CN203798898U - High-voltage electriferous display locking device - Google Patents
High-voltage electriferous display locking device Download PDFInfo
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- CN203798898U CN203798898U CN201420038855.9U CN201420038855U CN203798898U CN 203798898 U CN203798898 U CN 203798898U CN 201420038855 U CN201420038855 U CN 201420038855U CN 203798898 U CN203798898 U CN 203798898U
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- 239000003990 capacitor Substances 0.000 claims description 12
- 230000005501 phase interface Effects 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
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- 238000004891 communication Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a high-voltage electriferous display locking device. The high-voltage electriferous display locking device includes high-voltage sensors, shielding cables and a display; the display is provided with electriferous state indicating lamps of which the number is corresponding to the number of the high-voltage sensors; an electronic circuit module is arranged in the display; the display is provided with a computer key interface and data transmission interfaces; the electronic circuit module includes an electriferous signal detection circuit; one end of the electriferous signal detection circuit is connected with the output of the high-voltage sensors, and the other end of the electriferous signal detection circuit is connected with the data transmission interfaces; and power supply ends of the electriferous signal detection circuit and the data transmission interfaces are connected with a power supply terminal of the computer key interface. The high-voltage electriferous display locking device of the utility model can accurately indicate the electriferous states of high-voltage equipment and high-voltage electric lines, and therefore, electrical misoperation and fault entry of electriferous intervals can be avoided; and the high-voltage electriferous display locking device can be also combined with fault locking prevention devices such as computer keys so as to realize electriferous forced detection and locking functions of on-site high-voltage equipment, and therefore, man-made misoperation accidents can be prevented.
Description
Technical field
The utility model relates to the checkout equipment of electric system, is specifically related to a kind of high-voltage electriferous display locking device.
Background technology
High voltage display device is for being used for detecting the electriferous state of high-tension apparatus and ultra-high-tension power transmission line the equipment that utilizes the visible signals such as flash of light clearly to indicate in electric system.When carrying out overhaul of the equipments, the information that operating personnel provide according to high voltage display device, the electriferous state of judgement high-tension apparatus, thus prevent from causing accident because of mistakenly entering charged chamber or maloperation equipment.
At present, the high voltage display device of domestic use comprises high pressure sensor, display and shielded cable, between high pressure sensor and display, by shielded cable, connects.Existing high voltage display device only has electriferous state deixis, and not with the function of electro-detection, electrical verification and locking, also the interface that does not carry out data interaction with the mis-locking prevention equipment such as computer key, cannot form enforceable, complete detection and anti-misoperation and control, have the hidden danger of very large human accident.
Utility model content
The deficiency that the utility model exists for existing high voltage display device, provides a kind of novel high-voltage electriferous display locking device.The purpose of this utility model is realized by following technical scheme:
A high-voltage electriferous display locking device, comprises high pressure sensor, shielded cable and display; Shielded cable is the electrical connection of high pressure sensor and display, is provided with the electriferous state pilot lamp with high pressure sensor corresponding number on display, is provided with electronic circuit module in display; It is characterized in that, on display, be provided with computer key interface and data transmission interface, described electronic circuit module comprises charged signal testing circuit, and this charged signal testing circuit one end connects the output of high pressure sensor, other end connection data transmission interface; The feeder ear of charged signal testing circuit and data transmission interface connects a power supply terminal of described computer key interface.
As concrete technical scheme, on display, be also provided with RFID Wireless code sheet, be installed in the middle cavity of described computer key interface.
As concrete technical scheme, described electronic circuit module comprises drive circuit of indicator, and this drive circuit of indicator comprises the branch road with high pressure sensor corresponding number, and each branch road comprises half-wave rectifying circuit, storage capacitor and reverse parallel connection diode; The half-wave rectifying circuit of each branch road connects the output of a corresponding high pressure sensor, and storage capacitor connects the output of half-wave rectifying circuit, and reverse parallel connection diode is in parallel with storage capacitor after connecting with a corresponding electriferous state pilot lamp.
As concrete technical scheme, described charged signal testing circuit comprises filtering discharge circuit, A/D modular converter and micro-processor interface circuit; Filtering discharge circuit connects the output of high pressure sensor, and the signal that high pressure sensor is brought carries out filtering, shaping, amplification; A/D modular converter is converted to digital signal by this through filtering, shaping, amplifying signal; Micro-processor interface circuit is to digital signal processing, and is connected with infrared data transmission interface.
As concrete technical scheme, described display is also provided with band electro-detection and nuclear phase interface, is connected respectively the output of corresponding high pressure sensor by the branch road with high pressure sensor corresponding number.
The high-voltage electriferous display locking device that the utility model provides has following beneficial effect: (1) can accurately indicate the electriferous state of high-tension apparatus, high-voltage electrical apparatus circuit, prevents electric misoperation, prevents mistakenly entering charged chamber; (2) can form the function of the charged compulsory test of on-the-spot high-tension apparatus and locking together with the anti-misoperation locking devices such as computer key, can effectively prevent the generation of artificial misoperation fault; (3) adopt charged signal testing circuit highly reliable, high stability, can obtain reliable, stable electriferous state information, and communicate by letter with computer key by several causes for gossip of data communication are existing; (4) provide band electro-detection and nuclear phase interface, can utilize common multimeter manually to detect high-tension apparatus electriferous state.
Accompanying drawing explanation
Fig. 1 is the application structure schematic diagram of the high-voltage electriferous display locking device that provides of embodiment.
Fig. 2 be the high-voltage electriferous display locking device that provides of embodiment housing face structural representation.
Fig. 3 is the backsight structural representation of the housing of the high-voltage electriferous display locking device that provides of embodiment.
Fig. 4 is the inner structure schematic diagram of the high-voltage electriferous display locking device that provides of embodiment.
Fig. 5 is the schematic block circuit diagram of the high-voltage electriferous display locking device that provides of embodiment.
Fig. 6 is the schematic diagram of drive circuit of indicator in the high-voltage electriferous display locking device that provides of embodiment.
Embodiment
As shown in Figure 1, the high-voltage electriferous display locking device that the present embodiment provides, comprises high pressure sensor 1, shielded cable 2 and display 3.The two ends of shielded cable 2 are electrically connected with high pressure sensor 1 and display 3 respectively.High pressure sensor 1 has three, surveys respectively A/B/C three-phase high-voltage electric wire signal.
Shown in Fig. 2, Fig. 3 and Fig. 4, display 3 includes housing 31, RFID Wireless code sheet 32, computer key interface 33, infrared data transmission interface 34, band electro-detection and nuclear phase interface 35, electriferous state pilot lamp 36 and electronic circuit module 37.Electronic circuit module 37 is arranged at housing 31 inside, RFID Wireless code sheet 32, computer key interface 33, infrared data transmission interface 34, with electro-detection and nuclear phase interface 35, electriferous state pilot lamp 36, be arranged on the front panel of housing 31, and all with electronic circuit module 37 electrical connections.Particularly, RFID Wireless code sheet 32 is arranged in the cavity in the middle of computer key interface 33, and infrared data transmission interface 34 is positioned at the below of the cavity in the middle of computer key interface 33.Electriferous state pilot lamp 36 is three LED lamps, is respectively used to indicate A/B/C three-phase high-voltage electric wire.In addition, on the rear panel of housing 31, offer shielded cable perforation 38, for shielded cable 2, wear.
As shown in Figure 5, electronic circuit module 37 comprises drive circuit of indicator 371 and charged signal testing circuit 372.
Wherein, drive circuit of indicator 371 comprises the identical branch road of three road circuit theory diagrams, and as shown in Figure 6, each branch road comprises half-wave rectifying circuit, storage capacitor and reverse parallel connection diode.The half-wave rectifying circuit of each branch road connects the output of a corresponding high pressure sensor, and storage capacitor connects the output of half-wave rectifying circuit, and reverse parallel connection diode is in parallel with storage capacitor after connecting with an electriferous state pilot lamp 36.The high voltage display device that the utility model provides, the working method of its pilot lamp is passive mode, be mainly: high pressure sensor 1 is converted to low-voltage signal by the high pressure on high-tension apparatus, by shielded cable 2, flow to the electronic circuit module in display 3, electronic circuit module receives after this low-voltage signal, through half-wave rectifying circuit rectification, and charges to storage capacitor, storage capacitor is full of after electricity, by reverse parallel connection diode, drives corresponding electriferous state pilot lamp 36.Because drive circuit of indicator of the present utility model has adopted storage capacitor, energy storage in the faint measuring-signal that high pressure sensor can be sent here, then disposable release to be to light electriferous state pilot lamp 36, thereby do not need external power source can indicate the electriferous state of high-tension apparatus.
In addition, band electro-detection and nuclear phase interface 35, connect respectively the output of a corresponding high pressure sensor by three branch roads.Detection principle with electro-detection and nuclear phase interface 35 in the utility model is: utilize multimeter 220V to exchange shelves, test respectively the voltage of A, B, C tri-relative E, if arbitrary phase voltage between AC4～20V, confirms that high-tension apparatus is charged, otherwise, confirm that high-tension apparatus is without electricity.The utility model is by providing band electro-detection and nuclear phase interface 35, and whether operating personnel can utilize common multimeter manually to detect high-tension apparatus charged, make operating personnel can judge according to various ways the electriferous state of high-tension apparatus.
Continuation is referring to Fig. 5, and described charged signal testing circuit 372 comprises filtering discharge circuit 3721, A/D modular converter 3722 and micro-processor interface circuit 3723.Filtering discharge circuit 3721 connects the output of high pressure sensor, and the signal that high pressure sensor is brought carries out filtering, shaping, amplification; 2722 of A/D modular converters are converted to digital signal by this through filtering, shaping, amplifying signal, digital signal is done Fourier transform through micro-processor interface circuit 3723 and is processed, judgement has electricity or without electricity, judge that whether high-tension apparatus is charged, and be connected with infrared data transmission interface 34, by infrared data transmission interface 34 and the computer key that is connected in computer key interface 33, communicate, for having uploaded electricity or having ceased without telecommunications.
The feeder ear of charged signal testing circuit 372 connects the power supply terminal of computer key interface 33.When above-mentioned filtering discharge circuit 3721, A/D modular converter 3722 and micro-processor interface circuit 3723, infrared data transmission interface 34 are flat without electricity, in off position; When computer key need to be with the communication of this high-voltage electriferous display locking device, information by RFID Wireless code sheet 32 on computer key reading device, after authentication, by computer key interface 33, supply with 5V power supply, filtering discharge circuit 3721, A/D modular converter 2722 and micro-processor interface circuit 3723, infrared data transmission interface 34 are started working, uploaded electricity or ceased without telecommunications, or the program on-line upgrading that receives computer key transmitting order to lower levels and carry out micro-processor interface circuit 3722.This working method can make the utility model without external power supply or battery, has reduced greatly the workload of safeguarding.And can reach the operating process of compulsory test and electrical verification by coordinating with the anti-misoperation locking device such as computer key, reduce the generation of misoperation fault.
The utility model, by RFID Wireless code sheet 32 is set, makes each high-voltage electriferous display locking device all with unique ID code, only has code value to check correctly, could operate high-voltage electriferous display locking device.And the chip that the utility model provides is RFID chip, be contactless reading code, increased the reliability of reading code, reduce the probability that chip damages, thereby reduced the workload that chip is safeguarded.
Each embodiment, only for fully open unrestricted the utility model, is understandable that above, and the replacement or the increase and decrease that without creative work, are achievable equivalence techniques feature should belong to the application scope of disclosure.
Claims (5)
1. a high-voltage electriferous display locking device, comprises high pressure sensor, shielded cable and display; Shielded cable is the electrical connection of high pressure sensor and display, is provided with the electriferous state pilot lamp with high pressure sensor corresponding number on display, is provided with electronic circuit module in display; It is characterized in that, on display, be provided with computer key interface and data transmission interface, described electronic circuit module comprises charged signal testing circuit, and this charged signal testing circuit one end connects the output of high pressure sensor, other end connection data transmission interface; The feeder ear of charged signal testing circuit and data transmission interface connects a power supply terminal of described computer key interface.
2. high-voltage electriferous display locking device according to claim 1, is characterized in that, is also provided with RFID Wireless code sheet on described display, is installed in the middle cavity of described computer key interface.
3. high-voltage electriferous display locking device according to claim 1, it is characterized in that, described electronic circuit module comprises drive circuit of indicator, this drive circuit of indicator comprises the branch road with high pressure sensor corresponding number, and each branch road comprises half-wave rectifying circuit, storage capacitor and reverse parallel connection diode; The half-wave rectifying circuit of each branch road connects the output of a corresponding high pressure sensor, and storage capacitor connects the output of half-wave rectifying circuit, and reverse parallel connection diode is in parallel with storage capacitor after connecting with a corresponding electriferous state pilot lamp.
4. high-voltage electriferous display locking device according to claim 1, is characterized in that, described charged signal testing circuit comprises filtering discharge circuit, A/D modular converter and micro-processor interface circuit; Filtering discharge circuit connects the output of high pressure sensor, and the signal that high pressure sensor is brought carries out filtering, shaping, amplification; A/D modular converter is converted to digital signal by this through filtering, shaping, amplifying signal; Micro-processor interface circuit is to digital signal processing, and is connected with described data transmission interface.
5. high-voltage electriferous display locking device according to claim 1, is characterized in that, described display is also provided with band electro-detection and nuclear phase interface, is connected respectively the output of corresponding high pressure sensor by the branch road with high pressure sensor corresponding number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038855.9U CN203798898U (en) | 2014-01-21 | 2014-01-21 | High-voltage electriferous display locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038855.9U CN203798898U (en) | 2014-01-21 | 2014-01-21 | High-voltage electriferous display locking device |
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| CN203798898U true CN203798898U (en) | 2014-08-27 |
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| CN201420038855.9U Expired - Lifetime CN203798898U (en) | 2014-01-21 | 2014-01-21 | High-voltage electriferous display locking device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785106A (en) * | 2016-02-26 | 2016-07-20 | 国网天津市电力公司 | Grounding transformer low-voltage side live display |
| CN109461235A (en) * | 2018-10-25 | 2019-03-12 | 长园共创电力安全技术股份有限公司 | A kind of electrical verification method for unlocking |
| CN109473876A (en) * | 2018-04-09 | 2019-03-15 | 国家电网公司 | A kind of high-tension switch cabinet blocking device and its control method for adopting code verifying |
| CN109473871A (en) * | 2018-04-09 | 2019-03-15 | 国家电网公司 | A kind of high-tension switch cabinet earthing switch blade computer anti-misoperation and lockout device and method |
| CN110118886A (en) * | 2019-05-21 | 2019-08-13 | 福建福清核电有限公司 | A kind of multimeter test pen having electrification early warning and blocking function |
| CN111474401A (en) * | 2020-04-27 | 2020-07-31 | 长园共创电力安全技术股份有限公司 | High-voltage charged display device with fault detection function and fault detection method |
-
2014
- 2014-01-21 CN CN201420038855.9U patent/CN203798898U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785106A (en) * | 2016-02-26 | 2016-07-20 | 国网天津市电力公司 | Grounding transformer low-voltage side live display |
| CN109473876A (en) * | 2018-04-09 | 2019-03-15 | 国家电网公司 | A kind of high-tension switch cabinet blocking device and its control method for adopting code verifying |
| CN109473871A (en) * | 2018-04-09 | 2019-03-15 | 国家电网公司 | A kind of high-tension switch cabinet earthing switch blade computer anti-misoperation and lockout device and method |
| CN109473871B (en) * | 2018-04-09 | 2020-07-14 | 国家电网公司 | Microcomputer anti-misoperation locking device and method for grounding knife switch of high-voltage switch cabinet |
| CN109473876B (en) * | 2018-04-09 | 2020-11-13 | 国家电网公司 | High-voltage switch cabinet locking device for code collection verification and control method thereof |
| CN109461235A (en) * | 2018-10-25 | 2019-03-12 | 长园共创电力安全技术股份有限公司 | A kind of electrical verification method for unlocking |
| CN109461235B (en) * | 2018-10-25 | 2021-04-13 | 长园共创电力安全技术股份有限公司 | Electricity testing unlocking method |
| CN110118886A (en) * | 2019-05-21 | 2019-08-13 | 福建福清核电有限公司 | A kind of multimeter test pen having electrification early warning and blocking function |
| CN110118886B (en) * | 2019-05-21 | 2021-06-29 | 福建福清核电有限公司 | Universal meter test pen with live warning and locking functions |
| CN111474401A (en) * | 2020-04-27 | 2020-07-31 | 长园共创电力安全技术股份有限公司 | High-voltage charged display device with fault detection function and fault detection method |
| CN111474401B (en) * | 2020-04-27 | 2023-04-11 | 长园共创电力安全技术股份有限公司 | High-voltage charged display device with fault detection function and fault detection method |
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Granted publication date: 20140827 |
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| CX01 | Expiry of patent term |