CN209263943U - A kind of bevel protractor - Google Patents
A kind of bevel protractor Download PDFInfo
- Publication number
- CN209263943U CN209263943U CN201822250345.9U CN201822250345U CN209263943U CN 209263943 U CN209263943 U CN 209263943U CN 201822250345 U CN201822250345 U CN 201822250345U CN 209263943 U CN209263943 U CN 209263943U
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- laser
- station meter
- bevel protractor
- measuring scale
- range finder
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Abstract
The utility model discloses a kind of bevel protractor, the station meter and measuring scale being hinged including one end, and power supply, slide rheostat and microcontroller, slide rheostat is set to the hinged place of station meter and measuring scale, the slide rheostat is electrically connected power supply and microcontroller, and microcontroller is configured to obtain the angle between station meter and measuring scale according to the resistance value of slide rheostat.The utility model carries out angle measurement using slide rheostat, and precision is high, and can calculate the angle of bevel protractor any position, and the scope of application is wide in range.
Description
Technical field
The utility model relates to intelligence tools and technical field of mapping, are measured more particularly, to a kind of by slide rheostat
The bevel protractor of angle.
Background technique
Bevel protractor is common surveying and mapping tool in construction, and primary structure is usually hinged by two one end straight
Ruler is constituted, in use, a ruler, as station meter, another ruler is used as measuring scale around hinge joint rotation.
But existing bevel protractor function is all more single, asking for the different measurements that need to be surveyed and drawn under angle can not be tracked by existing
Topic.Such as the Multifunctional angle scale for the patent application publication that notification number is CN2697584Y, the bevel protractor of the patent application is in its base
One end of object staff is equipped with laser and laser switch, it is clear that the laser that this laser on the station meter is emitted can not be with
Track difference need to survey and draw the measurement under angle.The for another example laser angle square of the patent disclosure of CN2694227Y, the patent are having bottom
Arc groove is set on the set square of seat, above has the protractor of protractor, the hand rest of laser rotates with it, to it in arc groove
The two sides number of divisions reads the point of measured object or the angle of line and electromechanics, and not only measurement angle range is small and measurement display for the bevel protractor
Precision is low.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of biggish angle of measurement angle range
Ruler.
To achieve the above object, the utility model proposes following technical solutions: a kind of bevel protractor, including one end are hinged
Station meter and measuring scale and power supply, slide rheostat and microcontroller, the slide rheostat be set to station meter and measurement
The hinged place of ruler, the slide rheostat are electrically connected power supply and microcontroller, and the microcontroller is configured to according to
The resistance value of slide rheostat obtains the angle between station meter and measuring scale.
Preferably, the slide rheostat includes two resistor wiring ends and sliding terminals, one of them described resistance
Wiring terminates positive pole, another described resistor wiring termination power cathode, and the sliding wiring terminates the microcontroller,
The microcontroller is configured to obtain the angle between station meter and measuring scale according to the resistance value on the sliding terminals.
Preferably, one end of the station meter and measuring scale is hinged by a central rotating shaft, and the slide rheostat is set
It is placed on the central rotating shaft.
Preferably, the bevel protractor further includes the first throwing wire module being set on station meter and is set on measuring scale
Second throws wire module.
Preferably, the first throwing wire module and the second throwing wire module are all made of a wordline laser mould group.
Preferably, it is provided with first laser range finder module and second laser range finder module on the station meter, described first
The first laser that laser ranging module issues and the second laser that second laser range finder module issues are perpendicular, the first laser
Range finder module obtains first distance value according to first laser measurement, and the second laser range finder module is measured according to second laser
To second distance value.
Preferably, the first laser range finder module is set to the end of the station meter other end, second range finder module
It is set to the side of station meter.
Preferably, the bevel protractor further includes the display screen being set on station meter.
Preferably, the three axle Gravity accelerometers for detection level degree are provided on the station meter.
The beneficial effects of the utility model are:
1, angle measurement being carried out using slide rheostat, precision is high, and can calculate the angle of bevel protractor any position,
The scope of application is wide in range；
2, two throwing wire modules can be cooperated, the laser that wire module is launched is thrown by two, remote angle may be implemented
Projection, obtain required angle of constructing, and the measurement of remote angle；
3, by two perpendicular laser ranging modules, may be implemented testee perpendicular both direction away from
From measurement and the positioning of two-dimensional coordinate.
Detailed description of the invention
Fig. 1 is the schematic diagram of circuit connection structure of the utility model slide rheostat；
Fig. 2 is the overlooking structure diagram of the utility model slide rheostat；
Fig. 3 is the schematic view of the front view of the utility model bevel protractor (under rectangular state)；
Fig. 4 is the schematic perspective view of the utility model bevel protractor；
Fig. 5 is the present invention looks up structural representation of the utility model bevel protractor.
Appended drawing reference:
1, station meter, 2, measuring scale, 3, slide rheostat, 4, microcontroller, 5, central rotating shaft, 6, first throws wire module,
7, second wire module is thrown, 8, first laser range finder module, 9, second laser range finder module, 10, display screen, 12, first through logical
Hole, 13, second runs through through-hole.
Specific embodiment
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model embodiment is carried out clear, complete
Description.
In conjunction with shown in FIG. 1 to FIG. 3, a kind of revealed bevel protractor of the utility model, including station meter 1, measuring scale 2, cunning
Dynamic rheostat 3 and microcontroller 4, wherein one end of station meter 1 and measuring scale 2 is hinged by a central rotating shaft 5, and the other end is equal
For free end, measuring scale 2 can be that rotation center relative datum ruler 1 is rotated with central rotating shaft 5.
Slide rheostat 3 is set to the hinged place of station meter 1 and measuring scale 2, and in the present embodiment, slide rheostat 3 is arranged
In on the central rotating shaft 5, specially it is fixed on central rotating shaft 5.It is equipped with power supply in the bevel protractor of the utility model, slides variable resistance
Device 3 can have power supply directly to power, and can also be powered by microprocessor 4, microprocessor 4 connects to power supply.In the present embodiment
In, power supply is preferably constant voltage VDD, is directly powered for slide rheostat 3.As shown in Figure 1, slide rheostat 3 includes two
Resistor wiring end (foot 1 and foot 3) and sliding terminals (foot 2), wherein one of them (i.e. foot 1) in two resistor wiring ends
Constant voltage VDD is met, another (i.e. foot 3) is grounded GND, and sliding terminals (i.e. foot 2) connects microcontroller 4, specifically connects microcontroller
ADC (Analog-to-digital converter, analog-digital converter) port of device 4.
When measuring scale 2 is rotated around central rotating shaft 5, the resistance value on sliding terminals among slide rheostat 3 can occur
Variation, the voltage value corresponded on middle slip terminals can also change.Microcontroller 4 reads sliding terminals by the port ADC
In the first voltage value of starting point, and demarcates this value and correspond to zero degree；Sliding terminals are read again in the second voltage of terminal
Value, and demarcating this value is terminal angle.
Microcontroller 4 can be excellent using applicable single-chip microcontroller or ARM microcontroller, the embodiments of the present invention as needed
Select the ARM microcontroller of STM32F103 model.Microcontroller 4 is according to first and second the two voltage values, using respectively algorithm
To calculate the angle (any angle i.e. between measuring scale 2 and station meter 1) of bevel protractor any position.
Specifically, in default setting or calibration setting, microcontroller 4 reads sliding terminals by the port ADC and is rising
The first voltage value of initial point (position when i.e. station meter 1 and measuring scale 2 close up and coincide together where sliding terminals), this
When station meter 1 and measuring scale 2 between angle be zero degree, demarcate this voltage value and correspond to zero degree；Measuring scale 2 is turned to separately
One known angle, such as the angle turned between station meter is 90 degree, then reads sliding terminals and (survey in second point
Gage 2 rotate after slide terminals where position) second voltage value, and demarcate the corresponding angle of this value be 90 degree.For
Raising measurement accuracy, the calibration that corresponding angle can also be carried out to the voltage value of 180 degree record, and be also possible to other angles value
To debug.The corresponding angle value of per unit voltage value is calculated by dividing equally algorithm again, to realize angle meter.
In use, when realizing angle measurement with bevel protractor, rotation measuring ruler 2 and station meter 1, when measuring scale 2 is around center
When shaft 5 rotates, the resistance value on sliding terminals among slide rheostat 3 can change, and correspond to middle slip wiring
Voltage value on end can also change.When the matching of the both sides of 1 angle measurement of measuring scale 2 and station meter, the voltage of terminals is slided at this time
It is worth the angle value that corresponding angle value is angle measurement.
For example, when measuring scale 2 and station meter 1 close up, the angle formed between the two is 0 degree, at this time microcontroller 4
The voltage value read is assumed to be 3V, and measuring scale 2 is gone to around central rotating shaft 5 when flushing with station meter 1, the angle formed between the two
Degree is 180 degree, and the voltage value that microcontroller 4 is read at this time is assumed to be 5V, according to angle-data and voltage value data, Ke Yiji
It is 90 degree that calculation, which obtains the corresponding angle of every volt voltage value, in this way, microcontroller 4 is obtaining the starting point of bevel protractor at an arbitrary position
After two voltage values of terminal point, combine the corresponding angle of every volt voltage value (i.e. multiplied by 90 the difference of the two voltage values
Degree), so that it may obtain the angle degree for being between station meter 1 and measuring scale 2.
Further, as a preferred embodiment, as shown in figure 5, a kind of revealed bevel protractor of the utility model can be with
Wire module 6 and second, which to be thrown, including first throws wire module 7, wherein the first throwing wire module 6 is set on station meter 1, and capable of emitting one
With the coincidence of 1 place horizontal center line axis of station meter or parallel first laser；Second throwing wire module 7 is then set on measuring scale 2,
Same capable of emitting one with the coincidence of 2 place horizontal center line axis of measuring scale or parallel second laser.In this way, when needing to long-range
When angle between object measures, two laser that the first throwing wire module 6 and the second throwing wire module 7 can be launched are right respectively
Two objects of the distant place that standard need to measure, can measure to obtain the angle between two objects in conjunction with slide rheostat 3；Or
When needing to obtain construction angle, station meter 1 is placed in datum level, wheel measuring ruler 2, the projected on measuring scale 2 at this time
Dual-laser changes with the rotation of measuring scale 2 simultaneously, and the angle that the first laser that relative datum ruler 1 projects is formed is exactly
Angle required for constructing.In the present embodiment, the first and second throwing wire modules 6,7 are a wordline laser mould group.
It is highly preferred that as shown in connection with fig. 4, a kind of revealed bevel protractor of the utility model can also include laser ranging mould
Block and display screen 10, wherein laser ranging module is set on bevel protractor, is used for ranging and positioning.It launches two mutually
Vertical the first range laser and the second range laser.When implementation, this two range lasers can be by a laser ranging module
It generates, can also be generated respectively by two laser ranging modules.It in the present embodiment, is produced respectively by two laser ranging modules
Raw, i.e., laser ranging module includes first laser range finder module 8 and second laser range finder module 9, wherein first laser ranging mould
Block 8 is corresponding to issue above-mentioned first range laser, and second laser range finder module 9 is corresponding to issue above-mentioned second range laser.
When implementation, the two laser ranging modules 8,9 can be arranged on station meter 1, can also be arranged at measurement
On ruler 2, or it is respectively arranged on station meter 1 and measuring scale 2, as long as two perpendicular range lasers can be issued,
In, when being respectively arranged on station meter 1 and measuring scale 2, station meter 1 and measuring scale 2 is needed to close up realization.
In the present embodiment, two laser ranging modules 8,9 are all set on station meter 1.Specifically, first laser ranging mould
Block 8 is set to the end of 1 other end of station meter (i.e. free end), the horizontal middle spindle of the first laser and station meter 1 that issue
Line (being defined as X-direction) is overlapped or in parallel, second laser range finder module 9 is set to the side of station meter 1, second issued
Laser is vertical with first laser (being defined as Y direction).Wherein, first laser range finder module 8 can according to the first laser of sending
It is obtained first distance value (i.e. coordinate of the testee in X-direction) with measurement, second laser range finder module 9 is according to the of sending
Dual-laser can measure to obtain second distance value (i.e. coordinate of the testee in Y direction), realize distance measurement function, first laser
How the principle of ranging can refer to existing common laser ranging module for range finder module 8, second laser range finder module 9, here not
It repeats.
Preferably, it is provided with the datum mark for laser ranging module laser ranging on bevel protractor, when implementation, the datum mark
On any position that the other end (i.e. free end) in bevel protractor far from hinged end can be set, in the present embodiment, datum mark is set
On any optical axis for setting the first range laser or the second range laser.The position setting one that the datum mark is corresponded on bevel protractor runs through
The datum hole of bevel protractor is used for ranging localization or label.When first laser range finder module 3 and second laser range finder module 4 hang down
When straight setting, the central point of datum hole is located on the rear extensions intersection point of the first range laser and the second range laser；First laser
Range finder module 3 and second laser range finder module 4 can also be horizontally disposed with, wherein a branch of range laser can be by adding optics device
Part changes laser direction, to realize the vertical of two beam laser, surveys at this point, the central point of datum hole can be positioned at first laser
In the rear extensions of the laser direction emitted away from module 3, while being located at the laser side that second laser range finder module 4 emits
To preceding extensions on, i.e. the second range laser emit after by being added between second laser range finder module 4 and datum hole
45 ° of reflecting mirrors reflect away.Specifically, setting one at the position of datum mark is corresponded on station meter 1 to pass through through the first of station meter 1
Reach through hole 12, first on station meter 1 is corresponded on measuring scale 2 through the position of through-hole 12 setting one second through through-hole 13, should
First, through the position overlapping when station meter 1 and measuring scale 2 close up through through-hole 13 of through-hole 12 and second, forms said reference
Hole.In this way, the datum mark of ranging can be very intuitively found by the datum hole, compared to existing other modes when ranging
Benchmarking it is more accurate, and can also be marked by the datum hole after finding.Two obtained according to above-mentioned measurement
Distance value can determine the two-dimensional coordinate of testee again, realize positioning.
Display screen 10 is arranged on station meter 1, the display of angle, distance value for measuring to bevel protractor.Station meter 1
On be also provided with bubble or three axle Gravity accelerometers for detection level degree.Added by bubble or three axis gravity
Velocity sensor can adjust bevel protractor on the position being parallel to the horizontal plane, it is ensured that the accuracy of measurement.
The utility model carries out angle measurement to testee using slide rheostat 3, and precision is high, and can calculate angle of departure
Spend the angle of ruler any position；In addition cooperate two throwings wire modules 6,7, and may be implemented remote angle measurement and at a distance
The projection of angle；And two perpendicular laser ranging modules 8,9 of cooperation, testee may be implemented in two perpendicular sides
To range measurement and two-dimensional coordinate positioning.
The technology contents and technical characteristic of the utility model have revealed that as above, however those skilled in the art still may be used
Can teaching based on the utility model and announcement and make various replacements and modification without departing substantially from the spirit of the present invention, therefore, this
Utility model protection range should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model
And modification, and covered by present patent application claim.
Claims (9)
1. a kind of bevel protractor, which is characterized in that the station meter and measuring scale and power supply that are hinged including one end, sliding variable resistance
Device and microcontroller, the slide rheostat are set to the hinged place of station meter and measuring scale, and the slide rheostat is electric respectively
Connection power supply and microcontroller, the microcontroller are configured to obtain station meter and survey according to the resistance value of the slide rheostat
Angle between gage.
2. bevel protractor according to claim 1, which is characterized in that the slide rheostat include two resistor wiring ends and
Terminals are slided, one of them described resistor wiring termination power anode, another described resistor wiring termination power cathode, institute
It states sliding wiring and terminates the microcontroller, the microcontroller is configured to be obtained according to the resistance value on the sliding terminals
Angle between station meter and measuring scale.
3. bevel protractor according to claim 1, which is characterized in that one end of the station meter and measuring scale passes through a center
Shaft is hinged, and the slide rheostat is set on the central rotating shaft.
4. bevel protractor according to claim 1, which is characterized in that the bevel protractor further includes be set on station meter
One throwing wire module and the second throwing wire module being set on measuring scale.
5. bevel protractor according to claim 4, which is characterized in that the first throwing wire module and the second throwing wire module are adopted
With a wordline laser mould group.
6. bevel protractor according to claim 1, which is characterized in that be provided with first laser range finder module on the station meter
What the first laser and second laser range finder module issued with second laser range finder module, the first laser range finder module issued
Second laser is perpendicular, and the first laser range finder module obtains first distance value according to first laser measurement, and described second swashs
Ligh-ranging module obtains second distance value according to second laser measurement.
7. bevel protractor according to claim 6, which is characterized in that it is another that the first laser range finder module is set to station meter
The end of one end, the second laser range finder module are set to the side of station meter.
8. bevel protractor according to claim 1, which is characterized in that the bevel protractor further includes being set to showing on station meter
Display screen.
9. bevel protractor according to claim 1, which is characterized in that be provided on the station meter for detection level degree
Three axle Gravity accelerometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822250345.9U CN209263943U (en) | 2018-12-29 | 2018-12-29 | A kind of bevel protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822250345.9U CN209263943U (en) | 2018-12-29 | 2018-12-29 | A kind of bevel protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209263943U true CN209263943U (en) | 2019-08-16 |
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ID=67583824
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822250345.9U Active CN209263943U (en) | 2018-12-29 | 2018-12-29 | A kind of bevel protractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061544A (en) * | 2021-11-10 | 2022-02-18 | 佛山市顺德区美的电子科技有限公司 | Household appliance, method for measuring installation angle of household appliance and storage medium |
-
2018
- 2018-12-29 CN CN201822250345.9U patent/CN209263943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061544A (en) * | 2021-11-10 | 2022-02-18 | 佛山市顺德区美的电子科技有限公司 | Household appliance, method for measuring installation angle of household appliance and storage medium |
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