CN114050565B - Emergency circuit protection device with self-checking function before circuit connection - Google Patents
Emergency circuit protection device with self-checking function before circuit connection Download PDFInfo
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- CN114050565B CN114050565B CN202210034104.9A CN202210034104A CN114050565B CN 114050565 B CN114050565 B CN 114050565B CN 202210034104 A CN202210034104 A CN 202210034104A CN 114050565 B CN114050565 B CN 114050565B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/005—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too low isolation resistance, too high load, short-circuit; earth fault
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides an emergency circuit protection device with a self-checking function before circuit connection, which comprises a box body, a push-out mechanism, a connecting mechanism, a circuit board and a protective shell, wherein a first interface used for connecting external equipment is arranged outside the box body, the first interface is electrically connected with the connecting mechanism, a containing cavity is arranged in the box body, the push-out mechanism extends into the first interface, a power-on detection module electrically connected with the connecting mechanism is arranged on the circuit board, the protective shell is fixedly connected with the box body and shields the containing cavity, a second interface is arranged on the protective shell, when the power-on detection module detects that the external equipment connected into the first interface has a short circuit, the connecting mechanism is disconnected, and the push-out mechanism pushes out a plug of the external equipment to disconnect the plug of the external equipment from the first interface; the invention adopts the push-out mechanism to push away the short-circuited equipment plug in time, and simultaneously adopts the connecting mechanism to control the conduction of the internal circuit so as to increase the safety, and the multiple protection is favorable for the safe use of user equipment.
Description
Technical Field
The invention relates to the technical field of circuit protection devices, in particular to an emergency circuit protection device with a self-checking function before circuit connection.
Background
The emergency circuit protection device is a device which is connected in a circuit and plays a role in protecting abnormal conditions, such as short circuit, open circuit, phase failure and the like of the circuit, the circuit is self-checked under the condition that abnormal work occurs, whether the conditions of short circuit, open circuit, phase failure and the like occur or not is rapidly judged, and the maintenance personnel can rapidly solve the problems conveniently.
When equipment circuit breaks down, equipment is still in the state of inserting and establishing on the socket, and the user can not in time notice equipment breaks down (generally speaking, the user just can respond when equipment has appeared smoking or peculiar smell), if carry out equipment power supply cutting off this moment, can't rescue equipment again, the inside circuit board of equipment has been burnt this moment, equipment can't be repaired, if the user leaves of equipment electricity at present, directly smoke when equipment breaks down and fire the burning room, both kinds of situations can lead to the user to be lost disastrous.
Therefore, it is necessary to provide an emergency circuit protection device with a self-checking function before circuit connection to solve the above problems.
Disclosure of Invention
In order to solve the above problems, the present invention provides an emergency circuit protection device having a self-checking function before circuit connection.
The invention is realized by the following technical scheme:
the invention provides an emergency circuit protection device with a self-checking function before circuit connection, which comprises a box body, a push-out mechanism, a connecting mechanism, a circuit board and a protective shell, wherein a first interface for connecting external equipment is arranged outside the box body, the first interface is electrically connected with the connecting mechanism, a containing cavity is arranged in the box body, the push-out mechanism, the connecting mechanism and the circuit board are all fixedly contained in the containing cavity, the push-out mechanism extends into the first interface, the circuit board is provided with an electrifying detection module electrically connected with the connecting mechanism, the protective shell is fixedly connected with the box body and shields the containing cavity, the protective shell is provided with a second interface which is used for connecting commercial power and is electrically connected with the circuit board, and when the electrifying detection module detects that the external equipment connected with the first interface is short-circuited, the connection mechanism is disconnected, and the pushing-out mechanism pushes out the plug of the external equipment to disconnect the plug from the first interface.
Further, the ejecting mechanism includes drive arrangement, support frame, slider, pushing assembly, first elastic component, support frame fixed connection in accomodate on the intracavity wall, drive arrangement with support frame fixed connection and with the slider lead screw is connected, the slider with support frame sliding connection, the pushing assembly with support frame sliding connection and part extend to in the first interface, the slider with the pushing assembly is inclined plane sliding connection, first elastic component one end with the support frame butt, the first elastic component other end with the pushing assembly butt.
Furthermore, the pushing assembly comprises a connecting plate and a pushing plate, the pushing plate is vertically and fixedly connected with the connecting plate, and the sliding piece is in sliding connection with the pushing plate.
Furthermore, a first guide surface is arranged on the connecting plate, a second guide surface is arranged on the sliding part, and the first guide surface is aligned with the second guide surface.
Further, coupling mechanism includes base, conducting rod, second elastic component, electro-magnet, the electro-magnet with the circuit board electricity is connected, base one end with first interface electricity is connected, the base other end with the circuit board electricity is connected, conducting rod one end with the base is articulated, be equipped with the collets on the conducting rod, second elastic component one end with collets fixed connection, the second elastic component other end with the base butt, electro-magnet fixed connection in base upper surface and vertical orientation the conducting rod, the conducting rod below is equipped with the iron plate, the iron plate orientation the electro-magnet.
Furthermore, be equipped with first live wire connecting rod, first zero line connecting rod on the first interface, be equipped with live wire access position, zero line access position on the base, live wire access position with the conducting rod electricity is connected, first live wire connecting rod with live wire access position electricity is connected, first zero line connecting rod with zero line access position electricity is connected.
Furthermore, be equipped with the live wire on the base and connect out the position, the zero line connects out the position, be equipped with first live wire access port, first zero line access port on the circuit board, the live wire connect out the position with first live wire access port electricity is connected, the zero line connect out the position with first zero line access port electricity is connected.
Furthermore, a connecting boss is arranged on the base, and the connecting boss is electrically connected with the live wire outlet and aligned with the conducting rod.
Furthermore, the emergency circuit protection device with the self-checking function before circuit connection further comprises a storage battery, and the storage battery is fixedly connected with the box body and electrically connected with the circuit board.
Further, be equipped with display screen and pilot lamp on the box, the display screen is located first interface top, the pilot lamp is located display screen one side, the display screen with the pilot lamp all with the circuit board electricity is connected.
The invention has the beneficial effects that:
1. the invention adopts the push-out mechanism to push away the short-circuited equipment plug in time; after the power-on detection module on the circuit board detects that a short circuit occurs in the inserted equipment, the circuit board issues a driving instruction to the driving device, at the moment, the driving device rotates to drive the sliding part to slide downwards to drive the pushing assembly to slide in the horizontal direction, at the moment, the pushing plate slides outwards in the first interface to push away the plug of the equipment to the outside of the first interface, and the safe use of the user equipment is facilitated;
2. the invention adopts the connecting mechanism to control the conduction of the internal circuit so as to increase the safety; after the power-on detection module on the circuit board detects that short circuit occurs in the inserted equipment, the circuit board disconnects the electric connection of the electromagnet on the connecting mechanism, the electromagnet does not adsorb an iron block below the conducting rod, the second elastic piece recovers and pushes the conducting rod away from the connecting boss, so that the conducting rod is not electrically connected with the live wire connecting position, namely the power failure of the inside of the equipment is realized when the pushing mechanism does not push the plug of the equipment, and the multiple protection is favorable for the safe use of user equipment;
to sum up, this urgent circuit protection device who possesses self-checking function before the circuit switch-on has adopted ejecting mechanism in time to push away the equipment plug of short circuit, has adopted coupling mechanism to control and then increase the security to switching on of internal line simultaneously, and multiple protection is favorable to user equipment's safe handling.
Drawings
Fig. 1 is an exploded view of an emergency circuit protection device with a self-test function before circuit connection according to the present invention;
fig. 2 is an overall schematic diagram of the emergency circuit protection device with a self-checking function before circuit connection according to the present invention;
fig. 3 is a schematic diagram of the emergency circuit protection device with a self-checking function before circuit connection according to the present invention when the push-out mechanism is pushed out;
fig. 4 is an internal schematic diagram of the emergency circuit protection device with a self-checking function before circuit connection according to the present invention;
fig. 5 is a schematic diagram of a connection mechanism of the emergency circuit protection device with a self-checking function before circuit connection according to the present invention;
fig. 6 is a schematic circuit board diagram of the emergency circuit protection device with a self-checking function before circuit connection according to the present invention;
fig. 7 is a schematic diagram of a slider of the emergency circuit protection device with a self-test function before circuit connection according to the present invention;
fig. 8 is a schematic diagram of a connection board of the emergency circuit protection device with a self-checking function before circuit connection according to the present invention;
fig. 9 is an internal schematic diagram of the emergency circuit protection device with a self-test function before circuit connection according to the present invention;
FIG. 10 is an enlarged partial view of FIG. 4 labeled A;
fig. 11 is a schematic diagram of the slider of the emergency circuit protection device with the self-checking function before circuit connection according to the present invention, connected to the pushing assembly;
fig. 12 is a cross-sectional view of an emergency circuit protection device having a self-test function before circuit connection according to the present invention.
Detailed Description
In order to more clearly and completely describe the technical scheme of the invention, the invention is further described with reference to the accompanying drawings.
Referring to fig. 1-12, the present invention provides an emergency circuit protection device with a self-checking function before circuit connection, which includes a case 1, a push-out mechanism 2, a connection mechanism 3, a circuit board 4, and a protection shell 5, wherein a first interface 11 for connecting an external device is disposed outside the case 1, the first interface 11 is electrically connected to the connection mechanism 3, a receiving cavity 12 is disposed inside the case 1, the push-out mechanism 2, the connection mechanism 3, and the circuit board 4 are all fixedly received in the receiving cavity 12, the push-out mechanism 2 extends into the first interface 11, a power-on detection module 41 electrically connected to the connection mechanism 3 is disposed on the circuit board 4, the protection shell 5 is fixedly connected to the case 1 and shields the receiving cavity 12, a second interface 51 for connecting to a commercial power and electrically connected to the circuit board 4 is disposed on the protection shell 5, when the power-on detection module 41 detects a short circuit of an external device connected to the first interface 11, the connection mechanism 3 is disconnected and the push-out mechanism 2 pushes out the plug of the external device to be disconnected from the first interface 11.
In the present embodiment:
the box body 1 is used for providing a protection structure for the push-out mechanism 2, the connecting mechanism 3 and the circuit board 4;
the first interface 11 is used for providing an electric connection position for external equipment to access the invention;
the pushing-out mechanism 2 is used for pushing the plug of the external equipment away from the first interface 11;
the connecting mechanism 3 is used for connecting or disconnecting the first interface 11 and the circuit board 4;
the circuit board 4 is a main control board of the invention, and is provided with a display module, a driving module and a data processing module, wherein the data processing module is respectively electrically connected with the display module, the driving module and the power-on detection module 41, the driving module is electrically connected with the driving device 21, and the display module is electrically connected with the display screen 13;
the power-on detection module 41 is configured to detect a circuit condition inside the device after the external device is connected to the first interface 11, and when detecting, the power-on detection module 41 sends a current that does not damage the device to the device, and if the fed-back current value is within a preset value range, the device is normal, otherwise, the device is abnormal;
the protective shell 5 is used for providing a protective structure for the push-out mechanism 2, the connecting mechanism 3 and the circuit board 4;
the second interface 51 is used for connecting the mains supply;
specifically, after the power-on detection module 41 on the circuit board 4 detects that a short circuit occurs inside the inserted device, the circuit board 4 issues a driving command to the driving device 21, at this time, the driving device 21 rotates to drive the sliding member 23 to slide downward to drive the pushing assembly 24 to slide in the horizontal direction, at this time, the pushing plate 242 slides outward in the first interface 11 to push the plug of the device away from the first interface 11, which is beneficial to the safe use of the user device;
after the power-on detection module 41 on the circuit board 4 detects that a short circuit occurs inside the inserted device, the circuit board 4 disconnects the electrical connection of the electromagnet 34 on the connection mechanism 3, at this time, the electromagnet 34 does not adsorb the iron block 321 below the conductive rod 32, the second elastic member 33 recovers and pushes the conductive rod 32 away from the connection boss 315, so that the conductive rod 32 is not electrically connected with the live wire connection position 313, that is, the power failure of the inside of the device is already realized when the pushing mechanism 2 does not push the plug of the device away, and the multiple protection is favorable for the safe use of the user device;
to sum up, this urgent circuit protection device who possesses self-checking function before the circuit switch-on has adopted ejecting mechanism in time to push away the equipment plug of short circuit, has adopted coupling mechanism to control and then increase the security to switching on of internal line simultaneously, and multiple protection is favorable to user equipment's safe handling.
Further, the pushing mechanism 2 comprises a driving device 21, a supporting frame 22, a sliding part 23, a pushing assembly 24 and a first elastic part 25, the supporting frame 22 is fixedly connected to the inner wall of the accommodating cavity 12, the driving device 21 is fixedly connected with the supporting frame 22 and connected with a screw rod of the sliding part 23, the sliding part 23 is slidably connected with the supporting frame 22, the pushing assembly 24 is slidably connected with the supporting frame 22 and partially extends into the first interface 11, the sliding part 23 is slidably connected with the pushing assembly 24 in an inclined plane, one end of the first elastic part 25 is abutted to the supporting frame 22, and the other end of the first elastic part 25 is abutted to the pushing assembly 24; the pushing assembly 24 comprises a connecting plate 241 and a pushing plate 242, the pushing plate 242 is vertically and fixedly connected with the connecting plate 241, and the sliding piece 23 is slidably connected with the pushing plate 242; the connecting plate 241 is provided with a first guide surface 2411, the slider 23 is provided with a second guide surface 231, and the first guide surface 2411 is aligned with the second guide surface 231.
In the present embodiment:
the driving device 21 is a small-sized direct current speed reduction motor and is used for driving the sliding piece 23 to slide up and down;
the support frame 22 is used for providing a supporting structure for the driving device 21;
the sliding part 23 is used for sliding and driving the pushing component 24 to slide;
the second guide surface 231 is used for enabling the sliding piece 23 to be staggered with the first guide surface 2411 when sliding downwards and pushing the connecting plate 241 to slide;
the pushing assembly 24 is used for pushing the plug of the equipment to be separated from the first interface 11;
the connecting plate 241 is used for transmitting the power of the slider 23 to the pushing plate 242;
the first guide surface 2411 is for converting the sliding force of the slider 23 into the urging force of the push plate 242;
the pushing plate 242 is used for pushing a plug of the device to be separated from the first interface 11, a plurality of supporting rods 2421 are arranged on the pushing plate 242, and the supporting rods 2421 penetrate through the first elastic element 25 and are fixedly connected with the connecting plate 241;
the first elastic members 25 are coil springs, the number of which is the same as that of the support rods, and are used for providing an elastic structure for the restoration of the push plate 242;
specifically, when the sliding member 23 slides upwards, the second guiding surface 231 is separated from the abutment with the first guiding surface 2411, at this time, the first elastic member 25 is restored and drives the connecting plate 241 to slide backwards, and the connecting plate 241 slides backwards and drives the pushing plate 242 to retract into the first interface 11.
Further, the connecting mechanism 3 includes a base 31, a conductive rod 32, a second elastic member 33, and an electromagnet 34, where the electromagnet 34 is electrically connected to the circuit board 4, one end of the base 31 is electrically connected to the first interface 11, the other end of the base 31 is electrically connected to the circuit board 4, one end of the conductive rod 32 is hinged to the base 31, an insulating block is disposed on the conductive rod 32, one end of the second elastic member 33 is fixedly connected to the insulating block, the other end of the second elastic member 33 is abutted to the base 31, the electromagnet 34 is fixedly connected to the upper surface of the base 31 and vertically faces the conductive rod 32, an iron block 321 is disposed below the conductive rod 32, and the iron block 321 faces the electromagnet 34; the first interface 11 is provided with a first live wire connecting rod 111 and a first zero line connecting rod 112, the base 31 is provided with a live wire access position 311 and a zero line access position 312, the live wire access position 311 is electrically connected with the conductive rod 32, the first live wire connecting rod 111 is electrically connected with the live wire access position 311, and the first zero line connecting rod 112 is electrically connected with the zero line access position 312; the base 31 is provided with a live wire connecting position 313 and a zero wire connecting position 314, the circuit board 4 is provided with a first live wire access port 42 and a first zero wire access port 43, the live wire connecting position 313 is electrically connected with the first live wire access port 42, and the zero wire connecting position 314 is electrically connected with the first zero wire access port 43; the base 31 is provided with a connection boss 315, and the connection boss 315 is electrically connected to the live wire outlet 313 and aligned with the conductive rod 32.
In the present embodiment:
the base 31 is used for providing a stable supporting structure for the conducting rod 32, the second elastic element 33 and the electromagnet 34;
the live wire access position 311 is made of a conductive material and is used for electrically connecting the first live wire connecting rod 111, and the first live wire connecting rod 111 is made of a conductive material;
the neutral access location 312 is made of a conductive material and is configured to electrically connect to the first neutral connecting rod 112, and the first neutral connecting rod 112 is made of a conductive material;
the live wire connecting position 313 is made of a conductive material and is used for electrically connecting the first live wire inlet 42;
the zero line connecting position 314 is made of a conductive material and is used for electrically connecting the first zero line inlet 43;
the connection boss 315 is made of a conductive material and is used for forming an electrical connection with the live wire connection position 313;
the conductive rod 32 is made of a conductive material and is used for electrically connecting the live wire connection position 311 with the live wire connection position 313, a connecting sheet is arranged on the conductive rod 32, and the connecting sheet is abutted to the connecting boss 315 when the electromagnet 34 adsorbs the iron block 321;
the iron block 321 is used for driving the conductive rod 32 to press down, the surface of the iron block 321 is adhered with an insulating material, and the iron block 321 is embedded into the mounting groove below the conductive rod 32;
the second elastic member 33 is used for providing an elastic supporting structure for the resetting of the conducting rod 32;
the electromagnet 34 is used for attracting the iron block 321;
specifically, the electromagnet 34 is normally open, when the device is not inserted into the first interface 11, the conductive rod 32 is already in contact with the connection boss 315, that is, the first interface 11 is already in a conducting state at this time, after the short circuit inside the inserted device is detected by the energization detecting module 41 on the circuit board 4, the circuit board 4 disconnects the electrical connection of the electromagnet 34 on the connection mechanism 3, at this time, the electromagnet 34 does not adsorb the iron block 321 below the conductive rod 32, the second elastic member 33 recovers and pushes the conductive rod 32 away from the connection boss 315, so that the conductive rod 32 is not electrically connected with the live wire connection position 313, that is, the inside of the device is already powered off when the pushing mechanism 2 does not push away the plug of the device, and multiple protection is favorable for safe use of user equipment.
Further, the emergency circuit protection device with the self-checking function before circuit connection comprises a storage battery 6, wherein the storage battery 6 is fixedly connected with the box body 1 and is electrically connected with the circuit board 4; be equipped with display screen 13 and pilot lamp 14 on the box 1, display screen 13 is located first interface 11 top, and pilot lamp 14 is located display screen 13 one side, and display screen 13 all is connected with circuit board 4 electricity with pilot lamp 14.
In the present embodiment:
the storage battery 6 is used for providing an emergency power supply for the circuit board 4, and can still supply power for the external equipment for a short time when the external equipment is connected to the first interface 11 and the connection with the mains supply is disconnected, so that the external equipment is prevented from being suddenly powered off to damage internal elements;
the display 13 is used for displaying the state of the external device when the first interface 11 is accessed;
the indicator light 14 is used for providing indication for a user;
specifically, when the external device is connected to the first interface 11, if a short circuit occurs inside the device, the display 13 displays the current state of the device, and the indicator light 14 lights a red light.
Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.
Claims (9)
1. An emergency circuit protection device with a self-checking function before circuit connection is characterized by comprising a box body, a push-out mechanism, a connecting mechanism, a circuit board and a protective shell, wherein a first interface used for connecting external equipment is arranged on the outer side of the box body, the first interface is electrically connected with the connecting mechanism, a containing cavity is arranged in the box body, the push-out mechanism, the connecting mechanism and the circuit board are all fixedly contained in the containing cavity, the push-out mechanism extends into the first interface, an electrifying detection module electrically connected with the connecting mechanism is arranged on the circuit board, the protective shell is fixedly connected with the box body and shields the containing cavity, a second interface used for connecting commercial power and electrically connected with the circuit board is arranged on the protective shell, and when the electrifying detection module detects that the external equipment connected with the first interface is short-circuited, coupling mechanism disconnection just release mechanism pushes out external equipment's plug make its with first interface disconnection, release mechanism includes drive arrangement, support frame, slider, promotion subassembly, first elastic component, support frame fixed connection in accomodate on the intracavity wall, drive arrangement with support frame fixed connection and with the slider lead screw is connected, the slider with support frame sliding connection, promote the subassembly with support frame sliding connection and part extend to in the first interface, the slider with it is inclined plane sliding connection to promote the subassembly, first elastic component one end with the support frame butt, the first elastic component other end with promote the subassembly butt.
2. The emergency circuit protection device with the function of self-checking before circuit connection according to claim 1, wherein the pushing assembly comprises a connecting plate and a pushing plate, the pushing plate is vertically and fixedly connected with the connecting plate, and the sliding member is slidably connected with the pushing plate.
3. The emergency circuit protection device with the function of self-checking before circuit connection according to claim 2, wherein a first guide surface is provided on the connecting plate, a second guide surface is provided on the sliding member, and the first guide surface is aligned with the second guide surface.
4. The emergency circuit protection device with the function of self-checking before circuit connection according to claim 1, wherein the connecting mechanism comprises a base, a conductive rod, a second elastic member and an electromagnet, the electromagnet is electrically connected with the circuit board, one end of the base is electrically connected with the first interface, the other end of the base is electrically connected with the circuit board, one end of the conductive rod is hinged to the base, an insulating block is arranged on the conductive rod, one end of the second elastic member is fixedly connected with the insulating block, the other end of the second elastic member is abutted to the base, the electromagnet is fixedly connected to the upper surface of the base and vertically faces the conductive rod, an iron block is arranged below the conductive rod, and the iron block faces the electromagnet.
5. The emergency circuit protection device with the pre-circuit-connection self-checking function according to claim 4, wherein the first interface is provided with a first live wire connecting rod and a first zero line connecting rod, the base is provided with a live wire access position and a zero line access position, the live wire access position is electrically connected with the conductive rod, the first live wire connecting rod is electrically connected with the live wire access position, and the first zero line connecting rod is electrically connected with the zero line access position.
6. The emergency circuit protection device with the self-checking function before circuit connection according to claim 4, wherein the base is provided with a live wire connection outlet and a zero wire connection outlet, the circuit board is provided with a first live wire inlet and a first zero wire inlet, the live wire connection outlet is electrically connected with the first live wire inlet, and the zero wire connection outlet is electrically connected with the first zero wire inlet.
7. The emergency circuit protection device with the self-checking function before circuit connection according to claim 6, wherein the base is provided with a connection boss, and the connection boss is electrically connected with the live wire outlet and aligned with the conductive rod.
8. The emergency circuit protection device with the self-checking function before circuit connection according to claim 1, further comprising a storage battery, wherein the storage battery is fixedly connected with the box body and electrically connected with the circuit board.
9. The emergency circuit protection device with the pre-circuit-on self-checking function according to claim 1, wherein a display screen and an indicator light are arranged on the box body, the display screen is located above the first interface, the indicator light is located on one side of the display screen, and the display screen and the indicator light are electrically connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034104.9A CN114050565B (en) | 2022-01-12 | 2022-01-12 | Emergency circuit protection device with self-checking function before circuit connection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210034104.9A CN114050565B (en) | 2022-01-12 | 2022-01-12 | Emergency circuit protection device with self-checking function before circuit connection |
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| CN114050565A CN114050565A (en) | 2022-02-15 |
| CN114050565B true CN114050565B (en) | 2022-05-20 |
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| CN115799909B (en) * | 2022-12-05 | 2023-10-13 | 江苏长实基业电气科技有限公司 | Power failure reporting single-phase carrier module connector with limiting and locking functions |
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| CN2223528Y (en) * | 1994-12-05 | 1996-03-27 | 周开元 | Automatic plug and socket disconnecting socket system |
| CN2282277Y (en) * | 1996-09-02 | 1998-05-20 | 周先祥 | Safety power source socket for protective household electric appliance |
| JP2002271973A (en) * | 2001-03-09 | 2002-09-20 | Lecip Corp | Transformer for lighting discharge lamp with protecting function |
| CN201185279Y (en) * | 2008-03-06 | 2009-01-21 | 张克清 | Earth leakage protection plug |
| CN101860047B (en) * | 2009-04-11 | 2014-07-23 | 鸿富锦精密工业（深圳）有限公司 | Charging system and corresponding electronic device as well as charging device and automatic power off method |
| US8147091B2 (en) * | 2009-12-22 | 2012-04-03 | Lightel Technologies Inc. | Linear solid-state lighting with shock protection switches |
| TWM464912U (en) * | 2012-09-24 | 2013-11-01 | quan-yuan Chen | Power supply overload device |
| CN206893915U (en) * | 2017-06-27 | 2018-01-16 | 福建守源新能源科技有限公司 | A kind of electric automobile charging pile charging socket locking system |
| CN110867707B (en) * | 2019-09-23 | 2021-04-16 | 德清县诚达金属材料有限公司 | Overload protection type socket |
| CN111785595B (en) * | 2020-08-04 | 2022-02-22 | 贵州电网有限责任公司 | High-voltage drop fuse quick release device |
| CN111952796A (en) * | 2020-08-12 | 2020-11-17 | 夏帅虎 | Overcurrent protection plug with self-detection function |
| CN112332398A (en) * | 2020-10-29 | 2021-02-05 | 义乌君保贸易有限公司 | Circuit protection device capable of preventing influence on data transmission due to electric leakage |
| CN113555922B (en) * | 2021-07-01 | 2022-12-06 | 深圳市联科利隆电子科技有限公司 | Auxiliary device for preventing short circuit from causing loss for wireless charging of mobile communication equipment |
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