CN103956282A - FN12 load switch ring main unit mechanical interlock provided with turn-row cabinet - Google Patents
FN12 load switch ring main unit mechanical interlock provided with turn-row cabinet Download PDFInfo
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- CN103956282A CN103956282A CN201410129524.0A CN201410129524A CN103956282A CN 103956282 A CN103956282 A CN 103956282A CN 201410129524 A CN201410129524 A CN 201410129524A CN 103956282 A CN103956282 A CN 103956282A
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- load switch
- main unit
- ring main
- electromagnetic lock
- cabinet
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Abstract
The invention discloses an FN12 load switch ring main unit mechanical interlock provided with a turn-row cabinet. The turn-row cabinet is electrically connected with an FN12 load switch ring main unit comprising a first locking type electrified displayer, a load switch, a grounding switch and a first electromagnetic lock in an electrical connection mode. The load switch, the grounding switch and the first electromagnetic lock are sequentially arranged from top to bottom, and the first electromagnetic lock comprises a voltage-controlled electromagnetic locking dog, an interlocking mechanism and an operation handle. The operation handle is matched with the grounding switch, the electromagnetic locking dog extends upwards under high pressure to block an operation hole of the grounding switch, and the electromagnetic locking dog retracts downwards under low pressure, and the operation hole of the grounding switch is exposed. The interlocking mechanism and a door of the FN12 load switch ring main unit are locked in a matched mode. Due to the mode, the FN12 load switch ring main unit mechanical interlock is reasonable in design, convenient to operate, safe, reliable, free of loopholes and capable of improving safe protection function of the ring main unit.
Description
Technical field
The present invention relates to electric switch equipment field, particularly relate to a kind of band and turn over the FN12 on-load switch ring main unit mechanical interlocking of arranging cabinet.
Background technology
The ring main unit of the FN12 on-load switch of the band row of turning over cabinet is used very generally, and cabinet is very simple, but chain very complicated.
Because the row's of turning over cabinet lower end inlet wire, pass through the on-load switch of outgoing line cabinet cashier's office in a shop, in lower end outlet to an other road high pressure.Namely two limits have high pressure to exist, and the high pressure on two limits is not also subject to the control of this cabinet.The design of more solito list cabinet, inlet wire can be shut in first cabinet no matter it has and there is no electricity, keep a grip on second cabinet just, second cabinet power supply is by on-load switch, earthed switch control, and FN12 on-load switch itself just has mechanical interlock mechanism: after needing not have in cabinet high pressure and having got togather earthed switch, just can open the door; Do not close the door and do not close switch.The present wiring space for inlet wire more greatly, has increased the row's of turning over cabinet, has also expanded the volume of Over-The-Counter, has brought the problem of a lot of interlockings.
There are 2 large problems according to existing design: 1. the high pressure when on electric conductor in uncontrollable cabinet after opening of the row of turning over cabinet.2. the work of the element such as electromagnetic lock all needs Power supply.And in cabinet, be all high pressure, there is no low pressure 220V power supply, for electromagnetic lock, can only temporarily join a UPS.
Summary of the invention
The technical problem that the present invention mainly solves is: for the deficiencies in the prior art, provide a kind of band to turn over the FN12 on-load switch ring main unit mechanical interlocking of row's cabinet, it is reasonable in design, easy to operate, safe and reliable, without leak, can improve the function of safety protection of ring main unit.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of band to turn over the FN12 on-load switch ring main unit mechanical interlocking of row's cabinet, the described row of turning over cabinet and described FN12 on-load switch ring main unit are electrically connected, described FN12 on-load switch ring main unit includes the first locking type electrification display of electric connection, on-load switch, earthed switch and the first electromagnetic lock, and described on-load switch, earthed switch and the first electromagnetic lock arrange successively from top to bottom, described the first electromagnetic lock comprises and is subject to voltage-controlled electromagnetic lock dead bolt, interlocking device and operating grip, described operating grip and described earthed switch match, described electromagnetic lock dead bolt protrudes upward in the time of high pressure, shelter from the handle hole of described earthed switch, described electromagnetic lock dead bolt shrinks downwards in the time of low pressure, expose the handle hole of described earthed switch, described interlocking device coordinates locking with the cabinet door of described FN12 on-load switch ring main unit.
In a preferred embodiment of the present invention, described in the row's of turning over cabinet include the second locking type electrification display and second electromagnetic lock of electric connection.
In a preferred embodiment of the present invention, in described FN12 on-load switch ring main unit, also comprise high pressure sensor, described high pressure sensor is connected with the binding post of described the first locking type electrification display, and the other end of the binding post of described the first locking type electrification display and described the first electromagnetic lock are electrically connected.
The invention has the beneficial effects as follows: the present invention is by adopting self-powered electromagnetic lock to substitute the UPS being equipped with for electromagnetic lock specially in prior art, being designed to door is not related to and cannot divides earthed switch and close on-load switch, switch does not have separating brake and does not conform to the interlocking gear that earthed switch can not open the door, make this cabinet without adding any chain facility, just can reach the function of safety protection of ring main unit, it is reasonable in design, easy to operate, has also stopped up leak in safety.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of band of the present invention turns over the FN12 on-load switch ring main unit mechanical interlocking of row's cabinet;
Fig. 2 is the FN12 on-load switch ring main unit primary system figure of the row of turning over of band shown in Fig. 1 cabinet;
Fig. 3 is the key wiring diagram of the first electromagnetic lock shown in Fig. 1;
Fig. 4 is the exclusive circuit figure in the first locking type electrification display shown in Fig. 3;
Fig. 5 is the power supply diagram of the first electromagnetic lock shown in Fig. 1;
In accompanying drawing, the mark of each parts is as follows: 1, FN12 on-load switch ring main unit, 11, the first locking type electrification display, 111, the binding post of the first locking type electrification display, 12, on-load switch, 13, earthed switch, 131, handle hole, 14, the first electromagnetic lock, 141, electromagnetic lock dead bolt, 142, interlocking device, 143, operating grip, 15, high pressure sensor, 2, the row's of turning over cabinet, 21, the second locking type electrification display, 22, the second electromagnetic lock.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Refer to Fig. 1-Fig. 5, the embodiment of the present invention comprises:
A kind of band turns over the FN12 on-load switch ring main unit mechanical interlocking of row's cabinet, the described row of turning over cabinet 2 is electrically connected with described FN12 on-load switch ring main unit 1, described FN12 on-load switch ring main unit 1 includes the first locking type electrification display 11 of electric connection, on-load switch 12, earthed switch 13 and the first electromagnetic lock 14, and described on-load switch 12, earthed switch 13 and the first electromagnetic lock 14 arrange successively from top to bottom, described the first electromagnetic lock 14 comprises and is subject to voltage-controlled electromagnetic lock dead bolt 141, interlocking device 142 and operating grip 143, described operating grip 143 matches with described earthed switch 13, described electromagnetic lock dead bolt 141 protrudes upward in the time of high pressure, shelter from the handle hole 131 of described earthed switch 13, described electromagnetic lock dead bolt 141 shrinks downwards in the time of low pressure, expose the handle hole 131 of described earthed switch 13, described interlocking device 142 coordinates locking with the cabinet door of described FN12 on-load switch ring main unit 1.
The described row of turning over cabinet 2 includes the second locking type electrification display 21 and second electromagnetic lock 22 of electric connection.
In described FN12 on-load switch ring main unit 1, also comprise high pressure sensor 15, described high pressure sensor 15 is connected with the binding post 111 of described the first locking type electrification display, the other end of the binding post 111 of described the first locking type electrification display and described the first electromagnetic lock 14 are electrically connected, as Figure 3-Figure 4.When having high pressure not open the door in FN12 on-load switch ring main unit 1, be to coordinate with the first electromagnetic lock 14 with the first locking type electrification display 11 to realize.In the time having high pressure in FN12 on-load switch ring main unit 1, exclusive circuit process high pressure sensor 15 enters the comparison circuit with 220V civil power, and in the time having high pressure, civil power is by inoperative, and the first electromagnetic lock 14 can not be opened; Otherwise city's electric energy is opened the first electromagnetic lock 14, can open cabinet door.Can whether the door of two cabinets all detects two road power ports by the locking type electrification display by separately has high pressure, to make the judgement that open the door.
Described FN12 on-load switch ring main unit 1 is to block handle hole 131 with the electromagnetic lock dead bolt 141 protruding, the operation that does not allow operating grip 143 deeply wherein close a floodgate.Only in the time that not having high pressure, cabinet port just can make special electromagnetic lock obtain electric; operating grip 143 carries out sub-switching operation and closes earthed switch in can stretching into handle hole 131 after pressing down at special electromagnetic lock dead bolt 141, and protection is the personnel of incoming call injury suddenly after opening the door.This protection is perfect, there is no leak.
And the existing row of turning over cabinet lacks ground protection and after making to open the door in cabinet incoming call situation become out of control.For this, single portion cashier's office in a shop, door seal is dead before simply resembling, just when being single extension of portion cashier's office in a shop.Adopt in the second locking type electrification display 21 detecting boxes and whether have high pressure, confirming just to take door there is no high pressure in the situation that apart, and connecting earth connection (resemble general high voltage off-line operation according to code construction) at once and can on the row's of turning over cabinet door of shutting, do this prompting.
The present invention has disclosed a kind of band and has turned over the FN12 on-load switch ring main unit mechanical interlocking of arranging cabinet, by adopting self-powered electromagnetic lock to substitute the UPS being equipped with for electromagnetic lock specially in prior art, being designed to door is not related to and cannot divides earthed switch and close on-load switch, switch does not have separating brake and does not conform to the interlocking gear that earthed switch can not open the door, make this cabinet without adding any chain facility, just can reach the function of safety protection of ring main unit, it is reasonable in design, easy to operate, in safety, also stop up leak.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a band turns over the FN12 on-load switch ring main unit mechanical interlocking of arranging cabinet, the described row of turning over cabinet and described FN12 on-load switch ring main unit are electrically connected, it is characterized in that, described FN12 on-load switch ring main unit includes the first locking type electrification display of electric connection, on-load switch, earthed switch and the first electromagnetic lock, and described on-load switch, earthed switch and the first electromagnetic lock arrange successively from top to bottom, described the first electromagnetic lock comprises and is subject to voltage-controlled electromagnetic lock dead bolt, interlocking device and operating grip, described operating grip and described earthed switch match, described electromagnetic lock dead bolt protrudes upward in the time of high pressure, shelter from the handle hole of described earthed switch, described electromagnetic lock dead bolt shrinks downwards in the time of low pressure, expose the handle hole of described earthed switch, described interlocking device coordinates locking with the cabinet door of described FN12 on-load switch ring main unit.
2. band according to claim 1 turns over the FN12 on-load switch ring main unit mechanical interlocking of row's cabinet, it is characterized in that, described in the row's of turning over cabinet include the second locking type electrification display and second electromagnetic lock of electric connection.
3. band according to claim 1 turns over the FN12 on-load switch ring main unit mechanical interlocking of row's cabinet, it is characterized in that, in described FN12 on-load switch ring main unit, also comprise high pressure sensor, described high pressure sensor is connected with the binding post of described the first locking type electrification display, and the other end of the binding post of described the first locking type electrification display and described the first electromagnetic lock are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129524.0A CN103956282A (en) | 2014-04-02 | 2014-04-02 | FN12 load switch ring main unit mechanical interlock provided with turn-row cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129524.0A CN103956282A (en) | 2014-04-02 | 2014-04-02 | FN12 load switch ring main unit mechanical interlock provided with turn-row cabinet |
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| Publication Number | Publication Date |
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| CN103956282A true CN103956282A (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410129524.0A Pending CN103956282A (en) | 2014-04-02 | 2014-04-02 | FN12 load switch ring main unit mechanical interlock provided with turn-row cabinet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201571A (en) * | 2014-09-19 | 2014-12-10 | 山东电力设备有限公司 | Anti-misoperation ground protection mechanism for dry type transformer |
| CN106024454A (en) * | 2016-07-08 | 2016-10-12 | 莱芜钢铁集团有限公司 | Locking device for air switch |
| CN106783287A (en) * | 2016-12-23 | 2017-05-31 | 国网浙江杭州市富阳区供电公司 | A kind of ground connection closure switch blocking device for ring main unit interconnector |
| CN112582898A (en) * | 2020-10-30 | 2021-03-30 | 浙江高压开关厂有限公司 | Linkage lock gate type structure equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2043791U (en) * | 1988-10-04 | 1989-08-30 | 福州市第三电器厂 | Locking device for h.v. live displaying |
| CN201315419Y (en) * | 2008-10-29 | 2009-09-23 | 上海中科电气(集团)有限公司 | Net door interlocking device for transformer room |
| CN202285207U (en) * | 2011-11-11 | 2012-06-27 | 施耐德电器工业公司 | Locking mechanism of ring network cabinet and ring network cabinet |
| WO2013097175A1 (en) * | 2011-12-30 | 2013-07-04 | Abb Technology Ltd. | Mechanical interlock device among cable door, rear door and earthing switch |
| CN203882829U (en) * | 2014-04-02 | 2014-10-15 | 常熟永明电气有限公司 | FN12 load switch ring main unit mechanical interlocking mechanism provided with bus turning cabinet |
-
2014
- 2014-04-02 CN CN201410129524.0A patent/CN103956282A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043791U (en) * | 1988-10-04 | 1989-08-30 | 福州市第三电器厂 | Locking device for h.v. live displaying |
| CN201315419Y (en) * | 2008-10-29 | 2009-09-23 | 上海中科电气(集团)有限公司 | Net door interlocking device for transformer room |
| CN202285207U (en) * | 2011-11-11 | 2012-06-27 | 施耐德电器工业公司 | Locking mechanism of ring network cabinet and ring network cabinet |
| WO2013097175A1 (en) * | 2011-12-30 | 2013-07-04 | Abb Technology Ltd. | Mechanical interlock device among cable door, rear door and earthing switch |
| CN203882829U (en) * | 2014-04-02 | 2014-10-15 | 常熟永明电气有限公司 | FN12 load switch ring main unit mechanical interlocking mechanism provided with bus turning cabinet |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201571A (en) * | 2014-09-19 | 2014-12-10 | 山东电力设备有限公司 | Anti-misoperation ground protection mechanism for dry type transformer |
| CN106024454A (en) * | 2016-07-08 | 2016-10-12 | 莱芜钢铁集团有限公司 | Locking device for air switch |
| CN106783287A (en) * | 2016-12-23 | 2017-05-31 | 国网浙江杭州市富阳区供电公司 | A kind of ground connection closure switch blocking device for ring main unit interconnector |
| CN106783287B (en) * | 2016-12-23 | 2019-07-30 | 国网浙江杭州市富阳区供电公司 | A kind of ground connection closure switch blocking device for ring network cabinet interconnector |
| CN112582898A (en) * | 2020-10-30 | 2021-03-30 | 浙江高压开关厂有限公司 | Linkage lock gate type structure equipment |
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Application publication date: 20140730 |