CN207739777U - The cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet - Google Patents
The cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet Download PDFInfo
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- CN207739777U CN207739777U CN201820047487.2U CN201820047487U CN207739777U CN 207739777 U CN207739777 U CN 207739777U CN 201820047487 U CN201820047487 U CN 201820047487U CN 207739777 U CN207739777 U CN 207739777U
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- Prior art keywords
- lock
- cabinet door
- electromagnetic lock
- cabinet
- tension switch
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Abstract
The utility model provides a kind of cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet.The system includes cabinet door electromagnetic lock locking control circuit and control mechanism.Wherein, cabinet door electromagnetic lock locking control circuit includes DC power supply, it further include the circuit of the auxiliary normally closed contact and electromagnetic lock with the auxiliary normally closed contact of the concatenated mains side disconnecting switch of DC power supply, load side disconnecting switch, wherein, the circuit of electromagnetic lock includes concatenated button switch and electromagnet coil.Cabinet door electromagnetic lock lock-in control mechanism includes locking bolt in the electromagnetic lock of the jam plate in the cabinet door of high-tension switch cabinet and close to fixed cabinet door and can be from the state transformation of locking locking bolt to the electromagnet lock pin for the state for decontroling locking bolt under the action of electromagnet coil.The utility model realizes electric interlock by the system, prevents from turning on the switch cabinet cabinet door and staff's mistakenly entering charged chamber when high-tension switch cabinet does not have a power failure, avoids the generation of safety accident, it is ensured that the safe operation of electric system.
Description
Technical field
The utility model belongs to high-tension switch cabinet safe operation technical field more particularly to a kind of cabinet door of high-tension switch cabinet
Electromagnetic lock lock-in control system.
Background technology
Currently, high-voltage switch cabinet door generally individually uses mechanical latching mode or electrical interlocks mode, some behaviour
Make it is complex because complicated for operation or failure rate is higher, or even by lock release, some because design function it is not perfect,
The reasons such as working service is improper, blocking device is unreliable, operating personnel operate against regulations, there are certain peaces for switchgear reliability service
Full hidden danger.
Therefore, there is an urgent need for a kind of cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet, pass through the cabinet of the high-tension switch cabinet
Door electromagnetic lock lock-in control system realizes electric interlock, prevents the generation of mistakenly entering charged chamber and maloperation, it is ensured that equipment and people
Body safety meets safety in production and requires.
Invention content
The technical problem to be solved by the present invention is to provide a kind of cabinet door electromagnetic locks of safe and reliable high-tension switch cabinet
Lock-in control system.
In order to solve the above-mentioned technical problem, the utility model discloses following technical solutions：
It is proposed a kind of cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet.The cabinet door electromagnetic lock of the high-tension switch cabinet
Lock-in control system includes cabinet door electromagnetic lock locking control circuit and cabinet door electromagnetic lock lock-in control mechanism, wherein
The cabinet door electromagnetic lock locking control circuit includes DC power supply, further includes and the concatenated power supply of the DC power supply
The normally closed contact of the auxiliary switch of side disconnecting switch, the auxiliary switch of load side disconnecting switch normally closed contact and electromagnetic lock electricity
Road, wherein the circuit of the electromagnetic lock includes concatenated button switch and electromagnet coil；
The cabinet door electromagnetic lock lock-in control mechanism includes in the cabinet door of the high-tension switch cabinet and close to solid
Determine locking bolt in the electromagnetic lock of the jam plate of cabinet door and can be from locking the locking bolt under the action of electromagnet coil
Electromagnet lock pin of the state transformation to the state for decontroling the locking bolt.
For the cabinet door electromagnetic lock lock-in control system of above-mentioned high-tension switch cabinet, the circuit of the electromagnetic lock further includes and institute
State the unlocking reminiscences of electromagnet coil parallel connection.
For the cabinet door electromagnetic lock lock-in control system of above-mentioned high-tension switch cabinet, the circuit of the electromagnetic lock further includes and institute
State the concatenated current-limiting resistance of unlocking reminiscences.
For the cabinet door electromagnetic lock lock-in control system of above-mentioned high-tension switch cabinet, the unlocking reminiscences be sound and/or
Shine reminiscences.
For the cabinet door electromagnetic lock lock-in control system of above-mentioned high-tension switch cabinet, the supply voltage of the DC power supply is
220V。
The cabinet door electromagnetic lock lock-in control system major advantage of the high-tension switch cabinet of the utility model is as follows：
Solve the problems, such as that the interlock interlocking of the prior art can not ensure the personal safety of operator well.It is logical
The cabinet door electromagnetic lock lock-in control system for crossing the high-tension switch cabinet realizes electric interlock, prevents from not having a power failure in high-tension switch cabinet high pressure
The cabinet door and staff's mistakenly entering charged chamber that cabinet is turned on the switch when i.e. disconnecting switch is not pulled open avoid equipment and person peace
The generation of full accident, it is ensured that the safe operation of electric system.The cabinet door electromagnetic lock of the high-tension switch cabinet of the utility model is latched
Control system dependable performance, it is easy to operate, and also cost is relatively low.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the utility model
A part for embodiment is intended only as example and is used for explaining the utility model embodiment, do not constitute and implement to the utility model
The improper restriction of example.In the accompanying drawings：
Cabinet in the cabinet door electromagnetic lock lock-in control system for the high-tension switch cabinet that Fig. 1 provides for the utility model one embodiment
The structural schematic diagram of door electromagnetic lock locking control circuit.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Technical solutions of the utility model are clearly and completely described in type embodiment and corresponding attached drawing.Obviously, described implementation
Example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ability
It is new to belong to this practicality for the every other embodiment that domain those of ordinary skill is obtained without making creative work
The range of type protection.
The (if present)s such as term " first ", " second " in specification and claims and above-mentioned attached drawing are to be used for area
Not similar part, without being used to describe specific sequence or precedence.It should be appreciated that the data used in this way are appropriate
In the case of can be interchanged, so that embodiments herein described herein can be real with the sequence other than illustrating herein
It applies.
Cabinet in the cabinet door electromagnetic lock lock-in control system for the high-tension switch cabinet that Fig. 1 provides for the utility model one embodiment
The structural schematic diagram of door electromagnetic lock locking control circuit.As shown in Figure 1, the high-voltage switch cabinet door electromagnetic lock that the embodiment provides
Lock-in control system includes cabinet door electromagnetic lock locking control circuit and cabinet door electromagnetic lock lock-in control mechanism.Wherein, cabinet door electromagnetism
Locking lock control circuit includes DC power supply KM, further includes the auxiliary switch with the concatenated mains side disconnecting switch of DC power supply KM
Normally closed contact QS1, load side disconnecting switch auxiliary switch normally closed contact QS2 and electromagnetic lock DSN circuit.Wherein, electric
The circuit of magnetic padlock DSN includes concatenated button switch SB1 and electromagnet coil 1DS.Electromagnetic lock DSN is mounted on high-voltage switch gear
In the cabinet door of cabinet, close to the jam plate of fixed cabinet door.Cabinet door electromagnetic lock lock-in control mechanism include locking bolt in electromagnetic lock DSN, with
And it can be from electromagnet lock of the state transformation of locking locking bolt to the state for decontroling locking bolt under the action of electromagnet coil 1DS
Pin.
As a specific example of cabinet door electromagnetic lock locking control circuit, the anode+KM connection buttons of DC power supply are opened
Close one end of SB1, one end of the other end connection electromagnet coil 1DS of button switch SB1, the other end of electromagnet coil 1DS
One end of the auxiliary normally closed contact QS1 of mains side disconnecting switch is connected, the auxiliary normally closed contact QS1's of mains side disconnecting switch is another
One end of the auxiliary normally closed contact QS2 of one end connected load side disconnecting switch, the auxiliary normally closed contact QS2 of load side disconnecting switch
The other end connection DC power supply cathode-KM.
Wherein, the supply voltage of DC power supply KM can be 220V.
The operation principle of the cabinet door electromagnetic lock lock-in control system of the high-tension switch cabinet of above-described embodiment is as follows：
When equipment is overhauled in high-tension switch cabinet, the breaker of high-tension switch cabinet is disconnected first, then is divided successively
Breaker load side and the disconnecting switch of mains side are not pulled open, at this point, the auxiliary of corresponding breaker load side disconnecting switch is normal
Contact QS2 is closed to connect with the equal involution closures of the auxiliary normally closed contact QS1 of circuit breaker electric source disconnecting switch.At this moment, by lower button
Switch SB1, DC power supply KM have connected cabinet door electromagnetic lock locking control circuit, are located at the electromagnet of the electromagnetic lock DSN in cabinet door
Coil 1DS obtains electric, and electromagnet lock pin is attracted, and it is controlled to release locking bolt, at this time the handle in rotary switch cabinet cabinet door, electromagnet lock
Pin is detached from the jam plate of fixed cabinet door, at this moment can open the cabinet door of high-tension switch cabinet.When the auxiliary of mains side disconnecting switch is normally closed
The locking of at least one normally closed contact is disconnected in the contact QS1 and auxiliary normally closed contact QS2 of load side disconnecting switch, that is,
Say, the disconnecting switch of circuit breaker electric source and the disconnecting switch of load side at least one when not pulling open, the cabinet of high-tension switch cabinet
Goalkeeper cannot unlock.
The cabinet door electromagnetic lock lock-in control system of this high-tension switch cabinet prevent high-tension switch cabinet high pressure do not have a power failure i.e. every
It leaves and closes cabinet door and mistakenly entering charged chamber that staff when not pulling open opens high-tension switch cabinet, avoid equipment and person peace
The generation of full accident, it is ensured that the safe operation of electric system.
Preferably, the circuit of electromagnetic lock DSN further includes the unlocking reminiscences LD in parallel with electromagnet coil 1DS, such as sound
Sound and/or luminous reminiscences.When equipment is overhauled in high-tension switch cabinet, the open circuit of high-tension switch cabinet is disconnected first
Device, then pull open breaker load side and the disconnecting switch of mains side respectively successively, at this point, corresponding breaker load side is kept apart
The auxiliary normally closed contact QS2 of pass is connected with the equal involution closures of the auxiliary normally closed contact QS1 of circuit breaker electric source disconnecting switch.This
When, button switch SB1 is pressed, DC power supply KM has connected cabinet door electromagnetic lock locking control circuit, and unlocking reminiscences LD starts, than
As indicator light light and/or voice reminder carry out voice reminder, meanwhile, be located at cabinet door on electromagnetic lock DSN electromagnetism
Iron coil 1DS obtains electric, and electromagnet lock pin is attracted, and it is controlled to release locking bolt, at this time the handle in rotary switch cabinet cabinet door, electromagnet
Lock pin is detached from the jam plate of fixed cabinet door, at this moment can open the cabinet door of high-tension switch cabinet.When the auxiliary of mains side disconnecting switch is normal
It is high when closing in the contact QS1 and auxiliary normally closed contact QS2 of load side disconnecting switch the locking of at least one normally closed contact and disconnecting
The cabinet door of cabinet of compressing switch cannot unlock.
Further, the circuit of electromagnetic lock DSN further includes and the concatenated current-limiting resistance R of unlocking reminiscences LD.
If encountering electromagnet coil in the cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet to burn out or keep apart
The case where associated contacts are closed poor contact is closed, after safety verification, the unlock of universal mechanical key can be used to open high pressure
The cabinet door of switchgear.
The cabinet door electromagnetic lock lock-in control system of the high-tension switch cabinet of the utility model can safely and reliably open high pressure
The cabinet door of switchgear, prevents mistakenly entering charged chamber, it is ensured that equipment and personal safety.In addition, the high-tension switch cabinet of the utility model
Cabinet door electromagnetic lock lock-in control system performance it is reliable, it is easy to operate, and cost is relatively low.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (5)
1. a kind of cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet, which is characterized in that be latched and control including cabinet door electromagnetic lock
Circuit processed and cabinet door electromagnetic lock lock-in control mechanism, wherein
The cabinet door electromagnetic lock locking control circuit includes DC power supply (KM), further includes concatenated with the DC power supply (KM)
The normally closed contact of the normally closed contact (QS1) of the auxiliary switch of mains side disconnecting switch, the auxiliary switch of load side disconnecting switch
(QS2) and the circuit of electromagnetic lock (DSN), wherein the circuit of the electromagnetic lock (DSN) include concatenated button switch (SB1) and
Electromagnet coil (1DS)；
The cabinet door electromagnetic lock lock-in control mechanism includes the locking bolt of the electromagnetic lock (DSN) and in the electromagnet coil
The electromagnet lock pin of state that can be from the state transformation of the locking locking bolt to the relieving locking bolt under the action of (1DS),
In, the electromagnetic lock is mounted in the cabinet door of the high-tension switch cabinet and close to the jam plate of fixed cabinet door.
2. the cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet according to claim 1, which is characterized in that the electricity
The circuit of magnetic padlock (DSN) further includes the unlocking reminiscences (LD) in parallel with the electromagnet coil (1DS).
3. the cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet according to claim 2, which is characterized in that the electricity
The circuit of magnetic padlock (DSN) further includes and the concatenated current-limiting resistance of the unlocking reminiscences (LD) (R).
4. the cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet according to claim 2, which is characterized in that described to open
It is sound and/or luminous reminiscences to lock reminiscences (LD).
5. the cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet according to claim 1, which is characterized in that described straight
The supply voltage in galvanic electricity source (KM) is 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047487.2U CN207739777U (en) | 2018-01-11 | 2018-01-11 | The cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047487.2U CN207739777U (en) | 2018-01-11 | 2018-01-11 | The cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207739777U true CN207739777U (en) | 2018-08-17 |
Family
ID=63123082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820047487.2U Expired - Fee Related CN207739777U (en) | 2018-01-11 | 2018-01-11 | The cabinet door electromagnetic lock lock-in control system of high-tension switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207739777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915398A (en) * | 2018-08-27 | 2018-11-30 | 国网江苏省电力有限公司镇江供电分公司 | Substation's security protection system |
-
2018
- 2018-01-11 CN CN201820047487.2U patent/CN207739777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915398A (en) * | 2018-08-27 | 2018-11-30 | 国网江苏省电力有限公司镇江供电分公司 | Substation's security protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 Termination date: 20210111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |