CN112383023A - Intelligent leakage protector with high-voltage test - Google Patents
Intelligent leakage protector with high-voltage test Download PDFInfo
- Publication number
- CN112383023A CN112383023A CN202011204467.XA CN202011204467A CN112383023A CN 112383023 A CN112383023 A CN 112383023A CN 202011204467 A CN202011204467 A CN 202011204467A CN 112383023 A CN112383023 A CN 112383023A
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- shaped
- arm
- control arm
- transverse
- elastic sheet
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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
- H02H3/26—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
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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
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Abstract
The invention relates to an intelligent leakage protector with a high-voltage test, which comprises a control circuit board, a tripping frame, an L-shaped zero line movable elastic sheet, an L-shaped live line movable elastic sheet, a zero line static contact sheet, a live line static contact sheet and a plug-in bottom plate or a plug-in bottom shell, wherein the control circuit board is connected with the tripping frame through a cable; is characterized by also comprising a first relay, a pressure arm structure, a second relay and a transverse control arm; the pressing arm structure comprises a longitudinal control arm and a transverse pressing arm, the lower parts of two ends of the transverse pressing arm are respectively pressed on the L-shaped zero line movable elastic sheet and the L-shaped fire line movable elastic sheet, and the upper part of the longitudinal control arm is provided with a first U-shaped sliding groove; the extension end of a first iron core of the first relay is arranged in the first U-shaped chute to drive the transverse pressure arm to swing; and a second U-shaped sliding groove is formed in one end of the transverse control arm, and the extending end of a second iron core of the second relay is arranged in the second U-shaped sliding groove to control the other end of the transverse control arm to be separated from or abut against the longitudinal control arm. Has the advantages that: because the high-voltage testing device is provided with the high-voltage testing device, other devices are not needed when the high-voltage testing device is used for high-voltage testing, the operation is simple, and the production cost is saved.
Description
Technical Field
The invention relates to an intelligent leakage protector with a high-voltage test function.
Background
The existing leakage protector does not have the function of high-voltage testing. If the leakage protector needs to perform high-voltage test, other electric devices need to be additionally used, and the operation is troublesome.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an intelligent leakage protector with a high-voltage test, which has the advantages of self high-voltage test, no need of other devices during the high-voltage test and simple operation.
In order to achieve the purpose, the intelligent leakage protector with the high-voltage test is realized in the invention, and comprises a control circuit board, a tripping frame, an L-shaped zero line movable elastic sheet, an L-shaped live line movable elastic sheet, a zero line static contact sheet, a live line static contact sheet and a plug-in bottom plate or a plug-in bottom shell; the plug-in bottom plate or the plug-in bottom shell is provided with a zero line pin and a live line pin, the L-shaped zero line movable elastic piece, the L-shaped live line movable elastic piece, the zero line static contact piece, the live line static contact piece and the tripping frame are arranged on the plug-in bottom plate or the plug-in bottom shell, the L-shaped zero line movable elastic piece is electrically connected with the zero line pin, the end part of the cross arm of the L-shaped zero line movable elastic piece is positioned above the zero line static contact piece, the L-shaped live line movable elastic piece is electrically connected with the live line pin, the end part of the L-shaped live line movable elastic piece is positioned above the live line static contact piece, and the control circuit board is arranged; the device is characterized by also comprising a first relay, a pressure arm structure, a second relay and a transverse control arm; the pressing arm structure is rotatably arranged on the tripping frame and comprises a longitudinal control arm and a transverse pressing wall, two ends of the transverse pressing arm extend out of two sides of the tripping frame and can swing, the lower parts of two ends of the transverse pressing arm respectively press against the L-shaped zero line movable spring piece and the L-shaped fire line movable spring piece so as to control the L-shaped zero line movable spring piece to be disconnected or conducted with the zero line static contact piece and control the L-shaped fire line movable spring piece to be disconnected or conducted with the fire line static contact piece, the longitudinal control arm is arranged in the middle of the transverse pressing arm, and a first U-shaped sliding groove is arranged at the upper part of the longitudinal control arm; the first relay is transversely arranged on the tripping frame, and the extending end of a first iron core of the first relay is arranged in the first U-shaped sliding groove and can move so as to enable the transverse pressing arm to swing; the transverse control arm is rotatably arranged on the tripping frame, one end of the transverse control arm is provided with a second U-shaped sliding groove, and the other end of the transverse control arm can be pressed against the upper end of the longitudinal control arm so as to position the longitudinal control arm; the second relay is longitudinally arranged on the tripping frame, and the extending end of a second iron core of the second relay is arranged in the second U-shaped sliding groove and can move so as to control the other end of the transverse control arm to be separated from or abut against the longitudinal control arm.
In the technical scheme, the longitudinal control arm is inserted and positioned in the middle of the transverse pressing arm, a first rotating position is arranged on one side of the lower part of the longitudinal control arm, a second rotating position is arranged on one side of the transverse pressing arm, and the first rotating position and the second rotating position are arranged on the tripping frame in a rotating mode through the rotating shaft.
In the technical scheme, a triangular sunken position is arranged below the other end of the transverse control arm, a leaning position matched with one side of the sunken position is arranged at the upper end of the longitudinal control arm, and the upper end of the longitudinal control arm can lean against the sunken position.
In the technical scheme, the device also comprises two return springs; the transverse pressing wall is provided with two positioning columns, the lower part of the longitudinal control arm is provided with two grooves, the positioning columns are inserted into the corresponding grooves to position the longitudinal control arm and the transverse pressing wall, the reset spring is sleeved on the corresponding positioning columns and located in the grooves, one end of the reset spring abuts against the transverse pressing arm, and the other end of the reset spring abuts against the longitudinal control arm.
In the technical scheme, the lower parts of the two ends of the transverse pressing arm are inclined avoiding inclined planes, and when the L-shaped zero line movable elastic sheet and the L-shaped fire line movable elastic sheet are bounced, the avoiding inclined planes are pressed against the L-shaped zero line movable elastic sheet and the L-shaped fire line movable elastic sheet.
Compared with the prior art, the invention has the advantages that: because the high-voltage testing device is provided with the high-voltage testing device, other devices are not needed when the high-voltage testing device is used for high-voltage testing, the operation is simple, and the production cost is saved.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a schematic structural view of the present invention (the other end of the transverse control arm is pressed against the upper end of the longitudinal control arm);
FIG. 3 is a schematic diagram of the structure of the deletion control circuit board of FIG. 2;
FIG. 4 is an enlarged view of the press arm structure of FIG. 1;
FIG. 5 is an enlarged view of the lateral control arm of FIG. 1;
FIG. 6 is a left side view of FIG. 2;
FIG. 7 is a top view of FIG. 2;
FIG. 8 is a cross-sectional view A-A of FIG. 6 (with the other end of the transverse control arm pressed against the upper end of the longitudinal manipulation arm);
FIG. 9 is a cross-sectional view A-A of FIG. 6 (with the other end of the lateral control arm disengaged from the upper end of the longitudinal steering arm);
FIG. 10 is a cross-sectional view B-B of FIG. 7 (with the other end of the transverse control arm pressed against the upper end of the longitudinal manipulation arm);
fig. 11 is a schematic view of the present invention (with the other end of the lateral control arm detached from the upper end of the longitudinal steering arm).
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, the terms "longitudinal", "lateral", "upper" and "lower" etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 11, the intelligent leakage protector with high voltage test comprises a control circuit board 1, a pressing arm structure 2, a first relay 3, a second relay 4, a transverse control arm 5, a tripping frame 6, an L-shaped zero line movable elastic sheet 7, an L-shaped fire line movable elastic sheet 9, a zero line static contact 10, a fire line static contact 12 and a bottom board or a bottom case 13;
the plug-in bottom plate or plug-in bottom shell 13 is provided with a null line pin 15, a ground line pin and a live line pin 16, the L-shaped null line movable elastic sheet 7, the L-shaped ground line movable elastic sheet 8, the L-shaped live line movable elastic sheet 9, a null line static contact sheet 10, a ground line static contact sheet 11, a live line static contact sheet 12 and a tripping frame 6 are all arranged on the plug-in bottom plate or plug-in bottom shell 13, the lower part of a longitudinal arm of the L-shaped null line movable elastic sheet 7 is plugged in and electrically connected with an extending end of the null line pin 15, the end part of a transverse arm of the L-shaped null line movable elastic sheet 7 is positioned above the null line static contact sheet 10, the lower part of the longitudinal arm of the L-shaped ground line movable elastic sheet 11 is plugged in and electrically connected with the extending end of the ground line pin, the end part of the transverse arm of the L-shaped ground line movable elastic sheet 11 is positioned above the ground line static contact, the end part of the cross arm of the L-shaped live wire movable elastic sheet 9 is positioned above the live wire static contact 12;
the control circuit board 1 is arranged on the tripping frame 6;
the pressing arm structure 2 is rotatably arranged on the tripping frame 6, and the pressing arm structure 2 comprises a longitudinal control arm 21 and a transverse pressing wall 22; the two ends of the transverse pressing arm 22 extend out of the two sides of the tripping frame 6 and can swing, the lower part of one end of the transverse pressing arm 22 is pressed against the L-shaped zero line movable elastic sheet 7 to control the L-shaped zero line movable elastic sheet 7 to be disconnected or communicated with the zero line static contact 10, the lower part of the other end of the transverse pressing arm 22 is pressed against the L-shaped fire line movable elastic sheet 9 to control the L-shaped fire line movable elastic sheet 9 to be disconnected or communicated with the fire line static contact 12, and the lower part of the middle part of the transverse pressing arm 22 is pressed against the L-shaped ground line movable elastic sheet 8 to control the L-shaped ground line movable elastic sheet 8 to be disconnected or communicated with the ground line static contact 11; the longitudinal control arm 21 is arranged in the middle of the transverse pressing wall 22, and a first U-shaped sliding groove 212 is arranged at the upper part of the longitudinal control arm 21; a first mounting position 61 is arranged on the trip frame 6, the first relay 3 is transversely arranged on the trip frame 6 and is positioned in the first mounting position 61, the extending end of a first iron core 31 of the first relay 3 is arranged in a first U-shaped sliding groove 212 and can move, so that the first iron core 31 can pull the longitudinal control arm 21 to drive the transverse pressing wall 22 to swing, and accordingly the L-shaped zero line movable elastic sheet 7 is controlled to be disconnected or conducted with the zero line static contact 10, the L-shaped fire line movable elastic sheet 9 is controlled to be disconnected or conducted with the fire line static contact 12, and the L-shaped ground line movable elastic sheet 8 is controlled to be disconnected or conducted with the ground line static contact 11;
the transverse control arm 5 is rotatably arranged on the tripping frame 6, one end of the transverse control arm 5 is provided with a second U-shaped sliding groove 51, and the other end of the transverse control arm 5 can be pressed on the upper end of the longitudinal control arm 21 so as to position the longitudinal control arm 21; and a second mounting position 62 is arranged on the trip frame 6, the second relay 4 is longitudinally arranged on the trip frame 6 and is positioned in the second mounting position 62, and a second iron core 41 of the second relay 4 is arranged in the second U-shaped sliding groove 51 and can move so as to control the other end of the transverse control arm 5 to be separated from or abut against the longitudinal control arm 21.
When the relay works, if the relay works normally, the first relay 3 is electrified to work, and the second relay 4 is not electrified to work; the first iron core 31 contracts to drive the longitudinal control arm 21 to swing towards the first relay 3, at the moment, the transverse pressing wall 22 swings to press the L-shaped zero line movable elastic sheet 7, the L-shaped ground line movable elastic sheet 8 and the L-shaped fire line movable elastic sheet 9 downwards, so that the L-shaped zero line movable elastic sheet 7 is in contact electrical connection with the zero line static contact 10, the L-shaped ground line movable elastic sheet 8 is in contact electrical connection with the ground line static contact 11, and the L-shaped fire line movable elastic sheet 9 is in contact electrical connection with the fire line static contact 12, the other end of the transverse control arm 5 is under the action of gravity, the other end of the transverse control arm 5 is in contact with the upper end of the longitudinal control arm 21, the longitudinal control arm 21 is positioned, and the purpose of electrical connection is achieved. When the electric leakage condition occurs, the first relay 3 is not operated when power is lost, and the second relay 4 is operated when power is supplied; an iron core 41 of the second relay 4 pulls one end of the transverse control arm 5, so that the other end of the transverse control arm 5 is raised upwards, the other end of the transverse control arm 5 is separated from the upper end of the longitudinal control arm 21, at the moment, the first relay 3 does not generate suction force on the first iron core 31, the transverse pressing arm 22 swings upwards under the action of elastic forces of the L-shaped zero line movable elastic sheet 7, the L-shaped ground line movable elastic sheet 8 and the L-shaped live line movable elastic sheet 9, the longitudinal control arm 21 swings along with the transverse pressing arm 22, the L-shaped zero line movable elastic sheet 7 is separated from the zero line static contact 10, the L-shaped ground line movable elastic sheet 8 is separated from the ground line static contact 11, and the L-shaped live line movable elastic sheet 9 is separated from the live line static contact 12, and the purpose of. When the high-voltage test is needed, the second relay 4 is not operated when power is lost, the other end of the transverse control arm 5 is under the action of gravity, the other end of the transverse control arm 5 is pressed on the upper end of the longitudinal control arm 21 to longitudinally position the longitudinal control arm 21, and the L-shaped zero line movable elastic sheet 7 is electrically connected with the zero line static contact 10 in a touching manner, the L-shaped ground line movable elastic sheet 8 is electrically connected with the ground line static contact 11 in a touching manner, and the L-shaped fire line movable elastic sheet 9 is electrically connected with the fire line static contact 12 in a touching manner, so that the high-voltage test is not influenced even if the first relay 3 is not operated when power.
In this embodiment, as shown in fig. 4 and 10, for the convenience of installation, the longitudinal control arm 21 is inserted and positioned in the middle of the transverse pressing wall 22, a first rotation position 213 is provided at one side of the lower portion of the longitudinal control arm 21, a second rotation position 223 is provided at the middle of one side of the transverse pressing arm 22, and the first rotation position 213 and the second rotation position 223 are rotatably provided on the trip frame 6 through the rotating shaft 17, so that the longitudinal control arm 21 and the transverse pressing wall 22 can swing simultaneously.
In the present embodiment, as shown in fig. 3, 5, 8 and 10, in order to make the other end of the transverse control arm 5 better fit with the upper end of the longitudinal control arm 21, a triangular recessed position 52 is provided below the other end of the transverse control arm 5, an abutting position 211 matching with the recessed position 52 is provided at the upper end of the longitudinal control arm 21, and the upper end of the longitudinal control arm 21 can abut against the recessed position 52.
In this embodiment, as shown in fig. 4 and 10, two return springs 14 are further included; two positioning columns 223 are arranged on the transverse pressing arm 22, two grooves 214 are arranged at the lower part of the longitudinal control arm 21, the positioning columns 223 are inserted into the corresponding grooves 214, so that the longitudinal control arm 21 is inserted into the transverse pressing arm 22, the return spring 14 is sleeved on the corresponding positioning columns 223 and is positioned in the grooves 214, one end of the return spring 14 abuts against the transverse pressing arm 22, and the other end of the return spring 14 abuts against the longitudinal control arm 21, so that the longitudinal control arm 21 is elastically inserted into the transverse pressing arm 22.
In this embodiment, as shown in fig. 4 and 11, the lower portions of the two ends and the lower portion of the middle portion of the transverse pressing arm 22 are inclined avoidance inclined planes 221, when the L-shaped zero line moving elastic piece 7, the L-shaped ground line moving elastic piece 8 and the L-shaped fire line moving elastic piece 9 are bounced, the L-shaped zero line moving elastic piece 7, the L-shaped ground line moving elastic piece 8 and the L-shaped fire line moving elastic piece 9 push the transverse pressing arm 22 to swing upward, and at this time, the avoidance inclined planes 221 are pressed against the L-shaped zero line moving elastic piece 7, the L-shaped ground line moving elastic piece 8 and the L-shaped fire line moving elastic piece 9.
In this embodiment, the "L" shaped ground movable contact strip 8 and the ground static contact strip 11 may be deleted.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.
Claims (5)
1. An intelligent leakage protector with a high-voltage test comprises a control circuit board (1), a tripping frame (6), an L-shaped zero line movable elastic sheet (7), an L-shaped live line movable elastic sheet (9), a zero line static contact sheet (10), a live line static contact sheet (12) and a plug-in bottom plate or a plug-in bottom shell (13); a zero line pin (15) and a live line pin (16) are arranged on the plug-in bottom plate or the plug-in bottom shell (13), the L-shaped zero line movable elastic sheet (7), the L-shaped live line movable elastic sheet (9), the zero line static contact sheet (10), the live line static contact sheet (12) and the tripping frame (6) are arranged on the plug-in bottom plate or the plug-in bottom shell (13), the L-shaped zero line movable elastic sheet (7) is electrically connected with the zero line pin (15), the end part of a cross arm of the L-shaped zero line movable elastic sheet (7) is positioned above the zero line static contact sheet (10), the L-shaped live line movable elastic sheet (9) is electrically connected with the live line pin (16), the end part of the cross arm of the L-shaped live line movable elastic sheet (9) is positioned above the live line static contact sheet (12), and the control circuit board (1) is arranged on the tripping frame (6; the device is characterized by also comprising a first relay (3), a pressure arm structure (2), a second relay (4) and a transverse control arm (5); the pressing arm structure (2) is rotatably arranged on the tripping frame (6), the pressing arm structure (2) comprises a longitudinal control arm (21) and a transverse pressing arm (22), two ends of the transverse pressing arm (22) extend out of two sides of the tripping frame (6) and can swing, the lower parts of two ends of the transverse pressing arm (22) are respectively pressed on the L-shaped zero line movable elastic sheet (7) and the L-shaped live line movable elastic sheet (9) in a propping manner so as to control the L-shaped zero line movable elastic sheet (7) to be disconnected or conducted with the zero line static contact sheet (10) and control the L-shaped live line movable elastic sheet (9) to be disconnected or conducted with the live line static contact sheet (12), the longitudinal control arm (21) is arranged in the middle of the transverse pressing arm (22), and a first U-shaped sliding groove (212) is arranged at the upper part of the longitudinal control arm (21); the first relay (3) is transversely arranged on the tripping frame (6), and the extending end of a first iron core (31) of the first relay (3) is arranged in the first U-shaped sliding groove (212) and can move so as to drive the transverse pressing arm (22) to swing; the transverse control arm (5) is rotatably arranged on the tripping frame (6), one end of the transverse control arm (5) is provided with a second U-shaped sliding groove (51), and the other end of the transverse control arm (5) can be pressed against the upper end of the longitudinal control arm (21) so as to position the longitudinal control arm (21); the second relay (4) is longitudinally arranged on the tripping frame (6), and the extending end of a second iron core (41) of the second relay (4) is arranged in the second U-shaped sliding groove (51) and can move so as to control the other end of the transverse control arm (5) to be separated from or abut against the longitudinal control arm (21).
2. The intelligent leakage protector with high voltage test according to claim 1, wherein the longitudinal control arm (21) is inserted and positioned in the middle of the transverse pressing arm (22), a first rotation position (213) is arranged on one side of the lower part of the longitudinal control arm (21), a second rotation position (223) is arranged on one side of the transverse pressing arm (22), and the first rotation position (213) and the second rotation position (223) are rotatably arranged on the trip frame (6) through the rotating shaft (17).
3. The intelligent leakage protector with high voltage test according to claim 1, wherein a triangular recessed position (52) is arranged below the other end of the transverse control arm (5), an abutting position (211) matched with the recessed position (52) is arranged at the upper end of the longitudinal control arm (21), and the upper end of the longitudinal control arm (21) can abut against the recessed position (52).
4. The intelligent leakage protector with high voltage test according to claim 2, further comprising two return springs (14); the transverse pressing arm (22) is provided with two positioning columns (223), the lower portion of the longitudinal control arm (21) is provided with two grooves (214), the positioning columns (223) are inserted into the corresponding grooves (214) to enable the longitudinal control arm (21) and the transverse pressing arm (22) to be positioned, the reset spring (14) is sleeved on the corresponding positioning columns (223) and located in the grooves (214), one end of the reset spring (14) abuts against the transverse pressing arm (22), and the other end of the reset spring (14) abuts against the longitudinal control arm (21).
5. The intelligent leakage protector with high voltage test according to claim 1 or 2, wherein the lower parts of the two ends of the transverse pressing arm (22) are provided with inclined avoidance slopes (221), and when the L-shaped zero line moving spring (7) and the L-shaped live line moving spring (9) are bounced, the avoidance slopes (221) are pressed against the L-shaped zero line moving spring (7) and the L-shaped live line moving spring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204467.XA CN112383023A (en) | 2020-11-02 | 2020-11-02 | Intelligent leakage protector with high-voltage test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204467.XA CN112383023A (en) | 2020-11-02 | 2020-11-02 | Intelligent leakage protector with high-voltage test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112383023A true CN112383023A (en) | 2021-02-19 |
Family
ID=74577553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011204467.XA Pending CN112383023A (en) | 2020-11-02 | 2020-11-02 | Intelligent leakage protector with high-voltage test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112383023A (en) |
-
2020
- 2020-11-02 CN CN202011204467.XA patent/CN112383023A/en active Pending
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