CN202258875U - Electromagnetic lock linkage system used for switch incoming cubicle - Google Patents
Electromagnetic lock linkage system used for switch incoming cubicle Download PDFInfo
- Publication number
- CN202258875U CN202258875U CN2011203731689U CN201120373168U CN202258875U CN 202258875 U CN202258875 U CN 202258875U CN 2011203731689 U CN2011203731689 U CN 2011203731689U CN 201120373168 U CN201120373168 U CN 201120373168U CN 202258875 U CN202258875 U CN 202258875U
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- electromagnetic lock
- switch
- node
- cover plate
- locking bar
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Abstract
The utility model provides an electromagnetic lock linkage system to realize the linkage between an electromagnetic lock and an incoming cable. When an incoming cable is charged and the electromagnetic lock is in a deadlock state, a locking bar of the electromagnetic lock locks a grounding switch operation hole cover plate to realize the lock of a grounding switch in the case that the incoming cable is charged; when the incoming cable is not charged, i.e. in case of outage, an unlock electromagnet in the electromagnetic lock obtains power and the generated magnetic force makes an adsorption gavelock move downwards; the locking bar jumps and withdraws to release the locking state of the electromagnetic lock; the grounding switch operation hole cover plate can also be unlocked and subsequent grounding operation can be performed by turning the cover plate.
Description
Technical field
The utility model relates to a kind of electric equipment, is specifically related to a kind of interlocking gear that is used for the switch incoming line cabinet.
Background technology
Safety problem is design focal point and the machinery and the electric dual safety guarantee of the electric utility designer trends that all the time are Switch products in the shop always.Switch cubicle in the market, incoming line cabinet; Operating personnel get final product the direct control earthed switch when the on-load switch in the cabinet breaks off, and the ground connection of carrying out under this situation operation is safe, if but the inlet wire cable of inlet wire side is still charged at this moment; But operating personnel are ground connection still; Can cause the short circuit of inlet wire side like this, not only can damage equipment, bring great threat also can for operating personnel's life security.Do not design to this situation in the prior art, avoiding the not powering-off state ground connection operation down of inlet wire side, thereby be badly in need of a kind of device and solve this problem, be implemented in the inlet wire side and can't carry out the ground connection operation when charged, chain in the realization mechanism.
Summary of the invention
The utility model purpose is to provide a kind of electromagnetic lock locking system that is used for the switch incoming line cabinet; It realizes the chain of electromagnetic lock and inlet wire side cable; When the inlet wire cable is charged; The stuck earthed switch handle hole of the locking bar of electromagnetic lock cover plate plays locking action to ground connection switching manipulation blind patch, and operating personnel are played good protection effect.
In order to solve these problems of the prior art, the technical scheme that the utility model provides is:
A kind of electromagnetic lock locking system that is used for the switch incoming line cabinet; It comprises switch incoming line cabinet operating mechanism and is located at the earthed switch handle hole cover plate on the operating mechanism, and operating mechanism is provided with bearing pin, and described earthed switch handle hole cover plate can rotate around bearing pin; The end of earthed switch handle hole cover plate is provided with the duck projection; Described locking system also comprises electromagnetic lock, charged display unit, and electromagnetic lock comprises releasing magnet, locking bar, absorption iron, and locking bar is provided with groove; Absorption iron under the lockup state is connected in the locking bar groove; Electromagnetic lock locking bar termination under the lockup state is stuck on the described duck projection, is used to show that the charged display unit of outside input power supply status links to each other with outside three-phase electricity, and the out-put supply of described charged display unit inserts electromagnetic lock.
Detailed technical scheme is: a kind of electromagnetic lock locking system that is used for the switch incoming line cabinet, and it comprises switch incoming line cabinet operating mechanism and is located at the earthed switch handle hole cover plate on the operating mechanism that operating mechanism is provided with bearing pin; Described earthed switch handle hole cover plate can rotate around bearing pin; The end of earthed switch handle hole cover plate is provided with the duck projection, and described locking system also comprises electromagnetic lock, charged display unit, and electromagnetic lock comprises releasing magnet, locking bar, absorption iron; Locking bar is provided with groove; Absorption iron under the lockup state is connected in the locking bar groove, and the electromagnetic lock locking bar termination under the lockup state is stuck on the described duck projection, is used to show that the charged display unit of outside input power supply status links to each other with outside three-phase electricity; The out-put supply of described charged display unit inserts electromagnetic lock; Be provided with two nodes in the described charged display unit, a node is the outage node, and another node is the energising node; When described outside three-phase electricity was "on" position, releasing magnet inserted the outage node; When described outside three-phase electricity is off-position; Releasing magnet inserts the energising node, is provided with contact switch in the described electromagnetic lock, and described contact switch is located in electromagnetic lock and the power circuit that the energising node links to each other; The real-time break-make that is used for control loop; Be provided with switch and relay in the described electromagnetic lock, be located at after the series connection of described switch and relay in electromagnetic lock and the outage loop that the outage node links to each other, be used to realize automatically reseting of electromagnetic lock locking bar; Every electricity mutually of described outside three phase mains is an elder generation and a capacitances in series all, inserts charged display unit again.
Than solution of the prior art, the utility model advantage is:
1. the electromagnetic lock locking system that the utility model provided; Electromagnetic lock and inlet wire cable are realized chain, and when the inlet wire cable was charged, electromagnetic lock was in locking state; The locking bar of electromagnetic lock blocks earthed switch handle hole cover plate, has realized under the charged situation of inlet wire cable the locking for earthed switch; When the inlet wire cable is not charged when promptly cutting off the power supply; Releasing magnet in the electromagnetic lock gets; The magnetic force that is produced makes the absorption iron move downward, locking bar withdrawals of upspringing, the lock-out state of releasing electromagnetic lock; Earthed switch handle hole cover plate equally also obtains release, pulls cover plate and can carry out follow-up ground connection operation;
2. when the inlet wire cable cuts off the power supply; The utility model set contact switch in electromagnetic lock and the power circuit that links to each other of energising node becomes off-state, and power circuit breaks off at this moment, press contact switch after electromagnetic lock just understand release; So just realized real-time release to electromagnetic lock; Rather than inlet wire cable one outage further improved the fail safe of operation promptly to electromagnetic lock unlock, and can prevent that the earthed switch under the inlet wire cable fault situation from misreading lock;
3. the utility model is provided with switch and relay in electromagnetic lock and the outage loop that links to each other of energising node, and relay has played the cut off the power supply effect in loop of time-delay closing, after this switch opens; When the inlet wire cable when restoring electricity under the off-position, the outage loop switched in the short time, releasing magnet still becomes released state; This hour locking lever slides, and the outage loop formally cuts off the power supply, and the absorption iron is upspring; Electromagnetic lock locks, and has realized the active homing of electromagnetic lock.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 is the mechanical construction drawing of the utility model;
Fig. 2 is a kind of electrical schematic diagram of the utility model;
Wherein: 1, switch incoming line cabinet operating mechanism; 2, earthed switch handle hole cover plate; 3, electromagnetic lock; 4, charged display unit; 5, contact switch; 6, absorption iron; 7, locking bar; 8, switch; 9, releasing magnet; 10, relay.
Embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment:
A kind of electromagnetic lock 3 locking systems that are used for the switch incoming line cabinet, it comprises switch incoming line cabinet operating mechanism 1 and is located at the earthed switch handle hole cover plate 2 on the operating mechanism that operating mechanism is provided with bearing pin; Described earthed switch handle hole cover plate 2 can rotate around bearing pin; The end of earthed switch handle hole cover plate 2 is provided with the duck projection, and described locking system also comprises electromagnetic lock 3, charged display unit 4, and electromagnetic lock 3 comprises releasing magnet 9, locking bar 7, absorption iron 6; Locking bar 7 is provided with groove; Absorption iron 6 under the lockup state is connected in locking bar 7 grooves, and electromagnetic lock 3 locking bars 7 terminations under the lockup state are stuck on the described duck projection, is used to show that the charged display unit 4 of outside input power supply status links to each other with outside three-phase electricity; The out-put supply of described charged display unit 4 inserts electromagnetic lock 3; Be provided with two nodes in the described charged display unit 4, a node is the outage node, and another node is the energising node; When described outside three-phase electricity was "on" position, releasing magnet 9 inserted the outage node; When described outside three-phase electricity is off-position; Releasing magnet 9 inserts the energising nodes, is provided with contact switch 5 in the described electromagnetic lock 3, and described contact switch 5 is located in electromagnetic lock 3 and the power circuit that the energising node links to each other; The real-time break-make that is used for control loop; Be provided with switch 8 and relay 10 in the described electromagnetic lock 3, be located at after described switch 8 and relay 10 series connection in electromagnetic lock 3 and the outage loop that the outage node links to each other, be used to realize automatically reseting of electromagnetic lock 3 locking bars 7; Every electricity mutually of described outside three phase mains is an elder generation and a capacitances in series all, inserts charged display unit 4 again.
When the inlet wire cable was charged, electromagnetic lock 3 was in locking state, and absorption iron 6 is stuck in the groove of electromagnetic lock 3 locking bars 7, and the locking bar 7 of electromagnetic lock 3 blocks earthed switch handle hole cover plate 2, had realized under the charged situation of inlet wire cable the locking for earthed switch; When the inlet wire cable is not charged when promptly cutting off the power supply, the utility model is set 5 one-tenth off-states of contact switch in electromagnetic lock 3 and power circuit that the energising node links to each other, and power circuit breaks off at this moment; Press contact switch 5 just meeting releases of back electromagnetic locks 3; So just realized the real-time release to electromagnetic lock 3, the releasing magnet of pressing in the contact switch 5 back electromagnetic locks 39 must be electric, and the magnetic force that is produced makes absorption iron 6 move downward; Locking bar 7 withdrawal of upspringing; Remove the lock-out state of electromagnetic lock 3, earthed switch handle hole cover plate 2 equally also obtains release, pulls cover plate and can carry out follow-up ground connection operation.
The utility model is provided with switch 8 and relay 10 in electromagnetic lock 3 and the outage loop that links to each other of energising node, relay 10 has played the cut off the power supply effect in loop of time-delay closing, after this switch 8 is opened; When the inlet wire cable when restoring electricity under the off-position, the outage loop switched in the short time, releasing magnet 9 still becomes released state; This hour locking lever 7 slides, and the outage loop formally cuts off the power supply, and absorption iron 6 is upspring; Electromagnetic lock 3 locks, and has realized the active homing of electromagnetic lock 3.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (5)
1. electromagnetic lock locking system that is used for the switch incoming line cabinet, it comprises switch incoming line cabinet operating mechanism and is located at the earthed switch handle hole cover plate on the operating mechanism, it is characterized in that; Operating mechanism is provided with bearing pin; Described earthed switch handle hole cover plate can rotate around bearing pin, and the end of earthed switch handle hole cover plate is provided with the duck projection, and described locking system also comprises electromagnetic lock, charged display unit; Electromagnetic lock comprises releasing magnet, locking bar, absorption iron; Locking bar is provided with groove, and the absorption iron under the lockup state is connected in the locking bar groove, and the electromagnetic lock locking bar termination under the lockup state is stuck on the described duck projection; Be used to show that the charged display unit of outside input power supply status links to each other with outside three-phase electricity, the out-put supply of described charged display unit inserts electromagnetic lock.
2. the electromagnetic lock locking system that is used for the switch incoming line cabinet according to claim 1; It is characterized in that; Be provided with two nodes in the described charged display unit, a node is the outage node, and another node is the energising node; When described outside three-phase electricity was "on" position, releasing magnet inserted the outage node; When described outside three-phase electricity was off-position, releasing magnet inserted the energising node.
3. the electromagnetic lock locking system that is used for the switch incoming line cabinet according to claim 2; It is characterized in that; Be provided with contact switch in the described electromagnetic lock, described contact switch is located in electromagnetic lock and the power circuit that links to each other of energising node, is used for the real-time break-make of control loop.
4. the electromagnetic lock locking system that is used for the switch incoming line cabinet according to claim 2; It is characterized in that; Be provided with switch and relay in the described electromagnetic lock; Be located at after the series connection of described switch and relay in electromagnetic lock and the outage loop that the outage node links to each other, be used to realize automatically reseting of electromagnetic lock locking bar.
5. the electromagnetic lock locking system that is used for the switch incoming line cabinet according to claim 1 is characterized in that, every electricity mutually of described outside three phase mains is an elder generation and a capacitances in series all, inserts charged display unit again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203731689U CN202258875U (en) | 2011-09-30 | 2011-09-30 | Electromagnetic lock linkage system used for switch incoming cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203731689U CN202258875U (en) | 2011-09-30 | 2011-09-30 | Electromagnetic lock linkage system used for switch incoming cubicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258875U true CN202258875U (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203731689U Expired - Lifetime CN202258875U (en) | 2011-09-30 | 2011-09-30 | Electromagnetic lock linkage system used for switch incoming cubicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202258875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767641A (en) * | 2014-01-24 | 2014-05-07 | 南通钰成光电科技有限公司 | Electric twist-drying mop |
| CN106783292A (en) * | 2016-12-27 | 2017-05-31 | 浙江阿海珐电气有限公司 | A kind of earthed switch interlock and the ring main unit with it |
-
2011
- 2011-09-30 CN CN2011203731689U patent/CN202258875U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767641A (en) * | 2014-01-24 | 2014-05-07 | 南通钰成光电科技有限公司 | Electric twist-drying mop |
| CN106783292A (en) * | 2016-12-27 | 2017-05-31 | 浙江阿海珐电气有限公司 | A kind of earthed switch interlock and the ring main unit with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |