CN205230875U - Earthing switch interlock and adopt this earthing switch interlock's cubical switchboard - Google Patents
Earthing switch interlock and adopt this earthing switch interlock's cubical switchboard Download PDFInfo
- Publication number
- CN205230875U CN205230875U CN201520940282.3U CN201520940282U CN205230875U CN 205230875 U CN205230875 U CN 205230875U CN 201520940282 U CN201520940282 U CN 201520940282U CN 205230875 U CN205230875 U CN 205230875U
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- ground connection
- axis hole
- electromagnetic lock
- baffle plate
- operation axis
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Abstract
The utility model provides an earthing switch interlock. Earthing switch interlock includes ground connection padlock device, operating device, ground connection operation shaft hole baffle and electromagnetic lock. Ground connection padlock device includes the chain valve of ground connection, bottom plate and the padlock of being connected chain valve of ground connection and bottom plate, and operating device is including round pin axle and ground connection operating axis, and the ground connection operating axis is including the operation shaft hole of locating its one end, ground connection operation shaft hole baffle with bottom plate fixed connection, ground connection operation shaft hole baffle partially occluded the operation shaft hole, ground connection operation shaft hole baffle includes the limiting through hole who sets up with the round pin shaft fit, the round pin axle is located limiting through hole, electromagnetic lock include the locking lever, the locking lever butt ground connection operation shaft hole baffle of the electromagnetic lock under the locking state. The utility model discloses provide an adoption simultaneously earthing switch interlock's cubical switchboard. Make operating personnel only could not operate the operation shaft hole when the inlet wire end of cubical switchboard is electrified, played fine guard action to operating personnel.
Description
Technical field
The utility model relates generally to technical field of electric equipment, especially, relates to a kind of ground switch interlocking device and adopts the switch cubicle of this device.
Background technology
In order to strengthen the reliability of distribution security of operation, anti-misoperation in " five prevent " of effective raising distribution incoming line switch cabinet " anti-error charged conjunction earthed switch ", improve the security of operation of Switch Equipment, therefore the anti-misoperation apparatus of the earthing device of incoming line cabinet switchgear need be strengthened.
The Switch main body lower end of the three-stations load switch of present operation is with earthed switch, and the end of incoming cables of most switch cubicle distribution incoming line switch cabinet is in switch lower end.Need just to split pass after by higher level's switch cutoff power supply when incoming line switch cabinet will carry out ground connection operation and carry out safety operation.And existing three-stations load switch employing is a set of " five prevent " ground connection handle hole padlock interlock, there is operator when not judging that whether incoming line switch cabinet end of incoming cables is charged, opening padlock interlock with private key and having carried out " misoperation of switch ground connection ".Thus bring certain potential safety hazard to the safe operation of switch cubicle.
Therefore, the ground switch interlocking device that a kind of improvement is provided is necessary.
Summary of the invention
The purpose of this utility model is for solving the technical problem directly opened padlock when existing ground switch interlocking device cannot judge that whether switch cubicle end of incoming cables is charged and likely cause misoperation; when switch cubicle end of incoming cables is charged; the locking bar stuck ground connection operation axis hole baffle plate of electromagnetic lock; make operating personnel open ground connection hanging locking device also cannot operate, operating personnel are played a very good protection.
The utility model provides a kind of ground switch interlocking device, comprise ground connection hanging locking device, operating mechanism, ground connection operation axis hole baffle plate and electromagnetic lock, described ground connection hanging locking device comprises the chain valve of ground connection, the base plate arranged with described ground connection chain valve relative spacing and the padlock that chain for described ground connection valve is connected with described base plate, described operating mechanism comprises bearing pin and ground connection operating axis, described ground connection operating axis comprises the operation axis hole being located at its one end, described ground connection operation axis hole baffle plate comprises the rectangular limiting through hole be equipped with described bearing pin, described bearing pin is located at described limiting through hole, and described ground connection operation axis hole baffle plate can move along the length direction of described limiting through hole relative to described operating mechanism, described ground connection operation axis hole baffle plate is fixedly connected with described base plate and operates axis hole described in partial occlusion, described electromagnetic lock comprises locking bar, in a latched condition, the locking bar of described electromagnetic lock abuts described ground connection operation axis hole baffle plate.
In a kind of preferred embodiment of described ground switch interlocking device that the utility model provides, described ground connection operation axis hole baffle plate also comprises groove, and the termination of described locking bar is contained in described groove.
In a kind of preferred embodiment of described ground switch interlocking device that the utility model provides, described electromagnetic lock also comprises blocking coil and is located at the dynamic iron core in the middle part of described blocking coil, and described dynamic iron core and described locking bar are lenticular connection.
In a kind of preferred embodiment of described ground switch interlocking device that the utility model provides, described electromagnetic lock also comprises indicator light.
In a kind of preferred embodiment of described ground switch interlocking device that the utility model provides, also comprise the electrification display of display external power source, described electrification display is electrically connected with described electromagnetic lock.
In a kind of preferred embodiment of described ground switch interlocking device that the utility model provides, described electrification display comprises power-off node and energising node, when described external power source is "on" position, described blocking coil access power-off node, when described external power source is off-position, described blocking coil access energising node.
The utility model provides a kind of switch cubicle simultaneously, described switch cubicle comprises switchgear, described switchgear comprises ground switch interlocking device, described ground switch interlocking device comprises ground connection hanging locking device, operating mechanism, ground connection operation axis hole baffle plate and electromagnetic lock, described ground connection hanging locking device comprises the chain valve of ground connection, the base plate arranged with described ground connection chain valve relative spacing and the padlock that chain for described ground connection valve is connected with described base plate, described operating mechanism comprises bearing pin and ground connection operating axis, described ground connection operating axis comprises the operation axis hole being located at its one end, described ground connection operation axis hole baffle plate comprises the rectangular limiting through hole be equipped with described bearing pin, described bearing pin is located at described limiting through hole, and described ground connection operation axis hole baffle plate can move along the length direction of described limiting through hole relative to described operating mechanism, described ground connection operation axis hole baffle plate is fixedly connected with described base plate and operates axis hole described in partial occlusion, described electromagnetic lock comprises locking bar, the locking bar of the described electromagnetic lock under lockup state abuts described ground connection operation axis hole baffle plate.
In a kind of preferred embodiment of described switch cubicle that the utility model provides, described switchgear is on-load switch or isolating switch.
In a kind of preferred embodiment of described switch cubicle that the utility model provides, described ground switch interlocking device also comprises electrification display, and described electrification display is electrically connected with described electromagnetic lock.
Compared to prior art, the ground switch interlocking device that the utility model provides and adopt the switch cubicle of this ground switch interlocking device to have following beneficial effect:
One, when switch cubicle end of incoming cables is charged, described electromagnetic lock is in lockup state, described locking bar abuts described ground connection operation axis hole baffle plate, make operating personnel open described ground connection hanging locking device described ground connection operation axis hole baffle plate to be moved in parallel to the direction near described electromagnetic lock, namely operating grip cannot be inserted described operation axis hole and operates by operating personnel; When switch cubicle end of incoming cables is not charged, described electromagnetic lock is in released state, described locking bar and described ground connection operate axis hole baffle plate and have certain interval, described ground connection operation axis hole baffle plate can be moved in parallel to the direction near described electromagnetic lock after operating personnel open described ground connection hanging locking device, make operating personnel operating grip can be inserted described operation axis hole and operate.Ensure that operating personnel only just can operate when described switch cubicle end of incoming cables is not charged, operating personnel are played a very good protection.
Two, described ground connection operation axis hole baffle plate is provided with the groove matched with the termination of described locking bar, makes the termination of locking bar be contained in described groove, under making lockup state, abuts more stable, not fragile described locking bar when operating personnel operate by force.
Three, described dynamic iron core and described locking bar are lenticular connection, and structure is simple, and locking effect is good.
Four, described indicator light operator can be allowed to understand how can safety operation, prevent the generation that the switchgear ground connection error code of switch cubicle operates further.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of ground switch interlocking device one preferred embodiment that the utility model provides;
Fig. 2 is the structural representation of another angle of ground switch interlocking device one preferred embodiment that the utility model provides;
Fig. 3 is operating diagram under the electromagnetic lock lockup state of ground switch interlocking device shown in Fig. 1;
Fig. 4 is operating diagram under the electromagnetic lock unlock state of ground switch interlocking device shown in Fig. 1;
Fig. 5 is the electrical schematic diagram of the electromagnetic lock of ground switch interlocking device shown in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the structural representation of ground switch interlocking device one preferred embodiment that the utility model provides, Fig. 2 is the structural representation of another angle of ground switch interlocking device one preferred embodiment that the utility model provides, and Fig. 3 is operating diagram under the electromagnetic lock lockup state of ground switch interlocking device shown in Fig. 1.The utility model provides a kind of ground switch interlocking device 100, and described ground switch interlocking device 100 comprises ground connection hanging locking device 110, operating mechanism 120, ground connection operation axis hole baffle plate 130, electromagnetic lock 140, electrification display 150 and voltage sensor (not shown).
The base plate 114 that described ground connection hanging locking device 110 comprises the chain valve of ground connection 112, arrange with described ground connection chain valve relative spacing and the padlock 116 that chain for described ground connection valve 112 is connected with described base plate 114.
Described operating mechanism 120 comprises bearing pin 122 and ground connection operating axis 124, and described bearing pin 122 quantity is multiple, and described ground connection operating axis 124 comprises the operation axis hole 1242 being located at its one end.Described operating mechanism 120 is flexibly connected by described bearing pin 122 and described ground connection operation axis hole baffle plate 130.Operating grip can be inserted described operation axis hole 1242 and carry out that ground connection is divided, closing operation by operating personnel when operating.
Described ground connection operation axis hole baffle plate 130 is fixedly connected with described base plate 114, when described ground connection hanging locking device is opened, promotes described base plate 114, described ground connection can be made to operate axis hole baffle plate 130 and move together.Described ground connection operation axis hole baffle plate 130 is located at the operation axis hole 1242 place end of described ground connection operating axis 124 and is operated axis hole 1242 described in partial occlusion.Described ground connection operation axis hole baffle plate 130 comprises the rectangular limiting through hole 132 be equipped with described bearing pin 122, described bearing pin 122 is located at described limiting through hole 132 and the diameter of described raw silk axle 122 is less than the length of described limiting through hole 132, and described ground connection operation axis hole baffle plate 130 can move along the length direction of described limiting through hole 132 relative to described operating mechanism 120.Particularly, the quantity of described limiting through hole 132 is three, the quantity of described raw silk axle 122 is identical with the quantity of described limiting through hole 132, and three described limiting through hole 132 are located at varying level position, makes described ground connection operate axis hole baffle plate 130 more stable with the annexation of described operating mechanism 120.More enter ground one step, described ground connection operation axis hole baffle plate 130 comprises groove.
Described electromagnetic lock 140 comprises blocking coil 142, is located at the dynamic iron core 144 in the middle part of described blocking coil 142, the locking bar 145 that be connected lenticular with described dynamic iron core 144, the handle 146 be connected with described locking bar 145, indicator light 148 and emergency release hole 149.When described blocking coil 142 is not energized, described dynamic iron core 144 locks described locking bar 145, and after described blocking coil 142 is energized, described dynamic iron core 144 is separated with described locking bar 145.The locking bar 145 of the described electromagnetic lock 140 under lockup state abuts described ground connection operation axis hole baffle plate 130, and particularly, the termination of described locking bar is contained in the groove of described ground connection operation axis hole baffle plate 130.Described indicator light 148 to be connected with the working power of described electromagnetic lock 140 for showing described electromagnetic lock 140 or to disconnect, and facilitates staff to judge.Described emergency release hole 149 uses under emergency rating.
Described electrification display 150, for showing external power source state, namely judges whether charged the carrying out of described switch cubicle holds.Described electrification display 150 comprises power-off node K1 and energising node K2.
Described voltage sensor for feeding back described external power source signal, i.e. the power supply signal of the end of incoming cables of described switch cubicle.
Please again combine and consult Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is operating diagram under the electromagnetic lock lockup state of ground switch interlocking device shown in Fig. 1, Fig. 4 is operating diagram under the electromagnetic lock unlock state of ground switch interlocking device shown in Fig. 1, and Fig. 5 is the electrical schematic diagram of the electromagnetic lock of ground switch interlocking device shown in Fig. 1.When described external power source is "on" position when charged (end of incoming cables of described switch cubicle), described voltage sensor feedback voltage signal is to described electrification display 150, described electrification display 150 performs forced blocking function, the blocking coil access power-off node K1 of described electromagnetic lock 140, described electromagnetic lock 140 cannot be unlocked, namely described locking bar 145 is connected to described ground connection operation axis hole baffle plate 130, make described ground connection operate axis hole baffle plate 130 to move along the length direction of described limiting through hole 132 to towards described electromagnetic lock 140 direction, even if namely operating personnel open the operation axis hole 124 that described ground connection hanging locking device 110 also cannot be right and operate.
When described external power source is off-position (it is not charged that the carrying out of described switch cubicle is held), the blocking coil access energising node K2 of described electromagnetic lock 140, described electromagnetic lock 140 is made to be in released state, i.e. locking bar 145 described in described dynamic iron core 144 non-locking, by stirring described handle 146, described locking bar 145 is retreated, after opening described ground connection hanging locking device 110, the length direction of described ground connection operation axis hole baffle plate 130 along described limiting through hole 132 can move towards described electromagnetic lock 140 direction by operating personnel, described operation axis hole 1242 is not covered by described ground connection operation axis hole baffle plate 130, operating grip can be inserted described operation axis hole 1242 and carry out ground connection and divide by operating personnel, closing operation.
The utility model provides a kind of switch cubicle simultaneously, and described switch cubicle comprises switchgear, and described switchgear can be on-load switch 10 or isolating switch, and described switchgear comprises and mentioned above connects switch interlocking device 100.
The ground switch interlocking device that the utility model provides and adopt the switch cubicle of this ground switch interlocking device device to have following beneficial effect:
One, when switch cubicle end of incoming cables is charged, described electromagnetic lock 140 is in lockup state, and described locking bar 145 abuts described ground connection operation axis hole baffle plate 130, makes operating personnel open described ground connection hanging locking device 110 and also cannot operate; When switch cubicle end of incoming cables is not charged, described electromagnetic lock 140 is in released state, described locking bar 145 and described ground connection operate axis hole baffle plate 130 and have certain interval, described ground connection operation axis hole baffle plate 130 can be moved in parallel to the direction near described electromagnetic lock 140 after operating personnel open described ground connection hanging locking device 110, make operating personnel operating grip can be inserted described operation axis hole 1242 and operate.Ensure that operating personnel only just can operate when described switch cubicle end of incoming cables is not charged, operating personnel are played a very good protection.
Two, described ground connection operation axis hole baffle plate 130 is provided with the groove matched with the termination of described locking bar 145, makes the termination of locking bar 145 be contained in described groove, under making lockup state, abuts more stable, not fragile described locking bar 145 when operating personnel operate by force.
Three, described dynamic iron core 144 is connected for lenticular with described locking bar 145, and structure is simple, and locking effect is good.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a ground switch interlocking device, is characterized in that, comprises ground connection hanging locking device, operating mechanism, ground connection operation axis hole baffle plate and electromagnetic lock, wherein,
The base plate that described ground connection hanging locking device comprises the chain valve of ground connection, arrange with described ground connection chain valve relative spacing and the padlock that chain for described ground connection valve is connected with described base plate;
Described operating mechanism comprises bearing pin and ground connection operating axis, and described ground connection operating axis comprises the operation axis hole being located at its one end;
Described ground connection operation axis hole baffle plate comprises the rectangular limiting through hole be equipped with described bearing pin, described bearing pin is located at described limiting through hole, and described ground connection operation axis hole baffle plate can move along the length direction of described limiting through hole relative to described operating mechanism, described ground connection operation axis hole baffle plate is fixedly connected with described base plate and operates axis hole described in partial occlusion;
Described electromagnetic lock comprises locking bar, and in a latched condition, the locking bar of described electromagnetic lock abuts described ground connection operation axis hole baffle plate.
2. ground switch interlocking device according to claim 1, is characterized in that, described ground connection operation axis hole baffle plate also comprises groove, and the termination of described locking bar is contained in described groove.
3. ground switch interlocking device according to claim 1, is characterized in that, described electromagnetic lock also comprises blocking coil and is located at the dynamic iron core in the middle part of described blocking coil, and described dynamic iron core and described locking bar are lenticular connection.
4. ground switch interlocking device according to claim 1, is characterized in that, described electromagnetic lock also comprises indicator light.
5. ground switch interlocking device according to claim 3, is characterized in that, also comprise the electrification display of display external power source, described electrification display is electrically connected with described electromagnetic lock.
6. ground switch interlocking device according to claim 5, it is characterized in that, described electrification display comprises power-off node and energising node, when described external power source is "on" position, described blocking coil access power-off node, when described external power source is off-position, described blocking coil access energising node.
7. a switch cubicle, is characterized in that, described switch cubicle comprises switchgear, and described switchgear comprises ground switch interlocking device, and described ground switch interlocking device comprises ground connection hanging locking device, operating mechanism, ground connection operation axis hole baffle plate and electromagnetic lock, wherein,
The base plate that described ground connection hanging locking device comprises the chain valve of ground connection, arrange with described ground connection chain valve relative spacing and the padlock that chain for described ground connection valve is connected with described base plate;
Described operating mechanism comprises bearing pin and ground connection operating axis, and described ground connection operating axis comprises the operation axis hole being located at its one end;
Described ground connection operation axis hole baffle plate comprises the rectangular limiting through hole be equipped with described bearing pin, described bearing pin is located at described limiting through hole, and described ground connection operation axis hole baffle plate can move along the length direction of described limiting through hole relative to described operating mechanism, described ground connection operation axis hole baffle plate is fixedly connected with described base plate and operates axis hole described in partial occlusion;
Described electromagnetic lock comprises locking bar, and in a latched condition, the locking bar of described electromagnetic lock abuts described ground connection operation axis hole baffle plate.
8. switch cubicle according to claim 7, is characterized in that, described switchgear is on-load switch or isolating switch.
9. switch cubicle according to claim 7, is characterized in that, described ground switch interlocking device also comprises electrification display, and described electrification display is electrically connected with described electromagnetic lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520940282.3U CN205230875U (en) | 2015-11-23 | 2015-11-23 | Earthing switch interlock and adopt this earthing switch interlock's cubical switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520940282.3U CN205230875U (en) | 2015-11-23 | 2015-11-23 | Earthing switch interlock and adopt this earthing switch interlock's cubical switchboard |
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| Publication Number | Publication Date |
|---|---|
| CN205230875U true CN205230875U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520940282.3U Expired - Fee Related CN205230875U (en) | 2015-11-23 | 2015-11-23 | Earthing switch interlock and adopt this earthing switch interlock's cubical switchboard |
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| CN (1) | CN205230875U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099655A (en) * | 2016-08-05 | 2016-11-09 | 河南平高通用电气有限公司 | A kind of switch cubicle and handle hole preventer thereof |
| CN108074763A (en) * | 2017-12-19 | 2018-05-25 | 浙江时通电气制造有限公司 | A kind of electromagnetic lock and padlock double insurance interlock and application method |
| CN108320983A (en) * | 2018-02-08 | 2018-07-24 | 南京乾鑫电器设备有限公司 | Electronic type ring main unit earthing switch multiple protector and control method |
| CN108831780A (en) * | 2018-08-31 | 2018-11-16 | 广东绿网新能源科技有限公司 | Twin-shaft machinery interlock and its interlocking method |
| CN109473308A (en) * | 2018-06-27 | 2019-03-15 | 浙江时通电气制造有限公司 | A kind of ring network cabinet faulty action preventing blocking device |
-
2015
- 2015-11-23 CN CN201520940282.3U patent/CN205230875U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099655A (en) * | 2016-08-05 | 2016-11-09 | 河南平高通用电气有限公司 | A kind of switch cubicle and handle hole preventer thereof |
| CN108074763A (en) * | 2017-12-19 | 2018-05-25 | 浙江时通电气制造有限公司 | A kind of electromagnetic lock and padlock double insurance interlock and application method |
| CN108320983A (en) * | 2018-02-08 | 2018-07-24 | 南京乾鑫电器设备有限公司 | Electronic type ring main unit earthing switch multiple protector and control method |
| CN108320983B (en) * | 2018-02-08 | 2024-02-09 | 南京乾鑫电器设备有限公司 | Electronic ring main unit grounding switch multiple protection device and control method |
| CN109473308A (en) * | 2018-06-27 | 2019-03-15 | 浙江时通电气制造有限公司 | A kind of ring network cabinet faulty action preventing blocking device |
| CN108831780A (en) * | 2018-08-31 | 2018-11-16 | 广东绿网新能源科技有限公司 | Twin-shaft machinery interlock and its interlocking method |
| CN108831780B (en) * | 2018-08-31 | 2024-02-23 | 广东绿网新能源科技有限公司 | Double-shaft mechanical interlocking device and interlocking method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191123 |