CN201314948Y - Constant temperature control zero-drift fluxgraph - Google Patents
Constant temperature control zero-drift fluxgraph Download PDFInfo
- Publication number
- CN201314948Y CN201314948Y CNU2008202220928U CN200820222092U CN201314948Y CN 201314948 Y CN201314948 Y CN 201314948Y CN U2008202220928 U CNU2008202220928 U CN U2008202220928U CN 200820222092 U CN200820222092 U CN 200820222092U CN 201314948 Y CN201314948 Y CN 201314948Y
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- Prior art keywords
- drift
- seal housing
- metallic seal
- circuit board
- main circuit
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- Expired - Fee Related
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Abstract
The utility model discloses a constant temperature control zero-drift fluxgraph which comprises a metal sealing casing, a main circuit board sealed inside the metal sealing casing and used for testing the magnetic flux of a magnetic material, a measuring-range setting device for setting the operating range of the main circuit board, a digital display, a test signal input port and a switching stabilized-voltage power supply for power supply to all electric units, wherein, the measuring-range setting device, the digital display and the test signal input port are respectively connected with the main circuit board and arranged on the outer side of the metal sealing casing, a layer of insulating layer is sleeved on the inner side of the metal sealing casing, a heating device powered by an operational power supply is also installed at the bottom on the inner side of the metal sealing shell, the operational power supply is controlled by a constant temperature controller, and a temperature sensor connected with the constant temperature controller is installed inside the metal sealing casing. The utility model has the advantages of simple structure, low cost and simple and convenient use and operation; and can effectively solve the zero-drift problem of the prior fluxgraph.
Description
Technical field
The utility model relates to a kind of high performance magnetic material testing tool, especially relates 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.
The utility model content
Technical problem to be solved in the utility model 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 adopted in the utility model 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 utility model 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 utility model is started 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, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a circuit block diagram of the present utility model.
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 utility model comprise 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 utility model 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 utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
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 |
|---|---|---|---|
| CNU2008202220928U CN201314948Y (en) | 2008-10-27 | 2008-10-27 | Constant temperature control zero-drift fluxgraph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202220928U CN201314948Y (en) | 2008-10-27 | 2008-10-27 | Constant temperature control zero-drift fluxgraph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314948Y true CN201314948Y (en) | 2009-09-23 |
Family
ID=41126748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202220928U Expired - Fee Related CN201314948Y (en) | 2008-10-27 | 2008-10-27 | Constant temperature control zero-drift fluxgraph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314948Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430370B (en) * | 2008-10-27 | 2011-06-08 | 西安西工大思强科技有限公司 | Thermostatic control zero-drift fluxgraph |
| CN109116121A (en) * | 2018-07-27 | 2019-01-01 | 中国科学院寒区旱区环境与工程研究所 | A kind of precision resister measuring instrument suitable for low temperature environment |
-
2008
- 2008-10-27 CN CNU2008202220928U patent/CN201314948Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430370B (en) * | 2008-10-27 | 2011-06-08 | 西安西工大思强科技有限公司 | Thermostatic control zero-drift fluxgraph |
| CN109116121A (en) * | 2018-07-27 | 2019-01-01 | 中国科学院寒区旱区环境与工程研究所 | A kind of precision resister measuring instrument suitable for low temperature environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xigongda Science and Technology Zone Development Co., Ltd. Assignor: Xi'an Siqiang Technology Limited Corp. NWPU Contract fulfillment period: 2008.10.20 to 2018.10.20 Contract record no.: 2009610000159 Denomination of utility model: Thermostatic control zero-drift fluxgraph Granted publication date: 20090923 License type: Exclusive license Record date: 20091214 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.20 TO 2018.10.20; CHANGE OF CONTRACT Name of requester: XI AN HIGH-TECH ZONE NORTHWESTERN POLYTECHNICAL UN Effective date: 20091214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20141027 |
|
| EXPY | Termination of patent right or utility model |