CN211603935U - Transformer temperature controller on-site detection device - Google Patents
Transformer temperature controller on-site detection device Download PDFInfo
- Publication number
- CN211603935U CN211603935U CN202020415191.9U CN202020415191U CN211603935U CN 211603935 U CN211603935 U CN 211603935U CN 202020415191 U CN202020415191 U CN 202020415191U CN 211603935 U CN211603935 U CN 211603935U
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- acquisition device
- platinum resistance
- temperature controller
- oil tank
- signal acquisition
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- 238000001514 detection method Methods 0.000 title claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 73
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005303 weighing Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to a transformer temperature controller witnessed inspections device, its technical characterstic is: the device comprises a shell, wherein a standard power supply, a standard power supply working switch, a current output end, a temperature control and display device, a platinum resistance signal acquisition device, a multi-channel data acquisition device and an equipment switch are arranged on the shell; the temperature control and display device is respectively connected with the constant-temperature oil tank, the platinum resistance signal acquisition device, the current output end and the multi-path data acquisition device, the platinum resistance signal acquisition device is connected with the constant-temperature oil tank, and the transformer temperature controller is connected with the constant-temperature oil tank, the platinum resistance signal acquisition device, the current output end and the multi-path data acquisition device. The utility model relates to a rationally, solved required equipment too much in the testing process, carried inconvenient, the aerial work has the problem of weighing down the thing easily, has characteristics such as degree of automation height and degree of accuracy height, makes things convenient for staff's witnessed inspections, and the on-the-spot security is also secure simultaneously.
Description
Technical Field
The utility model belongs to the technical field of power transformer, a transformer temperature controller is related to, especially a transformer temperature controller field detection device.
Background
In a power supply system, the aging speed, the aging degree and even the service life of a transformer are directly influenced by the operating temperature of the transformer. The temperature controller arranged on the transformer can accurately indicate the oil temperature and winding temperature change conditions of the transformer and timely send out alarm signals and action signals, so that operating personnel can be reminded to take corresponding measures. Therefore, indicators such as indication errors, action errors, remote signal lamps and the like of the transformer temperature controller have to be accurate and reliable and have to be checked regularly to ensure that the transformer temperature controller is always in a good state.
When the transformer temperature controller is newly installed or equipment is not ready to be sent to a laboratory for verification or cannot be replaced by new equipment during overhaul of the transformer, the transformer temperature controller needs to be calibrated on site to ensure that the equipment temperature measuring system is in a good state. During the installation, maintenance and calibration process, various instruments are needed to complete the process, and the danger of high-altitude operation exists, so that the work is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a transformer temperature controller field detection device, solve in the testing process required equipment too much, carry inconvenient, the aerial work has the problem of weighing down the thing easily.
The utility model provides a its technical problem take following technical scheme to realize:
a transformer temperature controller field detection device comprises a shell, wherein a constant temperature oil groove is arranged in the shell, an oil groove cover with a jack is arranged on the oil groove, the oil groove cover is positioned at the upper end of the shell, and a standard power supply, a standard power supply working switch, a current output end, a temperature control and display device, a platinum resistance signal acquisition device, a multi-path data acquisition device and an equipment switch are also arranged on the shell; the temperature control and display device is connected with the constant-temperature oil tank, the platinum resistance signal acquisition device, the current output end and the multi-path data acquisition device respectively, the platinum resistance signal acquisition device is connected with the constant-temperature oil tank, the standard power supply is connected with the transformer temperature controller through the standard power supply working switch and supplies power for the transformer temperature controller, and the transformer temperature controller is connected with the constant-temperature oil tank, the platinum resistance signal acquisition device, the current output end and the multi-path data acquisition device.
The temperature control and display device is also connected with a USB interface, and the USB interface is arranged at the upper end of the casing.
The platinum resistance signal acquisition device comprises a standard platinum resistance thermometer and a platinum resistance measuring end of the tested equipment.
The number of the jacks on the oil groove cover is two, and the jacks are used for a platinum resistance signal acquisition device.
The current of the current output end is 4-20 mA.
The utility model has the advantages that:
the utility model discloses with temperature control and limiting device, collection system, current source and constant temperature oil groove integration together, realize functions such as temperature control system, current input output, voltage input output, when guaranteeing to accord with the national standard check-up requirement, solved in the testing process required equipment too much, carry inconvenient, the eminence operation has the problem of falling object easily, have characteristics such as degree of automation height and degree of accuracy height, make things convenient for staff's witnessed inspections, site safety is also guaranteed simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a circuit block of the present invention;
in the figure, 1-temperature control and display device, 2-constant temperature oil groove, 3-platinum resistance signal acquisition device, 4-current output end, 5-multi-channel data acquisition device, 6-standard current source, 7-standard current source working switch, 8-USB interface, 9-oil groove cover with jack, 10-equipment switch and 11-machine shell.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings.
A transformer temperature controller field detection device is disclosed, as shown in figure 1, comprising a casing 11, a constant temperature oil tank 2 is arranged in the casing, an oil tank cover 9 with a jack is arranged on the oil tank, the oil tank cover is positioned at the upper end of the casing, a standard power supply 6, a standard power supply working switch 7, a 4-20mA current output end 4, a temperature control and display device 1, a platinum resistance signal acquisition device 3, a multi-path data acquisition device 5 and a USB interface 8 are embedded at the upper end of the casing, and an equipment switch 10 is arranged at the front end of the casing.
As shown in fig. 2, the temperature control and display device is respectively connected to the constant temperature oil tank, the platinum resistance signal collecting device (platinum resistance signal collecting terminal), the 4-20mA current output terminal, the multi-channel data collecting device (multi-channel data collecting terminal), and the USB interface, and in this embodiment, the temperature control and display device can be implemented by using a single chip circuit and a liquid crystal display. The platinum resistance signal acquisition device is connected with the constant-temperature oil tank, the standard power supply is connected with the transformer temperature controller through the standard power supply working switch and supplies power to the transformer temperature controller, and the transformer temperature controller is connected with the constant-temperature oil tank, the platinum resistance signal acquisition device, the 4-20mA current output end and the multi-path data acquisition device.
The utility model discloses a theory of operation does: the temperature control and display device is mainly used for temperature control, data display and data processing, the platinum resistance signal acquisition devices (including a standard platinum resistance thermometer and a platinum resistance measuring end of a device to be measured) are all inserted into the oil grooves with the jacks, the standard platinum resistance signals of the platinum resistance signal acquisition devices are used for controlling the temperature rise or the temperature reduction of the constant-temperature oil grooves, and meanwhile, the platinum resistance signals to be measured of the platinum resistance signal acquisition devices can be acquired. The 4-20mA output end is mainly used for collecting a transformer temperature controller with a teletransmission output signal as a current value, and transmitting the collected signal to a temperature control and display device for a worker to check. The multi-channel data acquisition device is mainly used for acquiring contact action signals of the temperature controller of the tested transformer, and transmitting the acquired action signals to the temperature control and display device for workers to check. The standard current source is connected with a corresponding terminal of the tested device through the standard current source working switch, and the standard current source working switch is turned on when additional current is needed in an experiment, so that heating current corresponding to the transformer can be applied. The USB interface is connected with the temperature control and display device to lead out the data of the tested device for the subsequent processing of the working personnel.
The utility model discloses a concrete operation method does:
1. and connecting the standard platinum resistance thermometer with a standard platinum resistance signal acquisition device, and inserting the standard platinum resistance thermometer and a temperature bulb or a composite sensor of a temperature controller of the tested transformer into an insertion hole of the constant-temperature oil groove.
2. And connecting the signal output terminal with a 4-20mA output end or a platinum resistor model to be detected type acquisition device according to the actual condition of the transformer temperature controller.
3. And connecting the action contact of the transformer temperature controller with the multi-path data acquisition device.
4. And if the transformer winding temperature controller needs to be measured, setting the standard current source as corresponding secondary heating current and connecting the secondary heating current with corresponding terminals of the tested equipment.
5. The temperature control and display device is provided with a temperature point to be detected, a temperature constant time and a set contact action value. When the set temperature detection point reaches the constant temperature time interface, the corresponding indication value is prompted to be input, and when the contact action signal is acquired, the contact action value is automatically recorded. If the transformer winding temperature controller is used, a standard current source working switch is turned on when needed, and the equipment can automatically add current.
The utility model discloses the nothing is mentioned the part and is applicable to prior art.
It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention includes but is not limited to the embodiments described in the detailed description, as well as other embodiments derived from the technical solutions of the present invention by those skilled in the art, which also belong to the scope of the present invention.
Claims (5)
1. The utility model provides a transformer temperature controller field detection device which characterized in that: the device comprises a shell, wherein a constant-temperature oil tank is arranged in the shell, an oil tank cover with a jack is arranged on the oil tank, the oil tank cover is positioned at the upper end of the shell, and a standard power supply, a standard power supply working switch, a current output end, a temperature control and display device, a platinum resistance signal acquisition device, a multi-path data acquisition device and an equipment switch are also arranged on the shell; the temperature control and display device is connected with the constant-temperature oil tank, the platinum resistance signal acquisition device, the current output end and the multi-path data acquisition device respectively, the platinum resistance signal acquisition device is connected with the constant-temperature oil tank, the standard power supply is connected with the transformer temperature controller through the standard power supply working switch and supplies power for the transformer temperature controller, and the transformer temperature controller is connected with the constant-temperature oil tank, the platinum resistance signal acquisition device, the current output end and the multi-path data acquisition device.
2. The on-site detection device for the transformer temperature controller according to claim 1, wherein: the temperature control and display device is also connected with a USB interface, and the USB interface is arranged at the upper end of the casing.
3. The on-site detection device for the transformer temperature controller according to claim 1 or 2, wherein: the platinum resistance signal acquisition device comprises a standard platinum resistance thermometer and a platinum resistance measuring end of the tested equipment.
4. The on-site detection device for the transformer temperature controller according to claim 1 or 2, wherein: the number of the jacks on the oil groove cover is two, and the jacks are used for a platinum resistance signal acquisition device.
5. The on-site detection device for the transformer temperature controller according to claim 1 or 2, wherein: the current of the current output end is 4-20 mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415191.9U CN211603935U (en) | 2020-03-27 | 2020-03-27 | Transformer temperature controller on-site detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415191.9U CN211603935U (en) | 2020-03-27 | 2020-03-27 | Transformer temperature controller on-site detection device |
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| Publication Number | Publication Date |
|---|---|
| CN211603935U true CN211603935U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020415191.9U Active CN211603935U (en) | 2020-03-27 | 2020-03-27 | Transformer temperature controller on-site detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552863A (en) * | 2021-08-11 | 2021-10-26 | 广西电网有限责任公司电力科学研究院 | Additional temperature rise calibrating device and method for transformer winding temperature controller |
-
2020
- 2020-03-27 CN CN202020415191.9U patent/CN211603935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552863A (en) * | 2021-08-11 | 2021-10-26 | 广西电网有限责任公司电力科学研究院 | Additional temperature rise calibrating device and method for transformer winding temperature controller |
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