CN203787791U - Ring main unit high-voltage live display block system with forced block function - Google Patents
Ring main unit high-voltage live display block system with forced block function Download PDFInfo
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- CN203787791U CN203787791U CN201320816557.3U CN201320816557U CN203787791U CN 203787791 U CN203787791 U CN 203787791U CN 201320816557 U CN201320816557 U CN 201320816557U CN 203787791 U CN203787791 U CN 203787791U
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Abstract
The utility model discloses a ring main unit high-voltage live display block system with a forced block function. The system comprises a high-voltage live display device, a coding mechanical padlock, a computer key, a transmission adapter, and an upper computer. When the system is used, the computer key firstly performs live-line test operation on a device, and the next step operation can be performed when the device is ensured to be not electrified, if not, operation is forbidden. After determining the ring main unit is not electrified, the computer key also determines whether code of the mechanical lock is correct or not. If the code is correct, the lock would be opened after an unlocking button is pressed. If the code is not corresponding, unlocking is forbidden, so as to prevent misoperation accidents of a live grounding blade from occurring.
Description
Technical field
The utility model relates to a kind of HV live displaying block sytem, particularly relates to a kind of ring main unit HV live displaying block sytem with forced blocking function.
Background technology
" five is anti-" is the abbreviation that prevents five kinds of electric misoperations in electric power system, by mistake point, by mistake close circuit breaker, on-load opening and closing isolating switch, band cable address (closing) ground connection burst at the seams (switch), line with ground (switch) closes circuit breaker (isolating switch), mistakenly entering charged chamber.Therefore, various switchgears must have certain operating sequence, otherwise will cause serious consequence even to occur operating accident.It is reported that current existing ring main unit is generally provided with high voltage display device, object is alert equipment live state in the time carrying out overhaul of the equipments, prevents because being strayed into interval or misoperation equipment causes misoperation fault.The deficiency of this device is, the charged display device of installing on equipment mostly at present is prompting-type, adopt neon lamp as having used the devices such as vacuum discharge tube in indicator elment or product, therefore the life-span is short, poor reliability, on-the-spot well damage in service, and owing to lacking actual forced blocking means and supporting interlock, cannot locking outgoing line side grounding switch or cabinet door, there are the major safety risks such as charged co-grounding switch, operating personnel's mistakenly entering charged chamber.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of ring main unit HV live displaying block sytem with forced blocking function.
The technical solution adopted in the utility model is:
A ring main unit HV live displaying block sytem with forced blocking function, comprises high voltage display device, mechanical coded padlock, computer key, transmission adaptor, host computer;
Described high voltage display device comprises and is installed in the display unit on ring main unit and is installed in the sensor unit on high voltage bus, and described display unit is connected with sensor unit; Described high voltage display device also comprises electroscope, and described electroscope is provided with the relay circuit that is connected with sensor unit and the electrical verification interface for coordinating with computer key, and wherein said relay circuit comprises an energising normally opened relay;
Described mechanical coded padlock is installed in earth connection stake, and described mechanical coded padlock has the RFID label that comprises the electronic code of identifying electrical verification position;
Described computer key have CPU module and be connected with CPU module respectively for show the display screen, voice cue module of content of operation, with transmission adaptor carry out the irda infrared transmission module of communication, for detection of ring main unit live whether electrical verification testing circuit, for gather electronic code wireless probe, the double trip lever that does puzzle lock conductive electrode, control the unlock button that trip lever is unblanked;
Described transmission adaptor is provided with the irda infrared communication interface mating with the irda infrared transmission module of computer key;
Described host computer is connected by data line with transmission adaptor.
As the improvement of technique scheme, the display unit of described high voltage display device and sensor unit are respectively with backup battery.
As the improvement of technique scheme, described display unit is provided with the LED light that is used to indicate equipment live.
As the improvement of technique scheme, described sensor unit comprises three high pressure sensors, and described high pressure sensor is inductosyn or touch sensor.
As the further improvement of technique scheme, three high pressure sensors are connected with display unit, relay circuit by shielded type cable.
The beneficial effects of the utility model are: a kind of ring main unit HV live displaying block sytem with forced blocking function that the utility model adopts, when use, first computer key can carry out electrical verification operation to equipment, only just can carry out next step operation without electric in the situation that at definite equipment, otherwise quiescing.The utility model adopts active negative electricity-testing method, its anti-misoperation locking is more reliable than active positive electricity-testing method, this is because positive electrical verification may because loose contact or wiring error amount are locked in computer key and electrical verification, to be mistaken for a circuit less than electric current not charged, then cause the charged serious accident that closes ground cutter, and this situation has been avoided in negative electrical verification effectively.After definite ring main unit is without electricity, computer key also can judge that whether the coding of mechanical lock is correct, if correct, press unlock button and lock can be opened; If it is not corresponding to encode, forbid unblanking, prevent that the misoperation fault of charged earthing from occurring thereby reach.The utility model also adopts advanced RFID wireless radiofrequency recognition technology, and code is adopted in noncontact, and stable, greatly improve useful life, and absolutely not repeated code occurs.High voltage display device of the present utility model inside provides backup battery, after the external power source of device loses suddenly, can also correctly indicate and move a period of time.
Brief description of the drawings
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is structure principle chart of the present utility model;
Fig. 2 is the structure principle chart of high voltage display device of the present utility model;
Fig. 3 is the structure principle chart of computer key of the present utility model.
embodiment
Referring to figs. 1 through Fig. 3, a kind of ring main unit HV live displaying block sytem with forced blocking function of the present utility model, comprises high voltage display device 1, mechanical coded padlock 2, computer key 3, transmission adaptor 4, host computer 5.
Described high voltage display device 1 comprises the display unit 11 being installed on ring main unit 6 and is installed in the sensor unit 12 on high voltage bus, and described display unit 11 is connected with sensor unit 12; Described high voltage display device 1 also comprises electroscope 13, and described electroscope 13 is provided with the relay circuit 131 that is connected with sensor unit 12 and the electrical verification interface 132 for coordinating with computer key 3.Described sensor unit 12 comprises three high pressure sensors 121, whether chargedly detect respectively three-phase bus, described high pressure sensor 121 is inductosyn or touch sensor, three high pressure sensors 121 are connected with display unit 11, relay circuit 12 by shielded type cable, to reduce the interference of nearly phase circuit.The relay circuit 131 of described electroscope 13 comprises an energising normally opened relay and access external power source, the utility model adopts active negative electricity-testing method, in the time that the interior three-phase bus of ring main unit 6 is all not charged, the closing of contact of normally opened relay, computer key 3 inserts in electrical verification interface 132, forms loop, because there is power supply access outside, thereby electric current detected, show two buss lines no-voltage.The active negative electricity-testing method that the utility model adopts is compared with the positive electricity-testing method of commonly using, its anti-misoperation locking is more reliable, this is because positive electrical verification may because of computer key 3 and 132 loose contacts of electrical verification interface or wiring error amount, to be mistaken for a circuit less than electric current not charged, then cause the charged serious accident that closes ground cutter, and negative electrical verification can have been avoided this situation effectively.
Described mechanical coded padlock 4 is installed in earth connection stake, and described mechanical coded padlock 4 has the RFID label that comprises the electronic code of identifying electrical verification position.
Described computer key 3 have CPU module 31 and be connected with CPU module 31 respectively for show the display screen 32, voice cue module 33 of content of operation, with transmission adaptor 4 carry out the irda infrared transmission module 34 of communication, for detection of the whether charged electrical verification testing circuit 35 of ring main unit 6, for gather electronic code wireless probe 38, the double trip lever 37 that does puzzle lock conductive electrode, control the unlock button 38 that trip lever 37 is unblanked.
Described host computer 5 is connected by data line with transmission adaptor 4.Described transmission adaptor 4 is provided with the irda infrared communication interface mating with the irda infrared transmission module 34 of computer key 3.The interior pre-stored operation rules that has equipment of host computer 5, host computer 5 carries out Wireless Data Transmission by irda infrared communication interface and the computer key 3 of transmission adaptor 4, and computer key 3 receives by its irda infrared transmission module 34 content of operation that host computer 5 transmits.
The utility model in use, host computer 5 is conveyed into correct content of operation to computer key 3 by transmission adaptor 4, computer key 3 receives content of operation and leaves in the built-in FLASH memory of CPU module 31, and operating personnel can operate to scene with computer key 3 immediately.Operating personnel find corresponding operand according to ring main unit 6 codings that show on computer key 3, then the trip lever 37 of computer key 3 is inserted in electrical verification interface 131, if the bus cable of the interior any phase of ring main unit 6 is charged, computer key 3 can provide the charged prompting of circuit, and cannot carry out next step operation, on the contrary, if three-phase bus cable is all not charged, computer key 3 can pass through in prompting electrical verification, please carry out next step operation.After determining that equipment is not charged, operating personnel inject computer key 3 in the lockhole of mechanical coded padlock 2, read the electronic code of RFID label by wireless probe 36, then carry out logic judgement, the ring main unit 6 that only has the electronic code when mechanical coded padlock 2 to store with electron key 3 encode corresponding one by one under, computer key 3 just can be exported unlocking signal, as long as now operating personnel press unlock button 38 on computer key 3, just can manipulate computer key 3, mechanical coded padlock 2 is opened.
Further, the display unit 11 of described high voltage display device 1 and sensor unit 12 are respectively with backup battery.After the external power source of device loses suddenly, a period of time can also correctly be indicated and move to this HV live displaying block sytem.
Further, described display unit 11 is provided with the LED light that is used to indicate equipment live, to replace the device of the short easy inefficacy of similar gas discharge tube equivalent life that conventional high-tension charged display device 1 uses, has improved the security reliability of system.
The above, be preferred embodiment of the present utility model, and the present invention is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (5)
1. a ring main unit HV live displaying block sytem with forced blocking function, is characterized in that: comprise high voltage display device (1), mechanical coded padlock (2), computer key (3), transmission adaptor (4), host computer (5);
Described high voltage display device (1) comprises the display unit (11) being installed on ring main unit (6) and is installed in the sensor unit (12) on high voltage bus, and described display unit (11) is connected with sensor unit (12); Described high voltage display device also comprises electroscope (13), described electroscope (13) is provided with the relay circuit (131) that is connected with sensor unit (12) and the electrical verification interface (132) for coordinating with computer key (3), and wherein said relay circuit (131) comprises an energising normally opened relay;
Described mechanical coded padlock (2) is installed in earth connection stake, and described mechanical coded padlock (2) has the RFID label that comprises the electronic code of identifying electrical verification position;
Described computer key (3) have CPU module (31) and be connected with CPU module (31) respectively for showing the display screen (32) of content of operation, voice cue module (33), the irda infrared transmission module (34) of carrying out communication with transmission adaptor (4), for detection of the whether charged electrical verification testing circuit (35) of ring main unit (6), for gathering the wireless probe (36) of electronic code, the double trip lever (37) that does puzzle lock conductive electrode, control the unlock button (38) that trip lever (37) is unblanked,
Described transmission adaptor (4) is provided with the irda infrared communication interface mating with the irda infrared transmission module (34) of computer key (3);
Described host computer (5) is connected by data line with transmission adaptor (4).
2. a kind of ring main unit HV live displaying block sytem with forced blocking function according to claim 1, is characterized in that: the display unit (11) of described high voltage display device (1) and sensor unit (12) are respectively with backup battery.
3. a kind of ring main unit HV live displaying block sytem with forced blocking function according to claim 1 and 2, is characterized in that: described display unit (11) is provided with the LED light that is used to indicate equipment live.
4. a kind of ring main unit HV live displaying block sytem with forced blocking function according to claim 1 and 2, it is characterized in that: described sensor unit (12) comprises three high pressure sensors (121), described high pressure sensor (121) is inductosyn or touch sensor.
5. a kind of ring main unit HV live displaying block sytem with forced blocking function according to claim 4, is characterized in that: three high pressure sensors (121) are connected with display unit (11), relay circuit (14) by shielded type cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816557.3U CN203787791U (en) | 2013-12-11 | 2013-12-11 | Ring main unit high-voltage live display block system with forced block function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816557.3U CN203787791U (en) | 2013-12-11 | 2013-12-11 | Ring main unit high-voltage live display block system with forced block function |
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| Publication Number | Publication Date |
|---|---|
| CN203787791U true CN203787791U (en) | 2014-08-20 |
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| CN201320816557.3U Expired - Fee Related CN203787791U (en) | 2013-12-11 | 2013-12-11 | Ring main unit high-voltage live display block system with forced block function |
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| CN (1) | CN203787791U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104408795A (en) * | 2014-11-19 | 2015-03-11 | 范世鹏 | Integrated system of intelligent key for power distribution network and method for utilizing integrated system |
| CN105092939A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Sound-type wireless high voltage detection apparatus |
| CN105092938A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Acousto-optic wireless high voltage detection apparatus |
| CN105488872A (en) * | 2014-09-19 | 2016-04-13 | 珠海优特电力科技股份有限公司 | Switch cabinet misoperation-preventive locking device and working method thereof |
| 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 |
| CN110137008A (en) * | 2019-04-29 | 2019-08-16 | 贵州电网有限责任公司 | A kind of access control system of preventing mistakenly entering charged chamber |
| CN111193203A (en) * | 2020-02-29 | 2020-05-22 | 深圳市瑞智电力股份有限公司 | Intelligent control terminal of low-voltage power distribution cabinet |
| CN112102527A (en) * | 2020-09-14 | 2020-12-18 | 广东电网有限责任公司广州供电局 | Power grid equipment operation method and device, computer equipment and storage medium |
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2013
- 2013-12-11 CN CN201320816557.3U patent/CN203787791U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105488872A (en) * | 2014-09-19 | 2016-04-13 | 珠海优特电力科技股份有限公司 | Switch cabinet misoperation-preventive locking device and working method thereof |
| CN105488872B (en) * | 2014-09-19 | 2018-03-02 | 珠海优特电力科技股份有限公司 | Switch cubicle anti-misoperation locking device and its method of work |
| CN104408795A (en) * | 2014-11-19 | 2015-03-11 | 范世鹏 | Integrated system of intelligent key for power distribution network and method for utilizing integrated system |
| CN105092939A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Sound-type wireless high voltage detection apparatus |
| CN105092938A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Acousto-optic wireless high voltage detection apparatus |
| CN105092939B (en) * | 2015-07-27 | 2017-12-29 | 国家电网公司 | A kind of sound type wireless high-voltage detection means |
| CN105092938B (en) * | 2015-07-27 | 2018-06-29 | 国家电网公司 | A kind of acousto-optic type wireless high-voltage detection device |
| 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 |
| 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 |
| 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 |
| CN110137008A (en) * | 2019-04-29 | 2019-08-16 | 贵州电网有限责任公司 | A kind of access control system of preventing mistakenly entering charged chamber |
| CN110137008B (en) * | 2019-04-29 | 2021-05-25 | 贵州电网有限责任公司 | Prevent mistake and go into electrified spaced access control system |
| CN111193203A (en) * | 2020-02-29 | 2020-05-22 | 深圳市瑞智电力股份有限公司 | Intelligent control terminal of low-voltage power distribution cabinet |
| CN111193203B (en) * | 2020-02-29 | 2022-03-18 | 深圳市瑞智电力股份有限公司 | Intelligent control terminal of low-voltage power distribution cabinet |
| CN112102527A (en) * | 2020-09-14 | 2020-12-18 | 广东电网有限责任公司广州供电局 | Power grid equipment operation method and device, computer equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20191211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |