CN208462239U - A kind of electric-power metering cabinet ventilation device - Google Patents
A kind of electric-power metering cabinet ventilation device Download PDFInfo
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- CN208462239U CN208462239U CN201820585756.0U CN201820585756U CN208462239U CN 208462239 U CN208462239 U CN 208462239U CN 201820585756 U CN201820585756 U CN 201820585756U CN 208462239 U CN208462239 U CN 208462239U
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Abstract
The utility model discloses a kind of electric-power metering cabinet ventilation devices, including cabinet body, blower tray is movably installed on the inner wall of the cabinet body two sides, the two sides of blower tray are fixedly connected to fixed block, elliptical aperture is offered in the horizontal direction on two fixed blocks, fixed link is movably installed in four second sliding slots, the both ends of fixed link all extend to outside elliptical aperture, are opened up in the horizontal direction on the inner wall of the cabinet body two sides there are two oval groove.The utility model structure is simple, drives the air circulation in electric-power metering cabinet by the setting of fan, and electric-power metering cabinet inner space is adjustable, the space in electric-power metering cabinet in energy can be allowed bigger, so that the ventilation of electric-power metering cabinet is more smooth.
Description
Technical field
The utility model relates to electric-power metering cabinet technical field more particularly to a kind of electric-power metering cabinet ventilation devices.
Background technique
Electric-power metering cabinet is a kind of how many equipment of measuring power, it is desirable that all insulation, use are safe: nonmetallic electric-power metering
Box enclosure material uses excellent insulating materials, insulation resistance with high performance and breakdown voltage, can prevent electric leakage accident,
It is able to maintain good dielectric properties in high frequency, do not reflect, block the propagation of microwave, non-corrosive can be used for a long time, and be suitble to application
In crowded or narrow place, electric shock phenomenon is avoided.Existing common electric-power metering cabinet on the market, high temperature resistant and low temperature resistant
Performance be not very well, in the case where too high or too low for temperature, the phenomenon that being easy to appear damage, it is therefore desirable to good logical
Wind apparatus help reduces temperature, proposes following utility model accordingly.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of electric-power metering cabinet proposed
Ventilation device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of electric-power metering cabinet ventilation device, including cabinet body are movably installed with fan branch on the inner wall of the cabinet body two sides
Frame, the two sides of blower tray are fixedly connected to fixed block, offer elliptical aperture on two fixed blocks in the horizontal direction, and four
Fixed link is movably installed in second sliding slot, the both ends of fixed link all extend to outside elliptical aperture, on the inner wall of the cabinet body two sides
Oval groove there are two opening up in the horizontal direction, the setting corresponding with four elliptical apertures respectively of four oval grooves, the one of fixed link
End extends in oval groove, and annular offers card slot on oval groove inner wall, and two fixture blocks, two fixture blocks are movably installed in card slot
Side close to each other is respectively and fixedly installed on the two sides of fixed link, the two sides inner wall of the cabinet body and two blower trays it
Between be rotatably equipped with fan, fan is fixedly installed with motor output shaft by shaft coupling, and two motors are separately fixed at two
On blower tray side close to each other, the top side of the cabinet body offers telescopic chute, telescopic chute two sides inner wall along the vertical direction
On offer first sliding groove, same first sliding block is movably installed in two first sliding grooves, the top side of the first sliding block is fixed
Support plate is installed, and the top of support plate extends to outside telescopic chute, is opened up in the horizontal direction on the inner wall of the telescopic chute side
There is location hole, positioning hole is movably installed with locating rod, and the both ends of locating rod all extend to outside location hole, and support plate is close to fixed
The side equidistant intervals in position hole offer multiple locating slots, and one end of locating rod extends in locating slot, two support plates
Top side be fixedly installed with fixed block, the top side of two fixed blocks is fixedly installed with the same top cover.
Preferably, annular offers second sliding slot on the elliptical aperture inner wall, and two are movably installed in second sliding slot
Two sliding blocks, two the second sliding block sides close to each other are respectively fixedly connected on the two sides of fixed link, and fixed link is socketed with
One spring, one end of the first spring are fixedly connected on the second sliding block, and the other end of the first spring is fixedly connected on second sliding slot
On inner wall far from oval groove side.
Preferably, annular offers third sliding slot on the location hole inner wall, and two are movably installed in third sliding slot
Three sliding blocks, two third sliding block sides close to each other are respectively fixedly connected on the two sides of locating rod, and positioning arm cover is connected to
Two springs, one end of second spring are fixedly connected on third sliding block, and the other end of the first spring is fixedly connected on third sliding slot
On the inner wall of remotely located slot side.
Preferably, the two sides of the cabinet body offer multiple heat release holes, and heat release hole is is obliquely installed, and heat release hole and wind
Fan corresponding setting.
Preferably, the side of the cabinet body is fixedly mounted there are two mounting blocks, and two mounting blocks are rotatablely installed by hinge
There is the same electric-power metering cabinet door.
Preferably, multiple ventilation holes are offered on the side of two support plates.
Compared with prior art, the utility model has the beneficial effects that
1. in the utility model, passing through cabinet body, blower tray, fan, motor, ventilation hole, elliptical aperture, fixed link, second
Sliding slot, the second sliding block, oval groove, card slot, fixture block are used cooperatively, and when needing to dismantle fan, while rotating two fixed links,
Fixed link rotation drives the fixture block for being fixed on fixed link two sides to rotate in the card slot being provided on oval groove inner wall, until fixture block
It is detached from card slot, at this point, two fixed links are pulled simultaneously, so that two fixed links are mobile to the side far from oval groove, until two
A fixed link is detached from two oval grooves respectively, can remove blower tray from cabinet at this time, when needing to install, by fan
Bracket is corresponding to be placed on the inner wall of cabinet, drives two fixed links respectively to two by the drawing force of the first spring at this time
The direction of oval groove is mobile, until fixed link enters in oval groove, at this point, two fixed links are rotated simultaneously, and fixed link rotation
The fixture block for being fixed on fixed link two sides is driven to rotate in oval groove, until fixture block enters the card being provided on oval groove inner wall
In slot, so that blower tray is fixed on the inner wall of cabinet, thus the quickly and easily disassembly of completion rate fan；
2. by cabinet body, telescopic chute, first sliding groove, the first sliding block, support plate, fixed block, top cover, location hole, locating rod,
Third sliding slot, third sliding block, locating slot are used cooperatively, and when needing to pull out support plate, while pulling two locating rods, so that fixed
Position bar is mobile to the side of remotely located slot, until locating rod is detached from locating slot, pulls top cover to the volume one far from cabinet body at this time
Side is mobile, and top cover is mobile to drive two fixed blocks for being fixed on cabinet body bottom side mobile, and mobile drive of two fixed blocks is fixed respectively
Two support plates for being mounted on two fixed block bottom sides are mobile, when required position is arrived in adjusting, pass through the drawing force of second spring
Drive locating rod mobile to the side of locating slot, until locating rod enters locating slot, so that support plate is fixed on cabinet body
On, to achieve the purpose that flexible modulation；
The utility model structure is simple, drives the air circulation in electric-power metering cabinet, and electric power by the setting of fan
Metering cabinet inner space is adjustable, the space in electric-power metering cabinet in energy can be allowed bigger, so that the ventilation of electric-power metering cabinet is more
Add smooth.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of electric-power metering cabinet ventilation device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of electric-power metering cabinet ventilation device side structure schematic view；
Fig. 3 be the utility model proposes a kind of electric-power metering cabinet ventilation device Fig. 1 in part A structural schematic diagram；
Fig. 4 be the utility model proposes a kind of electric-power metering cabinet ventilation device Fig. 1 in part B structural schematic diagram.
In figure: 1 cabinet body, 2 blower trays, 3 telescopic chutes, 4 first sliding grooves, 5 first sliding blocks, 6 support plates, 7 fixed blocks, 8 tops
Lid, 9 fans, 10 motors, 11 ventilation holes, 12 elliptical apertures, 13 fixed links, 14 second sliding slots, 15 second sliding blocks, 16 oval grooves, 17
Card slot, 18 fixture blocks, 19 location holes, 20 locating rods, 21 third sliding slots, 22 third sliding blocks, 23 locating slots.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of electric-power metering cabinet ventilation device, including cabinet body 1, activity on the 1 two sides inner wall of cabinet body
Blower tray 2 is installed, the two sides of blower tray 2 are fixedly connected to fixed block, open in the horizontal direction on two fixed blocks
Equipped with elliptical aperture 12, fixed link 13 is movably installed in four second sliding slots 14, the both ends of fixed link 13 all extend to ellipse
It outside hole 12, is opened up in the horizontal direction on the 1 two sides inner wall of cabinet body there are two oval groove 16, four oval grooves 16 are respectively with four
The corresponding setting of a elliptical aperture 12, one end of fixed link 13 extend in oval groove 16, and annular offers on 16 inner wall of oval groove
Card slot 17, two fixture blocks 18 are movably installed in card slot 17, and two sides close to each other of fixture block 18 are respectively and fixedly installed to solid
On the two sides of fixed pole 13, fan 9, fan 9 are rotatably equipped between the two sides inner wall of the cabinet body 1 and two blower trays 2
It is fixedly installed with 10 output shaft of motor by shaft coupling, it is close to each other that two motors 10 are separately fixed at two blower trays 2
On side, the top side of the cabinet body 1 offers telescopic chute 3 along the vertical direction, and it is sliding that first is offered on 3 two sides inner wall of telescopic chute
Slot 4 is movably installed with same first sliding block 5 in two first sliding grooves 4, and the top side of the first sliding block 5 is fixedly installed with support plate
6, and the top of support plate 6 extends to outside telescopic chute 3, offers location hole in the horizontal direction on the 3 side inner wall of telescopic chute
19, locating rod 20 is movably installed in location hole 19, and the both ends of locating rod 20 all extend to outside location hole 19, support plate 6 is leaned on
The side equidistant intervals of nearly location hole 19 offer multiple locating slots 23, and one end of locating rod 20 extends to locating slot 23
Interior, the top side of two support plates 6 is fixedly installed with fixed block 7, and the top side of two fixed blocks 7 is fixedly installed with the same top cover
8, pass through cabinet body 1, blower tray 2, fan 9, motor 10, ventilation hole 11, elliptical aperture 12, fixed link 13, second sliding slot 14, second
Sliding block 15, oval groove 16, card slot 17, fixture block 18 are used cooperatively, and when needing to dismantle fan 4, while rotating two fixed links
13, the rotation of fixed link 13 drives the fixture block 18 for being fixed on 13 two sides of fixed link in the card slot 17 being provided on 16 inner wall of oval groove
Interior rotation, until fixture block 18 is detached from card slot 17, at this point, two fixed links 13 are pulled simultaneously, so that two fixed links 13 are to separate
The side of oval groove 16 is mobile, until two fixed links 13 are detached from two oval grooves 16 respectively, it at this time can be by blower tray 2
It is removed from cabinet 1, when needing to install, by the corresponding inner wall for being placed on cabinet 1 of blower tray 2, passes through first at this time
The drawing force of spring drives two fixed links 13 mobile to the direction of two oval grooves 16 respectively, until fixed link 13 enter it is ellipse
In circular groove 16, at this point, rotating two fixed links 13 simultaneously, the rotation of fixed link 13 drives the fixture block for being fixed on 13 two sides of fixed link
18 rotate in oval groove 16, until fixture block 18 enters in the card slot 17 being provided on 16 inner wall of oval groove, so that fan branch
Frame 2 is fixed on the inner wall of cabinet 1, so that the quickly and easily disassembly of completion rate fan, passes through cabinet body 1, telescopic chute 3, first
Sliding slot 4, the first sliding block 5, support plate 6, fixed block 7, top cover 8, location hole 19, locating rod 20, third sliding slot 21, third sliding block
22, locating slot 23 is used cooperatively, and when needing to pull out support plate 6, while pulling two locating rods 20 so that locating rod 20 to
The side of remotely located slot 23 is mobile, until locating rod 20 is detached from locating slot 23, pulls top cover 8 to the volume far from cabinet body 1 at this time
Side is mobile, and the movement of top cover 8 drives two fixed blocks 7 for being fixed on 1 bottom side of cabinet body mobile, and mobile drive of two fixed blocks 7 is divided
Two support plates 6 for not being fixedly mounted on two 7 bottom sides of fixed block are mobile, when required position is arrived in adjusting, pass through second spring
Drawing force drive locating rod 20 mobile to the side of locating slot 23, until locating rod 20 enters locating slot 23 so that
Support plate 6 is fixed on cabinet body 1, to achieve the purpose that flexible modulation, the utility model structure is simple, passes through setting for fan
The air circulation driven in electric-power metering cabinet is set, and electric-power metering cabinet inner space is adjustable, can allowed in electric-power metering cabinet
Space in energy is bigger, so that the ventilation of electric-power metering cabinet is more smooth.
Annular offers second sliding slot 14 on 12 inner wall of elliptical aperture, and two the second sliding blocks are movably installed in second sliding slot 14
15, two the second sliding block 15 sides close to each other are respectively fixedly connected on the two sides of fixed link 13, and fixed link 13 is socketed with
First spring, one end of the first spring are fixedly connected on the second sliding block 15, and the other end of the first spring is fixedly connected on second
On inner wall of the sliding slot 14 far from 16 side of oval groove, annular offers third sliding slot 21, third sliding slot 21 on 19 inner wall of location hole
Two third sliding blocks 22 are inside movably installed with, two sides close to each other of third sliding block 22 are respectively fixedly connected in locating rod
On 20 two sides, locating rod 20 is socketed with second spring, and one end of second spring is fixedly connected on third sliding block 22, the first bullet
The other end of spring is fixedly connected on the inner wall of remotely located 23 side of slot of third sliding slot 21, and the two sides of cabinet body 1 offer more
A heat release hole, heat release hole is is obliquely installed, and heat release hole setting corresponding with fan 9, and there are two the side fixed installations of cabinet body 1
Mounting blocks, two mounting blocks are rotatably equipped with the same electric-power metering cabinet door by hinge, open on the side of two support plates 6
Equipped with multiple ventilation holes, pass through cabinet body 1, blower tray 2, fan 9, motor 10, ventilation hole 11, elliptical aperture 12, fixed link 13,
Two sliding slots 14, the second sliding block 15, oval groove 16, card slot 17, fixture block 18 are used cooperatively, and when needing to dismantle fan 4, are turned simultaneously
Two fixed links 13 are moved, the rotation of fixed link 13 drives the fixture block 18 for being fixed on 13 two sides of fixed link being provided with 16 inner wall of oval groove
On card slot 17 in rotation, until fixture block 18 be detached from card slot 17, at this point, simultaneously pull two fixed links 13 so that two fixations
Bar 13 is moved to the side far from oval groove 16, until two fixed links 13 are detached from two oval grooves 16 respectively, can be incited somebody to action at this time
Blower tray 2 is removed from cabinet 1, when needing to install, by the corresponding inner wall for being placed on cabinet 1 of blower tray 2, at this time
Drive two fixed links 13 mobile to the direction of two oval grooves 16 respectively by the drawing force of the first spring, until fixed link
13 enter in oval groove 16, at this point, rotating two fixed links 13 simultaneously, the rotation of fixed link 13, which drives, is fixed on 13 liang of fixed link
The fixture block 18 of side rotates in oval groove 16, until fixture block 18 enters in the card slot 17 being provided on 16 inner wall of oval groove, makes
It obtains blower tray 2 to be fixed on the inner wall of cabinet 1, so that the quickly and easily disassembly of completion rate fan, by cabinet body 1, stretches
Slot 3, first sliding groove 4, the first sliding block 5, support plate 6, fixed block 7, top cover 8, location hole 19, locating rod 20, third sliding slot 21,
Third sliding block 22, locating slot 23 are used cooperatively, and when needing to pull out support plate 6, while pulling two locating rods 20, so that positioning
Bar 20 is mobile to the side of remotely located slot 23, until locating rod 20 is detached from locating slot 23, pulls top cover 8 to far from cabinet body at this time
1 volume side is mobile, and top cover 8 is mobile to drive two fixed blocks 7 for being fixed on 1 bottom side of cabinet body mobile, the mobile band of two fixed blocks 7
Dynamic two support plates 6 for being respectively and fixedly installed to two 7 bottom sides of fixed block are mobile, when required position is arrived in adjusting, pass through second
The drawing force of spring drives locating rod 20 mobile to the side of locating slot 23, until locating rod 20 enters locating slot 23, thus
So that support plate 6 is fixed on cabinet body 1, to achieve the purpose that flexible modulation, the utility model structure is simple, passes through fan
The air circulation driven in electric-power metering cabinet is set, and electric-power metering cabinet inner space is adjustable, can allow electric-power metering cabinet
Space in interior energy is bigger, so that the ventilation of electric-power metering cabinet is more smooth.
Working principle: when needing to dismantle fan 4, while rotating two fixed links 13, and the rotation of fixed link 13, which drives, to be fixed
Fixture block 18 in 13 two sides of fixed link rotates in the card slot 17 being provided on 16 inner wall of oval groove, until fixture block 18 is detached from card slot
17, at this point, two fixed links 13 are pulled simultaneously, so that two fixed links 13 are mobile to the side far from oval groove 16, until two
A fixed link 13 is detached from two oval grooves 16 respectively, can remove blower tray 2 from cabinet 1 at this time, when needing to install,
By on the corresponding inner wall for being placed on cabinet 1 of blower tray 2, two fixed links 13 are driven by the drawing force of the first spring at this time
It is mobile to the direction of two oval grooves 16 respectively, until fixed link 13 enters in oval groove 16, at this point, rotating two simultaneously admittedly
Fixed pole 13, the rotation of fixed link 13 drives the fixture block 18 for being fixed on 13 two sides of fixed link to rotate in oval groove 16, until fixture block 18
It enters in the card slot 17 being provided on 16 inner wall of oval groove, so that blower tray 2 is fixed on the inner wall of cabinet 1, thus fastly
The disassembly of fast easily completion rate fan, when needing to pull out support plate 6, while pulling two locating rods 20, so that locating rod 20
It is mobile to the side of remotely located slot 23, until locating rod 20 is detached from locating slot 23, pull top cover 8 to separate cabinet body 1 at this time
Volume side is mobile, and top cover 8 is mobile to drive two fixed blocks 7 for being fixed on 1 bottom side of cabinet body mobile, and two fixed blocks 7 are mobile to be driven
Two support plates 6 for being respectively and fixedly installed to two 7 bottom sides of fixed block are mobile, when required position is arrived in adjusting, pass through the second bullet
The drawing force of spring drives locating rod 20 mobile to the side of locating slot 23, until locating rod 20 enters locating slot 23, to make
It obtains support plate 6 to be fixed on cabinet body 1, to achieve the purpose that flexible modulation.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of electric-power metering cabinet ventilation device, including cabinet body (1), which is characterized in that living on the inner wall of cabinet body (1) two sides
Dynamic to be equipped with blower tray (2), the two sides of blower tray (2) are fixedly connected to fixed block, along level on two fixed blocks
Direction offers elliptical aperture (12), is movably installed with fixed link (13) in four second sliding slots (14), the two of fixed link (13)
End all extends to elliptical aperture (12) outside, is opened up in the horizontal direction on the inner wall of cabinet body (1) two sides there are two oval groove (16),
Setting corresponding with four elliptical aperture (12), one end of fixed link (13) extend to oval groove (16) to four oval grooves (16) respectively
Interior, annular offers card slot (17) on oval groove (16) inner wall, and two fixture blocks (18), two cards are movably installed in card slot (17)
Block (18) side close to each other is respectively and fixedly installed on the two sides of fixed link (13), the two sides inner wall of the cabinet body (1) with
It is rotatably equipped with fan (9) between two blower trays (2), it is defeated that fan (9) by shaft coupling is fixedly installed with motor (10)
Shaft, two motors (10) are separately fixed on two blower tray (2) sides close to each other, the top side of the cabinet body (1)
It offers telescopic chute (3), is offered first sliding groove (4) on the inner wall of telescopic chute (3) two sides, two first sliding grooves along the vertical direction
(4) it is movably installed with same first sliding block (5) in, the top side of the first sliding block (5) is fixedly installed with support plate (6), and is supported
The top of plate (6) extends to telescopic chute (3) outside, offers location hole in the horizontal direction on the inner wall of telescopic chute (3) side
(19), it is movably installed with locating rod (20) in location hole (19), and the both ends of locating rod (20) all extend to location hole (19) outside,
The side equidistant intervals of support plate (6) close location hole (19) offer multiple locating slots (23), and the one of locating rod (20)
End extends in locating slot (23), and the top side of two support plates (6) is fixedly installed with fixed block (7), two fixed blocks (7)
Top side is fixedly installed with the same top cover (8).
2. a kind of electric-power metering cabinet ventilation device according to claim 1, which is characterized in that elliptical aperture (12) inner wall
Upper annular offers second sliding slot (14), is movably installed with two the second sliding blocks (15), two second cunnings in second sliding slot (14)
Block (15) side close to each other is respectively fixedly connected on the two sides of fixed link (13), and fixed link (13) is socketed with the first bullet
Spring, one end of the first spring are fixedly connected on the second sliding block (15), and the other end of the first spring is fixedly connected on second sliding slot
(14) on the inner wall far from oval groove (16) side.
3. a kind of electric-power metering cabinet ventilation device according to claim 1, which is characterized in that location hole (19) inner wall
Upper annular offers third sliding slot (21), and two third sliding blocks (22) are movably installed in third sliding slot (21), and two thirds are sliding
Block (22) side close to each other is respectively fixedly connected on the two sides of locating rod (20), and locating rod (20) is socketed with the second bullet
Spring, one end of second spring are fixedly connected on third sliding block (22), and the other end of the first spring is fixedly connected on third sliding slot
(21) on the inner wall of remotely located slot (23) side.
4. a kind of electric-power metering cabinet ventilation device according to claim 1, which is characterized in that the two sides of the cabinet body (1)
Multiple heat release holes are offered, heat release hole is is obliquely installed, and heat release hole setting corresponding with fan (9).
5. a kind of electric-power metering cabinet ventilation device according to claim 1, which is characterized in that the side of the cabinet body (1)
It is fixedly mounted there are two mounting blocks, two mounting blocks are rotatably equipped with the same electric-power metering cabinet door by hinge.
6. a kind of electric-power metering cabinet ventilation device according to claim 1, which is characterized in that the one of two support plates (6)
Multiple ventilation holes are offered on side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820585756.0U CN208462239U (en) | 2018-04-24 | 2018-04-24 | A kind of electric-power metering cabinet ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820585756.0U CN208462239U (en) | 2018-04-24 | 2018-04-24 | A kind of electric-power metering cabinet ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208462239U true CN208462239U (en) | 2019-02-01 |
Family
ID=65150306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820585756.0U Expired - Fee Related CN208462239U (en) | 2018-04-24 | 2018-04-24 | A kind of electric-power metering cabinet ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208462239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197438A (en) * | 2021-05-22 | 2021-08-03 | 国网山东省电力公司龙口市供电公司 | Intelligent financial file cabinet and application method thereof |
-
2018
- 2018-04-24 CN CN201820585756.0U patent/CN208462239U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197438A (en) * | 2021-05-22 | 2021-08-03 | 国网山东省电力公司龙口市供电公司 | Intelligent financial file cabinet and application method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20190424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |