CN107845542A - A kind of easy-to-mount relay module - Google Patents
A kind of easy-to-mount relay module Download PDFInfo
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- CN107845542A CN107845542A CN201711177945.0A CN201711177945A CN107845542A CN 107845542 A CN107845542 A CN 107845542A CN 201711177945 A CN201711177945 A CN 201711177945A CN 107845542 A CN107845542 A CN 107845542A
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- relay module
- neck
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- interior
- groove
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
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- Electromagnetism (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of easy-to-mount relay module, including relay module body, the lower section of the relay module body is provided with mounting seat, mounting groove is offered at the top of mounting seat, fixed seat is provided with mounting groove, and fixed seat is in contact with side inwall of the mounting groove away from relay module body, fixed seat is provided with the transmission module of fixed relay module body, transmission module includes being opened in the chute at the top of fixed seat, two sliding blocks are symmetrically slidably fitted with chute, and extended at the top of sliding block outside chute, connecting rod is rotatablely equipped with the top of sliding block, the bottom of relay module body is installed with support block.It is of the invention to be coordinated by transmission module and locking module, relay module body can be quickly and easily dismounted, so as to provide the efficiency for conveniently, improving staff's repair and maintenance for staff's repair and maintenance or replacing relay module body.
Description
Technical field
The present invention relates to relay technical field, more particularly to a kind of easy-to-mount relay module.
Background technology
, it is necessary to control the automatic of larger current to open when different voltage conversions control or with smaller current in existing control system
When closing control, such switch control is typically all completed using relay, the load that control signal is more, needs control compared with
When more, relay installation and debugging just occur and circuit arrangement is wasted time and energy, space-consuming is big, repairs the problems such as trouble, and
Each relay will be selected according to environmental condition, load capacity etc. when specifically used, needs to provide after selection corresponding
Relay working voltage.
A kind of relay module utility model patent of Patent No. 201220564368.7 discloses a kind of relay mould
Group, it includes PLC, circuit board, several relays, connector, terminal block, and relay, connector and terminal block are arranged on electricity
On the plate of road, several relays are divided into multiple relay groups, and each relay group connects a relay working power, each
Coil one end of each relay connects PLC, other end connection relay work by circuit board with connector in relay group
One electrode of power supply, it can extend the service life of relay contact, but in actual use, it is not easy to staff
Dismounting, so as to be made troubles to follow-up repair and maintenance or replacing.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of easy-to-mount relay proposed
Device module.
To achieve these goals, present invention employs following technical scheme：
A kind of easy-to-mount relay module, including relay module body, the lower section of the relay module body are provided with
Mounting seat, mounting groove is offered at the top of mounting seat, fixed seat is provided with mounting groove, and fixed seat and mounting groove are away from relay
The side inwall of module body is in contact, and fixed seat is provided with the transmission module of fixed relay module body, transmission module bag
The chute being opened at the top of fixed seat is included, is symmetrically slidably fitted with two sliding blocks in chute, and cunning is extended at the top of sliding block
Outside groove, connecting rod is rotatablely equipped with the top of sliding block, the bottom of relay module body is installed with support block, two connecting rods point
One end not away from two sliding blocks is rotatably installed in support block, and the side that two sliding blocks are located remotely from each other is installed with card
Bar, and one end that two kellies are located remotely from each other is all extended to outside fixed seat, and first is symmetrically offered on the both sides inwall of mounting groove
Neck, one end that two kellies are located remotely from each other are slidably mounted in two the first necks respectively, and fixing card is provided with the first neck
The locking module of bar.
Preferably, slide bar is installed with the chute, the both ends of slide bar are respectively and fixedly installed in the both sides of chute
On wall, two sliding blocks are slidably located in the both ends of slide bar respectively, and two sliding blocks side close to each other is installed with slip
The fixture block being set on slide bar, the first spring is arranged with slide bar, and the both ends of the first spring are respectively welded on two fixture blocks.
Preferably, the first square groove that side is opening is offered at the top of the sliding block, link rotatable is arranged on first party
In groove, and one end of connecting rod is extended to outside the first square groove.
Preferably, the both sides of the support block symmetrically offer the second square groove that bottom side is opening, and two connecting rod difference are remote
One end from two sliding blocks is rotatably installed in two the second square grooves.
Preferably, the both sides of the chute symmetrically offer first through hole, and kelly is slidably mounted in first through hole, and block
The both ends of bar are all extended to outside first through hole.
Preferably, the top corner location of the mounting seat offers locating slot, and positioning is slidably fitted with locating slot
Bar, the top of locating rod are extended to outside locating slot, and the top of four locating rods is fixedly mounted on relay module body.
Preferably, two bolts, and two are arranged with side inwall of the mounting groove away from relay module body
The bottom of individual bolt is all extended to outside mounting seat.
Preferably, the locking module includes the groove being opened on the first neck bottom side inwall, is slidably installed in groove
There is card column, and the top of card column is extended in the first neck, groove is welded with second spring on the side inwall away from kelly, and
It is welded and fixed between second spring and card column, one end that kelly is located in the first neck offers the wedge-shaped slot that side is opening,
The second neck is offered on the top side inwall of wedge-shaped slot, one end that card column is located in the first neck is run through wedge-shaped slot and is slidably installed
In the second neck.
Preferably, one end that the card column is located in the second neck is rotatablely equipped with ball, and ball is mutually fitted with wedge-shaped slot
Match somebody with somebody.
Preferably, the second through hole is offered on the side inwall that two grooves are located remotely from each other, peace is slided in the second through hole
Equipped with push rod, and push rod both ends are all extended to outside the second through hole, and one end that push rod is located in groove is fixedly mounted in card column.
Compared with prior art, the beneficial effects of the invention are as follows：
In the present invention, pass through relay module body, mounting seat, mounting groove, fixed seat, chute, sliding block, connecting rod, support block, card
Bar, the first neck, slide bar, fixture block, the first spring, locating slot, locating rod, first through hole, groove, card column, second spring, wedge shape
Groove, the second neck, push rod, the second through hole construct a kind of easy-to-mount relay module jointly, by fixed seat, chute,
Sliding block, connecting rod, support block, kelly, the first neck, slide bar, fixture block, the first spring, locating slot, locating rod, first through hole are formed
The transmission module of fixed relay module body, pass through groove, card column, second spring, wedge-shaped slot, the second neck, push rod, second
Through hole forms the locking module of fixed kelly, and the present invention is coordinated by transmission module and locking module, can quickly and easily torn open
Relay module body is filled, so as to be provided conveniently for staff's repair and maintenance or replacing relay module body, improves work
Make the efficiency of personnel's repair and maintenance.
Brief description of the drawings
Fig. 1 is a kind of cross section structure diagram of easy-to-mount relay module side view proposed by the present invention；
Fig. 2 is the cross section structure diagram of part A in a kind of easy-to-mount relay module proposed by the present invention；
Fig. 3 is the cross section structure diagram of A1 parts in a kind of easy-to-mount relay module proposed by the present invention；
Fig. 4 is the cross section structure diagram of A2 parts in a kind of easy-to-mount relay module proposed by the present invention；
Fig. 5 is the structural representation that a kind of easy-to-mount relay module proposed by the present invention is faced.
In figure：1 relay module body, 2 mounting seats, 3 mounting grooves, 4 fixed seats, 5 chutes, 6 sliding blocks, 7 connecting rods, 8 supports
Block, 9 kellies, 10 first necks, 11 slide bars, 12 fixture blocks, 13 first springs, 14 locating slots, 15 locating rods, 16 first through hole, 17
Groove, 18 card columns, 19 second springs, 20 wedge-shaped slots, 21 second necks, 22 push rods, 23 second through holes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-5, a kind of easy-to-mount relay module, including relay module body 1, relay module body
1 lower section is provided with mounting seat 2, and the top of mounting seat 2 offers mounting groove 3, fixed seat 4, and fixed seat 4 are provided with mounting groove 3
It is in contact with side inwall of the mounting groove 3 away from relay module body 1, fixed seat 4 is provided with fixed relay module body 1
Transmission module, transmission module includes the chute 5 being opened on the top of fixed seat 4, two cunnings is symmetrically slidably fitted with chute 5
Block 6, and the top of sliding block 6 is extended to outside chute 5, the top of sliding block 6 is rotatablely equipped with connecting rod 7, the bottom of relay module body 1
Portion is installed with support block 8, and one end that two connecting rods 7 are respectively further from two sliding blocks 6 is rotatably installed in support block 8, and two
The side that individual sliding block 6 is located remotely from each other is installed with kelly 9, and one end that two kellies 9 are located remotely from each other all extends to fixation
Outside seat 4, the first neck 10 is symmetrically offered on the both sides inwall of mounting groove 3, one end that two kellies 9 are located remotely from each other is slided respectively
In two the first necks 10, the locking module of fixed kelly 9 is provided with the first neck 10, the present invention passes through transmission module
Coordinate with locking module, can quickly and easily dismount relay module body 1, so as to be staff's repair and maintenance or replacing
It is convenient that relay module body 1 provides, and improves the efficiency of staff's repair and maintenance.
Slide bar 11 is installed with chute 5, the both ends of slide bar 11 are respectively and fixedly installed on the both sides inwall of chute 5,
Two sliding blocks 6 are slidably located in the both ends of slide bar 11 respectively, and two sides close to each other of sliding block 6 are installed with slip cap
The fixture block 12 being located on slide bar 11, the first spring 13 is arranged with slide bar 11, and the both ends of the first spring 13 are respectively welded at two
On individual fixture block 12, the top of sliding block 6 offers the first square groove that side is opening, and connecting rod 7 is rotatably installed in the first square groove, and
One end of connecting rod 7 is extended to outside the first square groove, and the both sides of support block 8 symmetrically offer the second square groove that bottom side is opening, two
One end that connecting rod 7 is respectively further from two sliding blocks 6 is rotatably installed in two the second square grooves, and the both sides of chute 5 symmetrically offer
One through hole 16, kelly 9 are slidably mounted in first through hole 16, and the both ends of kelly 9 are all extended to outside first through hole 16, mounting seat
2 top corner location offers locating slot 14, and locating rod 15 is slidably fitted with locating slot 14, and the top of locating rod 15 is prolonged
Extend outside locating slot 14, and the top of four locating rods 15 is fixedly mounted on relay module body 1, mounting groove 3 is remote
Two bolts are arranged with the side inwall of relay module body 1, and the bottom of two bolts all extends to mounting seat 2
Outside, when needing relay module body 1 being fixedly mounted in mounting seat 2, locating rod 15 only need to be directed to locating slot 14, will
Locating rod 15 is sticked into locating slot 14, and now fixed seat 4 will be sticked into mounting groove 3, then by relay module body 1 to installation
The pressing of 2 sides of seat, relay module body 1 will promote support block 8 to be moved to the side of mounting seat 2, and support block 8 passes through connecting rod 7 again
Sliding block 6 is promoted, makes two sliding blocks 6 to the Slideslip being located remotely from each other, so as to promote kelly 9 to stick into the first neck 10, herein
During, two fixture blocks 12 will move with two sliding blocks 6 to the side being located remotely from each other, and so as to stretch the first spring 13, make first
Spring 13 produces bounce.
Locking module includes the groove 17 being opened on the bottom side inwall of the first neck 10, and card column is slidably fitted with groove 17
18, and the top of card column 18 is extended in the first neck 10, groove 17 is welded with second spring on the side inwall away from kelly 9
19, and be welded and fixed between second spring 19 and card column 18, one end that kelly 9 is located in the first neck 10 offers side to open
Mouthful wedge-shaped slot 20, offer the second neck 21 on the top side inwall of wedge-shaped slot 20, card column 18 is located at one in the first neck 10
End is through wedge-shaped slot 20 and is slidably mounted in the second neck 21, and one end that card column 18 is located in the second neck 21 is rotatablely equipped with
Ball, and ball is adapted with wedge-shaped slot 20, and the second through hole 23 is offered on the side inwall that two grooves 17 are located remotely from each other,
Push rod 22 is slidably fitted with second through hole 23, and the both ends of push rod 22 are all extended to outside the second through hole 23, push rod 22 is located at groove
One end in 17 is fixedly mounted in card column 18, and when kelly 9 slides into the first neck 10, card column 18 will stick into wedge-shaped slot 20
Interior, the ball in card column 18 will roll in wedge-shaped slot 20, so as to promote card column 18 to be slided into groove 17, so as to compress second
Spring 19, second spring 19 is set to produce bounce, when groove 17 is concordant with the second neck 21, in the bounce of second spring 19
Under effect, card column 18 will be sticked into the second neck 21, so as to which kelly 9 is fixed in the first neck 10, relay module body 1
The top of mounting seat 2 will be fixed on.
In the present invention, the model HYW-04RA1P of relay module body 1, in actual use, it is necessary to pass through bolt
Mounting seat 2 is fixedly mounted in electric box, when needing relay module body 1 being fixedly mounted in mounting seat 2, only needed
Locating rod 15 is directed at locating slot 14, locating rod 15 is sticked into locating slot 14, now fixed seat 4 will be sticked into mounting groove 3, so
Relay module body 1 is pressed to the side of mounting seat 2 afterwards, relay module body 1 will promote support block 8 to mounting seat 2 one
Side is moved, and support block 8 promotes sliding block 6 by connecting rod 7 again, makes two sliding blocks 6 to the Slideslip being located remotely from each other, so as to push card
Bar 9 is sticked into the first neck 10, and in the process, two fixture blocks 12 will move with two sliding blocks 6 to the side being located remotely from each other, from
And the first spring 13 is stretched, the first spring 13 is produced bounce, when kelly 9 slides into the first neck 10, card column 18 will block
Entering in wedge-shaped slot 20, the ball in card column 18 will roll in wedge-shaped slot 20, so as to promote card column 18 to be slided into groove 17, from
And second spring 19 is compressed, second spring 19 is produced bounce, when groove 17 is concordant with the second neck 21, in second spring
Under 19 bounce effect, card column 18 will be sticked into the second neck 21, so as to which kelly 9 is fixed in the first neck 10, relay
Device module body 1 will be fixed on the top of mounting seat 2, when needing to dismantle relay module body 1, need to only push down on simultaneously
Dynamic push rod 22, push rod 22 drive card column 18 to remove the second neck 21, now under the bounce effect of the first spring 13, kelly 9
The first neck 10 will be removed rapidly, you can easily dismantle relay module body 1.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of easy-to-mount relay module, including relay module body（1）, it is characterised in that the relay mould
Group body（1）Lower section be provided with mounting seat（2）, mounting seat（2）Top offer mounting groove（3）, mounting groove（3）It is interior to be provided with admittedly
Reservation（4）, and fixed seat（4）With mounting groove（3）Away from relay module body（1）Side inwall be in contact, fixed seat（4）
It is provided with fixed relay module body（1）Transmission module, transmission module include be opened in fixed seat（4）Chute on top
（5）, chute（5）It is interior to be symmetrically slidably fitted with two sliding blocks（6）, and sliding block（6）Top extend to chute（5）Outside, sliding block（6）
Top be rotatablely equipped with connecting rod（7）, relay module body（1）Bottom be installed with support block（8）, two connecting rods
（7）It is respectively further from two sliding blocks（6）One end be rotatably installed in support block（8）On, two sliding blocks（6）The side being located remotely from each other
It is installed with kelly（9）, and two kellies（9）The one end being located remotely from each other all extends to fixed seat（4）Outside, mounting groove（3）
Both sides inwall on symmetrically offer the first neck（10）, two kellies（9）The one end being located remotely from each other is slidably mounted on two respectively
Individual first neck（10）It is interior, the first neck（10）It is interior to be provided with fixed kelly（9）Locking module.
A kind of 2. easy-to-mount relay module according to claim 1, it is characterised in that the chute（5）It is interior solid
Dingan County is equipped with slide bar（11）, slide bar（11）Both ends be respectively and fixedly installed to chute（5）Both sides inwall on, two sliding blocks（6）
Be slidably located in slide bar respectively（11）Both ends, two sliding blocks（6）Side close to each other, which is installed with, to be slidably located in
Slide bar（11）On fixture block（12）, slide bar（11）On be arranged with the first spring（13）, and the first spring（13）Both ends are respectively welded
In two fixture blocks（12）On.
A kind of 3. easy-to-mount relay module according to claim 1, it is characterised in that the sliding block（6）Top
Portion offers the first square groove that side is opening, connecting rod（7）It is rotatably installed in the first square groove, and connecting rod（7）One end extension
To outside the first square groove.
A kind of 4. easy-to-mount relay module according to claim 1, it is characterised in that the support block（8）'s
Both sides symmetrically offer the second square groove that bottom side is opening, two connecting rods（7）It is respectively further from two sliding blocks（6）One end rotate peace
In two the second square grooves.
A kind of 5. easy-to-mount relay module according to claim 1, it is characterised in that the chute（5）Two
Side symmetrically offers first through hole（16）, kelly（9）It is slidably mounted on first through hole（16）It is interior, and kelly（9）Both ends prolong
Extend first through hole（16）Outside.
A kind of 6. easy-to-mount relay module according to claim 1, it is characterised in that the mounting seat（2）'s
Top corner location offers locating slot（14）, locating slot（14）Inside it is slidably fitted with locating rod（15）, locating rod（15）'s
Top extends to locating slot（14）Outside, and four locating rods（15）Top be fixedly mounted on relay module body（1）On.
A kind of 7. easy-to-mount relay module according to claim 1, it is characterised in that the mounting groove（3）Far
Gas-discharge relay module body（1）Side inwall on be arranged with two bolts, and the bottom of two bolts all extends to installation
Seat（2）Outside.
8. a kind of easy-to-mount relay module according to claim 1, it is characterised in that the locking module includes
It is opened in the first neck（10）Groove on the inwall of bottom side（17）, groove（17）Inside it is slidably fitted with card column（18）, and card column
（18）Top extend to the first neck（10）It is interior, groove（17）Away from kelly（9）Side inwall on be welded with second spring
（19）, and second spring（19）With card column（18）Between be welded and fixed, kelly（9）Positioned at the first neck（10）Interior one end opens up
There is the wedge-shaped slot that side is opening（20）, wedge-shaped slot（20）Top side inwall on offer the second neck（21）, card column（18）Position
In the first neck（10）Wedge-shaped slot is run through in interior one end（20）And it is slidably mounted on the second neck（21）It is interior.
A kind of 9. easy-to-mount relay module according to claim 8, it is characterised in that the card column（18）It is located at
Second neck（21）Interior one end is rotatablely equipped with ball, and ball and wedge-shaped slot（20）It is adapted.
A kind of 10. easy-to-mount relay module according to claim 8, it is characterised in that two grooves（17）Phase
Mutually the second through hole is offered on remote side inwall（23）, the second through hole（23）Inside it is slidably fitted with push rod（22）, and push away
Bar（22）Both ends all extend to the second through hole（23）Outside, push rod（22）Positioned at groove（17）Interior one end is fixedly mounted on card column
（18）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177945.0A CN107845542B (en) | 2017-11-23 | 2017-11-23 | Relay module convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177945.0A CN107845542B (en) | 2017-11-23 | 2017-11-23 | Relay module convenient to dismouting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107845542A true CN107845542A (en) | 2018-03-27 |
| CN107845542B CN107845542B (en) | 2019-12-10 |
Family
ID=61680171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711177945.0A Expired - Fee Related CN107845542B (en) | 2017-11-23 | 2017-11-23 | Relay module convenient to dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107845542B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856506A (en) * | 2018-06-13 | 2018-11-23 | 柳州市钜诚科技有限公司 | A kind of mold fabricating tools convenient for oblique surface machining |
| CN108859707A (en) * | 2018-07-19 | 2018-11-23 | 芜湖市智行天下工业设计有限公司 | A kind of radiator structure of new-energy automobile |
| CN109100574A (en) * | 2018-10-15 | 2018-12-28 | 国网山东省电力公司烟台供电公司 | A kind of measurement of Grounding Resistance tool box special |
| CN110460348A (en) * | 2018-05-07 | 2019-11-15 | 南京正信通安通讯技术有限公司 | A kind of access card of diversification 4G-LTE private network |
| CN112165064A (en) * | 2020-10-14 | 2021-01-01 | 上海锶众机电科技有限公司 | Power transmission line protection device for electromechanical equipment |
| CN112259417A (en) * | 2020-10-28 | 2021-01-22 | 徐浩 | High-efficiency energy-saving relay |
| CN113246269A (en) * | 2021-04-15 | 2021-08-13 | 重庆工程职业技术学院 | Module for prefabricated bridge deck for highway bridge construction |
| CN114724890A (en) * | 2022-03-16 | 2022-07-08 | 国网安徽省电力有限公司电力科学研究院 | Electronic gas relay based on pressure sensor |
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| CN206516572U (en) * | 2017-01-12 | 2017-09-22 | 佛山市南海启力电子有限公司 | A kind of relay for being easily installed and dismantling |
| CN107230583A (en) * | 2017-07-28 | 2017-10-03 | 贵州鑫阳科技股份有限公司 | Easy-to-dismount relay |
| CN107322494A (en) * | 2017-09-05 | 2017-11-07 | 郑州嘉晨化工科技有限公司 | A kind of superhard material grinds fluted disc |
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| CN101114552A (en) * | 2006-07-25 | 2008-01-30 | 九川集团有限公司 | Clamp mounting type AC contactor(pedestal) |
| EP2919253A1 (en) * | 2014-03-11 | 2015-09-16 | Omron Corporation | Electromagnetic relay |
| CN206516572U (en) * | 2017-01-12 | 2017-09-22 | 佛山市南海启力电子有限公司 | A kind of relay for being easily installed and dismantling |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460348A (en) * | 2018-05-07 | 2019-11-15 | 南京正信通安通讯技术有限公司 | A kind of access card of diversification 4G-LTE private network |
| CN110460348B (en) * | 2018-05-07 | 2021-09-17 | 南京正信通安通讯技术有限公司 | Access card of diversified 4G-LTE private network |
| CN108856506A (en) * | 2018-06-13 | 2018-11-23 | 柳州市钜诚科技有限公司 | A kind of mold fabricating tools convenient for oblique surface machining |
| CN108859707A (en) * | 2018-07-19 | 2018-11-23 | 芜湖市智行天下工业设计有限公司 | A kind of radiator structure of new-energy automobile |
| CN109100574A (en) * | 2018-10-15 | 2018-12-28 | 国网山东省电力公司烟台供电公司 | A kind of measurement of Grounding Resistance tool box special |
| CN109100574B (en) * | 2018-10-15 | 2024-05-03 | 国网山东省电力公司烟台供电公司 | Special tool box for measuring grounding resistance |
| CN112165064A (en) * | 2020-10-14 | 2021-01-01 | 上海锶众机电科技有限公司 | Power transmission line protection device for electromechanical equipment |
| CN112259417A (en) * | 2020-10-28 | 2021-01-22 | 徐浩 | High-efficiency energy-saving relay |
| CN113246269A (en) * | 2021-04-15 | 2021-08-13 | 重庆工程职业技术学院 | Module for prefabricated bridge deck for highway bridge construction |
| CN114724890A (en) * | 2022-03-16 | 2022-07-08 | 国网安徽省电力有限公司电力科学研究院 | Electronic gas relay based on pressure sensor |
| CN114724890B (en) * | 2022-03-16 | 2023-09-12 | 国网安徽省电力有限公司电力科学研究院 | Electronic gas relay based on pressure sensor |
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|---|---|
| CN107845542B (en) | 2019-12-10 |
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Granted publication date: 20191210 Termination date: 20211123 |