CN112038932A - Alternating current distribution box device with anti-theft function - Google Patents
Alternating current distribution box device with anti-theft function Download PDFInfo
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- CN112038932A CN112038932A CN202010809973.5A CN202010809973A CN112038932A CN 112038932 A CN112038932 A CN 112038932A CN 202010809973 A CN202010809973 A CN 202010809973A CN 112038932 A CN112038932 A CN 112038932A
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- 239000010935 stainless steel Substances 0.000 claims description 3
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
- E05B15/0205—Striking-plates, keepers, staples
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/02—Locks or fastenings for special use for thin, hollow, or thin-metal wings
- E05B65/025—Locks or fastenings for special use for thin, hollow, or thin-metal wings for lockers
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
- E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses an alternating current distribution box device with an anti-theft function, wherein a box door is arranged on the front side of an alternating current distribution box and is rotatably connected with the alternating current distribution box through a rotating shaft, an observation groove is formed in the middle of the box door, eight electro-hydraulic push rods are equally divided into four groups, the four groups of electro-hydraulic push rods are respectively arranged at four corners of the inner side wall of the alternating current distribution box, a movable plate is arranged between extension ends of the two electro-hydraulic push rods of each group, a servo motor is arranged on the side wall of the movable plate, a stud is fixedly connected to the output end of the servo motor, a screw hole is formed in the position, corresponding to the stud, of the inner side wall of the box door, the stud is in threaded connection with the box door, and a password input device is arranged on the side wall of the.
Description
Technical Field
The invention relates to the technical field of distribution boxes, in particular to an alternating current distribution box device with an anti-theft function.
Background
The distribution box is used for opening, closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of an electric power system, and components in the distribution box mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like, and are mainly suitable for various different occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textiles, factory and mining enterprises, residential districts, high-rise buildings and the like;
the prior application No. CN201921248154.7 discloses an AC distribution box with air blowing and heat dissipation functions, which can uniformly blow air to one side of a fixed bearing strip through the guide effect of a cavity rectangular cover and air vents, dissipate heat of electrical components arranged on the fixed bearing strip, the heat dissipation is uniform and good, meanwhile, the heat dissipation air inlet and outlet are respectively filtered through a second activated carbon filter screen and a first activated carbon filter screen, thereby reducing the entry of dust, preventing the box cover from being closed due to rotation caused by the self weight, avoiding the obstruction of the operation of an operator to the operation inside the box body, after the box cover is closed, the sealing between the box cover and the box body can be realized through a rubber gasket, the existing AC distribution box has no anti-theft function, when the AC distribution box is locked, the AC distribution box is generally locked from the outside through a mechanical lock, and lawless persons can easily destroy the mechanical lock from the outside, the box door is opened to steal electrical elements in the alternating current distribution box, and the use is not safe enough.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide an alternating current distribution box device with an anti-theft function, which has the anti-theft function, locks the alternating current distribution box from the inside, avoids a lawless person from opening a box door to steal electrical components in the alternating current distribution box, is safe to use, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an alternating current distribution box device with an anti-theft function comprises an alternating current distribution box and an anti-theft unit;
AC distribution box: the rear side wall is provided with two heat dissipation grooves, the front side of the alternating current distribution box is provided with a box door, the box door is rotatably connected with the alternating current distribution box through a rotating shaft, and the middle part of the box door is provided with an observation groove;
an anti-theft unit: the intelligent safety box comprises screw holes, studs, servo motors, movable plates, electro-hydraulic push rods and a password input device, wherein the electro-hydraulic push rods are eight and equally divided into four groups, the four groups of electro-hydraulic push rods are respectively arranged at four corners of the inner side wall of the alternating current distribution box, the movable plate is arranged between the extending ends of the two electro-hydraulic push rods of each group, the servo motors are arranged on the side wall of the movable plate, the output ends of the servo motors are fixedly connected with the studs, screw holes are formed in the positions, corresponding to the studs, of the inner side wall of the box door, the studs;
the intelligent control system comprises a servo motor, an electric-hydraulic push rod, a singlechip, a password input device, an external power supply and a control device, wherein the singlechip is arranged on the inner side wall of the alternating-current distribution box;
when the AC distribution box is required to be opened, the unlocking password is input through the password input device, the password input device transmits the input result to the single chip microcomputer, the single chip microcomputer can open the servo motor after receiving and processing signals, the output end of the servo motor can drive the stud to rotate, then the electrohydraulic push rod is opened, the extending end of the electrohydraulic push rod can drive the stud to move forwards, so that the stud can be twisted into the screw hole, the AC distribution box can be internally locked through the threaded connection between the stud and the box door, when the AC distribution box is required to be opened, the unlocking password is input through the password input device, the password input device can transmit the input result to the single chip microcomputer, the single chip microcomputer can enable the servo motor to rotate reversely and the electrohydraulic push rod to contract after receiving and processing signals, so that the stud can be twisted out of the screw hole, the box door can be conveniently opened, and the AC distribution box can be, the electric appliance elements in the alternating current distribution box are prevented from being stolen by opening the box door by lawless persons, and the use is safer.
Further, still include the locator, install in AC distribution box, the input of singlechip is connected to the output electricity of locator, can be used for fixing a position AC distribution box.
Further, still include magnet and electro-magnet, AC distribution box's preceding lateral wall is arranged in to the electro-magnet, and the inside wall of chamber door and the position that the electro-magnet corresponds are arranged in to magnet, and magnetism is connected between magnet and the electro-magnet, and the output of singlechip is connected to the input electricity of electro-magnet, can be used for locking the chamber door.
Further, the mounting plate and the mounting bolts are included, the four mounting plates are arranged at four corners of the lower end of the alternating current distribution box respectively, and the mounting bolts are arranged on the mounting plates and can be used for mounting the alternating current distribution box.
Furthermore, the portable box door further comprises a handle which is arranged on the outer side wall of the box door, and the handle is a stainless steel handle and can be used for conveniently opening the box door.
Further, still include bottom plate and connecting rod, the connecting rod is four, and arranges the four corners of AC distribution box lower surface in respectively, and the lower extreme of connecting rod is equipped with the bottom plate, can be used for further carrying out the theftproof.
Further, the observation glass is arranged in an observation groove in the box door, is transparent tempered glass and can be used for observing the condition inside the alternating current distribution box.
Furthermore, the LED lamp also comprises two heat dissipation fans, the number of the heat dissipation fans is two, the heat dissipation fans are respectively arranged in the two heat dissipation grooves, and the input ends of the heat dissipation fans are electrically connected with the output end of the single chip microcomputer and can be used for heat dissipation.
Compared with the prior art, the invention has the beneficial effects that: this alternating current distribution box device with theftproof function has following benefit:
1. the anti-theft unit is arranged, a locking password is input through the password input unit, the password input unit can transmit an input result to the single chip microcomputer, the servo motor can be turned on after the single chip microcomputer receives and processes signals, the output end of the servo motor can drive the stud to rotate, then the electro-hydraulic push rod is turned on, the extending end of the electro-hydraulic push rod can drive the stud to move forwards, so that the stud can be twisted into the screw hole and can be internally locked through threaded connection between the stud and the box door, the alternating current distribution box can be internally locked, an illegal person is prevented from opening the box door to steal electrical components in the alternating current distribution box, and the anti-theft unit is safe to use;
2. the door is closed when the door is locked, then the electromagnet is opened, and the electromagnet is electrified to have magnetism, so that the electromagnet can be adsorbed, the traditional mechanical lock is replaced by the adsorption effect between the electromagnet and the magnet, and the door can be further prevented from being stolen;
3. the mounting plate, the mounting bolt, the bottom plate and the connecting rod are further arranged, the alternating current distribution box can be mounted through the mounting plate and the mounting bolt, and the bottom plate is buried in the soil during mounting, so that the anti-theft effect can be further achieved;
4. still set up the locator, observed glass and heat dissipation fan, can be used for fixing a position AC distribution box through the locator, can be used for observing the inside condition of AC distribution box through observing glass, can be used for dispelling the heat through the heat dissipation fan.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic diagram of the back structure of the present invention.
In the figure: the intelligent monitoring system comprises an alternating current distribution box 1, a box door 2, an anti-theft unit 3, a screw hole 31, a stud 32, a servo motor 33, a movable plate 34, an electro-hydraulic push rod 35, a password input device 36, a positioner 4, a magnet 5, an electromagnet 6, a mounting plate 7, a mounting bolt 8, a singlechip 9, a handle 10, a bottom plate 11, a connecting rod 12, observation glass 13 and a heat dissipation fan 14.
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.
Referring to fig. 1-3, the present invention provides a technical solution: an alternating current distribution box device with an anti-theft function comprises an alternating current distribution box 1 and an anti-theft unit 3;
AC distribution box 1: the rear side wall is provided with two heat dissipation grooves, the front side of the alternating current distribution box 1 is provided with a box door 2, the box door 2 is rotatably connected with the alternating current distribution box 1 through a rotating shaft, and the middle part of the box door 2 is provided with an observation groove;
an anti-theft unit 3: the intelligent locking device comprises screw holes 31, studs 32, servo motors 33, movable plates 34, electro-hydraulic push rods 35 and a password input device 36, wherein the electro-hydraulic push rods 35 are eight and equally divided into four groups, the four groups of electro-hydraulic push rods 35 are respectively arranged at four corners of the inner side wall of an alternating current distribution box 1, the movable plate 34 is arranged between the extending ends of the two electro-hydraulic push rods 35 of each group, the servo motors 33 are arranged on the side wall of the movable plate 34, the output ends of the servo motors 33 are fixedly connected with the studs 32, screw holes 31 are formed in the inner side wall of the box door 2 corresponding to the studs 32, the studs 32 are in threaded connection with the box door 2, the password input device 36 is arranged on the side wall of the alternating current distribution box 1, when the intelligent locking device is used, the box door 2 is closed, a locking password is input through the password input device 36, the password input device 36 can transmit, then the electro-hydraulic push rod 35 is opened, the extending end of the electro-hydraulic push rod 35 can drive the stud 32 to move forwards, so that the stud 32 can be twisted into the screw hole 31, the alternating current distribution box 1 can be locked internally through threaded connection between the stud 32 and the box door 2, when the alternating current distribution box 1 needs to be opened, an unlocking password is input through the password input device 36, the password input device 36 can transmit an input result to the single chip microcomputer 9, the single chip microcomputer 9 can enable the servo motor 33 to rotate reversely and enable the electro-hydraulic push rod 35 to contract simultaneously after receiving and processing signals, so that the stud 32 can be twisted out of the screw hole 31, the box door 2 can be opened conveniently, the alternating current distribution box can be locked internally, an illegal person is prevented from opening the box door to steal electrical elements in the alternating current distribution box, and the use is safer;
the intelligent control system further comprises a single chip microcomputer 9 which is installed on the inner side wall of the alternating current distribution box 1, the input end of the single chip microcomputer 9 is electrically connected with the password input device 36 and the output end of an external power supply, and the output end of the single chip microcomputer 9 is electrically connected with the servo motor 33 and the input end of the electro-hydraulic push rod 35.
The positioning device comprises a positioner 4, and is installed in the alternating current distribution box 1, wherein the output end of the positioner 4 is electrically connected with the input end of the single chip microcomputer 9, and can be used for positioning the alternating current distribution box 1.
Wherein, still include magnet 5 and electro-magnet 6, the preceding lateral wall of AC distribution box 1 is arranged in to electro-magnet 6, and magnet 5 arranges the inside wall of chamber door 2 in and the position that electro-magnet 6 corresponds, and magnet 5 is connected with magnetism between the electro-magnet 6, and the output of singlechip 9 is connected to the input electricity of electro-magnet 6, can be used for locking chamber door 2.
The mounting plate 7 is four, the four mounting plates are respectively arranged at four corners of the lower end of the alternating current distribution box 1, and the mounting plate 7 is provided with the mounting bolts 8 which can be used for mounting the alternating current distribution box 1.
The portable box door comprises a box door 2 and is characterized by further comprising a handle 10 which is arranged on the outer side wall of the box door 2, wherein the handle 10 is a stainless steel handle and can be used for conveniently opening the box door 2.
The anti-theft device further comprises a bottom plate 11 and four connecting rods 12, wherein the four connecting rods 12 are respectively arranged at four corners of the lower surface of the alternating current distribution box 1, and the bottom plate 11 is arranged at the lower end of each connecting rod 12 and can be used for further preventing theft.
Wherein, still include observation glass 13, install in the observation groove on chamber door 2, observation glass 13 is transparent toughened glass, can be used for observing the inside condition of AC distribution box.
Wherein, the device also comprises two heat radiation fans 14 which are respectively arranged in the two heat radiation grooves, and the input end of the heat radiation fan 14 is electrically connected with the output end of the singlechip 9.
When in use: the box door 2 is closed, the locking password is input through the password input device 36, the password input device 36 transmits an input result to the single chip microcomputer 9, the servo motor 33 is opened after the single chip microcomputer 9 receives and processes signals, the output end of the servo motor 33 drives the stud 32 to rotate, then the electro-hydraulic push rod 35 is opened, the extending end of the electro-hydraulic push rod 35 drives the stud 32 to move forwards, so that the stud 32 can be twisted into the screw hole 31, the alternating current distribution box 1 can be locked internally through the threaded connection between the stud 32 and the box door 2, when the alternating current distribution box 1 needs to be opened, the unlocking password is input through the password input device 36, the password input device 36 transmits the input result to the single chip microcomputer 9, the servo motor 33 can be reversed after the single chip microcomputer 9 receives and processes the signals, the electro-hydraulic push rod 35 is contracted, so that the stud 32 can be twisted out of, therefore, the box door 2 can be opened conveniently, the alternating current distribution box can be locked from the inside, and a lawbreaker is prevented from opening the box door to steal electrical components in the alternating current distribution box, so that the use is safer.
It should be noted that the servo motor 33 disclosed in this embodiment may be of a type Y160M1-2, the electro-hydraulic push rod 35 may be of a type ANT-03, the core chip of the single chip microcomputer 9 is a PLC single chip microcomputer of a specific type siemens S7-200, and the single chip microcomputer 9 controls the servo motor 33 and the electro-hydraulic push rod 35 to operate by a method commonly used in the prior art.
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 (8)
1. The utility model provides an exchange distribution box device with theftproof function which characterized in that: comprises an alternating current distribution box (1) and an anti-theft unit (3);
AC distribution box (1): the rear side wall of the box body is provided with two heat dissipation grooves, the front side of the alternating current distribution box (1) is provided with a box door (2), the box door (2) is rotatably connected with the alternating current distribution box (1) through a rotating shaft, and the middle part of the box door (2) is provided with an observation groove;
anti-theft unit (3): the intelligent safety box comprises screw holes (31), studs (32), servo motors (33), movable plates (34), electro-hydraulic push rods (35) and a password input device (36), wherein the electro-hydraulic push rods (35) are eight and equally divided into four groups, the four groups of electro-hydraulic push rods (35) are respectively arranged at four corners of the inner side wall of the alternating current distribution box (1), the movable plate (34) is arranged between the extending ends of the two electro-hydraulic push rods (35) of each group, the servo motors (33) are arranged on the side wall of the movable plate (34), the output ends of the servo motors (33) are fixedly connected with the studs (32), the screw holes (31) are formed in the positions, corresponding to the studs (32), of the inner side wall of the box door (2), the studs (32) are in threaded connection with the box door (;
the intelligent control system is characterized by further comprising a single chip microcomputer (9) which is installed on the inner side wall of the alternating current distribution box (1), the input end of the single chip microcomputer (9) is electrically connected with the output ends of the password input device (36) and the external power supply, and the output end of the single chip microcomputer (9) is electrically connected with the input ends of the servo motor (33) and the electro-hydraulic push rod (35).
2. The ac distribution box apparatus with anti-theft function according to claim 1, wherein: the device is characterized by further comprising a positioner (4) which is installed in the alternating current distribution box (1), and the output end of the positioner (4) is electrically connected with the input end of the single chip microcomputer (9).
3. The ac distribution box apparatus with anti-theft function according to claim 1, wherein: still include magnet (5) and electro-magnet (6), the preceding lateral wall of AC distribution box (1) is arranged in electro-magnet (6), and the position that the inside wall of chamber door (2) and electro-magnet (6) correspond is arranged in magnet (5), and magnetism is connected between magnet (5) and electro-magnet (6), and the output of singlechip (9) is connected to the input electricity of electro-magnet (6).
4. The ac distribution box apparatus with anti-theft function according to claim 1, wherein: the mounting plate (7) is four, the four mounting plates are respectively arranged at four corners of the lower end of the alternating current distribution box (1), and the mounting bolts (8) are arranged on the mounting plates (7).
5. The ac distribution box apparatus with anti-theft function according to claim 1, wherein: the refrigerator door further comprises a handle (10) which is arranged on the outer side wall of the refrigerator door (2), and the handle (10) is a stainless steel handle.
6. The ac distribution box apparatus with anti-theft function according to claim 1, wherein: still include bottom plate (11) and connecting rod (12), connecting rod (12) are four, and arrange the four corners of AC distribution box (1) lower surface respectively in, and the lower extreme of connecting rod (12) is equipped with bottom plate (11).
7. The ac distribution box apparatus with anti-theft function according to claim 1, wherein: the observation glass (13) is arranged in an observation groove on the box door (2), and the observation glass (13) is transparent toughened glass.
8. The ac distribution box apparatus with anti-theft function according to claim 1, wherein: the LED lamp is characterized by further comprising two heat dissipation fans (14), the number of the heat dissipation fans is two, the two heat dissipation fans are respectively arranged in the two heat dissipation grooves, and the input ends of the heat dissipation fans (14) are electrically connected with the output end of the single chip microcomputer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010809973.5A CN112038932A (en) | 2020-08-13 | 2020-08-13 | Alternating current distribution box device with anti-theft function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010809973.5A CN112038932A (en) | 2020-08-13 | 2020-08-13 | Alternating current distribution box device with anti-theft function |
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| Publication Number | Publication Date |
|---|---|
| CN112038932A true CN112038932A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010809973.5A Pending CN112038932A (en) | 2020-08-13 | 2020-08-13 | Alternating current distribution box device with anti-theft function |
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| CN (1) | CN112038932A (en) |
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| CN106228703A (en) * | 2016-07-22 | 2016-12-14 | 江西光正金属设备集团有限公司 | The recognition of face locker that a kind of anti-external force is destroyed |
| CN209799609U (en) * | 2019-01-22 | 2019-12-17 | 深圳市极智电子有限公司 | Intelligent electronic lock device |
-
2020
- 2020-08-13 CN CN202010809973.5A patent/CN112038932A/en active Pending
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|---|---|---|---|---|
| CN204238793U (en) * | 2014-11-17 | 2015-04-01 | 安徽明辉门业有限公司 | A kind of security door with recognition device |
| CN105356329A (en) * | 2015-11-02 | 2016-02-24 | 国网山东昌乐县供电公司 | Security distribution box |
| CN205622091U (en) * | 2016-05-25 | 2016-10-05 | 罗艺 | Lithium cell processing is with theftproof block terminal |
| CN106228703A (en) * | 2016-07-22 | 2016-12-14 | 江西光正金属设备集团有限公司 | The recognition of face locker that a kind of anti-external force is destroyed |
| CN209799609U (en) * | 2019-01-22 | 2019-12-17 | 深圳市极智电子有限公司 | Intelligent electronic lock device |
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Application publication date: 20201204 |