CN202712977U - Transmission line on-line monitoring equipment power supply device - Google Patents
Transmission line on-line monitoring equipment power supply device Download PDFInfo
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- CN202712977U CN202712977U CN 201220300788 CN201220300788U CN202712977U CN 202712977 U CN202712977 U CN 202712977U CN 201220300788 CN201220300788 CN 201220300788 CN 201220300788 U CN201220300788 U CN 201220300788U CN 202712977 U CN202712977 U CN 202712977U
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Abstract
The utility model discloses a transmission line on-line monitoring equipment power supply device. The power supply device includes: an energy conversion module for converting the hydraulic energy into an alternating-current voltage source; a power supply conversion module for converting the alternating-current voltage source into a transmission line on-line monitoring equipment power supply and a vibration reducing system direct-current power supply at the same time; a magnetorheological fluid vibration reducing module for reducing the vibration of the energy conversion module; a noise reducing module for reducing the noise of the energy conversion module; and an anti-theft bolt module for preventing the whole device from being stolen. The power supply device provided in the utility model is a transmission line on-line monitoring equipment power supply device having new ideas. According to the technology, the reliability of the power supply of the transmission line on-line monitoring equipment is greatly improved, the vibration and the environmental noise pollution are reduced, and the development of the transmission line on-line monitoring technology is facilitated.
Description
Technical field
The utility model relates to the power transmission state monitoring technical field, particularly a kind of supply unit of transmission line on-line monitoring equipment.
Background technology
Both at home and abroad electrical network is subjected to the impact of macroclimate and mima type microrelief, microclimate condition, and the accidents such as damage to crops caused by thunder, ice trouble, bird pest, flood happen occasionally.Cause wire, steel tower, insulator and gold utensil to bring in various degree mechanical failure, caused broken string when serious and fall shaft tower, caused large area blackout.Therefore for effectively controlling the transmission line running status and in time taking effective measures, transmission line on-line monitoring and state estimation technology have obtained significant progress.Yet when transmission line was carried out on-line monitoring, it was one of key issue that its power supply is supplied with.Because of various transducers and signal transmitting unit all near overhead wire, can not use conventional power supply.Power work has also proposed very high request to reliability in the open air simultaneously.Online supply power mode relatively more commonly used has at present: adopt solar panels power supply, laser powered sensor and instrument transformer to get energy etc.
(1) solar panels power supply.In the situation that illumination is arranged, solar panels simultaneously power to the load, and one in the face of charge in batteries, is powered to the load by storage battery at cloudy day or night.Its power output is restricted by illumination and solar panels area.Because the supplying cell plate is bulky, be unfavorable for installing, and be subject to climatic influences, under the rainy foggy weather conditions in south, be not suitable for online equipment.
(2) laser energy-provision way.Utilize power laser generator luminous at low-pressure end, by optical fiber luminous energy is transferred to high-pressure side, utilize photocell that transform light energy is electric energy at high-pressure side, be the high-pressure side power devices, this mode is subject to the geographical conditions restriction, and (ultra-high-tension power transmission line is many through the mountain area, forest etc., need to increase in addition low-pressure end), and equipment is complicated, and conversion cost is high, and efficient and power are lower.Thereby this supply power mode fails to be widely used in the overhead transmission line out of doors.
(3) voltage transformer is got energy.There is radially-arranged alternating electric field around the ultra-high-tension power transmission line, rely on all spatial distribution electric capacity of ring or direct-to-ground capacitance, can intercept and capture certain electric field energy by capacitance partial pressure, the method considers to insulate, all press, seal the problems such as electric leakage because of need, be subjected to surrounding environment influence apparent in view, fail to be used widely.
(4) current transformer is got energy.By current transformer induction energy fetching mode, it is a kind of comparatively novel energy mode of getting.As adopt from transmission line current transformer get can the time, obtain energy by transmission line overcoat magnetic conductor electromagnetic induction.Because the transmission line current fluctuation is very large, current transformer is got, and to mainly contain two problems be when primary current is too small, can not obtain enough energy, and instrument transformer is got can the dead band, perhaps when primary current was excessive, high-pressure sharp pulse caused each device of secondary and disturbs and damage.
Therefore for the shortcoming of the present technology of appeal, the utility model has proposed a kind of supply unit of transmission line on-line monitoring equipment under National 863 planning item fund (2012AA050209) is subsidized.
The utility model content
The purpose of this utility model is to utilize the hydraulic electricity generation technology that power supply and the device damping field power supply of reliable and stable transmission line on-line monitoring equipment are provided, adopt the magnetic flow liquid technology to carry out the damping of whole device, utilize baroque anti-theft screw to realize the theft protection for devices technology, the advanced sound-absorbing material of employing reduces the noise level of whole device, and the supply unit of a kind of transmission line on-line monitoring equipment that a kind of reliability is high, vibration is little, noise is little is provided.
For realizing above purpose, the utility model has been taked following technical scheme: a kind of supply unit of transmission line on-line monitoring equipment, comprise, be used for hydraulic energy is converted to the energy conversion module of alternating-current voltage source, be used for alternating-current voltage source is converted to simultaneously the power transfer module of transmission line on-line monitoring device power supply (DPS) and vibration insulating system DC power supply, magnetic current flowing deformation vibration-damping module for reducing the energy conversion module vibration, for reducing the noise reduction module of energy conversion module noise, be used for preventing the anti-theft bolt module that whole device is stolen.
Described energy conversion module comprises that the fuel tank, hydraulic flow adjuster valve, the hydraulic energy that connect successively by pipeline drive alternating current machine running module, hydraulic energy drives alternating current machine running module side and is provided with AC Electrical Machine Winding, and hydraulic energy drives between alternating current machine running module and the AC Electrical Machine Winding isolates by permanent magnet.
Described power transfer module comprises that the former limit of rectifier transformer winding, rectifier transformer secondary winding, rectifying valve consist of bridge circuit and piezo-resistance; Connect the AC power of AC Electrical Machine Winding output by cable, AC Electrical Machine Winding is accessed described rectifier transformer former limit winding and rectifier transformer secondary winding simultaneously; Described rectifier transformer secondary winding consists of bridge circuit with rectifying valve and is connected, and rectifier transformer secondary winding and rectifying valve consist of the bridge circuit two ends and access respectively piezo-resistance.
Described magnetic current flowing deformation vibration-damping module comprises cylinder barrel, magnetic flow liquid, coil, piston and vibrating sensor, coil and piston are built within the cylinder barrel, magnetic flow liquid fills and places between inner wall of cylinder, piston outer wall and coil (13) skin, piston is connected in the base plate of fixed power source modular converter and energy conversion module, vibrating sensor is distributed in the below of piston, thereby the Data Control power transfer module of utilizing vibrating sensor to measure is supplied with the size of coil power.
Described noise reduction module is that abatvoix, density board, solid sound-absorbing cloth, solid acoustical cotton and metal shell overlap to form successively from the inside to surface.
The open circles that has even distribution radius 4mm on the described abatvoix has the open circles of even distribution 12mm on the density board.
Described anti-theft bolt module is that the base plate with metal shell, fixed power source modular converter and energy conversion module utilizes anti-theft bolt to be fixed.
The utility model compared with prior art has following advantage: continuously reliably power supply is provided, has solved the power supply that the present solar panels technology that charges a battery brings because of the weather and climate environmental change and supplied with unsettled problem.The vibration of whole device that utilized the magnetic flow liquid Techniques For Reducing, improved the fail safe of whole device for mechanical performance, utilize the abatvoix of different aperture to reduce the noise of whole device, thereby reduced the pollution from environmental noise that the device operation brings, realized the antitheft of whole device by designing unconventional bolt technology.More present transmission line on-line monitoring device power supply (DPS) technology, whole supply unit setting height(from bottom) is low, has improved cost and the efficient of on-the-spot installation, maintenance.Therefore this technology has increased substantially stability and reliability that transmission line on-line monitoring device power supply (DPS) is supplied with, the inspection and maintenance problem of having avoided transmission line on-line monitoring equipment to stop using and bring because of power issue has been carried forward vigorously the development of transmission line on-line monitoring technique.
Description of drawings
Fig. 1 is the system principle of this device;
Fig. 2 is the energy conversion module schematic diagram;
Fig. 3 is the power transfer module schematic diagram;
Fig. 4 is magnetic current flowing deformation vibration-damping module principle figure;
Fig. 5 is the noise reduction module schematic diagram;
Fig. 6 is anti-theft bolt module principle figure.
Embodiment
Below in conjunction with the drawings and specific embodiments content of the present utility model is described in further details.
Embodiment:
See also shown in Figure 1ly, the utility model is by energy conversion module, power transfer module, magnetic current flowing deformation vibration-damping module, noise reduction module and anti-theft bolt module composition.Energy conversion module can be converted to alternating-current voltage source with hydraulic energy, the alternating-current voltage source that power transfer module produces energy conversion module is converted to transmission line on-line monitoring device power supply (DPS) and the output of vibration insulating system DC power supply simultaneously, the magnetic current flowing deformation vibration-damping module weakens the vibration that energy conversion module produces in conversion process of energy, noise reduction module reduces the noise that energy conversion module produces in conversion process of energy, the anti-theft bolt module can prevent that whole device is stolen.
See also shown in Figure 2, energy conversion module drives alternating current machine running module 3 by fuel tank 1, hydraulic flow adjuster valve 2, hydraulic energy and connects successively by pipeline 6, and hydraulic energy is driven alternating current machine running module 3 to employing permanent magnet 5 and AC Electrical Machine Winding 4 is isolated.Its technical characterstic is as follows:
1) frequency is 50Hz, and the frequency departure limit value is ± 0.2Hz;
2) the supply power voltage deviation is nominal voltage+7% ,-10%;
3) the total percent harmonic distortion 2.6% of voltage;
4) take a week as measuring period, all long-time flickering values are less than 1;
Fig. 3 is power transfer module, comprises that the former limit of rectifier transformer winding 7, rectifier transformer secondary winding 8, rectifying valve consist of bridge circuit 9 and piezo-resistance 10.Cross cable and connect AC Electrical Machine Winding 4 outputs; AC Electrical Machine Winding 4 is accessed simultaneously the secondary winding 8 of the former limit of rectifier transformer winding 7, rectifier transformer; rectifier transformer secondary winding 8 consists of bridge circuit 9 with rectifying valve and is connected; rectifier transformer secondary winding 8 and rectifying valve consist of bridge circuit 9 two ends and access respectively piezo-resistance 10, and the protection rectifying valve consists of bridge circuit 9 and avoids the overvoltage infringement.Its technical characterstic is as follows:
1, input ac voltage scope: 85～264V
2, output voltage 4.9～5.1V
3, output current 0～600mA
4, linear regulation 0.005～0.01
5, output ripple voltage 0.05～0.10
6, power conversion efficiency 64%～68%
Fig. 4 is that the magnetic current flowing deformation vibration-damping module comprises cylinder barrel 11, magnetic flow liquid 12, coil 13, piston 14 and vibrating sensor 15, coil 13 and piston 14 are built within the cylinder barrel 11, magnetic flow liquid 12 fills and places cylinder barrel 11 inwalls, between piston 14 outer walls and coil 13 skins, piston 14 is connected in the base plate of fixed power source modular converter and energy conversion module, piston 14 is used for the fuel tank 1 of fixed power source modular converter and energy conversion module, hydraulic flow adjuster valve 2, hydraulic energy drives alternating current machine running module 3, the AC Electrical Machine Winding 4 that connects successively, permanent magnet 5, the former limit of rectifier transformer winding 7, the secondary winding (8) of rectifier transformer, rectifying valve consists of bridge circuit 9 and piezo-resistance 10, vibrating sensor 15 is distributed in the below of piston 14, thereby the Data Control power transfer module of utilizing vibrating sensor 15 to measure is supplied with the size of coil power.Its technical characterstic is as follows:
1, carries out in real time vibration damping control
2, Low-voltage Low-power
3, have higher stability and durability
4, succinct mechanical structure
5, designed life is long
Fig. 5 is noise reduction module, by the abatvoix 16 of even distribution radius 4mm open circles, evenly the distribute density board 17 of 12mm open circles, solid sound-absorbing cloth 18, solid acoustical cotton 19 and metal shell 20 overlaps to form noise reduction module successively from the inside to surface.
To be the anti-theft bolt module utilize anti-theft bolt 22 to be fixed the base plate 21 of metal shell 20, fixed power source modular converter and energy conversion module to Fig. 6.
In sum, at first energy conversion module is converted to alternating-current voltage source with hydraulic energy, then utilize power transfer module that alternating-current voltage source is converted to transmission line on-line monitoring device power supply (DPS) and vibration insulating system DC power supply simultaneously, then the magnetic current flowing deformation vibration-damping module reduces the energy conversion module vibration, noise reduction module reduces the energy conversion module noise, realizes at last whole device anti-theft.
Technical indicator is:
1, the scope of application
The power supply of the AC/DC transmission line on-line monitoring equipment of 10kV-1100kV is supplied with
2, performance index
■ electric power output voltage: 5V;
The accurate in real time control of ■ vibration damping
■ noise: 20dB
The stability of ■ technical grade and durability
The electromechanical structure that ■ is succinct
■ operating temperature range :-50 ℃-+100 ℃
■ operating humidity range: 1%-100%
■ is suitable for height above sea level: below the 5000m.
■ complete machine useful life: more than 9 years.
Above-listed detailed description is that this embodiment limits claim of the present utility model for the specifying of the utility model possible embodiments, allly do not break away from the equivalence that the utility model does and implements or change,
All should be contained in the sharp scope of this case.
Claims (7)
1. the supply unit of a transmission line on-line monitoring equipment is characterized in that: comprises,
Be used for hydraulic energy is converted to the energy conversion module of alternating-current voltage source, be used for alternating-current voltage source is converted to simultaneously the power transfer module of transmission line on-line monitoring device power supply (DPS) and vibration insulating system DC power supply, magnetic current flowing deformation vibration-damping module for reducing the energy conversion module vibration, for reducing the noise reduction module of energy conversion module noise, be used for preventing the anti-theft bolt module that whole device is stolen.
2. the supply unit of a kind of transmission line on-line monitoring equipment according to claim 1, it is characterized in that: described energy conversion module comprises that the fuel tank (1), hydraulic flow adjuster valve (2), the hydraulic energy that connect successively by pipeline (6) drive alternating current machine running module (3), hydraulic energy drives alternating current machine running module (3) side and is provided with AC Electrical Machine Winding (4), and hydraulic energy drives between alternating current machine running module (3) and the AC Electrical Machine Winding (4) by permanent magnet (5) isolation.
3. the supply unit of a kind of transmission line on-line monitoring equipment according to claim 2 is characterized in that: described power transfer module comprises that the former limit of rectifier transformer winding (7), rectifier transformer secondary winding (8), rectifying valve consist of bridge circuit (9) and piezo-resistance (10); Connect the AC power of AC Electrical Machine Winding (4) output by cable, AC Electrical Machine Winding (4) is accessed the former limit of described rectifier transformer winding (7) and rectifier transformer secondary winding (8) simultaneously; Described rectifier transformer secondary winding (8) consists of bridge circuit (9) with rectifying valve and is connected, and rectifier transformer secondary winding (8) and rectifying valve consist of bridge circuit (9) two ends and access respectively piezo-resistance (10).
4. the supply unit of a kind of transmission line on-line monitoring equipment according to claim 1, it is characterized in that: described magnetic current flowing deformation vibration-damping module comprises cylinder barrel (11), magnetic flow liquid (12), coil (13), piston (14) and vibrating sensor (15), coil (13) and piston (14) are built within the cylinder barrel (11), magnetic flow liquid (12) fills and places cylinder barrel (11) inwall, between piston (14) outer wall and coil (13) skin, piston (14) is connected in the base plate of fixed power source modular converter and energy conversion module, vibrating sensor (15) is distributed in the below of piston (14), thereby the Data Control power transfer module of utilizing vibrating sensor (15) to measure is supplied with the size of coil power.
5. the supply unit of a kind of transmission line on-line monitoring equipment according to claim 1, it is characterized in that: described noise reduction module is that abatvoix (16), density board (17), solid sound-absorbing cloth (18), solid acoustical cotton (19) and metal shell (20) overlap to form successively from the inside to surface.
6. the supply unit of a kind of transmission line on-line monitoring equipment according to claim 5, it is characterized in that: have the open circles of even distribution radius 4mm on the described abatvoix (16), have the open circles of even distribution 12mm on the density board (17).
7. the supply unit of a kind of transmission line on-line monitoring equipment according to claim 1 is characterized in that: described anti-theft bolt module is that the base plate (21) with metal shell (20), fixed power source modular converter and energy conversion module utilizes anti-theft bolt (22) to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300788 CN202712977U (en) | 2012-06-25 | 2012-06-25 | Transmission line on-line monitoring equipment power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300788 CN202712977U (en) | 2012-06-25 | 2012-06-25 | Transmission line on-line monitoring equipment power supply device |
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| Publication Number | Publication Date |
|---|---|
| CN202712977U true CN202712977U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220300788 Expired - Lifetime CN202712977U (en) | 2012-06-25 | 2012-06-25 | Transmission line on-line monitoring equipment power supply device |
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| Country | Link |
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| CN (1) | CN202712977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904337A (en) * | 2012-06-25 | 2013-01-30 | 中国南方电网有限责任公司超高压输电公司 | Power supply device of online monitoring device for power transmission lines |
| CN103558467A (en) * | 2013-10-29 | 2014-02-05 | 中国南方电网有限责任公司超高压输电公司 | Capacitive equipment on-line monitoring device based on anisotropy magnetic resistance bridge |
-
2012
- 2012-06-25 CN CN 201220300788 patent/CN202712977U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904337A (en) * | 2012-06-25 | 2013-01-30 | 中国南方电网有限责任公司超高压输电公司 | Power supply device of online monitoring device for power transmission lines |
| CN102904337B (en) * | 2012-06-25 | 2015-01-07 | 中国南方电网有限责任公司超高压输电公司 | Power supply device of online monitoring device for power transmission lines |
| CN103558467A (en) * | 2013-10-29 | 2014-02-05 | 中国南方电网有限责任公司超高压输电公司 | Capacitive equipment on-line monitoring device based on anisotropy magnetic resistance bridge |
| CN103558467B (en) * | 2013-10-29 | 2015-08-26 | 中国南方电网有限责任公司超高压输电公司 | A kind of computing method of capacitive apparatus parameter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
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| CX01 | Expiry of patent term |