CN101430370B - Thermostatic control zero-drift fluxgraph - Google Patents
Thermostatic control zero-drift fluxgraph Download PDFInfo
- Publication number
- CN101430370B CN101430370B CN2008102319444A CN200810231944A CN101430370B CN 101430370 B CN101430370 B CN 101430370B CN 2008102319444 A CN2008102319444 A CN 2008102319444A CN 200810231944 A CN200810231944 A CN 200810231944A CN 101430370 B CN101430370 B CN 101430370B
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- Prior art keywords
- seal housing
- metallic seal
- circuit board
- drift
- main circuit
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- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000004907 flux Effects 0.000 claims abstract description 12
- 239000000696 magnetic material Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004154 testing of material Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a thermostatically controlled zero drift fluxgraph which comprises a metal seal housing, a main circuit board which is sealed in the metal seal housing and used for testing magnetic flux of magnetic materials, a range setting device for setting work range of the main circuit board, a digital display, a test signal input port and a switching stabilized voltage power supply for supplying power to power utilization units. The range setting device, the digital display and the test signal input port are respectively connected with the main circuit board and arranged on the outside of the metal seal housing, the inside of the metal seal housing is sheathed with a layer of insulating layer and the bottom of the inside is equipped with a heating unit which is supplied by an operational power supply, the operational power supply is controlled by a thermostatic controller, and a temperature sensor which is connected with the thermostatic controller is arranged in the metal seal housing. The thermostatically-controlled zero drift fluxgraph has the advantages of simple structure, low cost and convenient operation, and can effectively solve a zero drift problem of the existing magnetic flux measurement apparatus.
Description
Technical field
The present invention relates to a kind of high performance magnetic material testing tool, especially relate to a kind of thermostatic control zero-drift fluxgraph.
Background technology
Fluxgraph is a kind of testing tool that is used for space magnetic field measurement and magnetic material performance study, and at present, magnetic material testing tool commonly used has magneto-electric, electronic type and digital integration formula structure.But all there is zero point drift problem in various degree in used in the market fluxgraph, thereby very inconvenient in actual use, when measuring, also need return to zero at any time, finally influences measuring accuracy and work efficiency.
Summary of the invention
Technical matters to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of thermostatic control zero-drift fluxgraph is provided, it is simple in structure, with low cost and use easy and simple to handlely, can effectively solve the zero point drift problem of existing magnetic-flux measurement instrument.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of thermostatic control zero-drift fluxgraph, comprise the metallic seal housing, be sealed in the main circuit board that is used to test the magnetic material magnetic flux of metallic seal enclosure interior, the range setting device that the work range of main circuit board is set, the digital indicator that test result is shown synchronously, test signal input port and each power unit carried out the powered switch stabilized voltage supply, described range setting device, digital indicator and test signal input port join with main circuit board respectively and all are arranged on the metallic seal hull outside, it is characterized in that: described metallic seal housing inboard is set with one deck heat-insulation layer and its inside bottom also is equipped with a heating arrangement of being powered by working power, working power is controlled by radiator valve, and a temperature sensor that joins with radiator valve is installed in the internal cavities of metallic seal housing; Described radiator valve and working power all are arranged on the metallic seal outside.
Described heating arrangement is the PTC ceramic heating flake.
Described working power and switching power supply join.
Described heat-insulation layer is a polyurethane insulation coating.
The present invention compared with prior art has the following advantages, 1, not only simple in structure, with low cost, processing and fabricating is convenient and use easy and simple to handle, its need add a heating arrangement that makes this enclosure interior temperature constant in the sealing object inside of existing magnetic flux testing tool, and need not existing magnetic flux testing tool is done other any changes; 2, the main circuit board with the magnetic flux testing tool is sealed in the canister of a constant temperature, has effectively overcome ambient temperature and has changed the zero point drift problem that the magnetic flux testing tool is produced; 3, the metallic seal housing possesses magnetic screening action, has also overcome the interference problem of external magnetic field in the magnetic flux test process.To sum up, the present invention starts with from the source of magnetic-flux measurement instrumental drift problem, efficiently solves the problem of temperature drift and external interference drift, and the magnetic flux testing tool is operated under constant temperature and the masked state.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is circuit theory diagrams of the present invention.
Description of reference numerals:
1-metallic seal housing; 2-main circuit board; 3-range setting device;
4-digital indicator; 5-radiator valve; 6-temperature sensor;
7-switching power supply; 8-working power; 9-PTC ceramic heating flake;
10-test signal input port.
Embodiment
As shown in Figure 1, the present invention includes metallic seal housing 1, be sealed in the main circuit board 2 that is used to test the magnetic material magnetic flux of metallic seal housing 1 inside, range setting device 3 that the work range of main circuit board 2 is set, the digital indicator 4 that test result is shown synchronously, test signal input port 10 and each power unit carried out powered switch stabilized voltage supply 7.Wherein, described range setting device 3, digital indicator 4 and test signal input port 10 join with main circuit board 2 respectively and all are arranged on metallic seal housing 1 outside.In addition, described metallic seal housing 1 inboard is set with one deck heat-insulation layer and its inside bottom also is equipped with a heating arrangement of being powered by working power 8, working power 8 is controlled by radiator valve 5, simultaneously, a temperature sensor 6 that joins with radiator valve 5 is installed in the internal cavities of metallic seal housing 1.Described radiator valve 5 and working power 8 all are arranged on metallic seal housing 1 outside, and working power 8 is joined with switching power supply 7, switching power supply 7 is respectively main circuit board 2 and radiator valve 5 power supplies, and working power 8 is described heating arrangement power supply.In the present embodiment, described heating arrangement is the PTC ceramic heating flake 9 that is installed in metallic seal housing 1 inside bottom, and the heat-insulation layer of metallic seal housing 1 inboard suit is a polyurethane insulation coating.
The course of work of the present invention is: in the magnetic flux test process, temperature sensor 6 in real time metallic seal housing 1 temperature inside is detected and with institute's detection signal synchronous driving to the radiator valve 5 that joins with it, the size of current that radiator valve 5 is tackled working power 8 mutually according to the temperature signal of being imported is controlled, specifically: when temperature sensor 6 detects the internal temperature of metallic seal housing 1 when too high or too low, tackle the electric current of working power 8 by radiator valve 5 mutually and control adjustment, finally realize the temperature constant state of metallic seal housing 1 inside.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (4)
1. thermostatic control zero-drift fluxgraph, comprise metallic seal housing (1), be sealed in the inner main circuit board that is used to test the magnetic material magnetic flux (2) of metallic seal housing (1), the range setting device (3) that the work range of main circuit board (2) is set, the digital indicator (4) that test result is shown synchronously, test signal input port (10) and each power unit carried out powered switch stabilized voltage supply (7), described range setting device (3), digital indicator (4) and test signal input port (10) join with main circuit board (2) respectively and all are arranged on metallic seal housing (1) outside, it is characterized in that: described metallic seal housing (1) inboard is set with one deck heat-insulation layer and its inside bottom also is equipped with a heating arrangement of being powered by working power (8), working power (8) is controlled by radiator valve (5), and a temperature sensor (6) that joins with radiator valve (5) is installed in the internal cavities of metallic seal housing (1); Described radiator valve (5) and working power (8) all are arranged on metallic seal housing (1) outside.
2. according to the described thermostatic control zero-drift fluxgraph of claim 1, it is characterized in that: described heating arrangement is PTC ceramic heating flake (9).
3. according to claim 1 or 2 described thermostatic control zero-drift fluxgraphs, it is characterized in that: described working power (8) is joined with switching power supply (7).
4. according to claim 1 or 2 described thermostatic control zero-drift fluxgraphs, it is characterized in that: described heat-insulation layer is a polyurethane insulation coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102319444A CN101430370B (en) | 2008-10-27 | 2008-10-27 | Thermostatic control zero-drift fluxgraph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102319444A CN101430370B (en) | 2008-10-27 | 2008-10-27 | Thermostatic control zero-drift fluxgraph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101430370A CN101430370A (en) | 2009-05-13 |
| CN101430370B true CN101430370B (en) | 2011-06-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102319444A Active CN101430370B (en) | 2008-10-27 | 2008-10-27 | Thermostatic control zero-drift fluxgraph |
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| Country | Link |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108802483A (en) * | 2018-05-22 | 2018-11-13 | 国网辽宁省电力有限公司电力科学研究院 | A kind of the transformer iron core grounding current on-Line Monitor Device and method of suitable cold operation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4549135A (en) * | 1982-02-16 | 1985-10-22 | Emi Limited | Magnetic field gradiometer with trimming element |
| DE19700753A1 (en) * | 1997-01-11 | 1998-07-16 | Schott Glaswerke | Device and method for detecting the presence and / or the size of metallic pots on a heating or cooking zone |
| CN2777568Y (en) * | 2005-03-05 | 2006-05-03 | 包头稀土研究院 | Permanent magnet type direct measurer for magnetothermal effect |
| CN201314948Y (en) * | 2008-10-27 | 2009-09-23 | 西安西工大思强科技有限公司 | Constant temperature control zero-drift fluxgraph |
-
2008
- 2008-10-27 CN CN2008102319444A patent/CN101430370B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4549135A (en) * | 1982-02-16 | 1985-10-22 | Emi Limited | Magnetic field gradiometer with trimming element |
| DE19700753A1 (en) * | 1997-01-11 | 1998-07-16 | Schott Glaswerke | Device and method for detecting the presence and / or the size of metallic pots on a heating or cooking zone |
| CN2777568Y (en) * | 2005-03-05 | 2006-05-03 | 包头稀土研究院 | Permanent magnet type direct measurer for magnetothermal effect |
| CN201314948Y (en) * | 2008-10-27 | 2009-09-23 | 西安西工大思强科技有限公司 | Constant temperature control zero-drift fluxgraph |
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| Publication number | Publication date |
|---|---|
| CN101430370A (en) | 2009-05-13 |
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Owner name: XI'AN XIGONGDA SIQIANG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: XI'AN SIQIANG TECHNOLOGY LIMITED CORP. NWPU |
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Address after: 710065 No. five, No. 18, hi tech Zone, Shaanxi, Xi'an Patentee after: XI'AN XIGONGDA SIQIANG TECHNOLOGY Co.,Ltd. Address before: 710065 No. five, No. 18, hi tech Zone, Shaanxi, Xi'an Patentee before: SIQIANG TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Thermostatic control zero-drift fluxgraph Effective date of registration: 20181015 Granted publication date: 20110608 Pledgee: Xi'an Hi-tech Emerging Industry Investment Fund Partnership (L.P.) Pledgor: XI'AN XIGONGDA SIQIANG TECHNOLOGY Co.,Ltd. Registration number: 2018610000168 |
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Date of cancellation: 20220630 Granted publication date: 20110608 Pledgee: Xi'an Hi-tech Emerging Industry Investment Fund Partnership (L.P.) Pledgor: XI'AN XIGONGDA SIQIANG TECHNOLOGY Co.,Ltd. Registration number: 2018610000168 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Constant temperature controlled zero drift magnetometer Effective date of registration: 20230927 Granted publication date: 20110608 Pledgee: Bank of China Limited Xi'an High tech Development Zone Sub branch Pledgor: XI'AN XIGONGDA SIQIANG TECHNOLOGY Co.,Ltd. Registration number: Y2023980059733 |