CN214010388U - Automatic detection system about transformer - Google Patents
Automatic detection system about transformer Download PDFInfo
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- CN214010388U CN214010388U CN202022751142.5U CN202022751142U CN214010388U CN 214010388 U CN214010388 U CN 214010388U CN 202022751142 U CN202022751142 U CN 202022751142U CN 214010388 U CN214010388 U CN 214010388U
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Abstract
The utility model discloses an automatic check out system about transformer, include: the device comprises a controller, and a temperature sensor, a current and voltage detector, a signal transceiver, a vibration detection device and a pressure detector which are respectively connected with the controller; the current and voltage detector is connected with the transformer, the temperature sensor is arranged in the iron core of the transformer, and the vibration detection device comprises: the pressure detector is connected with the oil sampling port of the transformer and detects the pressure of the transformer oil to obtain a pressure signal; the controller acquires the current-voltage operation signal, the temperature signal, the vibration signal and the pressure signal and then controls the signal transceiver to transmit the current-voltage operation signal, the temperature signal, the vibration signal and the pressure signal to the external terminal equipment. Adopt the utility model discloses, gather the data of transformer during operation in real time, realize the remote monitoring to transformer operating condition.
Description
Technical Field
The utility model relates to a transformer field especially relates to an automatic check out system about transformer.
Background
A transformer is a device for changing alternating voltage by using the principle of electromagnetic induction. The main functions of the transformer are to realize voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like. With the development of economy, the demand for electric power in production and life is increasing day by day, the load of electric power equipment is increased sharply, and a transformer is usually in a full-load or even overload working state, so that transformer faults caused by overheating of a low-voltage pile head of the transformer, phase failure or neutral line disconnection occur sometimes. Therefore, whether the transformer is in an abnormal operation state needs to be detected and judged in time, and corresponding measures are taken in advance to ensure the power utilization safety. At present, the number of transformers managed by a power supply enterprise is huge, and generally, the inspection of the transformers is completed by manual inspection. However, some transformers cannot be patrolled in time due to various reasons such as wide geographical range, inconvenient traffic, bad weather, limited number of patrolmen and the like related to the arrangement position of the transformers in the power supply area. For example, when the transformer is overloaded at night and the low-voltage pile head is overheated, the transformer may be burnt out without being timely discovered by patrolling personnel, so that normal power supply is affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing an automatic detection system about transformer can gather the data of transformer during operation in real time, realizes the remote monitoring to transformer operating condition.
Based on this, the utility model provides an automatic check out system about transformer, the system includes:
the device comprises a controller, and a temperature sensor, a current and voltage detector, a signal transceiver, a vibration detection device and a pressure detector which are respectively connected with the controller;
the current and voltage detector is connected with the transformer and used for acquiring a current and voltage operation signal of the transformer, the temperature sensor is arranged in a core of the transformer and used for acquiring a temperature signal of the core, and the vibration detection device comprises: the pressure detector is connected with the oil sampling port of the transformer and detects the pressure of the transformer oil to obtain a pressure signal;
and after acquiring the current-voltage operation signal, the temperature signal, the vibration signal and the pressure signal, the controller controls the signal transceiver to transmit the current-voltage operation signal, the temperature signal, the vibration signal and the pressure signal to external terminal equipment.
The pressure detector comprises a connecting pipe and a pressure sensor; the oil inlet of the connecting pipe is connected with the oil sampling port of the transformer, the oil outlet of the connecting pipe is connected with one end of the pressure sensor, and the other end of the pressure sensor is connected with the controller.
The connecting pipe is connected with a flow control valve, and the flow control valve is connected with the controller.
Wherein, the temperature sensor is a fiber grating sensor.
Wherein the current-voltage operation signal comprises: phase voltage signals, line voltage signals, phase current signals, and zero sequence current signals.
The number of the temperature sensors is multiple, and the sensors are respectively arranged on the low-voltage pile head of the transformer and on the outer wall of the transformer.
Wherein the controller comprises a PLC controller.
Adopt the utility model discloses, temperature sensor, current-voltage detector, vibrations detection device, pressure detector all will gather data upload extremely the controller, the controller can come to compare with predetermined normal data scope according to above-mentioned data, if surpass predetermined normal data scope, then controller control signal transceiver sends alarm signal to external terminal equipment in order to remind power technology personnel to help power technology personnel in time to handle the trouble of transformer, reduced the adverse effect that leads to by the trouble of transformer, guaranteed electric power system's security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of 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 diagram of an automatic detection system for a transformer according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a pressure detector provided by an embodiment of the present invention.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram of an automatic detection system for a transformer according to an embodiment of the present invention, the system includes:
a controller 103, and a temperature sensor 105, a current-voltage detector 104, a signal transceiver 106, a vibration detection device 102 and a pressure detector 101 which are respectively connected with the controller 103;
the current-voltage detector 104 is connected to the transformer for obtaining a current-voltage operation signal of the transformer, the temperature sensor 105 is disposed in a core of the transformer for obtaining a temperature signal of the core, and the shock detection device 102 includes: the pressure detector 101 is connected with an oil sampling port of the transformer, and the pressure detector 101 detects the pressure of the transformer oil to obtain a pressure signal;
after acquiring the current-voltage operation signal, the temperature signal, the vibration signal and the pressure signal, the controller 103 controls the signal transceiver 106 to transmit the current-voltage operation signal, the temperature signal, the vibration signal and the pressure signal to an external terminal device.
After receiving the temperature signal or data sent by the temperature sensor 105 and the current-voltage operation signal or data sent by the current-voltage detector 104, the controller 103 may compare the temperature data with a predetermined temperature threshold, and the current-voltage operation parameter with a predetermined operation parameter threshold, and if the temperature is greater than the predetermined temperature threshold, and/or if the current-voltage operation parameter is greater than the predetermined operation parameter threshold, the controller 103 determines that the transformer is in an abnormal state, and controls the signal transceiver 106 to send an alarm signal to an external terminal device.
Fig. 2 is a schematic diagram of a pressure detector provided by an embodiment of the present invention, the pressure detector includes a connecting pipe 201 and a pressure sensor 203; an oil inlet of the connecting pipe 201 is connected with an oil sampling port of the transformer, an oil outlet of the connecting pipe is connected with one end of the pressure sensor 203, and the other end of the pressure sensor 203 is connected with the controller 103.
The connecting pipe is connected with a flow control valve 202, and the flow control valve 202 is connected with the controller 103.
The pressure detector 101 is connected with the oil sampling port of the transformer and is used for detecting the pressure of the transformer oil; an oil inlet of the connecting pipe is connected with the transformer oil sampling port, so that oil in the transformer oil sampling port can enter along the oil inlet of the connecting pipe; the oil outlet of the connecting pipe is connected with the pressure sensor 203, so that the oil pressure entering the connecting pipe can enter the pressure sensor 203, and the pressure sensor 203 is used for detecting the oil pressure; the pressure sensor 203 is also connected with the controller 103, the measured pressure is converted by the controller 103, and the height position of the oil level at the moment can be calculated according to the relationship among the pressure, gravity, density and height; the controller 103 is further connected to a display screen, and the converted numerical value is displayed by using the display screen.
Detecting the pressure by using a pressure detector to obtain a pressure value, and then using a formula:
P＝ρgh
wherein P is gas pressure, rho is density of oil, g is 9.8N/kg, and h is depth of oil. The values of P, ρ, and g are known, and the depth value of h-oil can be calculated.
The temperature sensor is a fiber grating sensor.
The current-voltage operation signal includes: phase voltage signals, line voltage signals, phase current signals, and zero sequence current signals.
The number of the temperature sensors is multiple, and the sensors are respectively arranged on the low-voltage pile head of the transformer and on the outer wall of the transformer.
The controller comprises a PLC controller.
Adopt the utility model discloses, temperature sensor, current-voltage detector, vibrations detection device, pressure detector all will gather data upload extremely the controller, the controller can come to compare with predetermined normal data scope according to above-mentioned data, if surpass predetermined normal data scope, then controller control signal transceiver sends alarm signal to external terminal equipment in order to remind power technology personnel to help power technology personnel in time to handle the trouble of transformer, reduced the adverse effect that leads to by the trouble of transformer, guaranteed electric power system's security.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. An automatic detection system for a transformer, comprising:
the device comprises a controller, and a temperature sensor, a current and voltage detector, a signal transceiver, a vibration detection device and a pressure detector which are respectively connected with the controller;
the current and voltage detector is connected with the transformer and used for acquiring a current and voltage operation signal of the transformer, the temperature sensor is arranged in a core of the transformer and used for acquiring a temperature signal of the core, and the vibration detection device comprises: the pressure detector is connected with the oil sampling port of the transformer and detects the pressure of the transformer oil to obtain a pressure signal;
and after acquiring the current-voltage operation signal, the temperature signal, the vibration signal and the pressure signal, the controller controls the signal transceiver to transmit the current-voltage operation signal, the temperature signal, the vibration signal and the pressure signal to external terminal equipment.
2. The automatic detection system for a transformer according to claim 1, wherein the pressure detector comprises a connection tube, a pressure sensor; the oil inlet of the connecting pipe is connected with the oil sampling port of the transformer, the oil outlet of the connecting pipe is connected with one end of the pressure sensor, and the other end of the pressure sensor is connected with the controller.
3. The automatic transformer detection system as claimed in claim 2, wherein a flow control valve is connected to the connection pipe, and the flow control valve is connected to the controller.
4. The automatic transformer detection system of claim 1, wherein the temperature sensor is a fiber grating sensor.
5. The automatic detection system for a transformer according to claim 1, wherein the current-voltage operation signal comprises: phase voltage signals, line voltage signals, phase current signals, and zero sequence current signals.
6. The automatic transformer detection system according to claim 1, wherein the temperature sensor is provided in plurality, and the sensors are respectively disposed on a low voltage stub of the transformer and an outer wall of the transformer.
7. The automatic detection system for a transformer according to any one of claims 1-6, wherein the controller comprises a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022751142.5U CN214010388U (en) | 2020-11-24 | 2020-11-24 | Automatic detection system about transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022751142.5U CN214010388U (en) | 2020-11-24 | 2020-11-24 | Automatic detection system about transformer |
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| CN214010388U true CN214010388U (en) | 2021-08-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223117A (en) * | 2023-05-08 | 2023-06-06 | 国网浙江省电力有限公司宁波供电公司 | Transformer oil remote collection method, device and storage medium based on virtual reality |
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2020
- 2020-11-24 CN CN202022751142.5U patent/CN214010388U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223117A (en) * | 2023-05-08 | 2023-06-06 | 国网浙江省电力有限公司宁波供电公司 | Transformer oil remote collection method, device and storage medium based on virtual reality |
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