CN104348104A - Switch cabinet - Google Patents
Switch cabinet Download PDFInfo
- Publication number
- CN104348104A CN104348104A CN201410285187.4A CN201410285187A CN104348104A CN 104348104 A CN104348104 A CN 104348104A CN 201410285187 A CN201410285187 A CN 201410285187A CN 104348104 A CN104348104 A CN 104348104A
- Authority
- CN
- China
- Prior art keywords
- switch
- cabinet
- interlock plate
- breaker chamber
- auxiliary switch
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a switch cabinet, which comprises an auxiliary switch and a cabinet body, wherein the cabinet body is provided with a circuit breaker chamber, a grounding handcart is movably assembled in the circuit breaker chamber in an oriented mode along a fore-and-aft direction, the auxiliary switch is arranged at the outer side of the cabinet body through a switch seat, an interlocking plate is hinged to the cabinet body or the switch seat, the extending direction of the hinged axis of the interlocking plate is vertical to the fore-and-aft direction, one end of the interlocking plate extends into the circuit breaker chamber through a demising hole which is formed in the cabinet body to be used for being matched with the grounding handcart in a jacking mode, and the other end of the interlocking plate extends to the outer side of the cabinet body to be in transmission connection with a switch lever of the auxiliary switch. The invention provides the switch cabinet which can decrease the size of the circuit breaker chamber in the fore-and-aft direction.
Description
Technical field
The present invention relates to the switch cubicle in field of electrical equipment.
Background technology
Along with the fast development of national grid, in electric power system, the safety of the person and equipment is most important, and in " State Grid Corporation of China's 18 great anti-accident measures of electrical network ", its Section 1 and Section 12 are pointed out respectively: prevent human casualty accident and prevent GIS, switchgear accident.Existing switch cubicle comprises the cabinet with breaker chamber, in breaker chamber, fore-and-aft direction guiding movement is assemblied in the earth handcart in cabinet, front side in earth handcart in breaker chamber is provided with auxiliary switch, the switch lever that auxiliary switch is comprised housing and extended along the longitudinal direction by the axis that back-moving spring is arranged on housing.In order to prevent human casualty accident and switchgear accident, when the operation maintenance maintenance in switch cubicle later stage, use earth handcart when the breaker chamber operation of switch cubicle moves to service position forward, need to provide ground signalling by auxiliary switch to secondary system control end, its concrete means are that earth handcart strikes after switch lever makes switch lever and moves, thus change the contact open and-shut mode of auxiliary switch.Existing this switch cubicle Problems existing is: comply with the miniaturized and principle reducing and take usage space of trying one's best, the volume of breaker chamber originally should be very not large, but still have living space and auxiliary switch can be installed when moving to service position in order to earth handcart can be allowed, just must increase the size on breaker chamber fore-and-aft direction, this adds increased taking up room of breaker chamber and whole switch cubicle.
Summary of the invention
The object of the present invention is to provide a kind of switch cubicle that can reduce size on breaker chamber fore-and-aft direction.
In order to solve the problem, technical scheme of the present invention is:
A kind of switch cubicle, comprise auxiliary switch and the cabinet with breaker chamber, in breaker chamber, guiding movement is equipped with earth handcart along the longitudinal direction, described auxiliary switch is arranged at the outside of described cabinet by switch base, interlock plate is hinged with on described cabinet or on switch base, the hinge axes bearing of trend of interlock plate and fore-and-aft direction perpendicular, the resigning hole that one end of interlock plate is arranged on cabinet extend in breaker chamber and coordinates for described earth handcart pushing tow, the other end of interlock plate extend out to the outside of cabinet to be in transmission connection with the switch lever of described auxiliary switch.
Described interlock plate is in transmission connection with switch lever by being hinged and connected with switch lever.
Described earth handcart and auxiliary switch are positioned at the same side of described interlock plate.
Described earth handcart comprise trolley body and be arranged at trolley body front end yoke frame, described yoke frame comprises recess U-board backwards and is arranged at the connecting plate of the U-board left and right sides, and described connecting plate is fixedly arranged in described trolley body.
Described connecting plate is secured by bolts in described trolley body.
Beneficial effect of the present invention is: when needs carry out Maintenance and Repair to switch cubicle, earth handcart moves towards interlock plate, when earth handcart moves to service position, earth handcart pushing tow interlock plate extend into the part in breaker chamber, the other end of interlock plate drives the switch lever of auxiliary switch to move, thus change the contact open and-shut mode of auxiliary switch, provide ground signalling to realize auxiliary switch to miscellaneous equipment.Arrange by interlock plate outside auxiliary switch being set to cabinet, interlock plate no longer takies the space on the fore-and-aft direction of breaker chamber, thus can reduce the size on circuit breaker fore-and-aft direction, and the miniaturization being conducive to breaker chamber and whole switch cubicle makes.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the stereogram of Fig. 1;
Fig. 3 is the structural representation of earth handcart when service position;
Fig. 4 is the B place enlarged drawing in Fig. 3;
Fig. 5 is the stereogram of Fig. 3;
Fig. 6 is the A place enlarged drawing in Fig. 5;
Fig. 7 is the cooperation schematic diagram of interlock plate in Fig. 1, switch base and auxiliary switch.
Embodiment
A kind of embodiment of switch cubicle is as shown in Fig. 1 ~ 7: comprise auxiliary switch 7 and the cabinet 4 with breaker chamber, the switch lever 11 that auxiliary switch is comprised housing and extended along the longitudinal direction by the axis that back-moving spring is arranged on housing, auxiliary switch belongs to prior art, and its concrete structure no longer describes in detail.In breaker chamber, guiding movement is equipped with earth handcart 1 along the longitudinal direction, earth handcart comprises trolley body 2 and is arranged at the yoke frame 3 of trolley body front end, yoke frame comprises recess U-board backwards and is arranged at the connecting plate of the U-board left and right sides, and connecting plate is secured by bolts in trolley body.Auxiliary switch is arranged at the outside of cabinet by switch pedestal, in the present embodiment, switch pedestal is fixedly arranged on the bottom of cabinet 4 by bolt, namely auxiliary switch 7 is arranged at the downside of cabinet, switch pedestal comprises spaced two L shaped plates 15 in left and right, 6, two L shaped plates are hinged with interlock plate 5 by the first jointed shaft 9, the hinge axes of interlock plate 5 is vertical with fore-and-aft direction, cabinet is provided with the resigning hole corresponding with interlock plate, the upper end of interlock plate extend in breaker chamber through resigning hole and coordinates for yoke frame 3 pushing tow, the lower end of interlock plate extend out to the downside of cabinet to be hinged and connected with the switch lever 11 of auxiliary switch by the second jointed shaft 8, auxiliary switch and earth handcart are all positioned at the rear side of interlock plate.Figure middle term 14 expression prevents the second jointed shaft by the split pin that interlock plate is deviate from.
Yoke frame be arranged so that earth handcart and circuit breaker cart are distinguished mutually, namely on circuit breaker cart without yoke frame, interlock plate must not be touched, earth handcart in breaker chamber by test position (Fig. 2 shown in) along left rail 13, right rail 12 moves to service position (shown in Fig. 3) forward, the yoke frame pushing tow of trolley body front end extend into the interlock plate part in breaker chamber, under the thrusting action of yoke frame, interlock plate rotates centered by bearing pin, thus drive the switch lever of auxiliary switch to move to change contacts status backwards, when earth handcart returns to test position by service position, switch lever resets under action of reset spring.When interlock plate drives switch lever to move backwards, because interlock plate is rotating part, so switch lever is not the translation of standard, but auxiliary switch allows interlock plate to have such kinematic error.
In other embodiments of the invention: interlock plate can also be in transmission connection by linkage and switch lever, such switch lever can obtain better translation action, and just linkage can increase the structural complexity of whole switch cubicle; Auxiliary switch and grounding trolley can also lay respectively at the both sides of interlock plate; Yoke frame also can directly be fixedly welded in trolley body, and yoke frame can not also be established, now by the direct pushing tow interlock plate of trolley body; Auxiliary switch is also to be placed in left side or the right side of cabinet, and now the hinge axes of interlock plate extends along the vertical direction.
Claims (5)
1. a switch cubicle, comprise auxiliary switch and the cabinet with breaker chamber, in breaker chamber, guiding movement is equipped with earth handcart along the longitudinal direction, it is characterized in that: described auxiliary switch is arranged at the outside of described cabinet by switch base, interlock plate is hinged with on described cabinet or on switch base, the hinge axes bearing of trend of interlock plate and fore-and-aft direction perpendicular, the resigning hole that one end of interlock plate is arranged on cabinet extend in breaker chamber and coordinates for described earth handcart pushing tow, the other end of interlock plate extend out to the outside of cabinet to be in transmission connection with the switch lever of described auxiliary switch.
2. switch cubicle according to claim 1, is characterized in that: described interlock plate is in transmission connection with switch lever by being hinged and connected with switch lever.
3. switch cubicle according to claim 2, is characterized in that: described earth handcart and auxiliary switch are positioned at the same side of described interlock plate.
4. the switch cubicle according to claim 1 ~ 3 any one, it is characterized in that: described earth handcart comprise trolley body and be arranged at trolley body front end yoke frame, described yoke frame comprises recess U-board backwards and is arranged at the connecting plate of the U-board left and right sides, and described connecting plate is fixedly arranged in described trolley body.
5. switch cubicle according to claim 4, is characterized in that: described connecting plate is secured by bolts in described trolley body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285187.4A CN104348104B (en) | 2014-06-24 | 2014-06-24 | A kind of switch cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285187.4A CN104348104B (en) | 2014-06-24 | 2014-06-24 | A kind of switch cubicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104348104A true CN104348104A (en) | 2015-02-11 |
| CN104348104B CN104348104B (en) | 2017-08-11 |
Family
ID=52503165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410285187.4A Active CN104348104B (en) | 2014-06-24 | 2014-06-24 | A kind of switch cubicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104348104B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086479A (en) * | 2017-06-22 | 2017-08-22 | 河南森源电气股份有限公司 | Handcart circuit breaker and its interlocking limit self device and handcart type combined electrical device |
| CN108258607A (en) * | 2018-03-12 | 2018-07-06 | 川开电气有限公司 | A kind of switchgear difference handcart is into vehicle device for identifying |
| CN110957660A (en) * | 2019-12-17 | 2020-04-03 | 国网河南省电力公司南阳供电公司 | Electric trolley for indoor high-voltage SF6 circuit breaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0831569A2 (en) * | 1996-09-18 | 1998-03-25 | Siemens Aktiengesellschaft | Auxiliary switch |
| CN201466553U (en) * | 2009-09-09 | 2010-05-12 | 吉林省金冠电气股份有限公司 | Plum contact fully insulated hand-operated type arrester car |
| CN201750081U (en) * | 2010-08-06 | 2011-02-16 | 常熟开关制造有限公司(原常熟开关厂） | Chassis interlocking device of handcart type circuit breaker |
| CN201937200U (en) * | 2011-01-31 | 2011-08-17 | 吉林省金冠电气股份有限公司 | Diversified high-voltage fully-automatic removing-type handcart |
| CN203193163U (en) * | 2013-02-25 | 2013-09-11 | 上海电器股份有限公司人民电器厂 | Interlocking device used for drawer type breaker |
| CN204441774U (en) * | 2014-06-24 | 2015-07-01 | 国家电网公司 | Switch cubicle |
-
2014
- 2014-06-24 CN CN201410285187.4A patent/CN104348104B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0831569A2 (en) * | 1996-09-18 | 1998-03-25 | Siemens Aktiengesellschaft | Auxiliary switch |
| CN201466553U (en) * | 2009-09-09 | 2010-05-12 | 吉林省金冠电气股份有限公司 | Plum contact fully insulated hand-operated type arrester car |
| CN201750081U (en) * | 2010-08-06 | 2011-02-16 | 常熟开关制造有限公司(原常熟开关厂） | Chassis interlocking device of handcart type circuit breaker |
| CN201937200U (en) * | 2011-01-31 | 2011-08-17 | 吉林省金冠电气股份有限公司 | Diversified high-voltage fully-automatic removing-type handcart |
| CN203193163U (en) * | 2013-02-25 | 2013-09-11 | 上海电器股份有限公司人民电器厂 | Interlocking device used for drawer type breaker |
| CN204441774U (en) * | 2014-06-24 | 2015-07-01 | 国家电网公司 | Switch cubicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086479A (en) * | 2017-06-22 | 2017-08-22 | 河南森源电气股份有限公司 | Handcart circuit breaker and its interlocking limit self device and handcart type combined electrical device |
| CN107086479B (en) * | 2017-06-22 | 2023-09-19 | 河南森源电气股份有限公司 | Handcart circuit breaker, interlocking limit self-locking device thereof and handcart type combined electrical appliance |
| CN108258607A (en) * | 2018-03-12 | 2018-07-06 | 川开电气有限公司 | A kind of switchgear difference handcart is into vehicle device for identifying |
| CN110957660A (en) * | 2019-12-17 | 2020-04-03 | 国网河南省电力公司南阳供电公司 | Electric trolley for indoor high-voltage SF6 circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104348104B (en) | 2017-08-11 |
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| GR01 | Patent grant |