CN203870231U - Handheld magnetic polarity tester for satellites - Google Patents
Handheld magnetic polarity tester for satellites Download PDFInfo
- Publication number
- CN203870231U CN203870231U CN201420229751.6U CN201420229751U CN203870231U CN 203870231 U CN203870231 U CN 203870231U CN 201420229751 U CN201420229751 U CN 201420229751U CN 203870231 U CN203870231 U CN 203870231U
- Authority
- CN
- China
- Prior art keywords
- light emitting
- resistance
- emitting diode
- hall device
- polarity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a handheld magnetic polarity tester for satellites, belonging to the technical field of satellite or spacecraft test. The tester comprises a Hall device H1, a Hall device H2, a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a power switch K, a resistor R1, a resistor R2, a resistor R3, a 9V packed cell, a shell and two steel magnets. The Hall device H1, the Hall device H2, the light emitting diode D1, the light emitting diode D2, the light emitting diode D3, the power switch K, the resistor R1, the resistor R2, the resistor R3 and the 9V packed cell are connected by wires. The handheld magnetic polarity tester of the utility model is small in size, light in weight and convenient to carry. The handheld magnetic polarity tester can be used for testing the polarity of a magnetic torquer, and the permanent steel magnets of the tester can be used for testing the polarity of a magnetometer on a satellite. The testing time is shortened, and the accuracy and safety of testing are ensured.
Description
Technical field
The utility model relates to hand-held magnetic polarity tester for satellite, belongs to satellite or airship technical field of measurement and test.
Background technology
Magnetic torquer is one of execution unit of Satellite attitude and orbit control system, and the magnetic field that utilization produces and spatially magnetic field interaction produce moment.Satellite (airship) is controlled subsystem in subsystem test, whole each stage of star AIT and launching site test, need to control polarity to magnetic torquer, magnetometer and test confirmation.At present, it is guide for use pin that test magnetic torquer is controlled polarity method, test magnetometer magnet steel.Because existing compass model is various, sensitivity, polarity mark are all not quite similar, before test, first to utilize magnetic field of the earth to carry out polarity calibration validation to compass, because buildings has bar construction, test site has metal etc. to disturb magnetic field peripherally, makes to confirm that compass polarity is very difficult.While utilizing compass to carry out magnetic torquer polarity test, test process is loaded down with trivial details, the beat of pointer is insensitive, particularly when vertical use, pointer often blocks, while measuring the little magnetic torquer of magnetic moment, pointer swings hardly, makes to test magnetic torquer polarity results unintelligible, easily cause polarity erroneous judgement, have great risk.After magnetic torquer installs on satellite, different satellite magnetic torquers installation site is also different, tests more difficult, easily break satellite and miscellaneous part, due to narrow space, even can not test, not only increase testing complex degree, also had many potential safety hazards.
Hall switch device volume is little, has higher accuracy, sensitivity and stability, and has very wide operating temperature range.The utility model proposes a kind of magnetic polarity tester, adopt hall device as magnetic measurement parts.In order to improve versatility and the data reliability of tester, output characteristics to the general interior all magnetic torquer products of Fifth Academy of Aerospace Industry's type is analyzed and is tested, finally choose suitable hall device, and through processing of circuit targetedly, only with a kind of model hall device, just N/S pole field can be detected, the polarity of the magnetic field of magnetic torquer can be measured quickly and accurately.The design of employing hand-held, the similar multimeter of profile, built-in 9V powered battery, test probe is small and exquisite, be applicable to small space, integrate power supply, measurement and display, meet test needs, device security is reliable, easy to use, simply effective, weight is light and handy, is easy to carry.
Magnetometer is one of sensor of instrumented satellite attitude, utilizes and measures terrestrial magnetic field, determines the attitude of satellite.But ground is in the face of the test confirmation of magnetometer polarity, the good way of neither one, utilizes the fixed polarity magnetic field of permanent magnet steel generation to carry out polarity test to magnetometer.Permanent magnet steel is built in to tester inside, on the one hand can be for the self check of magnetic polarity tester, on the other hand can be for magnetometer functional test.Dual-use.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, proposes hand-held magnetic polarity tester for satellite.
The purpose of this utility model is achieved through the following technical solutions.
Hand-held magnetic polarity tester for satellite of the present utility model, this tester comprises hall device H1, hall device H2, light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3,9V collection layer battery, shell and two magnet steel; Between hall device H1, hall device H2, light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3 and 9V collection layer battery, by wire, connect;
And light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3,9V collection layer battery and two magnet steel are all positioned at shell, the N utmost point of one of them magnet steel is fixed on outer casing inner wall, and the S level of another one magnet steel is fixed on the inwall of shell;
The anode of 9V collection layer battery after power switch K, connects the 1st pin of hall device H1, the 1st pin of hall device H2, one end of resistance R 1, one end of one end of resistance R 2 and resistance R 3;
The anode of the other end sending and receiving optical diode D1 of resistance R 1; The anode of the other end sending and receiving optical diode D2 of resistance R 2; The anode of the other end sending and receiving optical diode D3 of resistance R 3;
The 2nd pin of hall device H1 connects the negative terminal of 9V collection layer battery, and the 2nd pin of hall device H2 connects the negative terminal of 9V collection layer battery, and the negative terminal of light emitting diode D1 connects the negative terminal of 9V collection layer battery;
The negative terminal of the 3rd pin sending and receiving optical diode D2 of hall device H1;
The negative terminal of the 3rd pin sending and receiving optical diode D3 of hall device H2;
Light emitting diode D1 is as power light;
Light emitting diode D2 is as N magnetic polarity signal lamp;
Light emitting diode D3 is as S magnetic polarity signal lamp;
Hall device H1 and hall device H2 distinguish fixing seal in a right cylinder, and draw as magnetic polarity and pop one's head in wire;
Above-mentioned tester adopts hand-held design.
Beneficial effect
Hand-held magnetic polarity tester of the present utility model, volume is little, lightweight, easy to carry, not only can test magnetic torquer polarity, and, the permanent magnet steel carrying, can also carry out polarity test to the magnetometer on satellite, not only shorten the test duration, more guarantee accuracy, the security of test.Hall detector part is to using Hall effect as theoretical foundation, the Mageneto-sensitive type detecting element that the Hall element of take is core component.Tested magnetic field intensity is converted to low and high level output, its output voltage within the specific limits with the proportional relation of magnetic induction intensity.Hall integrated device is simple in structure, technical maturity, good linearity, bandwidth, volume are little, long service life, and the most frequently used Hall element is made by semiconductor materials such as germanium, silicon, indium antimonide and indium arsenides at present.Selecting hall device model is UGN3501, and this device forms individual devices by Hall element, amplifier, Schmidt trigger, stabilized voltage supply and output circuit by integrated manufacture craft, and volume is little, function is complete.The corresponding magnetic induction density of transformation of low and high level is unequal, switching characteristic has switching return difference, there is good antijamming capability, can effectively prevent the misoperation that the interference such as electromagnetic field, vibrations cause, and with compensating circuit, contribute to reduce error, inner set stabilized voltage supply has wider voltage range, generally can be 3～16V, not only compact dimensions, is convenient to application.
According to the work characteristics of magnetic torquer, the magnetic field intensity that magnetic torquer is exported is linear increasing with the increase of electric current in magnetizing coil, and disconnect when exciting circuit, after exciting curent disappears, the magnetic field in magnetic torquer also disappear and remnant field intensity very little.In the magnetic field (N/S) that Hall switch is produced at magnetic torquer, the voltage signal of induction is through processing of circuit, driving diode displaying is magnetic polarity test result, intuitive display, reliable and stable, for magnetic torquer polarity test, can realize sensor volume little, low in energy consumption, with the contactless demand of testee, meet magnetic torquer polarity test.
In order to improve versatility and the data reliability of tester, the output characteristics of magnetic torquer product is analyzed and tested, finally choose suitable hall device, and through processing of circuit targetedly, only with a kind of model hall device, just can detect N/S pole field, drive respectively light emitting diode, show tested magnetic polarity, can measure quickly and accurately the polarity of the magnetic field of magnetic torquer, magnetic field do not detected, light emitting diode does not work, and has higher test result accuracy, reliability, the risk of having avoided misjudgement, having failed to judge.
Because hall device is low in energy consumption, when static, static current of lcd only has microampere order, therefore, adopts 9V collection layer powered battery, and volume is little, and in the life-span long (can use more than 2 years), it is convenient to change.
For the ease of carrying, outer casing bottom has openable tegillum, and magnetic polarity probe and signal wire can be received into shell inside, makes instrument outward appearance succinct, neat.
Two permanent magnet steel that external polarity is different are inlayed in tester inside, can self check checking polarity correctness before both having can be used for using.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of tester of the present utility model;
Fig. 2 is the polarity schematic diagram of hall device in embodiment;
Fig. 3 is the encapsulation schematic diagram of hall device in embodiment;
The schematic diagram of Fig. 4 when magnetic torquer being tested with tester of the present utility model;
Fig. 5 is the schematic diagram when magnetometer is tested with tester of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
As shown in Figure 1, hand-held magnetic polarity tester for satellite, this tester comprises hall device H1, hall device H2, light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3,9V collection layer battery, shell and two magnet steel; Between hall device H1, hall device H2, light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3 and 9V collection layer battery, by wire, connect;
And light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3,9V collection layer battery are all positioned at shell, the N utmost point of one of them magnet steel is fixed on outer casing inner wall, and the S level of another one magnet steel is fixed on the inwall of shell;
The anode of 9V collection layer battery after power switch K, connects the 1st pin of hall device H1, the 1st pin of hall device H2, one end of resistance R 1, one end of one end of resistance R 2 and resistance R 3;
The anode of the other end sending and receiving optical diode D1 of resistance R 1; The anode of the other end sending and receiving optical diode D2 of resistance R 2; The anode of the other end sending and receiving optical diode D3 of resistance R 3;
The 2nd pin of hall device H1 connects the negative terminal of 9V collection layer battery, and the 2nd pin of hall device H2 connects the negative terminal of 9V collection layer battery, and the negative terminal of light emitting diode D1 connects the negative terminal of 9V collection layer battery;
The negative terminal of the 3rd pin sending and receiving optical diode D2 of hall device H1;
The negative terminal of the 3rd pin sending and receiving optical diode D3 of hall device H2;
Light emitting diode D1 is as power light;
Light emitting diode D2 is as N magnetic polarity signal lamp;
Light emitting diode D3 is as S magnetic polarity signal lamp;
As shown in Figure 2, hall device H1 and hall device H2 are UGN3501 model device;
As shown in Figure 3, hall device H1 and hall device H2 distinguish fixing seal in a right cylinder, and draw as magnetic polarity and pop one's head in wire;
As shown in Figure 4, when magnetic torquer is carried out to polarity test, magnetic polarity probe is placed in to the test lead of tested magnetic torquer; When test lead polarity is N, the N magnetic polarity signal lamp of tester brightens; When test lead polarity is S, the S magnetic polarity signal lamp of tester brightens; When magnetic torquer magnetic polarity not detected, pilot lamp does not all work, and avoids misjudging risk.
As shown in Figure 5, when magnetometer is carried out to polarity test, by the N of tester, extremely near magnetometer, the output of interpretation magnetometer, if the output of the N utmost point becomes large, illustrates that magnetometer polarity is correct, if the output of the N utmost point diminishes, magnetometer incorrect polarity is described.
Claims (2)
1. hand-held magnetic polarity tester for satellite, is characterized in that: this tester comprises hall device H1, hall device H2, light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3,9V collection layer battery, shell and two magnet steel;
Between hall device H1, hall device H2, light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3 and 9V collection layer battery, by wire, connect;
Light emitting diode D1, light emitting diode D2, light emitting diode D3, power switch K, resistance R 1, resistance R 2, resistance R 3,9V collection layer battery and two magnet steel are all positioned at shell, the N utmost point of one of them magnet steel is fixed on outer casing inner wall, and the S level of another one magnet steel is fixed on the inwall of shell;
The anode of 9V collection layer battery after power switch K, connects the 1st pin of hall device H1, the 1st pin of hall device H2, one end of resistance R 1, one end of one end of resistance R 2 and resistance R 3;
The anode of the other end sending and receiving optical diode D1 of resistance R 1; The anode of the other end sending and receiving optical diode D2 of resistance R 2; The anode of the other end sending and receiving optical diode D3 of resistance R 3;
The 2nd pin of hall device H1 connects the negative terminal of 9V collection layer battery, and the 2nd pin of hall device H2 connects the negative terminal of 9V collection layer battery, and the negative terminal of light emitting diode D1 connects the negative terminal of 9V collection layer battery;
The negative terminal of the 3rd pin sending and receiving optical diode D2 of hall device H1;
The negative terminal of the 3rd pin sending and receiving optical diode D3 of hall device H2.
2. hand-held magnetic polarity tester for satellite according to claim 1, is characterized in that: hall device H1 and hall device H2 distinguish fixing seal in a right cylinder, and draw as magnetic polarity and pop one's head in wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229751.6U CN203870231U (en) | 2014-05-06 | 2014-05-06 | Handheld magnetic polarity tester for satellites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229751.6U CN203870231U (en) | 2014-05-06 | 2014-05-06 | Handheld magnetic polarity tester for satellites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870231U true CN203870231U (en) | 2014-10-08 |
Family
ID=51651169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420229751.6U Active CN203870231U (en) | 2014-05-06 | 2014-05-06 | Handheld magnetic polarity tester for satellites |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870231U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108750145A (en) * | 2018-04-10 | 2018-11-06 | 西北工业大学 | A kind of magnetic torquer polarity In-flight measurement method |
| CN111580492A (en) * | 2020-04-03 | 2020-08-25 | 航天行云科技有限公司 | Polarity testing device of satellite attitude control system |
| CN112051527A (en) * | 2020-08-11 | 2020-12-08 | 大连理工大学 | Clamping-detecting integrated device and matching method for micro magnetic steel |
| CN112526416A (en) * | 2020-11-13 | 2021-03-19 | 航天东方红卫星有限公司 | Magnetic polarity testing method and device |
-
2014
- 2014-05-06 CN CN201420229751.6U patent/CN203870231U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108750145A (en) * | 2018-04-10 | 2018-11-06 | 西北工业大学 | A kind of magnetic torquer polarity In-flight measurement method |
| CN111580492A (en) * | 2020-04-03 | 2020-08-25 | 航天行云科技有限公司 | Polarity testing device of satellite attitude control system |
| CN111580492B (en) * | 2020-04-03 | 2021-09-03 | 航天行云科技有限公司 | Polarity testing device of satellite attitude control system |
| CN112051527A (en) * | 2020-08-11 | 2020-12-08 | 大连理工大学 | Clamping-detecting integrated device and matching method for micro magnetic steel |
| CN112526416A (en) * | 2020-11-13 | 2021-03-19 | 航天东方红卫星有限公司 | Magnetic polarity testing method and device |
| CN112526416B (en) * | 2020-11-13 | 2023-04-14 | 航天东方红卫星有限公司 | Magnetic polarity testing method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203870231U (en) | Handheld magnetic polarity tester for satellites | |
| CN104898075A (en) | High-precision relative magnetic field intensity measuring device | |
| CN103868632B (en) | A kind of contactless axis force of anchor measuring method based on eddy current impedance method | |
| CN202794558U (en) | Mining intrinsic safety type transient electromagnetic instrument | |
| CN104391259B (en) | Magnetic moment real-time test system and test method thereof | |
| CN203250014U (en) | Novel all-digital three-component fluxgate magnetometer | |
| CN105203892A (en) | Reed switch characteristic testing method and reed switch characteristic tester | |
| CN201242443Y (en) | Calibration instrument for airplane magnetic compass | |
| CN208688595U (en) | Diaphragm gas meter | |
| CN102538875A (en) | All-purpose tester of actuator | |
| CN102565723A (en) | Flux-gate type wide-range magnetometer | |
| CN102980546A (en) | Portable coating thickness measurement instrument | |
| CN202794340U (en) | High-voltage digital type insulation resistance tester | |
| CN205532591U (en) | Mark and detect device of visiting pipe | |
| CN204065427U (en) | For the proton-precession magnetometer that tunnel magnetic field is measured | |
| CN101980030A (en) | Serial zero load current phase measuring instrument | |
| CN201417146Y (en) | Digital direction finder | |
| CN201107414Y (en) | Proton magnetometer for down-hole magnetic-field measurement | |
| CN201562045U (en) | Weak magnetic field detecting equipment | |
| CN203759267U (en) | Larmor frequency measuring device | |
| CN203705625U (en) | Magnetic sensor | |
| CN203365698U (en) | Three-component magnetometer in well | |
| CN107945533A (en) | A kind of earth magnetism wagon detector sensitivity and the detection method of stability | |
| CN102798826B (en) | Measuring coil of spacecraft magnetorquer and measuring method | |
| CN203587268U (en) | Force measuring device of anchor pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |