CN105826118B - Telecontrol channel is from loop device - Google Patents
Telecontrol channel is from loop device Download PDFInfo
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- CN105826118B CN105826118B CN201610342063.4A CN201610342063A CN105826118B CN 105826118 B CN105826118 B CN 105826118B CN 201610342063 A CN201610342063 A CN 201610342063A CN 105826118 B CN105826118 B CN 105826118B
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- contact
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- transmission line
- passage
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- 238000012360 testing method Methods 0.000 claims abstract description 119
- 230000005540 biological transmission Effects 0.000 claims abstract description 75
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to unattended operation transformer station automated system technical field, it is a kind of telecontrol channel from loop device, it includes insulation shell, rotary switch, operating contact, test contact, it is installed with operating contact respectively from top to bottom on front side of insulation shell, it is installed with test contact respectively from top to bottom on rear side of insulation shell, operating contact and test contact are electrically connected with transmission line respectively, and the rotary switch that can make operating contact and test contact disconnection and conducting is provided with insulation shell.Reasonable and compact in structure of the present invention, it is easy to operate, it is efficient, fault coverage can be judged rapidly, notifies skilled addressee to carry out handling failure, reduce the time of professional's handling failure, the labor intensity of service personnel is reduced, saves the production cost of enterprise, improves the economic benefit of enterprise.
Description
Technical field
It is a kind of telecontrol channel from loop device the present invention relates to unattended operation transformer station automated system technical field.
Background technology
As State Grid Corporation of China's construction " the last one three is excellent " intelligent grid strategic objective moves forward steadily, substation is carried out
It is unattended.
Unattended operation transformer station is to obtain related letter in the distance by the automatic technologies such as microcomputer telecontrol device, person on duty
Breath, and the equipment in power transformation substation is controlled and managed.Telemechanical apparatus is unattended operation transformer station automated system
Important component.Telemechanical apparatus by private communication passage be sent in all information in substation remote monitoring center and
Regulation and control center, generally using breath of delivering letters in network interface communication and serial communication mode.If telemechanical apparatus tunneling traffic is remote if interrupting
The defects of Fang Wufa monitors the equipment running status in substation, therefore telecontrol channel interruption is one serious needs to locate in time
Reason.When teletransmission passage breaks down, if the not on-site self-looped testing of related professional, remote monitoring can not decision problem arrive
Bottom there are that section, due to can not decision problem position, so operator, protects Automation Specialty personnel, communication
The relevant personnel such as professional arrive scene and are handled, waste of manpower, material resources, financial resources.
The content of the invention
The present invention provides a kind of telecontrol channel from loop device, the deficiency of the above-mentioned prior art is overcome, it can effectively be solved
When certainly teletransmission passage breaks down, if the not on-site self-looped testing of related professional, remote monitoring can not decision problem arrive
Bottom there are that section, due to can not decision problem position, so operator, protects Automation Specialty personnel, communication
The problem of relevant personnel such as professional arrive scene and are handled, waste of manpower, material resources, financial resources, the increase handling failure time.
The technical scheme is that realized by following measures：A kind of telecontrol channel is from loop device, including insulate
Housing, rotary switch, operating contact, test contact, are installed with operating contact respectively from top to bottom on front side of insulation shell,
It is installed with test contact respectively from top to bottom on rear side of insulation shell, operating contact and test contact are electric with transmission line respectively
Connection, is provided with the rotary switch that can make operating contact and test contact disconnection and conducting, rotary switch point in insulation shell
To work and testing two positions.
Here is the further optimization and/or improvements to foregoing invention technical solution：
Above-mentioned rotary switch haves three layers contact assembly altogether, and it is raised, rear spacing that each layer of contact assembly includes spring, front limit
Raised, preceding movable contact, rear movable contact, preceding fixed contact, rear fixed contact, front-slider, rear slider, cam, shaft, exhausted
The center of edge housing is provided with rotary shaft, and cam is installed with shaft, is installed with front of cam
The front-slider of cam front-wheel profile surface is withstood on, the insulation shell inside outer wall in front of front-slider is installed with front limit protrusion,
Spring is installed between front-slider and front limit protrusion, fixed contact before being installed with respectively at left and right sides of front-slider,
Preceding fixed contact is fixedly connected with test contact, and be separately installed with left and right sides of front-slider row to connect with preceding fixed contact later
Tactile preceding movable contact, the rear slider for withstanding on cam trailing wheel profile surface is installed with cam rear, in the exhausted of rear slider rear
Rear limit protrusion is installed with the inside of edge housing exterior walls, spring is installed between rear slider and rear limit protrusion, in rear cunning
Rear fixed contact is installed with respectively at left and right sides of block, and rear fixed contact is fixedly connected with operating contact, in rear slider or so
Both sides are separately installed with the rear movable contact that can be moved ahead and be contacted with rear fixed contact.
Above-mentioned operating contact shares 6, is respectively the 1st operating contact, the 2nd operating contact, the 3rd operating contact, the 4th work
Contact, the 5th operating contact, the 6th operating contact, test contact share 6, are respectively the 7th test contact, the 8th test contact, the
9 test contacts, the 10th test contact, the 11st test contact, the 12nd test contact, transmission line share 3, are that passage receipts pass respectively
Transmission line, the first output terminal that passage receives transmission line are electrically connected with the 1st operating contact with sending out transmission line, passage for defeated line, passage, are led to
The second output terminal that transmission line is received in road is electrically connected with the 8th test contact, and passage receives the 3rd output terminal of transmission line and the 9th test is touched
Point is electrically connected, and the first output terminal of passage hair transmission line is electrically connected with the 3rd operating contact, and passage sends out the second output terminal of transmission line
Is electrically connected with the 7th test contact, the 3rd output terminal of passage hair transmission line and the 10th is tested contact and is electrically connected, passage ground transmission line
The first output terminal be electrically connected with the 5th operating contact, passage the second output terminal of transmission line with the 11st test contact be electrically connected,
Passage the second output terminal of transmission line with the 12nd test contact is electrically connected, the 2nd operating contact, the 4th operating contact, the 6th work
Contact respectively successively the sending and receiving with telemechanical apparatus, 3 transmission lines be electrically connected.
Above-mentioned operating contact is work terminal screw, and test contact is test terminal screw.
Reasonable and compact in structure of the present invention, it is easy to operate, it is efficient, fault coverage can be judged rapidly, notified related special
Industry personnel carry out handling failure, reduce the time of professional's handling failure, reduce the labor intensity of service personnel, save enterprise
Production cost, improve the economic benefit of enterprise.
Brief description of the drawings
Attached drawing 1 is the overall structure diagram of preferred embodiment.
Attached drawing 2 is serial digital passage from ring schematic diagram.
Attached drawing 3 is the rotary switch overall structure diagram of preferred embodiment.
Attached drawing 4 is each layer of contact assembly end structure illustration of switch.
Coding in attached drawing is respectively：1 is insulation shell, and 2 be rotary switch, and 3 receive transmission for test contact, 4 for passage
Line, 5 send out transmission line for passage, and 6 be passage ground transmission line, and 7 be spring, and 8 be rear limit protrusion, and 9 be rear movable contact, after 10 are
Fixed contact, 11 be rear slider, and 12 be cam, and 13 be shaft, and 14 be preceding fixed contact, and 15 is raised for front limit, and 16 be preceding work
Moving contact, 17 be front-slider.
Embodiment
The present invention from following embodiments limitation, can technique according to the invention scheme and actual conditions determine specifically
Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each component is according to Figure of description 4
Butut mode be described, such as：The position relationship of upper and lower, left and right etc. is the Butut direction according to Figure of description 4
Come what is determined.
With reference to embodiment and attached drawing, the invention will be further described：
As shown in Figure 1, which touches from loop device including insulation shell 1, rotary switch 2, operating contact, test
Point 3, is installed with operating contact in the front side of insulation shell 1, distinguishes from top to bottom in the rear side of insulation shell 1 respectively from top to bottom
Test contact 3 is installed with, operating contact and test contact 3 are electrically connected with transmission line, are provided with insulation shell 1 respectively
It can make operating contact and test the rotary switch 2 that contact 3 disconnects and turns on.Rotary switch 2 is divided to for two positions of work and test.
Here is the further optimization and/or improvements to foregoing invention technical solution：
As shown in Figure 4, which haves three layers contact assembly altogether from the rotary switch of loop device, each layer of contact group
Part include spring 7, front limit protrusion 15, rear limit protrusion 8, preceding movable contact 16, rear movable contact 9, preceding fixed contact 14, after
Fixed contact 10, front-slider 17, rear slider 11, cam 12, shaft 13, are provided with rotary in the center of insulation shell 1
Shaft 13, is installed with cam 12 in shaft 13, is installed with the front of cam 12 and withstands on 12 front-wheel profile surface of cam
Front-slider 17,1 inside outer wall of insulation shell in the front of front-slider 17 are installed with front limit protrusion 15, front-slider 17 with
Spring 7 is installed, fixed contact 14 before being installed with respectively in the left and right sides of front-slider 17 is preceding solid between front limit protrusion 15
Fixed contact 14 is fixedly connected with test contact 3, and being separately installed with the left and right sides of front-slider 17 can row and preceding fixed contact later
The preceding movable contact 16 of 14 contacts, the rear slider 11 for withstanding on 12 trailing wheel profile surface of cam is installed with 12 rear of cam, rear
1 inside outer wall of insulation shell at 11 rear of sliding block is installed with rear limit protrusion 8, rear slider 11 and rear limit protrusion 8 it
Between spring 7 is installed, fixed contact 10 after being installed with respectively in the left and right sides of rear slider 11, rear fixed contact 10 and work
Contact is fixedly connected, and the rear activity that being separately installed with the left and right sides of rear slider 11 can move ahead and be contacted with rear fixed contact 10 is touched
First 9.
As shown in Figure 2, which shares 6 from the operating contact of loop device, is respectively the 1st operating contact, the 2nd
Operating contact, the 3rd operating contact, the 4th operating contact, the 5th operating contact, the 6th operating contact, test contact 3 share 6, point
Not Wei the 7th test contact the 3, the 8th test contact the 3, the 9th test contact the 3, the 10th test contact the 3, the 11st test contact the 3, the 12nd survey
Contact 3 is tried, transmission line shares 3, is that receive with receiving transmission line 5, passage hair transmission line 6, passage by transmission line 7, passage for passage respectively
First output terminal of transmission line 5 is electrically connected with the 1st operating contact, and passage receives the second output terminal and the 8th test contact of transmission line 5
3 are electrically connected, and the 3rd output terminal that passage receives transmission line 5 is electrically connected with the 9th test contact 3, the first output of passage hair transmission line 6
End is electrically connected with the 3rd operating contact, and the second output terminal of passage hair transmission line 6 is electrically connected with the 7th test contact 3, and passage hair passes
3rd output terminal of defeated line 6 with the 10th test contact 3 be electrically connected, passage transmission line 7 the first output terminal and the 5th operating contact
Be electrically connected, passage the second output terminal of transmission line 7 with the 11st test contact 3 be electrically connected, passage transmission line 7 second export
End with the 12nd test contact 3 be electrically connected, the 2nd operating contact, the 4th operating contact, the 6th operating contact distinguish successively with telemechanical apparatus
Sending and receiving, 3 transmission lines be electrically connected.
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, it is imitated with stronger adaptability and optimal implementation
Fruit, can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to being actually needed.
The present invention is used for serial digital passage, is also applied for serial ports analog channel.
The use process of preferred embodiment：
When the telecontrol channel from loop device be serial digital passage from loop device when, at work, passage receive transmission line 5
The first output terminal be electrically connected with the 1st operating contact, passage receive transmission line 5 the second output terminal with the 8th test contact 3 be electrically connected
Connect, passage receive transmission line 5 the 3rd output terminal with the 9th test contact 3 be electrically connected, passage hair transmission line 6 the first output terminal and
3rd operating contact is electrically connected, and the second output terminal of passage hair transmission line 6 is electrically connected with the 7th test contact 3, passage hair transmission line 6
The 3rd output terminal be electrically connected with the 10th test contact 3, passage the first output terminal of transmission line 7 be electrically connected with the 5th operating contact
Connect, passage the second output terminal of transmission line 7 with the 11st test contact 3 be electrically connected, passage the second output terminal of transmission line 7 with
12nd test contact 3 is electrically connected, the 2nd operating contact, the 4th operating contact, the 6th operating contact respectively successively with telemechanical apparatus
Sending and receiving, 3 transmission lines be electrically connected, after checking that wiring is errorless, rotary switch 2 is rotated to operating position, the 1st operating contact
Turned on the 2nd operating contact, the 3rd operating contact and the 4th operating contact, the 5th operating contact and the 6th operating contact, the 7th test is touched
It is disconnected that contact 3 is tested in 3 and the 8th test contact the 3, the 9th test contact 3 and the 10th test contact the 3, the 11st test contact 3 and the 12nd of point
Open, when remote monitoring Spot detection to substation's telecontrol channel interruption situation, after operator on duty has notice arrival scene, general
Rotary switch 2 is rotated to test position, and the 7th test contact 3 and the 8th tests contact the 3, the 9th and tests the test contact of contact 3 and the 10th
3rd, the 11st test contact 3 and the 12nd is tested contact 3 and is turned on, the 1st operating contact and the 2nd operating contact, the 3rd operating contact and the 4th
Operating contact, the 5th operating contact and the 6th operating contact disconnect, i.e., short circuit is received and sent out to passage, form main website to the whole logical of substation
Road from ring status, therefore can failure judgement position.
When the telecontrol channel from loop device be serial ports analog channel from loop device when, operating contact shares 8, is respectively the
1 operating contact, the 2nd operating contact, the 3rd operating contact, the 4th operating contact, the 5th operating contact, the 6th operating contact, the 7th work
Contact, the 8th operating contact, test contact share 8, be respectively the 9th test contact, the 10th test contact, the 11st test contact,
12nd test contact, the 13rd test contact, the 14th test contact, the 15th test contact, the 16th test contact, transmission line share 4
Root, is respectively that passage receives 1 transmission line, passage sends out 1 transmission line, passage receives 2 transmission lines, passage sends out 2 transmission lines, at work,
The first output terminal that passage receives 1 transmission line is electrically connected with the 1st operating contact, and passage receives the second output terminal and the 10th of 1 transmission line
Test contact to be electrically connected, the 3rd output terminal that passage receives 1 transmission line is electrically connected with the 11st test contact, and passage sends out 1 transmission line
First output terminal is electrically connected with the 3rd operating contact, and the second output terminal that passage sends out 1 transmission line is electrically connected with the 9th test contact, is led to
The 3rd output terminal that 1 transmission line is sent out in road is electrically connected with the 12nd test contact, and passage receives the first output terminal and the 5th work of 2 transmission lines
Make contact electrical connection, the second output terminal that passage receives 2 transmission lines is electrically connected with the 14th test contact, and the of passage 2 transmission lines of receipts
Two output terminals are electrically connected with the 15th test contact, and the first output terminal that passage sends out 2 transmission lines is electrically connected with the 7th operating contact, is led to
The second output terminal that 2 transmission lines are sent out in road is electrically connected with the 13rd test contact, and passage is sent out the second output terminal of 2 transmission lines and the 16th and surveyed
Try contact to be electrically connected, the 2nd operating contact, the 4th operating contact, the 6th operating contact, the 8th operating contact are sequentially connected electrically respectively
The receipts 1 of telemechanical apparatus, send out 1, receive on 2,2 transmission lines of hair, and after checking that wiring is errorless, rotary switch 2 is rotated to operating position, the
1 operating contact and the 2nd operating contact, the 3rd operating contact and the 4th operating contact, the 5th operating contact and the 6th operating contact, the 7th
Operating contact and the conducting of the 8th operating contact, the 9th test contact and the 10th test contact, the 11st test contact and the 12nd test are touched
Point, the 13rd test contact and the 14th test contact, the 15th test contact and the 16th test contact disconnect, when remote monitoring center is examined
Measure substation's telecontrol channel and interrupt situation, after operator on duty has notice arrival scene, rotary switch 2 is rotated to test
Position, the 9th test contact and the 10th test contact, the 11st test contact and the 12nd test contact, the 13rd test contact and the 14th
Test contact, the 15th test contact and the 16th test contact conducting, the 1st operating contact and the 2nd operating contact, the 3rd operating contact
Disconnected with the 4th operating contact, the 5th operating contact and the 6th operating contact, the 7th operating contact and the 8th operating contact, i.e., passage is received
With hair short circuit, main website is formed to the whole passage of substation from ring status, therefore can failure judgement position.
Claims (5)
1. a kind of telecontrol channel is from loop device, including rotary switch, operating contact, test contact, operating contact and test contact
It is electrically connected respectively with transmission line, it is characterised in that including insulation shell, be fixedly mounted respectively from top to bottom on front side of insulation shell
There is operating contact, be installed with test contact respectively from top to bottom on rear side of insulation shell, energy is installed in insulation shell
Make operating contact and test the rotary switch that contact disconnects and turns on.
2. telecontrol channel according to claim 1 is from loop device, it is characterised in that：The rotary switch haves three layers contact altogether
Component, each layer of contact assembly include raised spring, front limit, rear limit protrusion, preceding movable contact, rear movable contact, preceding solid
Fixed contact, rear fixed contact, front-slider, rear slider, cam, shaft, rotary turn is provided with the center of insulation shell
Axis, is installed with cam in shaft, the front-slider for withstanding on cam front-wheel profile surface is installed with front of cam, advancing slip
Insulation shell inside outer wall in front of block is installed with front limit protrusion, and bullet is provided between front-slider and front limit protrusion
Spring, fixed contact before being installed with respectively at left and right sides of front-slider, preceding fixed contact is fixedly connected with test contact, preceding
Be separately installed with left and right sides of sliding block can row is contacted with preceding fixed contact later preceding movable contact, in the fixed installation of cam rear
There is the rear slider for withstanding on cam trailing wheel profile surface, the limit convex after the insulation shell inside outer wall at rear slider rear is installed with
Rise, spring is installed between rear slider and rear limit protrusion, it is fixed after being installed with respectively at left and right sides of rear slider to touch
Head, rear fixed contact are fixedly connected with operating contact, are separately installed with to move ahead at left and right sides of rear slider and are touched with fixed afterwards
The rear movable contact of head contact.
3. telecontrol channel according to claim 1 or 2 is from loop device, it is characterised in that：The operating contact shares 6,
Respectively the 1st operating contact, the 2nd operating contact, the 3rd operating contact, the 4th operating contact, the 5th operating contact, the 6th work are touched
Point, test contact share 6, are respectively the 7th test contact, the 8th test contact, the 9th test contact, the 10th test contact, the
11 test contacts, the 12nd test contact, transmission line shares 3, be respectively passage with receiving transmission line, passage hair transmission line, passage
Transmission line, passage receive transmission line the first output terminal is electrically connected with the 1st operating contact, passage receipts transmission line the second output terminal and
8th test contact is electrically connected, and the 3rd output terminal that passage receives transmission line is electrically connected with the 9th test contact, passage hair transmission line
First output terminal is electrically connected with the 3rd operating contact, and the second output terminal of passage hair transmission line is electrically connected with the 7th test contact, is led to
Road hair transmission line the 3rd output terminal with the 10th test contact be electrically connected, passage the first output terminal of transmission line and the 5th work
Contact is electrically connected, passage the second output terminal of transmission line test contact with the 11st and be electrically connected, passage transmission line it is the 3rd defeated
Outlet is electrically connected with the 12nd test contact, and the 2nd operating contact, the 4th operating contact, the 6th operating contact are filled with telemechanical successively respectively
The sending and receiving put, 3 transmission lines be electrically connected.
4. telecontrol channel according to claim 1 or 2 is from loop device, it is characterised in that：The operating contact is that work connects
Line screw, test contact are test terminal screws.
5. telecontrol channel according to claim 3 is from loop device, it is characterised in that：The operating contact is work wiring spiral shell
Nail, test contact are test terminal screws.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105826118A CN105826118A (en) | 2016-08-03 |
| CN105826118B true CN105826118B (en) | 2018-05-11 |
Family
ID=56530901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610342063.4A Active CN105826118B (en) | 2016-05-19 | 2016-05-19 | Telecontrol channel is from loop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105826118B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614479B (en) * | 2018-04-23 | 2021-07-23 | 国网天津市电力公司电力科学研究院 | Communication channel self-loop device with automatic switching function |
| CN112804082B (en) * | 2020-12-25 | 2023-06-06 | 深圳供电局有限公司 | Fault location system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435257C (en) * | 2005-04-28 | 2008-11-19 | 江阴长江电器有限公司 | Universal change-over switch |
| GB0702574D0 (en) * | 2007-02-09 | 2007-03-21 | Texas Instruments Ltd | 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 |
| CN202837467U (en) * | 2012-11-05 | 2013-03-27 | 衡水供电公司 | Convenient and telecontrol channel testing device |
| CN203479951U (en) * | 2013-09-30 | 2014-03-12 | 国家电网公司 | Channel switching testing device |
| CN204558834U (en) * | 2014-12-01 | 2015-08-12 | 国网河南偃师市供电公司 | The quick debugging acid of serial ports passage |
| CN205232224U (en) * | 2015-12-22 | 2016-05-11 | 国网浙江省电力公司宁波供电公司 | Telecontrol channel fault detection system and auto -change over device thereof |
| 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 |
-
2016
- 2016-05-19 CN CN201610342063.4A patent/CN105826118B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105826118A (en) | 2016-08-03 |
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