CN113141001A - Power line based on micro-grid technology - Google Patents
Power line based on micro-grid technology Download PDFInfo
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- CN113141001A CN113141001A CN202110160868.8A CN202110160868A CN113141001A CN 113141001 A CN113141001 A CN 113141001A CN 202110160868 A CN202110160868 A CN 202110160868A CN 113141001 A CN113141001 A CN 113141001A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The invention discloses a power line based on micro-grid technology, belonging to the micro-grid field, wherein the power line is divided into two sections, and is connected with a second breaking ball through a buckle of the first breaking ball and the second breaking ball, after being influenced by external factors, the first breaking ball and the second breaking ball are broken to directly play a role of timely cutting off, thereby greatly reducing the damage degree of equipment and the power line, and being convenient for maintenance, a conduction control line is arranged at the outer side of an anti-interference layer, and is spirally arranged, thereby effectively guiding the heat generated after the circuit is locally heated to the inner parts of the first breaking ball and the second breaking ball, and controlling the separation of the inner positioning blocks thereof, thereby realizing the timely power-off protection function, playing a role of warning through a warning lamp, being convenient for giving a warning effect to users, and further facilitating the timely maintenance, and meanwhile, the maintenance cost is greatly reduced.
Description
Technical Field
The invention relates to the field of micro-grids, in particular to a power line based on micro-grid technology.
Background
The micro-grid is a small power generation and distribution system which is composed of a distributed power supply, an energy storage device, an energy conversion device, a load, a monitoring and protecting device and the like. The micro-grid aims to realize flexible and efficient application of distributed power supplies and solve the problem of grid connection of the distributed power supplies with large quantity and various forms. The micro-grid development and extension can fully promote the large-scale access of distributed power sources and renewable energy sources, realize the high-reliability supply of various energy source types of loads, and is an effective way for realizing an active power distribution network, so that the traditional power grid is transited to a smart power grid;
the power line is a wire that transmits current. The usual way of current transfer is point-to-point transfer. The power line can be divided into an AC power line and a DC power line according to the purpose, generally, the AC power line is a wire rod passing through AC with higher voltage, and the wire rod needs to be unified standard due to higher voltage so as to obtain a safety certification party and can be formally produced.
However, the conventional power line is not used and is easily damaged, and the direct influence is that the passing current is too large, so that local heat generation is easily caused, equipment is short-circuited and damaged, and the maintenance of the equipment and the power line is particularly difficult in order to reduce the damage degree of the equipment and the power line.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a power line based on a microgrid technology, which is characterized in that the power line is divided into two sections and is connected with a second disconnection ball through a buckle of the first disconnection ball, after the influence of external factors, the first disconnection ball and the second disconnection ball are disconnected, so that the timely disconnection effect is directly realized, the damage degree of equipment and the power line is greatly reduced, and the maintenance is convenient, a conduction control line is arranged on the outer side of an anti-interference layer and is spirally arranged, the heat generated after the local heating of the line can be effectively guided to the inner parts of the first disconnection ball and the second disconnection ball, and the separation of an inner positioning block is controlled, so that the timely power-off protection function is realized, the warning effect is realized through a warning lamp, the warning effect is convenient for a user, and the timely maintenance is convenient, and meanwhile, the maintenance cost is greatly reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A power line based on micro-grid technology comprises a power plug, a warning lamp is embedded and connected to the inner portion of the upper surface of the power plug, a first power connecting line is fixedly connected to the left end of the power plug, a first disconnection ball is connected to the left end of the first power connecting line, a second disconnection ball is connected to the left side of the first disconnection ball, a second power connecting line is fixedly mounted to the left end of the second disconnection ball, a charging port is connected to the left side of the second power connecting line, a conduction control line is fixedly connected to the inner portion of the first power connecting line, an anti-interference layer is arranged on the inner side of the conduction control line, a signal control line is fixedly mounted on the inner side of the anti-interference layer, a shielding layer is connected to the inner side of the signal control line, a power line is connected to the inner side of the shielding layer, a connection piece is fixedly mounted on the inner portion of the first disconnection ball, the left end fixed mounting of switch-on piece has the locating piece, the resettlement groove has been seted up to the inside of second disconnected ball, the inside fixed mounting in resettlement groove has control panel, the inside fixed mounting in control panel's right side has the isolation insulating part, the left downside of locating piece is connected with the piece of withholding.
Further, the conduction control line includes the armor, the inboard fixed surface of armor installs first connecting piece, the inboard of first connecting piece is connected with the temperature sensing line, the inboard of temperature sensing line is connected with the second connecting piece, the inner fixedly connected with lag of second connecting piece, the inner fixed mounting of lag has the warning light connecting wire, the inner fixedly connected with of warning light connecting wire links the piece absolutely.
Furthermore, the inside material of first connecting piece and second connecting piece is metallic silver, and the connected mode of first connecting piece and second connecting piece and temperature sensing line is the welding to the temperature sensing line is at the angular distribution such as the outward appearance of lag, and the heat conductivility is strong, makes things convenient for the very first time to detect the situation, and carries out reasonable restoration to it.
Furthermore, the inside material of lag is polyurethane foam, and the penetration of lag has the warning light connecting wire to the warning light connecting wire is connected with temperature sensing line electric property, makes things convenient for the warning light connecting wire to be connected with temperature sensing line's stability, and then just plays the effect of warning.
Furthermore, the inside material of disconnected even piece is aluminium antimony alloy, and the equal angle fixed mounting of the surface of disconnected even piece has the warning light connecting wire, and aluminium antimony alloy melting point is low, is convenient for play power-off protection's effect to the power cord, can effectually prevent that equipment from taking place the short circuit phenomenon.
Furthermore, first power connecting wire constitutes through first disconnected ball and second power connecting wire and dismantles the structure, and the connected mode of first disconnected ball and second disconnected ball is the block connection to realize timely power protection function, and play the effect of warning through the warning light.
Furthermore, the conduction control line is winding type structure in the outside on anti-interference layer, and the conduction control line is inlayed with anti-interference layer and is connected. The signal control line is in angular distribution such as the outside of shielding layer, and the shielding layer is connected for the block with the connected mode of power cord, can be effectual with the circuit heat that produces after local heating, the change of convenient quick perception temperature to convenient rapid processing accident.
Furthermore, the positioning block is connected with the placing groove in a clamping manner, and the positioning block is electrically connected with the control panel. The inside material of isolation insulating part is insulating plastics, and control panel's inside is inlayed and is installed the magnetism and repel each other the device, and isolation insulating part through magnetism repel each other the device and control panel constitution sliding construction, the switch-on and the disconnection of convenient control locating piece.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that
(1) This scheme is through being divided into two sections with the power cord, and be connected through the buckle of first disconnected ball and the disconnected ball of second, after suffering external factors 'influence, the disconnection of first disconnected ball and the disconnected ball of second, directly play the effect of in time cutting off, the damage degree of greatly reduced equipment and power cord, thereby be convenient for maintain, the outside on interference resisting layer is provided with the conduction control line, the conduction control line is the spiral setting, can effectually generate heat after the circuit part, the inside of leading to first disconnected ball and the disconnected ball of second, and the separation of its inside locating piece of control, thereby realize timely outage protect function, and play the effect of warning through the warning light, be convenient for give user's warning effect, thereby convenient timely maintenance, simultaneously greatly reduced cost of maintenance.
(2) The first connecting piece and the second connecting piece are made of metal silver, the first connecting piece and the second connecting piece are connected with the temperature sensing line in a welding mode, the temperature sensing line is distributed at equal angles outside the protective sleeve, the heat conducting capacity is high, the situation of detection at the first time is facilitated, and reasonable repair is conducted on the situation.
(3) The inside material of lag is polyurethane foam, and the penetration of lag has the warning light connecting wire to warning light connecting wire and temperature sensing line electric connection make things convenient for the stable connection of warning light connecting wire and temperature sensing line, and then just play the effect of warning.
(4) The inside material of disconnected even piece is aluminium antimony alloy, and the equal angle fixed mounting of the surface of disconnected even piece has the warning light connecting wire, and aluminium antimony alloy melting point is low, is convenient for play power-off protection's effect to the power cord, can effectually prevent that equipment from taking place short circuit phenomenon.
(5) The first power connecting wire and the second power connecting wire form a dismounting structure through the first disconnection ball, and the first disconnection ball and the second disconnection ball are connected in a clamping mode, so that a timely power-off protection function is realized, and a warning function is achieved through the warning lamp.
(6) The conduction control line is winding type structure in the outside on anti-interference layer, and the conduction control line inlays with anti-interference layer and is connected. The signal control line is in angular distribution such as the outside of shielding layer, and the shielding layer is connected for the block with the connected mode of power cord, can be effectual with the circuit heat that produces after local heating, the change of convenient quick perception temperature to convenient rapid processing accident.
(7) The positioning block is connected with the placing groove in a clamping manner, and the positioning block is electrically connected with the control panel. The inside material of isolation insulating part is insulating plastics, and control panel's inside is inlayed and is installed the magnetism and repel each other the device, and isolation insulating part through magnetism repel each other the device and control panel constitution sliding construction, the switch-on and the disconnection of convenient control locating piece.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a power cord according to the present invention;
FIG. 2 is a schematic cross-sectional view of the first power connection line according to the present invention;
FIG. 3 is a schematic diagram of the overall structure of the connection between the conduction control line and the anti-interference layer according to the present invention;
FIG. 4 is a schematic top view of a conductive control line and interference rejection layer connection according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a schematic sectional view of a first ball and a second ball of the present invention;
fig. 7 is a schematic front sectional view of the first ball and the second ball of the present invention.
The reference numbers in the figures illustrate:
1. a power plug; 2. a warning light; 3. a first power connection line; 4. a first disconnect ball; 5. a second disconnect ball; 6. a second power connection line; 7. a charging port; 8. a conductive control line; 801. an armor layer; 802. a first connecting member; 803. a temperature sensing line; 804. a second connecting member; 805. a protective sleeve; 806. a warning light connecting wire; 807. breaking the connecting piece; 9. an anti-interference layer; 10. a signal control line; 11. a shielding layer; 12. a power line; 13. a switch-on member; 14. positioning blocks; 15. a placing groove; 16. a control panel; 17. an insulating member; 18. and (4) a fastening block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-7, a power cord based on micro-grid technology comprises a power plug 1, a warning light 2 is embedded and connected inside the upper surface of the power plug 1, a first power connecting wire 3 is fixedly connected to the left end of the power plug 1, a first disconnecting ball 4 is connected to the left end of the first power connecting wire 3, a second disconnecting ball 5 is connected to the left side of the first disconnecting ball 4, a second power connecting wire 6 is fixedly mounted to the left end of the second disconnecting ball 5, a charging port 7 is connected to the left side of the second power connecting wire 6, a conductive control wire 8 is fixedly connected inside the first power connecting wire 3, an anti-interference layer 9 is disposed inside the conductive control wire 8, a signal control wire 10 is fixedly mounted inside the anti-interference layer 9, a shielding layer 11 is connected inside the signal control wire 10, a power cord 12 is connected inside the shielding layer 11, a connecting piece 13 is fixedly mounted inside the first disconnecting ball 4, a positioning block 14 is fixedly mounted at the left end of the connecting piece 13, a placing groove 15 is formed in the second disconnecting ball 5, a control panel 16 is fixedly mounted in the placing groove 15, an isolating insulating piece 17 is fixedly mounted in the right side of the control panel 16, and a fastening block 18 is connected to the lower left side of the positioning block 14.
Referring to fig. 4-5, the conductive control line 8 includes an armor layer 801, a first connector 802 is fixedly mounted on an inner surface of the armor layer 801, a temperature sensing line 803 is connected to an inner side of the first connector 802, a second connector 804 is connected to an inner side of the temperature sensing line 803, a protective cover 805 is fixedly connected to an inner end of the second connector 804, a warning light connection line 806 is fixedly mounted to an inner end of the protective cover 805, and a breaking connector 807 is fixedly connected to an inner end of the warning light connection line 806. The first connecting piece 802 and the second connecting piece 804 are made of metal silver, the first connecting piece 802 and the second connecting piece 804 are connected with the temperature sensing line 803 in a welding mode, the temperature sensing line 803 is distributed at equal angles outside the protective sleeve 805, the heat conducting capacity is high, the condition can be detected conveniently at the first time, and the temperature sensing line can be repaired reasonably. The inside material of lag 805 is polyurethane foam, and the penetration of lag 805 has warning light connecting wire 806 to warning light connecting wire 806 and temperature sensing line 803 electric connection make things convenient for the stable connection of warning light connecting wire 806 and temperature sensing line 803, and then just play the effect of warning. The inside material of disconnected even piece 807 is aluminium antimony alloy, and the equal angle fixed mounting of the surface of disconnected even piece 807 has warning light connecting wire 806, and aluminium antimony alloy melting point is low, is convenient for play power-off protection's effect to the power cord, can effectually prevent that equipment from taking place short circuit phenomenon.
Referring to fig. 1-2, the first power connection wire 3 forms a detachable structure with the second power connection wire 6 via the first disconnection ball 4, and the first disconnection ball 4 is connected with the second disconnection ball 5 by a snap-fit connection, so as to achieve a timely power-off protection function and provide a warning function via the warning light.
Referring to fig. 2-3, the conductive control line 8 is wound outside the anti-interference layer 9, and the conductive control line 8 is connected to the anti-interference layer 9 in an embedded manner. The signal control line 10 is in angular distribution such as the outside of shielding layer 11, and the connected mode of shielding layer 11 and power cord 12 is connected for the block, can be effectual with the circuit heat that produces after local heating, the change of convenient quick perception temperature to convenient rapid processing accident.
Referring to fig. 6-7, the positioning block 14 is connected to the positioning slot 15 by a snap-fit connection, and the positioning block 14 is electrically connected to the control panel 16. The isolation insulating part 17 is made of insulating plastic, the control panel 16 is embedded with a magnetic repulsion device, and the isolation insulating part 17 and the control panel 16 form a sliding structure through the magnetic repulsion device, so that the connection and disconnection of the positioning block 14 can be controlled conveniently.
Referring to fig. 1-2, during use, a user first snap-fits the first disconnecting ball 4 and the second disconnecting ball 5, when a connection between the power plug 1 and the socket fails, the conduction control line 8 having a spiral structure is fixedly mounted inside the first power connection line 3 connected to the left end of the power plug 1, the temperature sensing line 803 is disposed inside the conduction control line 8, when the power connection line fails and generates heat, the heat is conducted to the inside of the warning light connection line 806 through the temperature sensing line 803, and under the action of a microgrid, the disconnection between the first disconnecting ball 4 and the second disconnecting ball 5 is controlled conveniently, so that the function of timely disconnection is directly achieved, and the damage degree of equipment and power lines is greatly reduced.
First disconnected continuous ball 4 passes through locating piece 14 location block and installs in the inside of resettlement groove 15 to with control panel 16 electric connection, under the effect of magnetism repellent device, take place to slide in control panel 16 inside through control isolation insulating part 17, thereby make locating piece 14 break away from the connection of resettlement groove 15, thereby be convenient for play the effect of protection to equipment.
The warning lamp 2 plays a warning role, so that the warning effect is conveniently given to a user, the maintenance is convenient and timely, and meanwhile, the maintenance cost is greatly reduced.
The shielding layer 11 is arranged in the anti-interference layer 9, which has good anti-interference effect, so as to complete a series of operations of the power line based on the micro-grid technology, the power line is divided into two sections, and the two sections are connected through the buckle of the first disconnection ball and the second disconnection ball, after being influenced by external factors, the first disconnection ball and the second disconnection ball are disconnected, which directly plays a role of timely cutting off, the damage degree of the equipment and the power line is greatly reduced, thereby facilitating maintenance, the outer side of the anti-interference layer is provided with a conduction control line which is spirally arranged, heat generated after the circuit is locally heated can be effectively conducted to the inner parts of the first disconnection ball and the second disconnection ball, and the separation of the inner positioning blocks is controlled, thereby realizing the timely power-off protection function, playing a role of warning through a warning lamp, and facilitating the warning effect for users, thereby facilitating the timely maintenance and greatly reducing the maintenance cost.
The above are only preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A power cord based on microgrid technology comprises a power plug (1) and is characterized in that: the power plug is characterized in that a warning lamp (2) is embedded in the upper surface of the power plug (1), a first power connecting wire (3) is fixedly connected to the left end of the power plug (1), a first disconnected ball (4) is connected to the left end of the first power connecting wire (3), a second disconnected ball (5) is connected to the left side of the first disconnected ball (4), a second power connecting wire (6) is fixedly mounted at the left end of the second disconnected ball (5), a charging port (7) is connected to the left side of the second power connecting wire (6), a conduction control wire (8) is fixedly connected to the inner portion of the first power connecting wire (3), an anti-interference layer (9) is arranged on the inner side of the conduction control wire (8), a signal control wire (10) is fixedly mounted on the inner side of the anti-interference layer (9), and a shielding layer (11) is connected to the inner side of the signal control wire (10), the inboard of shielding layer (11) is connected with power cord (12), the inside fixed mounting of first disconnected ball (4) has switch-on piece (13), the left end fixed mounting of switch-on piece (13) has locating piece (14), the second is disconnected the inside of ball (5) and has been seted up and has been put groove (15), the inside fixed mounting of putting groove (15) has control panel (16), the inside fixed mounting in right side of control panel (16) has isolation insulation spare (17), the left downside of locating piece (14) is connected with and buckles piece (18).
2. A power line based on microgrid technology, characterized in that: conduction control line (8) include armor (801), the inboard fixed surface of armor (801) installs first connecting piece (802), the inboard of first connecting piece (802) is connected with temperature sensing line (803), the inboard of temperature sensing line (803) is connected with second connecting piece (804), the inner fixedly connected with lag (805) of second connecting piece (804), the inner fixed mounting of lag (805) has warning light connecting wire (806), the inner fixedly connected with of warning light connecting wire (806) links piece (807) absolutely.
3. A power line based on microgrid technology, characterized in that: the first connecting piece (802) and the second connecting piece (804) are made of metal silver, the first connecting piece (802) and the second connecting piece (804) are connected with the temperature sensing lines (803) in a welding mode, and the temperature sensing lines (803) are distributed at equal angles outside the protective sleeve (805).
4. A power line based on microgrid technology, characterized in that: the interior material of lag (805) is polyurethane foam, and the penetration of lag (805) has warning light connecting wire (806), and warning light connecting wire (806) and temperature sensing line (803) electric connection.
5. A power line based on microgrid technology, characterized in that: the inside material of disconnected continuous piece (807) is aluminium antimony alloy, and the equal angle fixed mounting of the surface of disconnected continuous piece (807) has warning light connecting wire (806).
6. A power line based on microgrid technology, characterized in that: the first power supply connecting wire (3) and the second power supply connecting wire (6) form a disassembly structure through the first disconnection ball (4), and the first disconnection ball (4) and the second disconnection ball (5) are connected in a clamping mode.
7. A power line based on microgrid technology, characterized in that: the conduction control line (8) is of a winding structure on the outer side of the anti-interference layer (9), and the conduction control line (8) is connected with the anti-interference layer (9) in an embedded mode.
8. A power line based on microgrid technology, characterized in that: the signal control lines (10) are distributed at equal angles on the outer side of the shielding layer (11), and the shielding layer (11) is connected with the power line (12) in a clamping mode.
9. A power line based on microgrid technology, characterized in that: the positioning block (14) is connected with the placing groove (15) in a clamping manner, and the positioning block (14) is electrically connected with the control panel (16).
10. A power line based on microgrid technology, characterized in that: the isolation insulating part (17) is made of insulating plastics, a magnetic repulsion device is embedded in the control panel (16), and the isolation insulating part (17) and the control panel (16) form a sliding structure through the magnetic repulsion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160868.8A CN113141001B (en) | 2021-02-05 | 2021-02-05 | Power line based on micro-grid technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160868.8A CN113141001B (en) | 2021-02-05 | 2021-02-05 | Power line based on micro-grid technology |
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| CN113141001A true CN113141001A (en) | 2021-07-20 |
| CN113141001B CN113141001B (en) | 2022-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147949A (en) * | 2023-08-22 | 2023-12-01 | 徐州亚泰电机有限公司 | Current alarm device for power supply switch |
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