CN107169391A - A kind of novel hand-held laser reading device based on OCR identification technologies - Google Patents
A kind of novel hand-held laser reading device based on OCR identification technologies Download PDFInfo
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- CN107169391A CN107169391A CN201710343753.6A CN201710343753A CN107169391A CN 107169391 A CN107169391 A CN 107169391A CN 201710343753 A CN201710343753 A CN 201710343753A CN 107169391 A CN107169391 A CN 107169391A
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- ocr
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/142—Image acquisition using hand-held instruments; Constructional details of the instruments
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- Computer Vision & Pattern Recognition (AREA)
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- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of novel hand-held laser reading device based on OCR identification technologies, including hand-held reader and mounting seat；Reader includes shell and OCR identifying devices and laser barcode scanning device in shell, and shell includes head, handle and afterbody；The front end of base is with the preceding holding tank for accommodating case head, and rear end is provided with the rear holding tank for accommodating shell afterbody, rear holding tank and is configured with charging plug；OCR identifying devices include image acquisition units, memory, OCR word recognition units, controller and text-to-speech converting unit.The information read device of the present invention, can be identified to figure and Quick Response Code etc., can need unrestricted choice according to user simultaneously；Also charging system and display mode are optimized for the present apparatus simultaneously so that user can flexibly select shown information, more convenient and smart.
Description
Technical field
The present invention relates to image identification technical field, and in particular to swashs to a kind of novel hand-held based on OCR identification technologies
Optical pickup device.
Background technology
Current majority needs to carry out the place that personnel identity or goods are veritified, general to be confirmed using the method for artificial nucleus couple
Type of personnel identity or goods etc., it is so inefficient, also it can bring uncertainty to result is veritified；Although using people
Veritified as comparing, and the precision that simple portrait is compared is relatively low, it is impossible to meet current relevant department's needs examination holder
The need for identity.
Code reader is a kind of machine for reading bar code information, is a kind of common information read device, and it utilizes transmitting
Go out infrared light sources, then according to the result of reflection, decoded using chip, finally return again to the correct word representated by bar code
Symbol.Barcode scanner is divided into hand held and desktop, and hand held is divided into shield type and laser class again.The light of the laser of shield type
Shu Yueyou 1-2 bars, and desktop is mostly laser class, laser beam is 1-20 bars, and using net distribution, bar number to be swept
Retouch speed faster, therefore as places such as supermarkets requirement that speed uses desktop scanner, handly scanner soon and mostly
Scanning theory, shield type：Several light sources are sent in front end, then receive white line reflects in bar code position and size
To judge data；Laser class：Linear pattern infrared ray, left and right particles bar code are sent in front end, then is received in bar code
The position of white line reflection and size judge data, but current hand-held code reader feature is single, can not meet existing
Life for people is, it is necessary to more service sexual function to expand the use of code reader.
However, code reader of the prior art or the function of information read device are single, it is impossible to suitable for a variety of fields
The utilization of conjunction, for example, can not be used for the scanning to personnel identity and goods simultaneously, its scope of application is under some influence.
The content of the invention
It is an object of the invention to provide a kind of novel hand-held laser reading device based on OCR identification technologies.
For up to above-mentioned purpose, a kind of novel hand-held based on OCR identification technologies is provided in one embodiment of the present of invention
Laser reading device, including hand-held reader and mounting seat；Reader includes shell and the OCR in shell
Identifying device and laser barcode scanning device, shell include head, handle and afterbody；
The front end of base is with the preceding holding tank for accommodating case head, and rear end is provided with the rear holding tank for accommodating shell afterbody, after
Charging plug is configured with holding tank；
OCR identifying devices include：
Image acquisition units, for scanning object formation image；
Memory, for storing the image and prestored information that collect；
OCR word recognition units, are stored in memory for recognizing the text information in image, and by the text information；
Controller, the text information that OCR word recognition units are identified carries out contrast with the prestored information in memory and matched；
Text-to-speech converting unit；The prestored information transducing audio file that controller is matched, and this is pre- by player plays
Deposit information.
It is preferred that, laser barcode scanning device is functionality of laser bar code code reader, and Laser Barcode Scanner includes lasing light emitter, optics
Scanner, optical receiver, optical-electrical converter, signal amplifier and decoder.
It is preferred that, power module is provided with shell, power module includes battery, charging inlet and power supply list
Member；Power control unit include electromagnet, the current controller with electromagnet series connection, the single-chip microcomputer being connected with current controller,
The charging press-key and clock module for accessing the charge control components of battery charging circuit and being connected with single-chip microcomputer；
Charge control components include insulation board, and the accommodation seat on insulation board is arranged on accommodation seat interior and appearance insulation
The metal clips of magnetic strength piece and the arc being arranged on below magnetic strength piece, the lower end of metal clips is provided with electric contact point；
The expansion link periphery of electromagnet is socketed with spring, and top is provided with gearing lever, interlocks lever and is arranged in rotating shaft, interlocks
The other end of lever is provided with magnet；
Battery provides electric energy for electromagnet, the circuit of electromagnet and battery when single-chip microcomputer receives the signal of charging press-key
Connect, electromagnet connects rear telescopic rod retraction extrusion spring and drives gearing lever swing so that magnet is moved to magnetic strength piece
Underface, magnetic strength piece and then causes the circuit of electric contact point and insulation board to connect in the attraction lower compression metal clips of magnet so that
Charging circuit is connected；
Single-chip microcomputer is received after the signal of clock module, control electromagnet power-off, now reply of the expansion link of electromagnet in spring
Overhanging under power, metal clips is reduced by the pressure of magnetic strength piece and then returns back to initial position, and electric contact point leaves charging circuit, fills
Circuit stops charging after disconnecting.
It is preferred that, the afterbody of shell is provided with block handle；
Block is including outer connector and interior connector；Outer connector includes lubricating cavity and the first cavity；Set in lubricating cavity
There is the first spring, take lubricating pad and with punctulate orifice plate with oil；The first spacing preiection and are provided with first cavity
Two spacing preiections, orifice plate is limited on the outside of the first spacing preiection；
Interior connector is arranged in the first cavity, and interior connector is provided with the left chute that coordinates with the first spacing preiection and with the
The right rail that two spacing preiections coordinate；Right rail and the second spacing preiection coordinate stretches out the first cavity for limiting interior connector
Maximum length；
The inside of interior connector, which has in the second cavity, the second cavity, is provided with installing plate and second spring；Interior connector
Outer end is provided with hand hole；
Drive component is provided with lubricating cavity, drive component includes force application board, and it is wedge-shaped that the tail end of force application board, which is provided with lower end,
Follower plate of the upper end for wedge shape is provided with the right side of active plate, active plate；The right-hand member of follower plate is portable plate, follower plate and activity
Plate is installed on slide rail；First spring is connected with portable plate；
The top of force application board extends to outer connection in vitro, and the upper end of force application board has top bar, the top bar and outer connector
The 3rd spring is provided between inwall；The lower end of force application board, which has, gets out of a predicament or an embarrassing situation, and gets out of a predicament or an embarrassing situation and is connected with active plate；
Driving follower plate is moved towards portable plate when force application board extruding active plate is moved down, and follower plate driving portable plate makes to the right
Lubricating pad must be taken to contact with orifice plate；When force application board is moved up by the restoring force effect of the 3rd spring, active plate is driven to moving up
Dynamic, follower plate is moved to the left return in the presence of the first spring.
It is preferred that, tank filler sleeve is provided with outer connector, and be configured with the sealing-plug of closing tank filler sleeve.
It is preferred that, current controller is PMW pulse-width modulators.
It is preferred that, LED is provided with housing, the LED is arranged on the head of shell.
It is preferred that, the inside of accommodation seat has guide chute, and the two ends of magnetic strength piece are configured with and leading that guide chute coordinates
To pin.
It is preferred that, be additionally provided with the touch-screen being connected with controller on housing, touch-screen can also as display or
Display screen, touch-screen is used for the note of display image information, and the method that display is explained is：
A. positioning acquisition to image in need identification note region, operating personnel specify need recognize project it is rough
Position, obtains one or two coordinate points；Edge image is asked to one or two coordinate points, after being expanded, with one
Or two coordinate points are that initial point carries out condition up and down and extended, using apart from initial point marginal point within the specific limits as
Efficient frontier point, is extended, otherwise without extension, obtains a boundary rectangle area for only including the project for needing to recognize
Domain；
B. the project for needing to recognize is recognized by OCR word recognition units, obtains needing the literal code stream of the project of identification,
The project of identification is needed to be located in the note region for needing to recognize；
C. according to literal code stream, the information related to the project for needing to recognize is obtained；By literal code stream in annotating data
The retrieval information related to the project for needing to recognize in storehouse；Including identification number, entry time, remark information etc.；
D. retrieved message in the step C related to the project recognized is shown respectively in the lower section of the image collected.
In summary, the present invention has advantages below：
The information read device of the present invention, figure and Quick Response Code etc. can be identified simultaneously, can be needed certainly according to user
By selecting；Also charging system and display mode are optimized for the present apparatus simultaneously so that user can flexibly select shown
Information, it is more convenient and smart.
Brief description of the drawings
Fig. 1 is the schematic diagram of one embodiment of the invention；
Fig. 2 is the theory diagram of power control unit in one embodiment of the invention；
Fig. 3 is the schematic diagram of charge control components in one embodiment of the invention；
Fig. 4 is the schematic diagram of block handle in one embodiment of the invention.
Wherein, 1, reader；2nd, mounting seat；3rd, head；4th, handle；5th, afterbody；6th, preceding holding tank；7th, rear holding tank；
8th, charging inlet；9th, charging press-key；10th, insulation board；11st, accommodation seat；12nd, magnetic strength piece；13rd, metal clips；14th, electric contact point；15、
Spring；16th, lever is interlocked；17th, magnet；18th, touch-screen；19th, tank filler sleeve；20th, charging circuit；21st, outer connector；22nd, interior company
Junctor；23rd, lubricating cavity；24th, the first cavity；25th, lubricating pad is taken；26th, orifice plate；27th, the first spacing preiection；28th, the second spacing preiection；
29th, left chute；30th, right rail；31st, the second cavity；32nd, installing plate；33rd, hand hole；34th, the first spring；35th, second spring；36、
3rd spring；38th, force application board；39th, active plate；40th, follower plate；41st, portable plate；42nd, slide rail；43rd, top bar.
Embodiment
The invention provides a kind of novel hand-held laser reading device based on OCR identification technologies, including hand-held reading
Device 1 and mounting seat 2；Reader 1 is equivalent to barcode scanning or scanning means, and mounting seat is to be used to deposit in non-working condition
Put reader and the device charged in the appropriate case to battery in reader.Screw can be set in mounting seat
Hole, attachment screw can be installed in wall or anywhere, naturally it is also possible to directly keep flat on the table.Read utensil
There are two sets of independent scannings or identifying system, wherein a set of is OCR identifying devices, another set of is laser scanning device, and this two
Planting identifying device can individually run, and can also be used in conjunction with same processor or single-chip microcomputer.OCR identifying devices can be with
Suitable for the scanning to figure, i.e., the identification of word is carried out to not containing bar code or this kind of specific image of Quick Response Code, led to
Information further needed for processing acquisition user after Text region is crossed, for example, is called in database and believed according to the word content of identification
Breath is shown or speech play.Laser scanning device and existing Quick Response Code barcode scanning gun or the work of bar code code reader are former
Reason is identical, and the present invention is to be fused to the laser scanning device of prior art to realize the work(of laser code reader in itself in reader
Energy.
Reader is hand-held working portion, reader include shell and OCR identifying devices in shell with
And laser barcode scanning device.Laser barcode scanning device is functionality of laser bar code code reader, and Laser Barcode Scanner includes lasing light emitter, optics
Scanner, optical receiver, optical-electrical converter, signal amplifier and decoder.
Shell includes being provided with LED on head 3, handle 4 and afterbody 5, housing, and the LED is arranged on the head of shell
Portion；The image acquisition units of OCR identifying devices can be a camera or camera, its laser with laser barcode scanning device
Source and optics surface sweeping device, optical receiver are arranged at the head of shell, are so easy to the signal of required identification in head position
Put and be scanned or capture image.
Base lower end is flushed, and is so easily installed and is kept flat, and the construction of base upper end is corresponding with the shape of shell, makes
Shell, which is placed on base correspondence position, to be stablized.For example, the front end of base is with the preceding holding tank 6 for accommodating case head, after
End is provided with the rear holding tank 7 for accommodating shell afterbody, rear holding tank and is configured with charging plug, is filled by charging plug
Electricity.
The OCR identifying devices of the present invention include：
Image acquisition units, for scanning object formation image；
Memory, for storing the image and prestored information that collect；
OCR word recognition units, are stored in memory for recognizing the text information in image, and by the text information；
Controller, the text information that OCR word recognition units are identified carries out contrast with the prestored information in memory and matched；
Text-to-speech converting unit；The prestored information transducing audio file that controller is matched, and this is pre- by player plays
Deposit information.
The present invention obtains the image information of scanned object by image acquisition units, such as to employee's certificate or goods
Label is scanned, and obtaining in corresponding image and picture, these pictures is included in the word being pre-designed containing user
Hold, these word contents include the title of employee or the title of goods etc., sundry item, such as place of production, guarantor can also be included
Fresh phase, store method etc..Therefore, the employee name identified or code, the title of goods can be passed through in the matching process
Or code is called prestored information in memory, and then carry out soundplay.
The word content on image is identified by OCR word recognition units after image is obtained, and according to word content
To recognize that the content is represented or corresponding other information.For example when recognizing the name of employee from image, the name pair
The prestored information answered such as date of birth, into company's time, the relevant information such as job titles can be transferred out matching, and matching is completed
These corresponding prestored informations are converted into voice and played out afterwards；User can be so allowed to be directly acquainted with the situation of employee.
It is less efficient because the broadcasting speed of voice is preferential, be not suitable for playing substantial amounts of information, therefore in order to allow user can
To manually select the more information for needing to check, first the annotating information of the details of employee or goods can be prestored
In memory, also as another prestored information, this kind of prestored information can not be played out by voice, but user
Shown according to actual needs, this needs to configure touch-screen 18 on housing, is shown using display in the image information
Word content is corresponding to be explained.
Therefore, the touch-screen being connected with controller is additionally provided with housing of the invention, touch-screen is believed for display image
Breath is corresponding to be explained, and the method that display is explained is：
A. positioning acquisition to image in need the note region of identification, include multiple projects that can be recognized in image；Often
Individual project can individually embark on journey；For example when scanning be cargo mark board when, show over the display on the image of scanning, image
Project can be word content on sign board, these projects include the place of production, freshness date, store method etc., and project can be pre-
First on printing sign board.
Operating personnel specify the rough position for the project for needing to recognize, obtain one or two coordinate points；To one or
Two coordinate points of person seek edge image, after being expanded, and bar up and down is carried out by initial point of one or two coordinate points
Part extends, as efficient frontier point, to be extended apart from initial point marginal point within the specific limits, otherwise without extending,
Obtain a circumscribed rectangular region for only including the project for needing to recognize；
Specifically, when the image shot is shown on touch screen interface, user specifies the project for needing to recognize by interactive operation
Rough position, by this step, we obtain next coordinate information in image.Interactive mode is such as：Square can be clicked on finger
Any point in shape, we can obtain a coordinate points in user's click on area；One can also be drawn and include project
Rectangle frame, we can obtain two coordinate points in user designated area.
When user mutual, may not be directly targeted to needs the exact position of processing item, is when most of
Provide one or two coordinate points.We are by these coordinate points, and intelligently navigating to needs project character zone to be processed.
So that user gives a coordinate points as an example, edge image is first sought, is then expanded, then carried out by initial point of the coordinate
The extension of lower left and right condition, that is, the marginal point of distance within the specific limits is efficient frontier point, is extended, otherwise without
Extension, is obtained in a circumscribed rectangular region for only including the project for needing to recognize, the item area for as needing identification.
B. the project for needing to recognize is recognized by OCR word recognition units, obtains needing the literal code of the project of identification
Stream is, it is necessary to which the project of identification is located in the note region for needing to recognize；
C. according to literal code stream, the information related to the project for needing to recognize is obtained；By literal code stream in annotating data
The retrieval information related to the project for needing to recognize in storehouse；Including identification number, entry time, remark information etc.；
D. retrieved message in the step C related to the project recognized is shown respectively in the lower section of the image collected.
The information that is shown by speech play and display screen of the present invention be it is different types of, specifically：Speech play it is interior
Appearance is a part of content of prestored information, and the annotating information shown on a display screen is another part content in prestored information.
By taking shipment identifier card as an example：Description of Goods, coding, the place of production, freshness date, preservation side are printed with shipment identifier card or Sign Board
The information such as method, these classifications can be as the project in the present invention.
The corresponding information of the goods is retrieved come match query by goods coding wherein in speech play, and will be corresponding
This part prestored information is played out by voice.The content of broadcasting can also include the brief introduction of each project on sign board, broadcast
Content is put to customize in advance.
It is to directly display all items that sign board photographs are arrived when wherein being shown on a display screen, when user specifies
Select after some project, then the corresponding annotating information of the project is recalled out of memory, these annotating informations are over the display
It has been shown that, annotating information is retrieved message in step C.
The present invention additionally uses a kind of new charging modes, this mode can avoid battery after filling still with city
Electrical connection, causes the injury of battery in itself.The present invention makes it be controlled in the charging interval, no by optimizing charging circuit
Can be because staff forgets and causes the problem of long-time charges.
Specifically, be provided with power module in the shell of the present invention, power module include battery, charging inlet 8 and
Power control unit；Battery can power for whole reading device, and charging inlet coordinates with the charging plug in mounting seat.
Power control unit includes electromagnet, the current controller connected with electromagnet, the list being connected with current controller
Piece machine, the charge control components for accessing battery charging circuit and the charging press-key 9 and clock module that are connected with single-chip microcomputer.Electricity
Stream controller is PMW pulse-width modulators, and the control for realizing input electromagnet current size can be coordinated with single-chip microcomputer.
Charge control components include insulation board 10, and the accommodation seat 11 on insulation board is arranged in accommodation seat and outer
The magnetic strength piece 12 of table insulation and the metal clips 13 for the arc being arranged on below magnetic strength piece, the lower end of metal clips is provided with electricity
Contact 14.The concatenation insulation board of charging circuit 20 of battery, charging circuit is connected to the gap on insulation board with one fixed width,
So charging circuit is caused to form open circuit.When electric contact point moves down into this interval, circuit then forms path.
The expansion link periphery of electromagnet is socketed with spring 15, and top is provided with gearing lever 16, and gearing lever, which is arranged on, to be turned
On axle, the other end for interlocking lever is provided with magnet 17.In order that the expansion link of electromagnet can freely drive gearing lever to turn
It is dynamic, a motion bar can be configured therebetween, and the two ends of motion bar rotatably connect with expansion link and gearing lever respectively
Connect；One can also be used to play muscle connection, expansion link elongates bullet muscle when flexible.
Battery provides electric energy for electromagnet, electromagnet and battery when single-chip microcomputer receives the signal of charging press-key
Circuit is connected, and electromagnet connects rear telescopic rod retraction extrusion spring and drives gearing lever swing so that magnet is moved to magnetic strength
The underface of piece, magnetic strength piece and then causes the circuit of electric contact point and insulation board to connect in the attraction lower compression metal clips of magnet,
So that charging circuit is connected；
Single-chip microcomputer is received after the signal of clock module, control electromagnet power-off, now reply of the expansion link of electromagnet in spring
Overhanging under power, metal clips is reduced by the pressure of magnetic strength piece and then returns back to initial position, and electric contact point leaves charging circuit, fills
Circuit stops charging after disconnecting.
As can be seen here, after user presses charging press-key first in charging, charging circuit formation path, in the timing of charging one
Between after, electromagnet power-off cause charging circuit to disconnect, and then charge terminate；It is electrically connected always with city this makes it possible to avoid battery
Connect.The time of charging can be pre-designed, typically more suitable within 3 hours of setting.Preset time is reached between when charging
Electromagnet disconnects afterwards, when controller, which receives charging press-key, to be pressed again, then carries out the charging of the second wheel, now timing mould
Block reclocking, reaches disconnected after preset time again.
Meanwhile, the present invention has in the inside of accommodation seat and led in order that magnetic strength piece that it() can be more smooth when moving up and down
To chute, the two ends of magnetic strength piece are configured with the guiding pin coordinated with guide chute, and the material of the present invention preferably magnetic strength piece is iron.
In order to be easy to when hand-held afterbody to be easier to hold without departing from setting a block in the afterbody of shell
Installation can stretch out when necessary, so that the hand rear end of user has a catch, so that will not skating.
Block is including outer connector 21 and interior connector 22；Outer connector includes the cavity 24 of lubricating cavity 23 and first；
The first spring 34 is provided with lubricating cavity, lubricating pad 25 is taken and with punctulate orifice plate 26 with oil；It is provided with first cavity
First spacing preiection 27 and the second spacing preiection 28, orifice plate are limited on the outside of the first spacing preiection；
Interior connector is arranged in the first cavity, interior connector be provided with the first spacing preiection coordinate left chute 29 and with
The right rail 30 that second spacing preiection coordinates；Right rail and the second spacing preiection coordinate stretches out the first sky for limiting interior connector
The maximum length of chamber；
The inside of interior connector, which has in the second cavity 31, the second cavity, is provided with installing plate 32 and second spring 35；Interior company
The outer end of junctor is provided with hand hole 33；Hand hole is easy to user's force more to facilitate.
Drive component is provided with lubricating cavity, drive component includes force application board, and the tail end of force application board is provided with lower end for wedge
Follower plate of the upper end for wedge shape is provided with the right side of the active plate of shape, active plate；The right-hand member of follower plate be portable plate, follower plate and
Portable plate is installed on slide rail 42；First spring is connected with portable plate；
The top of force application board extends to outer connection in vitro, and the upper end of force application board 38 has top bar 43, the top bar and outer connection
The 3rd spring 36 is provided between the inwall of body；The lower end of force application board, which has, gets out of a predicament or an embarrassing situation, and gets out of a predicament or an embarrassing situation and is connected with active plate；
Driving follower plate 40 is moved towards portable plate 41 when force application board extruding active plate 39 is moved down, follower plate driving portable plate
Contacted so that taking lubricating pad with orifice plate to the right；When force application board is moved up by the restoring force effect of the 3rd spring, active plate is driven
Move up, follower plate is moved to the left return in the presence of the first spring.
In the optimal enforcement example of the present invention, tank filler sleeve 19 is provided with outer connector, and be configured with the close of closing tank filler sleeve
Blocking, it is therefore desirable to tank filler sleeve is equally opened up on shell, and is sealed using sealing-plug.The present invention takes the lubrication infiltrated on lubricating pad
Oil is abrasion-proof lubricant oil, and its component is：50 parts ~ 100 parts of base oil, 3 parts ~ 5 parts of diethyl phosphite；2 parts of dibutyl phosphite ~
5 parts, 2 parts ~ 5 parts of ethylhexyl dihydrogen phosphate, 1 part ~ 2 parts of diethyl sebacate；2 parts ~ 5 parts of methyl laurate, trihydroxy methyl third
2 parts ~ 5 parts of alkane three (2- mercaptoacetates).The wearability of above-mentioned lubricating oil is more preferable than the lubricating oil of prior art, by wear-resisting
Experiment is found, adds trimethylolpropane tris (2- mercaptoacetates), methyl laurate and diethyl sebacate to lubricating oil
Anti-wear performance has certain lifting, such as in 50 parts ~ 100 parts of base oil, 3 parts ~ 5 parts of diethyl phosphite；Dibutyl phosphite 2
Trimethylolpropane tris (2- mercaptoacetates) is individually added into part ~ 5 parts, the lubricating oil of 2 parts ~ 5 parts of ethylhexyl dihydrogen phosphate
Wearability improves 12% or so, is individually added into methyl laurate wearability and improves 5% or so, is individually added into diethyl sebacate wear-resisting
Property improve 8% or so, base oil can use paraffine base crude oil.
Generally, installing plate can be allowed to retract when not needing barcode scanning, outer connector is nested in inside shell tail end
Realize and fix.Interior connector is pulled out by hand hole when needing barcode scanning, now second spring drive installation plate emits upwards
Go out the second cavity, installing plate may be at vertical with shell body, just can so allow the hand rear end of user to form screens so as to use
Family is difficult when hand-held to slide.
Further, since interior connector needs good lubrication to be easy to slide in outer connector, therefore needing
When being lubricated, force application board can be pressed so that the lubricating oil for taking lubricating pad is squeezed out and enters orifice plate, then flow into connect
It is lubricated at body left end.Unclamped after lubrication is finished, then active plate, follower plate etc. can be with self-returns, and the present invention passes through certainly
The mode of dynamic lubrication is more brisk sensitive when to use.
Claims (8)
1. a kind of novel hand-held laser reading device based on OCR identification technologies, it is characterised in that：Including hand-held reader with
And mounting seat；The reader includes shell and OCR identifying devices and laser barcode scanning device in shell, institute
Stating shell includes head, handle and afterbody；
The front end of the base is with the preceding holding tank for accommodating case head, and rear end is provided with the rear receiving for accommodating shell afterbody
Charging plug is configured with groove, the rear holding tank；
The OCR identifying devices include：
Image acquisition units, for scanning object formation image；
Memory, for storing the image and prestored information that collect；
OCR word recognition units, are stored in memory for recognizing the text information in image, and by the text information；
Controller, the text information that OCR word recognition units are identified carries out contrast with the prestored information in memory and matched；
Text-to-speech converting unit；The prestored information transducing audio file that controller is matched, and this is pre- by player plays
Deposit information.
2. the novel hand-held laser reading device as claimed in claim 1 based on OCR identification technologies, it is characterised in that：It is described
Laser barcode scanning device is functionality of laser bar code code reader, and the Laser Barcode Scanner includes lasing light emitter, optical scanner, optics
Receiver, optical-electrical converter, signal amplifier and decoder.
3. the novel hand-held laser reading device as claimed in claim 1 based on OCR identification technologies, it is characterised in that：It is described
Power module is provided with shell, the power module includes battery, charging inlet and power control unit；The power supply
Control unit includes electromagnet, the current controller connected with electromagnet, the single-chip microcomputer being connected with current controller, access electric power storage
The charge control components of pond charging circuit and the charging press-key and clock module being connected with single-chip microcomputer；
The charge control components include insulation board, and the accommodation seat on insulation board is arranged in accommodation seat and appearance is exhausted
The magnetic strength piece of edge and the metal clips for the arc being arranged on below magnetic strength piece, the lower end of the metal clips are provided with electricity and touched
Piece；
The expansion link periphery of the electromagnet is socketed with spring, and top is provided with gearing lever, and the gearing lever, which is arranged on, to be turned
On axle, the other end for interlocking lever is provided with magnet；
The battery provides electric energy for electromagnet, electromagnet and battery when single-chip microcomputer receives the signal of charging press-key
Circuit is connected, and electromagnet connects rear telescopic rod retraction extrusion spring and drives gearing lever swing so that magnet is moved to magnetic strength
The underface of piece, the magnetic strength piece and then causes the circuit of electric contact point and insulation board in the attraction lower compression metal clips of magnet
Connection so that charging circuit is connected；
The single-chip microcomputer is received after the signal of clock module, control electromagnet power-off, and now the expansion link of electromagnet is in spring
Overhanging under restoring force, metal clips is reduced by the pressure of magnetic strength piece and then returns back to initial position, and electric contact point leaves charging electricity
Road, charging circuit stops charging after disconnecting.
4. the novel hand-held laser reading device as claimed in claim 1 based on OCR identification technologies, it is characterised in that：It is described
The afterbody of shell is provided with block handle；
The block is including outer connector and interior connector；Outer connector includes lubricating cavity and the first cavity；In lubricating cavity
It is provided with the first spring, takes lubricating pad and with punctulate orifice plate with oil；Be provided with first cavity the first spacing preiection with
And second spacing preiection, orifice plate is limited on the outside of the first spacing preiection；
Interior connector is arranged in the first cavity, and interior connector is provided with the left chute that coordinates with the first spacing preiection and with the
The right rail that two spacing preiections coordinate；Right rail and the second spacing preiection coordinate stretches out the first cavity for limiting interior connector
Maximum length；
The inside of interior connector, which has in the second cavity, the second cavity, is provided with installing plate and second spring；Interior connector
Outer end is provided with hand hole；
Drive component is provided with the lubricating cavity, the drive component includes force application board, and the tail end of force application board is provided with lower end
For the active plate of wedge shape, follower plate of the upper end for wedge shape is provided with the right side of active plate；The right-hand member of the follower plate is portable plate,
Follower plate and portable plate are installed on slide rail；First spring is connected with portable plate；
The top of the force application board extends to outer connection in vitro, and the upper end of force application board has top bar, the top bar and outer connection
The 3rd spring is provided between the inwall of body；The lower end of the force application board, which has, gets out of a predicament or an embarrassing situation, and gets out of a predicament or an embarrassing situation and is connected with active plate；
Driving follower plate is moved towards portable plate when force application board extruding active plate is moved down, follower plate drive portable plate to
The right side make it that take lubricating pad contacts with orifice plate；When force application board by the 3rd spring restoring force effect move up when, drive active plate to
Upper movement, follower plate is moved to the left return in the presence of the first spring.
5. the novel hand-held laser reading device as claimed in claim 4 based on OCR identification technologies, it is characterised in that：It is described
Tank filler sleeve is provided with outer connector, and is configured with the sealing-plug of closing tank filler sleeve.
6. the novel hand-held laser reading device as claimed in claim 3 based on OCR identification technologies, it is characterised in that：It is described
Current controller is PMW pulse-width modulators.
7. the novel hand-held laser reading device as claimed in claim 1 based on OCR identification technologies, it is characterised in that：It is described
LED is provided with housing, the LED is arranged on the head of shell.
8. the novel hand-held laser reading device as claimed in claim 3 based on OCR identification technologies, it is characterised in that：It is described
The inside of accommodation seat has guide chute, and the two ends of the magnetic strength piece are configured with the guiding pin coordinated with guide chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710343753.6A CN107169391B (en) | 2017-05-16 | 2017-05-16 | Novel handheld laser reading device based on OCR recognition technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343753.6A CN107169391B (en) | 2017-05-16 | 2017-05-16 | Novel handheld laser reading device based on OCR recognition technology |
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| CN107169391A true CN107169391A (en) | 2017-09-15 |
| CN107169391B CN107169391B (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Publication date |
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| CN107169391B (en) | 2020-08-11 |
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