CN220040721U - Fault indication equipment for power differential transformer - Google Patents
Fault indication equipment for power differential transformer Download PDFInfo
- Publication number
- CN220040721U CN220040721U CN202223293501.2U CN202223293501U CN220040721U CN 220040721 U CN220040721 U CN 220040721U CN 202223293501 U CN202223293501 U CN 202223293501U CN 220040721 U CN220040721 U CN 220040721U
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- fault
- differential transformer
- indicator
- monitoring unit
- fault indicator
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- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000004622 sleep time Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of power equipment, and particularly relates to power differential transformer fault indication equipment, which comprises a fault indicator, wherein a power supply unit, a transformer monitoring unit, a controller and an alarm unit are arranged in the fault indicator; the fault indicator comprises a fault indicator body, wherein a display screen, a plurality of indicator lamps and a switch button are arranged on the front end face of the fault indicator body, the display screen is used for displaying current and voltage values acquired by a transformer monitoring unit, the indicator lamps are used for indicating the working state of a differential transformer, and the switch button is used for controlling the display screen and the indicator lamps to be turned on or off. The defect of the prior art is overcome, the operation state of the differential transformer is monitored, the abnormal state is timely reminded, and meanwhile, the position and time of the fault are sent, so that the maintenance of personnel is facilitated.
Description
Technical Field
The utility model belongs to the technical field of power equipment, and particularly relates to power differential transformer fault indicating equipment.
Background
Differential transformers refer to a type of transformer device widely used in electronics and non-electrical detection; the abnormal operation state of the differential transformer mainly includes: overcurrent caused by external interphase short circuit of the transformer and overcurrent and neutral overvoltage caused by external grounding short circuit; overload due to load exceeding rated capacity.
Because the differential transformer has a great influence on the power supply reliability and the normal operation of the system, the operation state of the differential transformer needs to be monitored, and the fault of the differential transformer is timely reminded so as not to cause larger power faults.
Disclosure of Invention
The utility model aims to provide the fault indicating equipment for the power differential transformer, which overcomes the defects of the prior art, monitors the running state of the differential transformer, reminds abnormal states in time, and simultaneously sends the position and time of the fault, thereby being convenient for personnel to overhaul.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the fault indication device of the power differential transformer comprises a fault indicator, wherein a power supply unit, a transformer monitoring unit, a controller and an alarm unit are arranged in the fault indicator, the transformer monitoring unit is used for collecting current and voltage values of the differential transformer, the input end of the controller is connected with the transformer monitoring unit, and the output end of the controller is connected with the alarm unit;
the fault indicator comprises a fault indicator body, wherein a display screen, a plurality of indicator lamps and a switch button are arranged on the front end face of the fault indicator body, the display screen is used for displaying current and voltage values acquired by a transformer monitoring unit, the indicator lamps are used for indicating the working state of a differential transformer, and the switch button is used for controlling the display screen and the indicator lamps to be turned on or off.
Further, the power supply unit comprises a storage battery, a rectifying and voltage-reducing module and a battery monitoring unit, wherein the rectifying and voltage-reducing module rectifies and reduces alternating current and then outputs direct current reference voltage, the storage battery is charged, and the battery monitoring unit is connected with the storage battery and is used for detecting residual electric quantity of the storage battery.
Further, the battery monitoring unit comprises a resistor, a capacitor, a diode and a detection chip, wherein the storage battery, the resistor and the capacitor are connected in series, the diode is connected with the resistor in parallel, and the cathode of the diode is connected with the sampling end of the detection chip.
Further, the alarm unit comprises a positioning module, a time module and a communication unit, wherein the positioning module is used for acquiring the position information of the fault indicator, the time module is used for acquiring the current time information, the rear end of the fault indicator is provided with a wireless antenna, the communication unit is in wireless connection with a remote terminal host and/or mobile equipment through the wireless antenna, the positioning module and the time module are electrically connected with the input end of the controller, and the communication unit is electrically connected with the output end of the controller.
Further, the switch button is provided with a fingerprint module, and the fingerprint module is electrically connected with the controller.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the current and voltage values collected by the differential transformer are monitored, the running state of the differential transformer is monitored in real time, and when an abnormal state is found, a manager is notified remotely through the communication unit, so that maintenance is performed in time.
2. The position and time of the fault indicator are acquired in real time through the positioning module and the time module, and the fault indicator and the abnormality notification are sent together, so that the fault indicator is convenient for a manager to check and overhaul.
3. According to the utility model, the alternating current is processed through the rectification voltage reduction module to charge the storage battery, and the fault indicator is ensured to send out an alarm signal under the condition that the circuit is interrupted due to abnormal state.
Drawings
Fig. 1 is a schematic diagram of a fault indication device for a power differential transformer.
Fig. 2 is an electrical control schematic block diagram of a power differential transformer fault indication device.
Fig. 3 is a functional block diagram of a battery monitoring unit in a power differential transformer fault indication device.
In the figure: 1. a fault indicator; 2. a display screen; 3. an indicator light; 4. a switch button; 5. a fingerprint module; 6. a wireless antenna.
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 of the present utility model, but not all embodiments. 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.
As shown in fig. 1-3, the fault indication device of the power differential transformer comprises a fault indicator 1, wherein a power supply unit, a transformer monitoring unit, a controller and an alarm unit are arranged in the fault indicator 1, the transformer monitoring unit is used for collecting current and voltage values of the differential transformer, the input end of the controller is connected with the transformer monitoring unit, and the output end of the controller is connected with the alarm unit;
the fault indicator 1's preceding terminal surface is installed display screen 2, a plurality of pilot lamps 3 and shift knob 4, and display screen 2 is used for showing the electric current and the voltage value that the transformer monitoring unit gathered, and pilot lamp 3 is used for instructing differential transformer's operating condition, and shift knob 4 is used for controlling the start and stop of display screen 2 and pilot lamp 3.
In order to avoid failure of the fault indicator 1 caused by circuit breaking, the power supply unit comprises a storage battery, a rectifying and voltage reducing module and a battery monitoring unit, wherein the rectifying and voltage reducing module rectifies and reduces alternating current and then outputs direct current reference voltage, the storage battery is charged, and the battery monitoring unit is connected with the storage battery and is used for detecting residual electricity quantity of the storage battery.
In order to monitor the electric quantity of the battery, the battery monitoring unit comprises a resistor, a capacitor, a diode and a detection chip, wherein the storage battery, the resistor and the capacitor are connected in series, the diode is connected with the resistor in parallel, and the cathode of the diode is connected with the sampling end of the detection chip; the monitored electric quantity of the storage battery is fed back through the display screen 2 and the indicator lamp 3, and the indicator lamp 3 turns red when the electric quantity is lower than a preset value.
In order to facilitate the investigation and maintenance, the alarm unit includes positioning module, time module and communication unit, and positioning module is used for obtaining the positional information of fault indicator 1, and time module is used for obtaining current time information, and wireless antenna 6 is installed to the rear end of fault indicator 1, and communication unit passes through wireless antenna 6 and remote terminal host computer and/or mobile device wireless connection, positioning module and time module and the input electric connection of controller, and communication unit and the output electric connection of controller.
In order to identify the identity of the person, a fingerprint module 5 is arranged on the switch button 4, and the fingerprint module 5 is electrically connected with the controller; the sleep time can be set through the time module, the display screen 2 and the indicator lamp 3 enter sleep after unmanned operation for a period of time, and when overhauling, the display screen 2 and the indicator lamp 3 are awakened through the switch button 4, so that abnormal problems are checked, and the design of the fingerprint module 5 avoids the tampering of irrelevant personnel, so that the safety is improved.
In summary, the fault indicator 1 of the power differential transformer fault indication device is connected with a differential transformer when in use, current and voltage values of the differential transformer are obtained in real time through a transformer monitoring unit, and meanwhile, alternating current is rectified and reduced through a rectifying and reducing module, and then the alternating current is supplied to a storage battery for charging; when the abnormal state of the differential transformer occurs, the controller acquires the current position and time of the fault indicator 1 and sends the current position and time and the time to a remote host or mobile equipment together with an abnormal report through a communication unit, so that a manager is informed of the abnormal fault position, time and fault type, and the manager can conveniently and quickly arrange maintenance personnel.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A power differential transformer fault indication device, characterized by: the fault indicator comprises a fault indicator (1), wherein a power supply unit, a transformer monitoring unit, a controller and an alarm unit are arranged in the fault indicator (1), the transformer monitoring unit is used for collecting current and voltage values of a differential transformer, the input end of the controller is connected with the transformer monitoring unit, and the output end of the controller is connected with the alarm unit;
the fault indicator comprises a fault indicator body, a fault indicator (1), a display screen (2), a plurality of indicator lamps (3) and a switch button (4), wherein the display screen (2) is used for displaying current and voltage values acquired by a transformer monitoring unit, the indicator lamps (3) are used for indicating the working state of a differential transformer, and the switch button (4) is used for controlling the on-off of the display screen (2) and the indicator lamps (3);
the power supply unit comprises a storage battery, a rectifying and voltage-reducing module and a battery monitoring unit, wherein the rectifying and voltage-reducing module rectifies alternating current, reduces the voltage and outputs direct current reference voltage, the storage battery is charged, and the battery monitoring unit is connected with the storage battery and is used for detecting residual electric quantity of the storage battery.
2. A power differential transformer fault indication device according to claim 1, characterized in that: the battery monitoring unit comprises a resistor, a capacitor, a diode and a detection chip, wherein the storage battery, the resistor and the capacitor are connected in series, the diode is connected with the resistor in parallel, and the cathode of the diode is connected with the sampling end of the detection chip.
3. A power differential transformer fault indication device according to claim 1, characterized in that: the alarm unit comprises a positioning module, a time module and a communication unit, wherein the positioning module is used for acquiring the position information of the fault indicator (1), the time module is used for acquiring the current time information, the rear end of the fault indicator (1) is provided with a wireless antenna (6), the communication unit is in wireless connection with a remote terminal host and/or mobile equipment through the wireless antenna (6), the positioning module and the time module are electrically connected with the input end of the controller, and the communication unit is electrically connected with the output end of the controller.
4. A power differential transformer fault indication device according to claim 1, characterized in that: the switch button (4) is provided with a fingerprint module (5), and the fingerprint module (5) is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223293501.2U CN220040721U (en) | 2022-12-09 | 2022-12-09 | Fault indication equipment for power differential transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223293501.2U CN220040721U (en) | 2022-12-09 | 2022-12-09 | Fault indication equipment for power differential transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040721U true CN220040721U (en) | 2023-11-17 |
Family
ID=88735863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223293501.2U Active CN220040721U (en) | 2022-12-09 | 2022-12-09 | Fault indication equipment for power differential transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040721U (en) |
-
2022
- 2022-12-09 CN CN202223293501.2U patent/CN220040721U/en active Active
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