CN212322929U - Special residual current circuit breaker for frequency converter - Google Patents
Special residual current circuit breaker for frequency converter Download PDFInfo
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- CN212322929U CN212322929U CN202020649480.5U CN202020649480U CN212322929U CN 212322929 U CN212322929 U CN 212322929U CN 202020649480 U CN202020649480 U CN 202020649480U CN 212322929 U CN212322929 U CN 212322929U
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- circuit breaker
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- residual current
- current circuit
- pressure sensor
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Abstract
The utility model relates to a leakage circuit breaker technical field, more specifically say and relate to a special leakage circuit breaker of converter, including leakage circuit breaker body and answer mechanism, answer mechanism includes the protection baffle, the protection baffle is installed battery, pressure sensor and siren, pressure sensor, siren and battery electric connection, answer mechanism through the trigger bar with leakage circuit breaker body connection, leakage circuit breaker body is equipped with operating handle and spys out the groove, spy out the top of groove and seted up the through-hole, the trigger bar with the through-hole sliding connection; the utility model discloses a circuit of battery, pressure sensor and siren is started to the trigger bar, and the siren sounds, reminds corresponding personnel in time to resume the power consumption of converter normal.
Description
Technical Field
The utility model relates to a residual current circuit breaker technical field, more specifically say so and relate to a special residual current circuit breaker of converter.
Background
The circuit breaker is a switching device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time, the electric leakage circuit breaker collects signals through a voltage collector and a current collector which are arranged in the circuit breaker to judge the electricity utilization condition of equipment, and when the electricity utilization condition is abnormal, the circuit breaker is automatically broken. For the frequency converter, when the circuit is disconnected and relevant personnel do not find the circuit in time, the restarting circuit cannot be overhauled in time, and the frequency converter cannot be restarted in time.
SUMMERY OF THE UTILITY MODEL
To the weak point of above-mentioned prior art, the utility model provides a special residual current circuit breaker of converter for solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a special electric leakage circuit breaker of converter, includes electric leakage circuit breaker body and answer mechanism, answer mechanism is including the protection baffle, battery, pressure sensor and siren are installed to the protection baffle, pressure sensor the siren with battery electric connection, answer mechanism pass through the trigger bar with this body coupling of electric leakage circuit breaker, the electric leakage circuit breaker body is equipped with operating handle and explores the groove, the through-hole has been seted up to the top of exploring the groove, the trigger bar with through-hole sliding connection.
Preferably, the trigger bar comprises a main shaft, a trigger plate and an extrusion bar, the through hole comprises an upper through hole and a lower through hole, the main shaft is connected with the upper through hole in a sliding manner, and the extrusion bar is connected with the lower through hole in a sliding manner.
Preferably, the main shaft is provided with a displacement limiting sheet.
Preferably, the trigger lever is provided with a return baffle and a return spring, one end of the return spring is fixedly connected with the return baffle, and the other end of the return spring is fixedly connected with the protective partition plate.
Preferably, the operating handle is provided with a transverse handle, and the height of the transverse handle is larger than the distance from the top end of the probing groove to the bottom end of the lower through hole.
The utility model has the advantages that:
when the frequency converter is disconnected due to abnormal power utilization, the operating handle jumps from the lower part of the detection groove to the upper part of the detection groove, the operating handle jumps to the upper part of the detection groove to drive the trigger rod to move and press the trigger rod to the pressure sensor, the storage battery and the pressure sensor are connected with a circuit of the alarm, and the alarm gives out sound to remind corresponding personnel to restore the normal power utilization of the frequency converter in time; simultaneously, the leakage circuit breaker body, the storage battery, the pressure sensor and the alarm are arranged at different ends of the protective partition plate, and mutual interference influence is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments protected by the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of the protective barrier;
FIG. 3 is a top view of the spindle;
FIG. 4 is a schematic structural view of the trigger bar and the through hole;
FIG. 5 is a schematic view of the connection of a pressure sensor to an alarm;
in the drawings, the reference numerals denote the following components:
1-leakage circuit breaker body, 2-protective partition board, 3-storage battery, 4-pressure sensor, 5-alarm, 6-trigger rod, 11-operating handle, 12-detecting groove, 13-upper through hole, 14-lower through hole, 61-main shaft, 62-trigger plate, 63-extrusion rod, 64-displacement limiting piece, 65-restoring baffle, 66-reset spring and 111-transverse handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5, a special residual current circuit breaker of converter, including residual current circuit breaker body 1 and return mechanism, return mechanism includes protective barrier 2, protective barrier 2 installs battery 3, pressure sensor 4 and siren 5, pressure sensor 4, siren 5 and battery 3 electric connection, return mechanism passes through trigger bar 6 and is connected with residual current circuit breaker body 1, residual current circuit breaker body 1 is equipped with operating handle 11 and stretches out groove 12, the through-hole has been seted up to the top of stretching out groove 12, trigger bar 6 and through-hole sliding connection. When the frequency converter is disconnected due to abnormal power utilization, the operating handle 11 jumps to the position above the detection groove 12 from the position below the detection groove 12, the operating handle 11 jumping to the position above the detection groove 12 enables the trigger rod 6 to move and press the pressure sensor 4, the storage battery 3 and the pressure sensor 4 are connected with the circuit of the alarm 5, and the alarm 5 makes a sound to remind corresponding personnel of recovering the normal power utilization of the frequency converter in time. The residual current circuit breaker body 1, the storage battery 3, the pressure sensor 4 and the alarm 5 are arranged at different ends of the protective partition plate 2 and are not interfered mutually.
The trigger rod 6 comprises a main shaft 61, a trigger plate 62 and an extrusion rod 63, the through hole comprises an upper through hole 13 and a lower through hole 14, the main shaft 61 is connected with the upper through hole 13 in a sliding mode, and the extrusion rod 63 is connected with the lower through hole 14 in a sliding mode.
Wherein, the main shaft 61 is provided with a displacement limiting sheet 64. When the inverter is disconnected due to an abnormal power consumption condition, the operating handle 11 jumps from below the protruding groove 12 to above the protruding groove 12, and the displacement restricting piece 64 prevents the pressing rod 63 from excessively moving into the lower through hole 14 due to the jump impact of the operating handle 11.
The trigger rod 6 is provided with a return baffle 65 and a return spring 66, one end of the return spring 66 is fixedly connected with the return baffle 65, and the other end of the return spring 66 is fixedly connected with the protective partition plate 2. After the inverter is recovered to be normal in power utilization, the operating handle 11 is turned to the position below the detection groove 12, the extrusion rod 63 moves towards the outside of the lower through hole 14 under the action of the return spring 66, the trigger plate 62 is separated from the pressure sensor 4, and the circuits of the storage battery 3, the pressure sensor 4 and the alarm 5 are disconnected.
Wherein, the operating handle 11 is provided with a transverse handle 111, and the height of the transverse handle 111 is larger than the distance from the top end of the detecting groove 12 to the bottom end of the lower through hole 14. When the inverter is disconnected due to an abnormal power consumption condition, the operating handle 11 jumps from the lower part of the detecting groove 12 to the upper part of the detecting groove 12, and the operating handle 11 jumping to the upper part of the detecting groove 12 can press the pressing rod 63 to the inner part of the lower through hole 14.
The utility model discloses a theory of operation is: when the frequency converter is disconnected due to abnormal electricity utilization condition, the operating handle 11 jumps from the lower part of the detecting groove 12 to the upper part of the detecting groove 12, the operating handle 11 jumping to the upper part of the detecting groove 12 presses the extrusion rod 63 back into the lower through hole 14, the main shaft 61 synchronously moves backwards along with the extrusion rod 63, the trigger plate 62 synchronously moves backwards along with the main shaft 61, the trigger plate 62 moving backwards applies pressure to the pressure sensor 4, the storage battery 3, the pressure sensor 4 and the alarm 5 are connected in circuit, and the alarm 5 makes sound to remind corresponding personnel to restore the normal electricity utilization of the frequency converter in time; after the circuit is recovered to normal, the operating handle 11 is turned to the position below the detection groove 12, the pressing rod 63 moves towards the outside of the lower through hole 14 under the action of the return spring 66, the trigger plate 62 is separated from the pressure sensor 4, and the circuit of the storage battery 3, the pressure sensor 4 and the alarm 5 is disconnected.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a special electric leakage circuit breaker of converter which characterized in that: including residual current circuit breaker body (1) and answer mechanism, answer mechanism is including protection baffle (2), battery (3), pressure sensor (4) and siren (5) are installed in protection baffle (2), pressure sensor (4) siren (5) with battery (3) electric connection, answer mechanism pass through trigger bar (6) with residual current circuit breaker body (1) is connected, residual current circuit breaker body (1) is equipped with operating handle (11) and explores groove (12), the through-hole has been seted up to the top of exploring groove (12), trigger bar (6) with through-hole sliding connection.
2. A special residual current circuit breaker for a frequency converter according to claim 1, characterized in that: trigger bar (6) include main shaft (61), trigger plate (62) and extrusion stem (63), the through-hole includes through-hole (13) and lower through-hole (14), main shaft (61) with go up through-hole (13) sliding connection, extrusion stem (63) with through-hole (14) sliding connection down.
3. A special residual current circuit breaker for a frequency converter according to claim 2, characterized in that: the main shaft (61) is provided with a displacement limiting sheet (64).
4. A special residual current circuit breaker for a frequency converter according to claim 1, characterized in that: trigger lever (6) are equipped with and reply baffle (65) and reset spring (66), reset spring (66) one end with reply baffle (65) fixed connection, reset spring (66) the other end with protection baffle (2) fixed connection.
5. A special residual current circuit breaker for a frequency converter according to claim 2, characterized in that: the operating handle (11) is provided with a transverse handle (111), and the height of the transverse handle (111) is larger than the distance from the top end of the probing groove (12) to the bottom end of the lower through hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020649480.5U CN212322929U (en) | 2020-04-26 | 2020-04-26 | Special residual current circuit breaker for frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020649480.5U CN212322929U (en) | 2020-04-26 | 2020-04-26 | Special residual current circuit breaker for frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212322929U true CN212322929U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020649480.5U Active CN212322929U (en) | 2020-04-26 | 2020-04-26 | Special residual current circuit breaker for frequency converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733029A (en) * | 2021-09-03 | 2021-12-03 | 中国水电四局（兰州）机械装备有限公司 | Automatic circle of transferring of penstock adds strength ring assembly fixture |
-
2020
- 2020-04-26 CN CN202020649480.5U patent/CN212322929U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733029A (en) * | 2021-09-03 | 2021-12-03 | 中国水电四局（兰州）机械装备有限公司 | Automatic circle of transferring of penstock adds strength ring assembly fixture |
| CN113733029B (en) * | 2021-09-03 | 2022-11-25 | 中国水电四局（兰州）机械装备有限公司 | Automatic circle of transferring of penstock adds strength ring assembly fixture |
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