CN102749164A - Electrified water washing impact measuring system and measuring method thereof - Google Patents

Electrified water washing impact measuring system and measuring method thereof Download PDF

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Publication number
CN102749164A
CN102749164A CN2012102654788A CN201210265478A CN102749164A CN 102749164 A CN102749164 A CN 102749164A CN 2012102654788 A CN2012102654788 A CN 2012102654788A CN 201210265478 A CN201210265478 A CN 201210265478A CN 102749164 A CN102749164 A CN 102749164A
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China
Prior art keywords
water washing
hitting power
living water
load sensor
data
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Pending
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CN2012102654788A
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Chinese (zh)
Inventor
袁仁超
詹清华
王建国
罗容波
麦洪
廖一帆
李莉
王建平
刘根才
周杰
张乔琳
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Wuhan University WHU
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Wuhan University WHU
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Application filed by Wuhan University WHU, Foshan Power Supply Bureau of Guangdong Power Grid Corp filed Critical Wuhan University WHU
Priority to CN2012102654788A priority Critical patent/CN102749164A/en
Publication of CN102749164A publication Critical patent/CN102749164A/en
Pending legal-status Critical Current

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Abstract

The invention provides an electrified water washing impact measuring system and a measuring method thereof. The electrified water washing impact measuring system comprises a water pressure sensor, a load sensor, a measuring support, a data collection device and a data processor. The water pressure sensor is installed on an electrified water washing water gun, the load sensor is installed on the measuring support, and the data collection device is connected with the water pressure sensor and the load sensor. The data collection device is connected with the data processor. Operators can simulate washing of various power devices and measure corresponding water column impact. The measuring system can be used for conveniently measuring water column impact of electrified water washing, reduces accident occurrence probability and improves safety of electrified water washing operation.

Description

Living water washing hitting power measuring system and measuring method thereof
Technical field
The present invention relates to the technical field of Living water washing, particularly relate to a kind of Living water washing hitting power measuring system and measuring method thereof.
Background technology
Advantages such as Living water washing is a kind of hot line job mode of cleaning electric power electroceramics or glass external insulation with the pressure water column of high resistivity, and is high, effective with flush efficiency, quick thorough obtain widespread use in the filthy prevention work of electric system.
The water column hitting power size of Living water washing is the key of Living water washing technology, and too small hitting power possibly influence the effect of flushing, and excessive hitting power then possibly cause damage to the equipment of flushing, perhaps wastes wash water.
Therefore, reasonably the water column hitting power is pair extremely important with the Living water washing operation.Yet the water column hitting power adjustment that can only realize hydraulic giant is sent through manual adjustments hydraulic giant switch in the prior art, and the hitting power of the water column that sends of energy measurement hydraulic giant not can not correctly be estimated the hitting power of water column, lead to a disaster easily.
Summary of the invention
To the problem that exists in the above-mentioned prior art, the object of the present invention is to provide a kind of Living water washing hitting power measuring system, can measure the probability that the minimizing accident takes place easily to the water column hitting power of Living water washing.
A kind of Living water washing hitting power measuring system comprises: hydraulic pressure sensor, load sensor, measurement bracket, data collector, data processor;
Said hydraulic pressure sensor is installed on the Living water washing hydraulic giant, and said load sensor is installed on the said measurement bracket, and said data collector connects said hydraulic pressure sensor and said load sensor; Said data collector connects said data processor.
Living water washing hitting power measuring system of the present invention is through the discharge pressure of said hydraulic pressure sensor sensing Living water washing hydraulic giant, through the hitting power of said load sensor sensing Living water washing water column.Said load sensor is installed on the said measurement bracket; Through regulating the installation site of said load sensor on said measurement bracket; And the distance of said measurement bracket and Living water washing hydraulic giant; Can regulate the horizontal range and the height of Living water flushing hydraulic giant and said load sensor, simulate the setting height(from bottom) and flushing distance of various power equipments.Make operating personnel can simulate flushing, and measure corresponding water column hitting power various power equipments.If hitting power is excessive or too small, can do suitable adjustment through the water delivering orifice pressure of regulating hydraulic giant, make the water column hitting power more reasonable, avoid the water column hitting power too small and cause developing result bad, perhaps the water column hitting power is excessive and cause having an accident.
A kind of measuring method of Living water washing hitting power measuring system may further comprise the steps:
The horizontal range and the said load sensor that said measurement bracket and Living water washing hydraulic giant are set according to the electric pressure of power equipment use the Living water washing hydraulic giant that said load sensor is washed in the setting height(from bottom) of said measurement bracket;
Detect the water outlet hydraulic pressure of said Living water washing hydraulic giant through said hydraulic pressure sensor, detect the hitting power of water column flushing through said load sensor;
Gather the hydraulic pressure data of said hydraulic pressure sensor detection and the hitting power data that said load sensor detects through said data collector, and transfer to said data processor;
Receive and write down said hydraulic pressure data and said hitting power data through said data processor.
The measuring method of Living water washing hitting power measuring system of the present invention; The horizontal range and the said load sensor that said measurement bracket and Living water washing hydraulic giant are set according to the electric pressure of power equipment are simulated the setting height(from bottom) and flushing distance of various power equipments in the setting height(from bottom) of said measurement bracket.Make operating personnel can simulate flushing, and measure corresponding water column hitting power various power equipments.If hitting power is excessive or too small, can do suitable adjustment through the water delivering orifice pressure of regulating hydraulic giant, make the water column hitting power more reasonable, avoid the water column hitting power too small and cause developing result bad, perhaps the water column hitting power is excessive and cause having an accident.
Description of drawings
Fig. 1 is the structural representation of Living water washing hitting power measuring system of the present invention;
Fig. 2 is the schematic flow sheet of the measuring method of Living water washing hitting power measuring system of the present invention.
Embodiment
See also Fig. 1, Fig. 1 is the structural representation of Living water washing hitting power measuring system of the present invention.
Said Living water washing hitting power measuring system comprises: hydraulic pressure sensor 11, load sensor 12, measurement bracket 13, data collector 14, data processor 15;
Said hydraulic pressure sensor 11 is installed on the Living water washing hydraulic giant, and said load sensor 12 is installed on the said measurement bracket 13, and said data collector 14 connects said hydraulic pressure sensor 11 and said load sensor 12; Said data collector 14 connects said data processor 15.
Wherein, said hydraulic pressure sensor 11 is installed on the nozzle of Living water washing hydraulic giant through the mode of soldering and sealing.Said soldering and sealing can be adopted all steel soldering and sealing structure, has good moistureproof ability and excellent media compatibility property.In order to measure the gross energy of working fluid, promptly gross head height (general pressure before the nozzle) before the nozzle is drawn measurement with the liquid in pipe of Living water washing hydraulic giant, said hydraulic pressure sensor 11 can measure maximum pressure should reach 10Mpa or more than.
Said load sensor 12 adopts the strain principle to measure hitting power, tests the resistance strain gage that seasonal water column impacts said load sensor 12.The variation of resistance value can take place when the stressed generation deformation of said resistance strain gage; Measure the deformation of said resistance strain gage through resistance change; And then the stress-strain diagram through said resistance strain gage calculates the hitting power size of flushing water column; The range of single said load sensor 12 need reach 150N or more than, output 0-10V DC voltage, the response time is less than 50ms.
As a preferred implementation of the present invention, said Living water washing hitting power measuring system comprises a plurality of said load sensors 12, and a plurality of said load sensors 12 are installed on the said measurement bracket 13 side by side.412 said load sensors 12 preferably are installed, the stressed plate (resistance strain gage) of 2.6cm * 13cm (size is set as required) is installed on the stress surface of each said load sensor 12.Can gather the hitting power that each said load sensor 12 receives respectively; The hitting power of measuring Living water washing water column diverse location distributes; Measure hitting power mean value, hitting power maximum position and the hitting power maximal value of Living water washing water column, for research Living water washing water column hitting power has been brought new means.
As an embodiment, said measurement bracket 13 comprises the slide rail on support and the said support, and said load sensor 12 is installed on the said measurement bracket 13 through carriage and locking mechanism.Said carriage can slide up and down said load sensor 12 along the slide rail of said measurement bracket 13, and said locking mechanism can be fixed on said load sensor 12 on the said measurement bracket 13 after said load sensor 12 slides into the appropriate location.Thereby the setting height(from bottom) that realizes said load sensor 12 is adjustable.
As another embodiment, said measurement bracket 13 comprises two support bars parallel to each other and laterally is installed between said two support bars, with the vertical a plurality of fixed bars of said two support bars.Said load sensor 12 is through being fixed on the height that different fixed bar adjusted is installed.
The output terminal of said hydraulic pressure sensor 11 and said load sensor 12 is connected on the said data collector 14 through signal wire, and said data collector 14 connects said data processor 15 through data line.
Said data collector 14 has 3-16 tunnel input channels, and frequency acquisition is at 20kS/s-250kS/s, and resolution is not less than 8, carries out the acquired signal analysis.
Said data processor 15 can adopt PC or special-purpose measurement processor to realize.Said data processor 15 receives and writes down said hydraulic pressure data and said hitting power data, and said hydraulic pressure data and said hitting power data are shown in real time.
When measuring Living water washing water column hitting power at the scene; Said hydraulic pressure sensor 11 is installed on the Living water washing hydraulic giant; Said load sensor 12 is installed on the said measurement bracket 13; Regulate setting height(from bottom), and operating personnel adjust the horizontal range of Living water washing hydraulic giant and said measurement bracket 13 voluntarily.After adjustment is accomplished; Open the Living water washing hydraulic giant and adjust to suitable water outlet hydraulic pressure 12 flushings of the said load sensor on the said measurement bracket 13; Said hydraulic pressure sensor 11 detects the discharge pressure of said Living water washing hydraulic giant, and said load sensor 12 detects and impacts the water column hitting power on it.Said data collector 14 just connects the water outlet hydraulic pressure data of said hydraulic pressure sensor 11 outputs and the hitting power data of said load sensor 12 outputs, and transfers to said data processor 15; Said data processor 15 receives and writes down said hydraulic pressure data and said hitting power data.Horizontal range through adjusting said measurement bracket 13 and Living water washing hydraulic giant and said load sensor 12 can be simulated the setting height(from bottom) and flushing distance of various power equipments in the setting height(from bottom) of said measurement bracket 13.Make operating personnel can simulate flushing, and measure corresponding water column hitting power various power equipments.If hitting power is excessive or too small, can do suitable adjustment through the water delivering orifice pressure of regulating hydraulic giant, make the water column hitting power more reasonable, avoid the water column hitting power too small and cause developing result bad, perhaps the water column hitting power is excessive and cause having an accident.
Please consult Fig. 2 in the lump, Fig. 2 is the schematic flow sheet of the measuring method of Living water washing hitting power measuring system of the present invention.
The measuring method of Living water washing hitting power measuring system of the present invention may further comprise the steps:
S101 is provided with horizontal range and the said load sensor of said measurement bracket and the Living water washing hydraulic giant setting height(from bottom) in said measurement bracket according to the electric pressure of power equipment;
S102 uses the Living water washing hydraulic giant that said load sensor is washed;
S103 detects the water outlet hydraulic pressure of said Living water washing hydraulic giant through said hydraulic pressure sensor, detects the hitting power of water column flushing through said load sensor;
S104 gathers the hydraulic pressure data of said hydraulic pressure sensor detection and the hitting power data that said load sensor detects through said data collector, and transfers to said data processor;
S105 receives and writes down said hydraulic pressure data and said hitting power data through said data processor.
Wherein, To step S101; The height of the power equipment of different electric pressures is different; Setting height(from bottom) such as the 500kV power equipment is 2-20m, and operating personnel can highly be provided with the setting height(from bottom) of said load sensor in said measurement bracket according to the flushing of said own needs, so that measurement result conforms to actual conditions as far as possible.The horizontal range of said measurement bracket and Living water washing hydraulic giant also need be set to the horizontal range between the power equipment according to the flushing hydraulic giant simultaneously.
In step S102, the stressed plate (resistance strain gage) that uses the Living water washing hydraulic giant to aim at said load sensor washes, and makes resistance change after the stressed plate of said load sensor deforms, output impulsive force sensing signal.Said hydraulic pressure sensor detects the water outlet hydraulic pressure of said Living water washing hydraulic giant.
Among the step S104, said data collector is gathered the output signal of said hydraulic pressure sensor and said load sensor, converts the sensing signal of simulating into numerical data.And export said data processor to.Said data processor receives and writes down said hydraulic pressure data and said hitting power data, and said hydraulic pressure data and said hitting power data are shown in real time.Also can carry out the analysis of Living water washing water column hitting power according to said hydraulic pressure data and said hitting power data.
Preferably; For step S101; When setting said horizontal range and said setting height(from bottom), horizontal range scope and the said load sensor of said measurement bracket and the Living water washing hydraulic giant setting height(from bottom) scope in said measurement bracket is set according to the electric pressure of power equipment;
Within said horizontal range scope and said setting height(from bottom) scope, select a plurality of measuring positions, wherein, corresponding horizontal range in each said measuring position and setting height(from bottom);
Setting height(from bottom) according to each said measuring position is provided with said load sensor; And in step S102, use the Living water washing hydraulic giant that said load sensor is washed according to the horizontal range of said measuring position.
For example, the setting height(from bottom) of 500kV power equipment is 2-20m, and therefore, the said setting height(from bottom) scope of setting the measurement of Living water washing hitting power is 2-20m, and the height of every 2m carries out a hitting power to be measured, and need do the Living water hitting power test of 1-10 differing heights; Said horizontal range scope is 6-15m, and the horizontal range of every 1.5m is carried out a hitting power measurement, need do the Living water hitting power test of 4-10 varying level distance.Under the situation of differing heights and horizontal range combination, carry out the hitting power experiments of measuring, can be combined into multiple different flushing situation, and can select current flushing height and the horizontal range that needs the hitting power of measurement as the case may be.
When using the Living water washing hydraulic giant that said load sensor is washed; The further selected pairing output hydraulic pressure value of hitting power of measuring; Through regulating the hydraulic giant valve, washing pressure is added to output hydraulic pressure value to be measured then, then to said load sensor flushing.
Preferably; When being provided with a plurality of said load sensor, then further gathering the hitting power data of a plurality of said load sensors, and transfer to said data processor through said data collector; Wherein, a plurality of said load sensors are installed on the said measurement bracket side by side;
Through the hitting power data of said data processor according to a plurality of said load sensors, calculate hitting power distribution, hitting power maximum position, the hitting power mean value of Living water washing water column, and/or, the hitting power maximal value.
Whole Measuring Time can be between 5-20s; The output voltage signal of said hydraulic pressure sensor and said load sensor between the 5-20s that collects is converted to hydraulic pressure data and hitting power data; Analyze the hitting power that the hitting power that receives on each load sensor is a Living water washing water column diverse location, the hitting power that receives on each load sensor that superposes can get the overall hitting power value of water column.This hydraulic pressure of duplicate measurements following 3 times or above hitting power, the mean value and the maximal value of statistics hitting power under this hydraulic pressure.Change the washing pressure value then, the repeating step above-mentioned steps is measured the hitting power value under different hydraulic pressure situation.
Then, change flushing height and horizontal range again, repeat above-mentioned steps, respectively the water column impulsive force under difference flushing height and the horizontal range is measured.
Further; Through said data processor; According to the horizontal range of said hydraulic pressure data, said hitting power data, said measurement bracket and Living water washing hydraulic giant and said load sensor setting height(from bottom), calculate the flush efficiency of Living water washing in said measurement bracket.Make operating personnel can know the flush efficiency under different flushing height, flushing horizontal range and the discharge pressure easily.
In one embodiment, the response time that said load sensor is set guarantees that at 10ms-50ms the response speed of measurement hitting power is enough fast, enough collects the variations in detail of hitting power.Said data collector SF is between 20kS/s-250kS/s, and resolution is with regard to the details of enough reproducing signals when rebuilding the hitting power signal waveform.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.

Claims (8)

1. a Living water washing hitting power measuring system is characterized in that, comprising: hydraulic pressure sensor, load sensor, measurement bracket, data collector, data processor;
Said hydraulic pressure sensor is installed on the Living water washing hydraulic giant, and said load sensor is installed on the said measurement bracket, and said data collector connects said hydraulic pressure sensor and said load sensor; Said data collector connects said data processor.
2. Living water washing hitting power measuring system according to claim 1 is characterized in that said hydraulic pressure sensor is installed on the nozzle of said Living water washing hydraulic giant through the mode of soldering and sealing.
3. Living water washing hitting power measuring system according to claim 1 is characterized in that, said Living water washing hitting power measuring system comprises a plurality of said load sensors, and a plurality of said load sensors are installed on the said measurement bracket side by side.
4. Living water washing hitting power measuring system according to claim 3 is characterized in that, the stressed plate of 2.6cm * 13cm is installed on the stress surface of each said load sensor.
5. the measuring method of a Living water washing hitting power measuring system as claimed in claim 1 is characterized in that, may further comprise the steps:
The horizontal range and the said load sensor that said measurement bracket and Living water washing hydraulic giant are set according to the electric pressure of power equipment use the Living water washing hydraulic giant that said load sensor is washed in the setting height(from bottom) of said measurement bracket;
Detect the water outlet hydraulic pressure of said Living water washing hydraulic giant through said hydraulic pressure sensor, detect the hitting power of water column flushing through said load sensor;
Gather the hydraulic pressure data of said hydraulic pressure sensor detection and the hitting power data that said load sensor detects through said data collector, and transfer to said data processor;
Receive and write down said hydraulic pressure data and said hitting power data through said data processor.
6. the measuring method of Living water washing hitting power measuring system according to claim 5; It is characterized in that; Said electric pressure according to power equipment is provided with horizontal range and the said load sensor of said measurement bracket and the Living water washing hydraulic giant setting height(from bottom) in said measurement bracket, uses the Living water washing hydraulic giant that the step that said load sensor washes is comprised:
According to the electric pressure of power equipment horizontal range scope and the said load sensor of said measurement bracket and the Living water washing hydraulic giant setting height(from bottom) scope in said measurement bracket is set;
Within said horizontal range scope and said setting height(from bottom) scope, select a plurality of measuring positions, wherein, corresponding horizontal range in each said measuring position and setting height(from bottom);
Setting height(from bottom) according to each said measuring position is provided with said load sensor; And use the Living water washing hydraulic giant that said load sensor is washed according to the horizontal range of said measuring position.
7. the measuring method of Living water washing hitting power measuring system according to claim 5 is characterized in that, further may further comprise the steps:
Gather the hitting power data of a plurality of said load sensors through said data collector, and transfer to said data processor, wherein, a plurality of said load sensors are installed on the said measurement bracket side by side;
Through the hitting power data of said data processor according to a plurality of said load sensors, calculate hitting power distribution, hitting power maximum position, the hitting power mean value of Living water washing water column, and/or, the hitting power maximal value.
8. the measuring method of Living water washing hitting power measuring system according to claim 5; It is characterized in that; Further through said data processor according to the horizontal range of said hydraulic pressure data, said hitting power data, said measurement bracket and Living water washing hydraulic giant and said load sensor setting height(from bottom) in said measurement bracket, calculate the flush efficiency of Living water washing.
CN2012102654788A 2012-07-27 2012-07-27 Electrified water washing impact measuring system and measuring method thereof Pending CN102749164A (en)

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Application publication date: 20121024