CN205122324U - Small -size adjustable stationary magnetic field device - Google Patents
Small -size adjustable stationary magnetic field device Download PDFInfo
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- CN205122324U CN205122324U CN201520859089.7U CN201520859089U CN205122324U CN 205122324 U CN205122324 U CN 205122324U CN 201520859089 U CN201520859089 U CN 201520859089U CN 205122324 U CN205122324 U CN 205122324U
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Abstract
The utility model discloses a small -size adjustable stationary magnetic field device, this magnetic field device include display screen 1, control chip 2, button 3, structural support 4, setting at the inside objective table of structural support 4 5, set up the magnetic sensor 51 on objective table 5 and set up transprotable first magnet 61 and the second magnet 62 in 5 both sides of objective table respectively, this magnetic field device still includes first motor 91 and second motor 92, wherein, magnetic sensor 51 sends the magnetic field intensity who experiences to control chip 2 with signal of telecommunication form, and control chip 2 gives display screen 1, the current magnetic field intensity of demonstration on display screen 1 then with the electric signal transmission of magnetic sensor 51 transmission again, button 3 is used for inputing required magnetic field intensity, and control chip 2 makes the instruction of opening first motor 91 and second motor 92 according to required magnetic field intensity with current magnetic field intensity's gap to remove first magnet 61 and second magnet 62, change magnetic field intensity, realized the adjustability or the intellectuality of magnetic field device.
Description
Technical field
The utility model relates to magnetic field generator, particularly relates to a kind of small-sized adjustable stationary magnetic field device.
Background technology
Along with the development of modern science and technology, magnetic field is as a kind of important parameter, and its application is more and more extensive.But there is more problem in coil type magnetic field generator conventional at present, the problems such as comparatively large in the restriction of coil basic structure and chosen material cost, magnetic field generator volume and flux control precision, make coil type magnetic field generator in the environment of specifying, be difficult to the generation of precise field.
Utility model content
In order to overcome the problems referred to above, the present inventor designs a kind of small-sized adjustable stationary magnetic field device.
Specifically, the purpose of this utility model is to provide following aspect:
(1) a kind of small-sized adjustable stationary magnetic field device, it is characterized in that, described magnetic field device comprises display screen 1, control chip 2, button 3 and structure stand 4,
Described structure stand 4 inside is provided with objective table 5, first magnet 61 and the second magnet 62, and wherein, the first magnet 61 and the second magnet 62 can be arranged on objective table 5 both sides respectively movably,
Described objective table 5 is provided with Magnetic Sensor 51;
(2) the one small-sized adjustable stationary magnetic field device according to above-mentioned (1), is characterized in that,
Described objective table 5 is arranged at the center of structure stand 4;
Described first magnet 61 and the second magnet 62 are parallel to described objective table 5 respectively,
Described first magnet 61 is equal to the distance of objective table 5 with the second magnet 62 to the distance of objective table 5;
(3) the one small-sized adjustable stationary magnetic field device according to above-mentioned (2), is characterized in that, described first magnet 61 and the second magnet 62 are permanent magnet;
(4) the one small-sized adjustable stationary magnetic field device according to above-mentioned (1), is characterized in that, offers the groove 52 for placing testee at the center of described objective table 5;
(5) the one small-sized adjustable stationary magnetic field device according to above-mentioned (4), is characterized in that,
Described Magnetic Sensor 51 is two or more,
Described Magnetic Sensor 51 is evenly distributed in described groove 52 surrounding,
Described Magnetic Sensor 51 is equal to the distance of described groove 52;
(6) the one small-sized adjustable stationary magnetic field device according to any one of above-mentioned (1)-(5), it is characterized in that, described Magnetic Sensor 51 is connected with control chip 2 respectively with display screen 1, wherein,
Described Magnetic Sensor 51 for experiencing magnetic field intensity, and sends current magnetic field intensity to control chip 2 in electrical signal form,
The signal of telecommunication that described control chip 2 transmits for receiving Magnetic Sensor 51, by calculating the mean value of magnetic field intensity, then sends the mean value of magnetic field intensity to display screen 1 in electrical signal form,
The signal of telecommunication that described display screen 1 transmits for receiving control chip 2, and the signal of telecommunication is shown;
(7) the one small-sized adjustable stationary magnetic field device according to above-mentioned (1), is characterized in that, described magnetic field device is also provided with
First mobile platform (71), it is for fixing the first magnet (61),
Second mobile platform (72), it is for fixing the second magnet (62),
First motor (91), it is for driving the first mobile platform (71) mobile,
Second motor (92), it is for driving the second mobile platform (72) mobile,
Head rod (81), it is arranged between the first mobile platform (71) and the first motor (91),
Second connecting rod (82), it is arranged between the second mobile platform (72) and the second motor (92);
(8) the small-sized adjustable stationary magnetic field of the one according to above-mentioned (7), is characterized in that,
Described head rod 81 and the second connecting rod 82 are screw rod,
Described first motor 91 and the second motor 92 are stepping motor;
(9) the small-sized adjustable stationary magnetic field of the one according to above-mentioned (7) or (8), it is characterized in that, described first motor 91, second motor 92, button 3 are connected with control chip 2 respectively, control chip 2 rotates for driving the first motor 91 and the second motor 92, and described button 3 is for inputting required magnetic field intensity;
(10) the small-sized adjustable stationary magnetic field of the one according to above-mentioned (9), is characterized in that,
Described button 3 sends required magnetic field intensity to control chip 2 as electronic signals,
The signal of telecommunication that described control chip 2 transmits for receiving button 3, and according to the gap of this signal of telecommunication and current magnetic field intensity, send rotation command to the first motor 91 and the second motor 92, change the position of the first magnet 61 and the second magnet 62.
The beneficial effect that the utility model has comprises:
(1) this magnetic field device adopts parallel magnet to make magnetic field generator, without the need to the current source needed for traditional magnet;
(2) this magnetic field device adopts permanent magnet to replace electromagnet, and when reaching same magnetic field intensity, the volume of permanent magnet is less than electric coil, makes this magnetic field device volume little, lightweight, can be placed on work in narrow space;
(3) adopt control chip to carry out intelligent control, magnetic field intensity accurately can be obtained, and overcome the loaded down with trivial details of manual adjustment;
(4) by control chip, can current magnetic field intensity be shown on display screen, be convenient to more directly confirm whether adjustment is correct.
Accompanying drawing explanation
Fig. 1 illustrates the structure chart according to a kind of preferred implementation of the utility model;
Drawing reference numeral illustrates:
1-display screen
2-control chip
3-button
4-structure stand
5-objective table
51-Magnetic Sensor
52-groove
61-first magnet
62-second magnet
71-first mobile platform
72-second mobile platform
81-head rod
82-second connecting rod
91-first motor
92-second motor
Embodiment
Below by drawings and Examples, the utility model is described in further details.Illustrated by these, feature of the present utility model and advantage will become more explicit.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
According to the one small-sized adjustable stationary magnetic field device that the utility model provides, as shown in Figure 1, this magnetic field device comprises structure stand 4, and the center of structure stand 4 is provided with objective table 5, is respectively arranged with moveable first magnet 61 and the second magnet 62 in the both sides of objective table 5; Wherein on the rib of the structure stand 4 contacted with the first magnet 61, second magnet 62 and objective table 5, be provided with mobile chute, described mobile chute is used for the first magnet 61 and the second magnet 62 are slided under external force; Described first magnet 61, second magnet 62 is parallel to objective table 5 respectively, and meanwhile, the distance of objective table 5 to the first magnet 61 equals the distance of objective table 5 to the second magnet 62, to produce uniform magnetic field; The center of objective table 5 is provided with groove 52, and described groove 52 is for placing testee, and described testee is magnetic chip to be measured or other magnetic material that can change under magnetic field; On objective table 5, the arranged outside of described groove 52 has Magnetic Sensor 51 for detecting current magnetic field intensity.
In a preferred embodiment, described first magnet 61 and the second magnet 62 are the permanent magnet that magnetic is stronger, compared with electromagnet, when reaching the magnetic field of same intensity, permanent magnet volume is relatively little, simultaneously, comparatively electromagnet, permanent magnet can use in particular circumstances.
In a preferred embodiment, described Magnetic Sensor 51 is two or more, described Magnetic Sensor 51 is evenly distributed in the surrounding of described groove 52, and, described groove is positioned at the centre of multiple Magnetic Sensor 51, that is, each Magnetic Sensor 51 is equal to the distance of groove 52, like this, the mean value of the current magnetic field intensity of Magnetic Sensor 51 impression is the magnetic field intensity suffered by the testee being placed on groove 52 place.
In further preferred embodiment, described Magnetic Sensor 51 is two, described two Magnetic Sensors lay respectively at the both sides of groove 52, two Magnetic Sensors 51 are symmetrical about groove 52, and the center conllinear of the center of two Magnetic Sensors 51 and groove 52, described center is the geometric center of object.
Described magnetic field device also comprises the first mobile platform 71 of being respectively used to mobile first magnet 61 and the second magnet 61 and the second mobile platform 72, be respectively used to the first motor 91 of driving first mobile platform 71 and the second mobile platform 72 movement with the second motor 92, for being connected the first mobile platform 71 with the head rod 81 of the first motor 91, for being connected the second connecting rod 82 of the second mobile platform 72 and the second motor 92; Wherein, one end and first magnet 61 of described first mobile platform 71 are fixed, the other end is connected by head rod 81 with the first motor 91, and one end and second magnet 62 of described second mobile platform 72 are fixed, and the other end is connected by the second connecting rod 82 with the second motor 92; Under electric motor starting state, head rod 81 and the second connecting rod 82 extend or shrink drive first mobile platform 71 and the second mobile platform 72 advances or retreats, thus achieve advance or the retrogressing of the first magnet 61 and the second magnet 62, two magnet spacing are changed, change of magnetic field strength; In mobile process, described first motor 91 carries out identical electric machine rotation with the second motor 92, ensure that objective table 5 is in the centre position of the first magnet 61 and the second magnet 62 all the time, namely the first magnet 61 equals the distance of the second magnet 62 to objective table 5 to the distance of objective table 5.
In a preferred embodiment, described head rod 71 and the second connecting rod 72 are preferably screw rod.
In a preferred embodiment, described first motor 91 and the second motor 92 are preferably stepping motor.
Described magnetic field device also comprises display screen 1 for showing current magnetic field intensity, for playing the control chip 2 of overall regulating and controlling effect and the button 3 for inputting required magnetic field intensity; Wherein, described display screen 1 is connected with Magnetic Sensor 51, first motor 91, second motor 92 by control chip 2 with button 3, realizes the intellectuality of magnetic field device.
In a preferred embodiment, described display screen 1 is LCD display or LED display.
In a preferred embodiment, described control chip is single-chip microcomputer.
In a preferred embodiment, described Magnetic Sensor 51 is HS-1 type Magnetic Sensor.
In a preferred embodiment, Magnetic Sensor 51 can experience the current magnetic field intensity in magnetic field device, and current magnetic field intensity is transferred to control chip 2 as electronic signals, control chip 2 is through calculating, the mean value of the current magnetic field intensity detected respectively by multiple Magnetic Sensor 51 is transferred to display screen 1 as electronic signals, and now, what display screen 1 showed is current magnetic field intensity, that is, the magnetic field intensity suffered by object in groove 52 is now placed on.
In further preferred embodiment, on button 3, input is placed on magnetic field intensity needed for object in groove 52, required magnetic field intensity is transferred to control chip 2 by button 3 as electronic signals, control chip 2 receives the signal of telecommunication that button 3 transmits, and according to the difference of required magnetic field intensity and current magnetic field intensity, corresponding instruction is made to the first motor 91 and the second motor 92, first motor 91 and the second motor 92 are started simultaneously, realize the reach of the first magnet 61 and the second magnet 62 or retrogressing until reach required magnetic field intensity, now, on inspection display screen 1, whether the value of display is required magnetic field intensity, with correctly completing of guarantee operation.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " interior " are based on the orientation under utility model works state or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
More than combine and preferred embodiment the utility model is illustrated, but these execution modes are only exemplary, only play illustrative effect.On this basis, can carry out multiple replacement and improvement to the utility model, these all fall in protection range of the present utility model.
Claims (10)
1. a small-sized adjustable stationary magnetic field device, is characterized in that, described magnetic field device comprises display screen (1), control chip (2), button (3) and structure stand (4);
Objective table (5), the first magnet (61) and the second magnet (62) is provided with in described structure stand (4) inside, wherein, the first magnet (61) and the second magnet (62) can be arranged on objective table (5) both sides respectively movably;
Described objective table (5) is provided with Magnetic Sensor (51).
2. one according to claim 1 small-sized adjustable stationary magnetic field device, is characterized in that,
Described objective table (5) is arranged at the center of structure stand (4);
Described first magnet (61) and the second magnet (62) are parallel to described objective table (5) respectively,
Described first magnet (61) is equal to the distance of objective table (5) with the second magnet (62) to the distance of objective table (5).
3. one according to claim 2 small-sized adjustable stationary magnetic field device, is characterized in that, described first magnet (61) and the second magnet (62) are permanent magnet.
4. one according to claim 1 small-sized adjustable stationary magnetic field device, is characterized in that, offers the groove (52) for placing testee at the center of described objective table (5).
5. one according to claim 4 small-sized adjustable stationary magnetic field device, is characterized in that,
Described Magnetic Sensor (51) is two or more;
Described Magnetic Sensor (51) is evenly distributed in described groove (52) surrounding;
Described Magnetic Sensor (51) is equal to the distance of described groove (52).
6. the small-sized adjustable stationary magnetic field of the one according to any one of claim 1-5 device, is characterized in that, described Magnetic Sensor (51) is connected with control chip (2) respectively with display screen (1), wherein,
Described Magnetic Sensor (51) for experiencing magnetic field intensity, and sends current magnetic field intensity to control chip (2) in electrical signal form;
The signal of telecommunication that described control chip (2) transmits for receiving Magnetic Sensor (51), by calculating the mean value of magnetic field intensity, then sends the mean value of magnetic field intensity to display screen (1) in electrical signal form;
The signal of telecommunication that described display screen (1) transmits for receiving control chip (2), and the signal of telecommunication is shown.
7. one according to claim 1 small-sized adjustable stationary magnetic field device, is characterized in that, described magnetic field device is also provided with
First mobile platform (71), it is for fixing the first magnet (61);
Second mobile platform (72), it is for fixing the second magnet (62);
First motor (91), it is for driving the first mobile platform (71) mobile;
Second motor (92), it is for driving the second mobile platform (72) mobile;
Head rod (81), it is arranged between the first mobile platform (71) and the first motor (91);
Second connecting rod (82), it is arranged between the second mobile platform (72) and the second motor (92).
8. one according to claim 7 small-sized adjustable stationary magnetic field device, is characterized in that,
Described head rod (81) and the second connecting rod (82) are screw rod;
Described first motor (91) and the second motor (92) are stepping motor.
9. according to the small-sized adjustable stationary magnetic field of the one described in claim 7 or 8 device, it is characterized in that, described first motor (91), the second motor (92), button (3) are connected with control chip (2) respectively, control chip (2) rotates for driving the first motor (91) and the second motor (92), and described button (3) is for inputting required magnetic field intensity.
10. one according to claim 9 small-sized adjustable stationary magnetic field device, is characterized in that,
Described button (3) sends required magnetic field intensity to control chip (2) as electronic signals;
The signal of telecommunication that described control chip (2) transmits for receiving button (3), and according to the gap of this signal of telecommunication and current magnetic field intensity, send rotation command to the first motor (91) and the second motor (92), change the position of the first magnet (61) and the second magnet (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859089.7U CN205122324U (en) | 2015-10-30 | 2015-10-30 | Small -size adjustable stationary magnetic field device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859089.7U CN205122324U (en) | 2015-10-30 | 2015-10-30 | Small -size adjustable stationary magnetic field device |
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| CN205122324U true CN205122324U (en) | 2016-03-30 |
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| CN201520859089.7U Active CN205122324U (en) | 2015-10-30 | 2015-10-30 | Small -size adjustable stationary magnetic field device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261439A (en) * | 2015-10-30 | 2016-01-20 | 黑龙江大学 | Small-sized adjustable constant magnetic field apparatus |
| CN106601098A (en) * | 2017-01-01 | 2017-04-26 | 重庆科技学院 | Application method of small static magnetic field experimental device |
-
2015
- 2015-10-30 CN CN201520859089.7U patent/CN205122324U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261439A (en) * | 2015-10-30 | 2016-01-20 | 黑龙江大学 | Small-sized adjustable constant magnetic field apparatus |
| CN106601098A (en) * | 2017-01-01 | 2017-04-26 | 重庆科技学院 | Application method of small static magnetic field experimental device |
| CN106601098B (en) * | 2017-01-01 | 2018-06-12 | 重庆科技学院 | A kind of application method of small-sized magnetostatic field experimental provision |
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