CN205120106U - Horizontal measuring device of electromagnetic type - Google Patents
Horizontal measuring device of electromagnetic type Download PDFInfo
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- CN205120106U CN205120106U CN201520926083.7U CN201520926083U CN205120106U CN 205120106 U CN205120106 U CN 205120106U CN 201520926083 U CN201520926083 U CN 201520926083U CN 205120106 U CN205120106 U CN 205120106U
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- permanent magnet
- hall element
- magnetic field
- measuring device
- electromagnetic type
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Abstract
The utility model relates to a horizontal measuring device of electromagnetic type, including first permanent magnet, glass pipe, a plurality of hall element and second permanent magnet, first permanent magnet is arranged in the top of glass pipe, it is a plurality of the hall element horizontal spacing is arranged in side by side the lower extreme of glass pipe, the second permanent magnet is arranged in a plurality ofly hall element's below, the intraductal fluid that is provided with of glass, just be provided with mobilizable bubble in the fluid, first permanent magnet with the second permanent magnet is used for producing magnetic field, the bubble is used for changing the medium in the magnetic field for corresponding change takes place for magnetic field intensity, and is a plurality of hall element is according to magnetic field intensity's the corresponding hall current of change output. Compared with the prior art, the utility model discloses production simple process, low, the detection precision height of processing cost.
Description
Technical field
The utility model relates to measurer technical field, particularly a kind of electromagnetic type levelness measuring device.
Background technology
Level meter is the low-angle conventional measurer of a kind of measurement, in machinery industry and instrument manufacture, for measuring the horizontal level installed relative to the pitch angle of horizontal level, the flatness of lathe kind equipment guide rail and linearity, equipment and upright position etc., can be divided into by the profile difference of level meter: Universal level-metre, cylinder level meter, integrated water level, mini level meter, camera level meter, frame level, chi formula level meter; Can be divided into again by the fixed form of level: adjustable water level and can not mode level meter.
Level meter common on the market mainly contains SCM Based electron type level instrument and air bubble capacitor type level meter etc. at present.The principle of work of electron type level instrument is mainly based on inductance principle, that is: when the pedestal of level meter tilts because workpiece for measurement tilts, its inner pendulum is because of mobile the change in voltage causing inductive coil.Its measuring principle of capacitance level instrument is that a circular pendulum is freely hanging at carefully online, and pendulum affected by the earth's core gravity, and is suspended in without andfrictional conditions.The both sides of pendulum be equipped with electrode and gap is identical time electric capacity be equal, if level meter causes by workpiece for measurement affects, two gap different distance change that namely to produce electric capacity different, the difference of angulation.
Electron type level instrument has the high advantage of measuring accuracy, but technical matters is complicated, and production accuracy requirement is higher, and therefore cost is higher; Air bubble capacitor type level meter, cost is low, easily processes, but measuring accuracy is lower; Therefore the advantage of both the utility model combinations, designs a kind of novel electromagnetic type levelness measuring device, can meet accuracy requirement, can reduce cost again.
Utility model content
Technical problem to be solved in the utility model is to provide the electromagnetic type levelness measuring device that a kind of production technology is simple, processing cost is low, accuracy of detection is high.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of electromagnetic type levelness measuring device, comprise the first permanent magnet, glass tube, multiple Hall element and the second permanent magnet, described first permanent magnet is placed in the top of described glass tube, multiple described Hall element horizontal intervals are placed in the lower end of described glass tube side by side, described second permanent magnet is placed in the below of multiple described Hall element, fluid is provided with in described glass tube, and be provided with moveable bubble in described fluid, described first permanent magnet and described second permanent magnet are for generation of magnetic field, described bubble is for changing the medium in magnetic field, make magnetic field intensity that corresponding change occur, multiple described Hall element exports corresponding Hall current according to the change of magnetic field intensity.
The beneficial effects of the utility model are: on the basis of traditional bubble and scale, add permanent magnet and Hall element, the change in the corresponding magnetic field of change in detection site angle of inclination and direction, this change is detected by Hall element, and export in the form of electric current, make measuring accuracy more accurate; Realize this device one-piece construction simple, be convenient to produce, production cost is low, and accuracy of detection is high.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described Hall element is provided with two, and two described Hall element horizontal intervals are placed in the lower end of described glass tube side by side.
Adopt the beneficial effect of above-mentioned further scheme to be: two Hall elements detect, promote accuracy of detection.
Further, described first permanent magnet is the N pole in magnetic field, and described second permanent magnet is the S pole in magnetic field.
Further, also comprise amplifying circuit, D/A converting circuit and single-chip microcomputer, the input end of described amplifying circuit is connected with the output terminal of multiple described Hall element respectively, the output terminal of described amplifying circuit is connected with the input end of described D/A converting circuit, and the output terminal of described D/A converting circuit is connected with described single-chip microcomputer; The Hall current that multiple described Hall element is produced respectively exports amplifying circuit to;
Described amplifying circuit, for not amplifying multiple Hall current, and exports the multiple Hall currents after amplifying to D/A converting circuit;
Described D/A converting circuit, for carrying out digital-to-analog conversion respectively to the multiple Hall currents after amplification, generating multiple digital quantity and transferring to single-chip microcomputer;
Described single-chip microcomputer, for processing multiple digital quantity, obtains the data in detection site angle of inclination and direction.
The beneficial effect of above-mentioned further scheme is adopted to be: by the process of amplifying circuit, D/A converting circuit and single-chip microcomputer, to promote the degree of accuracy to multiple Hall current process, detect sensitiveer.
Further, also comprise display, described display is connected with the output terminal of described single-chip microcomputer, and described display is used for showing the data in detection site angle of inclination and direction.
The beneficial effect of above-mentioned further scheme is adopted to be: display is convenient to testing staff has more intuitive understanding to testing result.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electromagnetic type levelness measuring device of the utility model;
Fig. 2 is the module frame chart of a kind of electromagnetic type levelness measuring device of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, the first permanent magnet, 2, glass tube, 3, Hall element, the 4, second permanent magnet, 5, fluid, 6, bubble, 7, amplifying circuit, 8, D/A converting circuit, 9, single-chip microcomputer, 10, display.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As depicted in figs. 1 and 2, a kind of electromagnetic type levelness measuring device, comprise the first permanent magnet 1, glass tube 2, multiple Hall element 3 and the second permanent magnet 4, described first permanent magnet 1 is placed in the top of described glass tube 2, multiple described Hall element 3 horizontal intervals are placed in the lower end of described glass tube 2 side by side, described second permanent magnet 4 is placed in the below of multiple described Hall element 3, fluid 5 is provided with in described glass tube 2, and be provided with moveable bubble 6 in described fluid 5, described first permanent magnet 1 and described second permanent magnet 4 are for generation of magnetic field, described bubble 6 is for changing the medium in magnetic field, make magnetic field intensity that corresponding change occur, multiple described Hall element 3 exports corresponding Hall current according to the change of magnetic field intensity.
Preferably, described Hall element 3 is provided with two, and two described Hall element 3 horizontal intervals are placed in the lower end of described glass tube 2 side by side.
Preferably, described first permanent magnet is the N pole in magnetic field, and described first permanent magnet is the S pole in magnetic field.
Preferably, also comprise amplifying circuit 7, D/A converting circuit 8 and single-chip microcomputer 9, the input end of described amplifying circuit 7 is connected with the output terminal of multiple described Hall element 3 respectively, the output terminal of described amplifying circuit 7 is connected with the input end of described D/A converting circuit 8, and the output terminal of described D/A converting circuit 8 is connected with described single-chip microcomputer 9; The Hall current that multiple described Hall element 3 is produced respectively exports amplifying circuit to;
Described amplifying circuit 7, for not amplifying multiple Hall current, and exports the multiple Hall currents after amplifying to D/A converting circuit 8;
Described D/A converting circuit 8, for carrying out digital-to-analog conversion respectively to the multiple Hall currents after amplification, generating multiple digital quantity and transferring to single-chip microcomputer 9;
Described single-chip microcomputer 9, for processing multiple digital quantity, obtains the data in detection site angle of inclination and direction;
Also comprise display 10, described display 10 is connected with the output terminal of described single-chip microcomputer 9, and described display 10 is for showing the data at detection site angle of inclination and direction.
Implement this device, this device, on the basis of traditional bubble and scale, adds permanent magnet and Hall element, the change in the corresponding magnetic field of change in detection site angle of inclination and direction, detect this change by Hall element, and export in the form of electric current;
This device is positioned in detection site, bubble 6 in glass tube 2 moves, medium in magnetic field between first permanent magnet 1 and described second permanent magnet 4 changes, make magnetic field intensity that corresponding change occur, multiple described Hall element 3 exports corresponding Hall current according to the change of magnetic field intensity, amplifying circuit 7 amplifies respectively to multiple Hall current, and export the multiple Hall currents after amplifying to D/A converting circuit 8, D/A converting circuit 8 carries out digital-to-analog conversion respectively to the multiple Hall currents after amplification, generate multiple digital quantity and transfer to single-chip microcomputer 9, single-chip microcomputer 9 processes multiple digital quantity, obtain the data in detection site angle of inclination and direction, the data in display 10 pairs of detection site angles of inclination and direction show, make measuring accuracy more accurate, realize this device one-piece construction simple, be convenient to produce, production cost is low, and accuracy of detection is high.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an electromagnetic type levelness measuring device, it is characterized in that: comprise the first permanent magnet (1), glass tube (2), multiple Hall element (3) and the second permanent magnet (4), described first permanent magnet (1) is placed in the top of described glass tube (2), multiple described Hall element (3) horizontal intervals are placed in the lower end of described glass tube (2) side by side, described second permanent magnet (4) is placed in the below of multiple described Hall element (3), fluid (5) is provided with in described glass tube (2), and be provided with moveable bubble (6) in described fluid (5), described first permanent magnet (1) and described second permanent magnet (4) are for generation of magnetic field, described bubble (6) is for changing the medium in magnetic field, make magnetic field intensity that corresponding change occur, multiple described Hall element (3) exports corresponding Hall current according to the change of magnetic field intensity.
2. a kind of electromagnetic type levelness measuring device according to claim 1, it is characterized in that: described Hall element (3) is provided with two, two described Hall element (3) horizontal intervals are placed in the lower end of described glass tube (2) side by side.
3. a kind of electromagnetic type levelness measuring device according to claim 1, it is characterized in that: described first permanent magnet is the N pole in magnetic field, described second permanent magnet is the S pole in magnetic field.
4. a kind of electromagnetic type levelness measuring device according to any one of claims 1 to 3, it is characterized in that: also comprise amplifying circuit (7), D/A converting circuit (8) and single-chip microcomputer (9), the input end of described amplifying circuit (7) is connected with the output terminal of multiple described Hall element (3) respectively, the output terminal of described amplifying circuit (7) is connected with the input end of described D/A converting circuit (8), and the output terminal of described D/A converting circuit (8) is connected with described single-chip microcomputer (9).
5. a kind of electromagnetic type levelness measuring device according to claim 4, it is characterized in that: also comprise display (10), described display (10) is connected with the output terminal of described single-chip microcomputer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520926083.7U CN205120106U (en) | 2015-11-19 | 2015-11-19 | Horizontal measuring device of electromagnetic type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520926083.7U CN205120106U (en) | 2015-11-19 | 2015-11-19 | Horizontal measuring device of electromagnetic type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205120106U true CN205120106U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520926083.7U Expired - Fee Related CN205120106U (en) | 2015-11-19 | 2015-11-19 | Horizontal measuring device of electromagnetic type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205120106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352479A (en) * | 2015-11-19 | 2016-02-24 | 烟台大学 | Electromagnetic levelness measuring device |
| CN111174693A (en) * | 2019-12-17 | 2020-05-19 | 金阳 | Surface flatness detection device for new material with capacitance variable control |
-
2015
- 2015-11-19 CN CN201520926083.7U patent/CN205120106U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352479A (en) * | 2015-11-19 | 2016-02-24 | 烟台大学 | Electromagnetic levelness measuring device |
| CN111174693A (en) * | 2019-12-17 | 2020-05-19 | 金阳 | Surface flatness detection device for new material with capacitance variable control |
| CN111174693B (en) * | 2019-12-17 | 2021-07-06 | 江苏骏茂新材料科技有限公司 | Surface flatness detection device for new material with capacitance variable control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20181119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |