CN105826118A - Telecontrol channel self-loop device - Google Patents
Telecontrol channel self-loop device Download PDFInfo
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- CN105826118A CN105826118A CN201610342063.4A CN201610342063A CN105826118A CN 105826118 A CN105826118 A CN 105826118A CN 201610342063 A CN201610342063 A CN 201610342063A CN 105826118 A CN105826118 A CN 105826118A
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- contact
- test
- transmission line
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- passage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/36—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of unattended substation automation systems, and provides a telecontrol channel self-loop device. The device comprises an insulating shell, a rotary switch, work contacts, and test contacts. The work contacts are fixedly mounted on the front side of the insulating shell from top to bottom. The test contacts are fixedly mounted on the back side of the insulating shell from top to bottom. The work contacts and the test contacts are electrically connected with a transmission line. The rotary switch capable of switching on/off the work contacts and the test contacts is mounted inside the insulating shell. The telecontrol channel self-loop device is reasonable and compact in structure, simple in operation and high in efficiency. The fault judge can be judged quickly, and relevant professionals can be quickly notified to handle the fault. The time of fault handling by professionals is reduced, the labor intensity of maintenance staff is reduced, the production cost of enterprises is saved, and the economic benefit of enterprises is improved.
Description
Technical field
The present invention relates to unattended operation transformer station automated system technical field, be that a kind of telecontrol channel is from loop device.
Background technology
Along with moving forward steadily of State Grid Corporation of China's construction " the last one three is excellent " intelligent grid strategic objective, transformer station is carried out unmanned.
Unattended operation transformer station is made by the automatic technologies such as microcomputer telecontrol device, and person on duty obtains relevant information in the distance, and is controlled the equipment in power transformation transformer station and manages.Telemechanical apparatus is the important component part of unattended operation transformer station automated system.Telemechanical apparatus delivering to remote monitoring center and regulation and control center in all information in transformer station, generally uses breath of delivering letters in network interface communication and serial communication mode by private communication passage.The equipment running status in if a distant place cannot monitor transformer station if the interruption of telemechanical apparatus tunneling traffic, therefore telecontrol channel interrupts being that a serious defect needs to process in time.When teletransmission passage breaks down; if the not on-site self-looped testing of relevant professional; decision problem cannot there is that section on earth in remote monitoring; due to cannot decision problem position, so operator, protect Automation Specialty personnel; the relevant personnel such as communication speciality personnel arrive scene and process; waste of manpower, material resources, financial resources.
Summary of the invention
The invention provides a kind of telecontrol channel from loop device, overcome the deficiency of above-mentioned prior art, it can effectively solve teletransmission passage when breaking down; if the not on-site self-looped testing of relevant professional; decision problem cannot there is that section on earth in remote monitoring, due to cannot decision problem position, so operator; protection Automation Specialty personnel; the relevant personnel such as communication speciality personnel arrive scene and process, waste of manpower, material resources; financial resources, the problem increasing the handling failure time.
The technical scheme is that and realized by following measures: a kind of telecontrol channel is from loop device, including insulation shell, rotary switch, operating contact, test contact, operating contact it is installed with the most respectively on front side of insulation shell, test contact it is installed with the most respectively on rear side of insulation shell, operating contact and test contact electrically connect with transmission line respectively, being provided with in insulation shell and operating contact and test contact can be made to disconnect and the rotary switch of conducting, rotary switch is divided into two positions of work and test.
Further optimization and/or improvements to foregoing invention technical scheme are presented herein below:
nullAbove-mentioned rotary switch haves three layers contact assembly altogether，Each layer of contact assembly includes spring、Front limit is protruding、Rear spacing preiection、Front movable contact、Rear movable contact、Front fixed contact、Rear fixed contact、Front-slider、Rear slider、Cam、Rotating shaft，In the center of insulation shell, rotary rotating shaft is installed，Rotating shaft is installed with cam，The front-slider withstanding on cam front-wheel profile surface it is installed with in cam front，It is protruding that insulation shell inside outer wall in front-slider front is installed with front limit，Between front-slider and front limit projection, spring is installed，Fixed contact before the front-slider left and right sides is installed with respectively，Front fixed contact is fixing with test contact to be connected，Being separately installed with in the front-slider left and right sides can row contacts with front fixed contact later front movable contact，The rear slider withstanding on cam trailing wheel profile surface it is installed with at cam rear，Spacing preiection after the insulation shell inside outer wall at rear slider rear is installed with，Between rear slider and rear spacing preiection, spring is installed，Fixed contact after the rear slider left and right sides is installed with respectively，Rear fixed contact is fixing with operating contact to be connected，The rear movable contact contacted with rear fixed contact that can move ahead it is separately installed with in the rear slider left and right sides.
nullAbove-mentioned operating contact has 6，It is respectively the 1st operating contact、2nd operating contact、3rd operating contact、4th operating contact、5th operating contact、6th operating contact，Test contact has 6，It is respectively the 7th test contact、8th test contact、9th test contact、10th test contact、11st test contact、12nd test contact，Transmission line has 3，It is that passage receives transmission line respectively、Passage sends out transmission line、Passage ground transmission line，Passage receives the first outfan and the electrical connection of the 1st operating contact of transmission line，Passage receives the second outfan and the 8th test contact electrical connection of transmission line，Passage receives the 3rd outfan and the 9th test contact electrical connection of transmission line，Passage sends out the first outfan and the electrical connection of the 3rd operating contact of transmission line，Passage sends out the second outfan and the 7th test contact electrical connection of transmission line，Passage sends out the 3rd outfan and the 10th test contact electrical connection of transmission line，First outfan of passage ground transmission line and the electrical connection of the 5th operating contact，Second outfan of passage ground transmission line and the 11st test contact electrical connection，Second outfan of passage ground transmission line and the 12nd test contact electrical connection，2nd operating contact、4th operating contact、6th operating contact respectively the most successively with the receipts of telemechanical apparatus、Send out、The transmission line electrical connection of 3, ground.
Above-mentioned operating contact is work terminal screw, and test contact is test terminal screw.
Present configuration is reasonable and compact, simple to operate, and efficiency is high, fault coverage can be judged rapidly, notify that skilled addressee carries out handling failure, reduce the time of professional's handling failure, reduce the labor intensity of maintainer, save the production cost of enterprise, improve the economic benefit of enterprise.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of preferred embodiment.
Fig. 2 is that serial digital passage is from ring schematic diagram.
Fig. 3 is the rotary switch overall structure schematic diagram of preferred embodiment.
Fig. 4 is each layer of contact assembly end face structure schematic diagram of switch.
It is insulation shell that coding in accompanying drawing is respectively as follows: 1, and 2 is rotary switch, and 3 is test contact, 4 receive transmission line for passage, and 5 send out transmission line for passage, and 6 is passage ground transmission line, 7 is spring, and 8 is rear spacing preiection, and 9 is rear movable contact, 10 is rear fixed contact, and 11 is rear slider, and 12 is cam, 13 is rotating shaft, and 14 is front fixed contact, and 15 is that front limit is protruding, 16 is front movable contact, and 17 is front-slider.
Detailed description of the invention
The present invention is not limited by following embodiment, can determine specific embodiment according to technical scheme and practical situation.
In the present invention, for the ease of describing, the description of the relative position relation of each parts is all that the Butut mode according to Figure of description 4 is described, such as: the position relationship of upper and lower, left and right etc. is based on the Butut direction of Figure of description 4 and determines.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described:
As shown in Figure 1, this telecontrol channel includes insulation shell 1, rotary switch 2, operating contact, test contact 3 from loop device, operating contact it is installed with the most respectively on front side of insulation shell 1, test contact 3 it is installed with the most respectively on rear side of insulation shell 1, operating contact and test contact 3 electrically connect with transmission line respectively, are provided with the rotary switch 2 that operating contact and test contact 3 can be made to disconnect and turn in insulation shell 1.Rotary switch 2 is divided into two positions of work and test.
Further optimization and/or improvements to foregoing invention technical scheme are presented herein below:
nullAs shown in Figure 4，This telecontrol channel haves three layers contact assembly altogether from the rotary switch of loop device，Each layer of contact assembly includes spring 7、Front limit projection 15、Rear spacing preiection 8、Front movable contact 16、Rear movable contact 9、Front fixed contact 14、Rear fixed contact 10、Front-slider 17、Rear slider 11、Cam 12、Rotating shaft 13，Rotary rotating shaft 13 is installed in the center of insulation shell 1，Rotating shaft 13 is installed with cam 12，The front-slider 17 withstanding on cam 12 front-wheel profile surface it is installed with in cam 12 front，Insulation shell 1 inside outer wall in front-slider 17 front is installed with front limit projection 15，Spring 7 is installed between front-slider 17 and front limit projection 15，Fixed contact 14 before front-slider 17 left and right sides is installed with respectively，Front fixed contact 14 is fixing with test contact 3 to be connected，Being separately installed with in front-slider 17 left and right sides can row contacts with front fixed contact 14 later front movable contact 16，The rear slider 11 withstanding on cam 12 trailing wheel profile surface it is installed with at cam 12 rear，Spacing preiection 8 after insulation shell 1 inside outer wall at rear slider 11 rear is installed with，Spring 7 is installed between rear slider 11 and rear spacing preiection 8，Fixed contact 10 after rear slider 11 left and right sides is installed with respectively，Rear fixed contact 10 is fixing with operating contact to be connected，It is separately installed with the rear movable contact 9 contacted with rear fixed contact 10 that can move ahead in rear slider 11 left and right sides.
nullAs shown in Figure 2，This telecontrol channel has 6 from the operating contact of loop device，It is respectively the 1st operating contact、2nd operating contact、3rd operating contact、4th operating contact、5th operating contact、6th operating contact，Test contact 3 has 6，It is respectively the 7th test contact 3、8th test contact 3、9th test contact 3、10th test contact 3、11st test contact 3、12nd test contact 3，Transmission line has 3，It is that passage receives transmission line 5 respectively、Passage sends out transmission line 6、Passage ground transmission line 7，Passage receives the first outfan and the electrical connection of the 1st operating contact of transmission line 5，Second outfan and the 8th test contact 3 of passage receipts transmission line 5 electrically connect，3rd outfan and the 9th test contact 3 of passage receipts transmission line 5 electrically connect，Passage sends out the first outfan and the electrical connection of the 3rd operating contact of transmission line 6，Passage sends out the second outfan of transmission line 6 and the 7th test contact 3 electrically connects，Passage sends out the 3rd outfan of transmission line 6 and the 10th test contact 3 electrically connects，First outfan of passage ground transmission line 7 and the electrical connection of the 5th operating contact，Second outfan and the 11st test contact 3 of passage ground transmission line 7 electrically connect，Second outfan and the 12nd test contact 3 of passage ground transmission line 7 electrically connect，2nd operating contact、4th operating contact、6th operating contact respectively the most successively with the receipts of telemechanical apparatus、Send out、The transmission line electrical connection of 3, ground.
Operating contact is work terminal screw, and test contact 3 is test terminal screw.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
The present invention is used for serial digital passage, is also applied for serial ports analog channel.
The use process of preferred embodiment:
nullWhen this telecontrol channel from loop device be serial digital passage from loop device time，Operationally，Passage is received the first outfan and the electrical connection of the 1st operating contact of transmission line 5，Second outfan and the 8th test contact 3 of passage receipts transmission line 5 electrically connect，3rd outfan and the 9th test contact 3 of passage receipts transmission line 5 electrically connect，Passage sends out the first outfan and the electrical connection of the 3rd operating contact of transmission line 6，Passage sends out the second outfan of transmission line 6 and the 7th test contact 3 electrically connects，Passage sends out the 3rd outfan of transmission line 6 and the 10th test contact 3 electrically connects，First outfan of passage ground transmission line 7 and the electrical connection of the 5th operating contact，Second outfan and the 11st test contact 3 of passage ground transmission line 7 electrically connect，Second outfan and the 12nd test contact 3 of passage ground transmission line 7 electrically connect，2nd operating contact、4th operating contact、6th operating contact respectively the most successively with the receipts of telemechanical apparatus、Send out、The transmission line electrical connection of 3, ground，After checking that wiring is errorless，Rotary switch 2 is rotated to operating position，1st operating contact and the 2nd operating contact、3rd operating contact and the 4th operating contact、5th operating contact and the conducting of the 6th operating contact，Contact 3 is tested in 7th test contact the 3 and the 8th、Contact 3 is tested in 9th test contact the 3 and the 10th、11st test contact 3, test contact the 3 and the 12nd disconnects，When remote monitoring Spot detection interrupts situation to transformer station's telecontrol channel，After operator on duty has notice and reaches the spot，Rotary switch 2 is rotated to test position，Contact 3 is tested in 7th test contact the 3 and the 8th、Contact 3 is tested in 9th test contact the 3 and the 10th、11st test contact 3, test contact the 3 and the 12nd turns on，1st operating contact and the 2nd operating contact、3rd operating contact and the 4th operating contact、5th operating contact and the 6th operating contact disconnect，I.e. passage is received and sends out short circuit，Formed main website to substation whole passage from ring status，Therefore can failure judgement position.
nullWhen this telecontrol channel from loop device be serial ports analog channel from loop device time，Operating contact has 8，It is respectively the 1st operating contact、2nd operating contact、3rd operating contact、4th operating contact、5th operating contact、6th operating contact、7th operating contact、8th operating contact，Test contact has 8，It is respectively the 9th test contact、10th test contact、11st test contact、12nd test contact、13rd test contact、14th test contact、15th test contact、16th test contact，Transmission line has 4，It is respectively passage and receives 1 transmission line、Passage sends out 1 transmission line、Passage receives 2 transmission lines、Passage sends out 2 transmission lines，Operationally，Passage is received the first outfan and the electrical connection of the 1st operating contact of 1 transmission line，Passage receives the second outfan and the 10th test contact electrical connection of 1 transmission line，Passage receives the 3rd outfan and the 11st test contact electrical connection of 1 transmission line，Passage sends out the first outfan and the electrical connection of the 3rd operating contact of 1 transmission line，Passage sends out the second outfan and the 9th test contact electrical connection of 1 transmission line，Passage sends out the 3rd outfan and the 12nd test contact electrical connection of 1 transmission line，Passage receives the first outfan and the electrical connection of the 5th operating contact of 2 transmission lines，Passage receives the second outfan and the 14th test contact electrical connection of 2 transmission lines，Passage receives the second outfan and the 15th test contact electrical connection of 2 transmission lines，Passage sends out the first outfan and the electrical connection of the 7th operating contact of 2 transmission lines，Passage sends out the second outfan and the 13rd test contact electrical connection of 2 transmission lines，Passage sends out the second outfan and the 16th test contact electrical connection of 2 transmission lines，2nd operating contact、4th operating contact、6th operating contact、8th operating contact is sequentially connected electrically the receipts 1 of telemechanical apparatus respectively、Send out 1、Receive 2、Send out on 2 transmission lines，After checking that wiring is errorless，Rotary switch 2 is rotated to operating position，1st operating contact and the 2nd operating contact、3rd operating contact and the 4th operating contact、5th operating contact and the 6th operating contact、7th operating contact and the conducting of the 8th operating contact，9th test contact and the 10th test contact、11st test contact and the 12nd test contact、13rd test contact and the 14th test contact、15th test contact and the 16th test contact disconnect，When remote monitoring Spot detection interrupts situation to transformer station's telecontrol channel，After operator on duty has notice and reaches the spot，Rotary switch 2 is rotated to test position，9th test contact and the 10th test contact、11st test contact and the 12nd test contact、13rd test contact and the 14th test contact、15th test contact and the 16th test contact conducting，1st operating contact and the 2nd operating contact、3rd operating contact and the 4th operating contact、5th operating contact and the 6th operating contact、7th operating contact and the 8th operating contact disconnect，I.e. passage is received and sends out short circuit，Formed main website to substation whole passage from ring status，Therefore can failure judgement position.
Claims (5)
1. a telecontrol channel is from loop device, it is characterized in that: include insulation shell, rotary switch, operating contact, test contact, operating contact it is installed with the most respectively on front side of insulation shell, test contact it is installed with the most respectively on rear side of insulation shell, operating contact and test contact electrically connect with transmission line respectively, be provided with operating contact and test contact can be made to disconnect and the rotary switch of conducting in insulation shell.
nullTelecontrol channel the most according to claim 1 is from loop device，It is characterized in that: described rotary switch haves three layers contact assembly altogether，Each layer of contact assembly includes spring、Front limit is protruding、Rear spacing preiection、Front movable contact、Rear movable contact、Front fixed contact、Rear fixed contact、Front-slider、Rear slider、Cam、Rotating shaft，In the center of insulation shell, rotary rotating shaft is installed，Rotating shaft is installed with cam，The front-slider withstanding on cam front-wheel profile surface it is installed with in cam front，It is protruding that insulation shell inside outer wall in front-slider front is installed with front limit，Between front-slider and front limit projection, spring is installed，Fixed contact before the front-slider left and right sides is installed with respectively，Front fixed contact is fixing with test contact to be connected，Being separately installed with in the front-slider left and right sides can row contacts with front fixed contact later front movable contact，The rear slider withstanding on cam trailing wheel profile surface it is installed with at cam rear，Spacing preiection after the insulation shell inside outer wall at rear slider rear is installed with，Between rear slider and rear spacing preiection, spring is installed，Fixed contact after the rear slider left and right sides is installed with respectively，Rear fixed contact is fixing with operating contact to be connected，The rear movable contact contacted with rear fixed contact that can move ahead it is separately installed with in the rear slider left and right sides.
nullTelecontrol channel the most according to claim 1 and 2 is from loop device，It is characterized in that: described operating contact has 6，It is respectively the 1st operating contact、2nd operating contact、3rd operating contact、4th operating contact、5th operating contact、6th operating contact，Test contact has 6，It is respectively the 7th test contact、8th test contact、9th test contact、10th test contact、11st test contact、12nd test contact，Transmission line has 3，It is that passage receives transmission line respectively、Passage sends out transmission line、Passage ground transmission line，Passage receives the first outfan and the electrical connection of the 1st operating contact of transmission line，Passage receives the second outfan and the 8th test contact electrical connection of transmission line，Passage receives the 3rd outfan and the 9th test contact electrical connection of transmission line，Passage sends out the first outfan and the electrical connection of the 3rd operating contact of transmission line，Passage sends out the second outfan and the 7th test contact electrical connection of transmission line，Passage sends out the 3rd outfan and the 10th test contact electrical connection of transmission line，First outfan of passage ground transmission line and the electrical connection of the 5th operating contact，Second outfan of passage ground transmission line and the 11st test contact electrical connection，Second outfan of passage ground transmission line and the 12nd test contact electrical connection，2nd operating contact、4th operating contact、6th operating contact respectively the most successively with the receipts of telemechanical apparatus、Send out、The transmission line electrical connection of 3, ground.
Telecontrol channel the most according to claim 1 and 2 is from loop device, it is characterised in that: described operating contact is work terminal screw, and test contact is test terminal screw.
Telecontrol channel the most according to claim 3 is from loop device, it is characterised in that: described operating contact is work terminal screw, and test contact is test terminal screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342063.4A CN105826118B (en) | 2016-05-19 | 2016-05-19 | Telecontrol channel is from loop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342063.4A CN105826118B (en) | 2016-05-19 | 2016-05-19 | Telecontrol channel is from loop device |
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| Publication Number | Publication Date |
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| CN105826118A true CN105826118A (en) | 2016-08-03 |
| CN105826118B CN105826118B (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610342063.4A Active CN105826118B (en) | 2016-05-19 | 2016-05-19 | Telecontrol channel is from loop device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614479A (en) * | 2018-04-23 | 2018-10-02 | 国网天津市电力公司电力科学研究院 | A kind of communication port having automatic switching function is from loop device |
| CN112804082A (en) * | 2020-12-25 | 2021-05-14 | 深圳供电局有限公司 | Fault location system |
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| CN205789652U (en) * | 2016-05-19 | 2016-12-07 | 国网新疆电力公司伊犁供电公司 | Telecontrol channel is from loop device |
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| CN1700379A (en) * | 2005-04-28 | 2005-11-23 | 江阴长江电器有限公司 | Universal change-over switch |
| WO2008095990A1 (en) * | 2007-02-09 | 2008-08-14 | Texas Instruments Limited | Loopback circuit |
| CN201174325Y (en) * | 2007-04-02 | 2008-12-31 | 上海核工双虹电器控制有限公司 | Switch suitable for low-voltage switch and control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108614479A (en) * | 2018-04-23 | 2018-10-02 | 国网天津市电力公司电力科学研究院 | A kind of communication port having automatic switching function is from loop device |
| CN112804082A (en) * | 2020-12-25 | 2021-05-14 | 深圳供电局有限公司 | Fault location system |
| CN112804082B (en) * | 2020-12-25 | 2023-06-06 | 深圳供电局有限公司 | Fault location system |
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| Publication number | Publication date |
|---|---|
| CN105826118B (en) | 2018-05-11 |
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