CN205120813U - Electroscope - Google Patents
Electroscope Download PDFInfo
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- CN205120813U CN205120813U CN201520878642.1U CN201520878642U CN205120813U CN 205120813 U CN205120813 U CN 205120813U CN 201520878642 U CN201520878642 U CN 201520878642U CN 205120813 U CN205120813 U CN 205120813U
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Abstract
The utility model discloses an electroscope. This electroscope includes laser signal generating unit, electric field detecting element, magnetic field detecting element, ultraviolet pulse detecting element, alarm unit and data processing unit, wherein, laser signal generating unit electric field detecting element magnetic field detecting element ultraviolet impulse detection unit the alarm unit respectively with the data processing unit is connected, the data processing unit is used for control ultraviolet sensor power supply in the ultraviolet impulse detection unit and to ultraviolet pulse count for three -dimensional electromagnetic field data processing and control the alarm unit is used for alarming. Through the utility model discloses, remote, non -contact be can realize and electricity, effective safety in production risk that reduces are tested.
Description
Technical field
The utility model relates to power safety technique field, specifically, and particularly a kind of electroscope.
Background technology
Along with socioeconomic development, increasing power grid security industrial accident enters the visual field of people, and the accident that electrical verification work causes seems particularly outstanding in many electric power accidents.The grid company of every country continually strengthens electric power safety production management, promoting comprehensive safety management level, is that primary production target is current by security column, and the general condensing type electroscope that uses completes electrical verification work, but along with electric pressure raising, there are following two aspect problems in such electroscope:
First aspect, condensing type electroscope works by detecting the electric current flow through in electroscope ground capacitance, requirement starting voltage is high, the testing standard of strict implement " starting voltage value is not higher than 40% of rated voltage; be not less than 15% of rated voltage ", this just requires that it wants in-plant contact with measured target, requires that electrical verification is apart from little.And due to the raising of electric pressure, having requirement to the length of insulation, insulation technology does not reach, and as easy as rolling off a log meeting accident punctures, and causes personal injury.Thus, employing condensing type electroscope of the prior art electrical verification, when the transmission line of electricity higher to electric pressure carries out electrical verification, security is poor.
Second aspect, the Cleaning Principle of condensing type electroscope detects the electric current flow through in electroscope ground capacitance, if electroscope is in approximate equipotential electric field, then can be too small because of axial electric potential gradient, the capacitive earth current flow through is less than the startup threshold value that performance loop starts.Therefore some conductive surfaces and around electric field be similar to uniform electric field equipment near there will be error, such as or occasion that conductor ambient humidity, light and temperature large large when equipment electric conductor area.Thus, there is certain error in employing condensing type electroscope of the prior art electrical verification.
In sum, for adopting condensing type electroscope electrical verification in prior art, when the transmission line of electricity higher to electric pressure carries out electrical verification, the problem of poor safety performance, not yet proposes effective solution at present.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of electroscope, to solve the problem of condensing type electroscope poor safety performance in prior art.
Laser signal generating unit, electric field detecting unit, magnetic field detection unit, ultraviolet pulse detecting unit, alarm unit and data processing unit is comprised according to electroscope of the present utility model, wherein, laser signal generating unit, electric field detecting unit, magnetic field detection unit, ultraviolet pulse detecting unit, alarm unit are connected with data processing unit respectively, data processing unit, for controlling Ultraviolet sensor power supply in ultraviolet pulse detecting unit and to ultraviolet pulse counting, controls alarm unit report to the police for the process of 3 D electromagnetic field data.
Further, electroscope also comprises: clock unit, three-dimensional acceleration unit, display unit and/or Temperature and Humidity unit, be connected with data processing unit respectively.
Further, Temperature and Humidity unit is specially digital Temperature Humidity Sensor, by the interface uploading data of data processing unit.
Further, three-dimensional acceleration unit is specially 3-axis acceleration sensor, is connected with data processing unit with I2C or SPI communication interface.
Further, electric field detecting unit comprises: the three-dimensional electric field signal acquisition module connected successively, the first signal follow module, the first signal amplification module, the first rectification module and the first filtration module, wherein, the first filtration module is connected with data processing unit again.
Further, magnetic field detection unit comprises: the three-dimensional magnetic field signal acquisition module connected successively, secondary signal follow module, secondary signal amplification module, the second rectification module and the second filtration module, wherein, the second filtration module is connected with data processing unit again.
Further, the first signal is followed module and secondary signal and is followed module and be specially voltage follower or complementary voltage follower respectively, for reducing output resistance, improves carrying load ability.
Further, three-dimensional electric field signal acquisition module is specially linear electro-optic effect sensor; Three-dimensional magnetic field signal acquisition module is specially two panels bidimensional magnetic field sensor.
Further, the first signal amplification module and secondary signal amplification module include the operational amplification circuit amplified differential signal.
Further, Ultraviolet sensor adopts day blind type Ultraviolet sensor, ultraviolet pulse detecting unit by day blind type Ultraviolet sensor, high-voltage power supply and pulse shaping circuit form.
Pass through the utility model, propose a kind of electroscope, this electroscope comprises laser signal generating unit, electric field detecting unit, magnetic field detection unit, ultraviolet pulse detecting unit, alarm unit and data processing unit, wherein, laser signal generating unit, electric field detecting unit, magnetic field detection unit, ultraviolet pulse detecting unit, alarm unit is connected with data processing unit respectively, data processing unit is for the Ultraviolet sensor power supply that controls in ultraviolet pulse detecting unit and count ultraviolet pulse, control alarm unit report to the police for the process of 3 D electromagnetic field data, solve the problem of condensing type electroscope poor safety performance in prior art, reach remote, non-contact electricity testing, the effect of effective reduction Safety Risk in Production.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of instructions, and can become apparent, below especially exemplified by embodiment of the present utility model to allow above-mentioned and other objects, features and advantages of the present utility model.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and is not thought restriction of the present utility model.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the galvanoscopic composition frame chart according to the utility model embodiment;
Fig. 2 is the process flow diagram of the electricity-testing method according to the utility model embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.It is pointed out that when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Fig. 1 is the galvanoscopic composition frame chart according to the utility model embodiment, as shown in Figure 1, the electroscope of this embodiment comprises laser signal generating unit 10, electric field detecting unit 20, magnetic field detection unit 30, ultraviolet pulse detecting unit 40, alarm unit 50 and data processing unit 60.
Wherein, laser signal generating unit 10, electric field detecting unit 20, magnetic field detection unit 30, ultraviolet pulse detecting unit 40, alarm unit 50 are connected with data processing unit 60 respectively, data processing unit 60 for controlling Ultraviolet sensor power supply in ultraviolet pulse detecting unit 40 and to ultraviolet pulse counting, for three-dimensional electricity, magnetic field data process control alarm unit 50 and report to the police.
This galvanoscopic principle of work is, according to different electric pressure three-phase line (or charging equipment), the deflection that the 3 D electromagnetic field strength of measurement point produces the frequency of light and phase angle, compared with the standard three-dimensional electromagnetic intensity distribution curve of measurement point when normally working or pattern-recognition, whether can judge electric transmission line hot-line rapidly, be sounded alerting signal and display module display electrical verification result by alarm module.
Particularly, know-why is described as follows: during the work of transmission line of alternation current, the electric charge on wire and equipment will produce power frequency electric field in space, and the electric current in wire will produce power frequency magnetic field in space.Space field intensity is except ground, and spatial points electric field intensity is a rotating vector, and the size of Vector Mode changes along with the difference in direction, has maximal value in a direction, has a minimum value perpendicular to this direction.From the change of each point field intensity of liftoff different distance, the vertical component of field intensity only has obvious change along with the change of terrain clearance down and outside the mandarin orange of limit mutually middle, and all the other places then change very not obvious; And field intensity change is also very little in liftoff zero to 2 meter of this two place.Therefore, can think that vertical field intensity distributes in zero to 2 meter on the ground more even.The horizontal component of field intensity is zero on ground, increases gradually along with the increase of ground clearance.Because the horizontal component numerical value of field intensity in liftoff 2 meters is little, simultaneously because have phase angle difference in time to vertical component, the formate field intensity therefore within the scope of this, numerically little with vertical field intensity difference.In order to simplify, when consider the electrostatic induction of Near Ground people and object, only can consider the effect of the vertical component of field intensity, and it is regarded as uniform.Analyze after deliberation, like this process and within scope that the error that causes allows in engineering science.Liftoff higher time, vertical component and the horizontal component of field intensity increase sharply along with the increase of terrain clearance.When considering electrostatic induction, except will considering unevenness, the horizontal component of field intensity can not be ignored.By detecting the size of charged body space electric field intensity, calculate the grade of voltage, determine wire and equipment whether charged, thus noncontact wireless measurement can be realized.
In sum, light has fixing frequency and phase angle, and the voltage of different electric pressure produces the electric field varied in size, and when light contacts different electric pressure electric field, frequency, with phase angle, different deflection occurs.The data deflected and raw data contrast, and can draw corresponding electric pressure, thus achieve the electrical verification of full voltage grade.
Preferably, electric field detecting unit 20 comprises: the three-dimensional electric field signal acquisition module connected successively, the first signal follow module, the first signal amplification module, the first rectification module and the first filtration module, wherein, the first filtration module is connected with data processing unit again.
Wherein, three-dimensional electric field signal acquisition module is specially linear electro-optic effect sensor; First signal is followed module and is adopted voltage follower or complementary voltage follower, is used for reducing output resistance, improving carrying load ability; First signal amplification module have employed the operational amplification circuit that amplifies differential signal to suppress common mode interference signal (as INA128), the Main Function of this first signal amplification module improves voltage gain, and different electric pressure has analog switch to switch enlargement factor.First filtration module is for cutting down high-frequency interferencing signal; First rectification module converts AC signal to direct current signal, is made up of rectification circuit and rear class second order filter, and rear class wave filter is used for the filtration of ripple.
Preferably, magnetic field detection unit 30 comprises: the three-dimensional magnetic field signal acquisition module connected successively, secondary signal follow module, secondary signal amplification module, the second rectification module and the second filtration module.Wherein, the second filtration module is connected with data processing unit again.
Wherein, three-dimensional magnetic field signal acquisition module is specially two panels bidimensional magnetic field sensor (as HMC1022).Secondary signal is followed module and is adopted voltage follower or complementary voltage follower, to reduce output resistance, improves carrying load ability; Secondary signal amplification module have employed the operational amplification circuit that amplifies differential signal to suppress common mode interference signal, and the Main Function of this secondary signal amplification module improves voltage gain, and different electric pressure switches enlargement factor by analog switch.Second filtration module is for cutting down high-frequency interferencing signal; Second rectification module converts AC signal to direct current signal, is made up of rectification circuit and rear class second order filter, and rear class wave filter is used for the filtration of ripple.
Preferably, Ultraviolet sensor adopts day blind type Ultraviolet sensor, ultraviolet pulse detecting unit by day blind type Ultraviolet sensor, high-voltage power supply and pulse shaping circuit form.
Preferably, this electroscope also comprises: clock unit, three-dimensional acceleration unit, display unit and/or Temperature and Humidity unit, be connected with data processing unit respectively.DC simulation signal is converted to digital signal by the embedded A/D passage of data processing unit, after digital filtering and data intelligence process, whether action command is sent to alarm unit and display ternary according to the Recognition system obtained, alarm unit is by column loudspeaker audio alert, display ternary adopts color LCD display module, detection of electromagnetic fields intensity curve or ultraviolet pulse number can be shown, and show corresponding conclusion.
Further preferably, Temperature and Humidity unit is specially digital Temperature Humidity Sensor, by the interface uploading data of data processing unit.Three-dimensional acceleration unit is specially 3-axis acceleration sensor (as MMA7455L 3-axis acceleration sensor), is connected with data processing unit with I2C or SPI communication interface.
Fig. 2 is the process flow diagram of the electricity-testing method according to the utility model embodiment, and as shown in Figure 2, the method for this embodiment comprises following step S102 to step S110.
Step S102: send measurement light signal to measurement point, wherein, measurement point is transmission line of electricity or the equipment for the treatment of electrical verification.
This step completes by the laser signal generating unit 10 in embodiment 1.
Step S104: the deflection that the 3 D electromagnetic field detecting measurement point produces the frequency of light signal and phase angle, obtains detecting data.
This step completes jointly by the electric field detecting unit 20 in embodiment 1, magnetic field detection unit 30, ultraviolet pulse detecting unit 40.
Step S106: the standard three-dimensional magnetic distribution curve obtaining measurement point during normal work.
Step S108: Determination data and distribution curve, judges that whether measurement point is charged.
Step S110: export corresponding electrical verification signal according to judged result.
Above-mentioned steps S106 to step S110 completes by the data processing unit 60 in embodiment 1, when data processing unit 60 is charged according to judged result determination measurement point, controls alarm unit 50 and produces alerting signal.
From the description of above each embodiment, can find out, the utility model embodiment achieves following technique effect: correctly, full voltage round-the-clock to the high-tension line of 10kV, 35kV, 110kV, 220kV, 500kV alternating voltage, high-voltage operation equipment, remote, noncontact can carry out live detection, improve detect security, reliability, applicability and convenience, reach and improve the safe and reliable target of electrical verification.
It should be noted that, said apparatus or system embodiment belong to preferred embodiment, and involved unit and module might not be that the application is necessary.
Each preferred embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For the device embodiment of the application, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; any people being familiar with this technology is in the technical scope disclosed by the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (9)
1. an electroscope, it is characterized in that, electroscope comprises laser signal generating unit, electric field detecting unit, magnetic field detection unit, ultraviolet pulse detecting unit, alarm unit and data processing unit, wherein, described laser signal generating unit, described electric field detecting unit, described magnetic field detection unit, described ultraviolet pulse detecting unit, described alarm unit is connected with described data processing unit respectively, described data processing unit is for the Ultraviolet sensor power supply that controls in described ultraviolet pulse detecting unit and count ultraviolet pulse, control described alarm unit report to the police for the process of 3 D electromagnetic field data.
2. electroscope according to claim 1, is characterized in that, described electroscope also comprises:
Clock unit, three-dimensional acceleration unit, display unit and/or Temperature and Humidity unit, be connected with described data processing unit respectively.
3. electroscope according to claim 2, is characterized in that, described Temperature and Humidity unit is specially digital Temperature Humidity Sensor, by the interface uploading data of described data processing unit.
4. electroscope according to claim 2, is characterized in that, described three-dimensional acceleration unit is specially 3-axis acceleration sensor, is connected with described data processing unit with I2C or SPI communication interface.
5. electroscope according to claim 1, is characterized in that,
Described electric field detecting unit comprises: the three-dimensional electric field signal acquisition module connected successively, the first signal follow module, the first signal amplification module, the first rectification module and the first filtration module, wherein, described first filtration module is connected with described data processing unit again;
Described magnetic field detection unit comprises: the three-dimensional magnetic field signal acquisition module connected successively, secondary signal follow module, secondary signal amplification module, the second rectification module and the second filtration module, wherein, described second filtration module is connected with described data processing unit again.
6. electroscope according to claim 5, is characterized in that,
Described first signal is followed module and secondary signal and is followed module and be specially voltage follower or complementary voltage follower respectively, for reducing output resistance, improves carrying load ability.
7. electroscope according to claim 5, is characterized in that,
Described three-dimensional electric field signal acquisition module is specially linear electro-optic effect sensor;
Described three-dimensional magnetic field signal acquisition module is specially two panels bidimensional magnetic field sensor.
8. electroscope according to claim 5, is characterized in that,
Described first signal amplification module and described secondary signal amplification module include the operational amplification circuit amplified differential signal.
9. electroscope according to claim 1, is characterized in that, described Ultraviolet sensor adopts day blind type Ultraviolet sensor, described ultraviolet pulse detecting unit by day blind type Ultraviolet sensor, high-voltage power supply and pulse shaping circuit form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878642.1U CN205120813U (en) | 2015-11-05 | 2015-11-05 | Electroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878642.1U CN205120813U (en) | 2015-11-05 | 2015-11-05 | Electroscope |
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| Publication Number | Publication Date |
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| CN205120813U true CN205120813U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520878642.1U Expired - Fee Related CN205120813U (en) | 2015-11-05 | 2015-11-05 | Electroscope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606878A (en) * | 2015-11-05 | 2016-05-25 | 浙江安侣智能科技有限公司 | Electroscope and electroscopic method |
| CN106291136A (en) * | 2016-07-22 | 2017-01-04 | 广东卓维网络有限公司 | A kind of power frequency electric field detection method and Antistatic alarm |
| CN108717150A (en) * | 2018-05-11 | 2018-10-30 | 咸亨国际（杭州）电气制造有限公司 | A kind of Portable electricity detection device for electric cable and its method |
-
2015
- 2015-11-05 CN CN201520878642.1U patent/CN205120813U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606878A (en) * | 2015-11-05 | 2016-05-25 | 浙江安侣智能科技有限公司 | Electroscope and electroscopic method |
| CN106291136A (en) * | 2016-07-22 | 2017-01-04 | 广东卓维网络有限公司 | A kind of power frequency electric field detection method and Antistatic alarm |
| CN106291136B (en) * | 2016-07-22 | 2019-02-19 | 广东卓维网络有限公司 | A kind of power frequency electric field detection method and Antistatic alarm |
| CN108717150A (en) * | 2018-05-11 | 2018-10-30 | 咸亨国际（杭州）电气制造有限公司 | A kind of Portable electricity detection device for electric cable and its method |
| CN108717150B (en) * | 2018-05-11 | 2020-06-26 | 咸亨国际（杭州）电气制造有限公司 | Portable cable electricity testing device and method thereof |
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Granted publication date: 20160330 Termination date: 20161105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |