CN208172223U - A kind of stray transformer flux detection device - Google Patents
A kind of stray transformer flux detection device Download PDFInfo
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- CN208172223U CN208172223U CN201820525323.6U CN201820525323U CN208172223U CN 208172223 U CN208172223 U CN 208172223U CN 201820525323 U CN201820525323 U CN 201820525323U CN 208172223 U CN208172223 U CN 208172223U
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- iron core
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- magnetic field
- field sensor
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000004907 flux Effects 0.000 title claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 58
- 230000005415 magnetization Effects 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 7
- 229910000828 alnico Inorganic materials 0.000 claims description 17
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
A kind of stray transformer flux detection device of the utility model, belongs to transformer detection technique field, solves that complicated for operation, sensitivity existing in the prior art is low and the slow-footed technical problem of detection；The utility model includes iron core, magnetic field sensor, probe, filter, field amplifier, data collector and portable machine, two pieces of iron cores are vertically arranged, one piece of iron core is horizontally disposed, horizontal iron core is equipped with a primary coil, the both ends of primary coil connect ac magnetization power supply, a secondary coil is equipped on vertically disposed two pieces of iron cores, two secondary coils are linked together by a copper rod, magnetic field sensor is fixedly mounted among two pieces of vertical iron cores by two support rods, probe connects magnetic field sensor by conducting wire, field amplifier, filter, data collector and portable machine are cascaded one by one；The utility model structural principle is simple, easy to operate, high sensitivity, and detection speed is fast.
Description
Technical field
The utility model belongs to transformer detection technique field, and in particular to a kind of stray transformer flux detection device.
Background technique
Faraday has invented one " inductive loop " on August 29th, 1831, referred to as " faraday's induction coil ", actually
First transformer blank in the world.But faraday did not considered that it can be with only with it come electromagnetic induction principle of demonstrating
There is actual purposes.Transformer is the device for changing alternating voltage using the principle of electromagnetic induction.Transformer can convert friendship
Galvanic electricity pressure, electric current and impedance.Transformer can be divided into, according to use,：Power transformer and special transformer；Special transformer includes
Electric furnace become, rectification change, power frequency testing transformer, pressure regulator, mining change, audio-frequency transformer, intermediate-frequency transformer, high frequency transformer,
Impact transformer, instrument transformer, electronic transformer, reactor, mutual inductor etc..The circuit symbol of transformer often uses T as volume
Number beginning, such as T01, T201.
Iron core that simplest iron-core transformer is made by a soft magnetic materials and two the number of turns covered on iron core differ
Coil constitute.The effect of iron core is the magnetic coupling reinforced between two coils.In order to reduce vortex and magnetic hystersis loss, iron core in iron
It is formed by the silicon steel plate stacking painted；There is no the connection of electricity between two coils, coil is coiled by insulated copper wire or aluminum steel.One
Coil connects AC power source and is known as primary coil or primary coil, another coil connects electrical appliance and is known as secondary coil or secondary coil.But
Transformer is inevitably present the problems such as copper loss, iron loss and leakage field；Copper loss, that is, coil resistance fever；Iron loss, that is, iron core fever；
Leakage field is the line of magnetic induction being closed through air.And there are complicated for operation, sensitive for stray transformer flux detection device in the prior art
Spend the low and slow-footed technological deficiency of detection.
Utility model content
The purpose of this utility model is to provide a kind of stray transformer flux detection devices, solve behaviour existing in the prior art
Work is complicated, sensitivity is low and the slow-footed technical problem of detection.
To achieve the above object, the utility model provides the following technical solutions：
A kind of stray transformer flux detection device of the utility model includes ac magnetization power supply, primary coil, iron core I, iron core
II, iron core III, secondary coil, copper rod, support rod I, support rod II, magnetic field sensor, probe, conducting wire I, conducting wire II, filter,
Field amplifier, data collector, connecting line I, connecting line II, connecting line III and portable machine；
The left end of the iron core I is connect with iron core II, and right end is connect with iron core III；
The left end of the magnetic field sensor is connect by support rod I with iron core II, and right end passes through support rod II and iron core III
Connection；
The primary coil is wrapped on iron core I, and one end of primary coil is connect with one end of ac magnetization power supply, primary
The other end of coil is connect with the other end of ac magnetization power supply；
The secondary coil is respectively wound around on iron core II and iron core III, and the both ends of secondary coil are connected by copper rod；It twines
The secondary coil being wound on iron core iron core II is the first secondary coil, and the secondary coil being wrapped on iron core III is second subprime line
Circle；
The left end of the magnetic field sensor is connect by support rod I with iron core II, and the left end of magnetic field sensor, which also passes through, leads
Line II is connect with field amplifier, and field amplifier is connect by connecting line I with filter, and filter passes through connecting line II and number
It is connected according to collector, data collector is connect by connecting line III with portable machine；Magnetic field sensor right end by support rod II with
Iron core III connects, and the right end of magnetic field sensor also passes through conducting wire I and probe connects.
Hall element is equipped with inside the magnetic field sensor, the left side of Hall element is equipped with the first alnico magnets, right side
Equipped with the second alnico magnets, the first alnico magnets and the second alnico magnets are to be disposed vertically, and described first is permanent
The N of magnet is extremely upward, and the S of second alnico magnets 23 is extremely upward.
The utility model by adopting the above technical scheme can bring following advantageous effects：
Filter realization in the utility model effectively filters out the frequency point of specific frequency in power supply line, obtains one
The power supply signal of specific frequency；Magnetic field sensor is used to for the amount in various magnetic fields and its variation to be transformed into electric signal output；Data
Collector, which is able to carry out, to be acquired in real time, is automatically stored, instant playback, immediate feedback, automatically processing and transmit automatically；This is practical new
Type has many advantages, such as that simple structural principle, easy to operate, high sensitivity, detection speed are fast.
Detailed description of the invention
Fig. 1 is a kind of stray transformer flux structure of the detecting device schematic diagram of the utility model；
Fig. 2 is a kind of magnetic field sensor structural schematic diagram of stray transformer flux detection device of the utility model；
Wherein, 1- iron core I, 2- iron core II, 3- iron core III, 4- ac magnetization power supply, 5- primary coil, the first secondary wire of 6-
Circle, 7- second subprime coil, 8- magnetic field sensor, 9- support rod I, 10- support rod II, 11- conducting wire I, 12- conducting wire II, 13- connect
Wiring I, 14- connecting line II, 15- connecting line III, 16- copper rod, 17- filter, 18- field amplifier, 19- data collector,
20- portable machine, 21- Hall element, the first alnico magnets of 22-, the second alnico magnets of 23-, 24- probe.
Specific embodiment
The utility model is further elaborated below in conjunction with attached drawing.
Referring to attached drawing 1 and attached drawing 2, a kind of stray transformer flux detection device of the utility model include ac magnetization power supply 4, just
Grade coil 5, iron core I 1, iron core II 2, iron core III 3, secondary coil, copper rod 16, support rod I 9, support rod II 10, magnetic field sensor
8, pop one's head in 24, conducting wire I 11, conducting wire II 12, filter 17, field amplifier 18, data collector 19, connecting line I 13, connecting line
II 14, connecting line III 15 and portable machine 20；
The left end of the iron core I 1 is connect with iron core II 2, and right end is connect with iron core III 3；
The left end of the magnetic field sensor 8 is connect by support rod I 9 with iron core II 2, and right end passes through support rod II 10 and iron
Core III 3 connects；
The primary coil 5 is wrapped on iron core I 1, and one end of primary coil 5 is connect with one end of ac magnetization power supply 4,
The other end of primary coil 5 is connect with the other end of ac magnetization power supply 4；
The secondary coil is respectively wound around on iron core II 2 and iron core III 3, and the both ends of secondary coil are connected by copper rod 16
It connects；Being wrapped in secondary coil on iron core iron core II 2 is the first secondary coil 6, and the secondary coil being wrapped on iron core III 3 is the
Secondary stage coil 7；
The left end of the magnetic field sensor 8 is connect by support rod I 9 with iron core II 2, and the left end of magnetic field sensor 8 is also logical
It crosses conducting wire II 12 to connect with field amplifier 18, field amplifier is connect by connecting line I 13 with filter 17, and filter 17 is logical
It crosses connecting line II 14 to connect with data collector 19, data collector 19 is connect by connecting line III 15 with portable machine 20；Magnetic field
8 right end of sensor is connect by support rod II 10 with iron core III 3, and the right end of magnetic field sensor 8 also passes through conducting wire I 11 and probe 24
Connection.
Hall element 21 is equipped with inside the magnetic field sensor 8, the left side of Hall element 21 is equipped with the first alnico magnets
22, right side is equipped with the second alnico magnets 23, and the first alnico magnets 22 and the second alnico magnets 23 are to be disposed vertically, institute
The N for stating the first alnico magnets 22 is extremely upward, and the S of second alnico magnets 23 is extremely upward.
Claims (2)
1. a kind of stray transformer flux detection device, it is characterised in that：Including ac magnetization power supply (4), primary coil (5), iron core I
(1), iron core II (2), iron core III (3), secondary coil, copper rod (16), support rod I (9), support rod II (10), magnetic field sensor
(8), it pops one's head in (24), conducting wire I (11), conducting wire II (12), filter (17), field amplifier (18), data collector (19), connect
Wiring I (13), connecting line II (14), connecting line III (15) and portable machine (20)；
The left end of the iron core I (1) is connect with iron core II (2), and right end is connect with iron core III (3)；
The left end of the magnetic field sensor (8) is connect by support rod I (9) with iron core II (2), and right end passes through support rod II (10)
It is connect with iron core III (3)；
The primary coil (5) is wrapped on iron core I (1), one end of primary coil (5) and the one end of ac magnetization power supply (4)
Connection, the other end of primary coil (5) are connect with the other end of ac magnetization power supply (4)；
The secondary coil is respectively wound around on iron core II (2) and iron core III (3), and the both ends of secondary coil are connected by copper rod (16)
It is connected together；The secondary coil being wrapped on iron core iron core II (2) is the first secondary coil (6), is wrapped on iron core III (3)
Secondary coil is second subprime coil (7)；
The left end of the magnetic field sensor (8) also passes through conducting wire II (12) and connect with field amplifier (18), field amplifier
(18) it is connect by connecting line I (13) with filter (17), filter (17) passes through connecting line II (14) and data collector
(19) it connects, data collector (19) is connect by connecting line III (15) with portable machine (20)；Magnetic field sensor (8) right end passes through
Support rod II (10) is connect with iron core III (3), and the right end of magnetic field sensor (8) also passes through conducting wire I (11) and connect with probe (24).
2. a kind of stray transformer flux detection device according to claim 1, which is characterized in that the magnetic field sensor (8)
Inside is equipped with Hall element (21), and the left side of Hall element (21) is equipped with the first alnico magnets (22), and right side is equipped with second forever
Long property magnet (23), the first alnico magnets (22) and the second alnico magnets (23) are to be disposed vertically, and described first is permanent
The N of property magnet (22) is extremely upward, and the S of second alnico magnets (23) is extremely upward.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215580X | 2018-02-07 | ||
| CN201820215580 | 2018-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208172223U true CN208172223U (en) | 2018-11-30 |
Family
ID=64369239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820525323.6U Active CN208172223U (en) | 2018-02-07 | 2018-04-13 | A kind of stray transformer flux detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208172223U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414884A (en) * | 2018-05-13 | 2018-08-17 | 郭小红 | A kind of transformer fault monitoring method |
| CN108535573A (en) * | 2018-05-13 | 2018-09-14 | 郭小红 | A kind of magnetic field monitoring device towards transformer fault monitoring device |
| CN108535574A (en) * | 2018-05-13 | 2018-09-14 | 郭小红 | Transformer fault monitoring device |
| CN108614223A (en) * | 2018-05-13 | 2018-10-02 | 郭小红 | Current collector parameter determination method in a kind of magnetic field monitoring device |
-
2018
- 2018-04-13 CN CN201820525323.6U patent/CN208172223U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414884A (en) * | 2018-05-13 | 2018-08-17 | 郭小红 | A kind of transformer fault monitoring method |
| CN108535573A (en) * | 2018-05-13 | 2018-09-14 | 郭小红 | A kind of magnetic field monitoring device towards transformer fault monitoring device |
| CN108535574A (en) * | 2018-05-13 | 2018-09-14 | 郭小红 | Transformer fault monitoring device |
| CN108614223A (en) * | 2018-05-13 | 2018-10-02 | 郭小红 | Current collector parameter determination method in a kind of magnetic field monitoring device |
| CN108614223B (en) * | 2018-05-13 | 2020-09-22 | 岳阳神威电磁设备有限公司 | Method for determining parameters of current collector in magnetic field monitoring device |
| CN108535574B (en) * | 2018-05-13 | 2020-10-09 | 江苏亚威变压器有限公司 | Transformer fault monitoring device |
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