CN110620311B - Automatic breaking safety plug capable of preventing overvoltage - Google Patents
Automatic breaking safety plug capable of preventing overvoltage Download PDFInfo
- Publication number
- CN110620311B CN110620311B CN201911029493.0A CN201911029493A CN110620311B CN 110620311 B CN110620311 B CN 110620311B CN 201911029493 A CN201911029493 A CN 201911029493A CN 110620311 B CN110620311 B CN 110620311B
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- live wire
- zero line
- shell
- conductive
- memory spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/717—Structural association with built-in electrical component with built-in light source
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an automatic circuit-breaking safety plug capable of preventing overvoltage, which comprises a shell, wherein a connecting frame is fixedly connected in the front end of the shell, and connecting holes are correspondingly formed in two ends of the connecting frame. The invention is characterized in that a connecting frame provided with a live wire inserting piece and a zero line inserting piece is fixedly arranged in a shell, a moving frame provided with a live wire conducting strip and a zero line conducting strip is movably arranged, a left conducting wire, a right conducting wire, the live wire conducting strip and the zero line conducting strip form a conducting path, and a memory spring with deformation performance is arranged on the moving frame and a connecting frame support through a conducting block.
Description
Technical Field
The invention relates to the technical field of power plug protection, in particular to an automatic disconnection safety plug capable of preventing overvoltage.
Background
The connector of a common electronic product and the plug of an electrical appliance are called as plugs. A plug and socket for domestic AC power supply has a male connector in the shape of rod or copper plate and a female connector-type power supply socket with slot or concave hole. The plug of producing in traditional manufacturing generally adopts the mode of lug connection conductor wire to live wire inserted sheet and zero line inserted sheet, recycles insulating housing and seals the protection to the two link, when in-service use, as long as will extend to live wire inserted sheet and zero line inserted sheet and insert the socket, be the connection of electric lines power through metal live wire inserted sheet and zero line inserted sheet that have conductive property, the structure is simple and easy, and is convenient for operation and maintenance.
However, when the conventional plug is plugged, because of the hidden troubles of poor contact, wrong plugging and the like, especially when the external power supply has unstable voltage, a user is difficult to pull out the plug from the socket at the moment of overvoltage short circuit, so that metal parts in the plug are easily heated and burnt, the electric appliance is easily burnt, the whole short circuit of the circuit is easily broken down, and more importantly, the user is very likely to get an electric shock because of not being in time to get out of hand, and serious potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the problem that overvoltage protection is difficult to provide for a connecting circuit plug in the prior art, and provides an automatic circuit-breaking safety plug capable of preventing overvoltage.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic circuit breaking safety plug capable of preventing overvoltage comprises a shell, a connecting frame is fixedly connected in the front end of the shell, connecting holes are correspondingly formed in two ends of the connecting frame, two live wire inserting pieces and zero wire inserting pieces extending out of the front end of the shell are respectively and fixedly sleeved in one ends of the connecting holes, guide rods are fixedly arranged in two sides of the shell, guide sleeves are respectively sleeved on the two guide rods in a sliding manner, a moving frame is integrally connected between the two guide sleeves, a live wire conducting piece and a zero wire conducting piece which are matched with the live wire inserting pieces and the zero wire inserting pieces are respectively sleeved in two sides of the moving frame, a conducting block and an indicator lamp which are electrically connected are respectively and fixedly arranged in the middle of the moving frame, a left conducting wire is connected between the indicator lamp and the live wire inserting pieces, a right conducting wire is connected between the conducting block and the zero wire inserting pieces, and a memory spring is connected between the conducting block and the connecting frame, the movable frame is integrally connected with a traction block, and two outer wire conductors respectively connected with the live wire conducting strip and the zero line conducting strip are installed in the tail end of the shell.
Preferably, the movable frame is movably arranged between the two guide rods, and the movable frame horizontally corresponds to the connecting frame.
Preferably, the one end that the removal frame was kept away from to the live wire conducting strip offsets with the live wire inserted sheet activity, and the one end that the removal frame was kept away from to the zero line conducting strip offsets with the zero line inserted sheet activity.
Preferably, the conductive block is made of graphite with a silver paint layer cast on the surface.
Preferably, the memory spring is a nickel titanium alloy.
Preferably, transparent glass corresponding to the indicator light is installed in the middle of the shell, and a through hole for slidably sleeving the traction block is formed in the middle of the shell.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the connecting frame is fixedly arranged in the front end of the shell, so that the live wire insertion piece and the zero line insertion piece are respectively and fixedly arranged in the connecting frame; but through the removal frame of movable mounting horizontal migration on the guide bar that sets up in the casing both sides, and install respectively at the removal frame and correspond complex live wire conducting strip and zero line conducting strip with live wire inserted sheet and zero line inserted sheet, through removing the frame at guide bar horizontal migration to make live wire conducting strip and zero line conducting strip respectively with live wire inserted sheet and zero line inserted sheet counterbalance connection realize electrically conductive.
2. The movable frame is respectively provided with the conductive block and the indicator lamp, and the left and right leads and the live wire conductive sheet and the zero line conductive sheet which are connected in an abutting and electrifying way form a conductive path; through connecting memory spring on the conducting block, lead to memory spring temperature to reach the abnormal temperature value when the circuit voltage is too high, then can make memory spring carry out the form and extend the change to make the movable block move to casing end position, thereby make live wire conducting strip and live wire inserted sheet, zero line conducting strip and zero line inserted sheet phase separation, provide overvoltage protection to the plug with opening a circuit.
3. The invention sets the indicator light in the conductive path of the movable frame, and judges the electrifying condition of the conductive circuit through the indicator light; the shell is provided with a through hole to movably sleeve the traction block connected with the movable frame, thereby reducing or even avoiding the trouble of dismounting the shell.
In summary, the invention is characterized in that the housing is fixedly provided with the connecting frame provided with the live wire insertion piece and the zero line insertion piece, the movable frame provided with the live wire conducting strip and the zero line conducting strip is movably arranged, the conducting block and the indicating lamp are arranged on the movable frame, the left conducting wire, the right conducting wire, the live wire conducting strip and the zero line conducting strip form a conducting path, the conducting block is provided with the memory spring with deformation performance on the movable frame and the connecting frame support, when the live wire conducting strip and the zero line conducting strip are abutted against the live wire insertion piece and the zero line insertion piece and are electrified and the voltage is overlarge, the memory spring is heated to an abnormal temperature value, the memory spring with deformation extension drives the movable frame to move on the guide rod, so that the live wire conducting strip is separated from the live wire insertion piece, the zero line conducting strip and the zero line insertion piece, and the open circuit provides overvoltage protection for the plug.
Drawings
Fig. 1 is a schematic structural diagram of an automatic disconnection safety plug capable of preventing overvoltage according to the present invention;
FIG. 2 is an enlarged view of a portion A of the automatic cutout safety plug for preventing overvoltage according to the present invention;
fig. 3 is an external view of an automatic disconnection safety plug according to the present invention.
In the figure: the wire feeding device comprises a shell 1, a connecting frame 2, a connecting hole 3, a live wire inserting piece 4, a zero line inserting piece 5, a guide rod 6, a guide sleeve 7, a moving frame 8, a live wire conducting piece 9, a zero line conducting piece 10, a conducting block 11, an indicator lamp 12, a left conducting wire 13, a right conducting wire 14, a memory spring 15, a traction block 16, transparent glass 17, a through hole 18 and an external wire 19.
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.
Referring to fig. 1-3, an overvoltage-proof safety plug with automatic circuit breaking function comprises a housing 1, a connecting frame 2 is fixedly connected in the front end of the housing 1, connecting holes 3 are correspondingly formed in two ends of the connecting frame 2, a live wire insertion piece 4 and a zero wire insertion piece 5 extending out of the front end of the housing 1 are respectively fixedly sleeved in one end of each of the two connecting holes 3, guide rods 6 are fixedly arranged in two sides of the housing 1, guide sleeves 7 are respectively sleeved on the two guide rods 6 in a sliding manner, a moving frame 8 is integrally connected between the two guide sleeves 7, referring to the attached figure 1, when the guide sleeves 7 drive the moving frame 8 to be located at one side position of the guide rods 6 close to the front end of the housing 1, a live wire conductive piece 9 is abutted against the live wire insertion piece 4, a zero wire conductive piece 10 is abutted against the zero wire insertion piece 5 in the connecting state, when the live wire insertion piece 4 and the zero wire insertion piece 5 are inserted into a socket, power supply can be realized through the plug, remove and overlap respectively in 8 both sides of frame and be equipped with live wire conducting strip 9 and zero line conducting strip 10 with live wire inserted sheet 4 and zero line inserted sheet 5 matched with, and remove 8 middle parts and fix conducting block 11 and the pilot lamp 12 that is equipped with electric connection respectively, when the plug normally supplies power, pilot lamp 12 lights all the time, show that the plug can normally be circular telegram and use promptly, be connected with left wire 13 between pilot lamp 12 and the live wire inserted sheet 4, and be connected with right wire 14 between conducting block 11 and the zero line inserted sheet 5, be connected with memory spring 15 between conducting block 11 and the link 2, an organic whole is connected with traction block 16 on the removal frame 8, and install two outer output lines 19 that are connected with live wire conducting strip 9 and zero line conducting strip 10 respectively in the casing 1 end, outer output line 19 is used for being connected with the electrical apparatus that needs the power supply, for electrical apparatus provides the power.
Remove 8 activities of frame and be located between two guide bars 6, and remove 2 levels of frame 8 and link and correspond, the one end that the frame 8 was kept away from to live wire conducting strip 9 offsets with the 4 activities of live wire inserted sheet, and the one end that the frame 8 was kept away from to zero line conducting strip 10 offsets with the 5 activities of zero line inserted sheet, under memory spring 15's tension effect, use link 2 to support as the fulcrum and remove frame 8 and carry out the motion of being close to or keeping away from link 2 in casing 1, thereby realize live wire conducting strip 9 and live wire inserted sheet 4, zero line conducting strip 10 is connected with zero line inserted sheet 5 or not.
The conductive block 11 is made of graphite with a silver paint layer cast on the surface, and it should be noted that the graphite material has a good electric conduction property, and the silver paint layer has an excellent thermal conductivity, so that when the conductive block 11 made of graphite is electrified and heated, heat can be quickly transferred to the memory spring 15 through the silver paint layer.
The 1 mid-mounting of casing has the transparent glass 17 corresponding with pilot lamp 12, the optional toughened glass material to in observing pilot lamp 16, and the through-hole 18 of traction block 16 is established to the slip cap seted up at 1 middle part of casing, so that manual operation removes frame 8 and link 2 and is close to mutually, thereby live wire conducting strip 9 offsets with live wire inserted sheet 4, zero line conducting strip 10 and zero line inserted sheet 5 and is connected.
The invention can be illustrated by the following operating modes:
firstly, referring to the accompanying drawing 1 specifically, the moving frame 8 is moved to one side of the front end of the housing 1 through the traction block 16, and because the memory spring 15 keeps a short shape, the moving frame 8 drives the live wire conducting strip 9 and the zero line conducting strip 10 to move to the connecting frame 2 through the two guide sleeves 7 by taking the two guide rods 6 as guides;
secondly, when the live wire conducting strip 9 and the zero line conducting strip 10 are driven to simultaneously enter the two connecting holes 3 on the connecting frame 2 respectively, the live wire conducting strip 9 is connected with the live wire inserting piece 4 in an abutting mode, and the zero line conducting strip 10 is connected with the zero line inserting piece 5 in an abutting mode;
thirdly, the plug is connected with the power supply through the live wire inserting sheet 4 and the zero line inserting sheet 5:
on one hand, when the voltage of the connected circuit is consistent with the preset voltage, the indicating lamp 12 emits light through the current of the conductive block 11 and the indicating lamp 12, and the heat transferred to the memory spring 15 through the conductive block 11 does not reach the metamorphosis temperature value of the memory spring 15, so that the circuit is smooth, and the plug can provide a safe power supply for the electric appliance;
on the other hand, when the connected circuit voltage does not accord with the preset voltage, namely when the circuit voltage is overlarge, the current passing through the conductive block 11 is overlarge, the conductive block 11 is heated rapidly, the conductive block 11 transfers heat to the memory spring 15, the memory spring 15 is heated rapidly, when the memory spring 15 reaches an abnormal temperature value, the memory spring 15 begins to extend, the memory spring 15 supports the movable conductive block 11 towards one side of the tail end of the shell 1 by taking the connecting frame 2 as a fulcrum, the conductive block 11 pushes the movable frame 8, the movable frame 8 drives the guide sleeve 7 to move on the guide rod 6 in the same direction, the movable frame 8 drives the live wire conductive plate 9 and the null line conductive plate 10 to move backwards, the live wire conductive plate 9 is disconnected with the live wire insertion piece 4, the null line conductive plate 10 is disconnected with the null line insertion piece 5, and under the condition, the plug is in an open circuit state.
It should be noted that when the circuit voltage is too low, the indicator light 12 cannot be supplied with sufficient current, and the plug will not turn on the power supply for the appliance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The automatic circuit-breaking safety plug capable of preventing overvoltage comprises a shell (1) and is characterized in that a connecting frame (2) is fixedly connected in the front end of the shell (1), connecting holes (3) are correspondingly formed in two ends of the connecting frame (2), two live wire insertion pieces (4) and zero wire insertion pieces (5) extending out of the front end of the shell (1) are respectively and fixedly sleeved in one end of each connecting hole (3), guide rods (6) are fixedly arranged in two sides of the shell (1), guide sleeves (7) are respectively sleeved on the two guide rods (6) in a sliding manner, a moving frame (8) is integrally connected between the two guide sleeves (7), live wire conductive pieces (9) and zero wire conductive pieces (10) matched with the live wire insertion pieces (4) and the zero wire insertion pieces (5) are respectively sleeved in two sides of the moving frame (8), and a conductive block (11) and an indicator lamp (12) which are electrically connected are respectively and fixedly arranged in the middle of the moving frame (8), a left lead (13) is connected between the indicator lamp (12) and the live wire insertion piece (4), a right lead (14) is connected between the conductive block (11) and the zero line insertion piece (5), a memory spring (15) is connected between the conductive block (11) and the connecting frame (2), a traction block (16) is integrally connected to the moving frame (8), and two outer transmission wires (19) respectively connected with the live wire conductive piece (9) and the zero line conductive piece (10) are installed in the tail end of the shell (1);
the moving frame (8) is movably arranged between the two guide rods (6), and the moving frame (8) horizontally corresponds to the connecting frame (2);
one end, far away from the moving frame (8), of the live wire conducting strip (9) is movably abutted against the live wire inserting piece (4), and one end, far away from the moving frame (8), of the zero line conducting strip (10) is movably abutted against the zero line inserting piece (5);
the conductive block (11) is made of graphite with a silver paint layer cast on the surface;
the memory spring (15) is nickel-titanium alloy;
transparent glass (17) corresponding to the indicator light (12) is arranged in the middle of the shell (1), and a through hole (18) for slidably sleeving the traction block (16) is formed in the middle of the shell (1);
when the voltage of the connected circuit is consistent with the preset voltage, the indicating lamp (12) is enabled to emit light through the current of the conductive block (11) and the indicating lamp (12), and the heat transmitted to the memory spring (15) through the conductive block (11) does not reach the metamorphosis temperature value of the memory spring (15), so that the circuit is smooth, and the plug can provide a safe power supply for the electric appliance;
when the connected circuit voltage does not accord with the preset voltage, namely the circuit voltage is overlarge, the current passing through the conductive block (11) is overlarge, the conductive block (11) rapidly heats up, the conductive block (11) transfers heat to the memory spring (15), the memory spring (15) rapidly heats up, when the memory spring (15) reaches an abnormal temperature value, the memory spring (15) begins to extend, the memory spring (15) supports the movable conductive block (11) to one side of the tail end of the shell (1) by taking the connecting frame (2) as a fulcrum, the conductive block (11) pushes the movable frame (8), the movable frame (8) drives the guide sleeve (7) to move on the guide rod (6) in the same direction, the movable frame (8) drives the live wire conductive plate (9) to move backwards with the zero line (10), so that the live wire conductive plate (9) is disconnected with the live wire insertion plate (4), and the zero line insertion plate (10) is disconnected with the zero line insertion plate (5), in this case, the plug is in the open state;
when the circuit voltage is too low, the indicator lamp (12) cannot be supplied with enough current, and the plug cannot be used for powering the electric appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911029493.0A CN110620311B (en) | 2019-10-28 | 2019-10-28 | Automatic breaking safety plug capable of preventing overvoltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911029493.0A CN110620311B (en) | 2019-10-28 | 2019-10-28 | Automatic breaking safety plug capable of preventing overvoltage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110620311A CN110620311A (en) | 2019-12-27 |
| CN110620311B true CN110620311B (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911029493.0A Active CN110620311B (en) | 2019-10-28 | 2019-10-28 | Automatic breaking safety plug capable of preventing overvoltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110620311B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203386686U (en) * | 2013-08-08 | 2014-01-08 | 东莞市凯恩电子科技有限公司 | Recoverable fuse |
| CN207442112U (en) * | 2017-11-30 | 2018-06-01 | 东莞市高格电子有限公司 | A kind of connecting line with insurance function |
| CN208753653U (en) * | 2018-08-06 | 2019-04-16 | 天津和宏线材有限公司 | A kind of plug with overheating protection function |
-
2019
- 2019-10-28 CN CN201911029493.0A patent/CN110620311B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203386686U (en) * | 2013-08-08 | 2014-01-08 | 东莞市凯恩电子科技有限公司 | Recoverable fuse |
| CN207442112U (en) * | 2017-11-30 | 2018-06-01 | 东莞市高格电子有限公司 | A kind of connecting line with insurance function |
| CN208753653U (en) * | 2018-08-06 | 2019-04-16 | 天津和宏线材有限公司 | A kind of plug with overheating protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110620311A (en) | 2019-12-27 |
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Effective date of registration: 20211102 Address after: 224200 No.20, electronic information industrial park, Anfeng Town, Dongtai City, Yancheng City, Jiangsu Province Applicant after: UNICA (JIANGSU) INTEGRATION ELECTRICAL Co.,Ltd. Address before: 730000 No. 967, Anning East Road, Lanzhou City, Gansu Province Applicant before: Cheng Shaoyun |
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