CN103132810B - Interlocking protection device and method and converter cabinet - Google Patents
Interlocking protection device and method and converter cabinet Download PDFInfo
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- CN103132810B CN103132810B CN201110386508.6A CN201110386508A CN103132810B CN 103132810 B CN103132810 B CN 103132810B CN 201110386508 A CN201110386508 A CN 201110386508A CN 103132810 B CN103132810 B CN 103132810B
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Abstract
The invention provides an interlocking protection device and a method and a converter cabinet. The interlocking protection device comprises a first key box and a second key box, wherein the first key box and the second key box are used for being arranged on the converter cabinet, the first key box is provided with a first main control key lock core, multiple same first auxiliary key lock cores and first auxiliary keys, the first auxiliary keys are inserted into the first auxiliary key lock cores in a locked mode, the first main control key lock core is linked with the first auxiliary key lock cores, a first main control key of a locomotive earthing switch is used for being interlocked with a locomotive earthing key, and the first main control key is further used for being inserted into the first main control key lock core and unlocking the first auxiliary keys. The second key box is provided with a second main control key lock core, second auxiliary key lock cores and second auxiliary keys, the second auxiliary keys are inserted in the second auxiliary key lock cores in a locked mode, any of the first auxiliary keys after unlocked is used for being inserted into the second main control key lock core and unlocking the second auxiliary keys, other first auxiliary keys are used for opening a door lock of the converter cabinet, and after unlocked, the second auxiliary keys are used for opening a door lock of a filtering cabinet.
Description
Technical field
The present invention relates to the converter cabinet technology of locomotive, particularly relate to a kind of interlocking protective device, method and converter cabinet.
Background technology
Locomotive high-power converter and wave filter are the alternating current drive system vitals of locomotive, are placed in respectively in converter cabinet and filter cabinet.Because the cabinet door of converter cabinet and filter cabinet is comparatively large, and the limited space between the machinery of locomotive, the cabinet door of usual converter cabinet and filter cabinet is dismountable cabinet door, cabinet door can be opened and take off.
The cabinet door of converter cabinet and filter cabinet is provided with door lock, just can opens this door lock by private key, to facilitate staff to carry out inspection and maintenance to current transformer and wave filter, and non-working person can be avoided to open cabinet door.
Staff opens the cabinet of converter cabinet and filter cabinet in front of the door, guarantee converter cabinet reliable ground, avoids there is high-tension electricity, causes danger to staff.
In machinery one of the key-placing of existing converter cabinet has on the earthing switch of ground connection interlock function, locomotive ground connection key is got back to after on earthing switch, rotate locomotive ground connection key and make locomotive reliable ground to ground connection position, just can pull up the cabinet door key of the converter cabinet on earthing switch, open the cabinet door of converter cabinet.Only have the staff of driver or maintenance and inspection to take key, open cabinet door.
Existing converter cabinet and filter cabinet do not install interlocking protective device; the door lock of converter cabinet and filter cabinet can not realize safety interlocking, and when staff opens filter cabinet, the intermediate loop of converter cabinet may exist high pressure; easily there is the situation of hot line job, cause potential safety hazard.
Summary of the invention
The invention provides a kind of interlocking protective device, method and converter cabinet, can not the technological deficiency of interlock protection, easily maloperation in order to the door lock solving converter cabinet and filter cabinet in prior art.
The invention provides a kind of interlocking protective device, comprising for being arranged on the first key locker on converter cabinet and the second key locker;
Described first key locker has the first master keys lock core, multiple identical first from key cylinder and first from key, described first from key mortise lock described first from key cylinder; First master keys lock core and described first links from key cylinder, the first master keys on locomotive earthing switch is used for and locomotive ground connection key interlocking, and described first master keys is also for inserting described first master keys lock core and unlocking first from key;
Described second key locker has the second master keys lock core, at least one second from key cylinder and second from key, described second from key mortise lock described second from key cylinder;
Any one unlock after first from key for inserting described second master keys lock core and unlocking described second from key, other unlock after first from key for opening the door lock of converter cabinet; After unblock second from key for opening the door lock of filter cabinet.
Interlocking protective device as above, described first is three, four or five from the quantity of key.
Interlocking protective device as above, described second from the quantity of key be one, two or three.
Interlocking protective device as above, described first master keys, first different from each other from the tooth-shape structure of key from key and second.
Interlocking protective device as above, described first master keys, first different from each other and can not exchange from the color of key from key and second.
The present invention also provides a kind of interlock protection method, it is characterized in that, comprising:
Locomotive ground connection key and the first master keys are interlocked;
First master keys by the first master keys lock core of the first key locker and the first key locker multiple first from key interlocking;
Any one first from key by least one of the second master keys lock core of described second key locker and the second key locker second from key interlocking;
Interlock protection method as above, described first is three, four or five from the quantity of key; Described second from the quantity of key be one, two or three.
Interlock protection method as above, described first master keys, first different from each other and can not exchange from the tooth-shape structure of key from key and second.
The present invention also provides a kind of converter cabinet, comprises cabinet and cabinet door, and described cabinet door has door lock, it is characterized in that, comprise interlocking protective device provided by the invention, described interlocking protective device is arranged on described converter cabinet.
Converter cabinet as above, described first key locker is arranged on the outer wall of described cabinet, and described second key locker is arranged on the inwall of described cabinet.
Interlocking protective device provided by the invention, method and converter cabinet; can realize locomotive ground connection key and converter cabinet first protects from key interlocking; first of converter cabinet is protected from second of key and filter cabinet from key interlocking; thus the door lock reciprocal interlocking protection of converter cabinet and filter cabinet can be realized; when staff needs to open filter cabinet; the locomotive ground connection key on earthing switch must be rotated, make current transformer ground connection, improve the processing safety of staff.
Accompanying drawing explanation
Fig. 1 is the front view of the first key locker in first embodiment of the invention;
Fig. 2 is the left view of the first key locker in Fig. 1;
Fig. 3 is the front view of the second key locker in first embodiment of the invention;
Fig. 4 is the left view of the second key locker in Fig. 3;
The flow chart of the interlock protection method that Fig. 5 provides for second embodiment of the invention;
The structural representation of the converter cabinet that Fig. 6 provides for third embodiment of the invention.
Detailed description of the invention
With reference to the front view that figure 1-4, Fig. 1 are the first key locker in first embodiment of the invention; Fig. 2 is the left view of the first key locker in Fig. 1; Fig. 3 is the front view of the second key locker in first embodiment of the invention; Fig. 4 is the left view of the second key locker in Fig. 3.
As Figure 1-4, the interlocking protective device that the present embodiment provides comprises the first key locker 1 and the second key locker 2 for being arranged on converter cabinet.
First key locker 1 has a first master keys lock core 11, multiple identical first from key cylinder 13 and first from key 14, first from key 14 mortise lock first from key cylinder 13; First master keys lock core 11 links from key cylinder 13 with described first, the first master keys 12 on locomotive earthing switch for locomotive ground connection key interlocking, and the first master keys 12 is also for inserting the first master keys lock core 11 and unlocking first from key 14 (shown in Fig. 1).
Second key locker 2 has the second master keys lock core 21, second from key cylinder 23 and second from key 24, second from key 24 mortise lock second from key cylinder 23.
Any one unlock after first from key 14 for inserting the second master keys lock core 21 and unlocking second from key 24 (shown in Fig. 3), other unlock after first from key 14 for opening the door lock of converter cabinet; After unblock second from key 24 for opening the door lock of filter cabinet.
In the present embodiment, first determines according to the quantity of converter cabinet door lock from key cylinder 13 and first from the quantity of key 14, the first equal in number in the quantity sum of converter cabinet door lock and the second master keys lock core 21 from key cylinder 13 and first from key 14.Such as, the quantity of converter cabinet door lock is three, and the quantity of the second master keys lock core 21 is one, then first be respectively four from key cylinder 13 and first from the quantity of key 14.Certainly, first three or five can be also respectively from key cylinder 13 and first from the quantity of key 14.
Second determines according to the quantity of filter cabinet door lock from key cylinder 23 and second from the quantity of key 24, particularly, second from the quantity of key 24 be one, two or three.
Further, first master keys 12, first is from key 14 and second different from each other and can not exchange from the tooth-shape structure of key 24, and that is, the first master keys 12, first can not exchange use from key 14 and second each other from key 24, its duty of each department, avoids maloperation.First master keys 12, first is different from each other from the color of key 24 from key 14 and second, is convenient to distinguish each other, can reminds staff, avoid maloperation.Particularly, the first master keys 12 is yellow, and first be green from key 14, and second be redness from key 24, realizes the object of color differentiation.Certainly, also can be configured to other color combination, repeat no more.
Illustrate interlocking protective device operating process and interlock protection principle that the present embodiment provides below:
The process opening converter cabinet and filter cabinet is as follows:
The first step, rotates the locomotive ground connection key certain angle (can be 90 degree) on the earthing switch of locomotive, is unlocked by the first master keys 12 by ground switch earthing simultaneously, take off the first master keys 12 after unblock;
Second step, first master keys 12 is inserted in the first master keys lock core 11 of the first key locker 1, rotate the first master keys 12 certain angle (can be 90 degree), the first master keys lock core 11 links from key cylinder 13 with multiple first, unlocks multiple first from key 14;
3rd step, take off any one first from key 14, can the first master keys 12 be locked together in the first master keys lock core 11 simultaneously, then this first is inserted the second master keys lock core 21 the second key locker 2 and turn an angle (can be 90 degree) from key 14, second master keys lock core 21 and second links from key cylinder 23, unlocks second from key 24; Take off other first from key 14, open each door lock of converter cabinet respectively;
4th step, takes off second to open filter cabinet door lock from key 24.
The process of locking converter cabinet and filter cabinet is as follows:
The first step, the door lock of locking filter cabinet, takes off second on door lock from key 24, and inserts second of the second key locker 2 and return to initial position (second from key turns 90 degree) from key cylinder 23;
Second step, rotates and takes off first on the second master keys lock core 21 from key 14, and inserts any one the first key locker 1 first from key cylinder 13 by first from key 14.Rotate this first from key 14 certain angle (can be 90 degree), this first is returned to initial position from key 14;
3rd step, all the other cabinet doors of locking converter cabinet, take off all the other first from key 14, to insert the first key locker 1 other first respectively return to initial position by first from key 14 in key cylinder 13;
4th step, rotates the first master keys 12 and takes off; First master keys 12 is inserted in the lock core of earthing switch, rotates the first master keys 12, locomotive ground connection key is unlocked, takes off locomotive ground connection key.
The interlocking protective device that the present embodiment provides; first of locomotive ground connection key and converter cabinet can be realized from key 14 interlock protection; converter cabinet first from second of key 14 and filter cabinet from key 24 interlock protection; thus the door lock reciprocal interlocking protection of converter cabinet and filter cabinet can be realized; when staff needs to open filter cabinet; the locomotive ground connection key on earthing switch must be rotated, make current transformer ground connection, improve the processing safety of staff.
With reference to the flow chart of the interlock protection method that figure 5, Fig. 5 provides for second embodiment of the invention.
The interlock protection method that second embodiment of the invention provides, comprising:
Step 10, locomotive ground connection key and the first master keys are interlocked;
Step 20, the first master keys by the first master keys lock core of the first key locker and the first key locker multiple first from key interlocking;
Step 30, any one first from key by the second master keys lock core of the second key locker and the second key locker second from key interlocking.
Particularly, in step 10, locomotive ground connection key and the first master keys are interlocked, and unlock the first master keys by locomotive ground connection key; Equally, locomotive ground connection key is unlocked by the first master keys.
In step 20, the first master keys and multiple first is from key interlocking, and unlock multiple first from key by the first master keys, equally, multiple first unlocks the first master keys together from key.
In step 30, any one is first from key and second from key interlocking, first unlocks second from key from key by any one, equally, unlocks this first from key by second from key.
Further, first is three, four or five from the quantity of key; Second from the quantity of key be one, two or three.First master keys, first different from each other and can not exchange from the tooth-shape structure of key from key and second, can maloperation be avoided.
The interlock protection method that the present embodiment provides; can realize locomotive ground connection key and converter cabinet first protects from key interlocking; first of converter cabinet is protected from second of key and filter cabinet from key interlocking; thus the door lock reciprocal interlocking protection of converter cabinet and filter cabinet can be realized; when staff needs to open filter cabinet; the locomotive ground connection key on earthing switch must be rotated, make current transformer ground connection, improve the processing safety of staff.
With reference to the structural representation of the converter cabinet that figure 6, Fig. 6 provides for third embodiment of the invention.
The converter cabinet 3 that third embodiment of the invention provides, comprises cabinet and cabinet door, cabinet door has door lock 31, it is characterized in that, this converter cabinet 3 is also provided with the interlocking protective device that above-described embodiment provides, and interlocking protective device is arranged on converter cabinet.
The converter cabinet that the present embodiment provides has interlock protection function, and the course of work and the principle of concrete interlocking protective device are same as the previously described embodiments, do not repeat them here.
Further, the first key locker 1 is arranged on the outer wall of the cabinet of converter cabinet 3, and the second key locker 2 is arranged on the inwall of the cabinet of converter cabinet 3.The inside that second key locker 2 is arranged on converter cabinet can be played the operation of opening filter cabinet and further be protected, because take out second of filter cabinet from key 24, just first must open the cabinet door 31 of converter cabinet, and before opening the cabinet door 31 of converter cabinet, cabinet door 31 has high pressure nameplate 32, high pressure nameplate 32 has " before opening converter cabinet, PLSCONFM HT pilot extinguishes " sign, with alert before the cabinet door 31 opening converter cabinet 3, whether the HT pilot must observing voltage detecting plate extinguishes, as HT pilot extinguishes, then represent that intermediate dc loop does not exist voltage, the cabinet door 31 now opening unsteady flow takes out second from key 24, filter cabinet is opened from key 24 by second, intermediate loop can be avoided to there is high pressure danger is caused to staff.
The converter cabinet that the present embodiment provides, owing to being provided with interlocking protective device, can realize locomotive ground connection key and converter cabinet first protects from key interlocking, first of converter cabinet is protected from second of key and filter cabinet from key interlocking, thus the door lock reciprocal interlocking protection of converter cabinet and filter cabinet can be realized, when staff needs to open filter cabinet, the locomotive ground connection key on earthing switch must be rotated, make current transformer ground connection, and must open converter cabinet just can take off open filter cabinet door second from key, must confirm before opening converter cabinet that intermediate loop does not exist high pressure, improve the processing safety of staff.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an interlocking protective device, is characterized in that, comprises the first key locker, the second key locker for being arranged on converter cabinet;
Described first key locker has the first master keys lock core, multiple identical first from key cylinder and first from key, described first from key mortise lock described first from key cylinder; First master keys lock core and described first links from key cylinder, the first master keys on locomotive earthing switch is used for and locomotive ground connection key interlocking, and described first master keys is also for inserting described first master keys lock core and unlocking first from key;
Described second key locker has the second master keys lock core, second from key cylinder and second from key, described second from key mortise lock described second from key cylinder;
Any one unlock after first from key for inserting described second master keys lock core and unlocking described second from key, other unlock after first from key for opening the door lock of converter cabinet; After unblock second from key for opening the door lock of filter cabinet.
2. interlocking protective device according to claim 1, is characterized in that, described first is three, four or five from the quantity of key.
3. interlocking protective device according to claim 2, is characterized in that, described second from the quantity of key be one, two or three.
4. interlocking protective device according to claim 1 and 2, is characterized in that, described first master keys, first different from each other and can not exchange from the tooth-shape structure of key from key and second.
5. interlocking protective device according to claim 1 and 2, is characterized in that, described first master keys, first different from each other from the color of key from key and second.
6. an interlock protection method, is characterized in that, comprising:
Locomotive ground connection key and the first master keys are interlocked;
First master keys by the first master keys lock core of the first key locker and the first key locker multiple first from key interlocking;
Described in any one first from key by the second master keys lock core of the second key locker and the second key locker second from key interlocking;
Other described first is interlocked from key with corresponding converter cabinet; Described second interlocks from key with corresponding filter cabinet.
7. interlock protection method according to claim 6, is characterized in that, described first is three, four or five from the quantity of key; Described second from the quantity of key be one, two or three.
8. the interlock protection method according to claim 6 or 7, is characterized in that, described first master keys, first different from each other and can not exchange from the tooth-shape structure of key from key and second.
9. a converter cabinet, comprises cabinet and cabinet door, and described cabinet door has door lock, it is characterized in that, comprise the interlocking protective device described in any one of claim 1-5, described interlocking protective device is arranged on described converter cabinet.
10. converter cabinet according to claim 9, is characterized in that, described first key locker is arranged on the outer wall of described cabinet, and described second key locker is arranged on the inwall of described cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386508.6A CN103132810B (en) | 2011-11-29 | 2011-11-29 | Interlocking protection device and method and converter cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386508.6A CN103132810B (en) | 2011-11-29 | 2011-11-29 | Interlocking protection device and method and converter cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103132810A CN103132810A (en) | 2013-06-05 |
| CN103132810B true CN103132810B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110386508.6A Active CN103132810B (en) | 2011-11-29 | 2011-11-29 | Interlocking protection device and method and converter cabinet |
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| CN (1) | CN103132810B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603553B (en) * | 2013-10-22 | 2017-01-11 | 北京赛德高科铁道电气科技有限责任公司 | Key box for electric locomotive or bullet train |
| CN103944093B (en) * | 2014-04-02 | 2016-04-20 | 常熟永明电气有限公司 | The mechanical interlocking of metering cabinet and PT cabinet, always cabinet |
| CN107933323A (en) * | 2017-11-17 | 2018-04-20 | 中车株洲电力机车有限公司 | A kind of shunter and its high-voltage safety interlocking system and method |
| CN110435483B (en) * | 2019-07-19 | 2021-02-09 | 中车青岛四方机车车辆股份有限公司 | High-voltage interlocking protection device and method for railway vehicle |
| CN111082353B (en) * | 2019-12-17 | 2021-12-17 | 上海平高天灵开关有限公司 | Box transformer low-voltage incoming line switch and power generation car room shared locking structure and locking method thereof |
| CN113911147B (en) * | 2021-09-30 | 2022-10-14 | 中车株洲电力机车有限公司 | Locomotive and mechanical delay safety interlocking system and method |
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| SE8803433D0 (en) * | 1988-09-28 | 1988-09-28 | Olle Wallstrom | CENTRALLASSYSTEM |
| JP3821398B2 (en) * | 1996-03-29 | 2006-09-13 | 株式会社岡村製作所 | Storage group locking / unlocking control device |
| JP2005197194A (en) * | 2004-01-05 | 2005-07-21 | Hiroo Nonoshita | Power source control system interlocking with locking/unlocking by door key (door locking/unlocking priority type) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1962306A (en) * | 2006-12-04 | 2007-05-16 | 中国南车集团株洲电力机车有限公司 | High voltage safe cross-linked protective system of locomotive |
| CN201117478Y (en) * | 2007-08-27 | 2008-09-17 | 上海天灵开关厂有限公司 | Multi-net door interlocking device |
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Address after: 044502 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044502 Shanxi city of Yuncheng province Yongji City Motor Street No. 18 Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
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