CN208254408U - A kind of Portable measuring pen - Google Patents
A kind of Portable measuring pen Download PDFInfo
- Publication number
- CN208254408U CN208254408U CN201820729650.3U CN201820729650U CN208254408U CN 208254408 U CN208254408 U CN 208254408U CN 201820729650 U CN201820729650 U CN 201820729650U CN 208254408 U CN208254408 U CN 208254408U
- Authority
- CN
- China
- Prior art keywords
- idler wheel
- optical coupling
- slot optical
- display screen
- chip microcontroller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of Portable measuring pen, including shell, shell lower end is equipped with shaft and slot optical coupling, idler wheel is installed in shaft, idler wheel is circumferentially equipped with several evenly distributed axial perforation, the groove of slot optical coupling is straight down, idler wheel top protrudes into groove and a perforation is connected by slot optical coupling, case surface is embedded with display screen, the single-chip microcontroller of electrical connection is additionally provided in shell, scale bar input module and voice broadcast module, monolithic mechatronics slot optical coupling, voice broadcast module is electrically connected display screen, display screen is electrically connected battery, idler wheel on map when rolling, slot optical coupling generates electric signal and is transmitted to single-chip microcontroller, scale bar input module inputs scale bar, single-chip microcontroller carries out signal to calculate measurement distance, voice broadcast module casting measurement distance and display screen display measurement distance.The utility model has the beneficial effects that the optical signal of displacement is converted into electric signal in conjunction with idler wheel by slot optical coupling, measurement error is small, and precision is high.
Description
Technical field
The utility model relates to map distance-measurement device more particularly to a kind of Portable measuring pens.
Background technique
It in navigation, exploration, army's manoeuvre or actual combat, needs quickly to know the distance between two o'clock in paper map, passes
The map distance-measurement method of system is to be set with cord by the shape of point-to-point transmission route, and the length of cord is then measured with ruler, is passed through
Formula length × scale denominator on distance=figure on the spot, so that it may the actual range between two places is calculated, when between two o'clock to be measured
When the distance of route is larger, easily shifts since cord is not easy to operate during ornaments, is only able to achieve rough measure purpose,
This traditional method there is when operating cost, error it is larger, the problems such as accuracy is not high.
Utility model content
In view of this, the embodiments of the present invention provide a kind of Portable measuring pen.
The embodiments of the present invention provide a kind of Portable measuring pen, are used for map distance-measurement, including shell, the shell
Lower end is equipped with slot optical coupling and shaft, and idler wheel is installed in the shaft, and the idler wheel is circumferentially equipped with several uniform
The axial through bore of distribution, the groove of the slot optical coupling straight down, protrude into the groove and make an institute by the idler wheel top
It states perforation the slot optical coupling is connected, the outer surface of outer cover is embedded with display screen, is additionally provided with and is sequentially connected electrically in the shell
Single-chip microcontroller, scale bar input module and voice broadcast module, slot optical coupling described in the monolithic mechatronics, the voice broadcasts
Module is reported to be electrically connected the display screen, the display screen is electrically connected battery, and for the idler wheel when rolling on map, the perforation is logical
It crosses the slot optical coupling when groove to be switched on, otherwise be blocked, the slot optical coupling generates rising edge and failing edge signal
And it is transmitted to the single-chip microcontroller, the scale bar input module inputs scale bar, and the single-chip microcontroller counts signal, by counting
Number calculates drawing distance multiplied by arc length between adjacent two perforation, is converted to obtain measurement distance, the voice according to scale bar
Broadcasting module casting measurement distance and display screen display measurement distance.
Further, the idler wheel is circumferentially equipped with 20 equally distributed perforation.
Further, the radius of the idler wheel is less than 1cm.
Further, the single-chip microcontroller is MSP430F149 single-chip microcontroller.
Further, the voice broadcast module is made of ISD4004 speech chip and recording and playing circuit.
Further, the upper shell is equipped with battery case, and the battery-disassembled is installed in the battery case.
The technical solution that the embodiments of the present invention provide has the benefit that the portable survey of the utility model
Slot optical coupling fast response time is utilized away from pen, not the few characteristic of the restriction of contact measurement and receipts detection body, by position in conjunction with idler wheel
The optical signal of shifting is converted into electric signal, and measurement error is small, and precision is high, and in measurement, idler wheel is along route slide to be measured
It is convenient, it is low in energy consumption, it is small in size portable, meet the requirement of modern equipment.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model Portable measuring pen;
Fig. 2 is the schematic diagram of idler wheel in Fig. 1;
Fig. 3 is the circuit diagram of single-chip microcontroller 6 in Fig. 1;
Fig. 4 is the circuit diagram of voice broadcast module 4 in Fig. 1;
Fig. 5 is the circuit diagram of the recording and playing circuit playback part of voice broadcast module 4 in Fig. 1.
In figure: 1- shell, 2- battery, 3- display screen, 4- voice broadcast module, 5- scale bar input module, 6- single-chip microcontroller,
7- idler wheel, 8- slot optical coupling, 9- shaft, 10- perforation.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
Fig. 1 and Fig. 2 are please referred to, the embodiments of the present invention provide a kind of Portable measuring pen, it is used for map distance-measurement,
Including shell 1,1 lower end of shell is equipped with slot optical coupling 8 and shaft 9, idler wheel 7 is installed in the shaft 9, in order to guarantee to survey
The accuracy of amount and easy to carry, the radius of the idler wheel 7 should be less than 1cm, the idler wheel 7 be circumferentially equipped with it is several
The axial through bore 10 of even distribution, the groove of the slot optical coupling 8 straight down, 7 top of idler wheel protrude into the groove and
A perforation 10 is connected by the slot optical coupling, in order to reach effective blocking of 8 infrared ray of slot optical coupling, examines simultaneously
Consider 7 own dimensions of idler wheel, 20 perforation 10 are set on the idler wheel 7, and slot optical coupling 8 is combined with idler wheel 7 by position
The optical signal of shifting is converted into electric signal, and measurement error is small, and precision is high;
1 upper end of shell is equipped with battery case, is removably equipped with battery 2,1 appearance of shell in the battery case
Face is embedded with display screen 3, and the display screen 3 is electrically connected battery 2, and the single-chip microcontroller 6 being sequentially connected electrically, ratio are additionally provided in the shell 1
Example ruler input module 5 and voice broadcast module 4, the single-chip microcontroller 6 are electrically connected the slot optical coupling 8, the voice broadcast module 4
It is electrically connected the display screen 3;
Referring to FIG. 3, the single-chip microcontroller 6 is preferably MSP430F149 single-chip microcontroller, the pin of MSP430F149 single-chip microcontroller
P1.2/TA1 connects the infrared receiver end of the slot optical coupling 8, realizes the receive capabilities of signal, the idler wheel 7 is on map
When rolling, the perforation 10 passes through the slot optical coupling 8 when the groove and is switched on, on the idler wheel 7 between the perforation 10
The slot optical coupling 8 is then blocked when part is by the groove, and the slot optical coupling 8 constantly substitutes in conducting and blocking,
The slot optical coupling 8 generates rising edge and failing edge signal, and MSP430F149 single-chip microcontroller receives these signals, and carries out to signal
It counts, calculates drawing distance multiplied by arc length between adjacent two perforation 10 by counting, it is right by the scale bar input module 5
MSP430F149 single-chip microcontroller inputs the scale bar on map, and the MSP430F149 single-chip microcontroller converts according to scale bar to be measured
Distance, MSP430F149 monolithic operating voltage is low, and acquires and handle signal and be in low power consumpting state later, also has storage empty
Between big and arithmetic speed advantage, make distance-measurement pen integrally low energy consumption;
Fig. 4 and Fig. 5 are please referred to, the voice broadcast module 4 is made of ISD4004 speech chip and recording and playing circuit,
The pin P1.1/TA0 of the pin SS connection MSP430F149 single-chip microcontroller of ISD4004 speech chip, pin MOSI connection
Pin P1.3/TA2, MSP430F149 single-chip microcontroller being transmitted to the data for measuring distance of MSP430F149 single-chip microcontroller
ISD4004 speech chip, pin VCCD, pin XCLK, pin VSSA, pin ANAIN+ and the pin of ISD4004 speech chip
ANAIN- access recording and playing circuit recording part, can typing " 0~9 ", " ten, hundred, thousand ", " millimeter, centimetre, meter ", " distance,
The correlation words such as length " form sound bank and store into the ISD4004 speech chip, the pin of ISD4004 speech chip
ADUOUT accesses the playback part of recording and playing circuit, and ISD4004 speech chip carries out segmentation addressing according to the voice table of comparisons, then
Casting measurement distance and the display measurement distance of the display screen 3.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of Portable measuring pen is used for map distance-measurement, it is characterised in that: including shell, the shell lower end is equipped with groove profile
Optocoupler and shaft, are installed with idler wheel in the shaft, and the idler wheel is circumferentially equipped with several evenly distributed axial wear
Hole, the groove of the slot optical coupling straight down, protrude into the groove and keep a perforation described by the idler wheel top
Slot optical coupling conducting, the outer surface of outer cover are embedded with display screen, are additionally provided with the single-chip microcontroller being sequentially connected electrically, ratio in the shell
Ruler input module and voice broadcast module, slot optical coupling described in the monolithic mechatronics, the voice broadcast module electrical connection
The display screen, the display screen are electrically connected battery, and the idler wheel is described when being punched through the groove when rolling on map
The slot optical coupling is switched on, and is otherwise blocked, and the slot optical coupling generates rising edge and failing edge signal and is transmitted to described
Single-chip microcontroller, the scale bar input module input scale bar, and the single-chip microcontroller counts signal, by counting multiplied by adjacent two
Arc length calculates drawing distance between the perforation, is converted to obtain measurement distance, the voice broadcast module casting according to scale bar
Measurement distance and display screen display measurement distance.
2. a kind of Portable measuring pen as described in claim 1, it is characterised in that: the idler wheel is circumferentially equipped with 20
A equally distributed perforation.
3. a kind of Portable measuring pen as described in claim 1, it is characterised in that: the radius of the idler wheel is less than 1cm.
4. a kind of Portable measuring pen as described in claim 1, it is characterised in that: the single-chip microcontroller is MSP430F149 monolithic
Machine.
5. a kind of Portable measuring pen as described in claim 1, it is characterised in that: the voice broadcast module is by ISD4004
Speech chip and recording and playing circuit composition.
6. a kind of Portable measuring pen as described in claim 1, it is characterised in that: the upper shell is equipped with battery case, institute
State being installed in the battery case for battery-disassembled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820729650.3U CN208254408U (en) | 2018-05-16 | 2018-05-16 | A kind of Portable measuring pen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820729650.3U CN208254408U (en) | 2018-05-16 | 2018-05-16 | A kind of Portable measuring pen |
Publications (1)
Publication Number | Publication Date |
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CN208254408U true CN208254408U (en) | 2018-12-18 |
Family
ID=66480785
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CN201820729650.3U Expired - Fee Related CN208254408U (en) | 2018-05-16 | 2018-05-16 | A kind of Portable measuring pen |
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CN (1) | CN208254408U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108444395A (en) * | 2018-05-16 | 2018-08-24 | 中国地质大学(武汉) | A kind of Portable measuring pen |
-
2018
- 2018-05-16 CN CN201820729650.3U patent/CN208254408U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108444395A (en) * | 2018-05-16 | 2018-08-24 | 中国地质大学(武汉) | A kind of Portable measuring pen |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20190516 |