CN206323011U - Protective cover is touched in anti-relay-protection pressing plate malfunction by mistake - Google Patents
Protective cover is touched in anti-relay-protection pressing plate malfunction by mistake Download PDFInfo
- Publication number
- CN206323011U CN206323011U CN201621262221.7U CN201621262221U CN206323011U CN 206323011 U CN206323011 U CN 206323011U CN 201621262221 U CN201621262221 U CN 201621262221U CN 206323011 U CN206323011 U CN 206323011U
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- Prior art keywords
- relay
- pressing plate
- protection
- protective cover
- framework
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- 238000003825 pressing Methods 0.000 title claims abstract description 107
- 230000001681 protective effect Effects 0.000 title claims abstract description 87
- 230000007257 malfunction Effects 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 17
- 238000005520 cutting process Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
Protective cover is touched by mistake the utility model discloses anti-relay-protection pressing plate malfunction; including relay-set, relay protection terminal, relay-protection pressing plate and protective cover; the relay protection terminal is arranged on mechanical and electrical protection screen; the relay-protection pressing plate can be arranged on relay protection terminal; the protective cover covers relay protection terminal, and protective cover is fixed on relay-set.Protective cover is covered after relay protection terminal, and when personnel are in maintenance, debugging power system relay protection device, can only touch protective cover can not directly touch relay-protection pressing plate.Therefore the setting of protective cover avoids commissioning staff, operation maintenance personnel in debugging, examination, and miscarry causes the situation for cutting run switch by mistake to produce into loops such as connection cutting section, small power supplies.
Description
Technical field
The utility model is related to a kind of Machine guarding, and in particular to protective cover is touched in anti-relay-protection pressing plate malfunction by mistake.
Background technology
Relay-protection pressing plate is also named protection in flakes, is the bridge and tie of protection device contact external wiring, is related to guarantor
Can the function of shield and action outlet normally play a role.The safe operation of relay protection system is the most important peace of power system
All risk insurance hinders, and the safe operation of relevant device is even more important in relay protection system.Because the spy of the equipment such as protective relaying device
Different property, in trip(ping) circuit, relay-protection pressing plate is to ensure that the important leverage means of relay protection system safe operation.The relay
Protection pressing plate is the cut-off point of a macroscopic, is easy to operations staff to judge the trip circuit of protective relaying device, if can
The breaking coil of coupling cock, provides great convenience, but also makes in the protection system of transformer station, increase for maintenance, operation
One can not complete closed loop cut-off point.Because of the particularity of relay protection trip pressing plate, when under normal condition, both sides can not be same
When it is powered.And the throwing of pressing plate is moved back by manually operating, therefore in actual motion, thrown because of pressing plate and move back improper, cause the protection system can not
The phenomenon of correct behavior happens occasionally.In power system relay protection device maintenance, debugging process, due to commissioning staff, fortune
Dimension personnel are in debugging, examination, and miscarry causes to cut run switch by mistake into loops such as connection cutting section, small power supplies；Or due to pressing plate
Unlocked firm, personnel's crash protection panel causes pressing plate miscarrying to cut；Or when being overhauled with the protection device in screen, personnel grasp by mistake
Make the pressing plate of equipment out of service, cause situations such as equipment unprotect is run all will cause relay protection three cause delay thus generation.
In order to by mistake relay-protection pressing plate is touched and the generation of the situation of malfunction during reducing relay protection device maintenance, it is ensured that relay protection is set
Safety during standby maintenance, therefore safeguard procedures need to be taken to improve the safety of relay protection maintenance.
Utility model content
Technical problem to be solved in the utility model is during relay protection device is overhauled, how to avoid relay protection
Pressing plate is touched the situation generation with malfunction by mistake.Therefore the utility model purpose be provide anti-relay-protection pressing plate malfunction touch by mistake it is anti-
Shield, is solved during relay protection device is overhauled, and how to avoid relay-protection pressing plate from being touched by mistake and the situation generation of malfunction
Problem.
The utility model is achieved through the following technical solutions：
Protective cover, including relay-set, relay protection terminal, relay protection pressure are touched in anti-relay-protection pressing plate malfunction by mistake
Plate, base and protective cover, the relay-protection pressing plate can be arranged on relay protection terminal, and the relay protection terminal is arranged on
On base, and floor installation is on relay-set.The protective cover covers relay protection terminal, and protective cover is fixed on relay
On protection screen.On existing relay-set, intensive is dispersed with dozens or even hundreds of relay-protection pressing plate, and original
Base wad relay-protection pressing plate is directly exposed on relay-set.When a relay-protection pressing plate is operated, it is easy to by mistake
Meet the relay-protection pressing plate around the relay-protection pressing plate, cause relay-protection pressing plate to be touched the situation generation with malfunction by mistake.
Protective cover is covered after relay protection terminal, when personnel are in maintenance, debugging power system relay protection device, can only touch guarantor
Shield can not directly touch relay-protection pressing plate.Therefore protective cover setting avoid commissioning staff, operation maintenance personnel debugging,
During examination, miscarry causes the situation for cutting run switch by mistake to produce into loops such as connection cutting section, small power supplies.Also, relay-set
On space it is limited, be densely dispersed with thereon tens up to a hundred relay protection terminals and protection pressing plate, so the chi of protective cover
It is very little to be advisable with just covering relay terminal, therefore the size of protective cover is unsuitable excessive.
Further, the protective cover includes being provided with opening, frame at the top and bottom of top cover and framework, the framework
The opening of body bottom covers relay protection terminal and is connected with relay-set；The top cover and the end face of the opening at the top of framework
It is hinged, and top cover can be rotated around the axis of hinged place, top cover is covered or open the opening at the top of framework.At the top of framework
Open end and that side of articulated section is provided with magnet, meanwhile, be in contact on top cover with the opening at the top of framework
Face on be provided with magnet, when top cover can cover the opening at the top of framework, magnet is adsorbed each other.Put into or move back when needing
When going out relay-protection pressing plate, top cover is opened, relay-protection pressing plate is then rotated, opened without whole protective cover is risen, it is to avoid
Rise and also need to look for the situation for shelving protective cover place to occur when opening whole protective cover, reduce maintenance overhaul have protective cover after
The time required to electric protection pressing plate, it is very easy to maintainer and protection pressing plate is operated.Meanwhile, can also be according to actual need
Ask, magnet adsorption is replaced by VELCRO absorption, i.e., the open end at the top of framework and that side setting away from articulated section
There are velcro generatrix, meanwhile, magic notice face is provided with the face being in contact on top cover with the opening at the top of framework, works as top cover
When can cover the opening at the top of framework, velcro generatrix are viscous to stick magic notice face.
Further, through hole is provided with the opposite face of framework, when relay-protection pressing plate is protected around positioned at a pair of relays
When protecting the axis rotation between terminal, the end of relay-protection pressing plate can be stretched out from through hole.Space on relay-set
Limited, so the size of protective cover is advisable with just covering relay terminal, therefore the size of protective cover is unsuitable excessive.And have after
Relay-protection pressing plate in electrical protective device be not the axis using a relay protection terminal as pivot, but one
Rotation relay-protection pressing plate is supported to setting a support shaft between relay protection terminal, and relay is rotated by support shaft
When protecting pressing plate, if setting through hole not on the opposite face of framework, then relay-protection pressing plate is around support shaft rotation
When turning, because the size of protective cover is limited, the side wall of protective cover blocks the end of relay-protection pressing plate, and pressing plate can not continue rotation
Turn, then relay-protection pressing plate can not be exited completely, be unfavorable for relay-protection pressing plate and carry out normal work.Therefore the setting of through hole is not
Only be easy to the work of the relay-protection pressing plate of axis rotation around relay terminal, be also convenient for around a pair of relay protection terminals it
Between center line, i.e., support shaft rotation relay-protection pressing plate work, so as to expand the scope of application of protective cover, make protective cover
It is not limited to a kind of use of protective relaying device.This not only enables framework be arranged on the limited relay-set in space, together
When, moreover it is possible to adapt to the relay-protection pressing plate of different rotary mode.
Further, handle is provided with the remote open-topped face of framework on top cover, and handle is L-type.Handle
The opening and closing that setting makes top cover more facilitate.
Further, the top cover and handle are preferably acrylic material.Acrylic material chemical name is poly- methyl-prop
E pioic acid methyl ester, is a kind of exploitation important plastic macromolecule material earlier, with the preferable transparency, chemical stability and resistance to
Hou Xing, easy dyeing, easy processing, attractive appearance.Top cover and handle are set to transparent, are easy to commissioning staff, operation maintenance personnel not
Opening top cover just can observe directly whether relay-protection pressing plate is put into circuit.
Further, the cross sectional dimensions of the framework and the cross sectional dimensions of base match, so that framework is set in
It can be fixed after on base by base, i.e., framework can be blocked after being set on base by base.When needing to pick up protective cover, hold
Protective cover, then up lifts it, can be by when lifting power and being more than the frictional force that contact surface is produced between framework and base
Protective cover lifts.So, the installation of protective cover and pick up, it is simple and convenient so as to avoiding using bolt or magnet adsorption etc.
Framework is fixed on relay-set by part, has not only saved installation cost, also simplify installation method, easily facilitates inspection
Repair personnel's repair apparatus.
The utility model compared with prior art, has the following advantages and advantages：
1st, protective cover is touched in the anti-relay-protection pressing plate malfunction of the utility model by mistake, the protective cover of setting be avoided that commissioning staff,
Operation maintenance personnel is in debugging, examination, and miscarry causes the situation for cutting run switch by mistake to produce into loops such as connection cutting section, small power supplies；
2nd, protective cover is touched in the anti-relay-protection pressing plate malfunction of the utility model by mistake, being hinged for top cover and framework, is easy to when needs
When putting into or exiting relay-protection pressing plate, top cover is opened, relay-protection pressing plate is then rotated, without whole protective cover is risen
Open, it is to avoid rise and also need to look for the situation for shelving protective cover place to occur when opening whole protective cover, to reduce maintenance overhaul have guarantor
The time required to the relay-protection pressing plate of shield；
3rd, protective cover is touched in the anti-relay-protection pressing plate malfunction of the utility model by mistake, and the setting of through hole is easy to protect around a pair of relays
The work of the relay-protection pressing plate of the center line protected between terminal, i.e. support shaft rotation, expands the scope of application of protective cover, makes guarantor
Shield is not limited to a kind of use of protective relaying device；
4th, protective cover is touched in the anti-relay-protection pressing plate malfunction of the utility model by mistake, top cover and handle are set to it is transparent, just
It can observe directly whether relay-protection pressing plate is put into circuit without opening top cover in commissioning staff, operation maintenance personnel；
5th, protective cover is touched in the anti-relay-protection pressing plate malfunction of the utility model by mistake, by by the cross sectional dimensions and base of framework
Cross sectional dimensions match so that framework can be fixed after being set on base by base, bolt or magnetic are used so as to avoid
Framework is fixed on relay-set by the parts such as iron absorption, has not only been saved installation cost, also simplify installation method, more
Plus easy access personnel's repair apparatus.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structural representation；
Fig. 2 is protective cover structural representation；
Fig. 3 is that relay-protection pressing plate puts into schematic diagram；
Fig. 4 exits schematic diagram for relay-protection pressing plate；
Fig. 5 is the relay-protection pressing plate front view with support shaft；
Fig. 6 exits schematic diagram for the relay-protection pressing plate with support shaft；
Fig. 7 is the location diagram of relay-protection pressing plate and protective cover.
Mark and corresponding parts title in accompanying drawing：
1- electric protection screens, 2- relay protection terminals, 3- relay-protection pressing plates, 4- protective covers, 5- bases, 6- top covers, 7- frames
Body, 8- magnet, 9- through holes, 10- handles, 11- support shafts.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as limiting of the present utility model.
Embodiment one
As shown in figs 1 to 6, protective cover is touched in the anti-relay-protection pressing plate malfunction of the utility model by mistake, including relay-set 1,
Relay protection terminal 2, relay-protection pressing plate 3, base 5 and protective cover 4, the relay-protection pressing plate 3 can be arranged on relay protection
On terminal 2, the relay protection terminal 2 is arranged on base 5, and base 5 is arranged on relay-set 1.Protective cover 4 is covered
After relay protection terminal 2, when personnel are in maintenance, debugging power system relay protection device, can only touch protective cover 4 can not
Directly touch relay-protection pressing plate 3.Therefore the setting of protective cover 4 avoids commissioning staff, operation maintenance personnel in debugging, examination
When, miscarry causes the situation for cutting run switch by mistake to produce into loops such as connection cutting section, small power supplies.
Further, the protective cover 4 includes top cover 6 and framework 7, and the top and bottom of the framework 7 are provided with out
Mouthful, the opening of the bottom of framework 7 covers relay protection terminal 2 and is connected with relay-set 1；The top cover 6 and the top of framework 7
The end face of opening is hinged, and top cover 6 can be rotated around the axis of hinged place, top cover 6 is covered or open opening for the top of framework 7
Mouthful.That side of open end and remote articulated section at the top of framework 7 is provided with magnet 8, meanwhile, with framework 7 on top cover 6
Magnet 8 is provided with the face that the opening at top is in contact, when top cover 6 can cover the opening at the top of framework 7, magnet 8 is each other
Adsorb.When needing to put into or exit relay-protection pressing plate 3, top cover 6 is opened, relay-protection pressing plate 3 is then rotated.
Further, through hole 9 is provided with the opposite face of framework 7, when relay-protection pressing plate 3 is around positioned at a pair of relays
When protecting the axis rotation between terminal 2, the end of relay-protection pressing plate 3 can be stretched out from through hole 9.On relay-set 1
Space it is limited, so the size of protective cover 4 is advisable with just covering relay terminal, therefore the size of protective cover 4 is unsuitable excessive.
And the relay-protection pressing plate 3 in some protective relaying devices be not using the axis of a relay protection terminal 2 as rotation in
The heart, but set a support shaft 11 between a pair of relay protection terminals 2 to support rotation relay-protection pressing plate 3, and pass through
Support shaft 11 is rotated during relay-protection pressing plate 3, if setting through hole 9 not on the opposite face of framework 7, then relay protection
Pressing plate 3 around the support shaft 11 when rotating, and because the size of protective cover 4 is limited, the side wall of protective cover 4 blocks relay protection pressure
The end of plate 3, pressing plate 3 can not continue rotation, then relay-protection pressing plate 3 can not be exited completely, be unfavorable for relay-protection pressing plate 3 and entered
Row normal work.Therefore the setting of through hole 9 is not only convenient for the work of the relay-protection pressing plate 3 of the axis rotation around relay terminal 2
Make, be also convenient for the work for the relay-protection pressing plate 3 that the center line between a pair of relay protection terminals 2, i.e. support shaft 11 rotate.
Further, handle 10 is provided with the remote open-topped face of framework 7 on top cover 6, and handle 10 is L-type.
The setting of handle 10 makes the opening and closing of top cover 6 more facilitate.
Further, the top cover 6 and handle 10 are preferably acrylic material.Acrylic material chemical name is poly- methyl
Methyl acrylate, is a kind of exploitation important plastic macromolecule material earlier, with the preferable transparency, chemical stability and
Weatherability, easy dyeing, easy processing, attractive appearance.Top cover 6 and handle 10 are set to transparent, are easy to commissioning staff, O＆M people
Member can observe directly whether relay-protection pressing plate 3 is put into circuit without opening top cover 6.
Further, the cross sectional dimensions of the cross sectional dimensions and base 5 of the framework 7 matches, so that framework 7 is arranged
It can be fixed after on base 5 by base 5, i.e., framework 7 can be blocked after being set on base 5 by base 5.
Embodiment two
The present embodiment is the operation instruction of the present utility model made on the basis of embodiment one.
Protective cover 4 is first covered into relay protection terminal 2, then protective cover 4 is fixed on relay-set 1 with bolt 5；
When needing that the relay-protection pressing plate 3 in protective cover 4 is put into or exits operation, top cover 6 is opened by handle 10, made
Magnet 8 can not be got together each other, then manually adjust relay-protection pressing plate 3.When being adjusted to relay-protection pressing plate 3, due to
Other relay protection terminals 2 are equally covered by other protective covers 4, therefore, and commissioning staff, operation maintenance personnel are not had and is being adjusted
When examination, examination, miscarry causes the situation for cutting run switch by mistake to produce into loops such as connection cutting section, small power supplies.Adjustment completes relay
Protect after pressing plate 3, top cover 6 is covered to the opening at the top of framework 7.
Embodiment three
The present embodiment is that on the basis of embodiment one, the relay-protection pressing plate 3 for needing to use through hole 9 is specifically grasped
Explain.
As shown in Figure 5 and Figure 6, a support shaft 11 is set to support rotation relay between a pair of relay protection terminals 2
Protect pressing plate 3.When relay-protection pressing plate 3, which is in, exits state, position relationship such as Fig. 7 of relay-protection pressing plate 3 and protective cover 4
It is shown.The two ends of relay-protection pressing plate 3 are due to retraction operation, and through hole 9 is stretched out or can also be located at its two ends from through hole 9
In.In the relay-set 1 that space is limited, protective case 4 is adapted to the various relay-protection pressing plates 3 for exiting action, expand
The scope of application of protective case 3, makes protective cover be not limited to a kind of use of protective relaying device.
Example IV
The present embodiment is that on the basis of embodiment one, the geomery of protective cover 4 is made an explanation.
Used for the ease of manufacture, protective cover 4 is rectangular shape, while its right angle is carried out into chamfering, makes right-angle side
Arc transition is at drift angle.The setting of circular arc, one is that in order to attractive in appearance, two be to avoid the article around sharp comer scratch or inspection
Repair the hand of personnel.The situation for being touched false touch by mistake in order to further reduce protection pressing plate occurs, and protective cover 4 painted into red, and
" quiescing " printed words are set on top cover 6, with remind Field Force must not touch by mistake, the malfunction pressing plate.
Above-described embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, is equally replaced
Change, improve, should be included within protection domain of the present utility model.
Claims (9)
1. protective cover, including relay-set (1), relay protection terminal (2), relay protection are touched in anti-relay-protection pressing plate malfunction by mistake
Pressing plate (3) and base (5), the relay-protection pressing plate (3) can be arranged on relay protection terminal (2), the relay protection end
Sub (2) are arranged on base (5), and base (5) is arranged on relay-set (1), it is characterised in that：Also include protective cover
(4), the protective cover (4) covers relay protection terminal (2), and protective cover (4) is fixed on relay-set (1).
2. protective cover is touched in anti-relay-protection pressing plate malfunction according to claim 1 by mistake, it is characterised in that：The protective cover
(4) include being provided with opening, the opening of framework (7) bottom at the top and bottom of top cover (6) and framework (7), the framework (7)
Cover relay protection terminal (2) and be connected with relay-set (1)；The top cover (6) and the end face of the opening at the top of framework (7)
It is hinged, and top cover (6) can be rotated around the axis of hinged place, top cover (6) is covered the opening at the top of framework (7).
3. protective cover is touched in anti-relay-protection pressing plate malfunction according to claim 2 by mistake, it is characterised in that：On framework (7) top
The open end in portion and that side of articulated section is provided with magnet (8), meanwhile, on top cover (6) with the top of framework (7)
Be open on the face that is in contact and be provided with magnet (8), when top cover (6) can cover the opening at the top of framework (7), magnet (8) that
This is adsorbed.
4. protective cover is touched in anti-relay-protection pressing plate malfunction according to claim 2 by mistake, it is characterised in that：In framework (7)
Through hole (9) is provided with opposite face, when relay-protection pressing plate (3) is around the axis between a pair of relay protection terminals (2)
When line rotates, the end of relay-protection pressing plate (3) can be stretched out from through hole (9).
5. protective cover is touched in anti-relay-protection pressing plate malfunction according to claim 2 by mistake, it is characterised in that：The top cover (6)
For acrylic material.
6. protective cover is touched in anti-relay-protection pressing plate malfunction according to claim 2 by mistake, it is characterised in that：The framework (7)
The cross sectional dimensions of cross sectional dimensions and base (5) match, framework (7) can be solid by base (5) after being set on base (5)
It is fixed.
7. protective cover is touched in the anti-relay-protection pressing plate malfunction according to any one of claim 2-6 by mistake, it is characterised in that：
On top cover (6) handle (10) is provided with remote framework (7) open-topped face.
8. protective cover is touched in anti-relay-protection pressing plate malfunction according to claim 7 by mistake, it is characterised in that：The handle (10)
For L-type.
9. protective cover is touched in anti-relay-protection pressing plate malfunction according to claim 7 by mistake, it is characterised in that：The handle (10)
For acrylic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262221.7U CN206323011U (en) | 2016-11-21 | 2016-11-21 | Protective cover is touched in anti-relay-protection pressing plate malfunction by mistake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262221.7U CN206323011U (en) | 2016-11-21 | 2016-11-21 | Protective cover is touched in anti-relay-protection pressing plate malfunction by mistake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206323011U true CN206323011U (en) | 2017-07-11 |
Family
ID=59265101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621262221.7U Active CN206323011U (en) | 2016-11-21 | 2016-11-21 | Protective cover is touched in anti-relay-protection pressing plate malfunction by mistake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206323011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470994A (en) * | 2018-04-28 | 2018-08-31 | 广东电网有限责任公司 | A kind of discrete pressing plate for sealing set |
| CN112688096A (en) * | 2020-12-29 | 2021-04-20 | 江苏核电有限公司 | Relay protection tripping circuit terminating device for nuclear power station |
-
2016
- 2016-11-21 CN CN201621262221.7U patent/CN206323011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470994A (en) * | 2018-04-28 | 2018-08-31 | 广东电网有限责任公司 | A kind of discrete pressing plate for sealing set |
| CN112688096A (en) * | 2020-12-29 | 2021-04-20 | 江苏核电有限公司 | Relay protection tripping circuit terminating device for nuclear power station |
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