CN208780230U - It is a kind of can electronical reading percentage list index and its dial plate - Google Patents
It is a kind of can electronical reading percentage list index and its dial plate Download PDFInfo
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- CN208780230U CN208780230U CN201821765648.8U CN201821765648U CN208780230U CN 208780230 U CN208780230 U CN 208780230U CN 201821765648 U CN201821765648 U CN 201821765648U CN 208780230 U CN208780230 U CN 208780230U
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- pointer
- dial plate
- sensor devices
- reading
- narrow slit
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Abstract
The utility model discloses it is a kind of can electronical reading percentage list index and its dial plate, the rectangular crotch-shaped of pointer side apparent time, 2 sensor devices are installed in the positive side of the close dial plate of pointer, 1 laser device is installed in the reverse side of the close dial plate of pointer.Equally distributed radial accurate narrow slit is carved with along outer rim on the dial plate.The effect of blocking of the characteristics of due to 2 sensor devices installation sites and narrow slit, when pointer rotates, the luminous intensity that 2 sensor devices receive is in regular variation.Data processing system identifies and counts intensity variation timing and change frequency received by 2 sensor devices, the quantity for the narrow slit that the direction of rotation and pointer for calculating pointer are passed through when rotating, to obtain pointer location of reading indicated at present, the reading of dial gauge is obtained, while setting reads window to realize the artificial reading of auxiliary on pointer.
Description
Technical field
The utility model belongs to project data monitoring field, and in particular to it is a kind of can electronical reading percentage list index and its
Matching used dial plate.
Background technique
Dial gauge is a kind of very important measurement instrument, is a kind of geomery and change in displacement for measuring object
The tool of equal mechanical measurements, such as circularity, straightness, can also be used in measurement of the field of civil engineering for malformation.
Common dial gauge is mainly made of 3 components: table body portion, transmission system and reading plotter.Reading plotter master
It include pointer and dial plate.Dial gauge is to amplify the small linear movement of measuring staff caused by measured size by gear drive,
Become rotation of the pointer on dial plate, to read the size of measured size.Dial gauge needs preparatory reading pointer in reading
Position, after being rotated to pointer, the graduation mark turned over by estimating reading pointer, and multiplied by 0.01, it can arrive and be surveyed
The numerical value of amount.
Common dial gauge needs engineering staff continuously to carry out reading operation in continuous measurement, it is time-consuming simultaneously
And reading efficiency is low, the problems such as being easy to appear digital read error, misregistration, and read access time interval is uncertain, it cannot
Reach the requirement that timing is read.Have on the market at present it is some it is novel can be with the dial gauge of electronical reading by measuring measuring staff
Displacement is moved up and down to realize numerical value automatic measurement, does not amplify displacement by micrometer enlarger,
Precision determines by dial gauge measuring staff machining accuracy completely, when it is internal there was a mechanical failure or mismachining tolerance when, can not be effective
It intuitively embodies, certain numerical fault hidden danger is carried out to engineering staff's sensing tape.
Summary of the invention
The purpose of this utility model is to provide it is a kind of can electronical reading percentage list index and its dial plate, for realizing hundred
Divide the automation of meter reading process, and manually reading and electronical reading may be implemented while carrying out, improves data order of accuarcy.
Realize that the technical solution of the utility model is to devise a kind of pointer (102) form of special dial gauge, this refers to
Rectangular crotch-shaped when needle (102) side view, the long side of pointer (102) are located on dial plate (101), are fixed on dial gauge center
It can rotate together in shaft and with shaft.2 sensor devices are installed in the positive side of the close dial plate (101) of pointer (102),
Respectively sensor devices A(106) and sensor devices B(107), the line of the two installation site is perpendicular to pointer (102).Photoreceptor
Part A(106) and sensor devices B(107) centre distance be that (wherein N is greater than zero by (1+0.75N) times of narrow slit (103) width
Natural number).1 laser device (105) is installed in the side at close dial plate (101) back side of pointer (102).In dial plate
(101) it is carved with equally distributed radial accurate narrow slit (103) along dial plate (101) outer rim on, the width of narrow slit (103) is equal to
Gap between two adjacent narrow slits (103), and less than 0.1 times of dial gauge minimum scale.When pointer (102) rotate,
The laser for laser device (105) transmitting installed on pointer (102) can be irradiated to sense through the narrow slit (103) on dial plate (101)
Optical device A(106) and sensor devices B(107) on.Due to 2 sensor devices (106), (107) installation site the characteristics of and it is narrow
The effect of blocking for stitching (103), when pointer (102) rotates, luminous intensity that 2 sensor devices (106), (107) receive
In the variation of regularity.Intensity information is converted into electric signal by 2 sensor devices (106), (107), and signal recognition circuit will
Electric signal processing is simultaneously exported to data processing system, and data processing system identifies and counts 2 sensor devices (106), (107) institute
When the intensity variation timing and change frequency that receive and the direction of rotation for calculating pointer (102) and pointer (102) rotate
The quantity of the narrow slit (103) passed through, so that pointer (102) position indicated at present be calculated.Data processing system simultaneously
System provides the data exchange interface with host computer, and pointer (102) position indicated at present is transmitted in a manner of data communication
To host computer, for reading and recording.Reading window (108) is set on pointer (102) simultaneously to realize artificial reading and electricity
Son read into ratio, reduce mistake occur a possibility that.
The utility model compared with prior art, remarkable advantage are as follows:
(1) the utility model combines the characteristics of mechanical dial gauge, devise it is a kind of can electronical reading percentage list index
And its dial plate, it can be under the premise of realizing existing mechanical dial gauge advantage, while realizing the complete of dial gauge reading process
It is full-automatic.Labour expenses can not only be saved with round-the-clock running, also can be reduced because of artificial reading and record bring data
Error or mistake；
(2) the utility model breaches the design form of existing digital display centimeter on the market, from dial plate, utilizes table
Critical component of the disk as percentage meter reading reduces dependence of the digital display centimeter to measuring staff machining accuracy, improves measurement accuracy
With the data stability in measurement process；
(3) the utility model can replace original dial gauge normal clock face, easily realize the electronics of percentage meter reading
Change and automation, still remain the function of visible reading at the same time, user can mode reading numerical values by visual observation, inspection
The accuracy for looking into dial gauge electronical reading, a possibility that reducing dial gauge electronical reading error in data, especially suitable for some
It realizes and electronic can read for the dial gauge of specialized engineering customization.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of the utility model dial plate (101) and its associated components.
Fig. 2 is the operation schematic diagram of the utility model.
Fig. 3 is signal timing diagram when pointer (102) rotates clockwise in the utility model.
Fig. 4 is signal timing diagram when pointer (102) rotates counterclockwise in the utility model.
Wherein, the title of each code name institute finger are as follows: dial plate (101), pointer (102), narrow slit (103), scale (104),
Laser device (105), sensor devices A(106), sensor devices B(107), reading window (108).
Specific embodiment
In conjunction with Fig. 1, it is a kind of can electronical reading percentage list index and its dial plate comprising: dial plate (101), pointer
(102), narrow slit (103), scale (104), laser device (105), sensor devices A(106), sensor devices B(107) and reading window
Mouth (108).
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, it is a kind of can electronical reading percentage list index and its dial plate, work as the utility model
When middle pointer (102) rotates clockwise, narrow slit (103) on dial plate (101) and laser device pointer (102) and installed thereon
(105), sensor devices A(106) and sensor devices B(107) relative motion occurs, narrow slit (103) and dial plate are presented as in Fig. 2
(101) laser device (105), the sensor devices A(106 installed relative to pointer (102) and thereon) and sensor devices B(107)
It moves right.Due to sensor devices A(106) and sensor devices B(107) mounting distance be narrow slit (103) width (1+
0.75N) times (wherein N is the natural number greater than zero), is hidden by laser a part that laser device (105) occur by dial plate (101)
Block, a part pass through narrow slit (103) be irradiated to sensor devices A(106) and sensor devices B(107) on, received by light
Intensity is with the curve of pointer (102) rotation angle change as shown in intensity variation figure in Fig. 3, and wherein horizontal axis is rotation angle,
The longitudinal axis is the luminous intensity received.The light intensity that signal recognition circuit receives sensor devices A(106) and sensor devices B(107)
Degree signal be converted into the square-wave signal as shown in signal output figure in Fig. 3, and sensor devices B(107) generate square-wave signal
The advanced sensor devices A(106 of waveform) generate square-wave signal 1/4 phase of waveform.Similarly, when the utility model middle finger
When needle (102) rotates counterclockwise, light intensity that signal recognition circuit receives sensor devices A(106) and sensor devices B(107)
Degree signal is converted into the square-wave signal as shown in Fig. 4 signal output figure, and sensor devices B(107) square-wave signal that generates
Waveform fall behind sensor devices A(106) generate square-wave signal 1/4 phase of waveform.
In conjunction with Fig. 2, data processing system receives two with the phase difference group square wave that signal recognition circuit transmission comes
Signal identifies direction of rotation of the pointer (102) relative to dial plate (101), and records received signal pulse quantity.Cause
The quantity and distance for the equally distributed radial accurate narrow slit (103) being carved on dial plate (101) along outer rim be it is fixed, because
This data processing system is rotated clockwise direction and is counted as pulse and increased by statistical signal number of pulses using pointer (102)
Direction, using pointer (102), as pulse statistics reduction direction, final statistical data is pointer (102) for direction of rotation counterclockwise
The quantity of narrow slit (103) experienced when rotation passes through and calculates available pointer (102) numerical value indicated at this time.Data
Data exchange interface in processing system can connect host computer by communication cable, enable host computer by communication cable from
Numerical value indicated by dynamic reading pointer (102).
Meanwhile in conjunction with Fig. 1, user can check dial plate by reading window (108) set on pointer (102)
(101) scale (104), reads numerical value indicated by pointer (102).
The basic principles and main features of the utility model have been shown and described in above embodiments.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (5)
1. one kind can electronical reading percentage list index and its dial plate, which is characterized in that including dial plate (101), pointer (102),
Narrow slit (103), scale (104), laser device (105), sensor devices A(106), sensor devices B(107) and reading window
(108)；
Sensor devices A(106 is mounted with close to dial plate (101) positive side on the pointer (102)) and sensor devices B
(107), the reverse side on pointer (102) close to dial plate (101) installs 1 laser device (105), and pointer (102)
On be provided with reading window (108), have scale (104) on the dial plate (101), dial plate is carved with uniformly on (101) along outer rim
The radial accurate narrow slit (103) of distribution.
2. one kind according to claim 1 can electronical reading percentage list index and its dial plate, which is characterized in that the finger
Needle (102) rectangular crotch-shaped, crotch long side are located on dial plate (101), are fixed on the central rotating shaft of dial gauge and can
It is rotated together with shaft.
3. one kind according to claim 1 can electronical reading percentage list index and its dial plate, which is characterized in that it is described
Sensor devices A(106) and sensor devices B(107) installation site line perpendicular to pointer (102), and the two center it
Between distance be narrow slit (103) width (1+0.75N) times (wherein N is the natural number greater than zero).
4. one kind according to claim 1 can electronical reading percentage list index and its dial plate, which is characterized in that it is described
Radial precision narrow slit (103), width, which is equal to the gap between two adjacent narrow slits (103) and is less than dial gauge minimum, to be carved
0.1 times of degree.
5. one kind according to claim 1 can electronical reading percentage list index and its dial plate, which is characterized in that it is described
Laser device (105) swashs through the narrow slit (103) on dial plate (101) to sensor devices A(106) and sensor devices B(107) transmitting
Light, when pointer (102) rotates, sensor devices A(106) and sensor devices B(107) received by laser signal intensity
It is related and regularly changing with the rotation angle of pointer (102) and direction of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821765648.8U CN208780230U (en) | 2018-10-29 | 2018-10-29 | It is a kind of can electronical reading percentage list index and its dial plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821765648.8U CN208780230U (en) | 2018-10-29 | 2018-10-29 | It is a kind of can electronical reading percentage list index and its dial plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208780230U true CN208780230U (en) | 2019-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821765648.8U Expired - Fee Related CN208780230U (en) | 2018-10-29 | 2018-10-29 | It is a kind of can electronical reading percentage list index and its dial plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208780230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238334A (en) * | 2018-10-29 | 2019-01-18 | 邵凤影 | It is a kind of can electronical reading percentage list index and its dial plate |
-
2018
- 2018-10-29 CN CN201821765648.8U patent/CN208780230U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238334A (en) * | 2018-10-29 | 2019-01-18 | 邵凤影 | It is a kind of can electronical reading percentage list index and its dial plate |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20191029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |