CN209214489U - Can simultaneously the device of measurement angle and length based on polar coordinate system - Google Patents
Can simultaneously the device of measurement angle and length based on polar coordinate system Download PDFInfo
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- CN209214489U CN209214489U CN201822116717.9U CN201822116717U CN209214489U CN 209214489 U CN209214489 U CN 209214489U CN 201822116717 U CN201822116717 U CN 201822116717U CN 209214489 U CN209214489 U CN 209214489U
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- outer housing
- coordinate system
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model relates to can the device of measurement angle and length based on polar coordinate system simultaneously comprising the MCU that outer housing, the tape measure being arranged on outer housing outlet, the tape measure wheel disc being arranged in outer housing, the angular transducer that is arranged in outer housing and input terminal are electrically connected with angular transducer；Tape measure on tape measure wheel disc is exported from tape measure to be exported, and scale or no scale are had on tape measure.The encoder that output end is electrically connected with MCU input terminal is provided in outer housing；Encoder is connected with the friction pulley contacted with tape measure rolling friction.It is provided with the damping wheel shaft positioned at tape measure two sides in outer housing, is provided with the friction roller contacted with the corresponding mantle friction of tape measure on damping wheel shaft；Anti- retraction leading truck is provided in outer housing, tape measure is passed through from anti-retraction leading truck；It is the utility model is designed reasonably, compact-sized and easy to use.
Description
Technical field
The utility model relates to can simultaneously the device of measurement angle and length based on polar coordinate system.
Background technique
Currently, electronic length measuring device in the prior art is mostly rack-and-pinion type, principle is in article to be measured
One rack gear is set, there is the pinion gear of herewith rack gear engagement on length-measuring appliance.Pinion gear rolls on rack gear, displacement measurement dress
Set the length that article to be measured is calculated by counting the periodicity that pinion gear rolls.See domestic patent " altimeter ", application No. is:
85109249。
In addition to the length-measuring appliance disclosed in the above patent document, there are also a kind of teeth based on circle capacitive grating angular displacement sensor
Take turns rack gear length-measuring appliance.Its principle is: when pinion gear rolls on rack gear, circle capacitive grating angular displacement sensor being driven to turn
Dynamic, pinion gear per revolution, circle capacitive grating angular displacement sensor exports a certain number of pulse signals, passes through counting pulse signal
It can obtain the length of article to be measured.
But the defect of the above-mentioned prior art is: entire measuring device power consumption is big, and is powered using AC power source, volume
Greatly, difficult to install, the length-measuring appliance based on circle grid-capacitance sensor also has measurement accuracy low, easy by electrical Interference.
For the object in movement, for example, the object in the line of rabbet joint of Archimedian screw end face, needs to measure difference simultaneously
The length (radius of curvature) and angle of position, also along parabola, or in the object of cam face operation, the prior art needs elder generation
One of parameter is measured, then another parameter is being measured, cannot achieve while measuring, cause measurement accuracy poor, Wu Fazhi
Connect and establish polar coordinate system, without by cartesian coordinate system calculate, reduce workload, how to realize one kind is provided can be same
When measurement straight length and angle device become technical problem urgently to be solved.
Utility model content
Technical problem to be solved in the utility model is generally speaking to provide one kind can measurement angle and length base simultaneously
In the device of polar coordinate system；The technical issues of solving in detail and acquirement beneficial effect in aftermentioned content and combine specific implementation
Content specifically describes in mode.
To solve the above problems, technical solution adopted in the utility model is:
It is a kind of can simultaneously the device of measurement angle and length based on polar coordinate system, including outer housing, be arranged on outer housing
Tape measure outlet, the tape measure wheel disc being arranged in outer housing, the angular transducer that is arranged in outer housing and input terminal and angle
Spend the MCU of sensor electrical connection；
Tape measure on tape measure wheel disc is exported from tape measure to be exported, and scale or no scale are had on tape measure.
As a further improvement of the above technical scheme:
The encoder that output end is electrically connected with MCU input terminal is provided in outer housing；Encoder is connected with to be rolled with tape measure
The friction pulley of dynamic friction contact.
It is provided with the damping wheel shaft positioned at tape measure two sides in outer housing, is provided with table corresponding with tape measure on damping wheel shaft
The friction roller of face CONTACT WITH FRICTION；
Anti- retraction leading truck is provided in outer housing, tape measure is passed through from anti-retraction leading truck；
The guiding L-type frame of tape measure positioning is provided with positioned at tape measure wheel disc side and prevented in outer housing；
Definition is some positioning datum on outer housing or tape measure wheel disc central axis is positioning datum.
It is provided with ratchet on damping wheel shaft, the pawl connecting with ratchet is provided on outer housing.
It further include the battery being electrically connected respectively with MCU, key module, display screen, alarm module and for inserting USB flash disk
USB interface.
Anode is connected with the end Vin of voltage-stablizer AMS1117 after battery series connection, and the end GND of voltage-stablizer AMS1117 is grounded, surely
The end Vout of depressor AMS1117 exports electric energy；Mono- tunnel Vout of voltage-stablizer AMS1117 is followed by the terminal of MCU by filter module
12,13；
MCU uses STM32F103RBT6 model；The terminal 46,49 of MCU is electrically connected with clock module；The terminal of MCU
39,40 terminal 6,5 for having RAM card FM24w256 respectively；
The resetting terminal RESET of MCU
Encoder connects the ground connection of grating scale terminal 1, and terminal 4 connects power supply, and terminal 2 divides two-way, passes through light emitting diode all the way
Power supply is connect, another way connects the terminal 22 of MCU by resistance, and terminal 3 divides two-way, connects power supply by light emitting diode all the way, another
Road connects the terminal 23 of MCU by resistance；The roller bearing electromagnetic signal input terminal of encoder connects the terminal 5,6 of MCU respectively；
The terminal 1 of angular transducer connects power supply, and terminal 4 is grounded, and terminal 2,3 connects the terminal 16,17 of MCU respectively；
The terminal 3-7 of display screen meets the terminal 57-53 of MCU respectively；
The terminal 2,3 of USB interface connects the terminal 43,42 of MCU respectively；
Alarm module connects the terminal 33 of MCU；
The switch K1-K5 of key module meets the terminal 27-24 of MCU, 21 respectively.The beneficial effects of the utility model are not limited to
This description, in order to preferably be easy to understand, has carried out more detailed description in specific embodiment part.
Detailed description of the invention
Fig. 1 is the block diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is the structural schematic diagram of the utility model MCU.
Fig. 4 is one circuit diagram of part of the utility model.
Fig. 5 is two circuit diagrams of part of the utility model.
Fig. 6 is the local three-circuit figure of the utility model.
Fig. 7 is four circuit diagrams of part of the utility model.
Fig. 8 is five circuit diagrams of part of the utility model.
Fig. 9 is six circuit diagrams of part of the utility model.
Figure 10 is seven circuit diagrams of part of the utility model.
Figure 11 is eight circuit diagrams of part of the utility model.
Figure 12 is nine circuit diagrams of part of the utility model.
Figure 13 is ten circuit diagrams of part of the utility model.
Figure 14 is 11 circuit diagrams of part of the utility model.
Figure 15 is 12 circuit diagrams of part of the utility model.
Figure 16 is the ten three-circuit figures of part of the utility model.
Wherein: 1, outer housing；2, tape measure exports；3, tape measure wheel disc；4, wheel shaft is damped；5, friction pulley；6, ratchet；7, spine
Pawl；8, anti-retraction leading truck；9, it is oriented to L-type frame；10,MCU；11, encoder；12, positioning datum；13, battery；14, angle passes
Sensor；15, key module；16, display screen；17, USB interface；18, USB flash disk.
Specific embodiment
As shown in Figure 1, the present embodiment can the device of measurement angle and length based on polar coordinate system simultaneously, including outer housing
1, the tape measure being arranged on outer housing 1 exports 2, the tape measure wheel disc 3 being arranged in outer housing 1, the angle being arranged in outer housing 1
The MCU10 that sensor 14 and input terminal are electrically connected with angular transducer 14；
Tape measure on tape measure wheel disc 3 has scale or no scale from 2 output of tape measure outlet, tape measure.
The encoder 11 that output end is electrically connected with MCU10 input terminal is provided in outer housing 1；Encoder 11 be connected with
The friction pulley 5 of tape measure rolling friction contact.
It is provided with the damping wheel shaft 4 positioned at tape measure two sides in outer housing 1, is provided with and tape measure pair on damping wheel shaft 4
The friction roller for answering mantle friction to contact；
Anti- retraction leading truck 8 is provided in outer housing 1, tape measure is passed through from anti-retraction leading truck 8；
The guiding L-type frame 9 of tape measure positioning is provided with positioned at 3 side of tape measure wheel disc and prevented in outer housing 1；
Definition is some positioning datum 12 on outer housing 1 or 3 central axis of tape measure wheel disc is positioning datum 12.
It is provided with ratchet 6 on damping wheel shaft 4, the pawl 7 connecting with ratchet 6 is provided on outer housing 1.
Further include the battery 13 being electrically connected respectively with MCU10, key module 15, display screen 16, alarm module and is used for
Insert the usb 17 of USB flash disk 18.
Anode is connected with the end Vin of voltage-stablizer AMS1117 after battery 13 is connected, and the end GND of voltage-stablizer AMS1117 is grounded,
The end Vout of voltage-stablizer AMS1117 exports electric energy；Mono- tunnel Vout of voltage-stablizer AMS1117 is followed by MCU10's by filter module
Terminal 12,13；
MCU10 uses STM32F103RBT6 model；The terminal 46,49 of MCU10 is electrically connected with clock module；MCU10's
Terminal 39,40 has the terminal 6,5 of RAM card FM24w256 respectively；
The resetting terminal RESET of MCU10
Encoder 11 connects the ground connection of grating scale terminal 1, and terminal 4 connects power supply, and terminal 2 divides two-way, passes through light-emitting diodes all the way
Pipe connects power supply, and another way connects the terminal 22 of MCU10 by resistance, and terminal 3 divides two-way, connects power supply by light emitting diode all the way,
Another way connects the terminal 23 of MCU10 by resistance；The roller bearing electromagnetic signal input terminal of encoder 11 connect respectively MCU10 terminal 5,
6；
The terminal 1 of angular transducer 14 connects power supply, and terminal 4 is grounded, and terminal 2,3 connects the terminal 16,17 of MCU10 respectively；
The terminal 3-7 of display screen 16 meets the terminal 57-53 of MCU10 respectively；
The terminal 2,3 of usb 17 connects the terminal 43,42 of MCU10 respectively；
Alarm module connects the terminal 33 of MCU10；
The switch K1-K5 of key module 15 meets the terminal 27-24 of MCU10,21 respectively.
When using the utility model, outer housing 1 is carrier, and tape measure wheel disc 3 realizes line measurement from 2 output of tape measure outlet,
Damping wheel shaft 4 prevents tape measure from retracting under the action of torsional spring, wind spring or spring, and ratchet 6, pawl 7 is realized unidirectional when exporting
Braking prevents the rebound of tape measure wheel disc 3 from withdrawing ruler, pushes pawl aside manually, to realize that tape measure contracts automatically under the action of wind spring
It returns, anti-retraction leading truck 8 realizes guiding, while preventing tape measure end from retracting, and guiding L-type frame 9 guarantees that tape measure is whole on tape measure wheel disc 3
Neat to coil, tape measure drives the rotation of friction pulley 5 that encoder 11 is driven to count by frictional force, and is sent to MCU10, MCU10 conduct
Master controller.
When measurement, zero point is used as by positioning datum 12, realizes that polar coordinate system is established in positioning, with the song of size to be measured
Line movement, pulls tape measure, to realize the measurement to object relative to the angle and distance of benchmark, is being measured by Resetting Switching
Zero setting is realized before, and angular transducer 14 can be the common angles sensor such as gyroscope.The circuit module controlled by MCU10
Realize automatic count and storage, the multiple functions such as alarm.
For linear measure longimetry, realize that encoder and band tape graduation realize the dual measurement to length, convenient, selection mode
It is more.The utility model realize polar coordinates to angle with apart from while accurate rapid survey, calculating, it is easy to operate.
The utility model is designed reasonably, low in cost, durable, safe and reliable, easy to operate, time saving and energy saving, saving
It is fund, compact-sized and easy to use.
It is to disclose in order to more clear, and the prior art is just no longer enumerated that the utility model, which fully describes,.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；It is obvious for being combined as multiple technical solutions of the those skilled in the art to the utility model.And these
It modifies or replaces, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. one kind can simultaneously the device of measurement angle and length based on polar coordinate system, it is characterised in that: including outer housing (1), set
Set on outer housing (1) tape measure outlet (2), setting in outer housing (1) tape measure wheel disc (3), be arranged in outer housing (1)
Angular transducer (14) and the MCU(10 that is electrically connected with angular transducer (14) of input terminal)；
Tape measure on tape measure wheel disc (3) is exported from tape measure outlet (2), and scale or no scale are had on tape measure.
2. it is according to claim 1 can simultaneously the device of measurement angle and length based on polar coordinate system, it is characterised in that:
Output end and MCU(10 are provided in outer housing (1)) encoder (11) that is electrically connected of input terminal；Encoder (11) be connected with
The friction pulley (5) of tape measure rolling friction contact.
3. it is according to claim 1 can simultaneously the device of measurement angle and length based on polar coordinate system, it is characterised in that:
It is provided with the damping wheel shaft (4) positioned at tape measure two sides in outer housing (1), is provided with and tape measure in damping wheel shaft (4)
The friction roller of corresponding mantle friction contact；
Anti- retraction leading truck (8) is provided in outer housing (1), tape measure is passed through from anti-retraction leading truck (8)；
The guiding L-type frame (9) of tape measure positioning is provided with positioned at tape measure wheel disc (3) side and prevented in outer housing (1)；
Definition is some positioning datum (12) on outer housing (1) or tape measure wheel disc (3) central axis is positioning datum (12).
4. it is according to claim 3 can simultaneously the device of measurement angle and length based on polar coordinate system, it is characterised in that:
Ratchet (6) are provided in damping wheel shaft (4), the pawl (7) connecting with ratchet (6) is provided on outer housing (1).
5. it is according to claim 2 can simultaneously the device of measurement angle and length based on polar coordinate system, it is characterised in that: also
Including battery (13), key module (15), display screen (16), the alarm module and for inserting being electrically connected respectively with MCU(10)
Fill the USB interface (17) of USB flash disk (18).
6. it is according to claim 5 can simultaneously the device of measurement angle and length based on polar coordinate system, it is characterised in that:
Anode is connected with the end Vin of voltage-stablizer AMS1117 after battery (13) series connection, and the end GND of voltage-stablizer AMS1117 is grounded, surely
The end Vout of depressor AMS1117 exports electric energy；Mono- tunnel Vout of voltage-stablizer AMS1117 is followed by MCU(10 by filter module)
Terminal 12,13；
MCU(10 STM32F103RBT6 model) is used；MCU(10 terminal 46,49) is electrically connected with clock module；MCU(10)
Terminal 39,40 have the terminal 6,5 of RAM card FM24w256 respectively；
MCU(10 resetting terminal RESET)
Encoder (11) connects the ground connection of grating scale terminal 1, and terminal 4 connects power supply, and terminal 2 divides two-way, passes through light emitting diode all the way
Connect power supply, another way meets MCU(10 by resistance) terminal 22, terminal 3 divides two-way, connect power supply by light emitting diode all the way,
Another way meets MCU(10 by resistance) terminal 23；The roller bearing electromagnetic signal input terminal of encoder (11) meets MCU(10 respectively)
Terminal 5,6；
The terminal 1 of angular transducer (14) connects power supply, and terminal 4 is grounded, and terminal 2,3 meets MCU(10 respectively) terminal 16,17；
The terminal 3-7 of display screen (16) meets MCU(10 respectively) terminal 57-53；
The terminal 2,3 of USB interface (17) meets MCU(10 respectively) terminal 43,42；
Alarm module meets MCU(10) terminal 33；
The switch K1-K5 of key module (15) meets MCU(10 respectively) terminal 27-24,21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822116717.9U CN209214489U (en) | 2018-12-17 | 2018-12-17 | Can simultaneously the device of measurement angle and length based on polar coordinate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822116717.9U CN209214489U (en) | 2018-12-17 | 2018-12-17 | Can simultaneously the device of measurement angle and length based on polar coordinate system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209214489U true CN209214489U (en) | 2019-08-06 |
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ID=67464984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822116717.9U Active CN209214489U (en) | 2018-12-17 | 2018-12-17 | Can simultaneously the device of measurement angle and length based on polar coordinate system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209214489U (en) |
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2018
- 2018-12-17 CN CN201822116717.9U patent/CN209214489U/en active Active
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