CN110850339A - Power transformer detection system - Google Patents
Power transformer detection system Download PDFInfo
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- CN110850339A CN110850339A CN201911303251.6A CN201911303251A CN110850339A CN 110850339 A CN110850339 A CN 110850339A CN 201911303251 A CN201911303251 A CN 201911303251A CN 110850339 A CN110850339 A CN 110850339A
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052802 copper Inorganic materials 0.000 claims abstract description 62
- 239000010949 copper Substances 0.000 claims abstract description 62
- 238000004891 communication Methods 0.000 claims description 28
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention provides a power transformer detection system which comprises a voltage and current collector, a main controller (4), a temperature detection module and a connecting cable, wherein the voltage and current collector, the main controller (4) and the temperature detection module are all connected with a power transformer, the voltage and current collector is connected with the main controller (4) in a wireless mode through the connecting cable, the temperature detection module is in signal connection with the main controller (4), the number of the voltage and current collectors is one or more, and the number of the temperature detection modules is one or more. The invention has simple and reasonable structure, can remotely monitor the current and voltage output by the transformer and the temperature information of the transformer, and can realize the acquisition of big data; through installing voltage current collector on the output copper bar of transformer, can compare with the ammeter data of being connected behind the transformer according to the voltage and the current information of gathering to can discover whether someone steals electricity.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a power transformer detection system.
Background
In an electric power system, a power transformer is often used, which functions to convert a high-voltage signal transmitted by a power grid into 380V (three-phase 220V mains signal). The 380V signal output of most transformers all is through 4 copper bars output, and 3 correspond 3 looks 220V output respectively, and 1 copper bar is zero line output. In practical application, each factory is provided with 1 to a plurality of transformers, the rear ends of the transformers are generally connected with electric meters, the electricity consumption of users is measured according to the electric meters behind the transformers, if someone steals electricity before the electric meters, the electricity consumption cannot be detected, and the method has no problem of remotely monitoring signals of the transformers. In addition, a current transformer and a voltage transformer are installed on a copper bar of the transformer, then an acquisition device is connected behind each transformer, the acquisition device is connected to a computer at a distance in a wired mode, and the acquisition device is uploaded to a server through the computer.
Patent document No. CN110340889A discloses a transformer detection apparatus including: a housing; the power device is arranged on the shell and used for driving the detection equipment to move; the detection device is arranged inside the shell and used for detecting the transformer; the control device is arranged in the shell, is respectively in communication connection with the power device and the detection device, and is used for controlling the power device and the detection device to work; and the power supply device is arranged inside the shell and used for supplying power to the detection equipment. The detection equipment can enter the transformer and freely move in the transformer through the power device, the detection device performs function detection on the transformer, the transformer detection is unmanned, the detection efficiency is high, the labor cost is saved, the detection work can be performed in the normal running state of the transformer, the work of the transformer is not required to be stopped, and the safety and the stability of power supply of a power grid are improved. The scheme is to detect the internal functions of the transformer, detect whether the transformer is damaged or not, detect whether the transformer works reliably or not and cannot detect the current and voltage output by the transformer.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a power transformer detection system.
The power transformer detection system provided by the invention comprises a voltage and current collector, a main controller, temperature detection modules and connecting cables, wherein the voltage and current collector, the main controller and the temperature detection modules are all connected with a power transformer, the voltage and current collector is connected with the main controller in a wireless mode through the connecting cables, the temperature detection modules are in signal connection with the main controller, the number of the voltage and current collectors is one or more, and the number of the temperature detection modules is one or more.
Preferably, the number of the voltage and current collectors is three, and the three voltage and current collectors include a first voltage and current collector, a second voltage and current collector and a third voltage and current collector, and the three voltage and current collectors are respectively installed on a three-phase output copper bar of the power transformer;
the three temperature detection modules comprise a first temperature detection module, a second temperature detection module and a third temperature detection module, and the three temperature detection modules are arranged on a heat dissipation sheet of the power transformer;
and the main controller is installed on a zero line output copper bar of the power transformer.
Preferably, the voltage and current collector comprises a first upper cover, a first lower cover, a first rotating shaft, a first pressure plate assembly and a first thimble; the first upper cover and the first lower cover are respectively provided with a groove, one end of the first upper cover is connected with one end of the first lower cover through a first rotating shaft, the first upper cover and the first lower cover are oppositely arranged after being connected, the other end of the first upper cover is connected with the other end of the first lower cover through a buckle, and the first pressure plate assembly and the first ejector pin are arranged at the grooves of the first upper cover;
the first pressure plate assembly comprises a pressure plate and a spring, the pressure plate is connected with the groove of the first upper cover through the spring, a through hole is formed in the pressure plate, and a first thimble is arranged in the through hole;
and a copper bar clamping position of the power transformer is formed between the first pressing plate assembly and the first lower cover.
Preferably, the first upper cover comprises a first copper pillar, a first upper contact plug, a first coil, a second upper contact plug, a first housing and a first waterproof plug;
a first copper column and a first coil are arranged in the first shell, and the first copper column is connected with a first thimble;
the two ends of the first shell are provided with first waterproof plugs, two paths of plugs are arranged on the first waterproof plugs, one path of plug of the first waterproof plug at one end of the first shell is sequentially connected with the first copper column and the first waterproof plug at the other end of the first shell through cables, and the other path of plug of the first waterproof plug at one end of the first shell is connected with the first waterproof plug at the other end of the first shell through cables;
the first shell is U-shaped, and a first upper contact plug and a second upper contact plug are respectively arranged on two end faces of the U-shape; the first upper contact plug comprises two plugs, and the two plugs of the first upper contact plug are respectively connected with the two plugs of the first waterproof plug; the second upper contact plug is connected to the first coil.
Preferably, the first lower cover includes a first lower contact plug, a second coil, a first circuit board, a second housing, and a second lower contact plug;
a second coil and a first circuit board are arranged in the second shell, the second shell is U-shaped, a first lower contact plug and a second lower contact plug are respectively arranged on two end faces of the U-shape,
the first lower contact plug is connected with the first circuit board, and the second lower contact plug is connected with the second coil and the first circuit board; the first lower contact plug is connected with the first upper contact plug, and the second lower contact plug is connected with the second upper contact plug;
the first circuit board is provided with a vibration sensor and a wireless communication assembly, and the wireless communication assembly transmits voltage, current and vibration data to the main controller through ZIGBEE wireless signals.
Preferably, the main controller comprises a second upper cover, a second lower cover, a second rotating shaft, a second pressure plate assembly and a second ejector pin, wherein grooves are formed in the second upper cover and the second lower cover, one end of the second upper cover is connected with one end of the second lower cover through the second rotating shaft and is oppositely connected with the rear groove, the other end of the second upper cover is connected with the other end of the second lower cover through a buckle, and the second pressure plate assembly and the second ejector pin are arranged at the grooves of the second upper cover;
the second pressing plate assembly comprises a pressing plate and a spring, the pressing plate is connected with the groove of the second upper cover through the spring, a through hole is formed in the pressing plate, and a second ejector pin is arranged in the through hole;
and a copper bar clamping position of the power transformer is formed between the second pressing plate assembly and the second lower cover.
Preferably, the second upper cover comprises a second copper cylinder, a third upper contact plug, a third housing and a second waterproof plug;
a second copper column is arranged in the third shell and connected with a second thimble;
two ends of the third shell are provided with second waterproof plugs, two paths of plugs are arranged on the second waterproof plugs, one path of plug of the second waterproof plug at one end of the third shell is sequentially connected with the second copper column and the second waterproof plug at the other end of the third shell through cables, and the other path of plug of the second waterproof plug at one end of the third shell is connected with the second waterproof plug at the other end of the third shell through cables;
the third shell is U-shaped, and a third upper contact plug is arranged on one end face of the U-shaped shell; the third upper contact plug comprises two plugs, and the two plugs of the third upper contact plug are respectively connected with the two plugs of the second waterproof plug.
Preferably, the second lower cover includes a third lower contact plug, a second circuit board, and a fourth housing;
a second circuit board is arranged in the fourth shell, the fourth shell is U-shaped, a third lower contact plug is arranged on one end face of the U-shape, and the third lower contact plug is connected with the second circuit board and a third upper contact plug;
the second circuit board is provided with a vibration sensor, a GPRS chip, a wireless communication assembly and an alarm device, the GPRS chip is connected with the vibration sensor, the wireless communication assembly and the alarm device, and the alarm device is connected with the vibration sensor and the wireless communication assembly; the second circuit board (38) receives the voltage, current and vibration data transmitted by the voltage and current collector and the temperature and vibration data transmitted by the temperature detection module through the wireless communication component; the second circuit board uploads the received data information and the vibration data of the second circuit board to the background server through GPRS.
Preferably, the temperature detection module includes built-in battery, detection circuit board, temperature sensor, vibration sensor and wireless communication subassembly, and built-in battery connects the detection circuit board, is provided with sensor, vibration sensor and wireless communication subassembly on the detection circuit board, the wireless communication subassembly passes through ZIGBEE wireless signal and transmits temperature data and vibration data for main control unit.
Preferably, the connecting cables comprise a first connecting cable, a second connecting cable and a third connecting cable, and the connecting cables are connected to waterproof plugs between the voltage and current collectors and the main controller;
the first connecting cable is connected with the first voltage current collector and the second voltage current collector, the second connecting cable is connected with the second voltage current collector and the third voltage current collector, and the third connecting cable is connected with the third voltage current collector and the main controller;
the third connecting cable is a two-way conducting cable, one way outputs a zero line signal of the main controller to the voltage and current collector, and the other way transmits a voltage signal of the voltage and current collector to the main controller;
the first connecting cable and the second connecting cable are one path of conducting cables and output zero line signals of the main controller to each voltage and current collector.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has simple and reasonable structure, can remotely monitor the current and voltage output by the transformer and the temperature information of the transformer, judges the quality of a power supply passing through the transformer and can acquire the power information of the transformer in real time.
2. According to the invention, the voltage and current collector is arranged on the output copper bar of the transformer, and the collected voltage and current information can be compared with the data of the ammeter connected behind the transformer, so that whether electricity is stolen by a person can be found.
3. The voltage and current collector, the temperature detection module and the main controller are all provided with vibration sensors, the data of the vibration sensors are sent to the alarm device, and if someone privately detaches the equipment, the vibration data exceed a set value, and the alarm device gives an alarm.
4. The transformer copper bar is clamped by the spring and the pressing plate which are matched with the groove in the shell, and the spring is telescopic, so that the transformer copper bar clamping device can be suitable for copper bars with different sizes and models.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of the connection between the voltage and current collector and the main controller according to the present invention.
Fig. 2 is a schematic structural diagram of a temperature detection module according to the present invention.
Fig. 3 is a schematic structural diagram of the voltage and current collector of the present invention.
Fig. 4 is a schematic structural diagram of the first upper cover of the voltage current collector of the present invention.
Fig. 5 is a schematic structural diagram of the first lower cover of the voltage current collector of the present invention.
FIG. 6 is a schematic structural diagram of the platen assembly of the present invention, wherein the first platen assembly and the second platen assembly have the same structure.
FIG. 7 is a schematic diagram of a main controller according to the present invention.
Fig. 8 is a schematic structural diagram of a second upper cover of the main controller according to the present invention.
Fig. 9 is a schematic structural diagram of a second lower cover of the main controller according to the present invention.
The figures show that:
1-first voltage and current collector 15-first thimble 28-second lower cover
2-second voltage current collector 16-first copper column 29-second rotating shaft
3-third Voltage Current collector 17-first Upper contact plug 30-second platen Assembly
4-main controller 18-first coil 31-second thimble
5-first temperature detection Module 19-second Upper contact plug 32-second waterproof plug
6-second temperature detection module 20-first shell 33-second copper column
7-third temperature detection Module 21-first waterproof plug 34-third Upper contact plug
8-first connecting cable 22-first lower contact plug 35-third housing
9-second connection cable 23-second coil 36-third lower contact plug
10-third connection cable 24-first circuit board 37-fourth housing
11-first upper cover 25-second housing 38-second circuit board
12-first lower cover 26-second lower contact plug 39-pressure plate
13-first rotating shaft 27-second upper cover 40-spring
14-first platen assembly
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The power transformer detection system provided by the invention comprises a voltage and current collector, a main controller 4, temperature detection modules and connecting cables, wherein the voltage and current collector, the main controller 4 and the temperature detection modules are all connected with a power transformer, the voltage and current collector is connected with the main controller 4 in a wireless mode through the connecting cables, the temperature detection modules are in signal connection with the main controller 4, the number of the voltage and current collectors is one or more, and the number of the temperature detection modules is one or more. The three voltage and current collectors are respectively arranged on a three-phase output copper bar of the power transformer, and comprise a first voltage and current collector 1, a second voltage and current collector 2 and a third voltage and current collector 3; the three temperature detection modules comprise a first temperature detection module 5, a second temperature detection module 6 and a third temperature detection module 7, and the three temperature detection modules are arranged on a heat dissipation sheet of the power transformer; and the main controller 4 is installed on a zero line output copper bar of the power transformer.
As shown in fig. 3, the voltage and current collector includes a first upper cover 11, a first lower cover 12, a first rotating shaft 13, a first pressure plate assembly 14 and a first thimble 15; the first upper cover 11 and the first lower cover 12 are both provided with grooves, one end of the first upper cover 11 is connected with one end of the first lower cover 12 through a first rotating shaft 13, the grooves are oppositely arranged after connection, the other end of the first upper cover 11 is connected with the other end of the first lower cover 12 through a buckle, and the first pressure plate assembly 14 and the first ejector pin 15 are arranged at the grooves of the first upper cover 11; as shown in fig. 6, the first pressure plate assembly 14 includes a pressure plate 39 and a spring 40, the pressure plate 39 is connected to the groove of the first upper cover 11 through the spring, a through hole is formed in the pressure plate 39, and a first thimble 15 is arranged in the through hole; the first pressing plate assembly 14 and the first lower cover 12 form a copper bar clamping position of the power transformer. Preferably, in order to ensure that the copper bar is tightly pressed, the pressing plate 39 of the first pressing plate assembly 14 is further provided with an anti-slip sheet; because the spring 40 has scalability, copper bars with different sizes can be compatible; after the copper bar is clamped by the first pressing plate assembly 14 and the first lower cover 12, the first thimble 15 abuts against the copper bar and transmits a voltage and current signal on the copper bar to the first copper column 16.
As shown in fig. 4, the first upper cover 11 includes a first copper pillar 16, a first upper contact plug 17, a first coil 18, a second upper contact plug 19, a first housing 20, and a first waterproof plug 21; a first copper column 16 and a first coil 18 are arranged inside the first shell 20, and the first copper column 16 is connected with the first thimble 15; two ends of the first shell 20 are provided with first waterproof plugs 21, two paths of plugs are arranged on the first waterproof plugs 21, one path of the first waterproof plugs 21 at one end of the first shell 20 is sequentially connected with a first copper column 16 and a first waterproof plug 21 at the other end of the first shell 20 (220V voltage current signals are output by the first copper column 16 from a copper bar) through cables, and the other path of the first waterproof plugs 21 at one end of the first shell 20 is connected with the first waterproof plugs 21 at the other end of the first shell 20 through cables (the other path of the plugs is zero line signals output from the main controller 4); the first shell 20 is U-shaped, and a first upper contact plug 17 and a second upper contact plug 19 are respectively arranged on two end faces of the U-shape; the first upper contact plug 17 comprises two plugs, and the two plugs of the first upper contact plug 17 are respectively connected with the two plugs of the first waterproof plug 21; a second upper contact pin 19 is connected to the first coil 18. The first coil 18 is a winding coil.
As shown in fig. 5, the first lower cover 12 includes a first lower contact plug 22, a second coil 23, a first circuit board 24, a second housing 25, and a second lower contact plug 26; a second coil 23 and a first circuit board 24 are arranged in the second shell 25, the second shell 25 is U-shaped, a first lower contact plug 22 and a second lower contact plug 26 are respectively arranged on two end faces of the U-shape, the first lower contact plug 22 is connected with the first circuit board 24, and the second lower contact plug 26 is connected with the second coil 23 and the first circuit board 24; the first lower contact plug 22 is connected with the first upper contact plug 17, and the second lower contact plug 26 is connected with the second upper contact plug 19; the first circuit board 24 is provided with a vibration sensor and a wireless communication assembly which transmits voltage, current and vibration data to the main controller 4 through ZIGBEE wireless signals. The second coil 23 is a winding coil. The first coil 18 and the second coil 23 are connected to test the current passing through the clamped copper bar.
As shown in fig. 7, the main controller 4 includes a second upper cover 27, a second lower cover 28, a second rotating shaft 29, a second pressure plate assembly 30 and a second ejector pin 31, where the second upper cover 27 and the second lower cover 28 are both provided with a groove, one end of the second upper cover 27 is connected to one end of the second lower cover 28 through the second rotating shaft 29 and is connected to the rear groove in an opposite manner, the other end of the second upper cover 27 is connected to the other end of the second lower cover 28 through a snap, and the second pressure plate assembly 30 and the second ejector pin 31 are disposed at the groove of the second upper cover 27; as shown in fig. 6, the second pressure plate assembly 30 includes a pressure plate 39 and a spring 40, the pressure plate 39 is connected to the groove of the second upper cover 27 through the spring, a through hole is formed in the pressure plate 39, and a second thimble 31 is arranged in the through hole; the second pressing plate assembly 30 and the second lower cover 28 form a copper bar clamping position of the power transformer. Preferably, in order to ensure that the copper bar is tightly pressed, the pressing plate 39 of the second pressing plate assembly 30 is further provided with an anti-slip sheet; because the spring 40 has scalability, copper bars with different sizes can be compatible; after the copper bar is clamped by the second pressing plate assembly 30 and the second lower cover 28, the second ejector pin 31 abuts against the copper bar and transmits the voltage and current signals on the copper bar to the second copper column 33.
As shown in fig. 8, the second upper cover 27 includes a second copper pillar 33, a third upper contact plug 34, a third housing 35, and a second waterproof plug 32; a second copper column 33 is arranged inside the third shell 35, and the second copper column 33 is connected with the second thimble 31; two ends of a third shell 35 are provided with second waterproof plugs 32, two paths of plugs are arranged on the second waterproof plugs 32, one path of the second waterproof plugs 32 at one end of the third shell 35 is sequentially connected with a second copper column 33 and the second waterproof plugs 32 at the other end of the third shell 35 through cables (the second copper column 33 connects a zero line signal from a copper bar), and the other path of the second waterproof plugs 32 at one end of the third shell 35 is connected with the second waterproof plugs 32 at the other end of the third shell 35 through cables (the other path of the plugs is 220V voltage current signals which are connected from a voltage current collector); the third housing 35 is U-shaped, and a third upper contact plug 34 is provided on one end surface of the U-shape; the third upper contact plug 34 comprises two plugs, and the two plugs of the third upper contact plug 34 are respectively connected with the two plugs of the second waterproof plug 32.
As shown in fig. 9, the second lower cover 28 includes a third lower contact plug 36, a second circuit board 38, and a fourth housing 37; a second circuit board 38 is arranged inside the fourth shell 37, the fourth shell 37 is U-shaped, a third lower contact plug 36 is arranged on one end face of the U-shape, and the third lower contact plug 36 is connected with the second circuit board 38 and the third upper contact plug 34; the second circuit board 38 is provided with a vibration sensor, a GPRS chip, a wireless communication component and an alarm device, wherein the GPRS chip is connected with the vibration sensor, the wireless communication component and the alarm device, and the alarm device is connected with the vibration sensor and the wireless communication component; the second circuit board 38 receives the voltage, the current and the vibration data transmitted by the voltage and current collector and the temperature and the vibration data transmitted by the temperature detection module through the wireless communication component; the second circuit board 38 uploads the received data information and the vibration data of the second circuit board to the background server through the GPRS.
As shown in fig. 2, the temperature detection module includes a built-in battery, a detection circuit board, a temperature sensor, a vibration sensor and a wireless communication assembly, the built-in battery is connected with the detection circuit board, the detection circuit board is provided with the sensor, the vibration sensor and the wireless communication assembly, and the wireless communication assembly transmits temperature data and vibration data to the main controller 4 through a ZIGBEE wireless signal. Preferably, the built-in battery is a button battery.
As shown in fig. 1, the connection cables include a first connection cable 8, a second connection cable 9, and a third connection cable 10, the connection cables are connected to waterproof plugs between the voltage and current collectors and the main controller 4, and the waterproof plugs include a first waterproof plug 21 and a second waterproof plug 32; the first connecting cable 8 is connected with the first voltage current collector 1 and the second voltage current collector 2, the second connecting cable 9 is connected with the second voltage current collector 2 and the third voltage current collector 3, and the third connecting cable 10 is connected with the third voltage current collector 3 and the main controller 4; the third connecting cable 10 is two paths of conducting cables, one path outputs a zero line signal of the main controller 4 to the voltage and current collector, and the other path transmits a voltage signal of the voltage and current collector to the main controller 4; the first connecting cable 8 and the second connecting cable 9 are one path of conducting cables, and zero line signals of the main controller 4 are output to each voltage and current collector.
The transformer temperature monitoring system is simple and reasonable in structure, can acquire current and voltage output by the transformer and temperature information of the transformer in real time, realizes remote data monitoring of the transformer through the wireless communication module, can monitor and judge the quality of a power supply provided by the transformer, can access the acquired information into a power system, and performs monitoring management through big data in a unified mode.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a power transformer detecting system, its characterized in that, includes voltage current collector, main control unit (4), temperature detection module and connecting cable, power transformer is all connected to voltage current collector, main control unit (4) and temperature detection module, and voltage current collector passes through connecting cable and wireless mode connection main control unit (4), and temperature detection module signal connection main control unit (4), the quantity of voltage current collector is one or more, the quantity of temperature detection module is one or more.
2. The power transformer detection system according to claim 1, wherein the number of the voltage current collectors is three, and the three voltage current collectors include a first voltage current collector (1), a second voltage current collector (2) and a third voltage current collector (3), and the three voltage current collectors are respectively installed on three-phase output copper bars of the power transformer;
the three temperature detection modules comprise a first temperature detection module (5), a second temperature detection module (6) and a third temperature detection module (7), and the three temperature detection modules are arranged on a heat dissipation sheet of the power transformer;
and the main controller (4) is arranged on a zero line output copper bar of the power transformer.
3. The power transformer detection system of claim 1, wherein the voltage and current collector comprises a first upper cover (11), a first lower cover (12), a first rotating shaft (13), a first pressure plate assembly (14) and a first ejector pin (15); grooves are formed in the first upper cover (11) and the first lower cover (12), one end of the first upper cover (11) is connected with one end of the first lower cover (12) through a first rotating shaft (13), the first upper cover and the first lower cover are oppositely arranged after being connected with the grooves, the other end of the first upper cover (11) is connected with the other end of the first lower cover (12) through a buckle, and the first pressure plate assembly (14) and the first ejector pin (15) are arranged at the grooves of the first upper cover (11);
the first pressure plate assembly (14) comprises a pressure plate (39) and a spring (40), the pressure plate (39) is connected with a groove of the first upper cover (11) through the spring, a through hole is formed in the pressure plate (39), and a first ejector pin (15) is arranged in the through hole;
a copper bar clamping position of the power transformer is formed between the first pressure plate assembly (14) and the first lower cover (12).
4. A power transformer detection system according to claim 3, characterized in that the first upper cover (11) comprises a first copper cylinder (16), a first upper contact plug (17), a first coil (18), a second upper contact plug (19), a first housing (20) and a first watertight plug (21);
a first copper column (16) and a first coil (18) are arranged in the first shell (20), and the first copper column (16) is connected with the first thimble (15);
two ends of the first shell (20) are provided with first waterproof plugs (21), two paths of plugs are arranged on the first waterproof plugs (21), one path of plug of the first waterproof plug (21) at one end of the first shell (20) is sequentially connected with the first copper column (16) and the first waterproof plug (21) at the other end of the first shell (20) through cables, and the other path of plug of the first waterproof plug (21) at one end of the first shell (20) is connected with the first waterproof plug (21) at the other end of the first shell (20) through cables;
the first shell (20) is U-shaped, and a first upper contact plug (17) and a second upper contact plug (19) are respectively arranged on two end faces of the U-shape; the first upper contact plug (17) comprises two plugs, and the two plugs of the first upper contact plug (17) are respectively connected with the two plugs of the first waterproof plug (21); a second upper contact plug (19) is connected to the first coil (18).
5. A power transformer detection system according to claim 4, characterized in that the first lower cover (12) comprises a first lower contact plug (22), a second coil (23), a first circuit board (24), a second housing (25) and a second lower contact plug (26);
a second coil (23) and a first circuit board (24) are arranged in the second shell (25), the second shell (25) is U-shaped, a first lower contact plug (22) and a second lower contact plug (26) are respectively arranged on two end faces of the U-shape,
the first lower contact plug (22) is connected with the first circuit board (24), and the second lower contact plug (26) is connected with the second coil (23) and the first circuit board (24); the first lower contact plug (22) is connected with the first upper contact plug (17), and the second lower contact plug (26) is connected with the second upper contact plug (19);
the first circuit board (24) is provided with a vibration sensor and a wireless communication assembly, and the wireless communication assembly transmits voltage, current and vibration data to the main controller (4) through ZIGBEE wireless signals.
6. The power transformer detection system according to claim 1, wherein the main controller (4) comprises a second upper cover (27), a second lower cover (28), a second rotating shaft (29), a second pressure plate assembly (30) and a second ejector pin (31), grooves are formed in the second upper cover (27) and the second lower cover (28), one end of the second upper cover (27) is connected with one end of the second lower cover (28) through the second rotating shaft (29) and is connected with the rear groove in an opposite mode, the other end of the second upper cover (27) is connected with the other end of the second lower cover (28) through a buckle, and the second pressure plate assembly (30) and the second ejector pin (31) are arranged at the grooves of the second upper cover (27);
the second pressure plate assembly (30) comprises a pressure plate (39) and a spring (40), the pressure plate (39) is connected with the groove of the second upper cover (27) through the spring, a through hole is formed in the pressure plate (39), and a second ejector pin (31) is arranged in the through hole;
and a copper bar clamping position of the power transformer is formed between the second pressure plate assembly (30) and the second lower cover (28).
7. A power transformer detection system according to claim 6, characterized in that the second upper cover (27) comprises a second copper cylinder (33), a third upper contact plug (34), a third housing (35) and a second watertight plug (32);
a second copper column (33) is arranged in the third shell (35), and the second copper column (33) is connected with a second thimble (31);
two ends of a third shell (35) are provided with second waterproof plugs (32), two paths of plugs are arranged on the second waterproof plugs (32), one path of plug of the second waterproof plug (32) at one end of the third shell (35) is sequentially connected with a second copper column (33) and the second waterproof plug (32) at the other end of the third shell (35) through cables, and the other path of plug of the second waterproof plug (32) at one end of the third shell (35) is connected with the second waterproof plug (32) at the other end of the third shell (35) through cables;
the third shell (35) is U-shaped, and a third upper contact plug (34) is arranged on one end face of the U-shape; the third upper contact plug (34) comprises two plugs, and the two plugs of the third upper contact plug (34) are respectively connected with the two plugs of the second waterproof plug (32).
8. A power transformer detection system according to claim 7, characterized in that the second lower cover (28) comprises a third lower contact plug (36), a second circuit board (38) and a fourth housing (37);
a second circuit board (38) is arranged in the fourth shell (37), the fourth shell (37) is U-shaped, a third lower contact plug (36) is arranged on one end face of the U-shape, and the third lower contact plug (36) is connected with the second circuit board (38) and the third upper contact plug (34);
the second circuit board (38) is provided with a vibration sensor, a GPRS chip, a wireless communication assembly and an alarm device, the GPRS chip is connected with the vibration sensor, the wireless communication assembly and the alarm device, and the alarm device is connected with the vibration sensor and the wireless communication assembly; the second circuit board (38) receives the voltage, current and vibration data transmitted by the voltage and current collector and the temperature and vibration data transmitted by the temperature detection module through the wireless communication component; the second circuit board (38) uploads the received data information and the vibration data of the second circuit board to the background server through GPRS.
9. The power transformer detection system according to claim 1, wherein the temperature detection module comprises a built-in battery, a detection circuit board, a temperature sensor, a vibration sensor and a wireless communication component, the built-in battery is connected with the detection circuit board, the detection circuit board is provided with the sensor, the vibration sensor and the wireless communication component, and the wireless communication component transmits the temperature data and the vibration data to the main controller (4) through ZIGBEE wireless signals.
10. The power transformer detection system according to claim 2, wherein the connection cables comprise a first connection cable (8), a second connection cable (9) and a third connection cable (10), and the connection cables are connected to waterproof plugs between the voltage and current collectors and the main controller (4);
the first connecting cable (8) is connected with the first voltage and current collector (1) and the second voltage and current collector (2), the second connecting cable (9) is connected with the second voltage and current collector (2) and the third voltage and current collector (3), and the third connecting cable (10) is connected with the third voltage and current collector (3) and the main controller (4);
the third connecting cable (10) is two paths of conducting cables, one path outputs a zero line signal of the main controller (4) to the voltage and current collector, and the other path transmits a voltage signal of the voltage and current collector to the main controller (4);
the first connecting cable (8) and the second connecting cable (9) are one path of conducting cables, and zero line signals of the main controller (4) are output to the voltage and current collectors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911303251.6A CN110850339A (en) | 2019-12-17 | 2019-12-17 | Power transformer detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911303251.6A CN110850339A (en) | 2019-12-17 | 2019-12-17 | Power transformer detection system |
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| CN110850339A true CN110850339A (en) | 2020-02-28 |
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| CN201911303251.6A Pending CN110850339A (en) | 2019-12-17 | 2019-12-17 | Power transformer detection system |
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