microclimate ultrasonic wind speed and direction sensor for power transmission lines | |
| CN202928615U (en) | Transmission tower strain and vibration health status on-line monitoring and remote surveillance system | |
| CN206695827U (en) | Electric power line pole tower condition monitoring system | |
| CN103499300A (en) | Conducting wire icing on-line monitoring device and method based on OPGW (optical fiber composite overhead ground wire) optical fiber | |
| CN201044000Y (en) | Portable near ground wind speed profile instrument | |
| CN103389417A (en) | Data monitoring and acquiring device of small photovoltaic power generation system | |
| CN205333828U (en) | Aerogenerator battery on -line monitoring system | |
| CN104950189A (en) | Measuring probe for optical fiber power-frequency high-voltage electric field | |
| CN104897337A (en) | Surface wind pressure gauge for transmission conductor | |
| CN205246243U (en) | Transmission line temperature on -line monitoring system | |
| CN204855082U (en) | Transmission pressure surface wind pressure measuring apparatu | |
| CN202485714U (en) | Power transmission line icing on-line monitoring system | |
| CN206223727U (en) | The lossless telemetering equipment of overhead ground wire electromagnetism | |
| CN203385784U (en) | Contactless electroscope used for electric power maintenance operation | |
| CN203464994U (en) | Novel overhead power transmission line galloping monitoring device | |
| CN202793450U (en) | Data monitoring and acquiring device for small photovoltaic power generation system | |
| CN207396660U (en) | A kind of lightning protection resistor intelligent monitoring device | |
| CN203705534U (en) | On-line monitoring device for lightning current of overhead transmission line | |
| CN206450257U (en) | A kind of high-tension line shaft tower monitoring warning device in serious natural calamity weather | |
| CN202904042U (en) | Solar cell matrix environmental data acquisition unit | |
| CN202158850U (en) | Electric power pylon pole dip angle measuring device | |
| CN211527476U (en) | Insulator damage sensing system | |
| CN208918756U (en) | Wind turbines test macro |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |
|
| RJ01 | Rejection of invention patent application after publication |