CN204086461U - A kind of two-way dash current electric discharge ball device - Google Patents
A kind of two-way dash current electric discharge ball device Download PDFInfo
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- CN204086461U CN204086461U CN201420427360.5U CN201420427360U CN204086461U CN 204086461 U CN204086461 U CN 204086461U CN 201420427360 U CN201420427360 U CN 201420427360U CN 204086461 U CN204086461 U CN 204086461U
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Abstract
A kind of two-way dash current electric discharge ball device, comprises ball discharge gap, supporting linear electric motors, proximity switch, displacement transducer, silencer cover, support be connected copper bar; It is two right that described ball discharge gap comprises, and ball gap triggers employing three gap pulse firing; The distance adjustment of described ball discharge gap adopts described supporting linear electric motors, the adjustable accuracy 0.1mm of described supporting linear electric motors; The range 0-100mm of institute's displacement sensors; Described silencer cover adopts plexiglass tent.The utility model by laboratory environment produce with nature thunder and lightning closer to lightning stroke process, exportable two-circuit dash current, the effect such as thermal effect, stress effect, galvanomagnetic effect that observation thunderbolt produces, seek thunder and lightning to propagate and the mechanism of action, research Lightning Prevention Technique, tests to existing thunderstorm electricity protective device, and record improves test figure, for research Lightning Disaster, exploitation lightning protection new technology provides reliable data and information.
Description
Technical field
The utility model relates to the surge protector experimental technique field of low-voltage distribution system, especially relates to a kind of two-way dash current electric discharge ball device.
Background technology
Along with the development of making rapid progress of scientific and technical innovation, Lightning Disaster accident ratio distribution in recent years changes to some extent, its principal feature is that signal system and electronic equipment are affected and are tending towards serious, the scope that Lightning Disaster relates to is more extensive, the life harm that thunder and lightning causes and economic loss, all in continuous increase, propose new test and challenge to current Lightning Prevention Technique.
The discharge portion of surge generator is in the market mostly single channel dash current electric discharge ball device, and this kind of single channel dash current electric discharge ball device has to be installed simply, the advantages such as structure is attractive in appearance.But be only applicable to single channel detect, product test can be carried out under envelope test.
In the foundation of lightening protect by two-way dash current electric discharge ball device, for lightning protection new technology development and test provide high-caliber comprehensive test platform, can promote lightning protection industry technology research level, the research and development for all kinds of new material, new construction and new equipment provide test to support.
In order to be lightning impulse current test in method and test condition on closer to true environment, research Lightning Prevention Technique, tests to existing thunderstorm electricity protective device, and record improves test figure, for research Lightning Disaster, exploitation lightning protection new technology provides reliable data and information.The generation of research thunder and lightning and the mechanism of action, improving shocking preventing technology level is one of target of thunder and lightning test and research field pursuit.
Utility model content
The purpose of this utility model is to design a kind of novel two-way dash current electric discharge ball device, solves the problem.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of two-way dash current electric discharge ball device, comprises ball discharge gap, supporting linear electric motors, proximity switch, displacement transducer, silencer cover, support be connected copper bar;
It is two right that described ball discharge gap comprises, and ball gap triggers employing three gap pulse firing;
Described supporting linear electric motors: the distance adjustment of described ball discharge gap adopts described supporting linear electric motors, the adjustable accuracy 0.1mm of described supporting linear electric motors; Described proximity switch, when the sensitive surface of object proximity switch is to operating distance, does not need Mechanical Contact and applies any pressure to make switch motion, and drives interchange or DC electric apparatus or provide steering order to computer installation; The range 0-100mm of institute's displacement sensors; Described silencer cover adopts plexiglass tent;
The distance of described ball discharge gap is by supporting linear electric motors regulating and controlling, and institute's displacement sensors is connected to the distance described supporting linear electric motors being used for measuring described ball discharge gap; Described silencer cover adopts plexiglass tent; Described support adopts carbon steel structure.
The electric discharge sphere of described ball discharge gap adopts Wu-Cu alloy to make.
The distance of described ball discharge gap can regulate manually or automatically in computer control system, and from motion tracking charging voltage, alternating current asynchronous controls, the action of PLC pilot relay.
Described ball discharge gap adopts high-voltage pulse to trigger igniting, and triggering can adopt synchronous or asynchronous triggering, and the trigger interval time, 1 microsecond is adjustable to 999 milliseconds; Trigger successfully, high-pressure side and low pressure end conducting, in parallel by connecting copper bar, next step test can be carried out towards product testing cabinet.
Two-way dash current electric discharge ball device, it is the ball-type electrode that two pairs of diameters are identical, after itself and HT testing transformer, pulsed capacitance energy storage device, control desk etc. form integrated test system, lightning protection component and lightning protection component test can be carried out in Long line transmission, also can do complete machine dynamic test.Be applicable to the II class test (IEC61643-1 of low-voltage distribution system SPD; TB/T2311; YD/T1235.2;) and low tension communication system SPD D level test (GB18802.21); for generation of lightning impulse current (8/20 μ s and 10/350 μ s); arrester valve piece, proportional unit and Surge Protector (SPD) etc. are carried out to the calibrating of impulse current test and residual voltage value, also can be used for the dynamic lightning protection test of complete machine or test for other scientific researches.
Two-way dash current electric discharge ball device is a kind of stability of characteristics, coordinates accurate electric discharge device, integrates ball discharge gap and automatically controls linear electric motors equipment, having the features such as Installation and Debugging are convenient, reliability is high, Automated condtrol is strong, easy care.
Product adopts gap adjustable Wu-Cu alloy electric discharge sphere to join the discharge mode of ball-type electrode, compared with the discharge mode of usual single channel dash current electric discharge ball, sparking voltage accuracy rate is higher, dispersiveness is less, characteristic is more stable, and thermal capacity is large, not easily burns.Improve the security of protection, reliability and protected effect.
When testing by two-way dash current electric discharge ball device and test product parallel connection, ball gap string itself has protective resistance, and first adjust ball gap at 60% trial voltage, now test product should connect simultaneously.
Service condition: sea level elevation: £ 1000m; Relative humidity: <85% (20 DEG C), without condensation
Consider that signalling arrangement generally adopts two-wire and multi-thread transmission in real work, and the principle of " shop experiment is more thin more complete; rig-site utilization is safer; be out of order lesser " will be followed, for the approach that thunder and lightning invades signalling arrangement, speed and energy, it is true that simulation test is done more close to environment, and onsite application just can lack and is not even out of order.
Therefore, the utility model integrates ball discharge gap and automatically controls linear electric motors, is applied to Long line transmission lightning-protection system, realizes two-way and export thunder and lightning waveform simultaneously, the lightning protection components and parts tests such as electrode surge arrester can also be carried out, fill up the blank that a ball device is put in the test of domestic and international two-way dash current.
The purpose of this utility model is to design a kind of novel two-way dash current electric discharge ball device, solves the problem.
One, two-way dash current electric discharge ball device building block:
Two-way dash current electric discharge ball device is a set of ball discharge device integrating ball discharge gap and automatically control linear electric motors, mainly comprises ball discharge gap, supporting linear electric motors, proximity switch, displacement transducer, silencer cover, support be connected copper bar.
Discharge mode: can synchronous discharge, also can asynchronously discharge (during the type approval test of two-circuit, can synchronously trigger rear electric discharge, asynchronous triggering discharges is done in Ye Ke mono-tunnel time delay).
Building block describes in detail:
1. ball discharge gap 2 is right: ball gap triggers employing three gap pulse firing; Electric discharge sphere adopts Wu-Cu alloy to make, and withstand shock big current ability is strong, sparking voltage accuracy rate is higher, dispersiveness is less, characteristic is more stable, and thermal capacity is large, not easily burns.Improve the security of protection, reliability and protected effect.
2. supporting linear electric motors: ball discharge stand-off distance adopts linear electric motors from adjustment, adjustable accuracy 0.1mm, and actuating range is large, good reliability, ball stand-off distance from regulating manually or automatically in computer control system, and from motion tracking charging voltage, alternating current asynchronous controls, the action of PLC pilot relay;
3. proximity switch: when the sensitive surface of object proximity switch is to operating distance, does not need Mechanical Contact and applies any pressure to make switch motion, thus drives interchange or DC electric apparatus or provide steering order to computer installation.Have sensing capabilities, and a reliable in action, stable performance, frequency response is fast, and application life is long, and antijamming capability waits by force and has waterproof, the feature such as shockproof, corrosion-resistant.When the induction region of metal detection body proximity switch, switch just can be contactless, without pressure, no-spark, send electrical command rapidly, accurate response goes out position and the stroke of motion, namely general Stroke Control is used in, the convenience of its positioning precision, operating frequency, serviceable life, mounting and adjusting and the applicable ability to rugged surroundings are that common mechanical formula travel switch institute is incomparable.
4. displacement transducer: the high-accuracy displacement detecting of small-range 0-100mm, insulator physical characteristics material, analog signal output, stable, error is little, and precision is high, and volume is little;
5. silencer cover: isolation quieter adopts plexiglass tent, electric discharge noise is dropped to minimum;
6. support: increase stability;
7. connect copper bar: through-current capacity is large, facilitates installation and maintenance;
Principle of work:
(1) envelope test (single loop impulse test) of complete machine:
Side knock: when transmission equipment A end leap high pressure time, B end need ground connection; When B end leaps high pressure, A ground connection; As Fig. 3;
Impact of collision: when A, B shorted on both ends backlash high pressure of transmission equipment, pressure of leaping high over the ground (high pressure generator must have a ground connection when doing impulse test); As Fig. 4;
(2) dynamic test (two-circuit impulse test) of complete machine:
After A, B two ends of tested device add lightning protection measures and under normal work of starting shooting, the examination of high-pressure impact simultaneously lightning protection effect is more close true.As Fig. 5:
(3) Long line transmission equipment complete machine dynamic test:
Long line transmission equipment is after adding lightning protection measures and do complete machine dynamic impact test under normal operation.As Fig. 6:
One, technique effect:
Under simulation thunderbolt condition, transmission equipment formulates development standard at the normal clamp voltage recording protection at different levels that runs, and following test waveform therefore first can be selected to test.
export great current impact test waveform:
(1) 8 ± 10% μ s/20 ± 10% μ s dash current ripples are exported;
(2) 10 ± 30% μ s/1000 ± 20% μ s dash current ripples are exported;
(3) two-circuit is triggered: controlled Time delay;
Two, advantage characteristic:
1. two-way dash current electric discharge ball device can carry out the vertical and horizontal impulse test of the lightning wave of simulating various different amplitude under transmission equipment normally runs, and improves the deficiency of single channel dash current electric discharge ball device;
2. two-way dash current electric discharge ball device triggering mode: can be synchronous, also can asynchronous (during two-way type approval test, can synchronously trigger, also Ke mono-tunnel adds time delay and does asynchronous triggering);
3. two-way dash current electric discharge ball device, two-way can discharge separately, also can parallel discharge;
4. two-way dash current electric discharge ball device auto polarity conversion: motor automatic polarity, conveniently does positive-negative polarity test to each test product, safe and convenient;
The beneficial effects of the utility model can be summarized as follows:
1. the utility model is the two-way dash current electric discharge ball device integrating ball discharge gap and automatically control linear electric motors;
2. the utility model is for the two-way dash current electric discharge ball device of signal system and electronic equipments lightning protection unique design, modular construction, and this is significant to shocking preventing technology development;
3. by the foundation of two-way dash current electric discharge ball device, for lightning protection new technology development and test provide high-caliber comprehensive test platform, lightning protection industry technology research level can be promoted, for the research and development of all kinds of new material, new construction and new equipment provide science and technology support;
4. by laboratory environment produce with nature thunder and lightning closer to lightning stroke process, exportable two-circuit dash current (can synchronous or asynchronous triggering), the effect such as thermal effect, stress effect, galvanomagnetic effect that observation thunderbolt produces, seek thunder and lightning to propagate and the mechanism of action, research Lightning Prevention Technique, tests to existing thunderstorm electricity protective device, and record improves test figure, for research Lightning Disaster, exploitation lightning protection new technology provides reliable data and information.
5. study thunder and lightning to occur and the mechanism of action, improving shocking preventing technology level is one of target of thunder and lightning test and research field pursuit.
Accompanying drawing explanation
Fig. 1 two-way dash current electric discharge ball device front elevation.
Wherein, 1 ball discharge gap, 2 supporting linear electric motors, 3 proximity switches, 4 displacement transducers, 5 silencer cover 6 supports, 7 connect copper bar.
Fig. 2 two-way dash current electric discharge ball device principle circle figure.
The dynamic test side knock of Fig. 3 complete machine.
The dynamic test impact of collision of Fig. 4 complete machine.
The dynamic test (two-circuit impulse test) of Fig. 5 complete machine.
Fig. 6 Long line transmission equipment complete machine dynamic test.
Embodiment
The technical matters solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
A kind of two-way dash current electric discharge ball device as shown in Figure 1, comprises ball discharge gap 1, supporting linear electric motors 2, proximity switch 3, displacement transducer 4, silencer cover 5, support 6 be connected copper bar 7; It is two right that described ball discharge gap 1 comprises, and ball gap triggers employing three gap pulse firing; Described supporting linear electric motors 2: the distance adjustment of described ball discharge gap 1 adopts described supporting linear electric motors 2, the adjustable accuracy 0.1mm of described supporting linear electric motors 2; Described proximity switch 3, when the sensitive surface of object proximity switch 3 is to operating distance, does not need Mechanical Contact and applies any pressure to make switch motion, and drives interchange or DC electric apparatus or provide steering order to computer installation; The range 0-100mm of institute's displacement sensors 4; Described silencer cover 5 adopts plexiglass tent; The distance of described ball discharge gap 1 is by supporting linear electric motors 2 regulating and controlling, and institute's displacement sensors 4 is connected to the distance described supporting linear electric motors 2 being used for measuring described ball discharge gap 1; Described proximity switch 3 does not need Mechanical Contact and applies any pressure to make switch motion, and feeds back to PLC and provide steering order, and control the minimum and maximum distance of ball gap, described silencer cover 5 adopts plexiglass tent; Described support 6 adopts carbon steel structure.
In the embodiment be more preferably, the electric discharge sphere of described ball discharge gap 1 adopts Wu-Cu alloy to make.
In the embodiment be more preferably, the distance of described ball discharge gap 1 can regulate manually or automatically in computer control system, and from motion tracking charging voltage, alternating current asynchronous controls, the action of PLC pilot relay.
In the embodiment be more preferably, described ball discharge gap 1 adopts high-voltage pulse to trigger igniting, and triggering can adopt synchronous or asynchronous triggering, and the trigger interval time, 1 microsecond is adjustable to 999 milliseconds; Trigger successfully, high-pressure side and low pressure end conducting, in parallel by connecting copper bar 7, next step test can be carried out towards product testing cabinet.
Dash current ball discharge gap 1 logical relation: ball discharge gap 1 adopts high-voltage pulse to trigger igniting, triggering can adopt synchronous or asynchronous triggering, interval time is set: 1 microsecond is adjustable to 999 milliseconds, trigger successfully, high-pressure side and low pressure end conducting, in parallel by connecting copper bar 7, next step test can be carried out towards product testing cabinet.Ball discharge gap 1 distance is by supporting linear electric motors 2 regulating and controlling, and displacement transducer 4 is connected on supporting linear electric motors 2 and is used for measuring ball discharge gap 1 distance; Proximity switch 3 does not need Mechanical Contact and applies any pressure to make switch motion, thus feed back to PLC steering order is provided, be used for controlling the minimum and maximum distance of ball gap, silencer cover 5 adopts plexiglass tent, can play and make electric discharge noise drop to minimum effect; Support 6: adopt carbon steel structure, increase the stability of whole two-way dash current electric discharge ball device.
The utility model is described in detail in preferred embodiment above by concrete; but those skilled in the art should be understood that; the utility model is not limited to the above embodiment; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a two-way dash current electric discharge ball device, is characterized in that: comprise ball discharge gap, supporting linear electric motors, proximity switch, displacement transducer, silencer cover, support be connected copper bar;
It is two right that described ball discharge gap comprises, and ball gap triggers employing three gap pulse firing;
Described supporting linear electric motors: the distance adjustment of described ball discharge gap adopts described supporting linear electric motors, the adjustable accuracy 0.1mm of described supporting linear electric motors;
Described proximity switch, when the sensitive surface of object proximity switch is to operating distance, does not need Mechanical Contact and applies any pressure to make switch motion, and drives interchange or DC electric apparatus or provide steering order to computer installation; The range 0-100mm of institute's displacement sensors;
The distance of described ball discharge gap is by supporting linear electric motors regulating and controlling, and institute's displacement sensors is connected to the distance described supporting linear electric motors being used for measuring described ball discharge gap; Described silencer cover adopts plexiglass tent; Described support adopts carbon steel structure.
2. two-way dash current electric discharge ball device according to claim 1, is characterized in that: the electric discharge sphere of described ball discharge gap adopts Wu-Cu alloy to make.
3. two-way dash current electric discharge ball device according to claim 1, it is characterized in that: the distance of described ball discharge gap can regulate manually or automatically in computer control system, and from motion tracking charging voltage, alternating current asynchronous controls, the action of PLC pilot relay.
4. two-way dash current electric discharge ball device according to claim 1, is characterized in that: described ball discharge gap adopts high-voltage pulse to trigger igniting, and triggering can adopt synchronous or asynchronous triggering, and the trigger interval time, 1 microsecond is adjustable to 999 milliseconds; Trigger successfully, high-pressure side and low pressure end conducting, in parallel by connecting copper bar, next step test can be carried out towards product testing cabinet.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106383275A (en) * | 2016-08-18 | 2017-02-08 | 四川泛华航空仪表电器有限公司 | Engine ignition capacitor aging test fault detection device |
CN107422239A (en) * | 2017-09-27 | 2017-12-01 | 重庆大学 | The more dash current discharge test device and methods of soil |
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2014
- 2014-07-30 CN CN201420427360.5U patent/CN204086461U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106383275A (en) * | 2016-08-18 | 2017-02-08 | 四川泛华航空仪表电器有限公司 | Engine ignition capacitor aging test fault detection device |
CN106383275B (en) * | 2016-08-18 | 2023-05-12 | 四川泛华航空仪表电器有限公司 | Fault detection device for aging test of engine ignition capacitor |
CN107422239A (en) * | 2017-09-27 | 2017-12-01 | 重庆大学 | The more dash current discharge test device and methods of soil |
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