CN218917574U - Monitoring device of breaker energy storage motor and vacuum circuit breaker - Google Patents
Monitoring device of breaker energy storage motor and vacuum circuit breaker Download PDFInfo
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- CN218917574U CN218917574U CN202223606716.5U CN202223606716U CN218917574U CN 218917574 U CN218917574 U CN 218917574U CN 202223606716 U CN202223606716 U CN 202223606716U CN 218917574 U CN218917574 U CN 218917574U
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Abstract
The utility model discloses a monitoring device of a breaker energy storage motor and a vacuum breaker, which are applied to the technical field of electrical equipment and are used for solving the problem that the performance of the breaker energy storage motor cannot be monitored in real time in the prior art. The utility model provides a monitoring device of a breaker energy storage motor, comprising: the device comprises a current detection module, a monitoring module and a switch module; the first end of the current detection module is arranged on the wiring of the breaker energy storage motor and the external power supply, and the current detection module is used for detecting the current of the breaker energy storage motor; the switch module is used for connecting or disconnecting the current detection module with the monitoring module; the monitoring module is used for recording the times that the current of the breaker energy storage motor exceeds the preset current range, so that the times that the current of the breaker energy storage motor recorded by the monitoring module exceeds the preset current range can reflect the performance of the breaker energy storage motor, the real-time monitoring of the performance of the breaker energy storage motor is realized, and the safety and reliability of the breaker energy storage motor are improved.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a 5 monitoring device of an energy storage motor of a circuit breaker and a vacuum circuit breaker.
Background
Vacuum circuit breakers are widely used in high voltage distribution systems of power plants because of their high arc extinguishing capability and the frequent operation. The closing action of the circuit breaker is generally that the spring device is stored by the circuit breaker
The energy stored by the motor and the manual energy is driven to act, wherein 0 manual energy storage is generally adopted only during maintenance, and the circuit breaker is generally adopted to store energy during operation
The energy storage mode of the motor can be realized.
At present, a breaker energy storage motor is generally arranged at the bottom of a breaker of a switch cabinet, a coil of the breaker energy storage motor is easily affected by environment to be damped, and the breaker energy storage motor is extremely easy to burn when power is transmitted again to store electric energy
The energy-saving motor is capable of maintaining the breaker energy-saving motor at present only by dragging 5 the breaker to the outside of the cabinet during power failure overhaul, performing appearance inspection and loop resistance measurement on the breaker energy-saving motor coil, and measuring loop electricity
The influence of the measuring instrument and the operation of the resistance value used on the spot generates larger measuring errors, the change trend and the defect state of the data are not easy to find and judge, and the performance of the energy storage motor of the circuit breaker cannot be monitored in real time in a non-overhauling state, so that the safe and reliable operation of high-voltage electric equipment is seriously influenced.
Disclosure of Invention
The embodiment of the utility model provides a monitoring device for an energy storage motor of a circuit breaker and a vacuum circuit breaker, which are used for solving the problem that the performance of the energy storage motor of the circuit breaker cannot be monitored in real time in the prior art.
On one hand, the monitoring device for the breaker energy storage motor provided by the embodiment of the utility model comprises:
the device comprises a current detection module, a monitoring module and a switch module;
the first end of the current detection module is arranged on the wiring of the breaker energy storage motor and the external power supply, the second end of the current detection module is connected with the first end of the switch module, and the current detection module is used for detecting the current of the breaker energy storage motor;
the second end of the switch module is connected with the first end of the monitoring module, and the switch module is used for connecting or disconnecting the current detection module with the monitoring module;
the monitoring module is used for recording the times that the current of the energy storage motor of the circuit breaker exceeds a preset current range.
In one possible implementation, the current detection module includes: a current transformer;
the primary winding of the current transformer is arranged on the wiring of the breaker energy storage motor and the external power supply, the first end of the secondary winding of the current transformer is connected with the first end of the monitoring module, and the second end of the secondary winding of the current transformer is connected with the second end of the monitoring module through the switch module.
In one possible embodiment, the monitoring module is connected to the secondary winding of the current transformer and the switching module via an air plug.
In one possible embodiment, the switching module comprises: the circuit breaker assists the switch.
In one possible embodiment, the monitoring device of the breaker energy storage motor further comprises: an alarm module;
the alarm module is connected with the third end of the monitoring module and is used for giving an abnormal alarm.
In one possible implementation, the alarm module includes: a buzzer and an indicator light.
In one possible embodiment, the monitoring device of the breaker energy storage motor further comprises: a storage module;
the storage module is connected with the fourth end of the monitoring module; the storage module is used for storing the current of the breaker energy storage motor.
In one possible embodiment, the monitoring device of the breaker energy storage motor further comprises: a display module;
the display module is connected with the fifth end of the monitoring module; the display module is used for displaying the current of the breaker energy storage motor and the times that the current of the breaker energy storage motor exceeds a preset current range.
In one possible implementation, the display module includes: a display.
On the other hand, the embodiment of the utility model also provides a vacuum circuit breaker, which comprises: the embodiment of the utility model provides the monitoring device of the breaker energy storage motor, the spring device and the contact device; the first end of the spring device is connected with the first end of the breaker energy storage motor, the second end of the spring device is connected with the contact device, the second end of the breaker energy storage motor is connected with an external power supply, and the first end of the monitoring device of the breaker energy storage motor is arranged on the wiring of the second end of the breaker energy storage motor and the external power supply.
The embodiment of the utility model has the following beneficial effects:
according to the monitoring device for the breaker energy storage motor, provided by the embodiment of the utility model, the current detection module is arranged on the wiring between the breaker energy storage motor and the external power supply, so that the real-time detection of the current of the breaker energy storage motor can be realized, the monitoring module can effectively reflect the performance of the breaker energy storage motor based on the determination and recording of the times that the current of the breaker energy storage motor exceeds the preset current range based on the current of the breaker energy storage motor detected by the current detection module in real time, the real-time monitoring of the performance of the breaker energy storage motor is realized, the defect that an maintainer cannot find hidden danger of the breaker energy storage motor in advance is overcome, the safety and reliability of the breaker energy storage motor are effectively improved, and a data support is provided for intelligent monitoring of high-voltage electrical equipment.
Drawings
Fig. 1 is a schematic diagram of a first structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a second structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a third structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a fourth structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a fifth structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of a sixth structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 7 is a schematic diagram of a seventh structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of an eighth structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 9 is a schematic diagram of a ninth structure of a monitoring device of an energy storage motor of an interrupt circuit breaker according to an embodiment of the present utility model;
fig. 10 is a schematic diagram of a first structure of a vacuum circuit breaker according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model provides a monitoring device for a breaker energy storage motor, referring to fig. 1, the monitoring device 100 for the breaker energy storage motor comprises: a current detection module 110, a monitoring module 130, a switching module 120;
the first end of the current detection module 110 is arranged on the wiring of the breaker energy storage motor and an external power supply, the second end of the current detection module 110 is connected with the first end of the switch module 120, and the current detection module 110 is used for detecting the current of the breaker energy storage motor;
the second end of the switch module 120 is connected with the first end of the monitor module 130, and the switch module 120 is used for connecting or disconnecting the current detection module 110 and the monitor module 130;
the monitoring module 130 is used for recording the times that the current of the breaker energy storage motor exceeds the preset current range.
In practical application, the current detection module 110 detects the current of the breaker energy storage motor in real time, and sends the current to the monitoring module 130 through the switch module 120, the monitoring module 130 judges whether the received current is in a preset current range, and records when the received current of the breaker energy storage motor exceeds the preset range, wherein the preset range is determined according to the current range under the condition that the breaker energy storage motor works normally and has good performance, for example: the rated current of the 38 N.m breaker energy storage motor is 1.2A, the normal energy storage current is about 0.85A, when the current of the breaker energy storage motor rises by more than 20 percent and even approaches or exceeds the rated current, the coil of the energy storage motor is judged to have problems, and therefore the current range of the 38 N.m breaker energy storage motor can be set to be 0.85A-1.02A. The record content of the monitoring module 130 may include the number of times the current of the present breaker energy storage motor exceeds the preset current range and the current value of the breaker energy storage motor exceeding the preset current range. The switch module 120 can be connected with or disconnected from the current detection module 110 and the monitoring module 130, and the monitoring module 130 monitors the breaker energy storage motor under the working condition and stops monitoring the breaker energy storage motor under the non-working condition through the on-off of the switch block. Like this, through set up current detection module 110 on the wiring of circuit breaker energy storage motor and external power source, can real-time detection circuit breaker energy storage motor's electric current, monitor module 130 is based on circuit breaker energy storage motor's electric current confirm and record circuit breaker energy storage motor's electric current and surpass the number of times of predetermineeing the electric current scope, can effectually reflect circuit breaker energy storage motor's performance through circuit breaker energy storage motor's electric current surpass the number of times of predetermineeing the electric current scope, thereby realize the real-time supervision to circuit breaker energy storage motor performance, improve circuit breaker energy storage motor's fail safe nature greatly, and scheme overall design is simple, easy to implement. Moreover, the switch module 120 can enable the monitoring module 130 to monitor under the condition that the energy storage motor works, so that the influence on invalid data under the condition that the energy storage motor does not work can be effectively avoided, and reasonable utilization and distribution of resources are realized.
In one possible implementation, referring to fig. 2, the current detection module 110 includes: a current transformer 111;
the primary winding of the current transformer 111 is disposed on the connection between the breaker energy storage motor and the external power source, the first end of the secondary winding of the current transformer 111 is connected with the first end of the monitoring module 130, and the second end of the secondary winding of the current transformer 111 is connected with the second end of the monitoring module 130 through the switch module 120.
In practical application, the current transformer 111 can effectively and safely detect the current of the breaker energy storage motor, and the current transformer 111 can be one of a through type current transformer, a pillar type current transformer, a sleeve type current transformer and a bus type current transformer. Taking a through type current transformer as an example, a positive power line of the breaker energy storage motor passes through a positive electrode connected to an external power supply from a P1 surface of the through type current transformer, and a negative power line of the breaker energy storage motor is directly connected to the positive electrode of the external power supply. The secondary winding of the through type current transformer is connected with the switch module 120 in series and then connected to two ends of the monitoring module 130. The specification of the current transformer 111 can be selected based on the actual current of the energy storage motor, and a core-through current transformer with the aperture of 20mm can be generally selected, wherein the transformation ratio can be 50/5A and the measurement accuracy is not lower than 0.5%.
In one possible embodiment, the monitoring module is connected to the secondary winding of the current transformer and the switching module via an air plug.
In practical applications, referring to fig. 3, both the secondary winding of the current transformer 111 and the switch module may be correspondingly connected to the connection terminal through an aviation plug. The type and electrical parameters of the aviation plug may be selected based on the conditions and operating conditions of the monitoring module, the secondary side winding of the current transformer, and the switching module.
In one possible implementation, referring to fig. 4, the switch module 120 includes: the circuit breaker auxiliary switch 131.
In practical application, the switch module 120 may be an auxiliary switch of a circuit breaker, the switch state of the auxiliary switch of the circuit breaker is opposite to the switch state of the circuit breaker, and when the short circuit breaker is closed, the auxiliary switch 131 of the circuit breaker disconnects the current detection module 110 from the monitoring module 130; when the short circuit device is disconnected, the breaker auxiliary switch 131 is connected with the current detection module 110 and the monitoring module 130, the energy storage motor stores energy for the spring device, the current detection module 110 detects the current of the breaker energy storage motor in real time, the monitoring module 130 monitors the current based on the breaker energy storage motor, and the times that the current of the breaker energy storage motor exceeds the preset current range are determined and recorded, so that the real-time monitoring of the performance of the breaker energy storage motor during working is realized.
In one possible embodiment, referring to fig. 5, the monitoring device of the breaker energy storage motor further includes: an alarm module 140;
the alarm module 140 is connected to the third terminal of the monitoring module 130, and the alarm module 140 is configured to issue an abnormal alarm.
In practical application, the monitoring module 130 may be provided with a preset number of times, and when the number of times that the current of the energy storage motor of the circuit breaker exceeds the preset current range exceeds the preset number of times, the alarm module 140 may send an abnormal alarm to the monitoring module 130, so that an maintainer can timely find out the abnormal change of the performance of the energy storage motor, and timely perform investigation and treatment on hidden danger of the energy storage motor. The alarm module 140 can also send out a low-level alarm with prompt property when the current of the breaker energy storage motor exceeds a preset current range, so that an maintainer can know that the current is abnormal.
In one possible implementation, referring to fig. 6, the alarm module 140 includes: a buzzer 141 and an indicator light 142.
In practical applications, the alarm module 140 may perform an audible alarm through the buzzer 141, and may also perform a light alarm through the indicator light 142. Low-level alarms for abnormal alarms and prompt properties may be differentiated in different ways, for example: the buzzer 141 can send out sound intermittently, different indicator lamps 142 are adopted, the indicator lamps 142 flash, the buzzer 141 can directly give out abnormal alarms, and the indicator lamps 142 give out low-level alarms with prompt properties, so that the alarm is not limited.
In one possible embodiment, referring to fig. 7, the monitoring device of the circuit breaker energy storage motor further includes: a storage module 150;
the storage module 150 is connected with the fourth end of the monitoring module 130; the storage module 150 is used to store the current of the breaker energy storage motor.
In practical application, the storage module 150 may store the current of the breaker energy storage motor, and may also store the number of times the current of the breaker energy storage motor exceeds the preset current range, the number of abnormal alarms and the number of low-level alarms with prompt properties, which are not limited herein. The stored detected current of the breaker energy storage motor can be used for comparing and analyzing the curve by retrieving current data in a period of time, so that the performance of the breaker energy storage motor can be analyzed and judged more accurately.
In one possible embodiment, referring to fig. 8, the monitoring device of the breaker energy storage motor further includes: a display module 160;
the display module 160 is connected with the fifth end of the monitoring module 130; the display module 160 is used for displaying the current of the breaker energy storage motor and the number of times that the current of the breaker energy storage motor exceeds a preset current range.
In practical application, the display module 160 may display the current of the breaker energy storage motor and the number of times that the current of the breaker energy storage motor exceeds the preset current range to an maintainer, so that the maintainer can intuitively know the current working state and performance of the breaker energy storage motor.
In one possible implementation, referring to fig. 9, the display module 160 includes: and a display 161.
In practical application, the current of the breaker energy storage motor and the number of times that the current of the breaker energy storage motor exceeds the preset current range can be displayed to the maintainer through the corresponding position in the display 161, and the display position and the display mode can be set according to practical requirements.
Based on the same concept, the embodiment of the present utility model further provides a vacuum circuit breaker, referring to fig. 10, the vacuum circuit breaker 200 includes: the monitoring device 100 of the breaker energy storage motor, the breaker energy storage motor 210, the spring device 220 and the contact device 230; the first end of the spring device 220 is connected to the first end of the breaker energy storage motor 210, the second end of the spring device 220 is connected to the contact device 230, the second end of the breaker energy storage motor 210 is connected to an external power source, and the first end of the monitoring device 100 of the breaker energy storage motor is arranged on the connection between the second end of the breaker energy storage motor 210 and the external power source.
In the vacuum circuit breaker provided by the embodiment of the utility model, the monitoring device of the circuit breaker energy storage motor can monitor the performance of the circuit breaker energy storage motor in real time, so that the vacuum circuit breaker using the monitoring device of the circuit breaker energy storage motor has corresponding advantages, and the monitoring device of the circuit breaker energy storage motor can overcome the defect that an electric person cannot find hidden danger of the circuit breaker energy storage motor in advance, thereby greatly improving the safety and reliability of the circuit breaker and providing convenience for overhauling and intelligent monitoring of high-voltage electric equipment.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present utility model fall within the scope of the claims and the equivalents thereof, the present utility model is also intended to include such modifications and variations.
Claims (10)
1. A monitoring device for a circuit breaker energy storage motor, comprising: the device comprises a current detection module, a monitoring module and a switch module;
the first end of the current detection module is arranged on the wiring of the breaker energy storage motor and an external power supply, the second end of the current detection module is connected with the first end of the switch module, and the current detection module is used for detecting the current of the breaker energy storage motor;
the second end of the switch module is connected with the first end of the monitoring module, and the switch module is used for connecting or disconnecting the current detection module with the monitoring module;
the monitoring module is used for recording the times that the current of the energy storage motor of the circuit breaker exceeds a preset current range.
2. The monitoring device of a circuit breaker energy storage motor of claim 1 wherein the current detection module comprises: a current transformer;
the primary winding of the current transformer is arranged on the wiring of the breaker energy storage motor and an external power supply, the first end of the secondary winding of the current transformer is connected with the first end of the monitoring module, and the second end of the secondary winding of the current transformer is connected with the second end of the monitoring module through the switch module.
3. The monitoring device of a circuit breaker energy storage motor of claim 2, wherein the monitoring module is connected with the secondary winding of the current transformer and the switching module through an aviation plug, respectively.
4. The monitoring device of a circuit breaker energy storage motor of claim 2 wherein the switch module comprises: the circuit breaker assists the switch.
5. The monitoring device of a circuit breaker energy storage motor of any one of claims 1-4, further comprising: an alarm module;
the alarm module is connected with the third end of the monitoring module and is used for giving out abnormal alarms.
6. The apparatus of claim 5, wherein the alert module comprises: a buzzer and an indicator light.
7. The monitoring device of a circuit breaker energy storage motor of claim 5, further comprising: a storage module;
the storage module is connected with the fourth end of the monitoring module; the storage module is used for storing the current of the breaker energy storage motor.
8. The circuit breaker energy storage motor monitoring device of claim 7 further comprising: a display module;
the display module is connected with the fifth end of the monitoring module; the display module is used for displaying the current of the breaker energy storage motor and the times that the current of the breaker energy storage motor exceeds a preset current range.
9. The device for monitoring the energy storage motor of the circuit breaker according to claim 8, wherein the display module comprises: a display.
10. A vacuum circuit breaker, comprising: a monitoring device for a circuit breaker energy storage motor, a spring device, a contact device according to any of claims 1-9; the first end of the spring device is connected with the first end of the breaker energy storage motor, the second end of the spring device is connected with the contact device, the second end of the breaker energy storage motor is connected with an external power supply, and the first end of the monitoring device of the breaker energy storage motor is arranged on the wiring of the second end of the breaker energy storage motor and the external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223606716.5U CN218917574U (en) | 2022-12-28 | 2022-12-28 | Monitoring device of breaker energy storage motor and vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223606716.5U CN218917574U (en) | 2022-12-28 | 2022-12-28 | Monitoring device of breaker energy storage motor and vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218917574U true CN218917574U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223606716.5U Active CN218917574U (en) | 2022-12-28 | 2022-12-28 | Monitoring device of breaker energy storage motor and vacuum circuit breaker |
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| CN (1) | CN218917574U (en) |
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- 2022-12-28 CN CN202223606716.5U patent/CN218917574U/en active Active
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