CN112739099B - Power-off protection device for electronic information equipment - Google Patents
Power-off protection device for electronic information equipment Download PDFInfo
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- CN112739099B CN112739099B CN202011567825.3A CN202011567825A CN112739099B CN 112739099 B CN112739099 B CN 112739099B CN 202011567825 A CN202011567825 A CN 202011567825A CN 112739099 B CN112739099 B CN 112739099B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention provides a power-off protection device for electronic information equipment, and relates to the technical field of power-off protection equipment. This electronic information equipment power-off protection device, including the second casing, the preceding terminal surface of second casing is provided with the electro-magnet, the right-hand member fixedly connected with stopper rod cover of electro-magnet, the surface of stopper rod cover is provided with the second spring, the inner wall sliding connection of stopper rod cover has fixed pipe, the right-hand member fixedly connected with pencil head of fixed pipe, the left end of electro-magnet is provided with adsorbs the piece, the left end that adsorbs the piece is provided with pencil head, the bottom fixedly connected with second casing of pencil head, the lower extreme fixedly connected with fixing base of second casing. The electromagnet and the adsorption block are electrified to be adsorbed, so that the second shell is in an electrified state, the electronic information equipment is electrified, the device has a good power-off protection function under the control of the electromagnet, and the electronic information equipment is prevented from being damaged.
Description
Technical Field
The invention relates to the technical field of power-off protection equipment, in particular to a power-off protection device for electronic information equipment.
Background
Electronic information engineering is a subject of electronic information control and information processing by applying modern technologies of computers and the like, and mainly researches on acquisition and processing of information, design, development, application and integration of electronic equipment and information systems, and wide-caliber speciality in the aspects of electronic and information engineering, wherein the information equipment refers to hardware facilities of computers, communication and office automation equipment and the like and buildings and the like in information departments, and the application of the information equipment is more and more extensive.
Ordinary power-off protection equipment function singleness, the too big power-off protection device of voltage burns out easily, and fail safe nature can not ensure, and the device's fixed effect is relatively poor simultaneously, does not possess the heat dissipation function, provides an electronic information equipment power-off protection device from this.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a power-off protection device for electronic information equipment, which solves the problems of poor stability and heat dissipation, single function and single power-off protection.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: a power-off protection device for electronic information equipment comprises a second shell, wherein the upper end of the second shell is fixedly connected with a first shell, and fan blades are arranged inside the first shell;
the upper end of the second shell is fixedly connected with a fixing sleeve, the inner wall of the fixing sleeve is connected with a supporting rod in a sliding manner, the upper end of the supporting rod is fixedly connected with a first top plate, the outer surface of the supporting rod is provided with a first spring, both side ends of the second shell are fixedly connected with fixing lugs, the front end surface of each fixing lug is provided with a positioning hole, the upper end and the lower end of each positioning hole are respectively provided with a second ejector rod, the outer surface of each second ejector rod is provided with a third spring, one end of each third spring is provided with a pull plate, the other end of each third spring is provided with a fixing lug, one end of each pull plate is fixedly connected with one end of each second ejector rod, and the other end of each second ejector rod is fixedly connected with a second top plate;
the front end face of the second shell is rotatably connected with a protective door, the front end face of the second shell is provided with an electromagnet, the right end of the electromagnet is fixedly connected with a limiting rod sleeve, the outer surface of the limiting rod sleeve is provided with a second spring, the inner wall of the limiting rod sleeve is connected with a fixed pipe in a sliding manner, the right end of the fixed pipe is fixedly connected with a wire bundling head, the left end of the electromagnet is provided with an adsorption block, the left end of the adsorption block is provided with a wire bundling head, and the bottom end of the wire bundling head is fixedly connected with the second shell;
the lower extreme fixedly connected with fixing base of second casing, the preceding terminal surface of fixing base is provided with first jack, the preceding terminal surface of fixing base just is close to first jack and is provided with the second jack, the equal sliding connection in both sides end of fixing base has the sand grip, the bottom fixedly connected with apron of sand grip.
Preferably, a USB socket is arranged between the second jacks, and the number of the USB sockets is two.
Preferably, the upper end of the cover plate is slidably connected with the second shell, the rear end face of the cover plate is fixedly connected with a rack, a tooth groove of the rack is meshed with a toothed sleeve, and the inner wall of the toothed sleeve is fixedly connected with a transmission shaft.
Preferably, the number of the wire bundling heads is two, a clamping groove is formed in the front end face of each wire bundling head, the inner wall of each clamping groove is fixedly connected with a wire clamping head, a pressing plate is arranged on the outer side of each wire clamping head, a first ejector rod is fixedly connected to the outer surface of each pressing plate, and the outer surface of each first ejector rod is in threaded connection with the wire bundling heads.
Preferably, the right end of the second spring is fixedly connected with a wire bundling head, the left end of the second spring is fixedly connected with a clamping sleeve, and the inner wall of the clamping sleeve is fixedly connected with a limiting rod sleeve.
Preferably, the front end face of the second shell is close to the electronic display screen fixedly connected with the electromagnet, the lower end of the electronic display screen is provided with the electromagnet, the lower end of the electromagnet is provided with a plurality of toggle switches, the right side of each toggle switch is provided with a battery cover, and the two sides of each battery cover are fixedly connected with the second shell.
Preferably, the preceding terminal surface of guard gate is provided with the observation window, the right side of observation window is provided with the handle, the bottom fixedly connected with guard gate of handle.
Preferably, the bottom fixedly connected with axle sleeve of flabellum, the inner wall fixedly connected with pivot of axle sleeve, the bottom fixedly connected with output of motor of pivot, the bottom fixedly connected with fixed plate of motor, the one end of the marginal fixedly connected with guard bar of fixed plate, the first casing of the other end fixedly connected with of antislip strip.
Preferably, the outer surface of the second ejector rod is connected with a fixing lug in a sliding mode, the number of the second ejector rods is eight, and the number of the second top plates is four.
The working principle is as follows: the fastening assembly of taking of use, fastening assembly is supporting fastening bolt and hexagon nut, fastening assembly carries out spacing cooperation through locating hole 9 and fixed ear 13, second roof 30 makes third spring 40 be in tensile state through second ejector pin 31 simultaneously, and then accomplish the fixed to 8 bottoms of second casing, later with the device connecting wire, manual rotation first ejector pin 23 makes clamp plate 39 keep away from card line head 38, later place the wire on card line head 38 surface, and rotate first ejector pin 23 and make clamp plate 39 compress tightly fixed wire, later manual rising toggle switch 20, toggle switch 20 makes second casing 8 be in the on-state, and then make electro-magnet 21 adsorb fixed absorption piece 22, electro-magnet 21 and absorption piece 22 contact back, electronic display screen 5 demonstrates corresponding information.
(III) advantageous effects
The invention provides a power-off protection device for electronic information equipment. The method has the following beneficial effects:
1. according to the invention, the electromagnet and the adsorption block are electrified to adsorb, so that the second shell is in an electrified state, the electronic information equipment is electrified, when a power failure phenomenon occurs, the electromagnet is separated from the adsorption block, the primary power failure is realized, the toggle switch can also be powered off, and the device has a better power failure protection function in a double power failure mode, so that the electronic information equipment is prevented from being damaged.
2. According to the invention, the lower end of the second shell is provided with the fixed seat, the front end surface of the fixed seat is provided with the first jack, the second jack and the USB socket, the second shell has a charging function through the arrangement of the first jack, the second jack and the USB socket, the device has a better dustproof function through the arrangement of the top plate, and other articles can be placed at the same time.
3. According to the invention, the first shell is arranged at the upper end of the second shell, the fan blades are arranged in the first shell, the motor drives the rotating shaft to rotate, so that the fan blades rotate, and the fan blades blast air to enable the device to have a better heat dissipation function.
4. According to the invention, the fixing lug is fixed at a designated position by matching the positioning hole with the fastening device, the inner wall of the fixing lug is connected with the ejector rod in a sliding manner, the compression effect of the second top plate is improved by matching the third spring, and meanwhile, the fastening device is prevented from loosening.
Drawings
FIG. 1 is a partial schematic view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a partial schematic view of the present invention;
FIG. 5 is a partial schematic view of the present invention;
FIG. 6 is an enlarged view of FIG. 1 at A;
fig. 7 is an enlarged view of fig. 3 at B.
Wherein, 1, the first top plate; 2. a support bar; 3. a first housing; 4. a fixing plate; 5. an electronic display screen; 6. a first spring; 7. fixing a sleeve; 8. a second housing; 9. positioning holes; 10. a second spring; 11. a ferrule; 12. a battery cover; 13. fixing the ear; 14. a fan blade; 15. a cover plate; 16. a first jack; 17. a second jack; 18. a USB socket; 19. a fixed seat; 20. a toggle switch; 21. an electromagnet; 22. an adsorption block; 23. a first ejector rod; 24. a wire bundling head; 25. a limiting rod sleeve; 26. a handle; 27. an observation window; 28. a protective door; 29. pulling a plate; 30. a second top plate; 31. a second ejector rod; 32. a convex strip; 33. a gear sleeve; 34. a drive shaft; 35. a rack; 36. a motor; 37. a fixed tube; 38. a wire clamping head; 39. pressing a plate; 40. a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 7, an embodiment of the present invention provides an electronic information device power-off protection device, including an electronic information device power-off protection device, which includes a second casing 8, a first casing 3 is fixedly connected to an upper end of the second casing 8, a fan blade 14 is disposed inside the first casing 3, and air is blown by the fan blade 14 to make external air flow enter the second casing 8, so as to implement air flow exchange;
the upper end of the second shell 8 is fixedly connected with a fixing sleeve 7, the inner wall of the fixing sleeve 7 is connected with a support rod 2 in a sliding manner, the upper end of the support rod 2 is fixedly connected with a first top plate 1, the first shell 3 has a dustproof function under the cooperation of the first top plate 1, the outer surface of the support rod 2 is provided with a first spring 6, the upper end of the second shell 8 has a protection function by extruding the first spring 6 through the first top plate 1, both side ends of the second shell 8 are fixedly connected with fixing lugs 13, the front end surface of the fixing lug 13 is provided with a positioning hole 9, the fixing lug 13 is fixed at a specified position through the positioning hole 9, both the upper end and the lower end of the positioning hole 9 are provided with a second top rod 31, the outer surface of the second top rod 31 is provided with a third spring 40, one end of the third spring 40 is provided with a pull plate 29, the other end of the third spring 40 is provided with a fixing lug 13, both ends of the pull plate 29 and the fixing lug 13 fix both ends of the third spring 40 through clamping plates, one end of the second pull plate 29 is fixedly connected with one end of the second top rod 31, the second top plate 31 is fixedly connected with one end of the second top plate 30, and the fixing lug 13 is arranged to prevent the fixing lug 13 from loosening;
the front end face of the second shell 8 is rotatably connected with a protective door 28, the front end face of the second shell 8 is provided with an electromagnet 21, the right end of the electromagnet 21 is fixedly connected with a limiting rod sleeve 25, the outer surface of the limiting rod sleeve 25 is provided with a second spring 10, the inner wall of the limiting rod sleeve 25 is slidably connected with a fixed pipe 37, the right end of the fixed pipe 37 is fixedly connected with a wire bundling head 24, the left end of the electromagnet 21 is provided with an adsorption block 22, the left end of the adsorption block 22 is provided with a wire bundling head 24, the bottom end of the wire bundling head 24 is fixedly connected with the second shell 8, when the wire bundling head 24 is in an electrified state, the electromagnet 21 and the adsorption block 22 are in an adsorption and fixed state, and further the second shell 8 is in an electrified state;
lower extreme fixedly connected with fixing base 19 of second casing 8, the preceding terminal surface of fixing base 19 is provided with first jack 16, and first jack 16 is used for connecting three and connects the plug, and fixing base 19 preceding terminal surface just is close to first jack 16 and is provided with second jack 17, and second jack 17 is used for connecting two and connects the plug, and the equal sliding connection in both sides end of fixing base 19 has sand grip 32, and the bottom fixedly connected with apron 15 of sand grip 32, apron 15 are used for closing cap fixing base 19.
The number of the USB sockets 18 is two, and the USB sockets 18 are used for connecting USB plugs, so that the second shell 8 has multiple connecting functions.
The upper end of the cover plate 15 is connected with the second shell 8 in a sliding mode, the rear end face of the cover plate 15 is fixedly connected with a rack 35, a tooth groove of the rack 35 is meshed with a toothed sleeve 33, a transmission shaft 34 is fixedly connected to the inner wall of the toothed sleeve 33, the transmission shaft 34 rotates through a driving device, and the position of the rack 35 can be adjusted due to the rotation of the transmission shaft 34.
The quantity of bunch head 24 is two, and the preceding terminal surface of bunch head 24 is provided with the draw-in groove, and the inner wall fixedly connected with card end 38 of draw-in groove, the outside of card end 38 are provided with clamp plate 39, and clamp plate 39's first ejector pin 23 of outer fixed surface connection, the outer surface threaded connection of first ejector pin 23 has bunch head 24, and bunch head 24 is used for the fixed connection line, makes clamp plate 39 compress tightly the fixed connection line through rotating first ejector pin 23.
The right-hand member fixedly connected with of second spring 10 restraints end of a thread 24, and the left end fixedly connected with cutting ferrule 11 of second spring 10, the inner wall fixedly connected with stop lever cover 25 of cutting ferrule 11 makes second spring 10 possess the reset function through setting up cutting ferrule 11.
The preceding terminal surface of second casing 8 just is close to electro-magnet 21 fixedly connected with electronic display screen 5, electronic display screen 5 restricts the operating condition of second casing 8, the lower extreme of electronic display screen 5 is provided with electro-magnet 21, the lower extreme of electro-magnet 21 is provided with toggle switch 20, toggle switch 20 can carry out manual control and carry out the power-off protection, toggle switch 20's quantity is a plurality of, toggle switch 20's right side is provided with battery cover 12, the both sides fixedly connected with second casing 8 of battery cover 12, battery cover 12 is used for sealed battery subassembly, battery subassembly is stand-by battery.
The preceding terminal surface of guard gate 28 is provided with observation window 27, and observation window 27 can observe toggle switch 20's state, and the right side of observation window 27 is provided with handle 26, and the bottom fixedly connected with guard gate 28 of handle 26 makes guard gate 28 be convenient for the switch through pulling handle 26.
The bottom fixedly connected with axle sleeve of flabellum 14, the inner wall fixedly connected with pivot of axle sleeve, the bottom fixedly connected with motor 36's of pivot output, motor 36's bottom fixedly connected with fixed plate 4, the one end of the marginal fixedly connected with protecting strip of fixed plate 4, the first casing 3 of the other end fixedly connected with of antislip strip, motor 36 drive pivot is rotated, the pivot drives flabellum 14 through the axle sleeve and rotates, motor 36 provides power.
The outer surface of the second ejector rod 31 is connected with the fixing lugs 13 in a sliding mode, the number of the second ejector rods 31 is eight, the number of the second ejector plates 30 is four, the second ejector rods 31 are in sliding fit with the fixing lugs 13, the fixing lugs 13 are enabled to have a limiting function, and the second ejector rods 31 are used for fixing the second ejector plates 30.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An electronic information equipment power-off protection device, includes second casing (8), its characterized in that: the upper end of the second shell (8) is fixedly connected with a first shell (3), and fan blades (14) are arranged in the first shell (3);
the upper end of the second shell (8) is fixedly connected with a fixing sleeve (7), the inner wall of the fixing sleeve (7) is connected with a supporting rod (2) in a sliding manner, the upper end of the supporting rod (2) is fixedly connected with a first top plate (1), the outer surface of the supporting rod (2) is provided with a first spring (6), two side ends of the second shell (8) are respectively fixedly connected with a fixing lug (13), the front end surface of each fixing lug (13) is provided with a positioning hole (9), the upper end and the lower end of each positioning hole (9) are respectively provided with a second top rod (31), the outer surface of each second top rod (31) is provided with a third spring (40), one end of each third spring (40) is provided with a pull plate (29), the other end of each third spring (40) is provided with a fixing lug (13), one end of each pull plate (29) is fixedly connected with one end of each second top rod (31), and the other end of each second top rod (31) is fixedly connected with a second top plate (30);
the front end face of the second shell (8) is rotatably connected with a protective door (28), the front end face of the second shell (8) is provided with an electromagnet (21), the right end of the electromagnet (21) is fixedly connected with a limiting rod sleeve (25), the outer surface of the limiting rod sleeve (25) is provided with a second spring (10), the inner wall of the limiting rod sleeve (25) is slidably connected with a fixed pipe (37), the right end of the fixed pipe (37) is fixedly connected with a wire binding head (24), the left end of the electromagnet (21) is provided with an adsorption block (22), the left end of the adsorption block (22) is provided with the wire binding head (24), and the bottom end of the wire binding head (24) is fixedly connected with the second shell (8);
a fixed seat (19) is fixedly connected to the lower end of the second shell (8), a first insertion hole (16) is formed in the front end face of the fixed seat (19), a second insertion hole (17) is formed in the front end face of the fixed seat (19) and close to the first insertion hole (16), protruding strips (32) are connected to two side ends of the fixed seat (19) in a sliding mode, and a cover plate (15) is fixedly connected to the bottom ends of the protruding strips (32);
the quantity of pencil head (24) is two, the preceding terminal surface of pencil head (24) is provided with the draw-in groove, the inner wall fixedly connected with card line head (38) of draw-in groove, the outside of card line head (38) is provided with clamp plate (39), the first ejector pin (23) of surface fixedly connected with of clamp plate (39), the surface threaded connection of first ejector pin (23) has pencil head (24), the right-hand member fixedly connected with pencil head (24) of second spring (10), the left end fixedly connected with cutting ferrule (11) of second spring (10), the inner wall fixedly connected with gag lever post cover (25) of cutting ferrule (11).
2. The power-off protection device for the electronic information equipment according to claim 1, characterized in that: USB sockets (18) are arranged between the second jacks (17), and the number of the USB sockets (18) is two.
3. The power-off protection device for the electronic information equipment according to claim 1, wherein: the upper end sliding connection of apron (15) has second casing (8), the rear end face fixedly connected with rack (35) of apron (15), the tooth's socket meshing of rack (35) is connected with tooth cover (33), the inner wall fixedly connected with transmission shaft (34) of tooth cover (33).
4. The power-off protection device for the electronic information equipment according to claim 1, wherein: the front end face of second casing (8) just is close to electro-magnet (21) fixedly connected with electronic display screen (5), the lower extreme of electronic display screen (5) is provided with electro-magnet (21), the lower extreme of electro-magnet (21) is provided with toggle switch (20), the quantity of toggle switch (20) is a plurality of, the right side of toggle switch (20) is provided with battery cover (12), the both sides fixedly connected with second casing (8) of battery cover (12).
5. The power-off protection device for the electronic information equipment according to claim 1, wherein: the preceding terminal surface of guard gate (28) is provided with observation window (27), the right side of observation window (27) is provided with handle (26), the bottom fixedly connected with guard gate (28) of handle (26).
6. The power-off protection device for the electronic information equipment according to claim 1, wherein: the bottom fixedly connected with axle sleeve of flabellum (14), the inner wall fixedly connected with pivot of axle sleeve, the output of the bottom fixedly connected with motor (36) of pivot, the bottom fixedly connected with fixed plate (4) of motor (36), the one end of the marginal fixedly connected with protective strip of fixed plate (4), the first casing of other end fixedly connected with (3) of protective strip.
7. The power-off protection device for the electronic information equipment according to claim 1, wherein: the outer surface of the second ejector rod (31) is connected with a fixing lug (13) in a sliding mode, the number of the second ejector rods (31) is eight, and the number of the second top plates (30) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011567825.3A CN112739099B (en) | 2020-12-25 | 2020-12-25 | Power-off protection device for electronic information equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011567825.3A CN112739099B (en) | 2020-12-25 | 2020-12-25 | Power-off protection device for electronic information equipment |
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| Publication Number | Publication Date |
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| CN112739099A CN112739099A (en) | 2021-04-30 |
| CN112739099B true CN112739099B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011567825.3A Active CN112739099B (en) | 2020-12-25 | 2020-12-25 | Power-off protection device for electronic information equipment |
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| CN (1) | CN112739099B (en) |
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| CN210898130U (en) * | 2019-11-25 | 2020-06-30 | 贵州新贵恒电气有限公司 | Power equipment with good protection performance |
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| CN210771644U (en) * | 2019-10-21 | 2020-06-16 | 山东科技大学 | Aluminum substrate LED lamp for exhibition stand |
| CN211364972U (en) * | 2019-11-07 | 2020-08-28 | 霄图(天津)高新技术有限公司 | Unmanned aerial vehicle aerial survey equipment protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108082126A (en) * | 2017-12-29 | 2018-05-29 | 安徽统凌科技新能源有限公司 | A kind of unlocked by fingerprint electric vehicle system |
| CN207697674U (en) * | 2017-12-29 | 2018-08-07 | 襄阳九州汽车有限公司 | A kind of utility car cutting electricity in collision device |
| CN208234894U (en) * | 2018-03-22 | 2018-12-14 | 浙江惠嘉生物科技股份有限公司 | A kind of biological fermentation equipment |
| CN208031838U (en) * | 2018-03-24 | 2018-11-02 | 湖南信息职业技术学院 | A kind of college sports waist shock-proof protector |
| CN209329478U (en) * | 2019-02-12 | 2019-08-30 | 新乡市中誉鼎力软件科技股份有限公司 | A kind of distribution box with power-off protection apparatus |
| CN210641172U (en) * | 2019-07-18 | 2020-05-29 | 天津市民通有为科技发展有限公司 | Protection casing of multichannel communication record appearance |
| CN210898130U (en) * | 2019-11-25 | 2020-06-30 | 贵州新贵恒电气有限公司 | Power equipment with good protection performance |
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| Publication number | Publication date |
|---|---|
| CN112739099A (en) | 2021-04-30 |
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