CN201051136Y - A magnet polarity recognition device - Google Patents
A magnet polarity recognition device Download PDFInfo
- Publication number
- CN201051136Y CN201051136Y CNU2006201674572U CN200620167457U CN201051136Y CN 201051136 Y CN201051136 Y CN 201051136Y CN U2006201674572 U CNU2006201674572 U CN U2006201674572U CN 200620167457 U CN200620167457 U CN 200620167457U CN 201051136 Y CN201051136 Y CN 201051136Y
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- magnet
- diode
- light emitting
- sensitive element
- emitting diode
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Abstract
The utility model discloses a recognition device for magnet polarity, of which magnet sensing elements are positioned at the front end of a casing, wherein the positive electrodes of the magnet sensing elements are respectively connected with positive electrodes of batteries via a switch and a resistance, the negative electrodes are connected with negative electrodes of a power supply, the output ends of the magnet sensing elements are respectively connected with two branch circuits, one branch circuit is connected with the positive electrodes of magnet sensing elements via two diodes and a luminous diode, the other branch circuit is connected with the negative electrodes of magnet sensing elements via other two diodes and a luminous diode. When the switch is closed, the magnet sensing elements are connected into a loop. When an external magnetic field approaches, the electric potential of the output end of magnet sensing elements changes, leading the diode of one branch circuit and the luminous diode to communicate and light to recognize the polarity of magnets. The device fully utilizes the difference of voltages produced by the magnet sensing elements under different magnet polarities by employing the Hall-effect, and has the advantages of simple structure, convenient use and carriage, which is suitable be applied to correlative fields of accelerator magnets and other magnets.
Description
Technical field
The utility model belongs to electronic measuring technology field, relates to the magnet polarity identification.
Background technology
Before particle accelerator operation, need know various two utmost point iron of accelerator, four utmost point iron, the polarity of sextupole iron is to differentiate whether wrong of magnet power supply.Often differentiate the polarity of each cartridge of magnet according to the positive negative signal of teslameter, each all will be with bigger instrument and equipment, will be very inconvenient when narrow and small measured zone.The differentiation that aligns negative signal sometimes produces to be obscured, thus the mistake of causing.
The utility model content
In order to solve prior art problems, the purpose of this utility model is the needs that satisfy accelerator magnet polarity identification, and for this reason, the utility model provides a kind of magnet polarity recognition device easy to use.
To achieve these goals, a kind of magnet polarity recognition device of providing of the utility model comprises:
One housing has a circuit board in housing, have on circuit board:
One magnet-sensitive element, its positive terminal links to each other with the positive pole of electric battery by switch, first resistance; Its negative pole end links to each other with the negative pole of electric battery, and electric battery provides operating voltage for it;
Be parallel with the I branch road of identification magnet polarity between the positive terminal of magnet-sensitive element and the output terminal;
Be parallel with the II branch road of identification magnet polarity between the output terminal of magnet-sensitive element and the negative pole end, the II branch road output terminal of identification magnet polarity links to each other with the negative pole of electric battery.
According to embodiment of the present utility model, the I branch road of described identification magnet polarity comprises: be connected with first diode, second diode, first light emitting diode between the positive terminal of magnet-sensitive element and the output terminal in turn, be used to make the voltage of output terminal to change along with the variation in detected magnetic field, thereby make first diode, second diode, the first light emitting diode conducting.
According to embodiment of the present utility model, described identification magnet polarity II branch road comprises: be connected with the 3rd diode, the 4th diode and second light emitting diode between the output terminal of magnet-sensitive element and negative pole in turn; The output terminal of magnet-sensitive element is connected with the negative pole end of first light emitting diode in the positive terminal of the 3rd diode and the I branch road respectively, be used to make the voltage of magnet-sensitive element output terminal to change, thereby make the 3rd diode, the 4th diode, the second light emitting diode conducting along with detected changes of magnetic field.
According to embodiment of the present utility model, housing adopts tubular structure, lays magnet-sensitive element at the front end of housing.
According to embodiment of the present utility model, have three holes in the stage casing of housing, be respectively applied for and expose first light emitting diode, second light emitting diode and shift knob, be used for showing the magnet polarity discerned and the break-make of control circuit respectively.
According to embodiment of the present utility model, first light emitting diode, second light emitting diode adopts different colours, is used to show the N utmost point or the S utmost point of distinguishing the magnet of discerning.
According to embodiment of the present utility model, the I branch road comprises: the positive terminal of second resistance, one end and first light emitting diode is connected in series, the other end is connected with the positive terminal of magnet-sensitive element, and the negative pole end of first light emitting diode is connected with the 3rd resistance of the output terminal of magnet-sensitive element and II branch road.
According to embodiment of the present utility model, the II branch road comprises: an end of the 3rd resistance is connected with the positive terminal of second light emitting diode, the other end of the 3rd resistance is connected with the negative pole end of first light emitting diode of the output terminal of magnet-sensitive element and I branch road, and the negative pole end of second light emitting diode is connected with the negative pole end of the negative pole end of magnet-sensitive element and electric battery.
Device of the present utility model and prior art difference are to have adopted three-prong list output magnet-sensitive element, have two identification branch roads, their shared output terminals by the dividing potential drop mode of diode and light emitting diode, are having external magnetic field to make two branch road conductings or shutoff respectively under driving.
Compared with prior art, advantage of the present utility model is:
1, adopts single output magnet-sensitive element, when external magnetic field near or during the external magnetic field change in polarity, the current potential of magnet-sensitive element output terminal changes with the variation of external magnetic field, dividing potential drop by diode and light emitting diode makes two branch roads be in turn-on and turn-off under the magnetic field of opposed polarity, thereby reaches the purpose of identification magnet polarity; This device utilizes Hall effect exploitation, and is simple in structure, uses easy to carryly, utilized the difference of magnet-sensitive element institute output voltage under different magnet polarity well.
2, adopt tubular structure, can make magnet-sensitive element be easy to be placed in the front end of tubular structure, adopt the light emitting diode of different colours to represent the N utmost point or the S utmost point of being discerned respectively, use intuitive and convenient;
3, the utility model is rational in infrastructure, produces easily, and cost is low, and all electronic devices and components can have been bought on market.The utility model is adapted in the production of accelerator magnet polarity identification and permanent magnetic material.
The utility model magnet polarity recognition device can be used to measure the polarity of dipolar magnet, quadrupole electromagnet, solenoid magnet and permanent magnet in the accelerator magnet, thereby helps to differentiate whether wrong and permanent magnets setup error whether of magnet power supply.It not only is used for judging the polarity of accelerator magnet, has a wide range of applications in the production of permanent magnet, electro-acoustic element, permanent magnet toy etc. and assembling simultaneously.
Description of drawings
Fig. 1 is the schematic appearance of magnet polarity recognition device.
Fig. 2 is the inner component structure arrangenent diagram of magnet polarity recognition device.
Fig. 3 is the structure principle chart that utilizes the diode dividing potential drop of magnet polarity recognition device.
Fig. 4 is the structure principle chart that utilizes electric resistance partial pressure of magnet polarity recognition device.
Embodiment
Below by the accompanying drawing example the utility model is further described.
Core electron element in this magnet polarity recognition device is a magnet-sensitive element, employing be Hall element.
Shown in the inner component structure figure of schematic appearance, Fig. 2 magnet polarity recognition device of Fig. 1 magnet polarity recognition device, this magnet polarity recognition device mainly comprises: magnet-sensitive element HG1, first resistance R 1, switch S 1, electric battery E, the first diode D1, the second diode D2, the first light emitting diode VL1, the 3rd diode D3, the 4th diode D4, the first light emitting diode VL2, wiring board X and housing K.
The utility model is laid magnet-sensitive element HG1 the front end of housing K, the positive terminal of magnet-sensitive element HG1 connects the positive pole of electric battery E by first resistance R 1 and switch S 1, magnet-sensitive element HG1 negative pole connects the negative pole of electric battery E, between the positive terminal of magnet-sensitive element HG1 and output terminal, be parallel with two diode D1, D2 and the first identification branch road that light emitting diode VL1 is formed, between the output terminal of magnet-sensitive element HG1 and power cathode, also be parallel with two diode D3, D4 and the second identification branch road that light emitting diode VL2 is formed simultaneously.What light emitting diode VL1, VL2 adopted that different colors discerned with difference is the N utmost point or the S utmost point of magnet.
Housing K has opened in the stage casing three apertures, is used for laying two light emitting diode VL1, VL2 and a switch S 1, to be used for showing the magnet polarity discerned and the break-make of control circuit.
The housing K of this recognition device adopts tubular structure, in magnet-sensitive element HG1 is arranged, be connected to two branch roads respectively at the output terminal of magnet-sensitive element HG1:
The branch road that branch road I is made up of the first diode D1, the second diode D2 and the first light emitting diode VL1; The branch road that another branch road is made up of the first triode D3, the 4th diode D4 and the second light emitting diode VL2.
Lay magnet-sensitive element HG1 at the front end of tubular shell K, first resistance R 1 is arranged on the wiring board X in tubular structure stage casing, switch S 1, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the first light emitting diode VL1 and the first light emitting diode VL2;
Have three apertures on the housing K stage casing, be respectively applied for and place the first light emitting diode VL1 and the first light emitting diode VL2 and switch S 1, and make them expose housing K, be used for the convenience of observing and operating.On the next door of aperture respectively with N and S, in order to help the polarity of the measured magnet of identification.
The rear portion of housing K is the battery tube, and there is button cell group E1 inside.
There is circuit board X housing K inside, and magnet-sensitive element HG1 is positioned at wiring board X foremost, and the positive pole of magnet-sensitive element HG1 connects the positive pole of electric battery E by first resistance R 1 and switch S 1, and the negative pole of magnet-sensitive element HG1 connects the negative pole of electric battery E.
It is the three-prong structure that the used magnet-sensitive element HG1 of the utility model recognition device adopts Hall element, an output terminal; Used resistance, diode and light emitting diode all adopt components and parts commonly used.
Shown in the electronic structure schematic diagram that utilizes the diode dividing potential drop of Fig. 3 magnet polarity recognition device, the positive pole of Hall element HG1 connects the positive pole of electric battery by first resistance R 1 and switch S 1, the negative pole of Hall element HG1 connects the negative pole of electric battery E, the output terminal of Hall element HG1 is respectively by the first diode D1, the second diode D2, the loop I that the first light emitting diode VL1 is formed connects the positive pole of Hall element HG1, by triode D3, tetrode D4, the loop II that light emitting diode VL2 is formed connects the negative pole of Hall element HG1.When recognition device when the magnet different magnetic poles, the voltage of the output terminal of Hall element HG1 increases to some extent or reduces, thereby can make the first diode D1, the second diode D2 among the I of loop, the first light emitting diode VL1 conducting, perhaps make the first diode D3, the second diode D4 among the II of loop, the second light emitting diode VL2 conducting can make the polarity of magnet obtain identification by the light emitting diode of selecting different colours.
Its principle of work is: with switch S 1 when closed, if the front end of magnet polarity recognition device during near the N utmost point of magnet, Hall element HG1 output terminal current potential descends, loop I conducting, and the first light emitting diode VL1 lights, and the polarity identification device is designated as " N " utmost point; When near the S utmost point, Hall element HG1 output terminal current potential rises, loop II conducting, and the second light emitting diode VL2 lights, and the polarity identification device is designated as " S " utmost point.During no magnetic field, even switch S 1 closure, the diode in two loops all ends, so the first light emitting diode VL1 and the second light emitting diode VL2 do not work.
Embodiment 2
Similar to example 1, shown in the electronic structure schematic diagram that utilizes electric resistance partial pressure of Fig. 4 magnet polarity recognition device, the first diode D1 and the second diode D2 that are about among Fig. 3 replace to second resistance R 2, the 3rd diode D3 and the 4th diode D4 are replaced to the 3rd resistance R 3, and embodiment 2 still can realize the function of embodiment 1.Replace if only carry out part,, replace D3 etc. with R3, but will the parameter of selected resistance R 2 and R3 suitably be adjusted, still can realize the function of above magnet polarity identification as replacing D1 with R2.The first light emitting diode VL1 and the second light emitting diode VL2 also can select dichromatic LED for use.
Its circuit theory as shown in Figure 4, the positive pole of Hall element HG1 connects the positive pole of electric battery E by first resistance R 1 and switch S 1, the negative pole of Hall element HG1 connects the negative pole of electric battery E, the branch road I that is formed by second resistance R 2, the first light emitting diode VL1 at the output terminal of Hall element HG1 connects the positive pole of Hall element HG1, the branch road II that is formed by the 3rd resistance R 3, the second light emitting diode VL2 connects the negative pole of Hall element HG1 in addition.When recognition device when the magnet different magnetic poles, the voltage of Hall element HG1 output terminal increases to some extent respectively or reduces, thereby can make the first light emitting diode VL1 or the second light emitting diode VL2 conducting in two branch roads.
Its principle of work is: with switch S 1 when closed, if the front end of magnet polarity recognition device during near the N utmost point of magnet, Hall element HG1 output terminal current potential descends, loop I conducting, and the first light emitting diode VL1 lights, and the polarity identification device is designated as " N " utmost point; When near the S utmost point, Hall output terminal current potential rises, loop II conducting, and the second light emitting diode VL2 lights, and the polarity identification device is designated as " S " utmost point.During no magnetic field, even switch S 1 closure, the diode in two loops all ends, so light emitting diode does not all work.
The above; it only is the embodiment in the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; can understand conversion or the replacement expected; all should be encompassed in of the present utility model comprising within the scope, therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (6)
1. magnet polarity recognition device is characterized in that comprising:
One housing has a circuit board in housing, have on circuit board:
The positive terminal of one magnet-sensitive element links to each other with the positive pole of electric battery by switch, first resistance; The negative pole of magnet-sensitive element links to each other with the negative pole of electric battery, and electric battery provides operating voltage for magnet-sensitive element;
The I branch road that the identification pole of magnet is arranged between the positive terminal of magnet-sensitive element and the output terminal;
The II branch road that the identification pole of magnet is arranged between the output terminal of magnet-sensitive element and the negative pole end, identification magnet polarity II branch road output terminal links to each other with the negative pole of electric battery E.
2. magnet polarity recognition device according to claim 1 is characterized in that:
Described identification magnet polarity I branch road comprises: polyphone is connected to first diode, second diode, first light emitting diode between the positive terminal of magnet-sensitive element and the output terminal, be used to make the voltage of magnet-sensitive element output terminal to change along with the variation in detected magnetic field, thereby make first diode, second diode, the first light emitting diode conducting.
3. magnet polarity recognition device according to claim 1 is characterized in that:
Described identification magnet polarity II branch road also comprises: be connected with the 3rd diode, the 4th diode, second light emitting diode between the output terminal of magnet-sensitive element and negative pole; The output terminal of magnet-sensitive element is connected with the negative pole end of first light emitting diode in the positive terminal of the 3rd diode and the I branch road respectively, be used to make the voltage of magnet-sensitive element output terminal to change along with detected changes of magnetic field, thereby make the 3rd diode, the 4th diode, the second light emitting diode conducting.
4. magnet polarity recognition device according to claim 1 is characterized in that:
Housing adopts tubular structure, and the front end in housing is laid magnet-sensitive element.
5. the magnet polarity recognition device of stating according to claim 1 is characterized in that:
Have three holes in the stage casing of housing, be respectively applied for and expose first light emitting diode, second light emitting diode and shift knob, be used for showing the magnet polarity discerned and the break-make of control circuit respectively.
6. magnet polarity recognition device according to claim 2 is characterized in that:
First light emitting diode, second light emitting diode adopts different colours, is used to show the N utmost point or the S utmost point of distinguishing the magnet of discerning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201674572U CN201051136Y (en) | 2006-12-13 | 2006-12-13 | A magnet polarity recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201674572U CN201051136Y (en) | 2006-12-13 | 2006-12-13 | A magnet polarity recognition device |
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| Publication Number | Publication Date |
|---|---|
| CN201051136Y true CN201051136Y (en) | 2008-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201674572U Expired - Lifetime CN201051136Y (en) | 2006-12-13 | 2006-12-13 | A magnet polarity recognition device |
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| Country | Link |
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| CN (1) | CN201051136Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162840A (en) * | 2010-12-09 | 2011-08-24 | 苏州新区科兴威尔电子有限公司 | Device for testing polarity of magnet |
| CN102693711A (en) * | 2011-03-23 | 2012-09-26 | 宏碁股份有限公司 | Composite electronic device and image play method |
| CN104093978A (en) * | 2012-02-06 | 2014-10-08 | 斯奈克玛公司 | Hall effect thruster |
| CN105467335A (en) * | 2014-09-10 | 2016-04-06 | 汉达精密电子(昆山)有限公司 | Detection device for magnetic pole direction of magnet |
| CN106126150A (en) * | 2016-07-02 | 2016-11-16 | 上海摩软通讯技术有限公司 | Magnetic splice matching method, splicing display method and terminal unit |
| CN107907843A (en) * | 2018-01-03 | 2018-04-13 | 安图实验仪器(郑州)有限公司 | Chemical luminescence detector magnet fixed plate magnet polarities detecting system |
| CN112240994A (en) * | 2019-07-19 | 2021-01-19 | 苏州汉扬精密电子有限公司 | General magnet detection mechanism |
| CN113465634A (en) * | 2021-07-13 | 2021-10-01 | 深圳市天工机械制造技术开发有限公司 | Wide voltage contact sensor |
| CN113465634B (en) * | 2021-07-13 | 2024-06-11 | 深圳市天工机械制造技术开发有限公司 | Wide voltage contact sensor |
-
2006
- 2006-12-13 CN CNU2006201674572U patent/CN201051136Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162840A (en) * | 2010-12-09 | 2011-08-24 | 苏州新区科兴威尔电子有限公司 | Device for testing polarity of magnet |
| CN102693711A (en) * | 2011-03-23 | 2012-09-26 | 宏碁股份有限公司 | Composite electronic device and image play method |
| CN104093978A (en) * | 2012-02-06 | 2014-10-08 | 斯奈克玛公司 | Hall effect thruster |
| CN105467335A (en) * | 2014-09-10 | 2016-04-06 | 汉达精密电子(昆山)有限公司 | Detection device for magnetic pole direction of magnet |
| CN106126150A (en) * | 2016-07-02 | 2016-11-16 | 上海摩软通讯技术有限公司 | Magnetic splice matching method, splicing display method and terminal unit |
| CN107907843A (en) * | 2018-01-03 | 2018-04-13 | 安图实验仪器(郑州)有限公司 | Chemical luminescence detector magnet fixed plate magnet polarities detecting system |
| CN112240994A (en) * | 2019-07-19 | 2021-01-19 | 苏州汉扬精密电子有限公司 | General magnet detection mechanism |
| CN112240994B (en) * | 2019-07-19 | 2023-05-16 | 苏州汉扬精密电子有限公司 | General magnet detection mechanism |
| CN113465634A (en) * | 2021-07-13 | 2021-10-01 | 深圳市天工机械制造技术开发有限公司 | Wide voltage contact sensor |
| CN113465634B (en) * | 2021-07-13 | 2024-06-11 | 深圳市天工机械制造技术开发有限公司 | Wide voltage contact sensor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080423 |
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| EXPY | Termination of patent right or utility model |