CN103487633A - Non-contact high-voltage line electroscope - Google Patents
Non-contact high-voltage line electroscope Download PDFInfo
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- CN103487633A CN103487633A CN201310471444.9A CN201310471444A CN103487633A CN 103487633 A CN103487633 A CN 103487633A CN 201310471444 A CN201310471444 A CN 201310471444A CN 103487633 A CN103487633 A CN 103487633A
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Abstract
The invention discloses a non-contact high-voltage line electroscope, comprising a capacitance-type sensor, a signal processing module, a singlechip, an indication module, a voice module, a signal transmission module and an alarm. The capacitance-type sensor is used for monitoring a high-voltage line electric field, generating a voltage signal and transmitting the voltage signal to the signal processing module; the signal processing module converts the received voltage signal into a digital signal and transmits the digital signal to the singlechip; the singlechip processes the received digital signal, transmits a charged or uncharged state indication signal to the indication module, transmits a voice signal to the voice module, transmits an alarm signal to an alarm module and transmits a transmission signal to the signal transmission module; the indication module displays the charged or uncharged state through a light-emitting diode; the voice module gives voice prompt according to the voice signal; the signal transmission module transmits the received transmission signal to a console; the alarm gives an alarm after receiving the alarm signal. The non-contact high-voltage line electroscope uses the singlechip as a detection and control core, provides both vision and voice prompts when giving electricity checking caution, and has steady system signal and high reliability.
Description
Technical field
The present invention relates to hi-line monitoring field, relate in particular to a kind of non-contact type high voltage line electroscope.
Background technology
Safety is the most important thing in production run, and the operation of ten danger is even more important, and must follow the regulation that power failure, electrical verification, extension ground start operation again when the high-tension line interruption maintenance, and electrical verification operates and must complete by electroscope.Electroscope is for detecting on power equipment one of electric power safety instrument commonly used that whether has voltage, clearly verify the standby whether really no-voltage of the labour that has a power failure by electroscope, carry out again other operations, to prevent charged attaching ground wire (splice grafting ground disconnecting link), to miss the generation of touching the serious accidents such as electric equipment, therefore, in power industry, galvanoscopic effect is very important.The non-contact type electricity checking device does not need directly to contact with hi-line when carrying out electrical verification work, uses safety, convenient.Electroscope on domestic market is of a great variety, and spread in performance is uneven, or, because a variety of causes causes electroscope malfunctioning, impact is normally used.The electroscope of this paper design adopts single-chip microcomputer as detecting and control core, has vision and voice suggestion when electrical verification is reminded concurrently, and system signal is stable, and reliability is high.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of non-contact type high voltage line electroscope that single-chip microcomputer is core of stablizing, take reliably.
For achieving the above object, the present invention takes following technical scheme:
A kind of non-contact type high voltage line electroscope, comprise capacitance type sensor, signal processing module, single-chip microcomputer, indicating module, voice module, signal delivery module and alarm.
Capacitance type sensor, for monitoring the hi-line electric field, and the formation voltage signal sends to signal processing module;
Signal processing module is converted to digital signal by the voltage signal received and sends to single-chip microcomputer;
Single-chip microcomputer is processed the digital signal received, and sends and electricity or electroless state indicator signal is arranged to indicating module, sends voice signal to voice module, sends alerting signal to alarm module, sends and transmits signal to the signal delivery module;
Indicating module has electricity or electroless state by diode displaying;
Voice module sends voice suggestion according to voice signal;
The signal delivery module sends to control desk by the transmission signal received;
Alarm is reported to the police after receiving alerting signal;
A ground wire of capacitance type sensor ground terminal is connected with indicating module ground terminal, voice module signal ground terminal, delivery module ground terminal, alarm ground terminal, and this ground wire connected mode can judge that whether the sensor transmissions circuit is intact.Now, if signal transmission line disconnects, this ground wire also disconnects, and indicating module, voice cue module, signal delivery module and alarm all can not be worked so, and signal lamp can not be luminous, voice module can be sent voice messaging, transmit electricity being arranged and also breaking without electric signal simultaneously of computer, can not send rub-out signal, improved the reliability of system, send wrongly without electric signal while avoiding signal wire to disconnect, cause the accident.
Further, single-chip microcomputer is chip SPE61A.This chip cost performance is high, and security and stability is good, can effectively adapt to outdoor work environment.
Beneficial effect: (1) the present invention adopts single-chip microcomputer SPE61A, and cost performance is high, good stability, can effectively adapt to outdoor work environment; (2) the present invention has vision and voice suggestion concurrently when electrical verification is reminded, and reliability is high; (3) the present invention is provided with alarm, when the signal gathered surpasses the setting value alarm, has increased galvanoscopic function, improves Electrical Safety, also is convenient to artificial response fast.
The accompanying drawing explanation
Fig. 1 is fundamental diagram of the present invention;
Fig. 2 is the signal circuit functional block diagram;
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of non-contact type high voltage line electroscope provided by the invention comprises: capacitance type sensor, and for monitoring the hi-line electric field, and the formation voltage signal sends to signal processing module; Signal processing module is converted to digital signal by the voltage signal received and sends to single-chip microcomputer; Single-chip microcomputer is processed the digital signal received, and sends and electricity or electroless state indicator signal is arranged to indicating module, sends voice signal to voice module, sends alerting signal to alarm module, sends and transmits signal to the signal delivery module; Indicating module has electricity or electroless state by diode displaying; Voice module sends voice suggestion according to voice signal; The signal delivery module sends to control desk by the transmission signal received; Alarm is reported to the police after receiving alerting signal;
This electroscope is usingd the SPE61A single-chip microcomputer as detecting and control core.Device adopts near electric field copper sheet formula Sensor monitoring hi-line, is sent to signal processing circuit after electric field signal is converted into to voltage signal, and signal processing circuit becomes electricity is arranged, without electric status signal, being sent to single-chip microcomputer of direct current by this analog signal conversion.Single-chip microcomputer compares the signal and the last signal that receive, if it is identical that the signal of this collection is caught up with time collection signal, continue the collection of signal next time, if different, send new signal to voice module, indicating module and signal delivery module, the signal of this collection is latched simultaneously, compared in order to the signal that gathered next time.Voice module has sent electricity or has pointed out without electricity voice after receiving signal; Indicating module has sent electricity or has indicated without electricity after receiving signal; The signal delivery module is received after signal and has been sent electricity or the electroless state signal is delivered to the Indoor Video control desk.
Below in conjunction with example, be further described:
(1) capacitive transducer
Sensor, for reading electric field signal, is the signal source of whole equipment.Sensor be installed in Distance High Voltage Electricity Transfer 0.8m under, for reading and change near electric field signal hi-line.Sensor in this device adopts the copper sheet capacitor design, draws respectively two wires from the electric capacity two ends, and wherein wire is as the positive pole of signal output, and another root ground connection, as ground wire.
In addition, for security needs, the ground terminal of sensor drawn more a ground wire (be called and detect ground wire) as circuit in the ground wire of indicating module, voice cue module and signal delivery module, for judging the sensor transmissions circuit whether intact.Now, if signal transmission line disconnects, this ground wire also disconnects, and indicating module, voice cue module and signal delivery module all can not be worked so, and signal lamp can not be luminous, voice module can be sent voice messaging, transmit electricity being arranged and also breaking without electric signal simultaneously of computer, can not send rub-out signal, improved the reliability of system, send wrongly without electric signal while avoiding signal wire to disconnect, cause the accident.
Sensor adopts the smooth shell design of closed semisphere, and thoroughly waterproof, meet the outside work requirement.
(2) signal processing module
As shown in Figure 2, signal is processed and is comprised of signal follow circuit, filtering circuit, voltage doubling rectifing circuit, subtraction circuit, amplifying circuit, schmidt trigger circuit, signal designation and pilot signal transtation mission circuit, and its schematic diagram as shown in Figure 2.Input signal is from the power frequency ac voltage signal of sending of sensor, this signal is followed also and is carried out filtering after forward bias through the signal follow circuit, then the AC signal voltage multiplying rectifier is become to direct current signal, subtracter cuts the undesired signal between adjacent lines, amplifier carries out signal to send into Schmidt trigger after necessary amplification, and trigger has been sent electricity, two kinds of signals of nothing electricity to single-chip microcomputer according to the size of input signal.This is prior art, at this, just is not described in detail.
(3) single-chip microcomputer
Native system adopts Ling Yang SPE61A single-chip microcomputer as detecting and control core.SPCE061A is the microcontroller of another 16 bit architecture of Ling Yang scientific & technical corporation release.It is designed with 2 16 IO ports.This controller can be worked in wider supply voltage scope (2.6～5.5V) and system clock frequency scope (0.375～24.576MHz), thereby except increasing to 16, improved operating rate data bus integrated more system peripherals resource in the single-chip microcomputer of SPE61A16 position.Large capacity ROM and static RAM (SRAM), infrared communication interface, the universal asynchronous full-duplex serial interface of RS-232,10 A/D and D/A conversion, built-in loudspeaker input channel, 32768Hz real-time clock and reset/low-voltage of the low-voltage monitoring system of controlling with automatic gain are wherein arranged.In addition, also embed LCD in SPE61A and controlled driving and dual-tone multifrequency signaling (DTMF) generator function etc.
The characteristics of SPE61A maximum are exactly built-in 7 path 10 position voltage A/D converters (ADC) and single channel sound A/D converter, and wherein, sound A/D converter input channel built-in microphone amplifier and automatic gain are controlled (AGC) function.This preliminary speech play and recognition function that made SPE61A possess.
In native system, input signal is mainly monitored and processed to the SPE61A single-chip microcomputer.After receiving from the signal of signal processing module, single-chip microcomputer will judge accordingly, and result is sent to subsequent conditioning circuit
(4) voice module
Information of voice prompt is processed the voice module carried by SPE61A and is completed.Directly external power amplifier and loudspeaker in this module in native system, information of voice prompt is sent by external loudspeaker.
(5) indicating module
Indicating module is comprised of two light emitting diodes, is respectively red and green, and red expression has electricity, the green expression without electricity.Because the SPE61A port has enough driving forces, therefore, in native system, directly light emitting diode is linked in one-chip machine port.
(6) signal delivery module
This electroscope not only will hi-line, whether charged state shows in indicating module, also this signal will be sent in the Indoor Video control desk and be monitored.If being sent to control desk by the electroscope device, signal just runs into a ground wire problem altogether, allow control desk correctly identify the signal that electroscope sends and just must make control desk and electroscope totally one ground wire, otherwise, can not be total to ground wire because transmission lines is long and cause the control desk identification signal to be made mistakes.The signal load mode of this device as shown in Figure 3; by the control desk transmitted signal; electricity is controlled by relay switch or without conducting or the disconnection of electric line in electroscope inside; control desk receives the two paths of signals of sending here through relay switch sent by oneself; if high level signal is sent on the live wire road here; without electric line, send low level here, now hi-line has electricity; If send high level signal here without electric line, low level is sent on the live wire road here, and hi-line is without electricity, if the two-way circuit all send here high level signal or low level signal circuit make mistakes.
In power amplifier in voice module, indicating module in light emitting diode and signal transmitting module control circuit all using and detect ground wire as ground wire, so just can complete the judgement to the sensor transmissions circuit, avoid the disconnection of sensor line and send wrong indication information.
In addition, because hardware all must be at outside work, therefore, whole hardware device all is installed in the water-proof metal shell with each particular design.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. a non-contact type high voltage line electroscope, is characterized in that: comprise capacitance type sensor, signal processing module, single-chip microcomputer, indicating module, voice module, signal delivery module and alarm;
Capacitance type sensor, for monitoring the hi-line electric field, and the formation voltage signal sends to signal processing module;
Signal processing module, be converted to digital signal for the voltage signal by receiving and send to single-chip microcomputer;
Single-chip microcomputer, processed for the digital signal to receiving, and sends and electricity or electroless state indicator signal are arranged to indicating module, sends voice signal to voice module, sends alerting signal to alarm module, sends and transmit signal to the signal delivery module;
Indicating module, for having electricity or electroless state by diode displaying;
Voice module, for sending voice suggestion according to voice signal;
The signal delivery module, send to control desk for the transmission signal by receiving;
Alarm is reported to the police after receiving alerting signal;
A ground wire of capacitance type sensor ground terminal is connected with indicating module ground terminal, voice module signal ground terminal, delivery module ground terminal, alarm ground terminal.
2. a kind of non-contact type high voltage line electroscope according to claim 1, it is characterized in that: described single-chip microcomputer is chip SPE61A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310471444.9A CN103487633A (en) | 2013-10-10 | 2013-10-10 | Non-contact high-voltage line electroscope |
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| CN201310471444.9A CN103487633A (en) | 2013-10-10 | 2013-10-10 | Non-contact high-voltage line electroscope |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849533A (en) * | 2015-06-08 | 2015-08-19 | 国家电网公司 | High-voltage electroscope |
| CN105044444A (en) * | 2015-07-30 | 2015-11-11 | 青岛歌尔声学科技有限公司 | High-voltage electric signal detection and alarming circuit and intelligent wristband having same |
| CN105158548A (en) * | 2015-08-24 | 2015-12-16 | 国家电网公司 | Novel high-voltage electroscope |
| CN105785107A (en) * | 2016-05-24 | 2016-07-20 | 国网天津市电力公司 | Safety alarm for near-electric detection |
| WO2016127907A1 (en) * | 2015-02-10 | 2016-08-18 | 冯春魁 | Portable digital smart device and high current detection method |
| CN106199222A (en) * | 2016-08-17 | 2016-12-07 | 众芯汉创（北京）科技有限公司 | A kind of contactless near field region electricity-testing method and device |
| CN106908651A (en) * | 2015-12-23 | 2017-06-30 | 上海新岸线电子技术有限公司 | A kind of induction type surveys method for electrically and surveys electric installation |
| CN107607777A (en) * | 2017-11-23 | 2018-01-19 | 长兴华阁耐物流装备有限公司 | A kind of double indicator lamp automatically retractable high voltage testing devices |
| CN108398591A (en) * | 2018-05-14 | 2018-08-14 | 河北亚润电力器具有限公司 | All-loop self-inspection electroscope |
| CN110501551A (en) * | 2019-08-30 | 2019-11-26 | 国网河南省电力公司商丘供电公司 | A kind of Utilities Electric Co.'s special high-pressure electroscope |
| CN110632371A (en) * | 2019-09-30 | 2019-12-31 | 深圳供电局有限公司 | Charged non-contact detection device and method for object surface |
| CN112684267A (en) * | 2020-12-02 | 2021-04-20 | 广东电网有限责任公司中山供电局 | Nearly electric alarm device |
| CN114325359A (en) * | 2020-09-28 | 2022-04-12 | 深圳市德安通科技有限公司 | Wireless multi-way switch dynamic monitoring method |
| CN114339848A (en) * | 2020-10-10 | 2022-04-12 | 深圳市德安通科技有限公司 | Automatic equipment fault detection system based on high-performance DTU (data transfer unit) module |
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2013
- 2013-10-10 CN CN201310471444.9A patent/CN103487633A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127907A1 (en) * | 2015-02-10 | 2016-08-18 | 冯春魁 | Portable digital smart device and high current detection method |
| CN104849533A (en) * | 2015-06-08 | 2015-08-19 | 国家电网公司 | High-voltage electroscope |
| CN104849533B (en) * | 2015-06-08 | 2017-01-18 | 国网山东省电力公司平原县供电公司 | High-voltage electroscope |
| CN105044444A (en) * | 2015-07-30 | 2015-11-11 | 青岛歌尔声学科技有限公司 | High-voltage electric signal detection and alarming circuit and intelligent wristband having same |
| CN105158548A (en) * | 2015-08-24 | 2015-12-16 | 国家电网公司 | Novel high-voltage electroscope |
| CN106908651A (en) * | 2015-12-23 | 2017-06-30 | 上海新岸线电子技术有限公司 | A kind of induction type surveys method for electrically and surveys electric installation |
| CN105785107A (en) * | 2016-05-24 | 2016-07-20 | 国网天津市电力公司 | Safety alarm for near-electric detection |
| CN106199222A (en) * | 2016-08-17 | 2016-12-07 | 众芯汉创（北京）科技有限公司 | A kind of contactless near field region electricity-testing method and device |
| CN107607777A (en) * | 2017-11-23 | 2018-01-19 | 长兴华阁耐物流装备有限公司 | A kind of double indicator lamp automatically retractable high voltage testing devices |
| CN108398591A (en) * | 2018-05-14 | 2018-08-14 | 河北亚润电力器具有限公司 | All-loop self-inspection electroscope |
| CN110501551A (en) * | 2019-08-30 | 2019-11-26 | 国网河南省电力公司商丘供电公司 | A kind of Utilities Electric Co.'s special high-pressure electroscope |
| CN110632371A (en) * | 2019-09-30 | 2019-12-31 | 深圳供电局有限公司 | Charged non-contact detection device and method for object surface |
| CN110632371B (en) * | 2019-09-30 | 2022-05-31 | 深圳供电局有限公司 | Charged non-contact detection device and method for object surface |
| CN114325359A (en) * | 2020-09-28 | 2022-04-12 | 深圳市德安通科技有限公司 | Wireless multi-way switch dynamic monitoring method |
| CN114339848A (en) * | 2020-10-10 | 2022-04-12 | 深圳市德安通科技有限公司 | Automatic equipment fault detection system based on high-performance DTU (data transfer unit) module |
| CN112684267A (en) * | 2020-12-02 | 2021-04-20 | 广东电网有限责任公司中山供电局 | Nearly electric alarm device |
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Application publication date: 20140101 |