CN108808837B - Automatic power-off switching power supply device - Google Patents
Automatic power-off switching power supply device Download PDFInfo
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- CN108808837B CN108808837B CN201810603043.7A CN201810603043A CN108808837B CN 108808837 B CN108808837 B CN 108808837B CN 201810603043 A CN201810603043 A CN 201810603043A CN 108808837 B CN108808837 B CN 108808837B
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- power supply
- mounting
- main power
- groove
- sliding
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The invention discloses an automatic power switching device in power failure, which comprises a mounting plate and a shell matched with the mounting plate, wherein a main power supply and a standby power supply are arranged on the mounting plate, and a switching mechanism is arranged between the main power supply and the standby power supply. Has the advantages that: according to the invention, the permanent magnet and the moving rod are moved by magnetic adsorption between the two electromagnets after being electrified and by adjusting the size of the electromagnets through the current regulator, when the main power supply fails, the magnetic adsorption permanent magnet and the moving rod of the electromagnet move towards the standby power supply, and then the connection between the electric contact and the electric contact end is completed, so that the automatic switching from the main power supply to the standby power supply is completed, the switching speed is high by means of magnetic driving, the high delay of the traditional press switch is avoided, the structure is stable, and the electric energy quality is ensured.
Description
Technical Field
The invention relates to the technical field of power supply control, in particular to an automatic power supply switching device in power failure.
Background
With the increase of the electricity consumption, the load of the power generation system of the power company cannot meet the demand of the electricity consumption of the power consumers, so that the power generation system of the power company is tripped due to the overload of the electricity consumption, and the electrical products are easily damaged.
At present, single power supply control is generally adopted in order to save cost in factories and enterprises, when the single power supply is powered off, equipment cannot normally operate, production is stopped, and the equipment can be blocked and killed, so that certain economic loss is brought to factories and enterprises.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an automatic power-off switching power supply device.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a outage automatic switch-over power supply unit, includes the mounting panel and with mounting panel assorted casing, be equipped with main power supply and stand-by power supply on the mounting panel, be equipped with switching mechanism between main power supply and the stand-by power supply.
In foretell outage automatic switch power supply unit, two first mounting grooves have been seted up to the last lateral wall of mounting panel, the lower lateral wall of mounting panel is seted up two and first mounting groove position corresponding second mounting grooves, every the second mounting groove all is greater than first mounting groove, main power supply and stand-by power supply adopt the flip-chip, first mounting groove and the top that the second mounting groove extended to the mounting panel are all passed to main power supply and stand-by power supply's upper end, main power supply and stand-by power supply's lower extreme homogeneous body shaping has the baffle, every the baffle all with the big or small phase-match of second mounting groove.
In the above automatic power-off switching power supply device, the side walls on the two sides of the mounting plate are both provided with the sliding grooves, the lower side wall of the shell is provided with the through groove, and the side walls on the two sides of the through groove are provided with the flanges matched with the sliding grooves in size and position.
In foretell outage automatic switch-over power supply unit, the third mounting groove has been seted up on the other both sides lateral wall of mounting panel, every all insert in the third mounting groove and be equipped with the mounting panel, every fixed mouthful has all been seted up on the both sides lateral wall of mounting panel, every the opening has all been seted up on the inner wall of spout, every the opening all communicates with the inner wall of one of them third mounting groove, every equal sliding connection has the slide bar in the opening, the both ends of slide bar extend to the inside of spout and third mounting groove respectively and are equipped with the arc head, the size phase-match of arc head and fixed mouthful.
In the above power-off automatic switching power supply device, each opening is provided with a limit groove on the inner wall of the upper side and the lower side, each sliding rod is fixedly connected with a sliding plate on the upper side wall and the lower side wall, each sliding plate is located in the limit groove and is in sliding connection with the inner wall of the limit groove, and a telescopic spring is fixedly connected between each sliding plate and the inner wall of one side of the limit groove, which is far away from the third mounting groove.
In foretell outage automatic switch-over power supply unit, switching mechanism includes the bracing piece, the upper end fixedly connected with connecting pipe of bracing piece, it has the yoke layer that adopts the yoke material to make to fill in the inner wall of connecting pipe, the connecting pipe interpolation is equipped with the carriage release lever, the both ends of carriage release lever all extend to the outside of connecting pipe and are connected with the electrical contact, main power source and stand-by power supply's last lateral wall all is connected with the connecting rod, every the welding has the installation piece on the outer wall of connecting rod, every one side that the installation piece is close to the electrical contact all install with electrical contact position assorted electrical contact end, two the electrical contact end communicates with main power source and stand-by power supply respectively.
In the above automatic power switching device, the outer wall of the moving rod is sleeved with the permanent magnet, the inner walls of the two ends of the connecting pipe are provided with the electromagnets, and the main power supply and the standby power supply are connected with one of the electromagnets through the first lead and the second lead respectively.
In the above mentioned power-off automatic switching power supply device, the two second wires are respectively connected with the positive poles of the main power supply and the standby power supply, and a current regulator is installed on the second wires.
Compared with the prior art, the automatic power-off switching power supply device has the advantages that:
1. through setting up electro-magnet and permanent magnet, be connected the electro-magnet with main power supply and stand-by power supply, and through adjusting main power supply and stand-by power supply output current's size and then adjust the adsorption affinity between electro-magnet and the permanent magnet, when the main power supply breaks down, move toward stand-by power supply with the help of the magnetism adsorption permanent magnet and the carriage release lever of the electro-magnet that are close to stand-by power supply, accomplish being connected between electric contact end and the electrical contact, drive by the electromagnetic force, switching speed is fast, the tradition has been avoided passing through artifical press switch, the switching time delay is high, cause the problem of electric energy quality reduction.
2. Set up first mounting groove, the second mounting groove, third mounting groove and mounting panel, adopt the mode of flip-chip to install main power supply and stand-by power supply in first mounting groove and second mounting groove, and it is tight to contradict to press from both sides main power supply and stand-by power supply through inserting the mounting panel in the third mounting groove, when carrying out main power supply or stand-by power supply's change, extract main power supply or stand-by power supply whereabouts with the mounting panel and can change, need not stop being connected between connecting pipe and main power supply or the stand-by power supply, it is convenient to change.
3. Set up the spout, the slide bar, the opening, casing and turn-ups, install the casing on the mounting panel, the turn-ups slides in the spout and extrudes the slide bar and slide toward the opening, during the fixed mouthful on the mounting panel was inserted to the other end of slide bar, and then realized the installation of casing and the fixed of mounting panel, avoided outside impurity to fall to the mounting panel on, avoided vibrations to make the mounting panel break away from in the mounting groove simultaneously, make main power supply and stand-by power supply's fixed more stable.
4. The sliding plate, the limiting groove and the telescopic spring are arranged, when the mounting plate is fixed by the sliding rod, the telescopic spring is stretched by the sliding plate in the limiting groove in a sliding mode, when the power supply is dismounted, the sliding shell is reset by the telescopic spring, the sliding rod is separated from the fixing opening by means of the elasticity of the telescopic spring, the mounting plate can be dismounted, and the mounting plate is convenient to fix and dismount.
In summary, the electromagnet is magnetically adsorbed to the permanent magnet after being electrified, the size of the electromagnet is adjusted through the current regulator, the permanent magnet and the moving rod are moved, when the main power supply fails, the magnetically adsorbed permanent magnet and the moving rod of the electromagnet move towards the standby power supply, and then the connection between the electric contact and the electric contact end is completed, so that the automatic switching from the main power supply to the standby power supply is completed, the switching speed is high due to the magnetic driving, the high delay of the traditional press switch is avoided, the structure is stable, and the electric energy quality is ensured.
Drawings
FIG. 1 is a schematic structural diagram of an automatic power-off switching device according to the present invention;
FIG. 2 is a schematic structural diagram of a housing of an automatic power-off switching device according to the present invention;
FIG. 3 is a schematic structural diagram of a main power supply and a backup power supply of the automatic power-off switching power supply device according to the present invention;
FIG. 4 is a schematic structural diagram of a side view of a mounting plate of the automatic power-off switching apparatus according to the present invention;
FIG. 5 is an enlarged schematic structural diagram of a portion A of an automatic power-off switching apparatus according to the present invention;
fig. 6 is a schematic structural diagram of a top view of a connection portion between a connection pipe and a main power supply and a standby power supply in the automatic power-off switching power supply apparatus according to the present invention.
In the figure: the device comprises a mounting plate 1, a first mounting groove 2, a main power supply 3, a standby power supply 4, a connecting rod 5, a mounting block 6, an electric contact end 7, a supporting rod 8, a connecting pipe 9, an electric contact 10, a third mounting groove 11, a mounting plate 12, a fixing port 13, a sliding groove 14, a through port 15, an arc-shaped head 16, a shell 17, a through groove 18, a flanging 19, a sliding rod 20, a first lead 21, a limiting groove 22, a sliding plate 23, a telescopic spring 24, a yoke layer 25, a permanent magnet 26, a moving rod 27, an electromagnet 28, a second lead 29, a current regulator 30 and a baffle 31.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Referring to fig. 1-6, a power-off automatic switching power supply device, including mounting panel 1 and with mounting panel 1 assorted casing 17, spout 14 has all been seted up on the both sides lateral wall of mounting panel 1, logical groove 18 has been seted up to the lower lateral wall of casing 17, be equipped with on the both sides lateral wall that leads to groove 18 with spout 14 size position assorted turn-ups 19, casing 17 slides in spout 14 through turn-ups 19 and carries out the installation of casing 17, it piles up to have effectively reduced the dust to fall to mounting panel 1, it is convenient for the part on the mounting panel 1 to pass through smoothly when casing 17 installs to set up logical groove 18, the ventilation of the both sides of being convenient for simultaneously, the heat dissipation has been guaranteed.
The mounting plate 1 is provided with a main power supply 3 and a standby power supply 4, the upper side wall of the mounting plate 1 is provided with two first mounting grooves 2, the lower side wall of the mounting plate 1 is provided with two second mounting grooves corresponding to the positions of the first mounting grooves 2, each second mounting groove is larger than the first mounting groove 2, the main power supply 3 and the standby power supply 4 are reversely arranged, more elements are arranged above the mounting plate 1 and are arranged from the lower part of the mounting plate 1, when the main power supply 3 and the standby power supply 4 are replaced conveniently, the upper ends of the main power supply 3 and the standby power supply 4 both penetrate through the first mounting groove 2 and the second mounting groove to extend to the upper part of the mounting plate 1, the lower ends of the main power supply 3 and the standby power supply 4 are both integrally formed with a baffle plate 31, each baffle plate 31 is matched with the size of the second mounting groove, after the main power supply 3 and the standby power supply 4 are inverted, the provision of the baffle plate 31 prevents the main power supply 3 and the backup power supply 4 from being detached from the first mounting groove 2 when they are flipped upside down.
Fixed mouthful 13 has all been seted up on the both sides lateral wall of every mounting panel 12, opening 15 has all been seted up on the inner wall of every spout 14, every opening all communicates with the inner wall of one of them third mounting groove 11, equal sliding connection has slide bar 20 in every opening 15, slide bar 20's both ends extend to the inside of spout 14 and third mounting groove 11 respectively and are equipped with arc head 16, arc head 16 and fixed mouthful 13 big or small phase-match, it conveniently extrudes slide bar 20 to the inside of opening 15 to set up arc head 16 when turn-ups 19 contacts with arc head 16, casing 17 when sliding in spout 14, turn-ups 19 slides extrusion slide bar 20 and slides toward opening 15 in spout 14, slide bar 20's the other end inserts in fixed mouthful 13 on mounting panel 12, mounting panel 12's fixed has been realized, thereby make the fixed more stable to main power supply 3 and stand-by power supply 7.
A switching mechanism is arranged between the main power supply 3 and the standby power supply 4, the switching mechanism comprises a support rod 8, the upper end of the support rod 8 is fixedly connected with a connecting pipe 9, a magnetic yoke layer 25 made of a magnetic yoke material is filled in the inner wall of the connecting pipe, the magnetic yoke layer 25 is arranged to prevent the magnetic field in the connecting pipe 9 from being transmitted to the outside and influencing the work of external electrical components, a moving rod 27 is inserted in the connecting pipe 9, two ends of the moving rod 27 extend to the outside of the connecting pipe 9 and are connected with an electrical contact 10, the upper side walls of the main power supply 3 and the standby power supply 4 are connected with connecting rods 5, a mounting block 6 is welded on the outer wall of each connecting rod 5, one side of each mounting block 6, which is close to the electrical contact 10, is provided with an electrical contact 7 matched with the electrical contact 10, the electrical contact 7 is supported and mounted through the connecting rods 5 and the mounting blocks 6, and the two electrical contacts 7 are respectively communicated with the main power supply 3 and the standby power supply 4, the connection between the main power supply 3 and the backup power supply 4 and the external power equipment is achieved by the connection between the electrical contacts 7 and the electrical contacts 10.
The outer wall of the moving rod 27 is sleeved with a permanent magnet 26, electromagnets 28 are installed on the inner walls of two ends of the connecting pipe 9, the main power supply 3 and the standby power supply 4 are respectively connected with one electromagnet 28 through a first lead 21 and a second lead 29, the two second leads 29 are respectively connected with the positive electrodes of the main power supply 3 and the standby power supply 4, the current flow directions of the two electromagnets 28 are the same, the generated magnetism is the same, and when the magnetism of the two electromagnets 28 is opposite to that of the permanent magnet 26, the permanent magnet 26 is moved towards the middle of the connecting pipe 9 by virtue of the adsorption force between the electromagnets 28 and the permanent magnet 27.
A current regulator 30 is mounted on the second conductor 29, the output currents of the main power supply 3 and the backup power supply 4 are regulated by the current regulator 30, when the output current of the backup power supply 4 is larger than the output current of the main power supply 3, the magnetism on the electromagnet 28 near the backup power supply 4 is larger than the magnetism on the electromagnet 28 near the main power supply 3, thereby achieving that the electromagnet 28 near the main power supply 3 overcomes the magnetism of the electromagnet 28 near the backup power supply 4 and attracts the permanent magnet 26 and the moving rod 27 to move toward one end of the main power supply 3, when the main power supply 3 fails, the current output by the standby power supply 4 is larger than that of the main power supply 3, the magnetic quick-adsorption permanent magnet 26 and the moving rod 27 of the electromagnet 28 close to the standby power supply 4 move towards one end of the standby power supply 4 to realize the connection of the electric contact 10 and the standby power supply 4, and the current regulator 30 adopts a ZT-03C current regulator.
In the invention, a main power supply 3 and a standby power supply 4 are inverted, the upper ends of the main power supply 3 and the standby power supply 4 sequentially pass through a second mounting groove and a first mounting groove 2 and extend to the upper part of a mounting plate 1, when the third mounting groove 11 is ensured to be communicated with the inside of the second mounting groove, the mounting plate 12 is inserted into two third mounting grooves 11 until the two mounting plates 12 are abutted against the lower side walls of baffle plates 31 at the lower ends of the main power supply 3 and the standby power supply 4, so as to clamp and fix the main power supply 3 and the standby power supply 4, two electric contact ends 7 on the main power supply 3 and the standby power supply 4 are positioned at two ends of a connecting pipe 9, the connection of an electromagnet 28 with the main power supply 3 and the standby power supply 4 is completed through a first lead 21 and a second lead 29, magnetism is generated on the electromagnet 26, when the magnetism of the two electromagnets 28 is opposite to that on the permanent magnet 26, the permanent magnet 26 moves the permanent magnet 26 to the middle part of the connecting pipe 9 by the attraction force between the electromagnet 28 and the permanent magnet 27, the output currents of the main power supply 3 and the backup power supply 4 are regulated by a current regulator 30, and when the output current of the backup power supply 4 is larger than the output current of the main power supply 3, the magnetic properties of the electromagnet 28 close to the backup power source 4 are greater than the magnetic properties of the electromagnet 28 close to the main power source 3, thereby realizing that the electromagnet 28 close to the main power supply 3 overcomes the magnetism of the electromagnet 28 close to the standby power supply 4 and adsorbs the permanent magnet 26 and the moving rod 27 to move towards one end of the main power supply 3, realizing that the electric contact 10 at one end of the moving rod 27 is connected with the electric contact 7 on the main power supply 3, realizing the connection of the power supply, when the main power supply 3 fails, the current output by the backup power supply 4 is larger than that of the main power supply 3, and the magnetic quick-adsorption permanent magnet 26 and the moving rod 27 of the electromagnet 28 close to the backup power supply 4 move to one end of the backup power supply 4 to realize the connection of the electric contact 10 and the backup power supply 4.
Although the terms mounting plate 1, first mounting groove 2, main power supply 3, backup power supply 4, connecting rod 5, mounting block 6, electrical contact 7, support rod 8, connecting tube 9, electrical contact 10, third mounting groove 11, mounting plate 12, fixing port 13, sliding slot 14, through opening 15, arced head 16, housing 17, through slot 18, flange 19, sliding rod 20, first conductor 21, retaining slot 22, sliding plate 23, extension spring 24, yoke layer 25, permanent magnet 26, moving rod 27, electromagnet 28, second conductor 29, current regulator 30, baffle 31, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (1)
1. An automatic power switching device for power failure comprises a first mounting plate (1) and a shell (17) matched with the first mounting plate (1), and is characterized in that a main power supply (3) and a standby power supply (4) are arranged on the first mounting plate (1), a switching mechanism is arranged between the main power supply (3) and the standby power supply (4), sliding grooves (14) are formed in the side walls of the two sides of the first mounting plate (1), a through groove (18) is formed in the lower side wall of the shell (17), turned-over edges (19) matched with the sliding grooves (14) in size and position are arranged on the side walls of the two sides of the through groove (18), third mounting grooves (11) are formed in the side walls of the two sides of the first mounting plate (1) relative to the sliding grooves, a second mounting plate (12) is inserted in each third mounting groove (11), and fixing ports (13) are formed in the side walls of the two sides of each second mounting plate (12), the inner wall of each sliding groove (14) is provided with a through hole (15), each through hole is communicated with the inner wall of one third mounting groove (11), a sliding rod (20) is connected in each through hole (15) in a sliding manner, two ends of each sliding rod (20) respectively extend to the inside of the sliding groove (14) and the inside of the third mounting groove (11) and are provided with arc-shaped heads (16), the arc-shaped heads (16) are matched with the fixing holes (13) in size, the inner walls of the upper side and the lower side of each through hole (15) are provided with limiting grooves (22), the upper side wall and the lower side wall of each sliding rod (20) are respectively fixedly connected with sliding plates (23), each sliding plate (23) is positioned in each limiting groove (22) and is connected with the inner wall of each limiting groove (22) in a sliding manner, and a telescopic spring (24) is fixedly connected between each sliding plate (23) and the inner wall of the limiting groove (22) on the side far away from the third mounting groove (11), the utility model discloses a magnetic yoke device, including first mounting panel (1), main power supply (3) and stand-by power supply (4), the last lateral wall of first mounting panel (1) has seted up two first mounting grooves (2), the lower lateral wall of first mounting panel (1) has seted up two second mounting grooves corresponding with first mounting groove (2) position, every the second mounting groove all is greater than first mounting groove (2), main power supply (3) and stand-by power supply (4) adopt the flip-chip, the upper end of main power supply (3) and stand-by power supply (4) all passes first mounting groove (2) and second mounting groove and extends to the top of first mounting panel (1), the lower extreme of main power supply (3) and stand-by power supply (4) all integrated into one piece has baffle (31), every baffle (31) all match with the size of second mounting groove, switching mechanism includes bracing piece (8), the upper end fixedly connected with connecting pipe (9) of bracing piece (8), it has yoke layer (25) that adopt the yoke material to make to fill in the inner wall of connecting pipe, a moving rod (27) is inserted into the connecting pipe (9), two ends of the moving rod (27) extend to the outside of the connecting pipe (9) and are connected with electric contacts (10), the upper side walls of the main power supply (3) and the standby power supply (4) are connected with connecting rods (5), each connecting rod (5) is welded on the outer wall of each installing block (6), one side, close to the electric contacts (10), of each installing block (6) is provided with an electric contact end (7) matched with the position of the electric contact (10), the two electric contact ends (7) are respectively communicated with the main power supply (3) and the standby power supply (4), the outer wall of the moving rod (27) is sleeved with a permanent magnet (26), the inner walls of the two ends of the connecting pipe (9) are provided with electromagnets (28), the main power supply (3) and the standby power supply (4) are respectively connected with one of the electromagnets (28) through a first lead (21) and a second lead (29), the two second leads (29) are respectively connected with the positive electrodes of the main power supply (3) and the standby power supply (4), and a current regulator (30) is installed on the second leads (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603043.7A CN108808837B (en) | 2018-06-12 | 2018-06-12 | Automatic power-off switching power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603043.7A CN108808837B (en) | 2018-06-12 | 2018-06-12 | Automatic power-off switching power supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108808837A CN108808837A (en) | 2018-11-13 |
| CN108808837B true CN108808837B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810603043.7A Active CN108808837B (en) | 2018-06-12 | 2018-06-12 | Automatic power-off switching power supply device |
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| CN (1) | CN108808837B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112829598A (en) * | 2021-02-06 | 2021-05-25 | 靓靓(广州)装饰材料有限公司 | New energy automobile regenerative braking control device |
| CN113485239B (en) * | 2021-06-22 | 2023-06-30 | 郭恩训 | Finger pressing device and control circuit |
| CN115065146B (en) * | 2022-08-15 | 2022-12-13 | 广东电网有限责任公司云浮供电局 | Power-protection conversion device for overhead line and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202034211U (en) * | 2011-04-12 | 2011-11-09 | 山东辉煌电力设备制造有限公司 | Intelligent onload voltage-regulation switch for transformer |
| CN103874379A (en) * | 2012-12-13 | 2014-06-18 | 何锦涛 | Embedded electronic instrument |
| CN204045425U (en) * | 2014-09-16 | 2014-12-24 | 浙江欧迪森电气有限公司 | A kind of magnetic force mechanism for automatically switching of twin-power switch |
-
2018
- 2018-06-12 CN CN201810603043.7A patent/CN108808837B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202034211U (en) * | 2011-04-12 | 2011-11-09 | 山东辉煌电力设备制造有限公司 | Intelligent onload voltage-regulation switch for transformer |
| CN103874379A (en) * | 2012-12-13 | 2014-06-18 | 何锦涛 | Embedded electronic instrument |
| CN204045425U (en) * | 2014-09-16 | 2014-12-24 | 浙江欧迪森电气有限公司 | A kind of magnetic force mechanism for automatically switching of twin-power switch |
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|---|---|
| CN108808837A (en) | 2018-11-13 |
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Denomination of invention: An automatic power switching device after power failure Effective date of registration: 20220720 Granted publication date: 20211130 Pledgee: Bank of China Limited Dongxiang sub branch Pledgor: JIANGXI TUOWANG ELECTRIC CO.,LTD. Registration number: Y2022980010787 |