CN108022791A - A kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source - Google Patents
A kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source Download PDFInfo
- Publication number
- CN108022791A CN108022791A CN201711365624.3A CN201711365624A CN108022791A CN 108022791 A CN108022791 A CN 108022791A CN 201711365624 A CN201711365624 A CN 201711365624A CN 108022791 A CN108022791 A CN 108022791A
- Authority
- CN
- China
- Prior art keywords
- voltage switch
- switch gear
- pressure
- supporting parts
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/52—Interlocking mechanisms for interlocking two or more switches
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention provides a kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source.High-voltage switch gear three-phase mechanical blocking device includes three pressure conduction portions, three supporting parts and six impellers.When a phase high-voltage switch gear closes, the phase high-voltage switch gear linkage mechanism can transmit pressure to corresponding supporting parts, supporting parts are moved, and drive impeller to be subjected to displacement, and then pressure is delivered on two other supporting parts respectively by pressure transmission medium.Two other supporting parts moves up under pressure, and props up another two-phase high-voltage switch gear, and another two-phase high-voltage switch gear enters mechanical self-latching state, it is impossible to closes a floodgate.Since another two-phase high-voltage switch gear cannot close a floodgate, then it can effectively prevent signal source from occurring abnormal and causing the failure of line to line fault.High-voltage switch gear three-phase mechanical blocking device provided by the invention can effectively improve the reliability of high-voltage switch gear self-locking, and can improve the locking number of phases of signal source equipment, reduce distribution network failure positioning and monitoring system operation risk.
Description
Technical field
The present invention relates to distribution network technology field, more particularly to a kind of high-voltage switch gear three-phase mechanical blocking device and power frequency letter
Number source.
Background technology
Distribution Fault Location System can monitor the operating status of power circuit in real time, and when power distribution network breaks down
Quick detection and positioning failure, to diagnose isolated fault section in time, is rushed to repair, is restored electricity.Thus, distribution network failure is fixed
Position system can save the substantial amounts of working time, reduce power off time and power failure range, provided for the safe operation of power distribution network
Strong support.Therefore, fault location system is widely used in China.
Equipment is numerous in Distribution Fault Location System, and the failure of generation is also varied, thus needs for different
Failure detects respectively.When singlephase earth fault occurs for power distribution network, fault current is very small, the voltage failure in high resistance grounding
Phase voltage declines unobvious, causes the detection judgement of singlephase earth fault more difficult.At present, for the inspection of singlephase earth fault
Survey, the detection method mainly used is normal signal source method.Normal signal source is provided with Distribution Fault Location System, with reality
When monitor system voltage.When singlephase earth fault occurs for power distribution network, the high-voltage switch gear inside normal signal source can be from disconnection shape
State is changed into the state of closing, and high-voltage switch gear folding condition is repeated under the control of normal signal source, high-voltage switch gear folding
Time and number are controlled by normal signal source.At this time, produced on the circuit formed between faulty line, trouble point and the earth folded
The characteristic current signal sequence being added on load current.The fault detector installed on circuit is able to detect that this current signal
And earth fault is indicated in real time.Since the amplitude of the current signal is larger, there is regular hour sequence, and fault detector energy
Enough instruction earth fault in real time, thus the detection accuracy of normal signal source method is high.
In Distribution Fault Location System, multiple high-voltage switch gears, and two or three high pressures are set inside normal signal source
Switch shares a ground resistance.If exception occurs in signal source, two high-voltage switch gears are closed at, and artificially will cause system phase
Between short circuit, power line protection tripping, and then can not detect and failure judgement occur point.To avoid high-voltage switch gear from being closed at,
The configuration in normal signal source is then needed to prevent two-phase or three-phase high-voltage from switching the mechanical locking device being closed at.
At present, a ground resistance, thus corresponding machinery are shared for two high-voltage switch gears in existing normal signal source
Blocking device is two-phase mechanical locking device.Existing two-phase mechanical locking device is usually the both ends difference of a mechanical linkage
It is in contact with the component of two high-voltage switch gears.When a high-voltage switch gear closes, the component on the high-voltage switch gear can push up machinery
Connecting rod, and then mechanical linkage can be pushed up on the component of another high-voltage switch gear so that another high-voltage switch gear cannot operate combined floodgate.
Mechanical linkage would generally cause the failures such as bite in long-play.When mechanical linkage breaks down, then height is can not achieve
The mechanical latching to compress switch, causes power circuit short trouble occur.
The content of the invention
The present invention provides a kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source, to solve existing machinery locking
Device easily breaks down, and causes power circuit the problem of short trouble occur.
The present invention provides a kind of high-voltage switch gear three-phase mechanical blocking device, and described device includes pressure conduction portion, supporting parts
And impeller；Wherein, the supporting parts are used for support high-voltage switch gear；
Open-ended, and the pressure transmission medium of internal filling flowing in the pressure conduction portion；
The impeller is located at the inside of pressure conduction portion end, and positioned at the upper surface of the pressure transmission medium
On；
The supporting parts are fixedly connected with the impeller；
The pressure conduction portion includes first pressure conducting part, second pressure conducting part and the 3rd pressure conduction portion；
The supporting parts include the first supporting parts, the second supporting parts and the 3rd supporting parts；
One end of the first pressure conducting part and one end of the second pressure conducting part are respectively positioned on first support
The lower section of part；
The one end in the other end of the second pressure conducting part and the 3rd pressure conduction portion is respectively positioned on described second and holds
The lower section of supporting piece；
The other end in the 3rd pressure conduction portion and the other end of the first pressure conducting part are respectively positioned on the described 3rd
The lower section of supporting parts.
Preferably, inside the first pressure conducting part, the second pressure conducting part and the 3rd pressure conduction portion
All impellers it is initial when be respectively positioned in same level.
Preferably, the impeller is piston.
Preferably, the supporting parts are pallet or movable plate.
Preferably, the supporting parts are fixedly connected with the impeller by connecting rod.
Preferably, the pressure transmission medium is oil.
Preferably, the pressure conduction portion is U-shaped, W types or Y types.
The present invention provides a kind of normal signal source, and the normal signal source includes high-voltage switch gear and mechanical locking device；
The high-voltage switch gear includes the first high-voltage switch gear, the second high-voltage switch gear and the 3rd high-voltage switch gear；
The linkage mechanism of first high-voltage switch gear is located at the top of the first supporting parts in the mechanical locking device；
The linkage mechanism of second high-voltage switch gear is located at the top of the second supporting parts in the mechanical locking device；
The linkage mechanism of 3rd high-voltage switch gear is located at the top of the 3rd supporting parts in the mechanical locking device.
The technical solution that the embodiment of the present invention provides can include the following benefits：
The present invention provides a kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source, wherein, high-voltage switch gear three-phase
Mechanical locking device includes pressure conduction portion, supporting parts and impeller, wherein, supporting parts are used for support high-voltage switch gear.Pressure passes
Leading portion includes first pressure conducting part, second pressure conducting part and the 3rd pressure conduction portion, and the end in three pressure conduction portions
The pressure transmission medium of flowing is filled in opening, inside.The inside of three pressure conduction portions end is both provided with impeller, and pushes away
Moving part is respectively positioned on the upper surface of pressure transmission medium.Supporting parts include the first supporting parts, the second supporting parts and the 3rd supporting parts,
And three supporting parts are fixedly connected with impeller respectively.In addition, one end and the second pressure conducting part of first pressure conducting part
One end is respectively positioned on the lower section of the first supporting parts；The one end in the other end of second pressure conducting part and the 3rd pressure conduction portion is respectively positioned on
The lower section of second supporting parts；The other end in the 3rd pressure conduction portion and the other end of first pressure conducting part are respectively positioned on the 3rd support
The lower section of part, thus, three pressure conduction portions are connected by pressure transmission medium, impeller with supporting parts.When the first support
When part is subject to the thrust of a phase high-voltage switch gear, two impellers being connected with the first supporting parts are passed in first pressure respectively
Lead and promoted inside portion and one end of second pressure conducting part, and produce displacement.The promotion of impeller causes pressure transmission to be situated between
Mass flow is moved, then so that the impeller inside the first pressure conducting part other end and the second pressure conducting part other end occurs
Displacement.Impeller inside the first pressure conducting part other end and the second pressure conducting part other end drives the support being attached thereto
Part moves up, and is respectively held against another two-phase high-voltage switch gear, so that another two-phase high-voltage switch gear enters self-locking state.When another two-phase is high
Compress switch into after self-locking state, then another two-phase high-voltage switch gear cannot close a floodgate, and then effectively prevent signal source from occurring abnormal and making
Into the failure of line to line fault.High-voltage switch gear three-phase mechanical blocking device provided by the invention is applied widely, can effectively improve
The reliability of high-voltage switch gear self-locking, and the locking number of phases of signal source equipment can be improved, reduce distribution network failure positioning and monitoring
System operation risk.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of high-voltage switch gear three-phase mechanical blocking device provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of normal signal source provided in an embodiment of the present invention；
Symbolic indication：
01- high-voltage switch gears, the first high-voltage switch gears of 011-, the second high-voltage switch gears of 012-, the 3rd high-voltage switch gears of 013-, 02- high
Compress switch three-phase mechanical blocking device, 1- pressure conductions portion, 11- first pressure conducting parts, 12- second pressure conducting parts, 13-
Three pressure conduction portions, 2- supporting parts, the first supporting parts of 21-, the second supporting parts of 22-, the 3rd supporting parts of 23-, 3- impellers, 4- pressures
Power transfer medium, 5- connecting rods.
Embodiment
Attached drawing 1 is refer to, attached drawing 1 shows the knot of high-voltage switch gear three-phase mechanical blocking device provided in an embodiment of the present invention
Structure schematic diagram.From attached drawing 1, high-voltage switch gear three-phase mechanical blocking device provided in an embodiment of the present invention includes pressure conduction portion
1st, supporting parts 2 and impeller 3.
Specifically, pressure conduction portion 1 is applied to the device of 2 pressure of supporting parts for transmission high-voltage switch gear 01.The present invention is implemented
The mechanical locking device that example provides is suitable for the self-locking of three-phase high-voltage switch, thus high-voltage switch gear 01 includes the first high-voltage switch gear
011st, the second high-voltage switch gear 012 and the 3rd high-voltage switch gear 013.Correspondingly, in mechanical locking device provided in an embodiment of the present invention
Pressure conduction portion 1 include first pressure conducting part 11,12 and the 3rd pressure conduction portion 13 of second pressure conducting part.Three pressure
The both ends end of conducting part 1 is open setting, in Fig. 1, open-ended A1, A2 of first pressure conducting part 11；Second pressure
Open-ended B1, B2 of conducting part 12；Open-ended C1, the C2 in the 3rd pressure conduction portion 13.The inside in three pressure conduction portions 1
Equal stuffing pressure transfer medium 4, to transmit pressure by pressure transmission medium 4.Pressure transmission medium 4 can be in pressure conduction portion
1 inside is flowed, in order to transmit pressure.Due to high-voltage switch gear three-phase mechanical blocking device position provided in an embodiment of the present invention
In the normal signal source of power distribution network, temperature is higher when electric current produces in normal signal source, to prevent pressure transmission medium 4 from occurring
Change, the pressure transmission medium 4 in the embodiment of the present invention is preferably used as medium using oil.
Since mechanical locking device provided in an embodiment of the present invention is suitable for the self-locking of three-phase high-voltage switch, thus to make one
When phase high-voltage switch gear closes, in addition two-phase high-voltage switch gear self-locking, thus the pressure that a phase high-voltage switch gear produces should act at the same time
On two-phase high-voltage switch gear, thus, the transmission of pressure should be realized between three-phase high-voltage switch.To realize that three-phase high-voltage is pressed between switching
The transmission of power, a phase high-voltage switch gear correspond to different pressure conduction portions 1 respectively.In the embodiment of the present invention, the first high-voltage switch gear
011 corresponds to the A1 ends of first pressure conducting part 11 and the B1 ends of second pressure conducting part 12；Second high-voltage switch gear 012 corresponds to the
The B2 ends in two pressure conduction portions 12 and the C1 ends in the 3rd pressure conduction portion 13；3rd high-voltage switch gear 013 corresponds to first pressure and passes
Lead the A2 ends in portion 11 and the C2 ends in the 3rd pressure conduction portion 13.It is specific corresponding between high-voltage switch gear 01 and pressure conduction portion 1
Relation can be set according to actual scene.
To realize that pressure conduction portion 1 corresponds to two high-voltage switch gears 01, in the embodiment of the present invention, pressure conduction portion 1 is excellent
Choosing uses U-shaped, W types or y-type structure.Certainly, pressure conduction portion 1 can also use other structures, as long as can realize that end connects
It is logical.
Supporting parts 2 are the component of support high-voltage switch gear 01, are generally arranged at the lower section of 01 linkage mechanism of high-voltage switch gear, so as to
Pressure is applied to supporting parts 2 by linkage mechanism when 01 folding of high-voltage switch gear.It is identical with pressure conduction portion 1, for suitable for
The self-locking of three-phase high-voltage switch, supporting parts 2 provided in an embodiment of the present invention include the first supporting parts 21, the second supporting parts 22 and the
Three supporting parts 23.During to close a phase high-voltage switch gear, in addition two-phase high-voltage switch gear self-locking, the first supporting parts 21, the second support
22 and the 3rd supporting parts 23 of part intersect positioned at first pressure conducting part 11,12 and the 3rd pressure conduction of second pressure conducting part respectively
The top in portion 13.In the embodiment of the present invention, the A1 ends of first pressure conducting part 11 and the B1 ends of second pressure conducting part 12
It is respectively positioned on the lower section of the first supporting parts 21；The B2 ends of second pressure conducting part 12 and the equal position in C1 ends in the 3rd pressure conduction portion 13
In the lower section of the second supporting parts 22；The C2 ends in the A2 ends of first pressure conducting part 11 and the 3rd pressure conduction portion 13 are respectively positioned on
The lower section of three supporting parts 23.Specific correspondence between supporting parts 2 and pressure conduction portion 1 can be set according to actual scene
It is fixed.
To enable a supporting parts 2 to act at the same time in two pressure conduction portions 1, the width of supporting parts 2 to be equal to or
The distance between more than two 1 center lines of pressure conduction portion.Width such as the first supporting parts 21 is passed equal to or more than first pressure
Lead the distance between the A1 ends in portion 11 and the B1 ends center line of second pressure conducting part 12.In embodiments of the present invention, support
Part 2 is preferentially using larger components of contact area such as pallet or movable plates.
Impeller 3 is preferably adopted to promote the component of the transmission of pressure transmission medium 4 under pressure in the embodiment of the present invention
It is impeller 3 with piston.Impeller 3 is fixedly connected with supporting parts 2, and impeller 3 is located at the inside of 1 end of pressure conduction portion.
Since pressure conduction portion 1 includes first pressure conducting part 11,12 and the 3rd pressure conduction portion 13 of second pressure conducting part, and it is each
The inside of a 1 end of pressure conduction portion is both provided with impeller 3, thus in embodiments of the present invention, impeller 3 is provided with six
It is a, and each two impeller 3 correspond to a supporting parts 2, as first pressure conducting part 11 A1, A2 end inside respectively set promote
Part 3, and two impellers 3 are fixedly attached on the first supporting parts 21 at the same time.Impeller 3 is located at the interior of 1 end of pressure conduction portion
During portion, impeller 3 is particularly located on the upper surface of pressure transmission medium 4, with drive train pressure.
After the pressure that supporting parts 2 are subject to a phase high-voltage switch gear 01 to provide, supporting parts 2 pass through the pressure born with pushing away
The connected component of moving part 3 passes to impeller 3, and is passed pressure by pressure transmission medium 4 by impeller 3, realizes
The transmission of pressure.In embodiments of the present invention, preferably it is fixedly connected between impeller 3 and supporting parts 2 by connecting rod 5.Due to
The liquid level of pressure transmission medium 4 inside one pressure conduction portion 11,12 and the 3rd pressure conduction portion 13 of second pressure conducting part is not
Together, to ensure that impeller 3 is in contact with pressure transmission medium 4, and same supporting parts 2 correspond to two pressure conduction portions 1 and two
A impeller 3, thus the indefinite length of impeller 3 and the connecting rod 5 of supporting parts 2 is connected, set according to practical situations.
Further, for ease of the setting of high-voltage switch gear three-phase mechanical blocking device 02 and high-voltage switch gear 01, the first supporting parts
21st, the second supporting parts 22 and the 3rd supporting parts 23 are respectively positioned in same level.Same supporting parts 2 correspond to two 5 length of connecting rod
When different, 2 both ends stress of supporting parts is different, it is possible to after causing identical active force to be transmitted by different connecting rods 5, pressure hair
Raw slight change.To prevent pressure from slight change occurs, six impellers 3 are respectively positioned on same water when high-voltage switch gear 01 is not turned off
In plane, at the position 1 in attached drawing 1.
When in use, the first high-voltage switch gear 011 closes high-voltage switch gear three-phase mechanical blocking device provided in an embodiment of the present invention
During conjunction, the linkage mechanism of the first high-voltage switch gear 011 drives the first supporting parts 21 to push, the pushing of the first supporting parts 21 so that the
Impeller 3 inside one pressure conduction portion 11A1 ends and second pressure conducting part 12B1 ends moves down under the induced effect of connecting rod 5,
As impeller 3 by position 1 is moved to position 2.Moving down for impeller 3 promotes pressure transmission medium 4 by first pressure conducting part 11
A1 ends and the B1 ends of second pressure conducting part 12 flowed to A2 ends and B2 ends.The flowing of pressure transmission medium 4 so that the first pressure
Impeller 3 inside power conducting part 11A2 ends and second pressure conducting part 12B2 ends moves up, as impeller 3 is moved to by position 1
Position 3.Impeller 3 moves up the 3rd promoted under the induced effect of connecting rod 5 above first pressure conducting part 11A2 ends
Supporting parts 23 and the second supporting parts 22 above second pressure conducting part 12B2 ends move up.Second supporting parts 22 and
Three supporting parts 23 move up, and can touch the linkage structure inside the second high-voltage switch gear 012 and the 3rd high-voltage switch gear 013, Jin Er
Two high-voltage switch gears 012 and the 3rd high-voltage switch gear 013 enter self-locking state, at this time, the second high-voltage switch gear 012 and the 3rd high-voltage switch gear
013 cannot close a floodgate.Since the first high-voltage switch gear 011 is in closure state, and the second high-voltage switch gear 012 and the 3rd high-voltage switch gear
013 is off, if thus normal signal source be abnormal, the second high-voltage switch gear 012 and the 3rd high-voltage switch gear 013 it
Between short circuit will not occur, thus effectively eliminate the possibility of normal signal source internal high pressure interphase short circuit of contactor, significantly improve
The reliability of mechanical latching, and then improve normal signal source, distribution network failure positioning and monitoring system and distribution network operation
Reliability.
High-voltage switch gear three-phase mechanical blocking device provided in an embodiment of the present invention is used not only for three-phase high-voltage switch
Mechanical latching, additionally it is possible to applied to the mechanical latching of two-phase high-voltage switch gear, as when three high-voltage switch gears 013 is not present.
The embodiment of the present invention also provides a kind of normal signal source, which includes high-voltage switch gear 01 and machinery closes
Locking device 02, wherein, mechanical locking device 02 uses high-voltage switch gear three-phase mechanical blocking device provided in an embodiment of the present invention, tool
Body refer to attached drawing 2.In normal signal source, high-voltage switch gear 01 includes the first high-voltage switch gear 011,012 and of the second high-voltage switch gear
3rd high-voltage switch gear 013, and the linkage mechanism of the first high-voltage switch gear 011 is located at the first supporting parts 21 in mechanical locking device 02
Top；The linkage mechanism of second high-voltage switch gear 012 is located at the top of the second supporting parts 22 in mechanical locking device 02；3rd high pressure
The linkage mechanism of switch 013 is located at the top of the 3rd supporting parts 23 in mechanical locking device 02.Work provided in an embodiment of the present invention
The course of work of frequency source signal refer to the application method of mechanical locking device 02, and details are not described herein again.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice the disclosure invented here
Its embodiment.This application is intended to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the present invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the relational terms of such as " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, without necessarily requiring or implying there are any between these entities or operation
This actual relation or order.The invention is not limited in the precision architecture for being described above and being shown in the drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim
System.
Claims (8)
1. a kind of high-voltage switch gear three-phase mechanical blocking device, it is characterised in that the mechanical locking device includes pressure conduction portion
(1), supporting parts (2) and impeller (3)；Wherein, the supporting parts (2) are used for support high-voltage switch gear (01)；
Open-ended, and the pressure transmission medium (4) of internal filling flowing of the pressure conduction portion (1)；
The impeller (3) is located at the inside of pressure conduction portion (1) end, and positioned at the pressure transmission medium (4)
On upper surface；
The supporting parts (2) are fixedly connected with the impeller (3)；
The pressure conduction portion (1) includes first pressure conducting part (11), second pressure conducting part (12) and the 3rd pressure conduction
Portion (13)；
The supporting parts (2) include the first supporting parts (21), the second supporting parts (22) and the 3rd supporting parts (23)；
One end of the first pressure conducting part (11) and one end of the second pressure conducting part (12) are respectively positioned on described first
The lower section of supporting parts (21)；
One end of the other end of the second pressure conducting part (12) and the 3rd pressure conduction portion (13) is respectively positioned on described
The lower section of two supporting parts (22)；
The other end of the 3rd pressure conduction portion (13) and the other end of the first pressure conducting part (11) are respectively positioned on described
The lower section of 3rd supporting parts (23).
2. high-voltage switch gear three-phase mechanical blocking device according to claim 1, it is characterised in that the first pressure conduction
The internal all impellers (3) of portion (11), the second pressure conducting part (12) and the 3rd pressure conduction portion (13)
It is respectively positioned on when initial in same level.
3. high-voltage switch gear three-phase mechanical blocking device according to claim 1 or 2, it is characterised in that the impeller (3)
For piston.
4. high-voltage switch gear three-phase mechanical blocking device according to claim 1, it is characterised in that the supporting parts (2) are
Pallet or movable plate.
5. high-voltage switch gear three-phase mechanical blocking device according to claim 1, it is characterised in that the supporting parts (2) and
The impeller (3) is fixedly connected by connecting rod (5).
6. high-voltage switch gear three-phase mechanical blocking device according to claim 1, it is characterised in that the pressure transmission medium
(4) it is oil.
7. high-voltage switch gear three-phase mechanical blocking device according to claim 1, it is characterised in that the pressure conduction portion
(1) it is U-shaped, W types or y-type structure.
8. a kind of normal signal source, it is characterised in that the normal signal source includes high-voltage switch gear (01) and claim 1-7
Mechanical locking device (02) described in middle any one；
The high-voltage switch gear (01) includes the first high-voltage switch gear (011), the second high-voltage switch gear (012) and the 3rd high-voltage switch gear
(013)；
The linkage mechanism of first high-voltage switch gear (011) is located at the first supporting parts (21) in the mechanical locking device (02)
Top；
The linkage mechanism of second high-voltage switch gear (012) is located at the second supporting parts (22) in the mechanical locking device (02)
Top；
The linkage mechanism of 3rd high-voltage switch gear (013) is located at the 3rd supporting parts (23) in the mechanical locking device (02)
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365624.3A CN108022791A (en) | 2017-12-18 | 2017-12-18 | A kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365624.3A CN108022791A (en) | 2017-12-18 | 2017-12-18 | A kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108022791A true CN108022791A (en) | 2018-05-11 |
Family
ID=62073884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711365624.3A Pending CN108022791A (en) | 2017-12-18 | 2017-12-18 | A kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108022791A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426540A (en) * | 2019-08-09 | 2019-11-08 | 安徽一天电气技术股份有限公司 | The mechanical lock of split-phase step switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483106A (en) * | 2008-01-09 | 2009-07-15 | 广州霍斯通电气有限公司 | Interlocking apparatus for looped network switch system and looped network switch system |
| CN201387852Y (en) * | 2009-03-27 | 2010-01-20 | 上海精益电器厂有限公司 | Mechanical interlocking device for air circuit breaker |
| CN106291259A (en) * | 2016-10-31 | 2017-01-04 | 云南电网有限责任公司昆明供电局 | A kind of active signal method singlephase earth fault indicator extracts the method for characteristic signal |
| CN207148266U (en) * | 2017-07-07 | 2018-03-27 | 云南电力试验研究院(集团)有限公司 | A kind of device for realizing high-voltage switch gear three-phase mechanical locking |
-
2017
- 2017-12-18 CN CN201711365624.3A patent/CN108022791A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483106A (en) * | 2008-01-09 | 2009-07-15 | 广州霍斯通电气有限公司 | Interlocking apparatus for looped network switch system and looped network switch system |
| CN201387852Y (en) * | 2009-03-27 | 2010-01-20 | 上海精益电器厂有限公司 | Mechanical interlocking device for air circuit breaker |
| CN106291259A (en) * | 2016-10-31 | 2017-01-04 | 云南电网有限责任公司昆明供电局 | A kind of active signal method singlephase earth fault indicator extracts the method for characteristic signal |
| CN207148266U (en) * | 2017-07-07 | 2018-03-27 | 云南电力试验研究院(集团)有限公司 | A kind of device for realizing high-voltage switch gear three-phase mechanical locking |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426540A (en) * | 2019-08-09 | 2019-11-08 | 安徽一天电气技术股份有限公司 | The mechanical lock of split-phase step switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106558865B (en) | A kind of modified cascade full-bridge high voltage DC breaker and its quick coincidence method | |
| CN102890235A (en) | Fault detection method and device | |
| CN104319165B (en) | A kind of three station vacuum switches that adopt bridge switch to realize load-side external ground | |
| CN103605073A (en) | Self-inspection method of relay circuit based on single-phase grid-connected inverter system | |
| CN103592537B (en) | Electric line fault AC impedance follows the tracks of determining method fast | |
| CN106848764A (en) | Female end cable connector, male end cable connector and cable connector assembly | |
| CN109061356B (en) | Method and device for detecting running gear of distribution transformer | |
| CN105841746A (en) | Multi-parameter fusion type on-line high-voltage high-capacity dry type reactor monitoring device | |
| CN108022791A (en) | A kind of high-voltage switch gear three-phase mechanical blocking device and normal signal source | |
| WO2020192220A1 (en) | Gis driven by only motors | |
| CN101926069B (en) | Control unit and residual current protection switch | |
| CN107086147A (en) | Overvoltage discharger device | |
| CN209642333U (en) | A kind of breaker body unbalanced three-phase lines protection circuit | |
| CN207516481U (en) | A kind of device for improving low-current ground fault line selection accuracy rate | |
| CN110086183A (en) | A kind of breaker body unbalanced three-phase lines protection circuit | |
| CN108183043B (en) | A kind of new structural interlock and the verifying attachment for examining the interlock | |
| CN207148266U (en) | A kind of device for realizing high-voltage switch gear three-phase mechanical locking | |
| CN105759205A (en) | Online monitoring device for mechanical characteristics of circuit breaker and coil current of driving mechanism | |
| CN202166663U (en) | Control system of SVG chain link back-to-back filling test device | |
| CN107809103B (en) | Lightning protection type residual current operated circuit breaker | |
| CN202550505U (en) | Protection simulation device for inconsistency of three phases of circuit breaker | |
| CN108718078A (en) | The exchange micro-capacitance sensor route protection algorithm of impedance variations is measured based on circuit both ends | |
| CN211062638U (en) | Position contact point forming device for preventing three-phase linkage type isolating switch from non-full-phase operation | |
| CN103560484A (en) | Multipoint ground-connection current control device for three current transformers to monitor transformer clamping parts in online mode | |
| CN103296651A (en) | Interphase fault distance protecting method for overload maloperation-preventive and anti-high-resistance lines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180511 |
|
| RJ01 | Rejection of invention patent application after publication |