CN104251964A - Bird dung propelling device - Google Patents
Bird dung propelling device Download PDFInfo
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- CN104251964A CN104251964A CN201410480928.4A CN201410480928A CN104251964A CN 104251964 A CN104251964 A CN 104251964A CN 201410480928 A CN201410480928 A CN 201410480928A CN 104251964 A CN104251964 A CN 104251964A
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Abstract
The invention discloses a bird dung propelling device, which comprises a bird dung container and a sealing container, wherein a cavity is formed inside the bird dung container, a feeding device is arranged on the bird dung container, the feeding device is communicated with the cavity through a second valve, the lower end of the bird dung container is provided with a discharging opening communicated with the cavity, the discharging opening is provided with a spray nozzle, the outlet of the spray nozzle is provided with a blocking and plugging device, a one-way valve is arranged on the sealing container, and the cavity of the bird dung container is communicated with the sealing container through a communication pipe provided with a first valve. The bird dung propelling device has the advantages that the bird dung container is adopted for containing bird dung simulation liquid, the sealing container is used for storing compressed air, and in addition, the compressed air entering the bird dung container is used for spraying out the bird dung simulation liquid from a spray opening, so the experiment simulation of forming a bird dung passage between a cross beam and a conducting wire during bird defecation on the cross beam is realized.
Description
Technical field
The present invention relates to a kind of servicing unit of overhead transmission line safe operation, particularly relating to a kind of birds droppings propulsion plant for detecting the cross-arm-conductor spacing flash-over characteristic under birds droppings impact.
Background technology
Along with the amount reproduction of birds, ubiquity and the harmfulness of Bird-caused Fault highlight day by day, and the line fault caused by it has become the one of the main reasons of electric system trip accident, and the safe operation of electric system in serious threat.Show according to a large amount of observation and statistical data, overhead transmission line bird pest fault mainly contains 4 types: when 1. bird is spread its wings to fly, short trouble is caused in health short circuit clearance; 2. hold in the mouth metallic conductor short circuit clearance during bird from building nest and cause earth fault; 3. birds droppings pollutes insulator surface, causes its edge flashing fault in humid air; 4. curassow is on shaft tower during defecation, and ight soil causes wire and tower body moment arcing fault.Wherein birds droppings arcing fault is main reason, but in the design of current overhead transmission line external insulation, does not consider the arcing fault that birds droppings causes, and this brings hidden danger to the safe operation of transmission line of electricity.
At present, all there is all drawbacks in the existing birds droppings propulsion plant for measuring birds droppings impact lower transmission line of electricity clearance alternating current discharge characteristic.As the patent " measuring the device of the clearance flash-over characteristic under birds droppings impact " that application number is 201220194583.2, disclose the device of the clearance flash-over characteristic under a kind of measurement birds droppings impact formed primarily of pressure regulator, transformer, protective resistance, voltage divider and birds droppings adjustment member etc., birds droppings adjustment member wherein adopts easy funnel and bracing frame, there is following shortcoming: 1. regulate whereabouts birds droppings diameter must realize by changing funnel, troublesome poeration, plant factor is not high; 2. this device cannot simulate the compression of birds internal organs when birds are discharged feces, and birds droppings therefore cannot be made to discharge with certain initial velocity, be not inconsistent with actual conditions; 3. the interpolation of birds droppings must artificially before applying voltage be added in funnel, and workload is large and can not ensure personal security; 4. do not have switchgear, birds droppings simulated solution is in continuous circulation status, easily causes waste.
For another example application number is the patent " detecting the device of the shaft tower tower window-conductor spacing flash-over characteristic under birds droppings impact " of 201220386960.2, disclose a kind of device of shaft tower tower window-conductor spacing flash-over characteristic detected under birds droppings impact, birds droppings adjustment member is wherein made up of the container of shower nozzle, water pipe, air compressor, pneumatic diaphragm pump and Sheng birds droppings simulated solution, by the pressure of air driven pump, birds droppings is discharged, there is following shortcoming in this device: 1. air compressor and pneumatic diaphragm pump volume larger, take up room more, and expensive; 2. length of pipe is longer, and birds droppings simulated solution can be attached on tube wall when passing through in a large number, accurately cannot learn the capacity of actual ejection birds droppings simulated solution; 3. device is heavy, not easy cleaning.
Summary of the invention
The object of this invention is to provide a kind of birds droppings propulsion plant, the deficiency that in the alternating current discharge characteristic research of existing measurement birds droppings impact lower clearance, birds droppings propulsion plant exists can be overcome, a kind of being applicable to is provided to measure the birds droppings propulsion plant in the alternating current discharge attribute testing of birds droppings impact lower clearance, this device has the features such as features simple structure, with low cost, little, easy to use, the applied range of taking up room, and can provide design considerations for the design of transmission line of electricity external insulation.
The present invention adopts following technical proposals:
A kind of birds droppings propulsion plant, comprise birds droppings container containing and airtight container, birds droppings container containing inside is provided with cavity, birds droppings container containing is provided with feeding device, feeding device is by the second valve and cavity connects, birds droppings container containing lower end is provided with the discharging opening with cavity connects, and discharging opening is provided with nozzle, and the outlet of nozzle is provided with blocking device; Airtight container is provided with retaining valve; The cavity of birds droppings container containing is communicated with by the communicating pipe being provided with the first valve with airtight container.
Described birds droppings container containing is the right cylinder that inside is provided with cavity, and cavity top is cylindrical, and bottom is truncated cone-shaped, and discharging opening is that internal diameter is less than the cylindrical of cavity top, and discharging opening is provided with nozzle, and discharging opening and nozzle removably connect.
Described feeding device adopts the funnel being arranged on birds droppings container containing top, and the discharging opening of funnel is by the second valve and cavity connects.
Described airtight container adopts steel hollow cylindrical seal container, and steel hollow cylindrical seal container is provided with high pressure barometer.
Described first valve adopts solenoid valve, and the entrance of solenoid valve is threaded connection pipe and is communicated with airtight container, and the outlet of solenoid valve is by the cavity connects of rubber tube and birds droppings container containing inside.
The junction of described rubber tube and birds droppings container containing is positioned at the sidewall of birds droppings container containing.
Described blocking device adopts rubber plug, and one end of connection cord connects rubber plug, and the other end of connection cord is fixed on the sidewall of birds droppings container containing.
Also comprise support member, support member adopts steel plate, and birds droppings container containing is fixed on support member by fixed bar, and airtight container is fixed on support member by two Y shaped brackets.
Described discharging opening inwall is provided with internal thread, and nozzle outer surface is provided with external thread, and nozzle and discharging opening are threaded connection.
The internal diameter of described nozzle is 4mm, 6mm, 8mm or 10mm.
The present invention adopts birds droppings container containing splendid attire birds droppings simulated solution, airtight container to store pressure gas, and utilize the pressure gas entered in birds droppings container containing that birds droppings simulated solution is sprayed from spout, thus achieve the experimental simulation to the birds droppings passage formed between cross-arm and wire during defecation on birds are on cross-arm.The present invention has the following advantages:
1. structure of the present invention is simple, with low cost, volume is little, can directly apply in the measurement of the lower built on stilts power transmission line AC flash-over characteristic of birds droppings impact, for the external insulation design of transmission line of electricity provides design considerations, people are made to be fully recognized that existence and the harmfulness of birds droppings flashover fault, and take corresponding bird pest prophylactico-therapeutic measures according to result of study, ensure the safe operation of overhead transmission line.
2. the present invention carries out by solenoid valve the flow direction controlling pressure gas, experimenter and high-pressure side is isolated, can ensure the safety of experimenter.
3. extrusion process when the present invention can simulate bird defecation in its cloaca, and the capacity that can control each birds droppings simulated solution of discharging, compare with actual conditions and conform to.
Further, the present invention also adopts the nozzle of multiple different inner diameters to simulate, and by changing different inner diameters nozzle, can reach the object changing and discharge birds droppings diameter, the defecation process of birds of variety classes, different size can be simulated as required, improve experiment accuracy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, birds droppings propulsion plant for detecting the cross-arm-conductor spacing flash-over characteristic under birds droppings impact of the present invention, comprise birds droppings container containing 1 and airtight container 2, birds droppings container containing 1 is for splendid attire birds droppings simulated solution, and airtight container 2 is for storing pressure gas.
Birds droppings container containing 1 is the inner right cylinder being provided with cavity 3, and transparent organic glass can be adopted to make.Birds droppings container containing 1 top is provided with the feeding device be communicated with cavity 3, and birds droppings container containing 1 lower end is provided with the discharging opening be communicated with cavity 3.Feeding device adopts the funnel 4 being arranged on birds droppings container containing 1 top, and the discharging opening of funnel 4 is communicated with cavity 3 by the second valve 5.Discharging opening is provided with nozzle 6, and discharging opening and nozzle 6 removably connect.In the present embodiment, discharging opening inwall is provided with internal thread, and nozzle 6 outside surface is provided with external thread, and nozzle 6 and discharging opening are threaded connection, and the internal diameter of nozzle 6 is 4mm, 6mm, 8mm or 10mm.By changing different inner diameters nozzle 6, the object changing and discharge birds droppings diameter can be reached, the defecation process of birds of variety classes, different size can be simulated as required, improve experiment accuracy.The outlet of nozzle 6 is provided with blocking device, and blocking device adopts rubber plug 7, and one end of connection cord 8 connects rubber plug 7, and the other end of connection cord 8 is fixed on the sidewall of birds droppings container containing 1.Cavity 3 top of birds droppings container containing 1 inside is cylindrical, and bottom is truncated cone-shaped, and discharging opening is that internal diameter is less than the cylindrical of cavity 3 top.Adopt the cavity 3 of this shape, more conveniently can discharge birds droppings simulated solution accurately, residue is few, and cavity 3 easily cleans.
Airtight container 2 adopts steel hollow cylindrical seal container, airtight container 2 is provided with unidirectional gas filling valve 9, inflates in airtight container 2 by unidirectional gas filling valve 9, makes to be full of the gas with certain pressure in airtight container 2; Steel hollow cylindrical seal container 2 is provided with high pressure barometer 10, is convenient to observe the gaseous tension in airtight container 2.The cavity 3 of birds droppings container containing 1 with airtight container 2 by being provided with being communicated with communicating pipe of the first valve 11.First valve 11 can adopt solenoid valve, the entrance of solenoid valve is threaded connection pipe 13 and is communicated with airtight container 2, the outlet of solenoid valve is communicated with by the cavity 3 of rubber tube 12 with birds droppings container containing 1 inside, and the junction of rubber tube and birds droppings container containing 1 is positioned at the sidewall of birds droppings container containing 1, can prevent the high pressure draught entered in birds droppings container containing 1 cavity 3 from causing the splash of birds droppings simulated solution.
In the present invention, birds droppings container containing 1 and airtight container 2 can be unified to be fixed on support member 14, and support member 14 can adopt steel plate, and birds droppings container containing 1 is fixed on support member 14 by fixed bar, and airtight container 2 is fixed on support member 14 by two Y shaped brackets 15.
In the present embodiment, birds droppings container containing 1 is the hollow cylinder of diameter 60mm, high 150mm, and the diameter of the cylindrical cavity 3 of birds droppings container containing 1 cavity 3 middle and upper part is 40mm, and height is 80mm; The lower surface diameter of the truncated cone-shaped cavity 3 of bottom is 40mm, and upper surface diameter is 20mm, and height is 20mm; The internal diameter of discharging opening is 20mm.The horizontal steel hollow right cylinder that airtight container 2 is internal diameter 80mm, high 160mm, body wall thickness is 10mm, the sidewall of airtight container 2 is welded with the bicycle valve core used as retaining valve, and by high pressure barometer 10 that threaded line pipe connects.Support member 14 adopts length, width and height to be followed successively by the steel plate of 1200mm, 50mm and 5mm, and two steel Y shaped bracket 15 bottom weldings, on steel plate, can play good supporting role.
The present invention in use, is first used the aerator such as bicycle pump, is inflated by the bicycle valve core used as retaining valve in airtight container 2, utilizes high pressure barometer 10 to observe gas pressure intensity in airtight container 2 simultaneously.Can be filled with the gas of different pressure in practical operation according to actual needs, 1-1.5 atmospheric pressure, the gas pressure intensity in airtight container 2 is larger, and the extruding force acted on birds droppings simulated solution is larger, and the initial velocity that birds droppings simulated solution flows out is larger.Then use rubber plug 7 outlet of nozzle 6 to be blocked, prevent the birds droppings simulated solution joined in birds droppings container containing 1 cavity 3 from flowing out; Open the second valve 5 again, the funnel 4 utilizing birds droppings container containing 1 top to arrange injects birds droppings simulated solution in birds droppings container containing 1 cavity 3.After injection completes, then the second valve 5 is closed.After other Preparatory work of experiment work are ready, user opens solenoid valve, the cavity 3 of birds droppings container containing 1 and airtight container 2 conducting, compressed air stream in airtight container 2 is by entering in the cavity 3 of birds droppings container containing 1 communicating pipe 12, under the pressure entering the pressure gas in birds droppings container containing 1 cavity 3, the rubber plug 7 that the outlet of birds droppings container containing 1 nozzle 6 is arranged will eject, birds droppings simulated solution in birds droppings container containing 1 cavity 3 is then rapid to be sprayed from spout, thus achieve the experimental simulation to the birds droppings passage formed between cross-arm and wire during defecation on dissimilar birds are on cross-arm.Birds droppings simulated solution can adopt human configuration according to the characteristic of actual birds droppings, birds droppings simulated solution is egg, sodium chloride (NaCl), zeyssatite and 108 glue mixing and stirring form that conductivity is 3650 μ S/cm, viscosity is the colloid of 10s.
The present invention can directly apply in the measurement of the lower built on stilts power transmission line AC flash-over characteristic of birds droppings impact, and extrusion process during simulation bird defecation in its cloaca, and the capacity controlling each birds droppings simulated solution of discharging, compare with actual conditions and conform to.Solenoid valve can control the flow direction of pressure gas, experimenter and high-pressure side are isolated, the safety of experimenter can be ensured, by changing different inner diameters nozzle, the object changing and discharge birds droppings diameter can be reached, the defecation process of birds of variety classes, different size can be simulated as required, improve experiment accuracy.
Claims (10)
1. a birds droppings propulsion plant, it is characterized in that: comprise birds droppings container containing and airtight container, birds droppings container containing inside is provided with cavity, birds droppings container containing is provided with feeding device, feeding device is by the second valve and cavity connects, birds droppings container containing lower end is provided with the discharging opening with cavity connects, and discharging opening is provided with nozzle, and the outlet of nozzle is provided with blocking device; Airtight container is provided with retaining valve; The cavity of birds droppings container containing is communicated with by the communicating pipe being provided with the first valve with airtight container.
2. birds droppings propulsion plant according to claim 1, it is characterized in that: described birds droppings container containing is the right cylinder that inside is provided with cavity, cavity top is cylindrical, bottom is truncated cone-shaped, discharging opening is that internal diameter is less than the cylindrical of cavity top, discharging opening is provided with nozzle, and discharging opening and nozzle removably connect.
3. birds droppings propulsion plant according to claim 2, is characterized in that: described feeding device adopts the funnel being arranged on birds droppings container containing top, and the discharging opening of funnel is by the second valve and cavity connects.
4. birds droppings propulsion plant according to claim 3, is characterized in that: described airtight container adopts steel hollow cylindrical seal container, and steel hollow cylindrical seal container is provided with high pressure barometer.
5. birds droppings propulsion plant according to claim 4, it is characterized in that: the first described valve adopts solenoid valve, the entrance of solenoid valve is threaded connection pipe and is communicated with airtight container, and the outlet of solenoid valve is by the cavity connects of rubber tube and birds droppings container containing inside.
6. birds droppings propulsion plant according to claim 5, is characterized in that: the junction of described rubber tube and birds droppings container containing is positioned at the sidewall of birds droppings container containing.
7. birds droppings propulsion plant according to claim 6, is characterized in that: described blocking device adopts rubber plug, and one end of connection cord connects rubber plug, and the other end of connection cord is fixed on the sidewall of birds droppings container containing.
8. birds droppings propulsion plant according to claim 7, is characterized in that: also comprise support member, and support member adopts steel plate, and birds droppings container containing is fixed on support member by fixed bar, and airtight container is fixed on support member by two Y shaped brackets.
9. birds droppings propulsion plant according to claim 8, is characterized in that: described discharging opening inwall is provided with internal thread, and nozzle outer surface is provided with external thread, and nozzle and discharging opening are threaded connection.
10. birds droppings propulsion plant according to claim 9, is characterized in that: the internal diameter of described nozzle is 4mm, 6mm, 8mm or 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480928.4A CN104251964B (en) | 2014-09-19 | 2014-09-19 | Birds droppings propulsion plant |
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| CN201410480928.4A CN104251964B (en) | 2014-09-19 | 2014-09-19 | Birds droppings propulsion plant |
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| CN104251964A true CN104251964A (en) | 2014-12-31 |
| CN104251964B CN104251964B (en) | 2017-09-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259484A (en) * | 2015-11-03 | 2016-01-20 | 云南电网有限责任公司电力科学研究院 | Guano propulsion device of overhead transmission lines |
| CN106918770A (en) * | 2017-04-05 | 2017-07-04 | 国家电网公司 | A kind of birds droppings simulated solution device for making |
| CN106980076A (en) * | 2017-04-05 | 2017-07-25 | 国家电网公司 | A kind of birds droppings simulated solution drainage system |
| CN107091975A (en) * | 2017-05-19 | 2017-08-25 | 中国电力科学研究院 | Simulate many gas circuit sequential control methods of bird defecation |
| CN107192932A (en) * | 2017-05-19 | 2017-09-22 | 中国电力科学研究院 | Bird defecation analogue means |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259484A (en) * | 2015-11-03 | 2016-01-20 | 云南电网有限责任公司电力科学研究院 | Guano propulsion device of overhead transmission lines |
| CN106918770A (en) * | 2017-04-05 | 2017-07-04 | 国家电网公司 | A kind of birds droppings simulated solution device for making |
| CN106980076A (en) * | 2017-04-05 | 2017-07-25 | 国家电网公司 | A kind of birds droppings simulated solution drainage system |
| CN107091975A (en) * | 2017-05-19 | 2017-08-25 | 中国电力科学研究院 | Simulate many gas circuit sequential control methods of bird defecation |
| CN107192932A (en) * | 2017-05-19 | 2017-09-22 | 中国电力科学研究院 | Bird defecation analogue means |
| CN107091975B (en) * | 2017-05-19 | 2020-10-27 | 中国电力科学研究院 | Multi-gas-path time sequence control method for simulating bird defecation |
| CN107192932B (en) * | 2017-05-19 | 2020-11-17 | 中国电力科学研究院 | Bird defecation simulator |
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| CN104251964B (en) | 2017-09-22 |
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